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Merge pull request #9642 from saskatchewancatch:psnr-checks

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This commit is contained in:
Vadim Pisarevsky
2017-09-18 09:24:03 +00:00
parent 37ba1d6f2d 0e44ad5543
commit 73298ea875
1 changed files with 3 additions and 1 deletions
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modules/core/src/stat.cpp
+3 -1
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@@ -4150,7 +4150,9 @@ double cv::PSNR(InputArray _src1, InputArray _src2)
{
CV_INSTRUMENT_REGION()
CV_Assert( _src1.depth() == CV_8U );
//Input arrays must have depth CV_8U
CV_Assert( _src1.depth() == CV_8U && _src2.depth() == CV_8U );
double diff = std::sqrt(norm(_src1, _src2, NORM_L2SQR)/(_src1.total()*_src1.channels()));
return 20*log10(255./(diff+DBL_EPSILON));
}