OpenCV/opencv/modules/objdetect/perf/opencl/perf_hogdetect.cpp

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//    Fangfang Bai, fangfang@multicorewareinc.com
//    Jin Ma,       jin@multicorewareinc.com
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#include "../perf_precomp.hpp"
#include "opencv2/ts/ocl_perf.hpp"

#ifdef HAVE_OPENCL

namespace opencv_test {
namespace ocl {
///////////// HOG////////////////////////

struct RectLess
{
    bool operator()(const cv::Rect& a,
        const cv::Rect& b) const
    {
        if (a.x != b.x)
            return a.x < b.x;
        else if (a.y != b.y)
            return a.y < b.y;
        else if (a.width != b.width)
            return a.width < b.width;
        else
            return a.height < b.height;
    }
};

OCL_PERF_TEST(HOGFixture, HOG)
{
    UMat src;
    imread(getDataPath("gpu/hog/road.png"), cv::IMREAD_GRAYSCALE).copyTo(src);
    ASSERT_FALSE(src.empty());

    vector<cv::Rect> found_locations;
    declare.in(src);

    HOGDescriptor hog;
    hog.setSVMDetector(hog.getDefaultPeopleDetector());

    OCL_TEST_CYCLE() hog.detectMultiScale(src, found_locations);

    std::sort(found_locations.begin(), found_locations.end(), RectLess());
    SANITY_CHECK(found_locations, 3);
}

}
}

#endif