diff --git a/modules/core/include/opencv2/core/hal/intrin_rvv_scalable.hpp b/modules/core/include/opencv2/core/hal/intrin_rvv_scalable.hpp
index 7628816605..33bd4acc67 100644
--- a/modules/core/include/opencv2/core/hal/intrin_rvv_scalable.hpp
+++ b/modules/core/include/opencv2/core/hal/intrin_rvv_scalable.hpp
@@ -37,21 +37,21 @@ CV_CPU_OPTIMIZATION_HAL_NAMESPACE_BEGIN
 #endif
 
 
-using v_uint8 = vuint8m1_t;
-using v_int8 = vint8m1_t;
-using v_uint16 = vuint16m1_t;
-using v_int16 = vint16m1_t;
-using v_uint32 = vuint32m1_t;
-using v_int32 = vint32m1_t;
-using v_uint64 = vuint64m1_t;
-using v_int64 = vint64m1_t;
+using v_uint8 = vuint8m2_t;
+using v_int8 = vint8m2_t;
+using v_uint16 = vuint16m2_t;
+using v_int16 = vint16m2_t;
+using v_uint32 = vuint32m2_t;
+using v_int32 = vint32m2_t;
+using v_uint64 = vuint64m2_t;
+using v_int64 = vint64m2_t;
 
 #if CV_SIMD_SCALABLE_FP16
-using v_float16 = vfloat16m1_t;
+using v_float16 = vfloat16m2_t;
 #endif
-using v_float32 = vfloat32m1_t;
+using v_float32 = vfloat32m2_t;
 #if CV_SIMD_SCALABLE_64F
-using v_float64 = vfloat64m1_t;
+using v_float64 = vfloat64m2_t;
 #endif
 
 using uchar = unsigned char;
@@ -177,11 +177,11 @@ inline double v_get0(const v_float64& v) \
 #define OPENCV_HAL_IMPL_RVV_INIT_INTEGER(_Tpvec, _Tp, suffix1, suffix2, vl) \
 inline v_##_Tpvec v_setzero_##suffix1() \
 { \
-    return __riscv_vmv_v_x_##suffix2##m1(0, vl); \
+    return __riscv_vmv_v_x_##suffix2##m2(0, vl); \
 } \
 inline v_##_Tpvec v_setall_##suffix1(_Tp v) \
 { \
-    return __riscv_vmv_v_x_##suffix2##m1(v, vl); \
+    return __riscv_vmv_v_x_##suffix2##m2(v, vl); \
 } \
 template <> inline v_##_Tpvec v_setzero_() \
 { \
@@ -204,11 +204,11 @@ OPENCV_HAL_IMPL_RVV_INIT_INTEGER(int64, int64, s64, i64, VTraits<v_int64>::vlane
 #define OPENCV_HAL_IMPL_RVV_INIT_FP(_Tpv, _Tp, suffix, vl) \
 inline v_##_Tpv v_setzero_##suffix() \
 { \
-    return __riscv_vfmv_v_f_##suffix##m1(0, vl); \
+    return __riscv_vfmv_v_f_##suffix##m2(0, vl); \
 } \
 inline v_##_Tpv v_setall_##suffix(_Tp v) \
 { \
-    return __riscv_vfmv_v_f_##suffix##m1(v, vl); \
+    return __riscv_vfmv_v_f_##suffix##m2(v, vl); \
 } \
 template <> inline v_##_Tpv v_setzero_() \
 { \
@@ -222,15 +222,23 @@ template <> inline v_##_Tpv v_setall_(_Tp v) \
 #if CV_SIMD_SCALABLE_FP16
 inline v_float16 v_setzero_f16()
 {
-    return __riscv_vfmv_v_f_f16m1(0, VTraits<v_float16>::vlanes());
+    return __riscv_vfmv_v_f_f16m2(0, VTraits<v_float16>::vlanes());
 }
 inline v_float16 v_setall_f16(float v) // In some cases we may use v_setall_f16(1.0f)
 {
-    return __riscv_vfmv_v_f_f16m1((_Float16)v, VTraits<v_float16>::vlanes());
+    return __riscv_vfmv_v_f_f16m2((_Float16)v, VTraits<v_float16>::vlanes());
 }
 inline v_float16 v_setall_f16(hfloat v)
 {
-    return __riscv_vfmv_v_f_f16m1((_Float16)v, VTraits<v_float16>::vlanes());
+    return __riscv_vfmv_v_f_f16m2((_Float16)v, VTraits<v_float16>::vlanes());
+}
+template <> inline v_float16 v_setzero_() \
+{ \
+    return v_setzero_f16(); \
+} \
+template <> inline v_float16 v_setall_(hfloat v) \
+{ \
+    return v_setall_f16(v); \
 }
 #endif
 OPENCV_HAL_IMPL_RVV_INIT_FP(float32, float, f32, VTraits<v_float32>::vlanes())
@@ -263,11 +271,11 @@ OPENCV_HAL_IMPL_RVV_NOTHING_REINTERPRET(float64, f64)
 #define OPENCV_HAL_IMPL_RVV_NATIVE_REINTERPRET(_Tpvec1, _Tpvec2, suffix1, suffix2, nsuffix1, nsuffix2) \
 inline v_##_Tpvec1 v_reinterpret_as_##suffix1(const v_##_Tpvec2& v) \
 { \
-    return v_##_Tpvec1(__riscv_vreinterpret_v_##nsuffix2##m1_##nsuffix1##m1(v));\
+    return v_##_Tpvec1(__riscv_vreinterpret_v_##nsuffix2##m2_##nsuffix1##m2(v));\
 } \
 inline v_##_Tpvec2 v_reinterpret_as_##suffix2(const v_##_Tpvec1& v) \
 { \
-    return v_##_Tpvec2(__riscv_vreinterpret_v_##nsuffix1##m1_##nsuffix2##m1(v));\
+    return v_##_Tpvec2(__riscv_vreinterpret_v_##nsuffix1##m2_##nsuffix2##m2(v));\
 }
 
 OPENCV_HAL_IMPL_RVV_NATIVE_REINTERPRET(uint8, int8, u8, s8, u8, i8)
@@ -301,11 +309,11 @@ OPENCV_HAL_IMPL_RVV_NATIVE_REINTERPRET(int32, int64, s32, s64, i32, i64)
 #define OPENCV_HAL_IMPL_RVV_TWO_TIMES_REINTERPRET(_Tpvec1, _Tpvec2, suffix1, suffix2, nsuffix1, nsuffix2, width1, width2) \
 inline v_##_Tpvec1 v_reinterpret_as_##suffix1(const v_##_Tpvec2& v) \
 { \
-    return __riscv_vreinterpret_v_##nsuffix1##width2##m1_##nsuffix1##width1##m1(__riscv_vreinterpret_v_##nsuffix2##width2##m1_##nsuffix1##width2##m1(v));\
+    return __riscv_vreinterpret_v_##nsuffix1##width2##m2_##nsuffix1##width1##m2(__riscv_vreinterpret_v_##nsuffix2##width2##m2_##nsuffix1##width2##m2(v));\
 } \
 inline v_##_Tpvec2 v_reinterpret_as_##suffix2(const v_##_Tpvec1& v) \
 { \
-    return __riscv_vreinterpret_v_##nsuffix1##width2##m1_##nsuffix2##width2##m1(__riscv_vreinterpret_v_##nsuffix1##width1##m1_##nsuffix1##width2##m1(v));\
+    return __riscv_vreinterpret_v_##nsuffix1##width2##m2_##nsuffix2##width2##m2(__riscv_vreinterpret_v_##nsuffix1##width1##m2_##nsuffix1##width2##m2(v));\
 }
 
 OPENCV_HAL_IMPL_RVV_TWO_TIMES_REINTERPRET(uint8, int16, u8, s16, u, i, 8, 16)
@@ -345,22 +353,22 @@ OPENCV_HAL_IMPL_RVV_TWO_TIMES_REINTERPRET(int32, float64, s32, f64, i, f, 32, 64
 #if CV_SIMD_SCALABLE_FP16
 inline v_float16 v_reinterpret_as_f16(const v_float64& v) \
 { \
-    return __riscv_vreinterpret_v_u16m1_f16m1(__riscv_vreinterpret_v_u64m1_u16m1(__riscv_vreinterpret_v_f64m1_u64m1(v)));\
+    return __riscv_vreinterpret_v_u16m2_f16m2(__riscv_vreinterpret_v_u64m2_u16m2(__riscv_vreinterpret_v_f64m2_u64m2(v)));\
 }
 
 inline v_float64 v_reinterpret_as_f64(const v_float16& v) \
 { \
-    return __riscv_vreinterpret_v_u64m1_f64m1(__riscv_vreinterpret_v_u16m1_u64m1(__riscv_vreinterpret_v_f16m1_u16m1(v)));\
+    return __riscv_vreinterpret_v_u64m2_f64m2(__riscv_vreinterpret_v_u16m2_u64m2(__riscv_vreinterpret_v_f16m2_u16m2(v)));\
 }
 #endif
 inline v_float32 v_reinterpret_as_f32(const v_float64& v) \
 { \
-    return __riscv_vreinterpret_v_u32m1_f32m1(__riscv_vreinterpret_v_u64m1_u32m1(__riscv_vreinterpret_v_f64m1_u64m1(v)));\
+    return __riscv_vreinterpret_v_u32m2_f32m2(__riscv_vreinterpret_v_u64m2_u32m2(__riscv_vreinterpret_v_f64m2_u64m2(v)));\
 }
 
 inline v_float64 v_reinterpret_as_f64(const v_float32& v) \
 { \
-    return __riscv_vreinterpret_v_u64m1_f64m1(__riscv_vreinterpret_v_u32m1_u64m1(__riscv_vreinterpret_v_f32m1_u32m1(v)));\
+    return __riscv_vreinterpret_v_u64m2_f64m2(__riscv_vreinterpret_v_u32m2_u64m2(__riscv_vreinterpret_v_f32m2_u32m2(v)));\
 }
 #endif
 
@@ -432,23 +440,23 @@ OPENCV_HAL_IMPL_RVV_EXTRACT(v_float64, double, VTraits<v_float64>::vlanes())
 #define OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(_Tpvec, _nTpvec, _Tp, hvl, vl, width, suffix) \
 inline _Tpvec v_load(const _Tp* ptr) \
 { \
-    return __riscv_vle##width##_v_##suffix##m1(ptr, vl); \
+    return __riscv_vle##width##_v_##suffix##m2(ptr, vl); \
 } \
 inline _Tpvec v_load_aligned(const _Tp* ptr) \
 { \
-    return __riscv_vle##width##_v_##suffix##m1(ptr, vl); \
+    return __riscv_vle##width##_v_##suffix##m2(ptr, vl); \
 } \
 inline void v_store(_Tp* ptr, const _Tpvec& a, hal::StoreMode /*mode*/) \
 { \
-    __riscv_vse##width##_v_##suffix##m1(ptr, a, vl); \
+    __riscv_vse##width##_v_##suffix##m2(ptr, a, vl); \
 } \
 inline _Tpvec v_load_low(const _Tp* ptr) \
 { \
-    return __riscv_vle##width##_v_##suffix##m1(ptr, hvl); \
+    return __riscv_vle##width##_v_##suffix##m2(ptr, hvl); \
 } \
 inline _Tpvec v_load_halves(const _Tp* ptr0, const _Tp* ptr1) \
 { \
-    return __riscv_vslideup(__riscv_vle##width##_v_##suffix##m1(ptr0, hvl), __riscv_vle##width##_v_##suffix##m1(ptr1, hvl), hvl, vl); \
+    return __riscv_vslideup(__riscv_vle##width##_v_##suffix##m2(ptr0, hvl), __riscv_vle##width##_v_##suffix##m2(ptr1, hvl), hvl, vl); \
 } \
 inline void v_store(_Tp* ptr, const _Tpvec& a) \
 { \
@@ -468,7 +476,7 @@ inline void v_store_low(_Tp* ptr, const _Tpvec& a) \
 } \
 inline void v_store_high(_Tp* ptr, const _Tpvec& a) \
 { \
-    __riscv_vse##width(ptr, __riscv_vslidedown_vx_##suffix##m1(a, hvl, vl), hvl); \
+    __riscv_vse##width(ptr, __riscv_vslidedown_vx_##suffix##m2(a, hvl, vl), hvl); \
 } \
 template<typename... Targs> \
 _Tpvec v_load_##suffix(Targs... nScalars) \
@@ -479,23 +487,23 @@ _Tpvec v_load_##suffix(Targs... nScalars) \
 #define OPENCV_HAL_IMPL_RVV_LOADSTORE_OP_FP16(_Tpvec, _nTpvec, _Tp, hvl, vl, width, suffix) \
 inline _Tpvec v_load(const _Tp* ptr) \
 { \
-    return __riscv_vle##width##_v_##suffix##m1((_Float16*)ptr, vl); \
+    return __riscv_vle##width##_v_##suffix##m2((_Float16*)ptr, vl); \
 } \
 inline _Tpvec v_load_aligned(const _Tp* ptr) \
 { \
-    return __riscv_vle##width##_v_##suffix##m1((_Float16*)ptr, vl); \
+    return __riscv_vle##width##_v_##suffix##m2((_Float16*)ptr, vl); \
 } \
 inline void v_store(_Tp* ptr, const _Tpvec& a, hal::StoreMode /*mode*/) \
 { \
-    __riscv_vse##width##_v_##suffix##m1((_Float16*)ptr, a, vl); \
+    __riscv_vse##width##_v_##suffix##m2((_Float16*)ptr, a, vl); \
 } \
 inline _Tpvec v_load_low(const _Tp* ptr) \
 { \
-    return __riscv_vle##width##_v_##suffix##m1((_Float16*)ptr, hvl); \
+    return __riscv_vle##width##_v_##suffix##m2((_Float16*)ptr, hvl); \
 } \
 inline _Tpvec v_load_halves(const _Tp* ptr0, const _Tp* ptr1) \
 { \
-    return __riscv_vslideup(__riscv_vle##width##_v_##suffix##m1((_Float16*)ptr0, hvl), __riscv_vle##width##_v_##suffix##m1((_Float16*)ptr1, hvl), hvl, vl); \
+    return __riscv_vslideup(__riscv_vle##width##_v_##suffix##m2((_Float16*)ptr0, hvl), __riscv_vle##width##_v_##suffix##m2((_Float16*)ptr1, hvl), hvl, vl); \
 } \
 inline void v_store(_Tp* ptr, const _Tpvec& a) \
 { \
@@ -515,24 +523,24 @@ inline void v_store_low(_Tp* ptr, const _Tpvec& a) \
 } \
 inline void v_store_high(_Tp* ptr, const _Tpvec& a) \
 { \
-    __riscv_vse##width((_Float16*)ptr, __riscv_vslidedown_vx_##suffix##m1(a, hvl, vl), hvl); \
+    __riscv_vse##width((_Float16*)ptr, __riscv_vslidedown_vx_##suffix##m2(a, hvl, vl), hvl); \
 }
 
-OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_uint8, vuint8m1_t, uchar, VTraits<v_uint8>::vlanes() / 2, VTraits<v_uint8>::vlanes(), 8, u8)
-OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_int8, vint8m1_t, schar, VTraits<v_int8>::vlanes() / 2, VTraits<v_int8>::vlanes(), 8, i8)
-OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_uint16, vuint16m1_t, ushort, VTraits<v_uint16>::vlanes() / 2, VTraits<v_uint16>::vlanes(), 16, u16)
-OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_int16, vint16m1_t, short, VTraits<v_int16>::vlanes() / 2, VTraits<v_int16>::vlanes(), 16, i16)
-OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_uint32, vuint32m1_t, unsigned int, VTraits<v_uint32>::vlanes() / 2, VTraits<v_uint32>::vlanes(), 32, u32)
-OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_int32, vint32m1_t, int, VTraits<v_int32>::vlanes() / 2, VTraits<v_int32>::vlanes(), 32, i32)
-OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_uint64, vuint64m1_t, uint64, VTraits<v_uint64>::vlanes() / 2, VTraits<v_uint64>::vlanes(), 64, u64)
-OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_int64, vint64m1_t, int64, VTraits<v_int64>::vlanes() / 2, VTraits<v_int64>::vlanes(), 64, i64)
+OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_uint8, vuint8m2_t, uchar, VTraits<v_uint8>::vlanes() / 2, VTraits<v_uint8>::vlanes(), 8, u8)
+OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_int8, vint8m2_t, schar, VTraits<v_int8>::vlanes() / 2, VTraits<v_int8>::vlanes(), 8, i8)
+OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_uint16, vuint16m2_t, ushort, VTraits<v_uint16>::vlanes() / 2, VTraits<v_uint16>::vlanes(), 16, u16)
+OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_int16, vint16m2_t, short, VTraits<v_int16>::vlanes() / 2, VTraits<v_int16>::vlanes(), 16, i16)
+OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_uint32, vuint32m2_t, unsigned int, VTraits<v_uint32>::vlanes() / 2, VTraits<v_uint32>::vlanes(), 32, u32)
+OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_int32, vint32m2_t, int, VTraits<v_int32>::vlanes() / 2, VTraits<v_int32>::vlanes(), 32, i32)
+OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_uint64, vuint64m2_t, uint64, VTraits<v_uint64>::vlanes() / 2, VTraits<v_uint64>::vlanes(), 64, u64)
+OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_int64, vint64m2_t, int64, VTraits<v_int64>::vlanes() / 2, VTraits<v_int64>::vlanes(), 64, i64)
 #if CV_SIMD_SCALABLE_FP16
-OPENCV_HAL_IMPL_RVV_LOADSTORE_OP_FP16(v_float16, vfloat16m1_t, hfloat, VTraits<v_float16>::vlanes() /2 , VTraits<v_float16>::vlanes(), 16, f16)
+OPENCV_HAL_IMPL_RVV_LOADSTORE_OP_FP16(v_float16, vfloat16m2_t, hfloat, VTraits<v_float16>::vlanes() /2 , VTraits<v_float16>::vlanes(), 16, f16)
 #endif
-OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_float32, vfloat32m1_t, float, VTraits<v_float32>::vlanes() /2 , VTraits<v_float32>::vlanes(), 32, f32)
+OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_float32, vfloat32m2_t, float, VTraits<v_float32>::vlanes() /2 , VTraits<v_float32>::vlanes(), 32, f32)
 
 #if CV_SIMD_SCALABLE_64F
-OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_float64, vfloat64m1_t, double, VTraits<v_float64>::vlanes() / 2, VTraits<v_float64>::vlanes(), 64, f64)
+OPENCV_HAL_IMPL_RVV_LOADSTORE_OP(v_float64, vfloat64m2_t, double, VTraits<v_float64>::vlanes() / 2, VTraits<v_float64>::vlanes(), 64, f64)
 #endif
 
