Difference between revisions of "JEG HEVC DB analysis"
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Revision as of 14:13, 10 November 2014
Agreement analysis between pairs
Comparing two processed video sequences (PVS) originating from the same uncompressed video by means of PSNR, SSIM, VIF, it is possible that:
- all metrics agree on which sequence has the best quality;
- one of the three metrics gives another indication.
In the latter case, considering all these pairs of sequences, the value of the other two metrics is shown in the graph below. In particular, if x is SSIM and y is VIF, it means that the metric which disagrees is the third one, i.e., PSNR. The graph shows the number of pairs that, for the specific SSIM and VIF difference, disagrees on the PSNR.
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