From: Vladislav Vinogradov <no@email>
Date: Wed, 29 Sep 2010 09:07:53 +0000 (+0000)
Subject: added gpu 1d window sum, convertTo, based on NPP.
X-Git-Tag: accepted/tizen/6.0/unified/20201030.111113~8645
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fb7aa43feb963479c285bed1a0720cb58bd5f4eb;p=platform%2Fupstream%2Fopencv.git

added gpu 1d window sum, convertTo, based on NPP.
added RGB <-> XYZ color conversion.
gpu morphology minor fix.
---

diff --git a/modules/gpu/include/opencv2/gpu/gpu.hpp b/modules/gpu/include/opencv2/gpu/gpu.hpp
index 8c9614d..61a202c 100644
--- a/modules/gpu/include/opencv2/gpu/gpu.hpp
+++ b/modules/gpu/include/opencv2/gpu/gpu.hpp
@@ -533,6 +533,9 @@ namespace cv
         //! applies an advanced morphological operation to the image
         CV_EXPORTS void morphologyEx( const GpuMat& src, GpuMat& dst, int op, const Mat& kernel, Point anchor, int iterations);
 
+        CV_EXPORTS void sumWindowColumn(const GpuMat& src, GpuMat& dst, int ksize, int anchor = -1);
+        CV_EXPORTS void sumWindowRow(const GpuMat& src, GpuMat& dst, int ksize, int anchor = -1);
+
 
         //////////////////////////////// Image Labeling ////////////////////////////////
 
diff --git a/modules/gpu/src/cuda/color.cu b/modules/gpu/src/cuda/color.cu
index 274bb67..3b81eb6 100644
--- a/modules/gpu/src/cuda/color.cu
+++ b/modules/gpu/src/cuda/color.cu
@@ -187,8 +187,7 @@ namespace cv { namespace gpu { namespace improc
 
 namespace imgproc
 {
-    template <int GREEN_BITS, int DSTCN> struct RGB5x52RGBConverter {};
-    
+    template <int GREEN_BITS, int DSTCN> struct RGB5x52RGBConverter {};    
     template <int DSTCN> struct RGB5x52RGBConverter<5, DSTCN>
     {
         typedef typename TypeVec<uchar, DSTCN>::vec_t dst_t;
@@ -239,7 +238,6 @@ namespace imgproc
     }
 
     template <int SRCCN, int GREEN_BITS> struct RGB2RGB5x5Converter {};
-
     template<int SRCCN> struct RGB2RGB5x5Converter<SRCCN, 6> 
     {
         static __device__ unsigned short cvt(const uchar* src_ptr, int bidx)
@@ -258,7 +256,7 @@ namespace imgproc
     {
         static __device__ unsigned short cvt(const uchar* src_ptr, int bidx)
         {
-            return (unsigned short)((src_ptr[bidx] >> 3) | ((src_ptr[1] & ~7) << 2) | ((src_ptr[bidx^2] & ~7) << 7)|(src_ptr[3] ? 0x8000 : 0));
+            return (unsigned short)((src_ptr[bidx] >> 3) | ((src_ptr[1] & ~7) << 2) | ((src_ptr[bidx^2] & ~7) << 7) | (src_ptr[3] ? 0x8000 : 0));
         }
     };    
 
@@ -343,7 +341,7 @@ namespace cv { namespace gpu { namespace improc
 namespace imgproc
 {
     template <int DSTCN, typename T>
-    __global__ void Gray2RGB(const T* src_, size_t src_step, T* dst_, size_t dst_step, int rows, int cols)
+    __global__ void Gray2RGB(const uchar* src_, size_t src_step, uchar* dst_, size_t dst_step, int rows, int cols)
     {
         typedef typename TypeVec<T, DSTCN>::vec_t dst_t;
 
@@ -352,18 +350,17 @@ namespace imgproc
 
         if (y < rows && x < cols)
         {
-            T src = src_[y * src_step + x];
+            T src = *(const T*)(src_ + y * src_step + x * sizeof(T));
             dst_t dst;
             dst.x = src;
             dst.y = src;
             dst.z = src;
             setAlpha(dst, ColorChannel<T>::max());
-            *(dst_t*)(dst_ + y * dst_step + x * DSTCN) = dst;
+            *(dst_t*)(dst_ + y * dst_step + x * DSTCN * sizeof(T)) = dst;
         }
     }
 
     template <int GREEN_BITS> struct Gray2RGB5x5Converter {};
-
     template<> struct Gray2RGB5x5Converter<6> 
     {
         static __device__ unsigned short cvt(unsigned int t)
@@ -378,7 +375,7 @@ namespace imgproc
             t >>= 3;
             return (unsigned short)(t | (t << 5) | (t << 10));
         }
-    };   
+    };
 
     template<int GREEN_BITS>
     __global__ void Gray2RGB5x5(const uchar* src_, size_t src_step, uchar* dst_, size_t dst_step, int rows, int cols)
@@ -398,7 +395,7 @@ namespace imgproc
 namespace cv { namespace gpu { namespace improc
 {
     template <typename T, int DSTCN>
-    void Gray2RGB_caller(const DevMem2D_<T>& src, const DevMem2D_<T>& dst, cudaStream_t stream)
+    void Gray2RGB_caller(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream)
     {
         dim3 threads(32, 8, 1);
         dim3 grid(1, 1, 1);
@@ -406,14 +403,14 @@ namespace cv { namespace gpu { namespace improc
         grid.x = divUp(src.cols, threads.x);
         grid.y = divUp(src.rows, threads.y);
 
-        imgproc::Gray2RGB<DSTCN><<<grid, threads, 0, stream>>>(src.ptr, src.step / sizeof(T), 
-            dst.ptr, dst.step / sizeof(T), src.rows, src.cols);
+        imgproc::Gray2RGB<DSTCN, T><<<grid, threads, 0, stream>>>(src.ptr, src.step, 
+            dst.ptr, dst.step, src.rows, src.cols);
 
         if (stream == 0)
             cudaSafeCall( cudaThreadSynchronize() );
     }
 
-    void Gray2RGB_gpu(const DevMem2D& src, const DevMem2D& dst, int dstcn, cudaStream_t stream)
+    void Gray2RGB_gpu_8u(const DevMem2D& src, const DevMem2D& dst, int dstcn, cudaStream_t stream)
     {
         typedef void (*Gray2RGB_caller_t)(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
         static const Gray2RGB_caller_t Gray2RGB_callers[] = {Gray2RGB_caller<uchar, 3>, Gray2RGB_caller<uchar, 4>};
@@ -421,17 +418,17 @@ namespace cv { namespace gpu { namespace improc
         Gray2RGB_callers[dstcn - 3](src, dst, stream);
     }
 
-    void Gray2RGB_gpu(const DevMem2D_<unsigned short>& src, const DevMem2D_<unsigned short>& dst, int dstcn, cudaStream_t stream)
+    void Gray2RGB_gpu_16u(const DevMem2D& src, const DevMem2D& dst, int dstcn, cudaStream_t stream)
     {
-        typedef void (*Gray2RGB_caller_t)(const DevMem2D_<unsigned short>& src, const DevMem2D_<unsigned short>& dst, cudaStream_t stream);
+        typedef void (*Gray2RGB_caller_t)(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
         static const Gray2RGB_caller_t Gray2RGB_callers[] = {Gray2RGB_caller<unsigned short, 3>, Gray2RGB_caller<unsigned short, 4>};
 
         Gray2RGB_callers[dstcn - 3](src, dst, stream);
     }
 
-    void Gray2RGB_gpu(const DevMem2Df& src, const DevMem2Df& dst, int dstcn, cudaStream_t stream)
+    void Gray2RGB_gpu_32f(const DevMem2D& src, const DevMem2D& dst, int dstcn, cudaStream_t stream)
     {
-        typedef void (*Gray2RGB_caller_t)(const DevMem2Df& src, const DevMem2Df& dst, cudaStream_t stream);
+        typedef void (*Gray2RGB_caller_t)(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
         static const Gray2RGB_caller_t Gray2RGB_callers[] = {Gray2RGB_caller<float, 3>, Gray2RGB_caller<float, 4>};
 
         Gray2RGB_callers[dstcn - 3](src, dst, stream);
@@ -484,7 +481,6 @@ namespace imgproc
     };
 
     template <int GREEN_BITS> struct RGB5x52GrayConverter {};
-
     template<> struct RGB5x52GrayConverter<6> 
     {
         static __device__ unsigned char cvt(unsigned int t)
@@ -514,223 +510,83 @@ namespace imgproc
         }
     }
 
