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10 // License Agreement
11 // For Open Source Computer Vision Library
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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 /////////////////////////////////////////////////////////////////////////////////////////////////
53 // FarnebackOpticalFlow
54 namespace
55 {
56 IMPLEMENT_PARAM_CLASS(PyrScale, double)
57 IMPLEMENT_PARAM_CLASS(PolyN, int)
58 CV_FLAGS(FarnebackOptFlowFlags, 0, OPTFLOW_FARNEBACK_GAUSSIAN)
59 IMPLEMENT_PARAM_CLASS(UseInitFlow, bool)
60 }
61
PARAM_TEST_CASE(FarnebackOpticalFlow,PyrScale,PolyN,FarnebackOptFlowFlags,UseInitFlow)62 PARAM_TEST_CASE(FarnebackOpticalFlow, PyrScale, PolyN, FarnebackOptFlowFlags, UseInitFlow)
63 {
64 int numLevels;
65 int winSize;
66 int numIters;
67 double pyrScale;
68 int polyN;
69 int flags;
70 bool useInitFlow;
71
72 virtual void SetUp()
73 {
74 numLevels = 5;
75 winSize = 13;
76 numIters = 10;
77 pyrScale = GET_PARAM(0);
78 polyN = GET_PARAM(1);
79 flags = GET_PARAM(2);
80 useInitFlow = GET_PARAM(3);
81 }
82 };
83
OCL_TEST_P(FarnebackOpticalFlow,Mat)84 OCL_TEST_P(FarnebackOpticalFlow, Mat)
85 {
86 cv::Mat frame0 = readImage("optflow/RubberWhale1.png", cv::IMREAD_GRAYSCALE);
87 ASSERT_FALSE(frame0.empty());
88
89 cv::Mat frame1 = readImage("optflow/RubberWhale2.png", cv::IMREAD_GRAYSCALE);
90 ASSERT_FALSE(frame1.empty());
91
92 double polySigma = polyN <= 5 ? 1.1 : 1.5;
93
94 cv::Mat flow; cv::UMat uflow;
95 if (useInitFlow)
96 {
97 OCL_ON(cv::calcOpticalFlowFarneback(frame0, frame1, uflow, pyrScale, numLevels, winSize, numIters, polyN, polySigma, flags));
98 uflow.copyTo(flow);
99 flags |= cv::OPTFLOW_USE_INITIAL_FLOW;
100 }
101 OCL_OFF(cv::calcOpticalFlowFarneback(frame0, frame1, flow, pyrScale, numLevels, winSize, numIters, polyN, polySigma, flags));
102 OCL_ON(cv::calcOpticalFlowFarneback(frame0, frame1, uflow, pyrScale, numLevels, winSize, numIters, polyN, polySigma, flags));
103
104 EXPECT_MAT_SIMILAR(flow, uflow, 0.1);
105 }
106
107
108 OCL_INSTANTIATE_TEST_CASE_P(Video, FarnebackOpticalFlow,
109 Combine(
110 Values(PyrScale(0.3), PyrScale(0.5), PyrScale(0.8)),
111 Values(PolyN(5), PolyN(7)),
112 Values(FarnebackOptFlowFlags(0), FarnebackOptFlowFlags(cv::OPTFLOW_FARNEBACK_GAUSSIAN)),
113 Values(UseInitFlow(false), UseInitFlow(true))
114 )
115 );
116
117
118 } } // namespace cvtest::ocl
119
120 #endif // HAVE_OPENCL
121
