added GPU implementation of morphology functions (using NPP) and tests for it.

added npp_error function
added check_and_treat_gpu_exception function for tests_gpu

modules/core/include/opencv2/core/types_c.h

@@ -231,7 +231,8 @@ enum {
  CV_StsBadMemBlock=            -214, /* an allocated block has been corrupted */
  CV_StsAssert=                 -215, /* assertion failed */    
  CV_GpuNotFound=               -216,  
- CV_GpuApiCallError=           -217 
+ CV_GpuApiCallError=           -217, 
+ CV_GpuNppCallError=           -218  
 };
 
 /****************************************************************************************\

modules/gpu/include/opencv2/gpu/gpu.hpp

@@ -437,6 +437,16 @@ namespace cv
         CV_EXPORTS void cvtColor(const GpuMat& src, GpuMat& dst, int code, int dcn = 0);
         CV_EXPORTS void cvtColor(const GpuMat& src, GpuMat& dst, int code, int dcn, const Stream& stream);
 
+
+        //! erodes the image (applies the local minimum operator)
+        CV_EXPORTS void erode( const GpuMat& src, GpuMat& dst, const Mat& kernel, Point anchor, int iterations);
+
+        //! dilates the image (applies the local maximum operator)
+        CV_EXPORTS void dilate( const GpuMat& src, GpuMat& dst, const Mat& kernel, Point anchor, int iterations);
+
+        //! 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);
+
         //////////////////////////////// StereoBM_GPU ////////////////////////////////
 
         class CV_EXPORTS StereoBM_GPU

modules/gpu/src/cuda/safe_call.hpp

@@ -59,6 +59,7 @@ namespace cv
     namespace gpu
     {
         extern "C" void error( const char *error_string, const char *file, const int line, const char *func = "");
+        extern "C" void npp_error( int error, const char *file, const int line, const char *func = "");   
 
         static inline void ___cudaSafeCall(cudaError_t err, const char *file, const int line, const char *func = "")
         {
@@ -69,7 +70,7 @@ namespace cv
         static inline void ___nppSafeCall(NppStatus err, const char *file, const int line, const char *func = "")
         {
             if (err < 0)
-                cv::gpu::error("NPP Error", file, line, func);
+                cv::gpu::npp_error(err, file, line, func);
         }
     }
 }