 ////////////// Lookup table access ////////////////////
@@ -542,22 +550,22 @@ inline _Tpvec v_lut(const _Tp* tab, const int* idx) \
     auto vidx = __riscv_vmul(__riscv_vreinterpret_u32##suffix(__riscv_vle32_v_i32##suffix(idx, VTraits<_Tpvec>::vlanes())), sizeof(_Tp), VTraits<_Tpvec>::vlanes()); \
     return __riscv_vloxei32(tab, vidx, VTraits<_Tpvec>::vlanes()); \
 }
+OPENCV_HAL_IMPL_RVV_LUT(v_int8, schar, m8)
 #define OPENCV_HAL_IMPL_RVV_LUT_FP16(_Tpvec, _Tp, suffix) \
 inline _Tpvec v_lut(const _Tp* tab, const int* idx) \
 { \
     auto vidx = __riscv_vmul(__riscv_vreinterpret_u32##suffix(__riscv_vle32_v_i32##suffix(idx, VTraits<_Tpvec>::vlanes())), sizeof(_Tp), VTraits<_Tpvec>::vlanes()); \
     return __riscv_vloxei32((_Float16*)tab, vidx, VTraits<_Tpvec>::vlanes()); \
 }
-OPENCV_HAL_IMPL_RVV_LUT(v_int8, schar, m4)
-OPENCV_HAL_IMPL_RVV_LUT(v_int16, short, m2)
-OPENCV_HAL_IMPL_RVV_LUT(v_int32, int, m1)
-OPENCV_HAL_IMPL_RVV_LUT(v_int64, int64_t, mf2)
+OPENCV_HAL_IMPL_RVV_LUT(v_int16, short, m4)
+OPENCV_HAL_IMPL_RVV_LUT(v_int32, int, m2)
+OPENCV_HAL_IMPL_RVV_LUT(v_int64, int64_t, m1)
 #if CV_SIMD_SCALABLE_FP16
-OPENCV_HAL_IMPL_RVV_LUT_FP16(v_float16, hfloat, m2)
+OPENCV_HAL_IMPL_RVV_LUT_FP16(v_float16, hfloat, m4)
 #endif
-OPENCV_HAL_IMPL_RVV_LUT(v_float32, float, m1)
+OPENCV_HAL_IMPL_RVV_LUT(v_float32, float, m2)
 #if CV_SIMD_SCALABLE_64F
-OPENCV_HAL_IMPL_RVV_LUT(v_float64, double, mf2)
+OPENCV_HAL_IMPL_RVV_LUT(v_float64, double, m1)
 #endif
 
 #define OPENCV_HAL_IMPL_RVV_LUT_PAIRS(_Tpvec, _Tp, _TpCast, suffix1, suffix2, v_trunc) \
@@ -572,16 +580,16 @@ inline _Tpvec v_lut_pairs(const _Tp* tab, const int* idx) \
     auto vidx = __riscv_vmul(vid, sizeof(_Tp), VTraits<_Tpvec>::vlanes()); \
     return __riscv_vloxei32((_TpCast *)tab, vidx, VTraits<_Tpvec>::vlanes()); \
 }
-OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_int8, schar, schar, m2, m4, OPENCV_HAL_NOP)
-OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_int16, short, short, m1, m2, OPENCV_HAL_NOP)
+OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_int8, schar, schar, m4, m8, OPENCV_HAL_NOP)
+OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_int16, short, short, m2, m4, OPENCV_HAL_NOP)
 #if CV_SIMD_SCALABLE_FP16
-OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_float16, hfloat, _Float16, m1, m2, OPENCV_HAL_NOP)
+OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_float16, hfloat, _Float16, m2, m4, OPENCV_HAL_NOP)
 #endif
-OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_int32, int, int, mf2, m1, OPENCV_HAL_NOP)
-OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_float32, float, float, mf2, m1, OPENCV_HAL_NOP)
-OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_int64, int64_t, int64_t, mf2, m1, __riscv_vlmul_trunc_u32mf2)
+OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_int32, int, int, m1, m2, OPENCV_HAL_NOP)
+OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_float32, float, float, m1, m2, OPENCV_HAL_NOP)
+OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_int64, int64_t, int64_t, m1, m2, __riscv_vlmul_trunc_u32m1)
 #if CV_SIMD_SCALABLE_64F
-OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_float64, double, double, mf2, m1, __riscv_vlmul_trunc_u32mf2)
+OPENCV_HAL_IMPL_RVV_LUT_PAIRS(v_float64, double, double, m1, m2, __riscv_vlmul_trunc_u32m1)
 #endif
 
 
@@ -607,18 +615,18 @@ inline _Tpvec v_lut_quads(const _Tp* tab, const int* idx) \
     auto vidx = __riscv_vmul(vid, sizeof(_Tp), VTraits<_Tpvec>::vlanes()); \
     return __riscv_vloxei32((_TpCast *)tab, vidx, VTraits<_Tpvec>::vlanes()); \
 }
-OPENCV_HAL_IMPL_RVV_LUT_QUADS(v_int8, schar, schar, m1, m2, m4, OPENCV_HAL_NOP)
-OPENCV_HAL_IMPL_RVV_LUT_QUADS(v_int16, short, short, mf2 , m1, m2, OPENCV_HAL_NOP)
-OPENCV_HAL_IMPL_RVV_LUT_QUADS(v_int32, int, int, mf2, m1, m1, __riscv_vlmul_trunc_u32mf2)
+OPENCV_HAL_IMPL_RVV_LUT_QUADS(v_int8, schar, schar, m2, m4, m8, OPENCV_HAL_NOP)
+OPENCV_HAL_IMPL_RVV_LUT_QUADS(v_int16, short, short, m1 , m2, m4, OPENCV_HAL_NOP)
+OPENCV_HAL_IMPL_RVV_LUT_QUADS(v_int32, int, int, m1, m2, m2, __riscv_vlmul_trunc_u32m1)
 #if CV_SIMD_SCALABLE_FP16
-OPENCV_HAL_IMPL_RVV_LUT_QUADS(v_float16, hfloat, _Float16, mf2 , m1, m2, OPENCV_HAL_NOP)
+OPENCV_HAL_IMPL_RVV_LUT_QUADS(v_float16, hfloat, _Float16, m1 , m2, m4, OPENCV_HAL_NOP)
 #endif
-OPENCV_HAL_IMPL_RVV_LUT_QUADS(v_float32, float, float, mf2, m1, m1, __riscv_vlmul_trunc_u32mf2)
+OPENCV_HAL_IMPL_RVV_LUT_QUADS(v_float32, float, float, m1, m2, m2, __riscv_vlmul_trunc_u32m1)
 
 #define OPENCV_HAL_IMPL_RVV_LUT_VEC(_Tpvec, _Tp) \
 inline _Tpvec v_lut(const _Tp* tab, const v_int32& vidx) \
 { \
-    v_uint32 vidx_ = __riscv_vmul(__riscv_vreinterpret_u32m1(vidx), sizeof(_Tp), VTraits<v_int32>::vlanes()); \
+    v_uint32 vidx_ = __riscv_vmul(__riscv_vreinterpret_u32m2(vidx), sizeof(_Tp), VTraits<v_int32>::vlanes()); \
     return __riscv_vloxei32(tab, vidx_, VTraits<_Tpvec>::vlanes()); \
 }
 OPENCV_HAL_IMPL_RVV_LUT_VEC(v_float32, float)
@@ -628,7 +636,7 @@ OPENCV_HAL_IMPL_RVV_LUT_VEC(v_uint32, unsigned)
 #if CV_SIMD_SCALABLE_64F
 inline v_float64 v_lut(const double* tab, const v_int32& vidx) \
 { \
-    vuint32mf2_t vidx_ = __riscv_vmul(__riscv_vlmul_trunc_u32mf2(__riscv_vreinterpret_u32m1(vidx)), sizeof(double), VTraits<v_float64>::vlanes()); \
+    vuint32m1_t vidx_ = __riscv_vmul(__riscv_vlmul_trunc_u32m1(__riscv_vreinterpret_u32m2(vidx)), sizeof(double), VTraits<v_float64>::vlanes()); \
     return __riscv_vloxei32(tab, vidx_, VTraits<v_float64>::vlanes()); \
 }
 #endif
@@ -649,24 +657,24 @@ inline v_uint64 v_lut_pairs(const uint64* tab, const int* idx) { return v_reinte
 ////////////// Pack boolean ////////////////////
 inline v_uint8 v_pack_b(const v_uint16& a, const v_uint16& b)
 {
-    return __riscv_vnsrl(__riscv_vset(__riscv_vlmul_ext_v_u16m1_u16m2(a),1,b), 0, VTraits<v_uint8>::vlanes());
+    return __riscv_vnsrl(__riscv_vset(__riscv_vlmul_ext_v_u16m2_u16m4(a),1,b), 0, VTraits<v_uint8>::vlanes());
 }
 
 inline v_uint8 v_pack_b(const v_uint32& a, const v_uint32& b,
                            const v_uint32& c, const v_uint32& d)
 {
 
-    return __riscv_vnsrl(__riscv_vnsrl(__riscv_vset(__riscv_vset(__riscv_vset(__riscv_vlmul_ext_u32m4(a),1,b),2,c),3,d), 0, VTraits<v_uint8>::vlanes()), 0, VTraits<v_uint8>::vlanes());
+    return __riscv_vnsrl(__riscv_vnsrl(__riscv_vset(__riscv_vset(__riscv_vset(__riscv_vlmul_ext_u32m8(a),1,b),2,c),3,d), 0, VTraits<v_uint8>::vlanes()), 0, VTraits<v_uint8>::vlanes());
 }
 
 inline v_uint8 v_pack_b(const v_uint64& a, const v_uint64& b, const v_uint64& c,
                            const v_uint64& d, const v_uint64& e, const v_uint64& f,
                            const v_uint64& g, const v_uint64& h)
 {
-    return __riscv_vnsrl(__riscv_vnsrl(__riscv_vnsrl(
-        __riscv_vset(__riscv_vset(__riscv_vset(__riscv_vset(__riscv_vset(__riscv_vset(__riscv_vset(__riscv_vlmul_ext_u64m8(a),
-        1,b),2,c),3,d),4,e),5,f),6,g),7,h),
-        0, VTraits<v_uint8>::vlanes()), 0, VTraits<v_uint8>::vlanes()), 0, VTraits<v_uint8>::vlanes());
+    vuint8m1_t t0 = __riscv_vnsrl(__riscv_vnsrl(__riscv_vnsrl(__riscv_vset(__riscv_vset(__riscv_vset(__riscv_vlmul_ext_u64m8(a),1,b),2,c),3,d), 0, VTraits<v_uint8>::vlanes()), 0, VTraits<v_uint8>::vlanes()), 0, VTraits<v_uint8>::vlanes());
+    vuint8m1_t t1 = __riscv_vnsrl(__riscv_vnsrl(__riscv_vnsrl(__riscv_vset(__riscv_vset(__riscv_vset(__riscv_vlmul_ext_u64m8(e),1,f),2,g),3,h), 0, VTraits<v_uint8>::vlanes()), 0, VTraits<v_uint8>::vlanes()), 0, VTraits<v_uint8>::vlanes());
+
+    return __riscv_vset(__riscv_vlmul_ext_u8m2(t0), 1, t1);
 }
 
 ////////////// Arithmetics //////////////
@@ -748,15 +756,15 @@ OPENCV_HAL_IMPL_RVV_BIN_MMUL(v_float64, __riscv_vfmul)
 inline void v_mul_expand(const _Tpvec& a, const _Tpvec& b, _Tpwvec& c, _Tpwvec& d) \
 { \
     _TpwvecM2 temp = wmul(a, b, VTraits<_Tpvec>::vlanes()); \
-    c = __riscv_vget_##suffix##m1(temp, 0); \
-    d = __riscv_vget_##suffix##m1(temp, 1); \
+    c = __riscv_vget_##suffix##m2(temp, 0); \
+    d = __riscv_vget_##suffix##m2(temp, 1); \
 }
 
-OPENCV_HAL_IMPL_RVV_MUL_EXPAND(v_uint8, v_uint16, vuint16m2_t, u16, __riscv_vwmulu)
-OPENCV_HAL_IMPL_RVV_MUL_EXPAND(v_int8, v_int16, vint16m2_t, i16, __riscv_vwmul)
-OPENCV_HAL_IMPL_RVV_MUL_EXPAND(v_uint16, v_uint32, vuint32m2_t, u32, __riscv_vwmulu)
-OPENCV_HAL_IMPL_RVV_MUL_EXPAND(v_int16, v_int32, vint32m2_t, i32, __riscv_vwmul)
-OPENCV_HAL_IMPL_RVV_MUL_EXPAND(v_uint32, v_uint64, vuint64m2_t, u64, __riscv_vwmulu)
+OPENCV_HAL_IMPL_RVV_MUL_EXPAND(v_uint8, v_uint16, vuint16m4_t, u16, __riscv_vwmulu)
+OPENCV_HAL_IMPL_RVV_MUL_EXPAND(v_int8, v_int16, vint16m4_t, i16, __riscv_vwmul)
+OPENCV_HAL_IMPL_RVV_MUL_EXPAND(v_uint16, v_uint32, vuint32m4_t, u32, __riscv_vwmulu)
+OPENCV_HAL_IMPL_RVV_MUL_EXPAND(v_int16, v_int32, vint32m4_t, i32, __riscv_vwmul)
+OPENCV_HAL_IMPL_RVV_MUL_EXPAND(v_uint32, v_uint64, vuint64m4_t, u64, __riscv_vwmulu)
 
 inline v_int16 v_mul_hi(const v_int16& a, const v_int16& b)
 {
@@ -830,7 +838,7 @@ OPENCV_HAL_IMPL_RVV_LOGIC_OP(v_int64, VTraits<v_int64>::vlanes())
 #define OPENCV_HAL_IMPL_RVV_FLT16_BIT_OP(intrin) \
 inline v_float16 intrin (const v_float16& a, const v_float16& b) \
 { \
-    return __riscv_vreinterpret_f16m1(intrin(__riscv_vreinterpret_i16m1(a), __riscv_vreinterpret_i16m1(b))); \
+    return __riscv_vreinterpret_f16m2(intrin(__riscv_vreinterpret_i16m2(a), __riscv_vreinterpret_i16m2(b))); \
 }
 OPENCV_HAL_IMPL_RVV_FLT16_BIT_OP(v_and)
 OPENCV_HAL_IMPL_RVV_FLT16_BIT_OP(v_or)
@@ -838,14 +846,14 @@ OPENCV_HAL_IMPL_RVV_FLT16_BIT_OP(v_xor)
 
 inline v_float16 v_not (const v_float16& a) \
 { \
-    return __riscv_vreinterpret_f16m1(v_not(__riscv_vreinterpret_i16m1(a))); \
+    return __riscv_vreinterpret_f16m2(v_not(__riscv_vreinterpret_i16m2(a))); \
 }
 #endif
 
 #define OPENCV_HAL_IMPL_RVV_FLT32_BIT_OP(intrin) \
 inline v_float32 intrin (const v_float32& a, const v_float32& b) \
 { \
-    return __riscv_vreinterpret_f32m1(intrin(__riscv_vreinterpret_i32m1(a), __riscv_vreinterpret_i32m1(b))); \
+    return __riscv_vreinterpret_f32m2(intrin(__riscv_vreinterpret_i32m2(a), __riscv_vreinterpret_i32m2(b))); \
 }
 OPENCV_HAL_IMPL_RVV_FLT32_BIT_OP(v_and)
 OPENCV_HAL_IMPL_RVV_FLT32_BIT_OP(v_or)
@@ -853,14 +861,14 @@ OPENCV_HAL_IMPL_RVV_FLT32_BIT_OP(v_xor)
 
 inline v_float32 v_not (const v_float32& a) \
 { \
-    return __riscv_vreinterpret_f32m1(v_not(__riscv_vreinterpret_i32m1(a))); \
+    return __riscv_vreinterpret_f32m2(v_not(__riscv_vreinterpret_i32m2(a))); \
 }
 
 #if CV_SIMD_SCALABLE_64F
 #define OPENCV_HAL_IMPL_RVV_FLT64_BIT_OP(intrin) \
 inline v_float64 intrin (const v_float64& a, const v_float64& b) \
 { \
-    return __riscv_vreinterpret_f64m1(intrin(__riscv_vreinterpret_i64m1(a), __riscv_vreinterpret_i64m1(b))); \
+    return __riscv_vreinterpret_f64m2(intrin(__riscv_vreinterpret_i64m2(a), __riscv_vreinterpret_i64m2(b))); \
 }
 OPENCV_HAL_IMPL_RVV_FLT64_BIT_OP(v_and)
 OPENCV_HAL_IMPL_RVV_FLT64_BIT_OP(v_or)
@@ -868,7 +876,7 @@ OPENCV_HAL_IMPL_RVV_FLT64_BIT_OP(v_xor)
 
 inline v_float64 v_not (const v_float64& a) \
 { \
-    return __riscv_vreinterpret_f64m1(v_not(__riscv_vreinterpret_i64m1(a))); \
+    return __riscv_vreinterpret_f64m2(v_not(__riscv_vreinterpret_i64m2(a))); \
 }
 #endif
 
@@ -912,7 +920,7 @@ inline _Tpvec v_##op(const _Tpvec& a, const _Tpvec& b) \
 { \
     size_t VLEN = VTraits<_Tpvec>::vlanes(); \
     uint64_t ones = -1; \
-    return __riscv_vmerge(__riscv_vmv_v_x_##suffix##m1(0, VLEN), ones, intrin(a, b, VLEN), VLEN); \
+    return __riscv_vmerge(__riscv_vmv_v_x_##suffix##m2(0, VLEN), ones, intrin(a, b, VLEN), VLEN); \
 }
 
 #define OPENCV_HAL_IMPL_RVV_FLOAT_CMP_OP(_Tpvec, op, intrin, suffix) \
@@ -922,7 +930,7 @@ inline _Tpvec v_##op (const _Tpvec& a, const _Tpvec& b) \
     union { uint64_t u; VTraits<_Tpvec>::lane_type d; } ones; \
     ones.u = -1; \
     auto diff = intrin(a, b, VLEN); \
-    auto z = __riscv_vfmv_v_f_##suffix##m1(0, VLEN); \
+    auto z = __riscv_vfmv_v_f_##suffix##m2(0, VLEN); \
     auto res = __riscv_vfmerge(z, ones.d, diff, VLEN); \
     return _Tpvec(res); \
 } //TODO
@@ -934,7 +942,7 @@ inline _Tpvec v_##op (const _Tpvec& a, const _Tpvec& b) \
     union { uint64_t u; _Float16 d; } ones; \
     ones.u = -1; \
     auto diff = intrin(a, b, VLEN); \
-    auto z = __riscv_vfmv_v_f_##suffix##m1(0, VLEN); \
+    auto z = __riscv_vfmv_v_f_##suffix##m2(0, VLEN); \
     auto res = __riscv_vfmerge(z, ones.d, diff, VLEN); \
     return _Tpvec(res); \
 } //TODO
@@ -1035,77 +1043,18 @@ OPENCV_HAL_IMPL_RVV_BIN_FUNC(v_float64, v_max, __riscv_vfmax, VTraits<v_float64>
 #define OPENCV_HAL_IMPL_RVV_ZIP4(_Tpvec, _wTpvec, suffix, convert2u, convert) \
 inline void v_zip4(const _Tpvec& a0, const _Tpvec& a1, _Tpvec& b0, _Tpvec& b1) { \
     int vl = 4; \
-    _wTpvec temp = __riscv_vreinterpret_##suffix##m2(convert2u( \
+    _wTpvec temp = __riscv_vreinterpret_##suffix##m4(convert2u( \
         __riscv_vor(__riscv_vzext_vf2(convert(a0), vl), \
-            __riscv_vreinterpret_u64m2(__riscv_vslide1up(__riscv_vreinterpret_u32m2(__riscv_vzext_vf2(convert(a1), vl)), 0, vl*2)), \
+            __riscv_vreinterpret_u64m4(__riscv_vslide1up(__riscv_vreinterpret_u32m4(__riscv_vzext_vf2(convert(a1), vl)), 0, vl*2)), \
             vl))); \
-    b0 = __riscv_vget_##suffix##m1(temp, 0); \
-    b1 = __riscv_vget_##suffix##m1(__riscv_vrgather(temp, __riscv_vadd(__riscv_vid_v_u32m2(vl), 4, vl)/*{4,5,6,7} */, vl) ,0); \
+    b0 = __riscv_vget_##suffix##m2(temp, 0); \
+    b1 = __riscv_vget_##suffix##m2(__riscv_vrgather(temp, __riscv_vadd(__riscv_vid_v_u32m4(vl), 4, vl)/*{4,5,6,7} */, vl) ,0); \
 }
 