-    __global__ void RGB2Gray_3(const uchar* src_, size_t src_step, uchar* dst_, size_t dst_step, int rows, int cols, int bidx)
-    {
-		const int x = (blockDim.x * blockIdx.x + threadIdx.x) << 2;
-		const int y = blockDim.y * blockIdx.y + threadIdx.y;
-
-        if (y < rows && x < cols)
-        {
-            const uchar* src = src_ + y * src_step + x * 3;
-
-            uchar t0 = src[bidx], t1 = src[1], t2 = src[bidx ^ 2];
-
-            uchar4 dst;
-            dst.x = (uchar)CV_DESCALE((unsigned)(t0 * B2Y + t1 * G2Y + t2 * R2Y), yuv_shift);
-
-            src += 3;
-            t0 = src[bidx], t1 = src[1], t2 = src[bidx ^ 2];
-            dst.y = (uchar)CV_DESCALE((unsigned)(t0 * B2Y + t1 * G2Y + t2 * R2Y), yuv_shift);
-
-            src += 3;
-            t0 = src[bidx], t1 = src[1], t2 = src[bidx ^ 2];
-            dst.z = (uchar)CV_DESCALE((unsigned)(t0 * B2Y + t1 * G2Y + t2 * R2Y), yuv_shift);
-
-            src += 3;
-            t0 = src[bidx], t1 = src[1], t2 = src[bidx ^ 2];
-            dst.w = (uchar)CV_DESCALE((unsigned)(t0 * B2Y + t1 * G2Y + t2 * R2Y), yuv_shift);
-
-            *(uchar4*)(dst_ + y * dst_step + x) = dst;
-        }
-    }
-
-    __global__ void RGB2Gray_3(const unsigned short* src_, size_t src_step, unsigned short* dst_, size_t dst_step, int rows, int cols, int bidx)
-    {
-		const int x = (blockDim.x * blockIdx.x + threadIdx.x) << 1;
-		const int y = blockDim.y * blockIdx.y + threadIdx.y;
-
-        if (y < rows && x < cols)
-        {
-            const unsigned short* src = src_ + y * src_step + x * 3;
-
-            unsigned short t0 = src[bidx], t1 = src[1], t2 = src[bidx ^ 2];
-
-            ushort2 dst;
-            dst.x = (unsigned short)CV_DESCALE((unsigned)(t0 * B2Y + t1 * G2Y + t2 * R2Y), yuv_shift);
-
-            src += 3;
-            t0 = src[bidx], t1 = src[1], t2 = src[bidx ^ 2];
-            dst.y = (unsigned short)CV_DESCALE((unsigned)(t0 * B2Y + t1 * G2Y + t2 * R2Y), yuv_shift);
-
-            *(ushort2*)(dst_ + y * dst_step + x) = dst;
-        }
-    }
-
-    __global__ void RGB2Gray_3(const float* src_, size_t src_step, float* dst_, size_t dst_step, int rows, int cols, int bidx)
+    template <typename T> struct RGB2GrayConvertor 
     {
-        const float cr = 0.299f;
-        const float cg = 0.587f;
-        const float cb = 0.114f;
-
-		const int x = blockDim.x * blockIdx.x + threadIdx.x;
-		const int y = blockDim.y * blockIdx.y + threadIdx.y;
-
-        if (y < rows && x < cols)
-        {
-            const float* src = src_ + y * src_step + x * 3;
-
-            float t0 = src[bidx], t1 = src[1], t2 = src[bidx ^ 2];
-            *(dst_ + y * dst_step + x) = t0 * cb + t1 * cg + t2 * cr;
-        }
-    }
-
-    __global__ void RGB2Gray_4(const uchar* src_, size_t src_step, uchar* dst_, size_t dst_step, int rows, int cols, int bidx)
-    {
-		const int x = (blockDim.x * blockIdx.x + threadIdx.x) << 2;
-		const int y = blockDim.y * blockIdx.y + threadIdx.y;
-
-        if (y < rows && x < cols)
+        static __device__ T cvt(const T* src, int bidx)
         {
-            uchar4 src = *(uchar4*)(src_ + y * src_step + (x << 2));
-
-            uchar t0 = ((uchar*)(&src))[bidx], t1 = src.y, t2 = ((uchar*)(&src))[bidx ^ 2];
-
-            uchar4 dst;
-            dst.x = (uchar)CV_DESCALE((unsigned)(t0 * B2Y + t1 * G2Y + t2 * R2Y), yuv_shift);
-
-            src = *(uchar4*)(src_ + y * src_step + (x << 2) + 4);
-            t0 = ((uchar*)(&src))[bidx], t1 = src.y, t2 = ((uchar*)(&src))[bidx ^ 2];
-            dst.y = (uchar)CV_DESCALE((unsigned)(t0 * B2Y + t1 * G2Y + t2 * R2Y), yuv_shift);
-
-            src = *(uchar4*)(src_ + y * src_step + (x << 2) + 8);
-            t0 = ((uchar*)(&src))[bidx], t1 = src.y, t2 = ((uchar*)(&src))[bidx ^ 2];
-            dst.z = (uchar)CV_DESCALE((unsigned)(t0 * B2Y + t1 * G2Y + t2 * R2Y), yuv_shift);
-
-            src = *(uchar4*)(src_ + y * src_step + (x << 2) + 12);
-            t0 = ((uchar*)(&src))[bidx], t1 = src.y, t2 = ((uchar*)(&src))[bidx ^ 2];
-            dst.w = (uchar)CV_DESCALE((unsigned)(t0 * B2Y + t1 * G2Y + t2 * R2Y), yuv_shift);
-
-            *(uchar4*)(dst_ + y * dst_step + x) = dst;
+            return (T)CV_DESCALE((unsigned)(src[bidx] * B2Y + src[1] * G2Y + src[bidx^2] * R2Y), yuv_shift);
         }
-    }
-
-    __global__ void RGB2Gray_4(const unsigned short* src_, size_t src_step, unsigned short* dst_, size_t dst_step, int rows, int cols, int bidx)
+    };
+    template <> struct RGB2GrayConvertor<float> 
     {
-		const int x = (blockDim.x * blockIdx.x + threadIdx.x) << 1;
-		const int y = blockDim.y * blockIdx.y + threadIdx.y;
-
-        if (y < rows && x < cols)
+        static __device__ float cvt(const float* src, int bidx)
         {
-            ushort4 src = *(ushort4*)(src_ + y * src_step + (x << 2));
-
-            unsigned short t0 = ((unsigned short*)(&src))[bidx], t1 = src.y, t2 = ((unsigned short*)(&src))[bidx ^ 2];
+            const float cr = 0.299f;
+            const float cg = 0.587f;
+            const float cb = 0.114f;
 
-            ushort2 dst;
-            dst.x = (unsigned short)CV_DESCALE((unsigned)(t0 * B2Y + t1 * G2Y + t2 * R2Y), yuv_shift);
-
-            src = *(ushort4*)(src_ + y * src_step + (x << 2) + 4);
-            t0 = ((unsigned short*)(&src))[bidx], t1 = src.y, t2 = ((unsigned short*)(&src))[bidx ^ 2];
-            dst.y = (unsigned short)CV_DESCALE((unsigned)(t0 * B2Y + t1 * G2Y + t2 * R2Y), yuv_shift);
-
-            *(ushort2*)(dst_ + y * dst_step + x) = dst;
+            return src[bidx] * cb + src[1] * cg + src[bidx^2] * cr;
         }
-    }
+    };
 
-    __global__ void RGB2Gray_4(const float* src_, size_t src_step, float* dst_, size_t dst_step, int rows, int cols, int bidx)
+    template <int SRCCN, typename T>
+    __global__ void RGB2Gray(const uchar* src_, size_t src_step, uchar* dst_, size_t dst_step, int rows, int cols, int bidx)
     {
-        const float cr = 0.299f;
-        const float cg = 0.587f;
-        const float cb = 0.114f;
+        typedef typename TypeVec<T, SRCCN>::vec_t src_t;
 
-		const int x = blockDim.x * blockIdx.x + threadIdx.x;
-		const int y = blockDim.y * blockIdx.y + threadIdx.y;
+        const int x = blockDim.x * blockIdx.x + threadIdx.x;
+        const int y = blockDim.y * blockIdx.y + threadIdx.y;
 
         if (y < rows && x < cols)
         {
-            float4 src = *(float4*)(src_ + y * src_step + (x << 2));
+            src_t src = *(const src_t*)(src_ + y * src_step + x * SRCCN * sizeof(T));
 
-            float t0 = ((float*)(&src))[bidx], t1 = src.y, t2 = ((float*)(&src))[bidx ^ 2];
-            *(dst_ + y * dst_step + x) = t0 * cb + t1 * cg + t2 * cr;
+            *(T*)(dst_ + y * dst_step + x * sizeof(T)) = RGB2GrayConvertor<T>::cvt((const T*)(&src), bidx);
         }
-    }
+    }   
 }
 
 namespace cv { namespace gpu { namespace improc
 {
-    void RGB2Gray_gpu(const DevMem2D& src, int srccn, const DevMem2D& dst, int bidx, cudaStream_t stream)
+    template <typename T, int SRCCN>
+    void RGB2Gray_caller(const DevMem2D& src, const DevMem2D& dst, int bidx, cudaStream_t stream)
     {
         dim3 threads(32, 8, 1);
         dim3 grid(1, 1, 1);
 
-        grid.x = divUp(src.cols, threads.x << 2);
+        grid.x = divUp(src.cols, threads.x);
         grid.y = divUp(src.rows, threads.y);
 
-        switch (srccn)
-        {
-        case 3:
-            imgproc::RGB2Gray_3<<<grid, threads, 0, stream>>>(src.ptr, src.step / sizeof(uchar), dst.ptr, dst.step / sizeof(uchar), src.rows, src.cols, bidx);
-            break;
-        case 4:
-            imgproc::RGB2Gray_4<<<grid, threads, 0, stream>>>(src.ptr, src.step / sizeof(uchar), dst.ptr, dst.step / sizeof(uchar), src.rows, src.cols, bidx);
-            break;
-        default:
-            cv::gpu::error("Unsupported channels count", __FILE__, __LINE__);
-            break;
-        }
+        imgproc::RGB2Gray<SRCCN, T><<<grid, threads, 0, stream>>>(src.ptr, src.step, 
+            dst.ptr, dst.step, src.rows, src.cols, bidx);
 
         if (stream == 0)
             cudaSafeCall( cudaThreadSynchronize() );
     }
 
-    void RGB2Gray_gpu(const DevMem2D_<unsigned short>& src, int srccn, const DevMem2D_<unsigned short>& dst, int bidx, cudaStream_t stream)
+    void RGB2Gray_gpu_8u(const DevMem2D& src, int srccn, const DevMem2D& dst, int bidx, cudaStream_t stream)
     {
-        dim3 threads(32, 8, 1);
-        dim3 grid(1, 1, 1);
-
-        grid.x = divUp(src.cols, threads.x << 1);
-        grid.y = divUp(src.rows, threads.y);
+        typedef void (*RGB2Gray_caller_t)(const DevMem2D& src, const DevMem2D& dst, int bidx, cudaStream_t stream);
+        RGB2Gray_caller_t RGB2Gray_callers[] = {RGB2Gray_caller<unsigned char, 3>, RGB2Gray_caller<unsigned char, 4>};
 
