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Daala: Perceptual Vector Quantization (PVQ)
(
xiph.org
)
17 points
by
derf_
on Nov 18, 2014
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3 comments
cromwellian
on Nov 19, 2014
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[–]
The bit on normalized vector quantization reminded me of the normal vector quantization technique on the unit sphere used by Java3D
https://docs.oracle.com/cd/E17802_01/j2se/javase/technologie...
nullc
on Nov 18, 2014
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[–]
Hm. The pictures at the bottom are only really obvious if I middle click to make them big.
derf_
on Nov 18, 2014
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[–]
Yeah, load them in two browser tabs and switch back and forth for best effect.
Though even at the small size you can see how badly JPEG gets the colors wrong at this rate.
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