Quote:
Originally Posted by kieranrk
Not even sure what to say about that
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Yeah, encoding is pretty much
all psycho-visual techniques.
- Gamma 2.2 is a psychovisual optimization
- 8-bit luma range is a psychovisual optimization
- Default quant tables are nothing but a psychovisual optimization
- DCT-like transforms are a psychovisual optimization
- Rec. 709 is a psychovisual optimization
Just because something doesn't show up in PSNR doesn't mean it's not psychovisual. Tons of tuning for the human visual system happened before the source frame even gets provided to the codec!