1/*M///////////////////////////////////////////////////////////////////////////////////////
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10//                           License Agreement
11//                For Open Source Computer Vision Library
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17// @Authors
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
50using std::tr1::make_tuple;
51
52#ifdef HAVE_OPENCL
53
54namespace cvtest {
55namespace ocl {
56
57///////////// FarnebackOpticalFlow ////////////////////////
58CV_ENUM(farneFlagType, 0, OPTFLOW_FARNEBACK_GAUSSIAN)
59
60typedef tuple< tuple<int, double>, farneFlagType, bool > FarnebackOpticalFlowParams;
61typedef TestBaseWithParam<FarnebackOpticalFlowParams> FarnebackOpticalFlowFixture;
62
63OCL_PERF_TEST_P(FarnebackOpticalFlowFixture, FarnebackOpticalFlow,
64                ::testing::Combine(
65                    ::testing::Values(
66                                      make_tuple<int, double>(5, 1.1),
67                                      make_tuple<int, double>(7, 1.5)
68                                     ),
69                    farneFlagType::all(),
70                    ::testing::Bool()
71                    )
72                )
73{
74    Mat frame0 = imread(getDataPath("gpu/opticalflow/rubberwhale1.png"), cv::IMREAD_GRAYSCALE);
75    ASSERT_FALSE(frame0.empty()) << "can't load rubberwhale1.png";
76
77    Mat frame1 = imread(getDataPath("gpu/opticalflow/rubberwhale2.png"), cv::IMREAD_GRAYSCALE);
78    ASSERT_FALSE(frame1.empty()) << "can't load rubberwhale2.png";
79
80    const Size srcSize = frame0.size();
81
82    const int numLevels = 5;
83    const int winSize = 13;
84    const int numIters = 10;
85
86    const FarnebackOpticalFlowParams params = GetParam();
87    const tuple<int, double> polyParams = get<0>(params);
88    const int polyN = get<0>(polyParams);
89    const double polySigma = get<1>(polyParams);
90    const double pyrScale = 0.5;
91    int flags = get<1>(params);
92    const bool useInitFlow = get<2>(params);
93    const double eps = 0.1;
94
95    UMat uFrame0; frame0.copyTo(uFrame0);
96    UMat uFrame1; frame1.copyTo(uFrame1);
97    UMat uFlow(srcSize, CV_32FC2);
98    declare.in(uFrame0, uFrame1, WARMUP_READ).out(uFlow, WARMUP_READ);
99    if (useInitFlow)
100    {
101        cv::calcOpticalFlowFarneback(uFrame0, uFrame1, uFlow, pyrScale, numLevels, winSize, numIters, polyN, polySigma, flags);
102        flags |= OPTFLOW_USE_INITIAL_FLOW;
103    }
104
105    OCL_TEST_CYCLE()
106            cv::calcOpticalFlowFarneback(uFrame0, uFrame1, uFlow, pyrScale, numLevels, winSize, numIters, polyN, polySigma, flags);
107
108
109    SANITY_CHECK(uFlow, eps, ERROR_RELATIVE);
110}
111
112} } // namespace cvtest::ocl
113
114#endif // HAVE_OPENCL