OpenCV_4.2.0/opencv_contrib-4.2.0/modules/cudaimgproc/perf/perf_mean_shift.cpp

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#include "perf_precomp.hpp"

namespace opencv_test { namespace {

//////////////////////////////////////////////////////////////////////
// MeanShiftFiltering

DEF_PARAM_TEST_1(Image, string);

PERF_TEST_P(Image, MeanShiftFiltering,
            Values<string>("gpu/meanshift/cones.png"))
{
    declare.time(300.0);

    const cv::Mat img = readImage(GetParam());
    ASSERT_FALSE(img.empty());

    cv::Mat rgba;
    cv::cvtColor(img, rgba, cv::COLOR_BGR2BGRA);

    const int sp = 50;
    const int sr = 50;

    if (PERF_RUN_CUDA())
    {
        const cv::cuda::GpuMat d_src(rgba);
        cv::cuda::GpuMat dst;

        TEST_CYCLE() cv::cuda::meanShiftFiltering(d_src, dst, sp, sr);

        CUDA_SANITY_CHECK(dst);
    }
    else
    {
        cv::Mat dst;

        TEST_CYCLE() cv::pyrMeanShiftFiltering(img, dst, sp, sr);

        CPU_SANITY_CHECK(dst);
    }
}

//////////////////////////////////////////////////////////////////////
// MeanShiftProc

PERF_TEST_P(Image, MeanShiftProc,
            Values<string>("gpu/meanshift/cones.png"))
{
    declare.time(300.0);

    const cv::Mat img = readImage(GetParam());
    ASSERT_FALSE(img.empty());

    cv::Mat rgba;
    cv::cvtColor(img, rgba, cv::COLOR_BGR2BGRA);

    const int sp = 50;
    const int sr = 50;

    if (PERF_RUN_CUDA())
    {
        const cv::cuda::GpuMat d_src(rgba);
        cv::cuda::GpuMat dstr;
        cv::cuda::GpuMat dstsp;

        TEST_CYCLE() cv::cuda::meanShiftProc(d_src, dstr, dstsp, sp, sr);

        CUDA_SANITY_CHECK(dstr);
        CUDA_SANITY_CHECK(dstsp);
    }
    else
    {
        FAIL_NO_CPU();
    }
}

//////////////////////////////////////////////////////////////////////
// MeanShiftSegmentation

PERF_TEST_P(Image, MeanShiftSegmentation,
            Values<string>("gpu/meanshift/cones.png"))
{
    declare.time(300.0);

    const cv::Mat img = readImage(GetParam());
    ASSERT_FALSE(img.empty());

    cv::Mat rgba;
    cv::cvtColor(img, rgba, cv::COLOR_BGR2BGRA);

    const int sp = 10;
    const int sr = 10;
    const int minsize = 20;

    if (PERF_RUN_CUDA())
    {
        const cv::cuda::GpuMat d_src(rgba);
        cv::Mat dst;

        TEST_CYCLE() cv::cuda::meanShiftSegmentation(d_src, dst, sp, sr, minsize);

        CUDA_SANITY_CHECK(dst);
    }
    else
    {
        FAIL_NO_CPU();
    }
}

}} // namespace