Chiebot-Mirror
/
opencv
mirror of https://github.com/opencv/opencv.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #13650 from terfendail:shapedescr_wintr

Browse Source
pull/13658/head
Alexander Alekhin 6 years ago
parent 3812ae7949 a84bbc62b1
commit 0395b2ea9c
2 changed files with 154 additions and 78 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 22
      modules/imgproc/perf/perf_contours.cpp
  2. 210
      modules/imgproc/src/shapedescr.cpp

22
modules/imgproc/perf/perf_contours.cpp
Unescape View File

@ -84,4 +84,26 @@ PERF_TEST_P(TestFindContoursFF, findContours,
SANITY_CHECK_NOTHING();
}
typedef TestBaseWithParam< tuple<MatDepth, int> > TestBoundingRect;
PERF_TEST_P(TestBoundingRect, BoundingRect,
Combine(
testing::Values(CV_32S, CV_32F), // points type
Values(400, 511, 1000, 10000, 100000) // points count
)
)
{
int ptType = get<0>(GetParam());
int n = get<1>(GetParam());
Mat pts(n, 2, ptType);
declare.in(pts, WARMUP_RNG);
cv::Rect rect;
TEST_CYCLE() rect = boundingRect(pts);
SANITY_CHECK_NOTHING();
}
} } // namespace

