OpenCV_4.2.0/opencv_contrib-4.2.0/modules/cudev/test/test_lut.cu

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#include "test_precomp.hpp"
using namespace cv;
using namespace cv::cuda;
using namespace cv::cudev;
using namespace cvtest;
////////////////////////////////////////////////////////////////////////////////
// LutTest
template <typename T>
class LutTest : public ::testing::Test
{
public:
void test_gpumat()
{
const Size size = randomSize(100, 400);
const int type = DataType<T>::type;
Mat src = randomMat(size, type);
Mat tbl = randomMat(Size(256, 1), type);
GpuMat_<T> d_src(src), d_tbl(tbl);
GpuMat_<T> dst = lut_(d_src, d_tbl);
Mat dst_gold;
cv::LUT(src, tbl, dst_gold);
EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
}
};
TYPED_TEST_CASE(LutTest, uchar);
TYPED_TEST(LutTest, GpuMat)
{
LutTest<TypeParam>::test_gpumat();
}