root/modules/imgproc/test/ocl/test_canny.cpp

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DEFINITIONS

This source file includes following definitions.
  1. IMPLEMENT_PARAM_CLASS
  2. OCL_TEST_P

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

#ifdef HAVE_OPENCL

namespace cvtest {
namespace ocl {

////////////////////////////////////////////////////////
// Canny

IMPLEMENT_PARAM_CLASS(AppertureSize, int)
IMPLEMENT_PARAM_CLASS(L2gradient, bool)
IMPLEMENT_PARAM_CLASS(UseRoi, bool)

PARAM_TEST_CASE(Canny, Channels, AppertureSize, L2gradient, UseRoi)
{
    int cn, apperture_size;
    bool useL2gradient, use_roi;

    TEST_DECLARE_INPUT_PARAMETER(src);
    TEST_DECLARE_OUTPUT_PARAMETER(dst);

    virtual void SetUp()
    {
        cn = GET_PARAM(0);
        apperture_size = GET_PARAM(1);
        useL2gradient = GET_PARAM(2);
        use_roi = GET_PARAM(3);
    }

    void generateTestData()
    {
        Mat img = readImageType("shared/fruits.png", CV_8UC(cn));
        ASSERT_FALSE(img.empty()) << "cann't load shared/fruits.png";

        Size roiSize = img.size();
        int type = img.type();

        Border srcBorder = randomBorder(0, use_roi ? MAX_VALUE : 0);
        randomSubMat(src, src_roi, roiSize, srcBorder, type, 2, 100);
        img.copyTo(src_roi);

        Border dstBorder = randomBorder(0, use_roi ? MAX_VALUE : 0);
        randomSubMat(dst, dst_roi, roiSize, dstBorder, type, 5, 16);

        UMAT_UPLOAD_INPUT_PARAMETER(src);
        UMAT_UPLOAD_OUTPUT_PARAMETER(dst);
    }
};

OCL_TEST_P(Canny, Accuracy)
{
    generateTestData();

    const double low_thresh = 50.0, high_thresh = 100.0;
    double eps = 1e-2;
#ifdef ANDROID
    if (cv::ocl::Device::getDefault().isNVidia())
        eps = 12e-3;
#endif

    OCL_OFF(cv::Canny(src_roi, dst_roi, low_thresh, high_thresh, apperture_size, useL2gradient));
    OCL_ON(cv::Canny(usrc_roi, udst_roi, low_thresh, high_thresh, apperture_size, useL2gradient));

    EXPECT_MAT_SIMILAR(dst_roi, udst_roi, eps);
    EXPECT_MAT_SIMILAR(dst, udst, eps);
}

OCL_INSTANTIATE_TEST_CASE_P(ImgProc, Canny, testing::Combine(
                                testing::Values(1, 3),
                                testing::Values(AppertureSize(3), AppertureSize(5)),
                                testing::Values(L2gradient(false), L2gradient(true)),
                                testing::Values(UseRoi(false), UseRoi(true))));

} } // namespace cvtest::ocl

#endif // HAVE_OPENCL

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