-OPENCV_HAL_IMPL_RVV_ZIP4(v_uint32, vuint32m2_t, u32, OPENCV_HAL_NOP, OPENCV_HAL_NOP)
-OPENCV_HAL_IMPL_RVV_ZIP4(v_int32, vint32m2_t, i32, __riscv_vreinterpret_u32m2, __riscv_vreinterpret_u32m1)
-OPENCV_HAL_IMPL_RVV_ZIP4(v_float32, vfloat32m2_t, f32, __riscv_vreinterpret_u32m2, __riscv_vreinterpret_u32m1)
+OPENCV_HAL_IMPL_RVV_ZIP4(v_uint32, vuint32m4_t, u32, OPENCV_HAL_NOP, OPENCV_HAL_NOP)
+OPENCV_HAL_IMPL_RVV_ZIP4(v_int32, vint32m4_t, i32, __riscv_vreinterpret_u32m4, __riscv_vreinterpret_u32m2)
+OPENCV_HAL_IMPL_RVV_ZIP4(v_float32, vfloat32m4_t, f32, __riscv_vreinterpret_u32m4, __riscv_vreinterpret_u32m2)
 
-#if 0
-// this is v_zip4 and v_tranpose4x4 for scalable VLEN, costs more instruction than current 128-bit only version.
-inline void v_zip4(const v_float32& a0, const v_float32& a1, v_float32& b0, v_float32& b1) {
-    vuint64m1_t vid1 = __riscv_vid_v_u64m1(VTraits<vuint64m1_t>::vlanes());
-    vuint16m1_t t1 = __riscv_vreinterpret_u16m1(vid1);
-    vuint16m1_t t2 = __riscv_vslide1up(t1, 0, VTraits<vuint16m1_t>::vlanes());
-    vuint16m1_t t3 = __riscv_vslide1up(t2, 0, VTraits<vuint16m1_t>::vlanes());
-    vuint16m1_t t4 = __riscv_vslide1up(t3, 0, VTraits<vuint16m1_t>::vlanes());
-    t1 = __riscv_vor(
-        __riscv_vor(t1, t2, VTraits<vuint16m1_t>::vlanes()),
-        __riscv_vor(t3, t4, VTraits<vuint16m1_t>::vlanes()),
-        VTraits<vuint16m1_t>::vlanes()
-    );
-    vuint32m2_t vidx0 = __riscv_vwmulu(t1, 4, VTraits<vuint32m1_t>::vlanes());
-    vidx0 = __riscv_vadd(vidx0, __riscv_vid_v_u32m2(VTraits<vuint32m1_t>::vlanes()), VTraits<vuint32m1_t>::vlanes());
-    vuint32m2_t vidx1 = __riscv_vadd(vidx0, 4, VTraits<vuint32m1_t>::vlanes());
-    vfloat32m2_t temp = __riscv_vreinterpret_f32m2(__riscv_vreinterpret_u32m2(
-        __riscv_vor(__riscv_vzext_vf2(__riscv_vreinterpret_u32m1(a0), VTraits<vuint16m1_t>::vlanes()),
-            __riscv_vreinterpret_u64m2(__riscv_vslide1up(__riscv_vreinterpret_u32m2(__riscv_vzext_vf2(__riscv_vreinterpret_u32m1(a1), VTraits<vuint16m1_t>::vlanes())), 0, VTraits<vfloat32m1_t>::vlanes()*2)),
-            VTraits<vfloat32m1_t>::vlanes())));
-    b0 = __riscv_vlmul_trunc_f32m1(__riscv_vrgather(temp, vidx0, VTraits<vuint16m1_t>::vlanes()));
-    b1 = __riscv_vlmul_trunc_f32m1(__riscv_vrgather(temp, vidx1, VTraits<vuint16m1_t>::vlanes()));
-}
-
-inline void v_transpose4x4(const v_float32& a0, const v_float32& a1, const v_float32& a2, const v_float32& a3,\
-                            v_float32& b0, v_float32& b1, v_float32& b2, v_float32& b3) { \
-    vuint64m2_t vid1 = __riscv_vid_v_u64m2(VTraits<vuint32m1_t>::vlanes());
-    vuint16m2_t t1 = __riscv_vreinterpret_u16m2(vid1);
-    vuint16m2_t t2 = __riscv_vslide1up(t1, 0, VTraits<vuint8m1_t>::vlanes());
-    vuint16m2_t t3 = __riscv_vslide1up(t2, 0, VTraits<vuint8m1_t>::vlanes());
-    vuint16m2_t t4 = __riscv_vslide1up(t3, 0, VTraits<vuint8m1_t>::vlanes());
-    t1 = __riscv_vor(
-        __riscv_vor(t1, t2, VTraits<vuint8m1_t>::vlanes()),
-        __riscv_vor(t3, t4, VTraits<vuint8m1_t>::vlanes()),
-        VTraits<vuint8m1_t>::vlanes()
-    );
-    vuint16m2_t vidx0 = __riscv_vmul(t1, 12, VTraits<vuint8m1_t>::vlanes());
-    vidx0 = __riscv_vadd(vidx0, __riscv_vid_v_u16m2(VTraits<vuint8m1_t>::vlanes()), VTraits<vuint8m1_t>::vlanes());
-    vuint16m2_t vidx1 = __riscv_vadd(vidx0, 4, VTraits<vuint8m1_t>::vlanes());
-    vuint16m2_t vidx2 = __riscv_vadd(vidx0, 8, VTraits<vuint8m1_t>::vlanes());
-    vuint16m2_t vidx3 = __riscv_vadd(vidx0, 12, VTraits<vuint8m1_t>::vlanes());
-    vuint32m2_t tempA = __riscv_vreinterpret_u32m2( \
-        __riscv_vor(__riscv_vzext_vf2(__riscv_vreinterpret_u32m1(a0), VTraits<vuint16m1_t>::vlanes()), \
-            __riscv_vreinterpret_u64m2(__riscv_vslide1up(__riscv_vreinterpret_u32m2(__riscv_vzext_vf2(__riscv_vreinterpret_u32m1(a2), VTraits<vuint16m1_t>::vlanes())), 0, VTraits<vuint16m1_t>::vlanes())), \
-            VTraits<vuint32m1_t>::vlanes())); \
-    vuint32m2_t tempB = __riscv_vreinterpret_u32m2( \
-        __riscv_vor(__riscv_vzext_vf2(__riscv_vreinterpret_u32m1(a1), VTraits<vuint16m1_t>::vlanes()), \
-            __riscv_vreinterpret_u64m2(__riscv_vslide1up(__riscv_vreinterpret_u32m2(__riscv_vzext_vf2(__riscv_vreinterpret_u32m1(a3), VTraits<vuint16m1_t>::vlanes())), 0, VTraits<vuint16m1_t>::vlanes())), \
-            VTraits<vuint32m1_t>::vlanes())); \
-    vfloat32m4_t temp = __riscv_vreinterpret_f32m4(__riscv_vreinterpret_u32m4( \
-        __riscv_vor(__riscv_vzext_vf2(tempA, VTraits<vuint8m1_t>::vlanes()), \
-            __riscv_vreinterpret_u64m4(__riscv_vslide1up(__riscv_vreinterpret_u32m4(__riscv_vzext_vf2(tempB, VTraits<vuint8m1_t>::vlanes())), 0, VTraits<vuint8m1_t>::vlanes())), \
-            VTraits<vuint16m1_t>::vlanes()))); \
-    b0 = __riscv_vlmul_trunc_f32m1(__riscv_vrgatherei16(temp, vidx0, VTraits<vuint8m1_t>::vlanes()));
-    b1 = __riscv_vlmul_trunc_f32m1(__riscv_vrgatherei16(temp, vidx1, VTraits<vuint8m1_t>::vlanes()));
-    b2 = __riscv_vlmul_trunc_f32m1(__riscv_vrgatherei16(temp, vidx2, VTraits<vuint8m1_t>::vlanes()));
-    b3 = __riscv_vlmul_trunc_f32m1(__riscv_vrgatherei16(temp, vidx3, VTraits<vuint8m1_t>::vlanes()));
-}
-#endif
 
 #define OPENCV_HAL_IMPL_RVV_TRANSPOSE4x4(_Tpvec, suffix) \
 inline void v_transpose4x4(const _Tpvec& a0, const _Tpvec& a1, const _Tpvec& a2, const _Tpvec& a3, _Tpvec& b0, _Tpvec& b1, _Tpvec& b2, _Tpvec& b3) { \
@@ -1128,7 +1077,7 @@ inline scalartype v_reduce_sum(const _Tpvec& a)  \
     _nwTpvec zero = __riscv_vmv_v_x_##wsuffix##m1(0, vl); \
     _nwTpvec res = __riscv_vmv_v_x_##wsuffix##m1(0, vl); \
     res = __riscv_v##red(a, zero, vl); \
-    return (scalartype)v_get0(res); \
+    return (scalartype)__riscv_vmv_x(res); \
 }
 OPENCV_HAL_IMPL_RVV_REDUCE_SUM(v_uint8, v_uint16, vuint16m1_t, unsigned, u16, VTraits<v_uint8>::vlanes(), wredsumu)
 OPENCV_HAL_IMPL_RVV_REDUCE_SUM(v_int8, v_int16, vint16m1_t, int, i16, VTraits<v_int8>::vlanes(), wredsum)
@@ -1146,86 +1095,93 @@ inline scalartype v_reduce_sum(const _Tpvec& a)  \
     _nwTpvec zero = __riscv_vfmv_v_f_##wsuffix##m1(0, vl); \
     _nwTpvec res = __riscv_vfmv_v_f_##wsuffix##m1(0, vl); \
     res = __riscv_vfredusum(a, zero, vl); \
-    return (scalartype)v_get0(res); \
+    return (scalartype)__riscv_vfmv_f(res); \
 }
 OPENCV_HAL_IMPL_RVV_REDUCE_SUM_FP(v_float32, v_float32, vfloat32m1_t, float, f32, VTraits<v_float32>::vlanes())
 #if CV_SIMD_SCALABLE_64F
 OPENCV_HAL_IMPL_RVV_REDUCE_SUM_FP(v_float64, v_float64, vfloat64m1_t, float, f64, VTraits<v_float64>::vlanes())
 #endif
 
-#define OPENCV_HAL_IMPL_RVV_REDUCE(_Tpvec, func, scalartype, suffix, vl, red) \
+#define OPENCV_HAL_IMPL_RVV_REDUCE(_Tpvec, _nTpvec, func, scalartype, suffix, vl, red) \
+inline scalartype v_reduce_##func(const _Tpvec& a)  \
+{ \
+    _nTpvec narrowM1 = __riscv_vlmul_trunc_##suffix##m1(a); \
+    return (scalartype)__riscv_vmv_x(__riscv_v##red(a, narrowM1, vl)); \
+}
+
+#define OPENCV_HAL_IMPL_RVV_REDUCE_FP(_Tpvec, _nTpvec, func, scalartype, suffix, vl, red) \
 inline scalartype v_reduce_##func(const _Tpvec& a)  \
 { \
-    _Tpvec res = _Tpvec(__riscv_v##red(a, a, vl)); \
-    return (scalartype)v_get0(res); \
-}
-
-OPENCV_HAL_IMPL_RVV_REDUCE(v_uint8, min, uchar, u8, VTraits<v_uint8>::vlanes(), redminu)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_int8, min, schar, i8, VTraits<v_int8>::vlanes(), redmin)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_uint16, min, ushort, u16, VTraits<v_uint16>::vlanes(), redminu)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_int16, min, short, i16, VTraits<v_int16>::vlanes(), redmin)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_uint32, min, unsigned, u32, VTraits<v_uint32>::vlanes(), redminu)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_int32, min, int, i32, VTraits<v_int32>::vlanes(), redmin)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_float32, min, float, f32, VTraits<v_float32>::vlanes(), fredmin)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_uint8, max, uchar, u8, VTraits<v_uint8>::vlanes(), redmaxu)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_int8, max, schar, i8, VTraits<v_int8>::vlanes(), redmax)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_uint16, max, ushort, u16, VTraits<v_uint16>::vlanes(), redmaxu)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_int16, max, short, i16, VTraits<v_int16>::vlanes(), redmax)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_uint32, max, unsigned, u32, VTraits<v_uint32>::vlanes(), redmaxu)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_int32, max, int, i32, VTraits<v_int32>::vlanes(), redmax)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_float32, max, float, f32, VTraits<v_float32>::vlanes(), fredmax)
+    _nTpvec narrowM1 = __riscv_vlmul_trunc_##suffix##m1(a); \
+    return (scalartype)__riscv_vfmv_f(__riscv_v##red(a, narrowM1, vl)); \
+}
+
+OPENCV_HAL_IMPL_RVV_REDUCE(v_uint8, vuint8m1_t, min, uchar, u8, VTraits<v_uint8>::vlanes(), redminu)
+OPENCV_HAL_IMPL_RVV_REDUCE(v_int8, vint8m1_t, min, schar, i8, VTraits<v_int8>::vlanes(), redmin)
+OPENCV_HAL_IMPL_RVV_REDUCE(v_uint16, vuint16m1_t, min, ushort, u16, VTraits<v_uint16>::vlanes(), redminu)
+OPENCV_HAL_IMPL_RVV_REDUCE(v_int16, vint16m1_t, min, short, i16, VTraits<v_int16>::vlanes(), redmin)
+OPENCV_HAL_IMPL_RVV_REDUCE(v_uint32, vuint32m1_t, min, unsigned, u32, VTraits<v_uint32>::vlanes(), redminu)
+OPENCV_HAL_IMPL_RVV_REDUCE(v_int32, vint32m1_t, min, int, i32, VTraits<v_int32>::vlanes(), redmin)
+OPENCV_HAL_IMPL_RVV_REDUCE_FP(v_float32, vfloat32m1_t, min, float, f32, VTraits<v_float32>::vlanes(), fredmin)
+OPENCV_HAL_IMPL_RVV_REDUCE(v_uint8,  vuint8m1_t, max, uchar, u8, VTraits<v_uint8>::vlanes(), redmaxu)
+OPENCV_HAL_IMPL_RVV_REDUCE(v_int8,  vint8m1_t, max, schar, i8, VTraits<v_int8>::vlanes(), redmax)
+OPENCV_HAL_IMPL_RVV_REDUCE(v_uint16,  vuint16m1_t, max, ushort, u16, VTraits<v_uint16>::vlanes(), redmaxu)
+OPENCV_HAL_IMPL_RVV_REDUCE(v_int16,  vint16m1_t, max, short, i16, VTraits<v_int16>::vlanes(), redmax)
+OPENCV_HAL_IMPL_RVV_REDUCE(v_uint32,  vuint32m1_t, max, unsigned, u32, VTraits<v_uint32>::vlanes(), redmaxu)
+OPENCV_HAL_IMPL_RVV_REDUCE(v_int32,  vint32m1_t, max, int, i32, VTraits<v_int32>::vlanes(), redmax)
+OPENCV_HAL_IMPL_RVV_REDUCE_FP(v_float32,  vfloat32m1_t, max, float, f32, VTraits<v_float32>::vlanes(), fredmax)
 #if CV_SIMD_SCALABLE_FP16
-OPENCV_HAL_IMPL_RVV_REDUCE(v_float16, max, hfloat, f16, VTraits<v_float16>::vlanes(), fredmax)
-OPENCV_HAL_IMPL_RVV_REDUCE(v_float16, min, hfloat, f16, VTraits<v_float16>::vlanes(), fredmin)
+OPENCV_HAL_IMPL_RVV_REDUCE_FP(v_float16, vfloat16m1_t, max, hfloat, f16, VTraits<v_float16>::vlanes(), fredmax)
+OPENCV_HAL_IMPL_RVV_REDUCE_FP(v_float16, vfloat16m1_t, min, hfloat, f16, VTraits<v_float16>::vlanes(), fredmin)
 #endif
 
 inline v_float32 v_reduce_sum4(const v_float32& a, const v_float32& b,
                                  const v_float32& c, const v_float32& d)
 {
     // 0000 1111 2222 3333 ....
-    vuint64m2_t vid1 = __riscv_vid_v_u64m2(VTraits<vuint32m1_t>::vlanes());
-    vuint16m2_t t1 = __riscv_vreinterpret_u16m2(vid1);
-    vuint16m2_t t2 = __riscv_vslide1up(t1, 0, VTraits<vuint8m1_t>::vlanes());
-    vuint16m2_t t3 = __riscv_vslide1up(t2, 0, VTraits<vuint8m1_t>::vlanes());
-    vuint16m2_t t4 = __riscv_vslide1up(t3, 0, VTraits<vuint8m1_t>::vlanes());
+    vuint64m4_t vid1 = __riscv_vid_v_u64m4(VTraits<vuint32m2_t>::vlanes());
+    vuint16m4_t t1 = __riscv_vreinterpret_u16m4(vid1);
+    vuint16m4_t t2 = __riscv_vslide1up(t1, 0, VTraits<vuint8m2_t>::vlanes());
+    vuint16m4_t t3 = __riscv_vslide1up(t2, 0, VTraits<vuint8m2_t>::vlanes());
+    vuint16m4_t t4 = __riscv_vslide1up(t3, 0, VTraits<vuint8m2_t>::vlanes());
     t1 = __riscv_vor(
-        __riscv_vor(t1, t2, VTraits<vuint8m1_t>::vlanes()),
-        __riscv_vor(t3, t4, VTraits<vuint8m1_t>::vlanes()),
-        VTraits<vuint8m1_t>::vlanes()
+        __riscv_vor(t1, t2, VTraits<vuint8m2_t>::vlanes()),
+        __riscv_vor(t3, t4, VTraits<vuint8m2_t>::vlanes()),
+        VTraits<vuint8m2_t>::vlanes()
     );
 
     // index for transpose4X4
-    vuint16m2_t vidx0 = __riscv_vmul(t1, 12, VTraits<vuint8m1_t>::vlanes());
-    vidx0 = __riscv_vadd(vidx0, __riscv_vid_v_u16m2(VTraits<vuint8m1_t>::vlanes()), VTraits<vuint8m1_t>::vlanes());
-    vuint16m2_t vidx1 = __riscv_vadd(vidx0, 4, VTraits<vuint8m1_t>::vlanes());
-    vuint16m2_t vidx2 = __riscv_vadd(vidx0, 8, VTraits<vuint8m1_t>::vlanes());
-    vuint16m2_t vidx3 = __riscv_vadd(vidx0, 12, VTraits<vuint8m1_t>::vlanes());
+    vuint16m4_t vidx0 = __riscv_vmul(t1, 12, VTraits<vuint8m2_t>::vlanes());
+    vidx0 = __riscv_vadd(vidx0, __riscv_vid_v_u16m4(VTraits<vuint8m2_t>::vlanes()), VTraits<vuint8m2_t>::vlanes());
+    vuint16m4_t vidx1 = __riscv_vadd(vidx0, 4, VTraits<vuint8m2_t>::vlanes());
+    vuint16m4_t vidx2 = __riscv_vadd(vidx0, 8, VTraits<vuint8m2_t>::vlanes());
+    vuint16m4_t vidx3 = __riscv_vadd(vidx0, 12, VTraits<vuint8m2_t>::vlanes());
 
