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JPEG is lossy though - I'm pretty sure these theorems only really apply to lossless compression, because if you allow lossy compression you can do all kinds of
by Panzer04 3y ago
JPEG is lossy though - I'm pretty sure these theorems only really apply to lossless compression, because if you allow lossy compression you can do all kinds of things to different t types of data (pictures being the classic case of permitting pretty lossy compression without much noticeable quality degradation)
- CorrectHorseBat 3y agoMaybe I wasn't clear enough: JPEG -> JPEG XL -> JPEG is not lossy, you get exactly the same bits back, but the JPEG XL file is 20% smaller.
- Panzer04 3y agoOh, very interesting. I'll have to look into it.