this post was submitted on 19 Dec 2023
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[–] MinekPo1@lemmygrad.ml 1 points 10 months ago

JPEG uses a lossy form of compression based on the discrete cosine transform (DCT).

- Wikipedia - JPEG

Many modern compression schemes are more about signal processing than statistics , especially the lossy ones . IIRC 3blue1brown has a video on image compression if you want to learn about it in a visual way