     // zip
-    vuint32m2_t tempA = __riscv_vreinterpret_u32m2( \
-        __riscv_vor(__riscv_vzext_vf2(__riscv_vreinterpret_u32m1(a), VTraits<vuint16m1_t>::vlanes()), \
-            __riscv_vreinterpret_u64m2(__riscv_vslide1up(__riscv_vreinterpret_u32m2(__riscv_vzext_vf2(__riscv_vreinterpret_u32m1(c), VTraits<vuint16m1_t>::vlanes())), 0, VTraits<vuint16m1_t>::vlanes())), \
-            VTraits<vuint32m1_t>::vlanes())); \
-    vuint32m2_t tempB = __riscv_vreinterpret_u32m2( \
-        __riscv_vor(__riscv_vzext_vf2(__riscv_vreinterpret_u32m1(b), VTraits<vuint16m1_t>::vlanes()), \
-            __riscv_vreinterpret_u64m2(__riscv_vslide1up(__riscv_vreinterpret_u32m2(__riscv_vzext_vf2(__riscv_vreinterpret_u32m1(d), VTraits<vuint16m1_t>::vlanes())), 0, VTraits<vuint16m1_t>::vlanes())), \
-            VTraits<vuint32m1_t>::vlanes())); \
-    vfloat32m4_t temp = __riscv_vreinterpret_f32m4(__riscv_vreinterpret_u32m4( \
-        __riscv_vor(__riscv_vzext_vf2(tempA, VTraits<vuint8m1_t>::vlanes()), \
-            __riscv_vreinterpret_u64m4(__riscv_vslide1up(__riscv_vreinterpret_u32m4(__riscv_vzext_vf2(tempB, VTraits<vuint8m1_t>::vlanes())), 0, VTraits<vuint8m1_t>::vlanes())), \
-            VTraits<vuint16m1_t>::vlanes())));
+    vuint32m4_t tempA = __riscv_vreinterpret_u32m4( \
+        __riscv_vor(__riscv_vzext_vf2(__riscv_vreinterpret_u32m2(a), VTraits<vuint16m2_t>::vlanes()), \
+            __riscv_vreinterpret_u64m4(__riscv_vslide1up(__riscv_vreinterpret_u32m4(__riscv_vzext_vf2(__riscv_vreinterpret_u32m2(c), VTraits<vuint16m2_t>::vlanes())), 0, VTraits<vuint16m2_t>::vlanes())), \
+            VTraits<vuint32m2_t>::vlanes())); \
+    vuint32m4_t tempB = __riscv_vreinterpret_u32m4( \
+        __riscv_vor(__riscv_vzext_vf2(__riscv_vreinterpret_u32m2(b), VTraits<vuint16m2_t>::vlanes()), \
+            __riscv_vreinterpret_u64m4(__riscv_vslide1up(__riscv_vreinterpret_u32m4(__riscv_vzext_vf2(__riscv_vreinterpret_u32m2(d), VTraits<vuint16m2_t>::vlanes())), 0, VTraits<vuint16m2_t>::vlanes())), \
+            VTraits<vuint32m2_t>::vlanes())); \
+    vfloat32m8_t temp = __riscv_vreinterpret_f32m8(__riscv_vreinterpret_u32m8( \
+        __riscv_vor(__riscv_vzext_vf2(tempA, VTraits<vuint8m2_t>::vlanes()), \
+            __riscv_vreinterpret_u64m8(__riscv_vslide1up(__riscv_vreinterpret_u32m8(__riscv_vzext_vf2(tempB, VTraits<vuint8m2_t>::vlanes())), 0, VTraits<vuint8m2_t>::vlanes())), \
+            VTraits<vuint16m2_t>::vlanes())));
 
     // transpose
-    vfloat32m1_t b0 = __riscv_vlmul_trunc_f32m1(__riscv_vrgatherei16(temp, vidx0, VTraits<vuint8m1_t>::vlanes()));
-    vfloat32m1_t b1 = __riscv_vlmul_trunc_f32m1(__riscv_vrgatherei16(temp, vidx1, VTraits<vuint8m1_t>::vlanes()));
-    vfloat32m1_t b2 = __riscv_vlmul_trunc_f32m1(__riscv_vrgatherei16(temp, vidx2, VTraits<vuint8m1_t>::vlanes()));
-    vfloat32m1_t b3 = __riscv_vlmul_trunc_f32m1(__riscv_vrgatherei16(temp, vidx3, VTraits<vuint8m1_t>::vlanes()));
+    vfloat32m2_t b0 = __riscv_vlmul_trunc_f32m2(__riscv_vrgatherei16(temp, vidx0, VTraits<vuint8m2_t>::vlanes()));
+    vfloat32m2_t b1 = __riscv_vlmul_trunc_f32m2(__riscv_vrgatherei16(temp, vidx1, VTraits<vuint8m2_t>::vlanes()));
+    vfloat32m2_t b2 = __riscv_vlmul_trunc_f32m2(__riscv_vrgatherei16(temp, vidx2, VTraits<vuint8m2_t>::vlanes()));
+    vfloat32m2_t b3 = __riscv_vlmul_trunc_f32m2(__riscv_vrgatherei16(temp, vidx3, VTraits<vuint8m2_t>::vlanes()));
 
     // vector add
     v_float32 res = __riscv_vfadd(
-        __riscv_vfadd(b0, b1, VTraits<vfloat32m1_t>::vlanes()),
-        __riscv_vfadd(b2, b3, VTraits<vfloat32m1_t>::vlanes()),
-        VTraits<vfloat32m1_t>::vlanes()
+        __riscv_vfadd(b0, b1, VTraits<vfloat32m2_t>::vlanes()),
+        __riscv_vfadd(b2, b3, VTraits<vfloat32m2_t>::vlanes()),
+        VTraits<vfloat32m2_t>::vlanes()
     );
     return res;
 }
@@ -1294,7 +1250,7 @@ inline v_float16 v_muladd(const v_float16& a, const v_float16& b, const v_float1
 #if CV_SIMD_SCALABLE_64F
 inline v_float64 v_fma(const v_float64& a, const v_float64& b, const v_float64& c)
 {
-    return __riscv_vfmacc_vv_f64m1(c, a, b, VTraits<v_float64>::vlanes());
+    return __riscv_vfmacc_vv_f64m2(c, a, b, VTraits<v_float64>::vlanes());
 }
 
 inline v_float64 v_muladd(const v_float64& a, const v_float64& b, const v_float64& c)
@@ -1384,7 +1340,7 @@ OPENCV_HAL_IMPL_RVV_ABSDIFF(v_int16, absdiffs)
 #define OPENCV_HAL_IMPL_RVV_ABSDIFF_S(_Tpvec, _rTpvec, width) \
 inline _rTpvec v_absdiff(const _Tpvec& a, const _Tpvec& b) \
 { \
-    return __riscv_vnclipu(__riscv_vreinterpret_u##width##m2(__riscv_vwsub_vv(v_max(a, b), v_min(a, b), VTraits<_Tpvec>::vlanes())), 0, 0, VTraits<_Tpvec>::vlanes()); \
+    return __riscv_vnclipu(__riscv_vreinterpret_u##width##m4(__riscv_vwsub_vv(v_max(a, b), v_min(a, b), VTraits<_Tpvec>::vlanes())), 0, 0, VTraits<_Tpvec>::vlanes()); \
 }
 
 OPENCV_HAL_IMPL_RVV_ABSDIFF_S(v_int8, v_uint8, 16)
@@ -1465,7 +1421,7 @@ template<int n> inline _Tpvec v_rotate_right(const _Tpvec& a) \
 } \
 template<int n> inline _Tpvec v_rotate_left(const _Tpvec& a) \
 { \
-    return __riscv_vslideup(__riscv_vmv_v_x_##suffix##m1(0, vl), a, n, vl); \
+    return __riscv_vslideup(__riscv_vmv_v_x_##suffix##m2(0, vl), a, n, vl); \
 } \
 template<> inline _Tpvec v_rotate_left<0>(const _Tpvec& a) \
 { return a; } \
@@ -1496,7 +1452,7 @@ template<int n> inline _Tpvec v_rotate_right(const _Tpvec& a) \
 } \
 template<int n> inline _Tpvec v_rotate_left(const _Tpvec& a) \
 { \
-    return __riscv_vslideup(__riscv_vfmv_v_f_##suffix##m1(0, vl), a, n, vl); \
+    return __riscv_vslideup(__riscv_vfmv_v_f_##suffix##m2(0, vl), a, n, vl); \
 } \
 template<> inline _Tpvec v_rotate_left<0>(const _Tpvec& a) \
 { return a; } \
@@ -1524,11 +1480,11 @@ OPENCV_HAL_IMPL_RVV_ROTATE_FP(v_float64, f64,  VTraits<v_float64>::vlanes())
 #if CV_SIMD_SCALABLE_FP16
 inline v_float16 v_cvt_f16(const v_float32 &a)
 {
-    return __riscv_vfncvt_f(__riscv_vlmul_ext_f32m2(a), VTraits<v_float32>::vlanes());
+    return __riscv_vfncvt_f(__riscv_vlmul_ext_f32m4(a), VTraits<v_float32>::vlanes());
 }
 inline v_float16 v_cvt_f16(const v_float32 &a, const v_float32 &b)
 {
-    return __riscv_vfncvt_f(__riscv_vset(__riscv_vlmul_ext_f32m2(a),1,b), VTraits<v_float16>::vlanes());
+    return __riscv_vfncvt_f(__riscv_vset(__riscv_vlmul_ext_f32m4(a),1,b), VTraits<v_float16>::vlanes());
 }
 inline v_float16 v_cvt_f16(const v_int16 &a)
 {
@@ -1536,48 +1492,48 @@ inline v_float16 v_cvt_f16(const v_int16 &a)
 }
 inline v_float32 v_cvt_f32(const v_float16 &a)
 {
-    return __riscv_vget_f32m1(__riscv_vfwcvt_f(a, VTraits<v_float16>::vlanes()), 0);
+    return __riscv_vget_f32m2(__riscv_vfwcvt_f(a, VTraits<v_float16>::vlanes()), 0);
 }
 inline v_float32 v_cvt_f32_high(const v_float16 &a)
 {
-    return __riscv_vget_f32m1(__riscv_vfwcvt_f(a, VTraits<v_float16>::vlanes()), 1);
+    return __riscv_vget_f32m2(__riscv_vfwcvt_f(a, VTraits<v_float16>::vlanes()), 1);
 }
 #endif
 
 inline v_float32 v_cvt_f32(const v_int32& a)
 {
-    return __riscv_vfcvt_f_x_v_f32m1(a, VTraits<v_float32>::vlanes());
+    return __riscv_vfcvt_f_x_v_f32m2(a, VTraits<v_float32>::vlanes());
 }
 
 #if CV_SIMD_SCALABLE_64F
 inline v_float32 v_cvt_f32(const v_float64& a)
 {
-    return __riscv_vfncvt_f(__riscv_vlmul_ext_f64m2(a), VTraits<v_float64>::vlanes());
+    return __riscv_vfncvt_f(__riscv_vlmul_ext_f64m4(a), VTraits<v_float64>::vlanes());
 }
 
 inline v_float32 v_cvt_f32(const v_float64& a, const v_float64& b)
 {
-    return __riscv_vfncvt_f(__riscv_vset(__riscv_vlmul_ext_f64m2(a),1,b), VTraits<v_float32>::vlanes());
+    return __riscv_vfncvt_f(__riscv_vset(__riscv_vlmul_ext_f64m4(a),1,b), VTraits<v_float32>::vlanes());
 }
 
 inline v_float64 v_cvt_f64(const v_int32& a)
 {
-    return __riscv_vget_f64m1(__riscv_vfwcvt_f(a, VTraits<v_int32>::vlanes()), 0);
+    return __riscv_vget_f64m2(__riscv_vfwcvt_f(a, VTraits<v_int32>::vlanes()), 0);
 }
 
 inline v_float64 v_cvt_f64_high(const v_int32& a)
 {
-    return __riscv_vget_f64m1(__riscv_vfwcvt_f(a, VTraits<v_int32>::vlanes()), 1);
+    return __riscv_vget_f64m2(__riscv_vfwcvt_f(a, VTraits<v_int32>::vlanes()), 1);
 }
 
 inline v_float64 v_cvt_f64(const v_float32& a)
 {
-    return __riscv_vget_f64m1(__riscv_vfwcvt_f(a, VTraits<v_float32>::vlanes()), 0);
+    return __riscv_vget_f64m2(__riscv_vfwcvt_f(a, VTraits<v_float32>::vlanes()), 0);
 }
 
 inline v_float64 v_cvt_f64_high(const v_float32& a)
 {
-    return __riscv_vget_f64m1(__riscv_vfwcvt_f(a, VTraits<v_float32>::vlanes()), 1);
+    return __riscv_vget_f64m2(__riscv_vfwcvt_f(a, VTraits<v_float32>::vlanes()), 1);
 }
 
 inline v_float64 v_cvt_f64(const v_int64& a)
@@ -1610,7 +1566,7 @@ OPENCV_HAL_IMPL_RVV_BROADCAST(v_float32, f32)
 #define OPENCV_HAL_IMPL_RVV_REVERSE(_Tpvec, width) \
 inline _Tpvec v_reverse(const _Tpvec& a)  \
 { \
-    vuint##width##m1_t vidx = __riscv_vrsub(__riscv_vid_v_u##width##m1(VTraits<_Tpvec>::vlanes()), VTraits<_Tpvec>::vlanes()-1, VTraits<_Tpvec>::vlanes()); \
+    vuint##width##m2_t vidx = __riscv_vrsub(__riscv_vid_v_u##width##m2(VTraits<_Tpvec>::vlanes()), VTraits<_Tpvec>::vlanes()-1, VTraits<_Tpvec>::vlanes()); \
     return __riscv_vrgather(a, vidx, VTraits<_Tpvec>::vlanes()); \
 }
 OPENCV_HAL_IMPL_RVV_REVERSE(v_uint8, 8)
@@ -1635,79 +1591,79 @@ OPENCV_HAL_IMPL_RVV_REVERSE(v_float64, 64)
 inline void v_expand(const _Tpvec& a, _Tpwvec& b0, _Tpwvec& b1) \
 { \
     _Tpwvec_m2 temp = cvt(a, VTraits<_Tpvec>::vlanes()); \
-    b0 = __riscv_vget_##suffix##m1(temp, 0); \
-    b1 = __riscv_vget_##suffix##m1(temp, 1); \
+    b0 = __riscv_vget_##suffix##m2(temp, 0); \
+    b1 = __riscv_vget_##suffix##m2(temp, 1); \
 } \
 inline _Tpwvec v_expand_low(const _Tpvec& a) \
 { \
     _Tpwvec_m2 temp = cvt(a, VTraits<_Tpvec>::vlanes()); \
-    return __riscv_vget_##suffix##m1(temp, 0); \
+    return __riscv_vget_##suffix##m2(temp, 0); \
 } \
 inline _Tpwvec v_expand_high(const _Tpvec& a) \
 { \
     _Tpwvec_m2 temp = cvt(a, VTraits<_Tpvec>::vlanes()); \
-    return __riscv_vget_##suffix##m1(temp, 1); \
+    return __riscv_vget_##suffix##m2(temp, 1); \
 } \
 inline _Tpwvec v_load_expand(const _Tp* ptr) \
 { \
-    return cvt(__riscv_vle##width##_v_##suffix2##mf2(ptr, VTraits<_Tpvec>::vlanes()), VTraits<_Tpvec>::vlanes()); \
+    return cvt(__riscv_vle##width##_v_##suffix2##m1(ptr, VTraits<_Tpvec>::vlanes()), VTraits<_Tpvec>::vlanes()); \
 }
 
-OPENCV_HAL_IMPL_RVV_EXPAND(uchar, v_uint16, vuint16m2_t, v_uint8, 8, u16, u8, __riscv_vwcvtu_x)
-OPENCV_HAL_IMPL_RVV_EXPAND(schar, v_int16, vint16m2_t, v_int8, 8, i16, i8, __riscv_vwcvt_x)
-OPENCV_HAL_IMPL_RVV_EXPAND(ushort, v_uint32, vuint32m2_t, v_uint16, 16, u32, u16, __riscv_vwcvtu_x)
-OPENCV_HAL_IMPL_RVV_EXPAND(short, v_int32, vint32m2_t, v_int16, 16, i32, i16, __riscv_vwcvt_x)
-OPENCV_HAL_IMPL_RVV_EXPAND(uint, v_uint64, vuint64m2_t, v_uint32, 32, u64, u32, __riscv_vwcvtu_x)
-OPENCV_HAL_IMPL_RVV_EXPAND(int, v_int64, vint64m2_t, v_int32, 32, i64, i32, __riscv_vwcvt_x)
+OPENCV_HAL_IMPL_RVV_EXPAND(uchar, v_uint16, vuint16m4_t, v_uint8, 8, u16, u8, __riscv_vwcvtu_x)
+OPENCV_HAL_IMPL_RVV_EXPAND(schar, v_int16, vint16m4_t, v_int8, 8, i16, i8, __riscv_vwcvt_x)
+OPENCV_HAL_IMPL_RVV_EXPAND(ushort, v_uint32, vuint32m4_t, v_uint16, 16, u32, u16, __riscv_vwcvtu_x)
+OPENCV_HAL_IMPL_RVV_EXPAND(short, v_int32, vint32m4_t, v_int16, 16, i32, i16, __riscv_vwcvt_x)
+OPENCV_HAL_IMPL_RVV_EXPAND(uint, v_uint64, vuint64m4_t, v_uint32, 32, u64, u32, __riscv_vwcvtu_x)
+OPENCV_HAL_IMPL_RVV_EXPAND(int, v_int64, vint64m4_t, v_int32, 32, i64, i32, __riscv_vwcvt_x)
 
 inline v_uint32 v_load_expand_q(const uchar* ptr)
 {
-    return __riscv_vwcvtu_x(__riscv_vwcvtu_x(__riscv_vle8_v_u8mf4(ptr, VTraits<v_uint32>::vlanes()), VTraits<v_uint32>::vlanes()), VTraits<v_uint32>::vlanes());
+    return __riscv_vwcvtu_x(__riscv_vwcvtu_x(__riscv_vle8_v_u8mf2(ptr, VTraits<v_uint32>::vlanes()), VTraits<v_uint32>::vlanes()), VTraits<v_uint32>::vlanes());
 }
 
 inline v_int32 v_load_expand_q(const schar* ptr)
 {
-    return __riscv_vwcvt_x(__riscv_vwcvt_x(__riscv_vle8_v_i8mf4(ptr, VTraits<v_int32>::vlanes()), VTraits<v_int32>::vlanes()), VTraits<v_int32>::vlanes());
+    return __riscv_vwcvt_x(__riscv_vwcvt_x(__riscv_vle8_v_i8mf2(ptr, VTraits<v_int32>::vlanes()), VTraits<v_int32>::vlanes()), VTraits<v_int32>::vlanes());
 }
 