-        switch (srccn)
-        {
-        case 3:
-            imgproc::RGB2Gray_3<<<grid, threads, 0, stream>>>(src.ptr, src.step / sizeof(unsigned short), dst.ptr, dst.step / sizeof(unsigned short), src.rows, src.cols, bidx);
-            break;
-        case 4:
-            imgproc::RGB2Gray_4<<<grid, threads, 0, stream>>>(src.ptr, src.step / sizeof(unsigned short), dst.ptr, dst.step / sizeof(unsigned short), src.rows, src.cols, bidx);
-            break;
-        default:
-            cv::gpu::error("Unsupported channels count", __FILE__, __LINE__);
-            break;
-        }
-
-        if (stream == 0)
-            cudaSafeCall( cudaThreadSynchronize() );
+        RGB2Gray_callers[srccn - 3](src, dst, bidx, stream);
     }
 
-    void RGB2Gray_gpu(const DevMem2Df& src, int srccn, const DevMem2Df& dst, int bidx, cudaStream_t stream)
+    void RGB2Gray_gpu_16u(const DevMem2D& src, int srccn, const DevMem2D& dst, int bidx, cudaStream_t stream)
     {
-        dim3 threads(32, 8, 1);
-        dim3 grid(1, 1, 1);
+        typedef void (*RGB2Gray_caller_t)(const DevMem2D& src, const DevMem2D& dst, int bidx, cudaStream_t stream);
+        RGB2Gray_caller_t RGB2Gray_callers[] = {RGB2Gray_caller<unsigned short, 3>, RGB2Gray_caller<unsigned short, 4>};
 
-        grid.x = divUp(src.cols, threads.x);
-        grid.y = divUp(src.rows, threads.y);
+        RGB2Gray_callers[srccn - 3](src, dst, bidx, stream);
+    }
 
-        switch (srccn)
-        {
-        case 3:
-            imgproc::RGB2Gray_3<<<grid, threads, 0, stream>>>(src.ptr, src.step / sizeof(float), dst.ptr, dst.step / sizeof(float), src.rows, src.cols, bidx);
-            break;
-        case 4:
-            imgproc::RGB2Gray_4<<<grid, threads, 0, stream>>>(src.ptr, src.step / sizeof(float), dst.ptr, dst.step / sizeof(float), src.rows, src.cols, bidx);
-            break;
-        default:
-            cv::gpu::error("Unsupported channels count", __FILE__, __LINE__);
-            break;
-        }
+    void RGB2Gray_gpu_32f(const DevMem2D& src, int srccn, const DevMem2D& dst, int bidx, cudaStream_t stream)
+    {
+        typedef void (*RGB2Gray_caller_t)(const DevMem2D& src, const DevMem2D& dst, int bidx, cudaStream_t stream);
+        RGB2Gray_caller_t RGB2Gray_callers[] = {RGB2Gray_caller<float, 3>, RGB2Gray_caller<float, 4>};
 
-        if (stream == 0)
-            cudaSafeCall( cudaThreadSynchronize() );
-    }
+        RGB2Gray_callers[srccn - 3](src, dst, bidx, stream);
+    }    
 
     template <int GREEN_BITS>
     void RGB5x52Gray_caller(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream)
@@ -784,7 +640,6 @@ namespace imgproc
             dst.z = saturate_cast<T>(Cb);
         }
     };
-
     template<> struct RGB2YCrCbConverter<float>
     {
         typedef typename TypeVec<float, 3>::vec_t dst_t;
@@ -832,7 +687,6 @@ namespace imgproc
             dst[bidx^2] = saturate_cast<T>(r);
         }
     };
-
     template <> struct YCrCb2RGBConvertor<float>
     {
         typedef typename TypeVec<float, 3>::vec_t src_t;
@@ -982,185 +836,194 @@ namespace cv { namespace gpu { namespace improc
 
