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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