modules/gpu/src/filtering_npp.cpp

+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "precomp.hpp"
+
+using namespace cv;
+using namespace cv::gpu;
+
+
+#if !defined (HAVE_CUDA)
+
+void cv::gpu::erode( const GpuMat& src, GpuMat& dst, const Mat& kernel, Point anchor, int iterations) { throw_nogpu(); }
+void cv::gpu::dilate( const GpuMat& src, GpuMat& dst, const Mat& kernel, Point anchor, int iterations) { throw_nogpu(); }
+void morphologyEx( const GpuMat& src, GpuMat& dst, int op, const Mat& kernel, Point anchor, int iterations) { throw_nogpu(); }
+
+#else
+
+namespace 
+{
+    typedef NppStatus (*npp_morf_func)(const Npp8u*, Npp32s, Npp8u*, Npp32s, NppiSize, const Npp8u*, NppiSize, NppiPoint);
+
+
+    void morphoogy_caller(npp_morf_func func, const GpuMat& src, GpuMat& dst, const Mat& kernel, Point anchor, int iterations)
+    {
+        CV_Assert(src.type() == CV_8U || src.type() == CV_8UC4);        
+        CV_Assert(kernel.isContinuous() && kernel.type() == CV_8U && (kernel.cols & 1) != 0 && (kernel.rows & 1) != 0);
+
+        // in NPP for Cuda 3.1 only such anchor is supported.
+        CV_Assert(anchor.x == kernel.cols/2 && anchor.y == kernel.rows/2);
+        
+        NppiSize sz;
+        sz.width = src.cols;
+        sz.height = dst.rows;
+
+        NppiSize mask_sz;
+        mask_sz.width = kernel.cols;
+        mask_sz.height = kernel.rows;
+
+        NppiPoint anc;
+        anc.x = anchor.x;
+        anc.y = anchor.y;
+        
+        dst.create(src.size(), src.type());
+
+        for(int i = 0; i < iterations; ++i)
+            nppSafeCall( func(src.ptr<Npp8u>(), src.step, dst.ptr<Npp8u>(), dst.step, sz, kernel.ptr<Npp8u>(), mask_sz, anc) );
+    }
+}
+
+
+void cv::gpu::erode( const GpuMat& src, GpuMat& dst, const Mat& kernel, Point anchor, int iterations)
+{
+    static npp_morf_func funcs[] = {0, nppiErode_8u_C1R, 0, 0, nppiErode_8u_C4R };
+
+    morphoogy_caller(funcs[src.channels()], src, dst, kernel, anchor, iterations);    
+}
+
+void cv::gpu::dilate( const GpuMat& src, GpuMat& dst, const Mat& kernel, Point anchor, int iterations)
+{
+    static npp_morf_func funcs[] = {0, nppiDilate_8u_C1R, 0, 0, nppiDilate_8u_C4R };
+    morphoogy_caller(funcs[src.channels()], src, dst, kernel, anchor, iterations);
+}
+
+void cv::gpu::morphologyEx( const GpuMat& src, GpuMat& dst, int op, const Mat& kernel, Point anchor, int iterations)
+{
+    GpuMat temp;
+    switch( op )
+    {
+    case MORPH_ERODE:   erode( src, dst, kernel, anchor, iterations); break;    
+    case MORPH_DILATE: dilate( src, dst, kernel, anchor, iterations); break;    
+    case MORPH_OPEN:
+         erode( src, dst, kernel, anchor, iterations);
+        dilate( dst, dst, kernel, anchor, iterations);
+        break;
+    case CV_MOP_CLOSE:
+        dilate( src, dst, kernel, anchor, iterations);
+         erode( dst, dst, kernel, anchor, iterations);
+        break;
+    case CV_MOP_GRADIENT:
+         erode( src, temp, kernel, anchor, iterations);
+        dilate( src, dst, kernel, anchor, iterations);        
+        subtract(dst, temp, dst);
+        break;
+    case CV_MOP_TOPHAT:
+        if( src.data != dst.data )
+            temp = dst;
+        erode( src, temp, kernel, anchor, iterations);
+        dilate( temp, temp, kernel, anchor, iterations);        
+        subtract(src, temp, dst);
+        break;
+    case CV_MOP_BLACKHAT:
+        if( src.data != dst.data )
+            temp = dst;
+        dilate( src, temp, kernel, anchor, iterations);
+        erode( temp, temp, kernel, anchor, iterations);
+        dst = temp - src;
+        subtract(temp, src, dst);
+        break;
+    default:
+        CV_Error( CV_StsBadArg, "unknown morphological operation" );
+    }
+}
+
+#endif

