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Updated Tutorial PSNR for identical images

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2025-10-02 00:03:28 +01:00
parent e9bded6ff3
commit acc76304d5
3 changed files with 24 additions and 27 deletions
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samples/cpp/tutorial_code/videoio/video-input-psnr-ssim/video-input-psnr-ssim.cpp
+2 -2
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@@ -144,8 +144,8 @@ double getPSNR(const Mat& I1, const Mat& I2)
double sse = s.val[0] + s.val[1] + s.val[2]; // sum channels
if( sse <= 1e-10) // for small values return zero
return 0;
if( sse <= 1e-10) // For very small values, return 360 to cap PSNR (theoretical value is infinity)
return 360.0;
else
{
double mse = sse / (double)(I1.channels() * I1.total());