 #define OPENCV_HAL_IMPL_RVV_PACK(_Tpvec, _Tp, _wTpvec, hwidth, hsuffix, suffix, rshr, shr) \
 inline _Tpvec v_pack(const _wTpvec& a, const _wTpvec& b) \
 { \
-    return shr(__riscv_vset(__riscv_vlmul_ext_##suffix##m2(a), 1, b), 0, 0, VTraits<_Tpvec>::vlanes()); \
+    return shr(__riscv_vset(__riscv_vlmul_ext_##suffix##m4(a), 1, b), 0, 0, VTraits<_Tpvec>::vlanes()); \
 } \
 inline void v_pack_store(_Tp* ptr, const _wTpvec& a) \
 { \
-    __riscv_vse##hwidth##_v_##hsuffix##mf2(ptr, shr(a, 0, 0, VTraits<_Tpvec>::vlanes()), VTraits<_wTpvec>::vlanes()); \
+    __riscv_vse##hwidth##_v_##hsuffix##m1(ptr, shr(a, 0, 0, VTraits<_Tpvec>::vlanes()), VTraits<_wTpvec>::vlanes()); \
 } \
 template<int n = 0> inline \
 _Tpvec v_rshr_pack(const _wTpvec& a, const _wTpvec& b, int N = n) \
 { \
-    return rshr(__riscv_vset(__riscv_vlmul_ext_##suffix##m2(a), 1, b), N, 0, VTraits<_Tpvec>::vlanes()); \
+    return rshr(__riscv_vset(__riscv_vlmul_ext_##suffix##m4(a), 1, b), N, 0, VTraits<_Tpvec>::vlanes()); \
 } \
 template<int n = 0> inline \
 void v_rshr_pack_store(_Tp* ptr, const _wTpvec& a, int N = n) \
 { \
-    __riscv_vse##hwidth##_v_##hsuffix##mf2(ptr, rshr(a, N, 0, VTraits<_Tpvec>::vlanes()), VTraits<_wTpvec>::vlanes()); \
+    __riscv_vse##hwidth##_v_##hsuffix##m1(ptr, rshr(a, N, 0, VTraits<_Tpvec>::vlanes()), VTraits<_wTpvec>::vlanes()); \
 }
 
 #define OPENCV_HAL_IMPL_RVV_PACK_32(_Tpvec, _Tp, _wTpvec, hwidth, hsuffix, suffix, rshr, shr) \
 inline _Tpvec v_pack(const _wTpvec& a, const _wTpvec& b) \
 { \
-    return shr(__riscv_vset(__riscv_vlmul_ext_##suffix##m2(a), 1, b), 0, VTraits<_Tpvec>::vlanes()); \
+    return shr(__riscv_vset(__riscv_vlmul_ext_##suffix##m4(a), 1, b), 0, VTraits<_Tpvec>::vlanes()); \
 } \
 inline void v_pack_store(_Tp* ptr, const _wTpvec& a) \
 { \
-    __riscv_vse##hwidth##_v_##hsuffix##mf2(ptr, shr(a, 0, VTraits<_Tpvec>::vlanes()), VTraits<_wTpvec>::vlanes()); \
+    __riscv_vse##hwidth##_v_##hsuffix##m1(ptr, shr(a, 0, VTraits<_Tpvec>::vlanes()), VTraits<_wTpvec>::vlanes()); \
 } \
 template<int n = 0> inline \
 _Tpvec v_rshr_pack(const _wTpvec& a, const _wTpvec& b, int N = n) \
 { \
-    return rshr(__riscv_vset(__riscv_vlmul_ext_##suffix##m2(a), 1, b), N, 0, VTraits<_Tpvec>::vlanes()); \
+    return rshr(__riscv_vset(__riscv_vlmul_ext_##suffix##m4(a), 1, b), N, 0, VTraits<_Tpvec>::vlanes()); \
 } \
 template<int n = 0> inline \
 void v_rshr_pack_store(_Tp* ptr, const _wTpvec& a, int N = n) \
 { \
-    __riscv_vse##hwidth##_v_##hsuffix##mf2(ptr, rshr(a, N, 0, VTraits<_Tpvec>::vlanes()), VTraits<_wTpvec>::vlanes()); \
+    __riscv_vse##hwidth##_v_##hsuffix##m1(ptr, rshr(a, N, 0, VTraits<_Tpvec>::vlanes()), VTraits<_wTpvec>::vlanes()); \
 }
 
 OPENCV_HAL_IMPL_RVV_PACK(v_uint8, uchar, v_uint16, 8, u8, u16, __riscv_vnclipu, __riscv_vnclipu)
@@ -1720,25 +1676,25 @@ OPENCV_HAL_IMPL_RVV_PACK_32(v_int32, int, v_int64, 32, i32, i64, __riscv_vnclip,
 #define OPENCV_HAL_IMPL_RVV_PACK_U(_Tpvec, _Tp, _wTpvec, _wTp, hwidth, width, hsuffix, suffix, cast, hvl, vl) \
 inline _Tpvec v_pack_u(const _wTpvec& a, const _wTpvec& b) \
 { \
-    return __riscv_vnclipu(cast(__riscv_vmax(__riscv_vset(__riscv_vlmul_ext_##suffix##m2(a), 1, b), 0, vl)), 0, 0, vl); \
+    return __riscv_vnclipu(cast(__riscv_vmax(__riscv_vset(__riscv_vlmul_ext_##suffix##m4(a), 1, b), 0, vl)), 0, 0, vl); \
 } \
 inline void v_pack_u_store(_Tp* ptr, const _wTpvec& a) \
 { \
-    __riscv_vse##hwidth##_v_##hsuffix##mf2(ptr, __riscv_vnclipu(__riscv_vreinterpret_u##width##m1(__riscv_vmax(a, 0, vl)), 0, 0, vl), hvl); \
+    __riscv_vse##hwidth##_v_##hsuffix##m1(ptr, __riscv_vnclipu(__riscv_vreinterpret_u##width##m2(__riscv_vmax(a, 0, vl)), 0, 0, vl), hvl); \
 } \
 template<int N = 0> inline \
 _Tpvec v_rshr_pack_u(const _wTpvec& a, const _wTpvec& b, int n = N) \
 { \
-    return __riscv_vnclipu(cast(__riscv_vmax(__riscv_vset(__riscv_vlmul_ext_##suffix##m2(a), 1, b), 0, vl)), n, 0, vl); \
+    return __riscv_vnclipu(cast(__riscv_vmax(__riscv_vset(__riscv_vlmul_ext_##suffix##m4(a), 1, b), 0, vl)), n, 0, vl); \
 } \
 template<int N = 0> inline \
 void v_rshr_pack_u_store(_Tp* ptr, const _wTpvec& a, int n = N) \
 { \
-    __riscv_vse##hwidth##_v_##hsuffix##mf2(ptr, __riscv_vnclipu(__riscv_vreinterpret_u##width##m1(__riscv_vmax(a, 0, vl)), n, 0, vl), hvl); \
+    __riscv_vse##hwidth##_v_##hsuffix##m1(ptr, __riscv_vnclipu(__riscv_vreinterpret_u##width##m2(__riscv_vmax(a, 0, vl)), n, 0, vl), hvl); \
 }
 
-OPENCV_HAL_IMPL_RVV_PACK_U(v_uint8, uchar, v_int16, short, 8, 16, u8, i16, __riscv_vreinterpret_v_i16m2_u16m2, VTraits<v_int16>::vlanes(), VTraits<v_uint8>::vlanes())
-OPENCV_HAL_IMPL_RVV_PACK_U(v_uint16, ushort, v_int32, int, 16, 32, u16, i32,  __riscv_vreinterpret_v_i32m2_u32m2, VTraits<v_int32>::vlanes(), VTraits<v_uint16>::vlanes())
+OPENCV_HAL_IMPL_RVV_PACK_U(v_uint8, uchar, v_int16, short, 8, 16, u8, i16, __riscv_vreinterpret_v_i16m4_u16m4, VTraits<v_int16>::vlanes(), VTraits<v_uint8>::vlanes())
+OPENCV_HAL_IMPL_RVV_PACK_U(v_uint16, ushort, v_int32, int, 16, 32, u16, i32,  __riscv_vreinterpret_v_i32m4_u32m4, VTraits<v_int32>::vlanes(), VTraits<v_uint16>::vlanes())
 
 
 /* void v_zip(const _Tpvec& a0, const _Tpvec& a1, _Tpvec& b0, _Tpvec& b1)
@@ -1750,41 +1706,41 @@ OPENCV_HAL_IMPL_RVV_PACK_U(v_uint16, ushort, v_int32, int, 16, 32, u16, i32,  __
 
 #define OPENCV_HAL_IMPL_RVV_ZIP(_Tpvec, _wTpvec, suffix, width, width2, convert2um2, convert2um1) \
 inline void v_zip(const _Tpvec& a0, const _Tpvec& a1, _Tpvec& b0, _Tpvec& b1) { \
-    _wTpvec temp = __riscv_vreinterpret_##suffix##m2(convert2um2( \
+    _wTpvec temp = __riscv_vreinterpret_##suffix##m4(convert2um2( \
         __riscv_vor(__riscv_vzext_vf2(convert2um1(a0), VTraits<_Tpvec>::vlanes()*2), \
-            __riscv_vreinterpret_u##width2##m2(__riscv_vslide1up(__riscv_vreinterpret_u##width##m2(__riscv_vzext_vf2(convert2um1(a1), VTraits<_Tpvec>::vlanes()*2)), 0, VTraits<_Tpvec>::vlanes()*2)), \
+            __riscv_vreinterpret_u##width2##m4(__riscv_vslide1up(__riscv_vreinterpret_u##width##m4(__riscv_vzext_vf2(convert2um1(a1), VTraits<_Tpvec>::vlanes()*2)), 0, VTraits<_Tpvec>::vlanes()*2)), \
             VTraits<_Tpvec>::vlanes()))); \
-    b0 = __riscv_vget_##suffix##m1(temp, 0); \
-    b1 = __riscv_vget_##suffix##m1(temp, 1); \
+    b0 = __riscv_vget_##suffix##m2(temp, 0); \
+    b1 = __riscv_vget_##suffix##m2(temp, 1); \
 }
-OPENCV_HAL_IMPL_RVV_ZIP(v_uint8, vuint8m2_t, u8, 8, 16, OPENCV_HAL_NOP, OPENCV_HAL_NOP)
-OPENCV_HAL_IMPL_RVV_ZIP(v_int8, vint8m2_t, i8, 8, 16, __riscv_vreinterpret_u8m2, __riscv_vreinterpret_u8m1)
-OPENCV_HAL_IMPL_RVV_ZIP(v_uint16, vuint16m2_t, u16, 16, 32, OPENCV_HAL_NOP, OPENCV_HAL_NOP)
-OPENCV_HAL_IMPL_RVV_ZIP(v_int16, vint16m2_t, i16, 16, 32, __riscv_vreinterpret_u16m2, __riscv_vreinterpret_u16m1)
+OPENCV_HAL_IMPL_RVV_ZIP(v_uint8, vuint8m4_t, u8, 8, 16, OPENCV_HAL_NOP, OPENCV_HAL_NOP)
+OPENCV_HAL_IMPL_RVV_ZIP(v_int8, vint8m4_t, i8, 8, 16, __riscv_vreinterpret_u8m4, __riscv_vreinterpret_u8m2)
+OPENCV_HAL_IMPL_RVV_ZIP(v_uint16, vuint16m4_t, u16, 16, 32, OPENCV_HAL_NOP, OPENCV_HAL_NOP)
+OPENCV_HAL_IMPL_RVV_ZIP(v_int16, vint16m4_t, i16, 16, 32, __riscv_vreinterpret_u16m4, __riscv_vreinterpret_u16m2)
 #if CV_SIMD_SCALABLE_FP16
-OPENCV_HAL_IMPL_RVV_ZIP(v_float16, vfloat16m2_t, f16, 16, 32, __riscv_vreinterpret_u16m2, __riscv_vreinterpret_u16m1)
+OPENCV_HAL_IMPL_RVV_ZIP(v_float16, vfloat16m4_t, f16, 16, 32, __riscv_vreinterpret_u16m4, __riscv_vreinterpret_u16m2)
 #endif
-OPENCV_HAL_IMPL_RVV_ZIP(v_uint32, vuint32m2_t, u32, 32, 64, OPENCV_HAL_NOP, OPENCV_HAL_NOP)
-OPENCV_HAL_IMPL_RVV_ZIP(v_int32, vint32m2_t, i32, 32, 64, __riscv_vreinterpret_u32m2, __riscv_vreinterpret_u32m1)
-OPENCV_HAL_IMPL_RVV_ZIP(v_float32, vfloat32m2_t, f32, 32, 64, __riscv_vreinterpret_u32m2, __riscv_vreinterpret_u32m1)
+OPENCV_HAL_IMPL_RVV_ZIP(v_uint32, vuint32m4_t, u32, 32, 64, OPENCV_HAL_NOP, OPENCV_HAL_NOP)
+OPENCV_HAL_IMPL_RVV_ZIP(v_int32, vint32m4_t, i32, 32, 64, __riscv_vreinterpret_u32m4, __riscv_vreinterpret_u32m2)
+OPENCV_HAL_IMPL_RVV_ZIP(v_float32, vfloat32m4_t, f32, 32, 64, __riscv_vreinterpret_u32m4, __riscv_vreinterpret_u32m2)
 
 #if CV_SIMD_SCALABLE_64F
 inline void v_zip(const v_float64& a0, const v_float64& a1, v_float64& b0, v_float64& b1) { \
-    vuint16mf4_t idx0 = __riscv_vid_v_u16mf4(VTraits<v_float64>::vlanes());
-    vuint16mf4_t idx1 = __riscv_vadd(idx0, VTraits<v_float64>::vlanes(), VTraits<v_float64>::vlanes());
-    vuint16mf2_t idx = __riscv_vreinterpret_u16mf2(( \
+    vuint16mf2_t idx0 = __riscv_vid_v_u16mf2(VTraits<v_float64>::vlanes());
+    vuint16mf2_t idx1 = __riscv_vadd(idx0, VTraits<v_float64>::vlanes(), VTraits<v_float64>::vlanes());
+    vuint16m1_t idx = __riscv_vreinterpret_u16m1(( \
         __riscv_vor(__riscv_vzext_vf2(idx0, VTraits<v_float64>::vlanes()), \
-            __riscv_vreinterpret_u32mf2(__riscv_vslide1up(__riscv_vreinterpret_u16mf2(__riscv_vzext_vf2(idx1, VTraits<v_float64>::vlanes())), 0, VTraits<v_uint32>::vlanes())), \
+            __riscv_vreinterpret_u32m1(__riscv_vslide1up(__riscv_vreinterpret_u16m1(__riscv_vzext_vf2(idx1, VTraits<v_float64>::vlanes())), 0, VTraits<v_uint32>::vlanes())), \
             VTraits<v_uint32>::vlanes())));
 #if 0
-    vfloat64m2_t temp = __riscv_vcreate_v_f64m1_f64m2(a0, a1);
+    vfloat64m4_t temp = __riscv_vcreate_v_f64m2_f64m4(a0, a1);
 #else // TODO: clean up when RVV Intrinsic is frozen.
-    vfloat64m2_t temp = __riscv_vlmul_ext_f64m2(a0);
+    vfloat64m4_t temp = __riscv_vlmul_ext_f64m4(a0);
     temp = __riscv_vset(temp, 1, a1);
 #endif
     temp = __riscv_vrgatherei16(temp, idx, VTraits<v_float64>::vlanes()*2);
-    b0 = __riscv_vget_f64m1(temp, 0); \
-    b1 = __riscv_vget_f64m1(temp, 1); \
+    b0 = __riscv_vget_f64m2(temp, 0); \
+    b1 = __riscv_vget_f64m2(temp, 1); \
 }
 #endif
 
@@ -1824,23 +1780,23 @@ OPENCV_HAL_IMPL_RVV_UNPACKS(v_float64, 64)
 #define OPENCV_HAL_IMPL_RVV_INTERLEAVED(_Tpvec, _Tp, _TpCast, suffix, width, hwidth, vl) \
 inline void v_load_deinterleave(const _Tp* ptr, v_##_Tpvec& a, v_##_Tpvec& b) \
 { \
-    a = __riscv_vlse##width##_v_##suffix##m1((_TpCast *)ptr  , sizeof(_Tp)*2, VTraits<v_##_Tpvec>::vlanes()); \
-    b = __riscv_vlse##width##_v_##suffix##m1((_TpCast *)(ptr+1), sizeof(_Tp)*2, VTraits<v_##_Tpvec>::vlanes()); \
+    a = __riscv_vlse##width##_v_##suffix##m2((_TpCast *)ptr  , sizeof(_Tp)*2, VTraits<v_##_Tpvec>::vlanes()); \
+    b = __riscv_vlse##width##_v_##suffix##m2((_TpCast *)(ptr+1), sizeof(_Tp)*2, VTraits<v_##_Tpvec>::vlanes()); \
 }\
 inline void v_load_deinterleave(const _Tp* ptr, v_##_Tpvec& a, v_##_Tpvec& b, v_##_Tpvec& c) \
 { \
-    a = __riscv_vlse##width##_v_##suffix##m1((_TpCast *)ptr  , sizeof(_Tp)*3, VTraits<v_##_Tpvec>::vlanes()); \
-    b = __riscv_vlse##width##_v_##suffix##m1((_TpCast *)(ptr+1), sizeof(_Tp)*3, VTraits<v_##_Tpvec>::vlanes()); \
-    c = __riscv_vlse##width##_v_##suffix##m1((_TpCast *)(ptr+2), sizeof(_Tp)*3, VTraits<v_##_Tpvec>::vlanes()); \
+    a = __riscv_vlse##width##_v_##suffix##m2((_TpCast *)ptr  , sizeof(_Tp)*3, VTraits<v_##_Tpvec>::vlanes()); \
+    b = __riscv_vlse##width##_v_##suffix##m2((_TpCast *)(ptr+1), sizeof(_Tp)*3, VTraits<v_##_Tpvec>::vlanes()); \
+    c = __riscv_vlse##width##_v_##suffix##m2((_TpCast *)(ptr+2), sizeof(_Tp)*3, VTraits<v_##_Tpvec>::vlanes()); \
 } \
 inline void v_load_deinterleave(const _Tp* ptr, v_##_Tpvec& a, v_##_Tpvec& b, \
                                 v_##_Tpvec& c, v_##_Tpvec& d) \
 { \
     \
-    a = __riscv_vlse##width##_v_##suffix##m1((_TpCast *)ptr  , sizeof(_Tp)*4, VTraits<v_##_Tpvec>::vlanes()); \
-    b = __riscv_vlse##width##_v_##suffix##m1((_TpCast *)(ptr+1), sizeof(_Tp)*4, VTraits<v_##_Tpvec>::vlanes()); \
-    c = __riscv_vlse##width##_v_##suffix##m1((_TpCast *)(ptr+2), sizeof(_Tp)*4, VTraits<v_##_Tpvec>::vlanes()); \
-    d = __riscv_vlse##width##_v_##suffix##m1((_TpCast *)(ptr+3), sizeof(_Tp)*4, VTraits<v_##_Tpvec>::vlanes()); \
+    a = __riscv_vlse##width##_v_##suffix##m2((_TpCast *)ptr  , sizeof(_Tp)*4, VTraits<v_##_Tpvec>::vlanes()); \
+    b = __riscv_vlse##width##_v_##suffix##m2((_TpCast *)(ptr+1), sizeof(_Tp)*4, VTraits<v_##_Tpvec>::vlanes()); \
+    c = __riscv_vlse##width##_v_##suffix##m2((_TpCast *)(ptr+2), sizeof(_Tp)*4, VTraits<v_##_Tpvec>::vlanes()); \
+    d = __riscv_vlse##width##_v_##suffix##m2((_TpCast *)(ptr+3), sizeof(_Tp)*4, VTraits<v_##_Tpvec>::vlanes()); \
 } \
 inline void v_store_interleave( _Tp* ptr, const v_##_Tpvec& a, const v_##_Tpvec& b, \
                                 hal::StoreMode /*mode*/=hal::STORE_UNALIGNED) \
@@ -1896,8 +1852,8 @@ static uint64_t idx_interleave_quads[] = { \
 #define OPENCV_HAL_IMPL_RVV_INTERLEAVED_PQ_NOEXPEND(_Tpvec, func) \
 inline _Tpvec v_interleave_##func(const _Tpvec& vec) { \
     CV_CheckLE(VTraits<_Tpvec>::vlanes(), VTraits<_Tpvec>::max_nlanes, "RVV implementation only supports VLEN in the range [128, 1024]"); \
-    vuint8m1_t vidx = __riscv_vundefined_u8m1();\
-    vidx = __riscv_vreinterpret_u8m1(__riscv_vle64_v_u64m1(idx_interleave_##func, 16)); \
+    vuint8m2_t vidx = __riscv_vundefined_u8m2();\
+    vidx = __riscv_vreinterpret_u8m2(__riscv_vle64_v_u64m2(idx_interleave_##func, 16)); \
     return __riscv_vrgather(vec, vidx, VTraits<v_uint8>::vlanes()); \
 }
 OPENCV_HAL_IMPL_RVV_INTERLEAVED_PQ_NOEXPEND(v_uint8, pairs)
@@ -1908,8 +1864,8 @@ OPENCV_HAL_IMPL_RVV_INTERLEAVED_PQ_NOEXPEND(v_int8, quads)
 #define OPENCV_HAL_IMPL_RVV_INTERLEAVED_PQ(_Tpvec, width, vzext_vfx, func) \
 inline _Tpvec v_interleave_##func(const _Tpvec& vec) { \
     CV_CheckLE(VTraits<_Tpvec>::vlanes(), VTraits<_Tpvec>::max_nlanes, "RVV implementation only supports VLEN in the range [128, 1024]"); \
-    vuint##width##m1_t vidx = __riscv_vundefined_u##width##m1();\
-    vidx = __riscv_vget_u##width##m1(vzext_vfx(__riscv_vreinterpret_u8m1(__riscv_vle64_v_u64m1(idx_interleave_##func, 16)), VTraits<v_uint8>::vlanes()), 0); \
+    vuint##width##m2_t vidx = __riscv_vundefined_u##width##m2();\
+    vidx = __riscv_vget_u##width##m2(vzext_vfx(__riscv_vreinterpret_u8m2(__riscv_vle64_v_u64m2(idx_interleave_##func, 16)), VTraits<v_uint8>::vlanes()), 0); \
     return __riscv_vrgather(vec, vidx, VTraits<_Tpvec>::vlanes()); \
 }
 
