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42 //M*/
43
44 #include "../test_precomp.hpp"
45 #include "opencv2/ts/ocl_test.hpp"
46
47 #ifdef HAVE_OPENCL
48
49 namespace cvtest {
50 namespace ocl {
51
52 //////////////////////////// GoodFeaturesToTrack //////////////////////////
53
54
PARAM_TEST_CASE(GoodFeaturesToTrack,double,bool)55 PARAM_TEST_CASE(GoodFeaturesToTrack, double, bool)
56 {
57 double minDistance;
58 bool useRoi;
59
60 static const int maxCorners;
61 static const double qualityLevel;
62
63 TEST_DECLARE_INPUT_PARAMETER(src);
64 UMat points, upoints;
65
66 virtual void SetUp()
67 {
68 minDistance = GET_PARAM(0);
69 useRoi = GET_PARAM(1);
70 }
71
72 void generateTestData()
73 {
74 Mat frame = readImage("../gpu/opticalflow/rubberwhale1.png", IMREAD_GRAYSCALE);
75 ASSERT_FALSE(frame.empty()) << "could not load gpu/opticalflow/rubberwhale1.png";
76
77 Size roiSize = frame.size();
78 Border srcBorder = randomBorder(0, useRoi ? 2 : 0);
79 randomSubMat(src, src_roi, roiSize, srcBorder, frame.type(), 5, 256);
80 src_roi.copyTo(frame);
81
82 UMAT_UPLOAD_INPUT_PARAMETER(src);
83 }
84
85 void UMatToVector(const UMat & um, std::vector<Point2f> & v) const
86 {
87 v.resize(um.size().area());
88 um.copyTo(Mat(um.size(), CV_32FC2, &v[0]));
89 }
90 };
91
92 const int GoodFeaturesToTrack::maxCorners = 1000;
93 const double GoodFeaturesToTrack::qualityLevel = 0.01;
94
OCL_TEST_P(GoodFeaturesToTrack,Accuracy)95 OCL_TEST_P(GoodFeaturesToTrack, Accuracy)
96 {
97 for (int j = 0; j < test_loop_times; ++j)
98 {
99 generateTestData();
100
101 std::vector<Point2f> upts, pts;
102
103 OCL_OFF(cv::goodFeaturesToTrack(src_roi, points, maxCorners, qualityLevel, minDistance, noArray()));
104 ASSERT_FALSE(points.empty());
105 UMatToVector(points, pts);
106
107 OCL_ON(cv::goodFeaturesToTrack(usrc_roi, upoints, maxCorners, qualityLevel, minDistance));
108 ASSERT_FALSE(upoints.empty());
109 UMatToVector(upoints, upts);
110
111 ASSERT_EQ(upts.size(), pts.size());
112
113 int mistmatch = 0;
114 for (size_t i = 0; i < pts.size(); ++i)
115 {
116 Point2i a = upts[i], b = pts[i];
117
118 bool eq = std::abs(a.x - b.x) < 1 && std::abs(a.y - b.y) < 1;
119
120 if (!eq)
121 ++mistmatch;
122 }
123
124 double bad_ratio = static_cast<double>(mistmatch) / pts.size();
125 ASSERT_GE(1e-2, bad_ratio);
126 }
127 }
128
OCL_TEST_P(GoodFeaturesToTrack,EmptyCorners)129 OCL_TEST_P(GoodFeaturesToTrack, EmptyCorners)
130 {
131 generateTestData();
132 usrc_roi.setTo(Scalar::all(0));
133
134 OCL_ON(cv::goodFeaturesToTrack(usrc_roi, upoints, maxCorners, qualityLevel, minDistance));
135
136 ASSERT_TRUE(upoints.empty());
137 }
138
139 OCL_INSTANTIATE_TEST_CASE_P(Imgproc, GoodFeaturesToTrack,
140 ::testing::Combine(testing::Values(0.0, 3.0), Bool()));
141
142 } } // namespace cvtest::ocl
143
144 #endif
145
