Fixes compilation errors when BUILD_CUDA_STUBS is ON

modules/cudaimgproc/src/histogram.cpp

@@ -55,11 +55,11 @@ cv::Ptr<cv::cuda::CLAHE> cv::cuda::createCLAHE(double, cv::Size) { throw_no_cuda
 
 void cv::cuda::evenLevels(OutputArray, int, int, int, Stream&) { throw_no_cuda(); }
 
-void cv::cuda::histEven(InputArray, OutputArray, InputOutputArray, int, int, int, Stream&) { throw_no_cuda(); }
-void cv::cuda::histEven(InputArray, GpuMat*, InputOutputArray, int*, int*, int*, Stream&) { throw_no_cuda(); }
+void cv::cuda::histEven(InputArray, OutputArray, int, int, int, Stream&) { throw_no_cuda(); }
+void cv::cuda::histEven(InputArray, GpuMat*, int*, int*, int*, Stream&) { throw_no_cuda(); }
 
-void cv::cuda::histRange(InputArray, OutputArray, InputArray, InputOutputArray, Stream&) { throw_no_cuda(); }
-void cv::cuda::histRange(InputArray, GpuMat*, const GpuMat*, InputOutputArray, Stream&) { throw_no_cuda(); }
+void cv::cuda::histRange(InputArray, OutputArray, InputArray, Stream&) { throw_no_cuda(); }
+void cv::cuda::histRange(InputArray, GpuMat*, const GpuMat*, Stream&) { throw_no_cuda(); }
 
 #else /* !defined (HAVE_CUDA) */
 

modules/cudaoptflow/src/farneback.cpp

@@ -47,7 +47,7 @@ using namespace cv::cuda;
 
 #if !defined HAVE_CUDA || defined(CUDA_DISABLER)
 
-Ptr<FarnebackOpticalFlow> cv::cuda::FarnebackOpticalFlow::create(int, double, bool, int, int, int, double, int) { throw_no_cuda(); return Ptr<BroxOpticalFlow>(); }
+Ptr<FarnebackOpticalFlow> cv::cuda::FarnebackOpticalFlow::create(int, double, bool, int, int, int, double, int) { throw_no_cuda(); return Ptr<FarnebackOpticalFlow>(); }
 
 #else
 

modules/cudaoptflow/src/pyrlk.cpp

@@ -49,7 +49,7 @@ using namespace cv::cuda;
 
 Ptr<SparsePyrLKOpticalFlow> cv::cuda::SparsePyrLKOpticalFlow::create(Size, int, int, bool) { throw_no_cuda(); return Ptr<SparsePyrLKOpticalFlow>(); }
 
-Ptr<DensePyrLKOpticalFlow> cv::cuda::DensePyrLKOpticalFlow::create(Size, int, int, bool) { throw_no_cuda(); return Ptr<SparsePyrLKOpticalFlow>(); }
+Ptr<DensePyrLKOpticalFlow> cv::cuda::DensePyrLKOpticalFlow::create(Size, int, int, bool) { throw_no_cuda(); return Ptr<DensePyrLKOpticalFlow>(); }
 
 #else /* !defined (HAVE_CUDA) */
 

modules/cudaoptflow/src/tvl1flow.cpp

@@ -42,15 +42,15 @@
 
 #include "precomp.hpp"
 
+using namespace cv;
+using namespace cv::cuda;
+
 #if !defined HAVE_CUDA || defined(CUDA_DISABLER)
 
 Ptr<OpticalFlowDual_TVL1> cv::cuda::OpticalFlowDual_TVL1::create(double, double, double, int, int, double, int, double, double, bool) { throw_no_cuda(); return Ptr<OpticalFlowDual_TVL1>(); }
 
 #else
 
-using namespace cv;
-using namespace cv::cuda;
-
 namespace tvl1flow
 {
     void centeredGradient(PtrStepSzf src, PtrStepSzf dx, PtrStepSzf dy, cudaStream_t stream);