opencv/modules/ocl/perf/perf_match_template.cpp

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// @Authors
//    Fangfang Bai, fangfang@multicorewareinc.com
//    Jin Ma,       jin@multicorewareinc.com
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#include "precomp.hpp"

/////////// matchTemplate ////////////////////////
//void InitMatchTemplate()
//{
//	Mat src; gen(src, 500, 500, CV_32F, 0, 1);
//	Mat templ; gen(templ, 500, 500, CV_32F, 0, 1);
//	ocl::oclMat d_src(src), d_templ(templ), d_dst;
//	ocl::matchTemplate(d_src, d_templ, d_dst, CV_TM_CCORR);
//}
PERFTEST(matchTemplate)
{
    //InitMatchTemplate();
    Mat src, templ, dst, ocl_dst;
    int templ_size = 5;

    for (int size = Min_Size; size <= Max_Size; size *= Multiple)
    {
        int all_type[] = {CV_32FC1, CV_32FC4};
        std::string type_name[] = {"CV_32FC1", "CV_32FC4"};

        for (size_t j = 0; j < sizeof(all_type) / sizeof(int); j++)
        {
            for(templ_size = 5; templ_size <= 5; templ_size *= 5)
            {
                gen(src, size, size, all_type[j], 0, 1);

                SUBTEST << src.cols << 'x' << src.rows << "; " << type_name[j] << "; templ " << templ_size << 'x' << templ_size << "; CCORR";

                gen(templ, templ_size, templ_size, all_type[j], 0, 1);

                matchTemplate(src, templ, dst, CV_TM_CCORR);

                CPU_ON;
                matchTemplate(src, templ, dst, CV_TM_CCORR);
                CPU_OFF;

                ocl::oclMat d_src(src), d_templ(templ), d_dst;

                WARMUP_ON;
                ocl::matchTemplate(d_src, d_templ, d_dst, CV_TM_CCORR);
                WARMUP_OFF;

                GPU_ON;
                ocl::matchTemplate(d_src, d_templ, d_dst, CV_TM_CCORR);
                GPU_OFF;

                GPU_FULL_ON;
                d_src.upload(src);
                d_templ.upload(templ);
                ocl::matchTemplate(d_src, d_templ, d_dst, CV_TM_CCORR);
                d_dst.download(ocl_dst);
                GPU_FULL_OFF;

                TestSystem::instance().ExpectedMatNear(dst, ocl_dst, templ.rows * templ.cols * 1e-1);
            }
        }

        int all_type_8U[] = {CV_8UC1};
        std::string type_name_8U[] = {"CV_8UC1"};

        for (size_t j = 0; j < sizeof(all_type_8U) / sizeof(int); j++)
        {
            for(templ_size = 5; templ_size <= 5; templ_size *= 5)
            {
                SUBTEST << src.cols << 'x' << src.rows << "; " << type_name_8U[j] << "; templ " << templ_size << 'x' << templ_size << "; CCORR_NORMED";

                gen(src, size, size, all_type_8U[j], 0, 255);

                gen(templ, templ_size, templ_size, all_type_8U[j], 0, 255);

                matchTemplate(src, templ, dst, CV_TM_CCORR_NORMED);

                CPU_ON;
                matchTemplate(src, templ, dst, CV_TM_CCORR_NORMED);
                CPU_OFF;

                ocl::oclMat d_src(src);
                ocl::oclMat d_templ(templ), d_dst;

                WARMUP_ON;
                ocl::matchTemplate(d_src, d_templ, d_dst, CV_TM_CCORR_NORMED);
                WARMUP_OFF;

                GPU_ON;
                ocl::matchTemplate(d_src, d_templ, d_dst, CV_TM_CCORR_NORMED);
                GPU_OFF;

                GPU_FULL_ON;
                d_src.upload(src);
                d_templ.upload(templ);
                ocl::matchTemplate(d_src, d_templ, d_dst, CV_TM_CCORR_NORMED);
                d_dst.download(ocl_dst);
                GPU_FULL_OFF;

                TestSystem::instance().ExpectedMatNear(dst, ocl_dst, templ.rows * templ.cols * 1e-1);
            }
        }
    }
}