 ////////////////////////////////////// RGB <-> XYZ ///////////////////////////////////////
 
-//namespace imgproc
-//{
-//    static const float sRGB2XYZ_D65[] =
-//    {
-//        0.412453f, 0.357580f, 0.180423f,
-//        0.212671f, 0.715160f, 0.072169f,
-//        0.019334f, 0.119193f, 0.950227f
-//    };
-//
-//    static const float XYZ2sRGB_D65[] =
-//    {
-//        3.240479f, -1.53715f, -0.498535f,
-//        -0.969256f, 1.875991f, 0.041556f,
-//        0.055648f, -0.204043f, 1.057311f
-//    };
-//
-//    template<typename _Tp> struct RGB2XYZ_f
-//    {
-//        typedef _Tp channel_type;
-//
-//        RGB2XYZ_f(int _srccn, int blueIdx, const float* _coeffs) : srccn(_srccn)
-//        {
-//            memcpy(coeffs, _coeffs ? _coeffs : sRGB2XYZ_D65, 9*sizeof(coeffs[0]));
-//            if(blueIdx == 0)
-//            {
-//                std::swap(coeffs[0], coeffs[2]);
-//                std::swap(coeffs[3], coeffs[5]);
-//                std::swap(coeffs[6], coeffs[8]);
-//            }
-//        }
-//        void operator()(const _Tp* src, _Tp* dst, int n) const
-//        {
-//            int scn = srccn;
-//            float C0 = coeffs[0], C1 = coeffs[1], C2 = coeffs[2],
-//                  C3 = coeffs[3], C4 = coeffs[4], C5 = coeffs[5],
-//                  C6 = coeffs[6], C7 = coeffs[7], C8 = coeffs[8];
-//
-//            n *= 3;
-//            for(int i = 0; i < n; i += 3, src += scn)
-//            {
-//			    _Tp X = saturate_cast<_Tp>(src[0]*C0 + src[1]*C1 + src[2]*C2);
-//			    _Tp Y = saturate_cast<_Tp>(src[0]*C3 + src[1]*C4 + src[2]*C5);
-//			    _Tp Z = saturate_cast<_Tp>(src[0]*C6 + src[1]*C7 + src[2]*C8);
-//                dst[i] = X; dst[i+1] = Y; dst[i+2] = Z;
-//            }
-//        }
-//        int srccn;
-//        float coeffs[9];
-//    };
-//
-//    template<typename _Tp> struct RGB2XYZ_i
-//    {
-//        typedef _Tp channel_type;
-//
-//        RGB2XYZ_i(int _srccn, int blueIdx, const float* _coeffs) : srccn(_srccn)
-//        {
-//            static const int coeffs0[] =
-//            {
-//                1689,    1465,    739,
-//                871,     2929,    296,
-//                79,      488,     3892
-//            };
-//            for( int i = 0; i < 9; i++ )
-//                coeffs[i] = _coeffs ? cvRound(_coeffs[i]*(1 << xyz_shift)) : coeffs0[i];
-//            if(blueIdx == 0)
-//            {
-//                std::swap(coeffs[0], coeffs[2]);
-//                std::swap(coeffs[3], coeffs[5]);
-//                std::swap(coeffs[6], coeffs[8]);
-//            }
-//        }
-//        void operator()(const _Tp* src, _Tp* dst, int n) const
-//        {
-//            int scn = srccn;
-//            int C0 = coeffs[0], C1 = coeffs[1], C2 = coeffs[2],
-//                C3 = coeffs[3], C4 = coeffs[4], C5 = coeffs[5],
-//                C6 = coeffs[6], C7 = coeffs[7], C8 = coeffs[8];
-//            n *= 3;
-//            for(int i = 0; i < n; i += 3, src += scn)
-//            {
-//                int X = CV_DESCALE(src[0]*C0 + src[1]*C1 + src[2]*C2, xyz_shift);
-//                int Y = CV_DESCALE(src[0]*C3 + src[1]*C4 + src[2]*C5, xyz_shift);
-//                int Z = CV_DESCALE(src[0]*C6 + src[1]*C7 + src[2]*C8, xyz_shift);
-//                dst[i] = saturate_cast<_Tp>(X); dst[i+1] = saturate_cast<_Tp>(Y);
-//                dst[i+2] = saturate_cast<_Tp>(Z);
-//            }
-//        }
-//        int srccn;
-//        int coeffs[9];
-//    };
-//
-//    template<typename _Tp> struct XYZ2RGB_f
-//    {
-//        typedef _Tp channel_type;
-//
-//        XYZ2RGB_f(int _dstcn, int _blueIdx, const float* _coeffs)
-//        : dstcn(_dstcn), blueIdx(_blueIdx)
-//        {
-//            memcpy(coeffs, _coeffs ? _coeffs : XYZ2sRGB_D65, 9*sizeof(coeffs[0]));
-//            if(blueIdx == 0)
-//            {
-//                std::swap(coeffs[0], coeffs[6]);
-//                std::swap(coeffs[1], coeffs[7]);
-//                std::swap(coeffs[2], coeffs[8]);
-//            }
-//        }
-//
-//        void operator()(const _Tp* src, _Tp* dst, int n) const
-//        {
-//            int dcn = dstcn;
-//		    _Tp alpha = ColorChannel<_Tp>::max();
-//            float C0 = coeffs[0], C1 = coeffs[1], C2 = coeffs[2],
-//                  C3 = coeffs[3], C4 = coeffs[4], C5 = coeffs[5],
-//                  C6 = coeffs[6], C7 = coeffs[7], C8 = coeffs[8];
-//            n *= 3;
-//            for(int i = 0; i < n; i += 3, dst += dcn)
-//            {
-//			    _Tp B = saturate_cast<_Tp>(src[i]*C0 + src[i+1]*C1 + src[i+2]*C2);
-//			    _Tp G = saturate_cast<_Tp>(src[i]*C3 + src[i+1]*C4 + src[i+2]*C5);
-//			    _Tp R = saturate_cast<_Tp>(src[i]*C6 + src[i+1]*C7 + src[i+2]*C8);
-//                dst[0] = B; dst[1] = G; dst[2] = R;
-//			    if( dcn == 4 )
-//				    dst[3] = alpha;
-//            }
-//        }
-//        int dstcn, blueIdx;
-//        float coeffs[9];
-//    };
-//
-//    template<typename _Tp> struct XYZ2RGB_i
-//    {
-//        typedef _Tp channel_type;
-//
-//        XYZ2RGB_i(int _dstcn, int _blueIdx, const int* _coeffs)
-//        : dstcn(_dstcn), blueIdx(_blueIdx)
-//        {
-//            static const int coeffs0[] =
-//            {
-//                13273,  -6296,  -2042,
-//                -3970,   7684,    170,
-//                  228,   -836,   4331
-//            };
-//            for(int i = 0; i < 9; i++)
-//                coeffs[i] = _coeffs ? cvRound(_coeffs[i]*(1 << xyz_shift)) : coeffs0[i];
-//
-//            if(blueIdx == 0)
-//            {
-//                std::swap(coeffs[0], coeffs[6]);
-//                std::swap(coeffs[1], coeffs[7]);
-//                std::swap(coeffs[2], coeffs[8]);
-//            }
-//        }
-//        void operator()(const _Tp* src, _Tp* dst, int n) const
-//        {
-//            int dcn = dstcn;
-//            _Tp alpha = ColorChannel<_Tp>::max();
-//            int C0 = coeffs[0], C1 = coeffs[1], C2 = coeffs[2],
-//                C3 = coeffs[3], C4 = coeffs[4], C5 = coeffs[5],
-//                C6 = coeffs[6], C7 = coeffs[7], C8 = coeffs[8];
-//            n *= 3;
-//            for(int i = 0; i < n; i += 3, dst += dcn)
-//            {
-//                int B = CV_DESCALE(src[i]*C0 + src[i+1]*C1 + src[i+2]*C2, xyz_shift);
-//                int G = CV_DESCALE(src[i]*C3 + src[i+1]*C4 + src[i+2]*C5, xyz_shift);
-//                int R = CV_DESCALE(src[i]*C6 + src[i+1]*C7 + src[i+2]*C8, xyz_shift);
-//                dst[0] = saturate_cast<_Tp>(B); dst[1] = saturate_cast<_Tp>(G);
-//                dst[2] = saturate_cast<_Tp>(R);
-//                if( dcn == 4 )
-//				    dst[3] = alpha;
-//            }
-//        }
-//        int dstcn, blueIdx;
-//        int coeffs[9];
-//    };
-//}
-//
-//namespace cv { namespace gpu { namespace impl
-//{
-//}}}
+namespace imgproc
+{
+    __constant__ float cXYZ_D65f[9];
+    __constant__ int cXYZ_D65i[9];
+
+    template <typename T> struct RGB2XYZConvertor
+    {
+        typedef typename TypeVec<T, 3>::vec_t dst_t;
+        static __device__ dst_t cvt(const T* src)
+        {
+            dst_t dst;
+
+	        dst.x = saturate_cast<T>(CV_DESCALE(src[0] * cXYZ_D65i[0] + src[1] * cXYZ_D65i[1] + src[2] * cXYZ_D65i[2], xyz_shift));
+	        dst.y = saturate_cast<T>(CV_DESCALE(src[0] * cXYZ_D65i[3] + src[1] * cXYZ_D65i[4] + src[2] * cXYZ_D65i[5], xyz_shift));
+	        dst.z = saturate_cast<T>(CV_DESCALE(src[0] * cXYZ_D65i[6] + src[1] * cXYZ_D65i[7] + src[2] * cXYZ_D65i[8], xyz_shift));
+
+            return dst;
+        }
+    };
+    template <> struct RGB2XYZConvertor<float>
+    {
+        typedef typename TypeVec<float, 3>::vec_t dst_t;
+        static __device__ dst_t cvt(const float* src)
+        {
+            dst_t dst;
+
+	        dst.x = src[0] * cXYZ_D65f[0] + src[1] * cXYZ_D65f[1] + src[2] * cXYZ_D65f[2];
+	        dst.y = src[0] * cXYZ_D65f[3] + src[1] * cXYZ_D65f[4] + src[2] * cXYZ_D65f[5];
+	        dst.z = src[0] * cXYZ_D65f[6] + src[1] * cXYZ_D65f[7] + src[2] * cXYZ_D65f[8];
+
+            return dst;
+        }
+    };
+
+    template <int SRCCN, typename T>
+    __global__ void RGB2XYZ(const uchar* src_, size_t src_step, uchar* dst_, size_t dst_step, int rows, int cols)
+    {
+        typedef typename TypeVec<T, SRCCN>::vec_t src_t;
+        typedef typename TypeVec<T, 3>::vec_t dst_t;
+
+		const int x = blockDim.x * blockIdx.x + threadIdx.x;
+		const int y = blockDim.y * blockIdx.y + threadIdx.y;
+
+        if (y < rows && x < cols)
+        {
+            src_t src = *(const src_t*)(src_ + y * src_step + x * SRCCN * sizeof(T));
+            
+            *(dst_t*)(dst_ + y * dst_step + x * 3 * sizeof(T)) = RGB2XYZConvertor<T>::cvt((const T*)(&src));
+        }
+    }
+
+    template <typename T> struct XYZ2RGBConvertor
+    {
+        typedef typename TypeVec<T, 3>::vec_t src_t;
+        static __device__ void cvt(const src_t& src, T* dst)
+        {
+            dst[0] = saturate_cast<T>(CV_DESCALE(src.x * cXYZ_D65i[0] + src.y * cXYZ_D65i[1] + src.z * cXYZ_D65i[2], xyz_shift));
+		    dst[1] = saturate_cast<T>(CV_DESCALE(src.x * cXYZ_D65i[3] + src.y * cXYZ_D65i[4] + src.z * cXYZ_D65i[5], xyz_shift));
+		    dst[2] = saturate_cast<T>(CV_DESCALE(src.x * cXYZ_D65i[6] + src.y * cXYZ_D65i[7] + src.z * cXYZ_D65i[8], xyz_shift));
+        }
+    };
+    template <> struct XYZ2RGBConvertor<float>
+    {
+        typedef typename TypeVec<float, 3>::vec_t src_t;
+        static __device__ void cvt(const src_t& src, float* dst)
+        {
+            dst[0] = src.x * cXYZ_D65f[0] + src.y * cXYZ_D65f[1] + src.z * cXYZ_D65f[2];
+		    dst[1] = src.x * cXYZ_D65f[3] + src.y * cXYZ_D65f[4] + src.z * cXYZ_D65f[5];
+		    dst[2] = src.x * cXYZ_D65f[6] + src.y * cXYZ_D65f[7] + src.z * cXYZ_D65f[8];
+        }
+    };
+
+    template <int DSTCN, typename T>
+    __global__ void XYZ2RGB(const uchar* src_, size_t src_step, uchar* dst_, size_t dst_step, int rows, int cols)
+    {
+        typedef typename TypeVec<T, 3>::vec_t src_t;
+        typedef typename TypeVec<T, DSTCN>::vec_t dst_t;
+
+		const int x = blockDim.x * blockIdx.x + threadIdx.x;
+		const int y = blockDim.y * blockIdx.y + threadIdx.y;
+
+        if (y < rows && x < cols)
+        {
+            src_t src = *(const src_t*)(src_ + y * src_step + x * 3 * sizeof(T));
+
+            dst_t dst;
+            XYZ2RGBConvertor<T>::cvt(src, (T*)(&dst));
+            setAlpha(dst, ColorChannel<T>::max());
+            
+            *(dst_t*)(dst_ + y * dst_step + x * DSTCN * sizeof(T)) = dst;
+        }
+    }
+}
+
+namespace cv { namespace gpu { namespace improc
+{
+    template <typename T, int SRCCN>
+    void RGB2XYZ_caller(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream)
+    {
+        dim3 threads(32, 8, 1);
+        dim3 grid(1, 1, 1);
+
+        grid.x = divUp(src.cols, threads.x);
+        grid.y = divUp(src.rows, threads.y);
+
+        imgproc::RGB2XYZ<SRCCN, T><<<grid, threads, 0, stream>>>(src.ptr, src.step, 
+            dst.ptr, dst.step, src.rows, src.cols);
+
+        if (stream == 0)
+            cudaSafeCall( cudaThreadSynchronize() );
+    }
+
+    void RGB2XYZ_gpu_8u(const DevMem2D& src, int srccn, const DevMem2D& dst, const int* coeffs, cudaStream_t stream)
+    {
+        typedef void (*RGB2XYZ_caller_t)(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
+        static const RGB2XYZ_caller_t RGB2XYZ_callers[] = {RGB2XYZ_caller<uchar, 3>, RGB2XYZ_caller<uchar, 4>};
+
+        cudaSafeCall( cudaMemcpyToSymbol(imgproc::cXYZ_D65i, coeffs, 9 * sizeof(int)) );
+
+        RGB2XYZ_callers[srccn-3](src, dst, stream);
+    }
+
+    void RGB2XYZ_gpu_16u(const DevMem2D& src, int srccn, const DevMem2D& dst, const int* coeffs, cudaStream_t stream)
+    {
+        typedef void (*RGB2XYZ_caller_t)(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
+        static const RGB2XYZ_caller_t RGB2XYZ_callers[] = {RGB2XYZ_caller<unsigned short, 3>, RGB2XYZ_caller<unsigned short, 4>};
+        
+        cudaSafeCall( cudaMemcpyToSymbol(imgproc::cXYZ_D65i, coeffs, 9 * sizeof(int)) );
+
+        RGB2XYZ_callers[srccn-3](src, dst, stream);
+    }
+
+    void RGB2XYZ_gpu_32f(const DevMem2D& src, int srccn, const DevMem2D& dst, const float* coeffs, cudaStream_t stream)
+    {
+        typedef void (*RGB2XYZ_caller_t)(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
+        static const RGB2XYZ_caller_t RGB2XYZ_callers[] = {RGB2XYZ_caller<float, 3>, RGB2XYZ_caller<float, 4>};
+        
+        cudaSafeCall( cudaMemcpyToSymbol(imgproc::cXYZ_D65f, coeffs, 9 * sizeof(float)) );
+
+        RGB2XYZ_callers[srccn-3](src, dst, stream);
+    }
+    
+    template <typename T, int DSTCN>
+    void XYZ2RGB_caller(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream)
+    {
+        dim3 threads(32, 8, 1);
+        dim3 grid(1, 1, 1);
+
+        grid.x = divUp(src.cols, threads.x);
+        grid.y = divUp(src.rows, threads.y);
+
+        imgproc::XYZ2RGB<DSTCN, T><<<grid, threads, 0, stream>>>(src.ptr, src.step, 
+            dst.ptr, dst.step, src.rows, src.cols);
+
+        if (stream == 0)
+            cudaSafeCall( cudaThreadSynchronize() );
+    }
+
+    void XYZ2RGB_gpu_8u(const DevMem2D& src, const DevMem2D& dst, int dstcn, const int* coeffs, cudaStream_t stream)
+    {
+        typedef void (*XYZ2RGB_caller_t)(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
+        static const XYZ2RGB_caller_t XYZ2RGB_callers[] = {XYZ2RGB_caller<uchar, 3>, XYZ2RGB_caller<uchar, 4>};
+
+        cudaSafeCall( cudaMemcpyToSymbol(imgproc::cXYZ_D65i, coeffs, 9 * sizeof(int)) );
+
+        XYZ2RGB_callers[dstcn-3](src, dst, stream);
+    }
+
+    void XYZ2RGB_gpu_16u(const DevMem2D& src, const DevMem2D& dst, int dstcn, const int* coeffs, cudaStream_t stream)
+    {
+        typedef void (*XYZ2RGB_caller_t)(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
+        static const XYZ2RGB_caller_t XYZ2RGB_callers[] = {XYZ2RGB_caller<unsigned short, 3>, XYZ2RGB_caller<unsigned short, 4>};
+        
+        cudaSafeCall( cudaMemcpyToSymbol(imgproc::cXYZ_D65i, coeffs, 9 * sizeof(int)) );
+
+        XYZ2RGB_callers[dstcn-3](src, dst, stream);
+    }
+
+    void XYZ2RGB_gpu_32f(const DevMem2D& src, const DevMem2D& dst, int dstcn, const float* coeffs, cudaStream_t stream)
+    {
+        typedef void (*XYZ2RGB_caller_t)(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
+        static const XYZ2RGB_caller_t XYZ2RGB_callers[] = {XYZ2RGB_caller<float, 3>, XYZ2RGB_caller<float, 4>};
+        
+        cudaSafeCall( cudaMemcpyToSymbol(imgproc::cXYZ_D65f, coeffs, 9 * sizeof(float)) );
+
+        XYZ2RGB_callers[dstcn-3](src, dst, stream);
+    }
+}}}
 
