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42 //M*/
43
44 #include "test_precomp.hpp"
45
46 using namespace cv;
47 using namespace cv::cuda;
48 using namespace cv::cudev;
49 using namespace cvtest;
50
TEST(Sobel,Accuracy)51 TEST(Sobel, Accuracy)
52 {
53 const Size size = randomSize(100, 400);
54
55 Mat src = randomMat(size, CV_8UC1);
56
57 GpuMat_<uchar> d_src(src);
58 Texture<uchar> tex_src(d_src);
59
60 GpuMat_<short> dx = sobelX_(cvt_<int>(tex_src));
61 GpuMat_<short> dy = sobelY_(cvt_<int>(tex_src));
62
63 Mat dx_gold, dy_gold;
64 cv::Sobel(src, dx_gold, CV_16S, 1, 0, 3, 1, 0, BORDER_REPLICATE);
65 cv::Sobel(src, dy_gold, CV_16S, 0, 1, 3, 1, 0, BORDER_REPLICATE);
66
67 EXPECT_MAT_NEAR(dx_gold, dx, 0.0);
68 EXPECT_MAT_NEAR(dy_gold, dy, 0.0);
69 }
70
TEST(Scharr,Accuracy)71 TEST(Scharr, Accuracy)
72 {
73 const Size size = randomSize(100, 400);
74
75 Mat src = randomMat(size, CV_8UC1);
76
77 GpuMat_<uchar> d_src(src);
78 Texture<uchar> tex_src(d_src);
79
80 GpuMat_<short> dx = scharrX_(cvt_<int>(tex_src));
81 GpuMat_<short> dy = scharrY_(cvt_<int>(tex_src));
82
83 Mat dx_gold, dy_gold;
84 cv::Scharr(src, dx_gold, CV_16S, 1, 0, 1, 0, BORDER_REPLICATE);
85 cv::Scharr(src, dy_gold, CV_16S, 0, 1, 1, 0, BORDER_REPLICATE);
86
87 EXPECT_MAT_NEAR(dx_gold, dx, 0.0);
88 EXPECT_MAT_NEAR(dy_gold, dy, 0.0);
89 }
90
TEST(Laplacian,Accuracy)91 TEST(Laplacian, Accuracy)
92 {
93 const Size size = randomSize(100, 400);
94
95 Mat src = randomMat(size, CV_8UC1);
96
97 GpuMat_<uchar> d_src(src);
98 Texture<uchar> tex_src(d_src);
99
100 GpuMat_<short> dst1 = laplacian_<1>(cvt_<int>(tex_src));
101 GpuMat_<short> dst3 = laplacian_<3>(cvt_<int>(tex_src));
102
103 Mat dst1_gold, dst3_gold;
104 cv::Laplacian(src, dst1_gold, CV_16S, 1, 1, 0, BORDER_REPLICATE);
105 cv::Laplacian(src, dst3_gold, CV_16S, 3, 1, 0, BORDER_REPLICATE);
106
107 EXPECT_MAT_NEAR(dst1_gold, dst1, 0.0);
108 EXPECT_MAT_NEAR(dst3_gold, dst3, 0.0);
109 }
110