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imgproc: fix accuracy check for HLS cvtColor

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This commit is contained in:
Alexander Alekhin 2016-08-19 17:30:57 +03:00
parent bf4c5bef7f
commit 86a515fdae
1 changed files with 23 additions and 1 deletions
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24
modules/imgproc/test/ocl/test_color.cpp
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@ -98,7 +98,29 @@ PARAM_TEST_CASE(CvtColor, MatDepth, bool)
OCL_OFF(cv::cvtColor(src_roi, dst_roi, code, channelsOut));
OCL_ON(cv::cvtColor(usrc_roi, udst_roi, code, channelsOut));
Near(threshold);
int h_limit = 256;
switch (code)
{
case COLOR_RGB2HLS: case COLOR_BGR2HLS:
h_limit = 180;
case COLOR_RGB2HLS_FULL: case COLOR_BGR2HLS_FULL:
{
ASSERT_EQ(dst_roi.type(), udst_roi.type());
ASSERT_EQ(dst_roi.size(), udst_roi.size());
Mat gold, actual;
dst_roi.convertTo(gold, CV_32FC3);
udst_roi.getMat(ACCESS_READ).convertTo(actual, CV_32FC3);
Mat absdiff1, absdiff2, absdiff3;
cv::absdiff(gold, actual, absdiff1);
cv::absdiff(gold, actual + h_limit, absdiff2);
cv::absdiff(gold, actual - h_limit, absdiff3);
Mat diff = cv::min(cv::min(absdiff1, absdiff2), absdiff3);
EXPECT_LE(cvtest::norm(diff, NORM_INF), threshold);
break;
}
default:
Near(threshold);
}
}
}
};