210
modules/imgproc/src/shapedescr.cpp
Unescape View File

@ -39,6 +39,8 @@
//
//M*/
#include "precomp.hpp"
#include "opencv2/core/hal/intrin.hpp"
namespace cv
{
@ -746,109 +748,161 @@ static Rect pointSetBoundingRect( const Mat& points )
if( npoints == 0 )
return Rect();
const Point* pts = points.ptr<Point>();
Point pt = pts[0];
#if CV_SIMD
const int64_t* pts = points.ptr<int64_t>();
#if CV_SSE4_2
if(cv::checkHardwareSupport(CV_CPU_SSE4_2))
if( !is_float )
{
if( !is_float )
v_int32 minval, maxval;
minval = maxval = v_reinterpret_as_s32(vx_setall_s64(*pts)); //min[0]=pt.x, min[1]=pt.y, min[2]=pt.x, min[3]=pt.y
for( i = 1; i <= npoints - v_int32::nlanes/2; i+= v_int32::nlanes/2 )
{
__m128i minval, maxval;
minval = maxval = _mm_loadl_epi64((const __m128i*)(&pt)); //min[0]=pt.x, min[1]=pt.y
for( i = 1; i < npoints; i++ )
{
__m128i ptXY = _mm_loadl_epi64((const __m128i*)&pts[i]);
minval = _mm_min_epi32(ptXY, minval);
maxval = _mm_max_epi32(ptXY, maxval);
}
xmin = _mm_cvtsi128_si32(minval);
ymin = _mm_cvtsi128_si32(_mm_srli_si128(minval, 4));
xmax = _mm_cvtsi128_si32(maxval);
ymax = _mm_cvtsi128_si32(_mm_srli_si128(maxval, 4));
v_int32 ptXY2 = v_reinterpret_as_s32(vx_load(pts + i));
minval = v_min(ptXY2, minval);
maxval = v_max(ptXY2, maxval);
}
else
minval = v_min(v_reinterpret_as_s32(v_expand_low(v_reinterpret_as_u32(minval))), v_reinterpret_as_s32(v_expand_high(v_reinterpret_as_u32(minval))));
maxval = v_max(v_reinterpret_as_s32(v_expand_low(v_reinterpret_as_u32(maxval))), v_reinterpret_as_s32(v_expand_high(v_reinterpret_as_u32(maxval))));
if( i <= npoints - v_int32::nlanes/4 )
{
__m128 minvalf, maxvalf, z = _mm_setzero_ps(), ptXY = _mm_setzero_ps();
minvalf = maxvalf = _mm_loadl_pi(z, (const __m64*)(&pt));
for( i = 1; i < npoints; i++ )
v_int32 ptXY = v_reinterpret_as_s32(v_expand_low(v_reinterpret_as_u32(vx_load_low(pts + i))));
minval = v_min(ptXY, minval);
maxval = v_max(ptXY, maxval);
i += v_int64::nlanes/2;
}
for(int j = 16; j < CV_SIMD_WIDTH; j*=2)
{
minval = v_min(v_reinterpret_as_s32(v_expand_low(v_reinterpret_as_u32(minval))), v_reinterpret_as_s32(v_expand_high(v_reinterpret_as_u32(minval))));
maxval = v_max(v_reinterpret_as_s32(v_expand_low(v_reinterpret_as_u32(maxval))), v_reinterpret_as_s32(v_expand_high(v_reinterpret_as_u32(maxval))));
}
xmin = minval.get0();
xmax = maxval.get0();
ymin = v_reinterpret_as_s32(v_expand_high(v_reinterpret_as_u32(minval))).get0();
ymax = v_reinterpret_as_s32(v_expand_high(v_reinterpret_as_u32(maxval))).get0();
#if CV_SIMD_WIDTH > 16
if( i < npoints )
{
v_int32x4 minval2, maxval2;
minval2 = maxval2 = v_reinterpret_as_s32(v_expand_low(v_reinterpret_as_u32(v_load_low(pts + i))));
for( i++; i < npoints; i++ )
{
ptXY = _mm_loadl_pi(ptXY, (const __m64*)&pts[i]);
minvalf = _mm_min_ps(minvalf, ptXY);
maxvalf = _mm_max_ps(maxvalf, ptXY);
v_int32x4 ptXY = v_reinterpret_as_s32(v_expand_low(v_reinterpret_as_u32(v_load_low(pts + i))));
minval2 = v_min(ptXY, minval2);
maxval2 = v_max(ptXY, maxval2);
}
float xyminf[2], xymaxf[2];
_mm_storel_pi((__m64*)xyminf, minvalf);
_mm_storel_pi((__m64*)xymaxf, maxvalf);
xmin = cvFloor(xyminf[0]);
ymin = cvFloor(xyminf[1]);
xmax = cvFloor(xymaxf[0]);
ymax = cvFloor(xymaxf[1]);
xmin = min(xmin, minval2.get0());
xmax = max(xmax, maxval2.get0());
ymin = min(ymin, v_reinterpret_as_s32(v_expand_high(v_reinterpret_as_u32(minval2))).get0());
ymax = max(ymax, v_reinterpret_as_s32(v_expand_high(v_reinterpret_as_u32(maxval2))).get0());
}
#endif
}
else
#endif
{
if( !is_float )
v_float32 minval, maxval;
minval = maxval = v_reinterpret_as_f32(vx_setall_s64(*pts)); //min[0]=pt.x, min[1]=pt.y, min[2]=pt.x, min[3]=pt.y
for( i = 1; i <= npoints - v_float32::nlanes/2; i+= v_float32::nlanes/2 )
{
xmin = xmax = pt.x;
ymin = ymax = pt.y;
for( i = 1; i < npoints; i++ )