 ////////////////////////////////////// RGB <-> HSV ///////////////////////////////////////
 
diff --git a/modules/gpu/src/filtering_npp.cpp b/modules/gpu/src/filtering_npp.cpp
index ae97244..4a9fd88 100644
--- a/modules/gpu/src/filtering_npp.cpp
+++ b/modules/gpu/src/filtering_npp.cpp
@@ -51,6 +51,9 @@ using namespace cv::gpu;
 void cv::gpu::erode( const GpuMat&, GpuMat&, const Mat&, Point, int) { throw_nogpu(); }
 void cv::gpu::dilate( const GpuMat&, GpuMat&, const Mat&, Point, int) { throw_nogpu(); }
 void cv::gpu::morphologyEx( const GpuMat&, GpuMat&, int, const Mat&, Point, int) { throw_nogpu(); }
+void cv::gpu::boxFilter(const GpuMat&, GpuMat&, Size, Point) { throw_nogpu(); }
+void cv::gpu::sumWindowColumn(const GpuMat&, GpuMat&, int, int) { throw_nogpu(); }
+void cv::gpu::sumWindowRow(const GpuMat&, GpuMat&, int, int) { throw_nogpu(); }
 
 #else
 
@@ -64,10 +67,10 @@ namespace
         CV_Assert(src.type() == CV_8U || src.type() == CV_8UC4);        
         CV_Assert(kernel.type() == CV_8U && (kernel.cols & 1) != 0 && (kernel.rows & 1) != 0);
 
-        if (anchor.x == -1)
-            anchor.x = 0;
-        if (anchor.y == -1)
-            anchor.y = 0;
+        if( anchor.x == -1 )
+            anchor.x = kernel.cols / 2;
+        if( anchor.y == -1 )
+            anchor.y = kernel.rows / 2;
 
         // in NPP for Cuda 3.1 only such anchor is supported.
         CV_Assert(anchor.x == 0 && anchor.y == 0);
@@ -94,10 +97,16 @@ namespace
         anc.y = anchor.y;
         
         dst.create(src.size(), src.type());
+        GpuMat dstBuf;
+        if (iterations > 1)
+            dstBuf.create(src.size(), src.type());
 
         nppSafeCall( func(src.ptr<Npp8u>(), src.step, dst.ptr<Npp8u>(), dst.step, sz, gpu_krnl.ptr<Npp8u>(), mask_sz, anc) );
         for(int i = 1; i < iterations; ++i)
-            nppSafeCall( func(dst.ptr<Npp8u>(), dst.step, dst.ptr<Npp8u>(), dst.step, sz, gpu_krnl.ptr<Npp8u>(), mask_sz, anc) );
+        {
+            dst.swap(dstBuf);
+            nppSafeCall( func(dstBuf.ptr<Npp8u>(), dstBuf.step, dst.ptr<Npp8u>(), dst.step, sz, gpu_krnl.ptr<Npp8u>(), mask_sz, anc) );
+        }
     }
 }
 
@@ -154,4 +163,78 @@ void cv::gpu::morphologyEx( const GpuMat& src, GpuMat& dst, int op, const Mat& k
     }
 }
 
+////////////////////////////////////////////////////////////////////////
+// boxFilter
+
+void cv::gpu::boxFilter(const GpuMat& src, GpuMat& dst, Size ksize, Point anchor)
+{
+    CV_Assert(src.type() == CV_8UC1 || src.type() == CV_8UC4);
+    CV_Assert(ksize.height == 3 || ksize.height == 5 || ksize.height == 7);
+    CV_Assert(ksize.height == ksize.width);
+
+    if (anchor.x == -1)
+        anchor.x = 0;
+    if (anchor.y == -1)
+        anchor.y = 0;
+
+    CV_Assert(anchor.x == 0 && anchor.y == 0);
+
+    dst.create(src.size(), src.type());
+
+    NppiSize srcsz;
+    srcsz.height = src.rows;
+    srcsz.width = src.cols;
+    NppiSize masksz;
+    masksz.height = ksize.height;
+    masksz.width = ksize.width;
+    NppiPoint anc;
+    anc.x = anchor.x;
+    anc.y = anchor.y;
+
+    if (src.type() == CV_8UC1)
+    {
+        nppSafeCall( nppiFilterBox_8u_C1R(src.ptr<Npp8u>(), src.step, dst.ptr<Npp8u>(), dst.step, srcsz, masksz, anc) );
+    }
+    else
+    {
+        nppSafeCall( nppiFilterBox_8u_C4R(src.ptr<Npp8u>(), src.step, dst.ptr<Npp8u>(), dst.step, srcsz, masksz, anc) );
+    }
+}
+
+////////////////////////////////////////////////////////////////////////
+// sumWindow Filter
+
+namespace
+{
+    typedef NppStatus (*nppSumWindow_t)(const Npp8u * pSrc, Npp32s nSrcStep, 
+                                        Npp32f * pDst, Npp32s nDstStep, NppiSize oROI, 
+                                        Npp32s nMaskSize, Npp32s nAnchor);
+
+    inline void sumWindowCaller(nppSumWindow_t func, const GpuMat& src, GpuMat& dst, int ksize, int anchor)
+    {
+        CV_Assert(src.type() == CV_8UC1);
+        
+        if (anchor == -1)
+            anchor = ksize / 2;
+
+        NppiSize sz;
+        sz.width = src.cols;
+        sz.height = src.rows;
+
+        dst.create(src.size(), CV_32FC1);
+
+        nppSafeCall( func(src.ptr<Npp8u>(), src.step, dst.ptr<Npp32f>(), dst.step, sz, ksize, anchor) );
+    }
+}
+
+void cv::gpu::sumWindowColumn(const GpuMat& src, GpuMat& dst, int ksize, int anchor)
+{
+    sumWindowCaller(nppiSumWindowColumn_8u32f_C1R, src, dst, ksize, anchor);
+}
+
+void cv::gpu::sumWindowRow(const GpuMat& src, GpuMat& dst, int ksize, int anchor)
+{
+    sumWindowCaller(nppiSumWindowRow_8u32f_C1R, src, dst, ksize, anchor);
+}
+
 #endif
diff --git a/modules/gpu/src/imgproc_gpu.cpp b/modules/gpu/src/imgproc_gpu.cpp
index 0600e15..815aa86 100644
--- a/modules/gpu/src/imgproc_gpu.cpp
+++ b/modules/gpu/src/imgproc_gpu.cpp
@@ -62,7 +62,6 @@ void cv::gpu::warpAffine(const GpuMat&, GpuMat&, const Mat&, Size, int) { throw_
 void cv::gpu::warpPerspective(const GpuMat&, GpuMat&, const Mat&, Size, int) { throw_nogpu(); }
 void cv::gpu::rotate(const GpuMat&, GpuMat&, Size, double, double, double, int) { throw_nogpu(); }
 void cv::gpu::integral(GpuMat&, GpuMat&, GpuMat&) { throw_nogpu(); }
-void cv::gpu::boxFilter(const GpuMat&, GpuMat&, Size, Point) { throw_nogpu(); }
 
