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Be a little more defensive about calculating SSIM

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This commit is contained in:
Pavel Krajcevski 2014-08-26 13:34:35 -04:00
parent c8e19252e3
commit edfc6bde78
1 changed files with 5 additions and 0 deletions
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5
Base/src/Image.cpp
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@ -316,6 +316,11 @@ double Image<PixelType>::ComputeSSIM(Image<PixelType> *other) {
const uint32 filterSz = 11; const uint32 filterSz = 11;
const double filterSigma = 1.5; const double filterSigma = 1.5;
if(img1.GetWidth() < filterSz || img1.GetHeight() < filterSz ||
img2.GetWidth() < filterSz || img2.GetHeight() < filterSz) {
return -1.0;
}
Image<IPixel> mu1 = FilterValid(img1, filterSz, filterSigma); Image<IPixel> mu1 = FilterValid(img1, filterSz, filterSigma);
Image<IPixel> mu2 = FilterValid(img2, filterSz, filterSigma); Image<IPixel> mu2 = FilterValid(img2, filterSz, filterSigma);