Quote:
Originally Posted by kidjan
I'm skeptical of this claim. On what information do you base this assertion?
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x264 development! When Psy-Optimizations were added, the
subjective quality was improved significantly, as agreed by most users. At the same time SSIM metric did drop significantly.
You can try it out yourself: Encode the same source clip with "--ssim --tune film" and with "--ssim --tune ssim" (the latter includes "--no-psy"). Then you'll see...
(Side note: I'm currently developing a SSIM-based metric for a specific application and I'm having a hard time to measure a certain "effect" - one that is clearly visible to human viewers)