modules/gpu/src/npp_error.cpp

+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "precomp.hpp"
+
+using namespace cv;
+using namespace cv::gpu;
+
+
+#if !defined (HAVE_CUDA)
+
+#else /* !defined (HAVE_CUDA) */
+
+
+namespace 
+{
+    struct NppError
+    {
+        int error;
+        const char* str;
+    } 
+    npp_errors [] = 
+    {
+        { NPP_NOT_SUPPORTED_MODE_ERROR, "NPP_NOT_SUPPORTED_MODE_ERROR" },
+        { NPP_ROUND_MODE_NOT_SUPPORTED_ERROR, "NPP_ROUND_MODE_NOT_SUPPORTED_ERROR" },
+        { NPP_RESIZE_NO_OPERATION_ERROR, "NPP_RESIZE_NO_OPERATION_ERROR" },
+        { NPP_BAD_ARG_ERROR, "NPP_BAD_ARG_ERROR" },
+        { NPP_LUT_NUMBER_OF_LEVELS_ERROR, "NPP_LUT_NUMBER_OF_LEVELS_ERROR" },
+        { NPP_TEXTURE_BIND_ERROR, "NPP_TEXTURE_BIND_ERROR" },
+        { NPP_COEFF_ERROR, "NPP_COEFF_ERROR" },
+        { NPP_RECT_ERROR, "NPP_RECT_ERROR" },
+        { NPP_QUAD_ERROR, "NPP_QUAD_ERROR" },
+        { NPP_WRONG_INTERSECTION_ROI_ERROR, "NPP_WRONG_INTERSECTION_ROI_ERROR" },
+        { NPP_NOT_EVEN_STEP_ERROR, "NPP_NOT_EVEN_STEP_ERROR" },
+        { NPP_INTERPOLATION_ERROR, "NPP_INTERPOLATION_ERROR" },
+        { NPP_RESIZE_FACTOR_ERROR, "NPP_RESIZE_FACTOR_ERROR" },
+        { NPP_HAAR_CLASSIFIER_PIXEL_MATCH_ERROR, "NPP_HAAR_CLASSIFIER_PIXEL_MATCH_ERROR" },
+        { NPP_MEMFREE_ERR, "NPP_MEMFREE_ERR" },
+        { NPP_MEMSET_ERR, "NPP_MEMSET_ERR" },
+        { NPP_MEMCPY_ERROR, "NPP_MEMCPY_ERROR" },
+        { NPP_MEM_ALLOC_ERR, "NPP_MEM_ALLOC_ERR" },
+        { NPP_HISTO_NUMBER_OF_LEVELS_ERROR, "NPP_HISTO_NUMBER_OF_LEVELS_ERROR" },
+        { NPP_MIRROR_FLIP_ERR, "NPP_MIRROR_FLIP_ERR" },
+        { NPP_INVALID_INPUT, "NPP_INVALID_INPUT" },
+        { NPP_ALIGNMENT_ERROR, "NPP_ALIGNMENT_ERROR" },
+        { NPP_STEP_ERROR, "NPP_STEP_ERROR" },
+        { NPP_SIZE_ERROR, "NPP_SIZE_ERROR" },
+        { NPP_POINTER_ERROR, "NPP_POINTER_ERROR" },
+        { NPP_NULL_POINTER_ERROR, "NPP_NULL_POINTER_ERROR" },
+        { NPP_CUDA_KERNEL_EXECUTION_ERROR, "NPP_CUDA_KERNEL_EXECUTION_ERROR" },
+        { NPP_NOT_IMPLEMENTED_ERROR, "NPP_NOT_IMPLEMENTED_ERROR" },
+        { NPP_ERROR, "NPP_ERROR" }, 
+        { NPP_NO_ERROR, "NPP_NO_ERROR" },
+        { NPP_SUCCESS, "NPP_SUCCESS" },
+        { NPP_WARNING, "NPP_WARNING" },
+        { NPP_WRONG_INTERSECTION_QUAD_WARNING, "NPP_WRONG_INTERSECTION_QUAD_WARNING" },
+        { NPP_MISALIGNED_DST_ROI_WARNING, "NPP_MISALIGNED_DST_ROI_WARNING" },
+        { NPP_AFFINE_QUAD_INCORRECT_WARNING, "NPP_AFFINE_QUAD_INCORRECT_WARNING" },
+        { NPP_AFFINE_QUAD_CHANGED_WARNING, "NPP_AFFINE_QUAD_CHANGED_WARNING" },
+        { NPP_ADJUSTED_ROI_SIZE_WARNING, "NPP_ADJUSTED_ROI_SIZE_WARNING" },
+        { NPP_DOUBLE_SIZE_WARNING, "NPP_DOUBLE_SIZE_WARNING" },
+        { NPP_ODD_ROI_WARNING, "NPP_ODD_ROI_WARNING" }
+    };
+
+    int error_num = sizeof(npp_errors)/sizeof(npp_errors[0]);
+
+    struct Searcher
+    {
+        int err;
+        Searcher(int err_) : err(err_) {};
+        bool operator()(const NppError& e) const { return e.error == err; }
+    };
+
+}
+
+namespace cv
+{
+    namespace gpu
+    {
+        extern "C" const char* getNppErrorString( int err )
+        {
+            int idx = std::find_if(npp_errors, npp_errors + error_num, Searcher(err)) - npp_errors;
+
+            return (idx != error_num) ? npp_errors[idx].str : "";             
+        }
+
+        extern "C" void npp_error( int err, const char *file, const int line, const char *func)
+        {                    
+            cv::error( cv::Exception(CV_GpuNppCallError, getNppErrorString(err), func, file, line) );                
+        }
+    }
+}
+
+#endif
\ No newline at end of file

modules/gpu/src/precomp.hpp

@@ -53,6 +53,7 @@
 #include <iostream>
 #include <limits>
 #include <vector>
+#include <algorithm>
 