 #else /* !defined (HAVE_CUDA) */
 
@@ -88,14 +87,14 @@ namespace cv { namespace gpu
         void RGB5x52RGB_gpu(const DevMem2D& src, int green_bits, const DevMem2D& dst, int dstcn, int bidx, cudaStream_t stream);
         void RGB2RGB5x5_gpu(const DevMem2D& src, int srccn, const DevMem2D& dst, int green_bits, int bidx, cudaStream_t stream);
 
-        void Gray2RGB_gpu(const DevMem2D& src, const DevMem2D& dst, int dstcn, cudaStream_t stream);
-        void Gray2RGB_gpu(const DevMem2D_<ushort>& src, const DevMem2D_<ushort>& dst, int dstcn, cudaStream_t stream);
-        void Gray2RGB_gpu(const DevMem2Df& src, const DevMem2Df& dst, int dstcn, cudaStream_t stream);
+        void Gray2RGB_gpu_8u(const DevMem2D& src, const DevMem2D& dst, int dstcn, cudaStream_t stream);
+        void Gray2RGB_gpu_16u(const DevMem2D& src, const DevMem2D& dst, int dstcn, cudaStream_t stream);
+        void Gray2RGB_gpu_32f(const DevMem2D& src, const DevMem2D& dst, int dstcn, cudaStream_t stream);
         void Gray2RGB5x5_gpu(const DevMem2D& src, const DevMem2D& dst, int green_bits, cudaStream_t stream);
 
-        void RGB2Gray_gpu(const DevMem2D& src, int srccn, const DevMem2D& dst, int bidx, cudaStream_t stream);
-        void RGB2Gray_gpu(const DevMem2D_<ushort>& src, int srccn, const DevMem2D_<ushort>& dst, int bidx, cudaStream_t stream);
-        void RGB2Gray_gpu(const DevMem2Df& src, int srccn, const DevMem2Df& dst, int bidx, cudaStream_t stream);
+        void RGB2Gray_gpu_8u(const DevMem2D& src, int srccn, const DevMem2D& dst, int bidx, cudaStream_t stream);
+        void RGB2Gray_gpu_16u(const DevMem2D& src, int srccn, const DevMem2D& dst, int bidx, cudaStream_t stream);
+        void RGB2Gray_gpu_32f(const DevMem2D& src, int srccn, const DevMem2D& dst, int bidx, cudaStream_t stream);
         void RGB5x52Gray_gpu(const DevMem2D& src, int green_bits, const DevMem2D& dst, cudaStream_t stream);
 
         void RGB2YCrCb_gpu_8u(const DevMem2D& src, int srccn, const DevMem2D& dst, int bidx, const int* coeffs, cudaStream_t stream);
@@ -105,6 +104,14 @@ namespace cv { namespace gpu
         void YCrCb2RGB_gpu_8u(const DevMem2D& src, const DevMem2D& dst, int dstcn, int bidx, const int* coeffs, cudaStream_t stream);
         void YCrCb2RGB_gpu_16u(const DevMem2D& src, const DevMem2D& dst, int dstcn, int bidx, const int* coeffs, cudaStream_t stream);
         void YCrCb2RGB_gpu_32f(const DevMem2D& src, const DevMem2D& dst, int dstcn, int bidx, const float* coeffs, cudaStream_t stream);
+
+        void RGB2XYZ_gpu_8u(const DevMem2D& src, int srccn, const DevMem2D& dst, const int* coeffs, cudaStream_t stream);
+        void RGB2XYZ_gpu_16u(const DevMem2D& src, int srccn, const DevMem2D& dst, const int* coeffs, cudaStream_t stream);
+        void RGB2XYZ_gpu_32f(const DevMem2D& src, int srccn, const DevMem2D& dst, const float* coeffs, cudaStream_t stream);
+
+        void XYZ2RGB_gpu_8u(const DevMem2D& src, const DevMem2D& dst, int dstcn, const int* coeffs, cudaStream_t stream);
+        void XYZ2RGB_gpu_16u(const DevMem2D& src, const DevMem2D& dst, int dstcn, const int* coeffs, cudaStream_t stream);
+        void XYZ2RGB_gpu_32f(const DevMem2D& src, const DevMem2D& dst, int dstcn, const float* coeffs, cudaStream_t stream);
     }
 }}
 
@@ -312,11 +319,11 @@ namespace
                 bidx = code == CV_BGR2GRAY || code == CV_BGRA2GRAY ? 0 : 2;
                 
                 if( depth == CV_8U )
-                    improc::RGB2Gray_gpu((DevMem2D)src, scn, (DevMem2D)out, bidx, stream);
+                    improc::RGB2Gray_gpu_8u(src, scn, out, bidx, stream);
                 else if( depth == CV_16U )
-                    improc::RGB2Gray_gpu((DevMem2D_<unsigned short>)src, scn, (DevMem2D_<unsigned short>)out, bidx, stream);
+                    improc::RGB2Gray_gpu_16u(src, scn, out, bidx, stream);
                 else
-                    improc::RGB2Gray_gpu((DevMem2Df)src, scn, (DevMem2Df)out, bidx, stream);
+                    improc::RGB2Gray_gpu_32f(src, scn, out, bidx, stream);
                 break;
             
             case CV_BGR5652GRAY: case CV_BGR5552GRAY:
@@ -335,11 +342,11 @@ namespace
                 out.create(sz, CV_MAKETYPE(depth, dcn));
                 
                 if( depth == CV_8U )
-                    improc::Gray2RGB_gpu((DevMem2D)src, (DevMem2D)out, dcn, stream);
+                    improc::Gray2RGB_gpu_8u(src, out, dcn, stream);
                 else if( depth == CV_16U )
-                    improc::Gray2RGB_gpu((DevMem2D_<unsigned short>)src, (DevMem2D_<unsigned short>)out, dcn, stream);
+                    improc::Gray2RGB_gpu_16u(src, out, dcn, stream);
                 else
-                    improc::Gray2RGB_gpu((DevMem2Df)src, (DevMem2Df)out, dcn, stream);
+                    improc::Gray2RGB_gpu_32f(src, out, dcn, stream);
                 break;
                 
             case CV_GRAY2BGR565: case CV_GRAY2BGR555:
@@ -414,34 +421,97 @@ namespace
                 }
                 break;
             
-            //case CV_BGR2XYZ: case CV_RGB2XYZ:
-            //    CV_Assert( scn == 3 || scn == 4 );
-            //    bidx = code == CV_BGR2XYZ ? 0 : 2;
-            //    
-            //    dst.create(sz, CV_MAKETYPE(depth, 3));
-            //    
-            //    if( depth == CV_8U )
-            //        CvtColorLoop(src, dst, RGB2XYZ_i<uchar>(scn, bidx, 0));
-            //    else if( depth == CV_16U )
-            //        CvtColorLoop(src, dst, RGB2XYZ_i<ushort>(scn, bidx, 0));
-            //    else
-            //        CvtColorLoop(src, dst, RGB2XYZ_f<float>(scn, bidx, 0));
-            //    break;
+            case CV_BGR2XYZ: case CV_RGB2XYZ:
+                {
+                    CV_Assert( scn == 3 || scn == 4 );
+
+                    bidx = code == CV_BGR2XYZ ? 0 : 2;
+
+                    static const float RGB2XYZ_D65f[] =
+                    {
+                        0.412453f, 0.357580f, 0.180423f,
+                        0.212671f, 0.715160f, 0.072169f,
+                        0.019334f, 0.119193f, 0.950227f
+                    };
+                    static const int RGB2XYZ_D65i[] =
+                    {
+                        1689,    1465,    739,
+                        871,     2929,    296,
+                        79,      488,     3892
+                    };
+
+                    float coeffs_f[9];
+                    int coeffs_i[9];
+                    ::memcpy(coeffs_f, RGB2XYZ_D65f, 9 * sizeof(float));
+                    ::memcpy(coeffs_i, RGB2XYZ_D65i, 9 * sizeof(int));
+
+                    if (bidx == 0) 
+                    {
+                        std::swap(coeffs_f[0], coeffs_f[2]);
+                        std::swap(coeffs_f[3], coeffs_f[5]);
+                        std::swap(coeffs_f[6], coeffs_f[8]);
+                        
+                        std::swap(coeffs_i[0], coeffs_i[2]);
+                        std::swap(coeffs_i[3], coeffs_i[5]);
+                        std::swap(coeffs_i[6], coeffs_i[8]);
+                    }
+                        
+                    out.create(sz, CV_MAKETYPE(depth, 3));
+                    
+                    if( depth == CV_8U )
+                        improc::RGB2XYZ_gpu_8u(src, scn, out, coeffs_i, stream);
+                    else if( depth == CV_16U )
+                        improc::RGB2XYZ_gpu_16u(src, scn, out, coeffs_i, stream);
+                    else
+                        improc::RGB2XYZ_gpu_32f(src, scn, out, coeffs_f, stream);
+                }
+                break;
             
