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added PSNR function to imgproc; refactored highgui positioning test (which still fails)

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This commit is contained in:
Vadim Pisarevsky
2012-04-25 14:31:54 +00:00
parent bd49b9b8aa
commit fb292b1b27
5 changed files with 201 additions and 239 deletions
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9
modules/imgproc/src/utils.cpp
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@@ -245,6 +245,15 @@ void cv::copyMakeBorder( InputArray _src, OutputArray _dst, int top, int bottom,
}
double cv::PSNR(InputArray _src1, InputArray _src2)
{
Mat src1 = _src1.getMat(), src2 = _src2.getMat();
CV_Assert( src1.depth() == CV_8U );
double diff = std::sqrt(norm(src1, src2, NORM_L2SQR)/(src1.total()*src1.channels()));
return 20*log10(255./(diff+DBL_EPSILON));
}
CV_IMPL void
cvCopyMakeBorder( const CvArr* srcarr, CvArr* dstarr, CvPoint offset,
int borderType, CvScalar value )