 #include "opencv2/gpu/gpu.hpp"
 #include "opencv2/imgproc/imgproc.hpp"
@@ -62,7 +63,7 @@
     #include "cuda_shared.hpp"
     #include "cuda_runtime_api.h"
     #include "opencv2/gpu/stream_accessor.hpp"
-    #include "npp.h"
+    #include "npp.h"    
 
 #else /* defined(HAVE_CUDA) */
 

tests/CMakeLists.txt

@@ -7,9 +7,11 @@ add_subdirectory(cxts)
 
 if(WITH_CUDA)
     set (BUILD_TESTS_GPU OFF CACHE BOOL "Build tests GPU")
-endif()
-
-if(BUILD_TESTS_GPU AND WITH_CUDA)
+	
+	if(BUILD_TESTS_GPU AND WITH_CUDA)
         add_subdirectory(gpu)
+	endif()
 endif()
 
+
+

tests/gpu/src/gputest.hpp

@@ -64,4 +64,28 @@
 
 #endif /* _CXCORE_TEST_H_ */
 
+
+inline bool check_and_treat_gpu_exception(const cv::Exception& e, CvTS* ts)
+{
+    switch (e.code)
+    {
+    case CV_GpuNotFound: 
+        ts->printf(CvTS::CONSOLE, "\nGpu not found"); 
+        break;
+
+    case CV_GpuApiCallError: 
+        ts->printf(CvTS::CONSOLE, "\nGPU Error: %s", e.what());
+        break;
+
+    case CV_GpuNppCallError: 
+        ts->printf(CvTS::CONSOLE, "\nNPP Error: %s", e.what());
+        break;
+
+    default:
+        return false;
+    }
+    ts->set_failed_test_info(CvTS::FAIL_GENERIC);                        
+    return true;
+}
+
 /* End of file. */

