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42 
43 #include "perf_precomp.hpp"
44 
45 #if defined(HAVE_CUDA) && defined(OPENCV_ENABLE_NONFREE)
46 
47 #include "opencv2/ts/cuda_perf.hpp"
48 
49 namespace opencv_test { namespace {
50 
51 //////////////////////////////////////////////////////////////////////
52 // SURF
53 
54 #ifdef HAVE_OPENCV_CUDAARITHM
55 
56 DEF_PARAM_TEST_1(Image, string);
57 
58 PERF_TEST_P(Image, CUDA_SURF,
59             Values<std::string>("gpu/perf/aloe.png"))
60 {
61     declare.time(50.0);
62 
63     const cv::Mat img = readImage(GetParam(), cv::IMREAD_GRAYSCALE);
64     ASSERT_FALSE(img.empty());
65 
66     if (PERF_RUN_CUDA())
67     {
68         cv::cuda::SURF_CUDA d_surf;
69 
70         const cv::cuda::GpuMat d_img(img);
71         cv::cuda::GpuMat d_keypoints, d_descriptors;
72 
73         TEST_CYCLE() d_surf(d_img, cv::cuda::GpuMat(), d_keypoints, d_descriptors);
74 
75         std::vector<cv::KeyPoint> gpu_keypoints;
76         d_surf.downloadKeypoints(d_keypoints, gpu_keypoints);
77 
78         cv::Mat gpu_descriptors(d_descriptors);
79 
80         sortKeyPoints(gpu_keypoints, gpu_descriptors);
81 
82         SANITY_CHECK_KEYPOINTS(gpu_keypoints);
83         SANITY_CHECK(gpu_descriptors, 1e-3);
84     }
85     else
86     {
87         cv::Ptr<cv::Feature2D> surf = cv::xfeatures2d::SURF::create();
88         std::vector<cv::KeyPoint> cpu_keypoints;
89         cv::Mat cpu_descriptors;
90 
91         TEST_CYCLE() surf->detect(img, cpu_keypoints);
92         TEST_CYCLE() surf->compute(img, cpu_keypoints, cpu_descriptors);
93 
94         SANITY_CHECK_KEYPOINTS(cpu_keypoints);
95         SANITY_CHECK(cpu_descriptors);
96     }
97 }
98 
99 #endif // HAVE_OPENCV_CUDAARITHM
100 
101 }} // namespace
102 #endif // HAVE_CUDA && OPENCV_ENABLE_NONFREE
103