OpenCV/opencv_contrib/modules/bioinspired/test/test_retina_ocl.cpp

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//    Peng Xiao, pengxiao@multicorewareinc.com
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#include "test_precomp.hpp"
#include "opencv2/ts/ocl_test.hpp"

#define RETINA_ITERATIONS 5

namespace opencv_test { namespace {

PARAM_TEST_CASE(Retina_OCL, bool, int, bool, double, double)
{
    bool colorMode;
    int colorSamplingMethod;
    bool useLogSampling;
    float reductionFactor;
    float samplingStrength;

    virtual void SetUp()
    {
        colorMode           = GET_PARAM(0);
        colorSamplingMethod = GET_PARAM(1);
        useLogSampling      = GET_PARAM(2);
        reductionFactor     = static_cast<float>(GET_PARAM(3));
        samplingStrength    = static_cast<float>(GET_PARAM(4));
    }
};

OCL_TEST_P(Retina_OCL, Accuracy)
{
    Mat input = imread(cvtest::TS::ptr()->get_data_path() + "shared/lena.png", colorMode);
    CV_Assert(!input.empty());

    Ptr<bioinspired::Retina> retina = bioinspired::Retina::create(
        input.size(),
        colorMode,
        colorSamplingMethod,
        useLogSampling,
        reductionFactor,
        samplingStrength);

    Mat gold_parvo;
    Mat gold_magno;
    UMat ocl_parvo;
    UMat ocl_magno;

    for(int i = 0; i < RETINA_ITERATIONS; i ++)
    {
        OCL_OFF(retina->run(input));
        OCL_OFF(retina->getParvo(gold_parvo));
        OCL_OFF(retina->getMagno(gold_magno));
        OCL_OFF(retina->clearBuffers());

        OCL_ON(retina->run(input));
        OCL_ON(retina->getParvo(ocl_parvo));
        OCL_ON(retina->getMagno(ocl_magno));
        OCL_ON(retina->clearBuffers());

        int eps = 1;

        EXPECT_MAT_NEAR(gold_parvo, ocl_parvo, eps);
        EXPECT_MAT_NEAR(gold_magno, ocl_magno, eps);
    }
}

OCL_INSTANTIATE_TEST_CASE_P(Contrib, Retina_OCL, testing::Combine(
                            testing::Bool(),
                            testing::Values((int)cv::bioinspired::RETINA_COLOR_BAYER),
                            testing::Values(false/*,true*/),
                            testing::Values(1.0, 0.5),
                            testing::Values(10.0, 5.0)));

}} // namespace