v_float32 ptXY2 = v_reinterpret_as_f32(vx_load(pts + i));
minval = v_min(ptXY2, minval);
maxval = v_max(ptXY2, maxval);
}
minval = v_min(v_reinterpret_as_f32(v_expand_low(v_reinterpret_as_u32(minval))), v_reinterpret_as_f32(v_expand_high(v_reinterpret_as_u32(minval))));
maxval = v_max(v_reinterpret_as_f32(v_expand_low(v_reinterpret_as_u32(maxval))), v_reinterpret_as_f32(v_expand_high(v_reinterpret_as_u32(maxval))));
if( i <= npoints - v_float32::nlanes/4 )
{
v_float32 ptXY = v_reinterpret_as_f32(v_expand_low(v_reinterpret_as_u32(vx_load_low(pts + i))));
minval = v_min(ptXY, minval);
maxval = v_max(ptXY, maxval);
i += v_float32::nlanes/4;
}
for(int j = 16; j < CV_SIMD_WIDTH; j*=2)
{
minval = v_min(v_reinterpret_as_f32(v_expand_low(v_reinterpret_as_u32(minval))), v_reinterpret_as_f32(v_expand_high(v_reinterpret_as_u32(minval))));
maxval = v_max(v_reinterpret_as_f32(v_expand_low(v_reinterpret_as_u32(maxval))), v_reinterpret_as_f32(v_expand_high(v_reinterpret_as_u32(maxval))));
}
xmin = cvFloor(minval.get0());
xmax = cvFloor(maxval.get0());
ymin = cvFloor(v_reinterpret_as_f32(v_expand_high(v_reinterpret_as_u32(minval))).get0());
ymax = cvFloor(v_reinterpret_as_f32(v_expand_high(v_reinterpret_as_u32(maxval))).get0());
#if CV_SIMD_WIDTH > 16
if( i < npoints )
{
v_float32x4 minval2, maxval2;
minval2 = maxval2 = v_reinterpret_as_f32(v_expand_low(v_reinterpret_as_u32(v_load_low(pts + i))));
for( i++; i < npoints; i++ )
{
pt = pts[i];
v_float32x4 ptXY = v_reinterpret_as_f32(v_expand_low(v_reinterpret_as_u32(v_load_low(pts + i))));
minval2 = v_min(ptXY, minval2);
maxval2 = v_max(ptXY, maxval2);
}
xmin = min(xmin, cvFloor(minval2.get0()));
xmax = max(xmax, cvFloor(maxval2.get0()));
ymin = min(ymin, cvFloor(v_reinterpret_as_f32(v_expand_high(v_reinterpret_as_u32(minval2))).get0()));
ymax = max(ymax, cvFloor(v_reinterpret_as_f32(v_expand_high(v_reinterpret_as_u32(maxval2))).get0()));
}
#endif
}
#else
const Point* pts = points.ptr<Point>();
Point pt = pts[0];
if( xmin > pt.x )
xmin = pt.x;
if( !is_float )
{
xmin = xmax = pt.x;
ymin = ymax = pt.y;
if( xmax < pt.x )
xmax = pt.x;
for( i = 1; i < npoints; i++ )
{
pt = pts[i];
if( ymin > pt.y )
ymin = pt.y;
if( xmin > pt.x )
xmin = pt.x;
if( ymax < pt.y )
ymax = pt.y;
}
}
else
{
Cv32suf v;
// init values
xmin = xmax = CV_TOGGLE_FLT(pt.x);
ymin = ymax = CV_TOGGLE_FLT(pt.y);
if( xmax < pt.x )
xmax = pt.x;
for( i = 1; i < npoints; i++ )
{
pt = pts[i];
pt.x = CV_TOGGLE_FLT(pt.x);
pt.y = CV_TOGGLE_FLT(pt.y);
if( ymin > pt.y )
ymin = pt.y;
if( xmin > pt.x )
xmin = pt.x;
if( ymax < pt.y )
ymax = pt.y;
}
}
else
{
Cv32suf v;
// init values
xmin = xmax = CV_TOGGLE_FLT(pt.x);
ymin = ymax = CV_TOGGLE_FLT(pt.y);
if( xmax < pt.x )
xmax = pt.x;
for( i = 1; i < npoints; i++ )
{
pt = pts[i];
pt.x = CV_TOGGLE_FLT(pt.x);
pt.y = CV_TOGGLE_FLT(pt.y);
if( ymin > pt.y )
ymin = pt.y;
if( xmin > pt.x )
xmin = pt.x;
if( ymax < pt.y )
ymax = pt.y;
}
if( xmax < pt.x )
xmax = pt.x;
if( ymin > pt.y )
ymin = pt.y;
v.i = CV_TOGGLE_FLT(xmin); xmin = cvFloor(v.f);
v.i = CV_TOGGLE_FLT(ymin); ymin = cvFloor(v.f);
// because right and bottom sides of the bounding rectangle are not inclusive
// (note +1 in width and height calculation below), cvFloor is used here instead of cvCeil
v.i = CV_TOGGLE_FLT(xmax); xmax = cvFloor(v.f);
v.i = CV_TOGGLE_FLT(ymax); ymax = cvFloor(v.f);
if( ymax < pt.y )
ymax = pt.y;
}
v.i = CV_TOGGLE_FLT(xmin); xmin = cvFloor(v.f);
v.i = CV_TOGGLE_FLT(ymin); ymin = cvFloor(v.f);
// because right and bottom sides of the bounding rectangle are not inclusive
// (note +1 in width and height calculation below), cvFloor is used here instead of cvCeil
v.i = CV_TOGGLE_FLT(xmax); xmax = cvFloor(v.f);
v.i = CV_TOGGLE_FLT(ymax); ymax = cvFloor(v.f);
}
#endif
return Rect(xmin, ymin, xmax - xmin + 1, ymax - ymin + 1);
}

Write Preview
Loading…
Cancel
Save