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How do ML based lossy codecs compare to state of the art lossy compression? Intuitively it sounds like something AI will do much better. But this is rather cool.


They perform better, from what I've read.


Depends entirely on your definition of "better".

In terms of quality vs bit rate, ML-based methods are superior.

In terms of computation and memory requirements, they're orders of magnitude worse. It's a trade-off; TINSTAAFL.


> memory requirements

Agreed, although this bit is unclear - the compressed representations of the ML-based methods take up much less space in memory than traditional methods, but yes - the decompression pipeline is memory-intensive due to intermediary feature maps.




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