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Add test for issue #2646

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This commit is contained in:
Andrey Kamaev 2013-01-28 14:02:05 +04:00
parent d83914d478
commit 7e92826efc
1 changed files with 11 additions and 0 deletions
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11
modules/photo/test/test_denoising.cpp
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@ -145,3 +145,14 @@ TEST(Photo_DenoisingColoredMulti, regression)
ASSERT_EQ(0, norm(result != expected)); ASSERT_EQ(0, norm(result != expected));
} }
TEST(Photo_White, issue_2646)
{
cv::Mat img(50, 50, CV_8UC1, cv::Scalar::all(255));
cv::Mat filtered;
cv::fastNlMeansDenoising(img, filtered);
int nonWhitePixelsCount = (int)img.total() - cv::countNonZero(filtered == img);
ASSERT_EQ(0, nonWhitePixelsCount);
}