tests/gpu/src/morf_filters.cpp

+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                        Intel License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000, Intel Corporation, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of Intel Corporation may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include <iostream>
+#include <cmath>
+#include <limits>
+#include "gputest.hpp"
+#include "opencv2/imgproc/imgproc.hpp"
+#include "opencv2/highgui/highgui.hpp"
+
+using namespace cv;
+using namespace std;
+using namespace gpu;
+
+class CV_GpuNppMorphogyTest : public CvTest
+{
+public:
+    CV_GpuNppMorphogyTest(const char* test_name, const char* test_funcs) : CvTest(test_name, test_funcs) {}
+    virtual ~CV_GpuNppMorphogyTest() {}
+
+protected:
+    void run(int);
+    virtual int test(const Mat& img) = 0;
+    
+    int test8UC1(const Mat& img)
+    {
+        cv::Mat img_C1;
+        cvtColor(img, img_C1, CV_BGR2GRAY);
+        return test(img_C1);
+    }
+
+    int test8UC4(const Mat& img)
+    {
+        cv::Mat img_C4;    
+        cvtColor(img, img_C4, CV_BGR2BGRA);    
+        return test(img_C4);
+    }
+        
+    int CheckNorm(const Mat& m1, const Mat& m2)
+    {
+        double res = norm(m1, m2, NORM_INF);
+
+        if (res < std::numeric_limits<double>::epsilon())
+            return CvTS::OK;
+        
+        ts->printf(CvTS::LOG, "\nNorm: %f\n", res);
+        return CvTS::FAIL_GENERIC;
+    }
+};
+
+void CV_GpuNppMorphogyTest::run( int )
+{    
+    cv::Mat img = cv::imread(std::string(ts->get_data_path()) + "stereobp/aloe-L.png");
+    
+    if (img.empty())
+    {
+        ts->set_failed_test_info(CvTS::FAIL_MISSING_TEST_DATA);
+        return;
+    }
+
+    try
+    {
+        //run tests
+        int testResult = test8UC1(img);
+        if (testResult != CvTS::OK)
+        {
+            ts->set_failed_test_info(testResult);
+            return;
+        }
+
+        testResult = test8UC4(img);
+        if (testResult != CvTS::OK)
+        {
+            ts->set_failed_test_info(testResult);
+            return;
+        }        
+    }
+    catch(const cv::Exception& e)
+    {
+        if (!check_and_treat_gpu_exception(e, ts))
+            throw;        
+    }
+
+    ts->set_failed_test_info(CvTS::OK);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Erode
+class CV_GpuErodeTest : public CV_GpuNppMorphogyTest
+{
+public:
+    CV_GpuErodeTest() : CV_GpuNppMorphogyTest( "GPU-NppErode", "erode" ) {} 
+
+protected:
+	virtual int test(const Mat& img)
+    {
+        Mat kernel(3, 3, CV_8U, 1);
+        Point anchor(1,1);
+        int iters = 3;
+
+	    cv::Mat cpuRes;
+        cv::erode(img, cpuRes, kernel, anchor, iters);
+
+	    GpuMat gpuRes;
+        cv::gpu::erode(GpuMat(img), gpuRes, kernel, anchor, iters);
+	
+	    return CheckNorm(cpuRes, gpuRes);
+    }
+};
+
+CV_GpuErodeTest CV_GpuErode_test;
+
+////////////////////////////////////////////////////////////////////////////////
+// Dilate
+class CV_GpuDilateTest : public CV_GpuNppMorphogyTest
+{
+public:
+    CV_GpuDilateTest() : CV_GpuNppMorphogyTest( "GPU-NppDilate", "dilate" ) {} 
+
+protected:
+	virtual int test(const Mat& img)
+    {
+        Mat kernel(3, 3, CV_8U, 1);
+        Point anchor(1,1);
+        int iters = 3;
+
+	    cv::Mat cpuRes;
+        cv::dilate(img, cpuRes, kernel, anchor, iters);
+
+	    GpuMat gpuRes;
+        cv::gpu::dilate(GpuMat(img), gpuRes, kernel, anchor, iters);
+	
+	    return CheckNorm(cpuRes, gpuRes);
+    }
+};
+
+CV_GpuDilateTest CV_GpuDilate_test;
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Dilate
+class CV_GpuMorphExTest : public CV_GpuNppMorphogyTest
+{
+public:
+    CV_GpuMorphExTest() : CV_GpuNppMorphogyTest( "GPU-NppMorphologyEx", "dmorphologyExilate" ) {} 
+
+protected:
+	virtual int test(const Mat& img)
+    {
+        static int ops[] = { MORPH_OPEN, CV_MOP_CLOSE, CV_MOP_GRADIENT, CV_MOP_TOPHAT, CV_MOP_BLACKHAT};
+        const char *names[] = { "MORPH_OPEN", "CV_MOP_CLOSE", "CV_MOP_GRADIENT", "CV_MOP_TOPHAT", "CV_MOP_BLACKHAT"};
+        int num = sizeof(ops)/sizeof(ops[0]);
+
+        Mat kernel(3, 3, CV_8U, 1);
+        Point anchor(1,1);
+        int iters = 3;
+
+        for(int i = 0; i < num; ++i)
+        {
+            ts->printf(CvTS::LOG, "Tesing %s\n", names[i]);
+
+	        cv::Mat cpuRes;
+            cv::morphologyEx(img, cpuRes, ops[i], kernel, anchor, iters);
+
+	        GpuMat gpuRes;
+            cv::gpu::morphologyEx(GpuMat(img), gpuRes, ops[i], kernel, anchor, iters);
+	
+	        int res = CheckNorm(cpuRes, gpuRes);
+            if (CvTS::OK != res)
+                return res;
+        }
+        return CvTS::OK;
+    }
+};
+
+CV_GpuMorphExTest CV_GpuMorphEx_test;