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bit-exact cuda::equalizeHist

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This commit is contained in:
Namgoo Lee
2020-08-19 17:39:24 +09:00
parent 2c1f3487a4
commit f617f18e46
3 changed files with 218 additions and 26 deletions
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modules/cudaimgproc/test/test_histogram.cpp
+80 -2
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@@ -208,7 +208,7 @@ CUDA_TEST_P(EqualizeHist, Async)
cv::Mat dst_gold;
cv::equalizeHist(src, dst_gold);
EXPECT_MAT_NEAR(dst_gold, dst, 3.0);
EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
}
CUDA_TEST_P(EqualizeHist, Accuracy)
@@ -221,13 +221,91 @@ CUDA_TEST_P(EqualizeHist, Accuracy)
cv::Mat dst_gold;
cv::equalizeHist(src, dst_gold);
EXPECT_MAT_NEAR(dst_gold, dst, 3.0);
EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
}
INSTANTIATE_TEST_CASE_P(CUDA_ImgProc, EqualizeHist, testing::Combine(
ALL_DEVICES,
DIFFERENT_SIZES));
TEST(EqualizeHistIssue, Issue18035)
{
std::vector<std::string> imgPaths;
imgPaths.push_back(std::string(cvtest::TS::ptr()->get_data_path()) + "../cv/shared/3MP.png");
imgPaths.push_back(std::string(cvtest::TS::ptr()->get_data_path()) + "../cv/shared/5MP.png");
imgPaths.push_back(std::string(cvtest::TS::ptr()->get_data_path()) + "../cv/shared/airplane.png");
imgPaths.push_back(std::string(cvtest::TS::ptr()->get_data_path()) + "../cv/shared/baboon.png");
imgPaths.push_back(std::string(cvtest::TS::ptr()->get_data_path()) + "../cv/shared/box.png");
imgPaths.push_back(std::string(cvtest::TS::ptr()->get_data_path()) + "../cv/shared/box_in_scene.png");
imgPaths.push_back(std::string(cvtest::TS::ptr()->get_data_path()) + "../cv/shared/fruits.png");
imgPaths.push_back(std::string(cvtest::TS::ptr()->get_data_path()) + "../cv/shared/fruits_ecc.png");
imgPaths.push_back(std::string(cvtest::TS::ptr()->get_data_path()) + "../cv/shared/graffiti.png");
imgPaths.push_back(std::string(cvtest::TS::ptr()->get_data_path()) + "../cv/shared/lena.png");
for (int i = 0; i < imgPaths.size(); ++i)
{
std::string imgPath = imgPaths[i];
cv::Mat src = cv::imread(imgPath, cv::IMREAD_GRAYSCALE);
src = src / 30;
cv::cuda::GpuMat d_src, dst;
d_src.upload(src);
cv::cuda::equalizeHist(d_src, dst);
cv::Mat dst_gold;
cv::equalizeHist(src, dst_gold);
EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
}
}
PARAM_TEST_CASE(EqualizeHistExtreme, cv::cuda::DeviceInfo, cv::Size, int)
{
cv::cuda::DeviceInfo devInfo;
cv::Size size;
int val;
virtual void SetUp()
{
devInfo = GET_PARAM(0);
size = GET_PARAM(1);
val = GET_PARAM(2);
cv::cuda::setDevice(devInfo.deviceID());
}
};
CUDA_TEST_P(EqualizeHistExtreme, Case1)
{
cv::Mat src(size, CV_8UC1, val);
cv::cuda::GpuMat dst;
cv::cuda::equalizeHist(loadMat(src), dst);
cv::Mat dst_gold;
cv::equalizeHist(src, dst_gold);
EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
}
CUDA_TEST_P(EqualizeHistExtreme, Case2)
{
cv::Mat src = randomMat(size, CV_8UC1, val);
cv::cuda::GpuMat dst;
cv::cuda::equalizeHist(loadMat(src), dst);
cv::Mat dst_gold;
cv::equalizeHist(src, dst_gold);
EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
}
INSTANTIATE_TEST_CASE_P(CUDA_ImgProc, EqualizeHistExtreme, testing::Combine(
ALL_DEVICES,
DIFFERENT_SIZES,
testing::Range(0, 256)));
///////////////////////////////////////////////////////////////////////////////////////////////////////
// CLAHE