@@ -1947,20 +1903,20 @@ static const unsigned char popCountTable[256] =
 };
 #define OPENCV_HAL_IMPL_RVV_HADD(_Tpvec, _Tpvec2, _Tm2, width, width2, suffix, add) \
 static inline _Tpvec2 v_hadd(_Tpvec a) { \
-    vuint##width2##m1_t oneX2 = __riscv_vmv_v_x_u##width2##m1(1, VTraits<v_uint##width2>::vlanes()); \
-    vuint##width##m1_t one = __riscv_vreinterpret_u##width##m1(oneX2); \
+    vuint##width2##m2_t oneX2 = __riscv_vmv_v_x_u##width2##m2(1, VTraits<v_uint##width2>::vlanes()); \
+    vuint##width##m2_t one = __riscv_vreinterpret_u##width##m2(oneX2); \
     _Tm2 res = add(a, __riscv_vslide1down(a, 0, VTraits<v_uint##width>::vlanes()), VTraits<v_uint##width>::vlanes()); \
-    return __riscv_vget_##suffix##m1(__riscv_vcompress(res, __riscv_vmseq(one, 1, VTraits<v_uint##width>::vlanes()), VTraits<v_uint##width>::vlanes()), 0); \
+    return __riscv_vget_##suffix##m2(__riscv_vcompress(res, __riscv_vmseq(one, 1, VTraits<v_uint##width>::vlanes()), VTraits<v_uint##width>::vlanes()), 0); \
 }
-OPENCV_HAL_IMPL_RVV_HADD(v_uint8, v_uint16, vuint16m2_t, 8, 16, u16, __riscv_vwaddu_vv)
-OPENCV_HAL_IMPL_RVV_HADD(v_uint16, v_uint32, vuint32m2_t, 16, 32, u32, __riscv_vwaddu_vv)
-OPENCV_HAL_IMPL_RVV_HADD(v_uint32, v_uint64, vuint64m2_t, 32, 64, u64, __riscv_vwaddu_vv)
-OPENCV_HAL_IMPL_RVV_HADD(v_int8, v_int16, vint16m2_t, 8, 16, i16, __riscv_vwadd_vv)
-OPENCV_HAL_IMPL_RVV_HADD(v_int16, v_int32, vint32m2_t, 16, 32, i32, __riscv_vwadd_vv)
-OPENCV_HAL_IMPL_RVV_HADD(v_int32, v_int64, vint64m2_t, 32, 64, i64, __riscv_vwadd_vv)
+OPENCV_HAL_IMPL_RVV_HADD(v_uint8, v_uint16, vuint16m4_t, 8, 16, u16, __riscv_vwaddu_vv)
+OPENCV_HAL_IMPL_RVV_HADD(v_uint16, v_uint32, vuint32m4_t, 16, 32, u32, __riscv_vwaddu_vv)
+OPENCV_HAL_IMPL_RVV_HADD(v_uint32, v_uint64, vuint64m4_t, 32, 64, u64, __riscv_vwaddu_vv)
+OPENCV_HAL_IMPL_RVV_HADD(v_int8, v_int16, vint16m4_t, 8, 16, i16, __riscv_vwadd_vv)
+OPENCV_HAL_IMPL_RVV_HADD(v_int16, v_int32, vint32m4_t, 16, 32, i32, __riscv_vwadd_vv)
+OPENCV_HAL_IMPL_RVV_HADD(v_int32, v_int64, vint64m4_t, 32, 64, i64, __riscv_vwadd_vv)
 
-OPENCV_HAL_IMPL_RVV_HADD(vint32m2_t, v_int32, vint32m2_t, 16, 32, i32, __riscv_vadd)
-OPENCV_HAL_IMPL_RVV_HADD(vint64m2_t, v_int64, vint64m2_t, 32, 64, i64, __riscv_vadd)
+OPENCV_HAL_IMPL_RVV_HADD(vint32m4_t, v_int32, vint32m4_t, 16, 32, i32, __riscv_vadd)
+OPENCV_HAL_IMPL_RVV_HADD(vint64m4_t, v_int64, vint64m4_t, 32, 64, i64, __riscv_vadd)
 
 inline v_uint8 v_popcount(const v_uint8& a)
 {
@@ -1968,15 +1924,15 @@ inline v_uint8 v_popcount(const v_uint8& a)
 }
 inline v_uint16 v_popcount(const v_uint16& a)
 {
-    return v_hadd(v_popcount(__riscv_vreinterpret_u8m1(a)));
+    return v_hadd(v_popcount(__riscv_vreinterpret_u8m2(a)));
 }
 inline v_uint32 v_popcount(const v_uint32& a)
 {
-    return v_hadd(v_hadd(v_popcount(__riscv_vreinterpret_u8m1(a))));
+    return v_hadd(v_hadd(v_popcount(__riscv_vreinterpret_u8m2(a))));
 }
 inline v_uint64 v_popcount(const v_uint64& a)
 {
-    return v_hadd(v_hadd(v_hadd(v_popcount(__riscv_vreinterpret_u8m1(a)))));
+    return v_hadd(v_hadd(v_hadd(v_popcount(__riscv_vreinterpret_u8m2(a)))));
 }
 
 inline v_uint8 v_popcount(const v_int8& a)
@@ -2057,23 +2013,23 @@ inline int v_scan_forward(const v_float64& a)
 #define OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(_Tpvec, v_trunc) \
 inline _Tpvec v_pack_triplets(const _Tpvec& vec) { \
     size_t vl = VTraits<v_uint8>::vlanes(); \
-    vuint32m1_t one = __riscv_vmv_v_x_u32m1(1, VTraits<v_uint32>::vlanes()); \
-    vuint8m1_t zero = __riscv_vmv_v_x_u8m1(0, vl); \
-    vuint8m1_t mask = __riscv_vreinterpret_u8m1(one); \
+    vuint32m2_t one = __riscv_vmv_v_x_u32m2(1, VTraits<v_uint32>::vlanes()); \
+    vuint8m2_t zero = __riscv_vmv_v_x_u8m2(0, vl); \
+    vuint8m2_t mask = __riscv_vreinterpret_u8m2(one); \
     return __riscv_vcompress(vec, __riscv_vmseq(v_trunc(__riscv_vslideup(zero, mask, 3, vl)), 0, vl), VTraits<_Tpvec>::vlanes()); \
 }
 
 OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_uint8, OPENCV_HAL_NOP)
 OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_int8, OPENCV_HAL_NOP)
-OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_uint16, __riscv_vlmul_trunc_u8mf2)
-OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_int16, __riscv_vlmul_trunc_u8mf2)
-OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_uint32, __riscv_vlmul_trunc_u8mf4)
-OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_int32, __riscv_vlmul_trunc_u8mf4)
-OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_float32, __riscv_vlmul_trunc_u8mf4)
-OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_uint64, __riscv_vlmul_trunc_u8mf8)
-OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_int64, __riscv_vlmul_trunc_u8mf8)
+OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_uint16, __riscv_vlmul_trunc_u8m1)
+OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_int16, __riscv_vlmul_trunc_u8m1)
+OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_uint32, __riscv_vlmul_trunc_u8mf2)
+OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_int32, __riscv_vlmul_trunc_u8mf2)
+OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_float32, __riscv_vlmul_trunc_u8mf2)
+OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_uint64, __riscv_vlmul_trunc_u8mf4)
+OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_int64, __riscv_vlmul_trunc_u8mf4)
 #if CV_SIMD_SCALABLE_64F
-OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_float64, __riscv_vlmul_trunc_u8mf8)
+OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_float64, __riscv_vlmul_trunc_u8mf4)
 #endif
 
 
@@ -2082,12 +2038,12 @@ OPENCV_HAL_IMPL_RVV_PACK_TRIPLETS(v_float64, __riscv_vlmul_trunc_u8mf8)
 #if defined(__riscv_zfh) && __riscv_zfh
 inline v_float32 v_load_expand(const hfloat* ptr)
 {
-    return __riscv_vfwcvt_f(__riscv_vle16_v_f16mf2((_Float16*)ptr, VTraits<v_float32>::vlanes()) ,VTraits<v_float32>::vlanes());;
+    return __riscv_vfwcvt_f(__riscv_vle16_v_f16m1((_Float16*)ptr, VTraits<v_float32>::vlanes()) ,VTraits<v_float32>::vlanes());;
 }
 
 inline void v_pack_store(hfloat* ptr, const v_float32& v)
 {
-    __riscv_vse16_v_f16mf2((_Float16*)ptr, __riscv_vfncvt_f_f_w_f16mf2(v, VTraits<v_float32>::vlanes()), VTraits<v_float32>::vlanes());
+    __riscv_vse16_v_f16m1((_Float16*)ptr, __riscv_vfncvt_f_f_w_f16m1(v, VTraits<v_float32>::vlanes()), VTraits<v_float32>::vlanes());
 }
 #else
 inline v_float32 v_load_expand(const hfloat* ptr)
@@ -2113,20 +2069,12 @@ inline v_int16 v_round(const v_float16& a)
 
 inline v_int16 v_floor(const v_float16& a)
 {
-#if defined(__riscv_v_intrinsic) && __riscv_v_intrinsic>11999
-    return __riscv_vfcvt_x_f_v_i16m1_rm(a, 1 /*RNE, round-to-nearest-even*/, VTraits<v_float16>::vlanes());
-#else
-    return __riscv_vfcvt_x(vfsub(a, 0.5f - 1e-5, VTraits<v_float16>::vlanes()), VTraits<v_float16>::vlanes());
-#endif
+    return __riscv_vfcvt_x_f_v_i16m2_rm(a, 1 /*RNE, round-to-nearest-even*/, VTraits<v_float16>::vlanes());
 }
 
 inline v_int16 v_ceil(const v_float16& a)
 {
-#if defined(__riscv_v_intrinsic) && __riscv_v_intrinsic>11999
-    return __riscv_vfcvt_x_f_v_i16m1_rm(a, 3 /*ROD, round-to-odd*/, VTraits<v_float16>::vlanes());
-#else
-    return __riscv_vfcvt_x(vfadd(a, 0.5f - 1e-5, VTraits<v_float16>::vlanes()), VTraits<v_float16>::vlanes());
-#endif
+    return __riscv_vfcvt_x_f_v_i16m2_rm(a, 3 /*ROD, round-to-odd*/, VTraits<v_float16>::vlanes());
 }
 
 inline v_int16 v_trunc(const v_float16& a)
@@ -2158,29 +2106,29 @@ inline v_int32 v_trunc(const v_float32& a)
 #if CV_SIMD_SCALABLE_64F
 inline v_int32 v_round(const v_float64& a)
 {
-    return __riscv_vfncvt_x(__riscv_vlmul_ext_f64m2(a), VTraits<v_float32>::vlanes());
+    return __riscv_vfncvt_x(__riscv_vlmul_ext_f64m4(a), VTraits<v_float32>::vlanes());
 }
 
 inline v_int32 v_round(const v_float64& a, const v_float64& b)
 {
     // return vfncvt_x(vset(vlmul_ext_f64m2(vfadd(a, 1e-6, VTraits<v_float64>::vlanes())), 1, b), VTraits<v_float32>::vlanes());
     // Fix https://github.com/opencv/opencv/issues/24746
-    return __riscv_vfncvt_x(__riscv_vset(__riscv_vlmul_ext_f64m2(a), 1, b), VTraits<v_float32>::vlanes());
+    return __riscv_vfncvt_x(__riscv_vset(__riscv_vlmul_ext_f64m4(a), 1, b), VTraits<v_float32>::vlanes());
 }
 
 inline v_int32 v_floor(const v_float64& a)
 {
-    return __riscv_vfncvt_x(__riscv_vlmul_ext_f64m2(__riscv_vfsub(a, 0.5f - 1e-6, VTraits<v_float64>::vlanes())), VTraits<v_float32>::vlanes());
+    return __riscv_vfncvt_x(__riscv_vlmul_ext_f64m4(__riscv_vfsub(a, 0.5f - 1e-6, VTraits<v_float64>::vlanes())), VTraits<v_float32>::vlanes());
 }
 
 inline v_int32 v_ceil(const v_float64& a)
 {
-    return __riscv_vfncvt_x(__riscv_vlmul_ext_f64m2(__riscv_vfadd(a, 0.5f - 1e-6, VTraits<v_float64>::vlanes())), VTraits<v_float32>::vlanes());
+    return __riscv_vfncvt_x(__riscv_vlmul_ext_f64m4(__riscv_vfadd(a, 0.5f - 1e-6, VTraits<v_float64>::vlanes())), VTraits<v_float32>::vlanes());
 }
 
 inline v_int32 v_trunc(const v_float64& a)
 {
-    return __riscv_vfncvt_rtz_x(__riscv_vlmul_ext_f64m2(a), VTraits<v_float32>::vlanes());
+    return __riscv_vfncvt_rtz_x(__riscv_vlmul_ext_f64m4(a), VTraits<v_float32>::vlanes());
 }
 #endif
 
@@ -2189,154 +2137,154 @@ inline v_int32 v_trunc(const v_float64& a)
 // 16 >> 32
 inline v_int32 v_dotprod(const v_int16& a, const v_int16& b)
 {
-    vint32m2_t temp1 = __riscv_vwmul(a, b, VTraits<v_int16>::vlanes());
+    vint32m4_t temp1 = __riscv_vwmul(a, b, VTraits<v_int16>::vlanes());
     return v_hadd(temp1);
 }
 
 inline v_int32 v_dotprod(const v_int16& a, const v_int16& b, const v_int32& c)
 {
-    vint32m2_t temp1 = __riscv_vwmul(a, b, VTraits<v_int16>::vlanes());
+    vint32m4_t temp1 = __riscv_vwmul(a, b, VTraits<v_int16>::vlanes());
     return __riscv_vadd(v_hadd(temp1), c, VTraits<v_int32>::vlanes());
 }
 
 // 32 >> 64
 inline v_int64 v_dotprod(const v_int32& a, const v_int32& b)
 {
-    vuint64m1_t one64 = __riscv_vmv_v_x_u64m1(1, VTraits<v_uint64>::vlanes()); \
-    vuint32m1_t one32 = __riscv_vreinterpret_u32m1(one64); \
-    vbool32_t mask = __riscv_vmseq(one32, 1, VTraits<v_uint32>::vlanes()); \
-    vint64m2_t temp1 = __riscv_vwmul(a, b, VTraits<v_int32>::vlanes()); \
-    vint64m2_t temp2 = __riscv_vslide1down(temp1, 0, VTraits<v_int32>::vlanes());
-    vint64m2_t res = __riscv_vadd(temp1, temp2, VTraits<v_int32>::vlanes());
+    vuint64m2_t one64 = __riscv_vmv_v_x_u64m2(1, VTraits<v_uint64>::vlanes()); \
+    vuint32m2_t one32 = __riscv_vreinterpret_u32m2(one64); \
+    vbool16_t mask = __riscv_vmseq(one32, 1, VTraits<v_uint32>::vlanes()); \
+    vint64m4_t temp1 = __riscv_vwmul(a, b, VTraits<v_int32>::vlanes()); \
+    vint64m4_t temp2 = __riscv_vslide1down(temp1, 0, VTraits<v_int32>::vlanes());
+    vint64m4_t res = __riscv_vadd(temp1, temp2, VTraits<v_int32>::vlanes());
     res = __riscv_vcompress(res, mask, VTraits<v_int32>::vlanes()); \
-    return __riscv_vlmul_trunc_i64m1(res); \
+    return __riscv_vlmul_trunc_i64m2(res); \
 }
 inline v_int64 v_dotprod(const v_int32& a, const v_int32& b, const v_int64& c)
 {
-    vuint64m1_t one64 = __riscv_vmv_v_x_u64m1(1, VTraits<v_uint64>::vlanes()); \
-    vuint32m1_t one32 = __riscv_vreinterpret_u32m1(one64); \
-    vbool32_t mask = __riscv_vmseq(one32, 1, VTraits<v_uint32>::vlanes()); \
-    vint64m2_t temp1 = __riscv_vwmul(a, b, VTraits<v_int32>::vlanes()); \
-    vint64m2_t temp2 = __riscv_vslide1down(temp1, 0, VTraits<v_int32>::vlanes());
-    vint64m2_t res = __riscv_vadd(temp1, temp2, VTraits<v_int32>::vlanes());
+    vuint64m2_t one64 = __riscv_vmv_v_x_u64m2(1, VTraits<v_uint64>::vlanes()); \
+    vuint32m2_t one32 = __riscv_vreinterpret_u32m2(one64); \
+    vbool16_t mask = __riscv_vmseq(one32, 1, VTraits<v_uint32>::vlanes()); \
+    vint64m4_t temp1 = __riscv_vwmul(a, b, VTraits<v_int32>::vlanes()); \
+    vint64m4_t temp2 = __riscv_vslide1down(temp1, 0, VTraits<v_int32>::vlanes());
+    vint64m4_t res = __riscv_vadd(temp1, temp2, VTraits<v_int32>::vlanes());
     res = __riscv_vcompress(res, mask, VTraits<v_int32>::vlanes()); \
-    return __riscv_vadd(__riscv_vlmul_trunc_i64m1(res), c, VTraits<v_int64>::vlanes()); \
+    return __riscv_vadd(__riscv_vlmul_trunc_i64m2(res), c, VTraits<v_int64>::vlanes()); \
 }
 
