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10 // License Agreement
11 // For Open Source Computer Vision Library
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42 //M*/
43
44
45 #include "../test_precomp.hpp"
46 #include "opencv2/ts/ocl_test.hpp"
47
48
49 #ifdef HAVE_OPENCL
50
51
52 namespace cvtest {
53 namespace ocl {
54
55 /////////////////////////////////////////////////////////////////////////////////////////////////
56 // PyrLKOpticalFlow
57
PARAM_TEST_CASE(PyrLKOpticalFlow,int,int)58 PARAM_TEST_CASE(PyrLKOpticalFlow, int, int)
59 {
60 Size winSize;
61 int maxLevel;
62 TermCriteria criteria;
63 int flags;
64 double minEigThreshold;
65
66 virtual void SetUp()
67 {
68 winSize = Size(GET_PARAM(0), GET_PARAM(0));
69 maxLevel = GET_PARAM(1);
70 criteria = TermCriteria(TermCriteria::COUNT+TermCriteria::EPS, 30, 0.01);
71 flags = 0;
72 minEigThreshold = 1e-4f;
73 }
74 };
75
OCL_TEST_P(PyrLKOpticalFlow,Mat)76 OCL_TEST_P(PyrLKOpticalFlow, Mat)
77 {
78 static const int npoints = 1000;
79 static const float eps = 0.03f;
80
81 cv::Mat frame0 = readImage("optflow/RubberWhale1.png", cv::IMREAD_GRAYSCALE);
82 ASSERT_FALSE(frame0.empty());
83 UMat umatFrame0; frame0.copyTo(umatFrame0);
84
85 cv::Mat frame1 = readImage("optflow/RubberWhale2.png", cv::IMREAD_GRAYSCALE);
86 ASSERT_FALSE(frame1.empty());
87 UMat umatFrame1; frame1.copyTo(umatFrame1);
88
89 std::vector<cv::Point2f> pts;
90 cv::goodFeaturesToTrack(frame0, pts, npoints, 0.01, 0.0);
91
92 std::vector<cv::Point2f> cpuNextPts;
93 std::vector<unsigned char> cpuStatusCPU;
94 std::vector<float> cpuErr;
95 OCL_OFF(cv::calcOpticalFlowPyrLK(frame0, frame1, pts, cpuNextPts, cpuStatusCPU, cpuErr, winSize, maxLevel, criteria, flags, minEigThreshold));
96
97 UMat umatNextPts, umatStatus, umatErr;
98 OCL_ON(cv::calcOpticalFlowPyrLK(umatFrame0, umatFrame1, pts, umatNextPts, umatStatus, umatErr, winSize, maxLevel, criteria, flags, minEigThreshold));
99 std::vector<cv::Point2f> nextPts; umatNextPts.reshape(2, 1).copyTo(nextPts);
100 std::vector<unsigned char> status; umatStatus.reshape(1, 1).copyTo(status);
101 std::vector<float> err; umatErr.reshape(1, 1).copyTo(err);
102
103 ASSERT_EQ(cpuNextPts.size(), nextPts.size());
104 ASSERT_EQ(cpuStatusCPU.size(), status.size());
105
106 size_t mistmatch = 0;
107 for (size_t i = 0; i < nextPts.size(); ++i)
108 {
109 if (status[i] != cpuStatusCPU[i])
110 {
111 ++mistmatch;
112 continue;
113 }
114
115 if (status[i])
116 {
117 cv::Point2i a = nextPts[i];
118 cv::Point2i b = cpuNextPts[i];
119
120 bool eq = std::abs(a.x - b.x) < 1 && std::abs(a.y - b.y) < 1;
121 float errdiff = 0.0f;
122
123 if (!eq || errdiff > 1e-1)
124 ++mistmatch;
125 }
126 }
127
128 double bad_ratio = static_cast<double>(mistmatch) / (nextPts.size());
129
130 ASSERT_LE(bad_ratio, eps);
131 }
132
133 OCL_INSTANTIATE_TEST_CASE_P(Video, PyrLKOpticalFlow,
134 Combine(
135 Values(21, 25),
136 Values(3, 5)
137 )
138 );
139
140 } } // namespace cvtest::ocl
141
142
143 #endif // HAVE_OPENCL