-            //case CV_XYZ2BGR: case CV_XYZ2RGB:
-            //    if( dcn <= 0 ) dcn = 3;
-            //    CV_Assert( scn == 3 && (dcn == 3 || dcn == 4) );
-            //    bidx = code == CV_XYZ2BGR ? 0 : 2;
-            //    
-            //    dst.create(sz, CV_MAKETYPE(depth, dcn));
-            //    
-            //    if( depth == CV_8U )
-            //        CvtColorLoop(src, dst, XYZ2RGB_i<uchar>(dcn, bidx, 0));
-            //    else if( depth == CV_16U )
-            //        CvtColorLoop(src, dst, XYZ2RGB_i<ushort>(dcn, bidx, 0));
-            //    else
-            //        CvtColorLoop(src, dst, XYZ2RGB_f<float>(dcn, bidx, 0));
-            //    break;
+            case CV_XYZ2BGR: case CV_XYZ2RGB:
+                {
+                    if (dcn <= 0) dcn = 3;
+                    CV_Assert( scn == 3 && (dcn == 3 || dcn == 4) );
+                    bidx = code == CV_XYZ2BGR ? 0 : 2;
+
+                    static const float XYZ2sRGB_D65f[] =
+                    {
+                        3.240479f, -1.53715f, -0.498535f,
+                        -0.969256f, 1.875991f, 0.041556f,
+                        0.055648f, -0.204043f, 1.057311f
+                    };
+                    static const int XYZ2sRGB_D65i[] =
+                    {
+                        13273,  -6296,  -2042,
+                        -3970,   7684,    170,
+                          228,   -836,   4331
+                    };
+
+                    float coeffs_f[9];
+                    int coeffs_i[9];
+                    ::memcpy(coeffs_f, XYZ2sRGB_D65f, 9 * sizeof(float));
+                    ::memcpy(coeffs_i, XYZ2sRGB_D65i, 9 * sizeof(int));
+
+                    if (bidx == 0) 
+                    {
+                        std::swap(coeffs_f[0], coeffs_f[6]);
+                        std::swap(coeffs_f[1], coeffs_f[7]);
+                        std::swap(coeffs_f[2], coeffs_f[8]);
+                        
+                        std::swap(coeffs_i[0], coeffs_i[6]);
+                        std::swap(coeffs_i[1], coeffs_i[7]);
+                        std::swap(coeffs_i[2], coeffs_i[8]);
+                    }
+                        
+                    out.create(sz, CV_MAKETYPE(depth, dcn));
+                    
+                    if( depth == CV_8U )
+                        improc::XYZ2RGB_gpu_8u(src, out, dcn, coeffs_i, stream);
+                    else if( depth == CV_16U )
+                        improc::XYZ2RGB_gpu_16u(src, out, dcn, coeffs_i, stream);
+                    else
+                        improc::XYZ2RGB_gpu_32f(src, out, dcn, coeffs_f, stream);
+                }
+                break;
                 
             //case CV_BGR2HSV: case CV_RGB2HSV: case CV_BGR2HSV_FULL: case CV_RGB2HSV_FULL:
             //case CV_BGR2HLS: case CV_RGB2HLS: case CV_BGR2HLS_FULL: case CV_RGB2HLS_FULL:
@@ -916,42 +986,4 @@ void cv::gpu::integral(GpuMat& src, GpuMat& sum, GpuMat& sqsum)
         sum.step, sqsum.ptr<Npp32f>(), sqsum.step, sz, 0, 0.0f, h) );
 }
 
-////////////////////////////////////////////////////////////////////////
-// boxFilter
-
-void cv::gpu::boxFilter(const GpuMat& src, GpuMat& dst, Size ksize, Point anchor)
-{
-    CV_Assert(src.type() == CV_8UC1 || src.type() == CV_8UC4);
-    CV_Assert(ksize.height == 3 || ksize.height == 5 || ksize.height == 7);
-    CV_Assert(ksize.height == ksize.width);
-
-    if (anchor.x == -1)
-        anchor.x = 0;
-    if (anchor.y == -1)
-        anchor.y = 0;
-
-    CV_Assert(anchor.x == 0 && anchor.y == 0);
-
-    dst.create(src.size(), src.type());
-
-    NppiSize srcsz;
-    srcsz.height = src.rows;
-    srcsz.width = src.cols;
-    NppiSize masksz;
-    masksz.height = ksize.height;
-    masksz.width = ksize.width;
-    NppiPoint anc;
-    anc.x = anchor.x;
-    anc.y = anchor.y;
-
-    if (src.type() == CV_8UC1)
-    {
-        nppSafeCall( nppiFilterBox_8u_C1R(src.ptr<Npp8u>(), src.step, dst.ptr<Npp8u>(), dst.step, srcsz, masksz, anc) );
-    }
-    else
-    {
-        nppSafeCall( nppiFilterBox_8u_C4R(src.ptr<Npp8u>(), src.step, dst.ptr<Npp8u>(), dst.step, srcsz, masksz, anc) );
-    }
-}
-
 #endif /* !defined (HAVE_CUDA) */
diff --git a/modules/gpu/src/matrix_operations.cpp b/modules/gpu/src/matrix_operations.cpp
index 13451d7..7b1837d 100644
--- a/modules/gpu/src/matrix_operations.cpp
+++ b/modules/gpu/src/matrix_operations.cpp
@@ -132,7 +132,8 @@ void cv::gpu::GpuMat::convertTo( GpuMat& dst, int rtype, double alpha, double be
         rtype = type();
     else
         rtype = CV_MAKETYPE(CV_MAT_DEPTH(rtype), channels());
-
+    
+    int stype = type();
     int sdepth = depth(), ddepth = CV_MAT_DEPTH(rtype);
     if( sdepth == ddepth && noScale )
     {
@@ -146,7 +147,50 @@ void cv::gpu::GpuMat::convertTo( GpuMat& dst, int rtype, double alpha, double be
         psrc = &(temp = *this);
 
     dst.create( size(), rtype );
-    matrix_operations::convert_to(*psrc, sdepth, dst, ddepth, psrc->channels(), alpha, beta);
+
+    if (!noScale)
+        matrix_operations::convert_to(*psrc, sdepth, dst, ddepth, psrc->channels(), alpha, beta);
+    else
+    {
+        NppiSize sz;
+        sz.width = cols;
+        sz.height = rows;
+
+        if (stype == CV_8UC1 && ddepth == CV_16U)
+            nppSafeCall( nppiConvert_8u16u_C1R(psrc->ptr<Npp8u>(), psrc->step, dst.ptr<Npp16u>(), dst.step, sz) );
+        else if (stype == CV_16UC1 && ddepth == CV_8U)
+            nppSafeCall( nppiConvert_16u8u_C1R(psrc->ptr<Npp16u>(), psrc->step, dst.ptr<Npp8u>(), dst.step, sz) );
+        else if (stype == CV_8UC4 && ddepth == CV_16U)
+            nppSafeCall( nppiConvert_8u16u_C4R(psrc->ptr<Npp8u>(), psrc->step, dst.ptr<Npp16u>(), dst.step, sz) );
+        else if (stype == CV_16UC4 && ddepth == CV_8U)
+            nppSafeCall( nppiConvert_16u8u_C4R(psrc->ptr<Npp16u>(), psrc->step, dst.ptr<Npp8u>(), dst.step, sz) );
+        else if (stype == CV_8UC1 && ddepth == CV_16S)
+            nppSafeCall( nppiConvert_8u16s_C1R(psrc->ptr<Npp8u>(), psrc->step, dst.ptr<Npp16s>(), dst.step, sz) );
+        else if (stype == CV_16SC1 && ddepth == CV_8U)
+            nppSafeCall( nppiConvert_16s8u_C1R(psrc->ptr<Npp16s>(), psrc->step, dst.ptr<Npp8u>(), dst.step, sz) );
+        else if (stype == CV_8UC4 && ddepth == CV_16S)
+            nppSafeCall( nppiConvert_8u16s_C4R(psrc->ptr<Npp8u>(), psrc->step, dst.ptr<Npp16s>(), dst.step, sz) );
+        else if (stype == CV_16SC4 && ddepth == CV_8U)
+            nppSafeCall( nppiConvert_16s8u_C4R(psrc->ptr<Npp16s>(), psrc->step, dst.ptr<Npp8u>(), dst.step, sz) );
+        else if (stype == CV_16SC1 && ddepth == CV_32F)
+            nppSafeCall( nppiConvert_16s32f_C1R(psrc->ptr<Npp16s>(), psrc->step, dst.ptr<Npp32f>(), dst.step, sz) );
+        else if (stype == CV_32FC1 && ddepth == CV_16S)
+            nppSafeCall( nppiConvert_32f16s_C1R(psrc->ptr<Npp32f>(), psrc->step, dst.ptr<Npp16s>(), dst.step, sz, NPP_RND_NEAR) );
+        else if (stype == CV_8UC1 && ddepth == CV_32F)
+            nppSafeCall( nppiConvert_8u32f_C1R(psrc->ptr<Npp8u>(), psrc->step, dst.ptr<Npp32f>(), dst.step, sz) );
+        else if (stype == CV_32FC1 && ddepth == CV_8U)
+            nppSafeCall( nppiConvert_32f8u_C1R(psrc->ptr<Npp32f>(), psrc->step, dst.ptr<Npp8u>(), dst.step, sz, NPP_RND_NEAR) );
+        else if (stype == CV_16UC1 && ddepth == CV_32F)
+            nppSafeCall( nppiConvert_16u32f_C1R(psrc->ptr<Npp16u>(), psrc->step, dst.ptr<Npp32f>(), dst.step, sz) );
+        else if (stype == CV_32FC1 && ddepth == CV_16U)
+            nppSafeCall( nppiConvert_32f16u_C1R(psrc->ptr<Npp32f>(), psrc->step, dst.ptr<Npp16u>(), dst.step, sz, NPP_RND_NEAR) );
+        else if (stype == CV_16UC1 && ddepth == CV_32S)
+            nppSafeCall( nppiConvert_16u32s_C1R(psrc->ptr<Npp16u>(), psrc->step, dst.ptr<Npp32s>(), dst.step, sz) );
+        else if (stype == CV_16SC1 && ddepth == CV_32S)
+            nppSafeCall( nppiConvert_16s32s_C1R(psrc->ptr<Npp16s>(), psrc->step, dst.ptr<Npp32s>(), dst.step, sz) );
+        else
+            matrix_operations::convert_to(*psrc, sdepth, dst, ddepth, psrc->channels(), 1.0, 0.0);
+    }
 }
 
