From 86a515fdae7cfd705c412192bced041e9200255c Mon Sep 17 00:00:00 2001 From: Alexander Alekhin Date: Fri, 19 Aug 2016 17:30:57 +0300 Subject: [PATCH] imgproc: fix accuracy check for HLS cvtColor --- modules/imgproc/test/ocl/test_color.cpp | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/modules/imgproc/test/ocl/test_color.cpp b/modules/imgproc/test/ocl/test_color.cpp index 160c035..c0218cc 100644 --- a/modules/imgproc/test/ocl/test_color.cpp +++ b/modules/imgproc/test/ocl/test_color.cpp @@ -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); + } } } }; -- 2.7.4