 // 8 >> 32
 inline v_uint32 v_dotprod_expand(const v_uint8& a, const v_uint8& b)
 {
-    vuint32m1_t one32 = __riscv_vmv_v_x_u32m1(1, VTraits<v_uint32>::vlanes()); \
-    vuint8m1_t one8 = __riscv_vreinterpret_u8m1(one32); \
-    vbool8_t mask = __riscv_vmseq(one8, 1, VTraits<v_uint8>::vlanes()); \
-    vuint16m2_t t0 = __riscv_vwmulu(a, b, VTraits<v_uint8>::vlanes()); \
-    vuint16m2_t t1= __riscv_vslide1down(t0, 0, VTraits<v_uint8>::vlanes());
-    vuint16m2_t t2= __riscv_vslide1down(t1, 0, VTraits<v_uint8>::vlanes());
-    vuint16m2_t t3= __riscv_vslide1down(t2, 0, VTraits<v_uint8>::vlanes());
-    vuint32m4_t res = __riscv_vadd(__riscv_vwaddu_vv(t2, t3, VTraits<v_uint8>::vlanes()), __riscv_vwaddu_vv(t0, t1, VTraits<v_uint8>::vlanes()), VTraits<v_uint8>::vlanes());
+    vuint32m2_t one32 = __riscv_vmv_v_x_u32m2(1, VTraits<v_uint32>::vlanes()); \
+    vuint8m2_t one8 = __riscv_vreinterpret_u8m2(one32); \
+    vbool4_t mask = __riscv_vmseq(one8, 1, VTraits<v_uint8>::vlanes()); \
+    vuint16m4_t t0 = __riscv_vwmulu(a, b, VTraits<v_uint8>::vlanes()); \
+    vuint16m4_t t1= __riscv_vslide1down(t0, 0, VTraits<v_uint8>::vlanes());
+    vuint16m4_t t2= __riscv_vslide1down(t1, 0, VTraits<v_uint8>::vlanes());
+    vuint16m4_t t3= __riscv_vslide1down(t2, 0, VTraits<v_uint8>::vlanes());
+    vuint32m8_t res = __riscv_vadd(__riscv_vwaddu_vv(t2, t3, VTraits<v_uint8>::vlanes()), __riscv_vwaddu_vv(t0, t1, VTraits<v_uint8>::vlanes()), VTraits<v_uint8>::vlanes());
     res = __riscv_vcompress(res, mask, VTraits<v_uint8>::vlanes()); \
-    return __riscv_vlmul_trunc_u32m1(res);
+    return __riscv_vlmul_trunc_u32m2(res);
 }
 
 inline v_uint32 v_dotprod_expand(const v_uint8& a, const v_uint8& b,
                                   const v_uint32& c)
 {
-    vuint32m1_t one32 = __riscv_vmv_v_x_u32m1(1, VTraits<v_uint32>::vlanes()); \
-    vuint8m1_t one8 = __riscv_vreinterpret_u8m1(one32); \
-    vbool8_t mask = __riscv_vmseq(one8, 1, VTraits<v_uint8>::vlanes()); \
-    vuint16m2_t t0 = __riscv_vwmulu(a, b, VTraits<v_uint8>::vlanes()); \
-    vuint16m2_t t1= __riscv_vslide1down(t0, 0, VTraits<v_uint8>::vlanes());
-    vuint16m2_t t2= __riscv_vslide1down(t1, 0, VTraits<v_uint8>::vlanes());
-    vuint16m2_t t3= __riscv_vslide1down(t2, 0, VTraits<v_uint8>::vlanes());
-    vuint32m4_t res = __riscv_vadd(__riscv_vwaddu_vv(t2, t3, VTraits<v_uint8>::vlanes()), __riscv_vwaddu_vv(t0, t1, VTraits<v_uint8>::vlanes()), VTraits<v_uint8>::vlanes());
+    vuint32m2_t one32 = __riscv_vmv_v_x_u32m2(1, VTraits<v_uint32>::vlanes()); \
+    vuint8m2_t one8 = __riscv_vreinterpret_u8m2(one32); \
+    vbool4_t mask = __riscv_vmseq(one8, 1, VTraits<v_uint8>::vlanes()); \
+    vuint16m4_t t0 = __riscv_vwmulu(a, b, VTraits<v_uint8>::vlanes()); \
+    vuint16m4_t t1= __riscv_vslide1down(t0, 0, VTraits<v_uint8>::vlanes());
+    vuint16m4_t t2= __riscv_vslide1down(t1, 0, VTraits<v_uint8>::vlanes());
+    vuint16m4_t t3= __riscv_vslide1down(t2, 0, VTraits<v_uint8>::vlanes());
+    vuint32m8_t res = __riscv_vadd(__riscv_vwaddu_vv(t2, t3, VTraits<v_uint8>::vlanes()), __riscv_vwaddu_vv(t0, t1, VTraits<v_uint8>::vlanes()), VTraits<v_uint8>::vlanes());
     res = __riscv_vcompress(res, mask, VTraits<v_uint8>::vlanes()); \
-    return __riscv_vadd(__riscv_vlmul_trunc_u32m1(res), c, VTraits<v_uint8>::vlanes());
+    return __riscv_vadd(__riscv_vlmul_trunc_u32m2(res), c, VTraits<v_uint8>::vlanes());
 }
 
 inline v_int32 v_dotprod_expand(const v_int8& a, const v_int8& b)
 {
-    vuint32m1_t one32 = __riscv_vmv_v_x_u32m1(1, VTraits<v_uint32>::vlanes()); \
-    vuint8m1_t one8 = __riscv_vreinterpret_u8m1(one32); \
-    vbool8_t mask = __riscv_vmseq(one8, 1, VTraits<v_uint8>::vlanes()); \
-    vint16m2_t t0 = __riscv_vwmul(a, b, VTraits<v_int8>::vlanes()); \
-    vint16m2_t t1= __riscv_vslide1down(t0, 0, VTraits<v_int8>::vlanes());
-    vint16m2_t t2= __riscv_vslide1down(t1, 0, VTraits<v_int8>::vlanes());
-    vint16m2_t t3= __riscv_vslide1down(t2, 0, VTraits<v_int8>::vlanes());
-    vint32m4_t res = __riscv_vadd(__riscv_vwadd_vv(t2, t3, VTraits<v_int8>::vlanes()), __riscv_vwadd_vv(t0, t1, VTraits<v_int8>::vlanes()), VTraits<v_int8>::vlanes());
+    vuint32m2_t one32 = __riscv_vmv_v_x_u32m2(1, VTraits<v_uint32>::vlanes()); \
+    vuint8m2_t one8 = __riscv_vreinterpret_u8m2(one32); \
+    vbool4_t mask = __riscv_vmseq(one8, 1, VTraits<v_uint8>::vlanes()); \
+    vint16m4_t t0 = __riscv_vwmul(a, b, VTraits<v_int8>::vlanes()); \
+    vint16m4_t t1= __riscv_vslide1down(t0, 0, VTraits<v_int8>::vlanes());
+    vint16m4_t t2= __riscv_vslide1down(t1, 0, VTraits<v_int8>::vlanes());
+    vint16m4_t t3= __riscv_vslide1down(t2, 0, VTraits<v_int8>::vlanes());
+    vint32m8_t res = __riscv_vadd(__riscv_vwadd_vv(t2, t3, VTraits<v_int8>::vlanes()), __riscv_vwadd_vv(t0, t1, VTraits<v_int8>::vlanes()), VTraits<v_int8>::vlanes());
     res = __riscv_vcompress(res, mask, VTraits<v_int8>::vlanes()); \
-    return __riscv_vlmul_trunc_i32m1(res);
+    return __riscv_vlmul_trunc_i32m2(res);
 }
 
 inline v_int32 v_dotprod_expand(const v_int8& a, const v_int8& b,
                                   const v_int32& c)
 {
-    vuint32m1_t one32 = __riscv_vmv_v_x_u32m1(1, VTraits<v_uint32>::vlanes()); \
-    vuint8m1_t one8 = __riscv_vreinterpret_u8m1(one32); \
-    vbool8_t mask = __riscv_vmseq(one8, 1, VTraits<v_uint8>::vlanes()); \
-    vint16m2_t t0 = __riscv_vwmul(a, b, VTraits<v_int8>::vlanes()); \
-    vint16m2_t t1= __riscv_vslide1down(t0, 0, VTraits<v_int8>::vlanes());
-    vint16m2_t t2= __riscv_vslide1down(t1, 0, VTraits<v_int8>::vlanes());
-    vint16m2_t t3= __riscv_vslide1down(t2, 0, VTraits<v_int8>::vlanes());
-    vint32m4_t res = __riscv_vadd(__riscv_vwadd_vv(t2, t3, VTraits<v_int8>::vlanes()), __riscv_vwadd_vv(t0, t1, VTraits<v_int8>::vlanes()), VTraits<v_int8>::vlanes());
+    vuint32m2_t one32 = __riscv_vmv_v_x_u32m2(1, VTraits<v_uint32>::vlanes()); \
+    vuint8m2_t one8 = __riscv_vreinterpret_u8m2(one32); \
+    vbool4_t mask = __riscv_vmseq(one8, 1, VTraits<v_uint8>::vlanes()); \
+    vint16m4_t t0 = __riscv_vwmul(a, b, VTraits<v_int8>::vlanes()); \
+    vint16m4_t t1= __riscv_vslide1down(t0, 0, VTraits<v_int8>::vlanes());
+    vint16m4_t t2= __riscv_vslide1down(t1, 0, VTraits<v_int8>::vlanes());
+    vint16m4_t t3= __riscv_vslide1down(t2, 0, VTraits<v_int8>::vlanes());
+    vint32m8_t res = __riscv_vadd(__riscv_vwadd_vv(t2, t3, VTraits<v_int8>::vlanes()), __riscv_vwadd_vv(t0, t1, VTraits<v_int8>::vlanes()), VTraits<v_int8>::vlanes());
     res = __riscv_vcompress(res, mask, VTraits<v_int8>::vlanes()); \
-    return __riscv_vadd(__riscv_vlmul_trunc_i32m1(res), c, VTraits<v_int8>::vlanes());
+    return __riscv_vadd(__riscv_vlmul_trunc_i32m2(res), c, VTraits<v_int8>::vlanes());
 }
 
 
 // // 16 >> 64
 inline v_uint64 v_dotprod_expand(const v_uint16& a, const v_uint16& b)
 {
-    vuint64m1_t one64 = __riscv_vmv_v_x_u64m1(1, VTraits<v_uint64>::vlanes()); \
-    vuint16m1_t one16 = __riscv_vreinterpret_u16m1(one64); \
-    vbool16_t mask = __riscv_vmseq(one16, 1, VTraits<v_uint16>::vlanes()); \
-    vuint32m2_t t0 = __riscv_vwmulu(a, b, VTraits<v_uint16>::vlanes()); \
-    vuint32m2_t t1= __riscv_vslide1down(t0, 0, VTraits<v_uint16>::vlanes());
-    vuint32m2_t t2= __riscv_vslide1down(t1, 0, VTraits<v_uint16>::vlanes());
-    vuint32m2_t t3= __riscv_vslide1down(t2, 0, VTraits<v_uint16>::vlanes());
-    vuint64m4_t res = __riscv_vadd(__riscv_vwaddu_vv(t2, t3, VTraits<v_uint16>::vlanes()), __riscv_vwaddu_vv(t0, t1, VTraits<v_uint16>::vlanes()), VTraits<v_uint16>::vlanes());
+    vuint64m2_t one64 = __riscv_vmv_v_x_u64m2(1, VTraits<v_uint64>::vlanes()); \
+    vuint16m2_t one16 = __riscv_vreinterpret_u16m2(one64); \
+    vbool8_t mask = __riscv_vmseq(one16, 1, VTraits<v_uint16>::vlanes()); \
+    vuint32m4_t t0 = __riscv_vwmulu(a, b, VTraits<v_uint16>::vlanes()); \
+    vuint32m4_t t1= __riscv_vslide1down(t0, 0, VTraits<v_uint16>::vlanes());
+    vuint32m4_t t2= __riscv_vslide1down(t1, 0, VTraits<v_uint16>::vlanes());
+    vuint32m4_t t3= __riscv_vslide1down(t2, 0, VTraits<v_uint16>::vlanes());
+    vuint64m8_t res = __riscv_vadd(__riscv_vwaddu_vv(t2, t3, VTraits<v_uint16>::vlanes()), __riscv_vwaddu_vv(t0, t1, VTraits<v_uint16>::vlanes()), VTraits<v_uint16>::vlanes());
     res = __riscv_vcompress(res, mask, VTraits<v_uint16>::vlanes()); \
-    return __riscv_vlmul_trunc_u64m1(res);
+    return __riscv_vlmul_trunc_u64m2(res);
 }
 inline v_uint64 v_dotprod_expand(const v_uint16& a, const v_uint16& b, const v_uint64& c)
 {
-    vuint64m1_t one64 = __riscv_vmv_v_x_u64m1(1, VTraits<v_uint64>::vlanes()); \
-    vuint16m1_t one16 = __riscv_vreinterpret_u16m1(one64); \
-    vbool16_t mask = __riscv_vmseq(one16, 1, VTraits<v_uint16>::vlanes()); \
-    vuint32m2_t t0 = __riscv_vwmulu(a, b, VTraits<v_uint16>::vlanes()); \
-    vuint32m2_t t1= __riscv_vslide1down(t0, 0, VTraits<v_uint16>::vlanes());
-    vuint32m2_t t2= __riscv_vslide1down(t1, 0, VTraits<v_uint16>::vlanes());
-    vuint32m2_t t3= __riscv_vslide1down(t2, 0, VTraits<v_uint16>::vlanes());
-    vuint64m4_t res = __riscv_vadd(__riscv_vwaddu_vv(t2, t3, VTraits<v_uint16>::vlanes()), __riscv_vwaddu_vv(t0, t1, VTraits<v_uint16>::vlanes()), VTraits<v_uint16>::vlanes());
+    vuint64m2_t one64 = __riscv_vmv_v_x_u64m2(1, VTraits<v_uint64>::vlanes()); \
+    vuint16m2_t one16 = __riscv_vreinterpret_u16m2(one64); \
+    vbool8_t mask = __riscv_vmseq(one16, 1, VTraits<v_uint16>::vlanes()); \
+    vuint32m4_t t0 = __riscv_vwmulu(a, b, VTraits<v_uint16>::vlanes()); \
+    vuint32m4_t t1= __riscv_vslide1down(t0, 0, VTraits<v_uint16>::vlanes());
+    vuint32m4_t t2= __riscv_vslide1down(t1, 0, VTraits<v_uint16>::vlanes());
+    vuint32m4_t t3= __riscv_vslide1down(t2, 0, VTraits<v_uint16>::vlanes());
+    vuint64m8_t res = __riscv_vadd(__riscv_vwaddu_vv(t2, t3, VTraits<v_uint16>::vlanes()), __riscv_vwaddu_vv(t0, t1, VTraits<v_uint16>::vlanes()), VTraits<v_uint16>::vlanes());
     res = __riscv_vcompress(res, mask, VTraits<v_uint16>::vlanes()); \
-    return __riscv_vadd(__riscv_vlmul_trunc_u64m1(res), c, VTraits<v_uint16>::vlanes());
+    return __riscv_vadd(__riscv_vlmul_trunc_u64m2(res), c, VTraits<v_uint16>::vlanes());
 }
 
 inline v_int64 v_dotprod_expand(const v_int16& a, const v_int16& b)
 {
-    vuint64m1_t one64 = __riscv_vmv_v_x_u64m1(1, VTraits<v_uint64>::vlanes()); \
-    vuint16m1_t one16 = __riscv_vreinterpret_u16m1(one64); \
-    vbool16_t mask = __riscv_vmseq(one16, 1, VTraits<v_uint16>::vlanes()); \
-    vint32m2_t t0 = __riscv_vwmul(a, b, VTraits<v_int16>::vlanes()); \
-    vint32m2_t t1= __riscv_vslide1down(t0, 0, VTraits<v_int16>::vlanes());
-    vint32m2_t t2= __riscv_vslide1down(t1, 0, VTraits<v_int16>::vlanes());
-    vint32m2_t t3= __riscv_vslide1down(t2, 0, VTraits<v_int16>::vlanes());
-    vint64m4_t res = __riscv_vadd(__riscv_vwadd_vv(t2, t3, VTraits<v_int16>::vlanes()), __riscv_vwadd_vv(t0, t1, VTraits<v_int16>::vlanes()), VTraits<v_int16>::vlanes());
+    vuint64m2_t one64 = __riscv_vmv_v_x_u64m2(1, VTraits<v_uint64>::vlanes()); \
+    vuint16m2_t one16 = __riscv_vreinterpret_u16m2(one64); \
+    vbool8_t mask = __riscv_vmseq(one16, 1, VTraits<v_uint16>::vlanes()); \
+    vint32m4_t t0 = __riscv_vwmul(a, b, VTraits<v_int16>::vlanes()); \
+    vint32m4_t t1= __riscv_vslide1down(t0, 0, VTraits<v_int16>::vlanes());
+    vint32m4_t t2= __riscv_vslide1down(t1, 0, VTraits<v_int16>::vlanes());
+    vint32m4_t t3= __riscv_vslide1down(t2, 0, VTraits<v_int16>::vlanes());
+    vint64m8_t res = __riscv_vadd(__riscv_vwadd_vv(t2, t3, VTraits<v_int16>::vlanes()), __riscv_vwadd_vv(t0, t1, VTraits<v_int16>::vlanes()), VTraits<v_int16>::vlanes());
     res = __riscv_vcompress(res, mask, VTraits<v_int16>::vlanes()); \
-    return __riscv_vlmul_trunc_i64m1(res);
+    return __riscv_vlmul_trunc_i64m2(res);
 }
 inline v_int64 v_dotprod_expand(const v_int16& a, const v_int16& b,
                                   const v_int64& c)
 {
-    vuint64m1_t one64 = __riscv_vmv_v_x_u64m1(1, VTraits<v_uint64>::vlanes()); \
-    vuint16m1_t one16 = __riscv_vreinterpret_u16m1(one64); \
-    vbool16_t mask = __riscv_vmseq(one16, 1, VTraits<v_uint16>::vlanes()); \
-    vint32m2_t t0 = __riscv_vwmul(a, b, VTraits<v_int16>::vlanes()); \
-    vint32m2_t t1= __riscv_vslide1down(t0, 0, VTraits<v_int16>::vlanes());
-    vint32m2_t t2= __riscv_vslide1down(t1, 0, VTraits<v_int16>::vlanes());
-    vint32m2_t t3= __riscv_vslide1down(t2, 0, VTraits<v_int16>::vlanes());
-    vint64m4_t res = __riscv_vadd(__riscv_vwadd_vv(t2, t3, VTraits<v_int16>::vlanes()), __riscv_vwadd_vv(t0, t1, VTraits<v_int16>::vlanes()), VTraits<v_int16>::vlanes());
+    vuint64m2_t one64 = __riscv_vmv_v_x_u64m2(1, VTraits<v_uint64>::vlanes()); \
+    vuint16m2_t one16 = __riscv_vreinterpret_u16m2(one64); \
+    vbool8_t mask = __riscv_vmseq(one16, 1, VTraits<v_uint16>::vlanes()); \
+    vint32m4_t t0 = __riscv_vwmul(a, b, VTraits<v_int16>::vlanes()); \
+    vint32m4_t t1= __riscv_vslide1down(t0, 0, VTraits<v_int16>::vlanes());
+    vint32m4_t t2= __riscv_vslide1down(t1, 0, VTraits<v_int16>::vlanes());
+    vint32m4_t t3= __riscv_vslide1down(t2, 0, VTraits<v_int16>::vlanes());
+    vint64m8_t res = __riscv_vadd(__riscv_vwadd_vv(t2, t3, VTraits<v_int16>::vlanes()), __riscv_vwadd_vv(t0, t1, VTraits<v_int16>::vlanes()), VTraits<v_int16>::vlanes());
     res = __riscv_vcompress(res, mask, VTraits<v_int16>::vlanes()); \
-    return __riscv_vadd(__riscv_vlmul_trunc_i64m1(res), c, VTraits<v_int16>::vlanes());
+    return __riscv_vadd(__riscv_vlmul_trunc_i64m2(res), c, VTraits<v_int16>::vlanes());
 }
 