 GpuMat& GpuMat::operator = (const Scalar& s)
diff --git a/tests/gpu/src/gputest_main.cpp b/tests/gpu/src/gputest_main.cpp
index d4b9b3f..0833ffe 100644
--- a/tests/gpu/src/gputest_main.cpp
+++ b/tests/gpu/src/gputest_main.cpp
@@ -47,12 +47,11 @@ const char* blacklist[] =
 {    
     "GPU-NppImageSum",              // crash
     "GPU-MatOperatorAsyncCall",     // crash
-    //"GPU-NppErode",                 // npp func returns error code (CUDA_KERNEL_LAUNCH_ERROR or TEXTURE_BIND_ERROR)
-    //"GPU-NppDilate",                // npp func returns error code (CUDA_KERNEL_LAUNCH_ERROR or TEXTURE_BIND_ERROR)
-    //"GPU-NppMorphologyEx",          // npp func returns error code (CUDA_KERNEL_LAUNCH_ERROR or TEXTURE_BIND_ERROR)
+    //"GPU-NppErode",                 // different border interpolation
+    //"GPU-NppMorphologyEx",          // different border interpolation
     //"GPU-NppImageDivide",           // different round mode
     //"GPU-NppImageMeanStdDev",       // different precision
-    //"GPU-NppImageMinNax",           // npp bug
+    //"GPU-NppImageMinNax",           // npp bug - don't find min/max near right border
     //"GPU-NppImageResize",           // different precision in interpolation
     //"GPU-NppImageWarpAffine",       // different precision in interpolation
     //"GPU-NppImageWarpPerspective",  // different precision in interpolation
@@ -61,6 +60,7 @@ const char* blacklist[] =
     //"GPU-NppImageExp",              // different precision
     //"GPU-NppImageLog",              // different precision
     //"GPU-NppImageMagnitude",        // different precision
+    //"GPU-NppImageSumWindow",        // different border interpolation
     0
 };
 
diff --git a/tests/gpu/src/imgproc_gpu.cpp b/tests/gpu/src/imgproc_gpu.cpp
index 9094458..ce6cebc 100644
--- a/tests/gpu/src/imgproc_gpu.cpp
+++ b/tests/gpu/src/imgproc_gpu.cpp
@@ -452,6 +452,47 @@ struct CV_GpuNppImageBlurTest : public CV_GpuImageProcTest
 };
 
 ////////////////////////////////////////////////////////////////////////////////
+// sumWindow
+struct CV_GpuNppImageSumWindowTest : public CV_GpuImageProcTest
+{
+    CV_GpuNppImageSumWindowTest() : CV_GpuImageProcTest( "GPU-NppImageSumWindow", "sumWindow" ) {}
+
+    int test(const Mat& img)
+    {
+        if (img.type() != CV_8UC1)
+        {
+            ts->printf(CvTS::LOG, "\nUnsupported type\n");
+            return CvTS::OK;
+        }
+
+        int ksizes[] = {3, 5, 7};
+        int ksizes_num = sizeof(ksizes) / sizeof(int);
+
+        int test_res = CvTS::OK;        
+
+        for (int i = 0; i < ksizes_num; ++i)
+        {
+            ts->printf(CvTS::LOG, "\nksize = %d\n", ksizes[i]);
+
+            Mat cpudst(img.size(), CV_64FC1, Scalar());
+            cv::Ptr<cv::BaseRowFilter> ft = cv::getRowSumFilter(CV_8UC1, CV_64FC1, ksizes[i], 0);
+            for (int y = 0; y < img.rows; ++y)
+                (*ft)(img.ptr(y), cpudst.ptr(y), img.cols, 1);
+            cpudst.convertTo(cpudst, CV_32F);
+
+            GpuMat gpu1(img);
+            GpuMat gpudst;
+            cv::gpu::sumWindowRow(gpu1, gpudst, ksizes[i], 0);
+
+            if (CheckNorm(cpudst, gpudst) != CvTS::OK)
+                test_res = CvTS::FAIL_GENERIC;
+        }
+
+        return test_res;
+    }
+};
+
+////////////////////////////////////////////////////////////////////////////////
 // cvtColor
 class CV_GpuCvtColorTest : public CvTest
 {
@@ -501,11 +542,13 @@ void CV_GpuCvtColorTest::run( int )
         int codes[] = { CV_BGR2RGB, CV_RGB2BGRA, CV_BGRA2RGB,
                         CV_RGB2BGR555, CV_BGR5552BGR, CV_BGR2BGR565, CV_BGR5652RGB, 
                         CV_RGB2YCrCb, CV_YCrCb2BGR, CV_BGR2YUV, CV_YUV2RGB,
+                        CV_RGB2XYZ, CV_XYZ2BGR, CV_BGR2XYZ, CV_XYZ2RGB,
                         CV_RGB2GRAY, CV_GRAY2BGRA, CV_BGRA2GRAY,
                         CV_GRAY2BGR555, CV_BGR5552GRAY, CV_GRAY2BGR565, CV_BGR5652GRAY};
         const char* codes_str[] = { "CV_BGR2RGB", "CV_RGB2BGRA", "CV_BGRA2RGB",
                                     "CV_RGB2BGR555", "CV_BGR5552BGR", "CV_BGR2BGR565", "CV_BGR5652RGB", 
                                     "CV_RGB2YCrCb", "CV_YCrCb2BGR", "CV_BGR2YUV", "CV_YUV2RGB",
+                                    "CV_RGB2XYZ", "CV_XYZ2BGR", "CV_BGR2XYZ", "CV_XYZ2RGB",
                                     "CV_RGB2GRAY", "CV_GRAY2BGRA", "CV_BGRA2GRAY",
                                     "CV_GRAY2BGR555", "CV_BGR5552GRAY", "CV_GRAY2BGR565", "CV_BGR5652GRAY"};
         int codes_num = sizeof(codes) / sizeof(int);
@@ -554,4 +597,5 @@ CV_GpuNppImageWarpAffineTest CV_GpuNppImageWarpAffine_test;
 CV_GpuNppImageWarpPerspectiveTest CV_GpuNppImageWarpPerspective_test;
 CV_GpuNppImageIntegralTest CV_GpuNppImageIntegral_test;
 CV_GpuNppImageBlurTest CV_GpuNppImageBlur_test;
-CV_GpuCvtColorTest CV_GpuCvtColor_test;
+CV_GpuNppImageSumWindowTest CV_GpuNppImageSumWindow_test;
+CV_GpuCvtColorTest CV_GpuCvtColor_test;
\ No newline at end of file
diff --git a/tests/gpu/src/morf_filters.cpp b/tests/gpu/src/morf_filters.cpp
index f90a33f..f27bc05 100644
--- a/tests/gpu/src/morf_filters.cpp
+++ b/tests/gpu/src/morf_filters.cpp
@@ -69,7 +69,7 @@ protected:
 
     int test8UC4(const Mat& img)
     {
-        cv::Mat img_C4;    
+        cv::Mat img_C4;
         cvtColor(img, img_C4, CV_BGR2BGRA);    
         return test(img_C4);
     }
@@ -111,7 +111,7 @@ void CV_GpuNppMorphogyTest::run( int )
         {
             ts->set_failed_test_info(testResult);
             return;
-        }        
+        }    
     }
     catch(const cv::Exception& e)
     {
@@ -134,10 +134,10 @@ protected:
 	virtual int test(const Mat& img)
     {
         GpuMat kernel(Mat::ones(3, 3, CV_8U));
-        Point anchor(-1, -1);
-        int iters = 3;
+        Point anchor(0, 0);
+        int iters = 1;
 
-	    cv::Mat cpuRes;
+	    cv::Mat cpuRes, cpuRes1;
         cv::erode(img, cpuRes, kernel, anchor, iters);
 
 	    GpuMat gpuRes;
@@ -158,13 +158,13 @@ protected:
 	virtual int test(const Mat& img)
     {
         GpuMat kernel(Mat::ones(3, 3, CV_8U));
-        Point anchor(-1, -1);
-        int iters = 3;
+        Point anchor(0, 0);
+        int iters = 1;
 
-	    cv::Mat cpuRes;
+	    cv::Mat cpuRes, cpuRes1;
         cv::dilate(img, cpuRes, kernel, anchor, iters);
 
-	    GpuMat gpuRes;
+	    GpuMat gpuRes, gpuRes1;
         cv::gpu::dilate(GpuMat(img), gpuRes, kernel, anchor, iters);
 	
 	    return CheckNorm(cpuRes, gpuRes);
@@ -186,8 +186,8 @@ protected:
         int num = sizeof(ops)/sizeof(ops[0]);
 
         GpuMat kernel(Mat::ones(3, 3, CV_8U));
-        Point anchor(-1, -1);
-        int iters = 3;
+        Point anchor(0, 0);
+        int iters = 1;
 
         for(int i = 0; i < num; ++i)
         {
diff --git a/tests/gpu/src/operator_convert_to.cpp b/tests/gpu/src/operator_convert_to.cpp
index 7cdf66d..9353219 100644
--- a/tests/gpu/src/operator_convert_to.cpp
+++ b/tests/gpu/src/operator_convert_to.cpp
@@ -83,8 +83,6 @@ void CV_GpuMatOpConvertToTest::run(int /* start_from */)
                     const int dst_type = types[j];
 
                     cv::RNG rng(*ts->get_rng());
-                    const double alpha = rng.uniform(0.0, 2.0);
-                    const double beta = rng.uniform(-75.0, 75.0);
 
                     Mat cpumatsrc(img_size, src_type);
                     rng.fill(cpumatsrc, RNG::UNIFORM, Scalar::all(0), Scalar::all(300));
@@ -93,8 +91,8 @@ void CV_GpuMatOpConvertToTest::run(int /* start_from */)
                     Mat cpumatdst;
                     GpuMat gpumatdst;
 
-                    cpumatsrc.convertTo(cpumatdst, dst_type, alpha, beta);
-                    gpumatsrc.convertTo(gpumatdst, dst_type, alpha, beta);
+                    cpumatsrc.convertTo(cpumatdst, dst_type);
+                    gpumatsrc.convertTo(gpumatdst, dst_type);
 
                     double r = norm(cpumatdst, gpumatdst, NORM_INF);
                     if (r > 1)