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18 //    Fangfang Bai, fangfang@multicorewareinc.com
19 //    Jin Ma,       jin@multicorewareinc.com
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46 
47 #include "../perf_precomp.hpp"
48 #include "opencv2/ts/ocl_perf.hpp"
49 
50 using std::tr1::make_tuple;
51 
52 #ifdef HAVE_OPENCL
53 
54 namespace cvtest {
55 namespace ocl {
56 
57 ///////////// FarnebackOpticalFlow ////////////////////////
58 CV_ENUM(farneFlagType, 0, OPTFLOW_FARNEBACK_GAUSSIAN)
59 
60 typedef tuple< int > PyrLKOpticalFlowParams;
61 typedef TestBaseWithParam<PyrLKOpticalFlowParams> PyrLKOpticalFlowFixture;
62 
63 OCL_PERF_TEST_P(PyrLKOpticalFlowFixture, PyrLKOpticalFlow,
64                 ::testing::Values(1000, 2000, 4000)
65                 )
66 {
67     Mat frame0 = imread(getDataPath("gpu/opticalflow/rubberwhale1.png"), cv::IMREAD_GRAYSCALE);
68     ASSERT_FALSE(frame0.empty()) << "can't load rubberwhale1.png";
69 
70     Mat frame1 = imread(getDataPath("gpu/opticalflow/rubberwhale2.png"), cv::IMREAD_GRAYSCALE);
71     ASSERT_FALSE(frame1.empty()) << "can't load rubberwhale2.png";
72 
73     UMat uFrame0; frame0.copyTo(uFrame0);
74     UMat uFrame1; frame1.copyTo(uFrame1);
75 
76     const Size winSize = Size(21, 21);
77     const int maxLevel = 3;
78     const TermCriteria criteria = TermCriteria(TermCriteria::COUNT+TermCriteria::EPS, 30, 0.01);
79     const int flags = 0;
80     const float minEigThreshold = 1e-4f;
81     const double eps = 1.0;
82 
83     const PyrLKOpticalFlowParams params = GetParam();
84     const int pointsCount = get<0>(params);
85 
86     vector<Point2f> pts;
87     goodFeaturesToTrack(frame0, pts, pointsCount, 0.01, 0.0);
88     Mat ptsMat(1, static_cast<int>(pts.size()), CV_32FC2, (void *)&pts[0]);
89 
90     declare.in(uFrame0, uFrame1, WARMUP_READ);
91     UMat uNextPts, uStatus, uErr;
92     OCL_TEST_CYCLE()
93         cv::calcOpticalFlowPyrLK(uFrame0, uFrame1, pts, uNextPts, uStatus, uErr, winSize, maxLevel, criteria, flags, minEigThreshold);
94 
95     SANITY_CHECK(uNextPts, eps);
96 }
97 
98 } } // namespace cvtest::ocl
99 
100 #endif // HAVE_OPENCL
101