 // // 32 >> 64f
@@ -2352,70 +2300,72 @@ inline v_float64 v_dotprod_expand(const v_int32& a,   const v_int32& b,
 // 16 >> 32
 inline v_int32 v_dotprod_fast(const v_int16& a, const v_int16& b)
 {
-    v_int32 zero = v_setzero_s32();
-    return __riscv_vredsum_tu(zero, __riscv_vwmul(a, b, VTraits<v_int16>::vlanes()), zero,  VTraits<v_int16>::vlanes());
+    vint32m1_t zero = __riscv_vmv_v_x_i32m1(0, VTraits<vint32m1_t>::vlanes());
+    return __riscv_vset(__riscv_vmv_v_x_i32m2(0, VTraits<v_int32>::vlanes()), 0, __riscv_vredsum_tu(zero, __riscv_vwmul(a, b, VTraits<v_int16>::vlanes()), zero,  VTraits<v_int16>::vlanes()));
 }
 inline v_int32 v_dotprod_fast(const v_int16& a, const v_int16& b, const v_int32& c)
 {
-    v_int32 zero = v_setzero_s32();
-    return __riscv_vredsum_tu(zero, __riscv_vwmul(a, b, VTraits<v_int16>::vlanes()), __riscv_vredsum_tu(zero,c, zero, VTraits<v_int32>::vlanes()),  VTraits<v_int16>::vlanes());
+    vint32m1_t zero = __riscv_vmv_v_x_i32m1(0, VTraits<vint32m1_t>::vlanes());
+    return  __riscv_vadd(c, __riscv_vset(__riscv_vmv_v_x_i32m2(0, VTraits<v_int32>::vlanes()), 0, __riscv_vredsum_tu(zero, __riscv_vwmul(a, b, VTraits<v_int16>::vlanes()), zero,  VTraits<v_int16>::vlanes())), VTraits<v_int32>::vlanes());
 }
 
 // 32 >> 64
 inline v_int64 v_dotprod_fast(const v_int32& a, const v_int32& b)
 {
-    v_int64 zero = v_setzero_s64();
-    return __riscv_vredsum_tu(zero, __riscv_vwmul(a, b, VTraits<v_int32>::vlanes()), zero,  VTraits<v_int32>::vlanes());
+    vint64m1_t zero = __riscv_vmv_v_x_i64m1(0, VTraits<vint64m1_t>::vlanes());
+    return __riscv_vset(__riscv_vmv_v_x_i64m2(0, VTraits<v_int64>::vlanes()), 0, __riscv_vredsum_tu(zero, __riscv_vwmul(a, b, VTraits<v_int32>::vlanes()), zero,  VTraits<v_int32>::vlanes()));
 }
 inline v_int64 v_dotprod_fast(const v_int32& a, const v_int32& b, const v_int64& c)
 {
-    v_int64 zero = v_setzero_s64();
-    return __riscv_vadd(__riscv_vredsum_tu(zero,__riscv_vwmul(a, b, VTraits<v_int32>::vlanes()), zero,  VTraits<v_int32>::vlanes()) , __riscv_vredsum_tu(zero,c, zero, VTraits<v_int64>::vlanes()), VTraits<v_int64>::vlanes());
+    vint64m1_t zero = __riscv_vmv_v_x_i64m1(0, VTraits<vint64m1_t>::vlanes());
+    return  __riscv_vadd(c, __riscv_vset(__riscv_vmv_v_x_i64m2(0, VTraits<v_int64>::vlanes()), 0, __riscv_vredsum_tu(zero, __riscv_vwmul(a, b, VTraits<v_int32>::vlanes()), zero,  VTraits<v_int32>::vlanes())), VTraits<v_int64>::vlanes());
 }
 
 
 // 8 >> 32
 inline v_uint32 v_dotprod_expand_fast(const v_uint8& a, const v_uint8& b)
 {
-    v_uint32 zero = v_setzero_u32();
-    return __riscv_vwredsumu_tu(zero, __riscv_vwmulu(a, b, VTraits<v_uint8>::vlanes()), zero,  VTraits<v_uint8>::vlanes());
+    vuint32m1_t zero = __riscv_vmv_v_x_u32m1(0, VTraits<vuint32m1_t>::vlanes());
+    auto res = __riscv_vwredsumu_tu(zero, __riscv_vwmulu(a, b, VTraits<v_uint8>::vlanes()), zero,   VTraits<v_uint8>::vlanes());
+    return __riscv_vset(__riscv_vmv_v_x_u32m2(0, VTraits<v_uint32>::vlanes()), 0, res);
 }
 inline v_uint32 v_dotprod_expand_fast(const v_uint8& a, const v_uint8& b, const v_uint32& c)
 {
-    v_uint32 zero = v_setzero_u32();
-    return __riscv_vadd(__riscv_vwredsumu_tu(zero, __riscv_vwmulu(a, b, VTraits<v_uint8>::vlanes()), zero,  VTraits<v_uint8>::vlanes()) , __riscv_vredsum_tu(zero, c, zero, VTraits<v_uint32>::vlanes()), VTraits<v_uint32>::vlanes());
+    vuint32m1_t zero = __riscv_vmv_v_x_u32m1(0, VTraits<vuint32m1_t>::vlanes());
+    auto res = __riscv_vwredsumu_tu(zero, __riscv_vwmulu(a, b, VTraits<v_uint8>::vlanes()), zero,   VTraits<v_uint8>::vlanes());
+    return __riscv_vadd(c, __riscv_vset(__riscv_vmv_v_x_u32m2(0, VTraits<v_uint32>::vlanes()), 0, res), VTraits<v_uint32>::vlanes());
 }
 inline v_int32 v_dotprod_expand_fast(const v_int8& a, const v_int8& b)
 {
-    v_int32 zero = v_setzero_s32();
-    return __riscv_vwredsum_tu(zero,  __riscv_vwmul(a, b, VTraits<v_int8>::vlanes()), zero,  VTraits<v_int8>::vlanes());
+    vint32m1_t zero = __riscv_vmv_v_x_i32m1(0, VTraits<vint32m1_t>::vlanes());
+    return __riscv_vset(__riscv_vmv_v_x_i32m2(0, VTraits<v_uint32>::vlanes()), 0, __riscv_vwredsum_tu(zero,  __riscv_vwmul(a, b, VTraits<v_int8>::vlanes()), zero,  VTraits<v_int8>::vlanes()));
 }
 inline v_int32 v_dotprod_expand_fast(const v_int8& a, const v_int8& b, const v_int32& c)
 {
-    v_int32 zero = v_setzero_s32();
-    return __riscv_vadd(__riscv_vwredsum_tu(zero, __riscv_vwmul(a, b, VTraits<v_int8>::vlanes()), zero,  VTraits<v_int8>::vlanes()) , __riscv_vredsum_tu(zero,c, zero, VTraits<v_int32>::vlanes()), VTraits<v_int32>::vlanes());
+    vint32m1_t zero = __riscv_vmv_v_x_i32m1(0, VTraits<vint32m1_t>::vlanes());
+    return __riscv_vadd(c, __riscv_vset(__riscv_vmv_v_x_i32m2(0, VTraits<v_uint32>::vlanes()), 0, __riscv_vwredsum_tu(zero, __riscv_vwmul(a, b, VTraits<v_int8>::vlanes()), zero,  VTraits<v_int8>::vlanes())), VTraits<v_int32>::vlanes());
 }
 
 // 16 >> 64
 inline v_uint64 v_dotprod_expand_fast(const v_uint16& a, const v_uint16& b)
 {
-    v_uint64 zero = v_setzero_u64();
-    return __riscv_vwredsumu_tu(zero, __riscv_vwmulu(a, b, VTraits<v_uint16>::vlanes()), zero,  VTraits<v_uint16>::vlanes());
+    vuint64m1_t zero = __riscv_vmv_v_x_u64m1(0, VTraits<vuint64m1_t>::vlanes());
+    return __riscv_vset(__riscv_vmv_v_x_u64m2(0, VTraits<v_uint64>::vlanes()), 0, __riscv_vwredsumu_tu(zero,  __riscv_vwmulu(a, b, VTraits<v_uint16>::vlanes()), zero,  VTraits<v_uint16>::vlanes()));
 }
 inline v_uint64 v_dotprod_expand_fast(const v_uint16& a, const v_uint16& b, const v_uint64& c)
 {
-    v_uint64 zero = v_setzero_u64();
-    return __riscv_vadd(__riscv_vwredsumu_tu(zero, __riscv_vwmulu(a, b, VTraits<v_uint16>::vlanes()), zero,  VTraits<v_uint16>::vlanes()), __riscv_vredsum_tu(zero,c, zero, VTraits<v_uint64>::vlanes()), VTraits<v_uint64>::vlanes());
+    vuint64m1_t zero = __riscv_vmv_v_x_u64m1(0, VTraits<vuint64m1_t>::vlanes());
+    return __riscv_vadd(c, __riscv_vset(__riscv_vmv_v_x_u64m2(0, VTraits<v_uint64>::vlanes()), 0, __riscv_vwredsumu_tu(zero,  __riscv_vwmulu(a, b, VTraits<v_uint16>::vlanes()), zero,  VTraits<v_uint16>::vlanes())), VTraits<v_uint64>::vlanes());
 }
 inline v_int64 v_dotprod_expand_fast(const v_int16& a, const v_int16& b)
 {
-    v_int64 zero = v_setzero_s64();
-    return __riscv_vwredsum_tu(zero, __riscv_vwmul(a, b, VTraits<v_int16>::vlanes()), zero,  VTraits<v_int16>::vlanes());
+    vint64m1_t zero = __riscv_vmv_v_x_i64m1(0, VTraits<vint64m1_t>::vlanes());
+    return __riscv_vset(__riscv_vmv_v_x_i64m2(0, VTraits<v_int64>::vlanes()), 0, __riscv_vwredsum_tu(zero,  __riscv_vwmul(a, b, VTraits<v_int16>::vlanes()), zero,  VTraits<v_int16>::vlanes()));
 }
 inline v_int64 v_dotprod_expand_fast(const v_int16& a, const v_int16& b, const v_int64& c)
 {
-    v_int64 zero = v_setzero_s64();
-    return __riscv_vadd(__riscv_vwredsum_tu(zero, __riscv_vwmul(a, b, VTraits<v_int16>::vlanes()), zero,  VTraits<v_int16>::vlanes()), __riscv_vredsum_tu(zero, c, zero, VTraits<v_int64>::vlanes()), VTraits<v_int64>::vlanes());
+    vint64m1_t zero = __riscv_vmv_v_x_i64m1(0, VTraits<vint64m1_t>::vlanes());
+    return __riscv_vadd(c, __riscv_vset(__riscv_vmv_v_x_i64m2(0, VTraits<v_int64>::vlanes()), 0, __riscv_vwredsum_tu(zero,  __riscv_vwmul(a, b, VTraits<v_int16>::vlanes()), zero,  VTraits<v_int16>::vlanes())), VTraits<v_int64>::vlanes());
 }
 
 // 32 >> 64f
@@ -2433,15 +2383,15 @@ inline v_float16 v_matmul(  const v_float16 &v,
                             const v_float16 &m2, const v_float16 &m3,
                             const v_float16 &m4, const v_float16 &m5,
                             const v_float16 &m6, const v_float16 &m7) {
-    vfloat16m1_t res;
-    res = __riscv_vfmul_vf_f16m1(m0, (_Float16)v_extract_n(v, 0), VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 1), m1, VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 2), m2, VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 3), m3, VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 4), m4, VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 5), m5, VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 6), m6, VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 7), m7, VTraits<v_float16>::vlanes());
+    vfloat16m2_t res;
+    res = __riscv_vfmul_vf_f16m2(m0, (_Float16)v_extract_n(v, 0), VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 1), m1, VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 2), m2, VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 3), m3, VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 4), m4, VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 5), m5, VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 6), m6, VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 7), m7, VTraits<v_float16>::vlanes());
     return res;
 }
 inline v_float16 v_matmuladd(  const v_float16 &v,
@@ -2450,44 +2400,51 @@ inline v_float16 v_matmuladd(  const v_float16 &v,
                                const v_float16 &m4, const v_float16 &m5,
                                const v_float16 &m6,
                                const v_float16 &a) {
-    vfloat16m1_t res;
-    res = __riscv_vfmul_vf_f16m1(m0, (_Float16)v_extract_n(v, 0), VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 1), m1, VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 2), m2, VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 3), m3, VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 4), m4, VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 5), m5, VTraits<v_float16>::vlanes());
-    res = __riscv_vfmacc_vf_f16m1(res, (_Float16)v_extract_n(v, 6), m6, VTraits<v_float16>::vlanes());
+    vfloat16m2_t res;
+    res = __riscv_vfmul_vf_f16m2(m0, (_Float16)v_extract_n(v, 0), VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 1), m1, VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 2), m2, VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 3), m3, VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 4), m4, VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 5), m5, VTraits<v_float16>::vlanes());
+    res = __riscv_vfmacc_vf_f16m2(res, (_Float16)v_extract_n(v, 6), m6, VTraits<v_float16>::vlanes());
     return  __riscv_vfadd(res, a, VTraits<v_float16>::vlanes());
 }
 #endif
 
-inline v_float32 v_matmul(const v_float32& v, const v_float32& m0,
-                            const v_float32& m1, const v_float32& m2,
-                            const v_float32& m3)
+inline v_float32 v_matmul(const v_float32& v, const v_float32& mat0,
+                            const v_float32& mat1, const v_float32& mat2,
+                            const v_float32& mat3)
 {
-    vfloat32m1_t res;
-    res = __riscv_vfmul_vf_f32m1(m0, v_extract_n(v, 0), VTraits<v_float32>::vlanes());
-    res = __riscv_vfmacc_vf_f32m1(res, v_extract_n(v, 1), m1, VTraits<v_float32>::vlanes());
-    res = __riscv_vfmacc_vf_f32m1(res, v_extract_n(v, 2), m2, VTraits<v_float32>::vlanes());
-    res = __riscv_vfmacc_vf_f32m1(res, v_extract_n(v, 3), m3, VTraits<v_float32>::vlanes());
+    vfloat32m2_t res;
+    res = __riscv_vfmul_vf_f32m2(mat0, v_extract_n(v, 0), VTraits<v_float32>::vlanes());
+    res = __riscv_vfmacc_vf_f32m2(res, v_extract_n(v, 1), mat1, VTraits<v_float32>::vlanes());
+    res = __riscv_vfmacc_vf_f32m2(res, v_extract_n(v, 2), mat2, VTraits<v_float32>::vlanes());
+    res = __riscv_vfmacc_vf_f32m2(res, v_extract_n(v, 3), mat3, VTraits<v_float32>::vlanes());
     return res;
 }
 
 // TODO: only 128 bit now.
-inline v_float32 v_matmuladd(const v_float32& v, const v_float32& m0,
-                               const v_float32& m1, const v_float32& m2,
+inline v_float32 v_matmuladd(const v_float32& v, const v_float32& mat0,
+                               const v_float32& mat1, const v_float32& mat2,
                                const v_float32& a)
 {
-    vfloat32m1_t res = __riscv_vfmul_vf_f32m1(m0, v_extract_n(v,0), VTraits<v_float32>::vlanes());
-    res = __riscv_vfmacc_vf_f32m1(res, v_extract_n(v,1), m1, VTraits<v_float32>::vlanes());
-    res = __riscv_vfmacc_vf_f32m1(res, v_extract_n(v,2), m2, VTraits<v_float32>::vlanes());
+    vfloat32m2_t res = __riscv_vfmul_vf_f32m2(mat0, v_extract_n(v,0), VTraits<v_float32>::vlanes());
+    res = __riscv_vfmacc_vf_f32m2(res, v_extract_n(v,1), mat1, VTraits<v_float32>::vlanes());
+    res = __riscv_vfmacc_vf_f32m2(res, v_extract_n(v,2), mat2, VTraits<v_float32>::vlanes());
     return __riscv_vfadd(res, a, VTraits<v_float32>::vlanes());
 }
 
 inline void v_cleanup() {}
 
 #include "intrin_math.hpp"
+#if CV_SIMD_SCALABLE_FP16
+inline v_float16 v_exp(const v_float16& x) { return v_exp_default_16f<v_float16, v_int16>(x); }
+inline v_float16 v_log(const v_float16& x) { return v_log_default_16f<v_float16, v_int16>(x); }
+inline void v_sincos(const v_float16& x, v_float16& s, v_float16& c) { v_sincos_default_16f<v_float16, v_int16>(x, s, c); }
+inline v_float16 v_sin(const v_float16& x) { return v_sin_default_16f<v_float16, v_int16>(x); }
+inline v_float16 v_cos(const v_float16& x) { return v_cos_default_16f<v_float16, v_int16>(x); }
+#endif
 inline v_float32 v_exp(const v_float32& x) { return v_exp_default_32f<v_float32, v_int32>(x); }
 inline v_float32 v_log(const v_float32& x) { return v_log_default_32f<v_float32, v_int32>(x); }
 inline void v_sincos(const v_float32& x, v_float32& s, v_float32& c) { v_sincos_default_32f<v_float32, v_int32>(x, s, c); }
diff --git a/modules/core/src/matmul.simd.hpp b/modules/core/src/matmul.simd.hpp
index ce3a48799e..6f77adc68b 100644
--- a/modules/core/src/matmul.simd.hpp
+++ b/modules/core/src/matmul.simd.hpp
@@ -1595,7 +1595,10 @@ transform_16u( const ushort* src, ushort* dst, const float* m, int len, int scn,
 static void
 transform_32f( const float* src, float* dst, const float* m, int len, int scn, int dcn )
 {
-#if (CV_SIMD || CV_SIMD_SCALABLE) && !defined(__aarch64__) && !defined(_M_ARM64)
+// Disabled for RISC-V Vector (scalable), because of:
+// 1. v_matmuladd for RVV is 128-bit only but not scalable, this will fail the test `Core_Transform.accuracy`.
+// 2. Both gcc and clang can autovectorize this, with better performance than using Universal intrinsic.
+#if (CV_SIMD || CV_SIMD_SCALABLE) && !defined(__aarch64__) && !defined(_M_ARM64) && !(CV_TRY_RVV && CV_RVV)
     int x = 0;
     if( scn == 3 && dcn == 3 )
     {