Free program for video quality measurements. Supports different input
formats (AVI, AVS, YUV, BMP) and metrics (PSNR, Delta, VQM, SSIM, MSU Blurring /
Blocking, MSE, MSAD). Main features: results are saved in *.CSV (can be opened
everywhere), all metrics are visualized, comparative analysis (comparison of
three files: original, and two
other, for example processed by different codecs).
Program allow to answer on questions:
1) One codec has more blurring than another. On what frames? Average mark?
2) One codec has more blocking than another. On what frames? Average mark?
3) One codec has more lower quality than another. On what frames? Average mark in PSNR, VQM, SSIM?
Correspondent "bad frames" are saved automatically into BMP files.
Features:
Set "comparative analysis" and select original, and sequences after compression with codec A and codec B (recommended more than 10000 frames).
Select metric (recommended Y-PSNR)
Select "Save bad frames" (in "Advanced" dialog you could specify for which sequence value of the metric must be greater) - pairs of frames with maximum metric difference (A>B) will be detected and saved.
Press "Process", find output frames and select best pairs
Upload frames to your favorite forum.
Done.
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