this post was submitted on 21 May 2025
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[–] ILikeBoobies@lemmy.ca 5 points 17 hours ago* (last edited 17 hours ago) (1 children)

Tldr: as we deal with a problem long enough we find more effective ways of dealing with it

https://jpegxl.info/

Has some info on what it does

https://en.m.wikipedia.org/wiki/JPEG_XL

Technically details might be more what you are looking for

https://jpegxl.info/resources/jpeg-xl-test-page

And a test page, if you don’t see jxl images then you should look at updating your browser

[–] Valmond@lemmy.world 1 points 5 hours ago

So you have no hard proof (no critic here, I'm just curious)? Not that it's better but that your test images has the same quality.

For the rest, thank you for the links and the time but that only explains how the compression works.

If you want to know you could do fourier transform and see which kind of signals are cut out in one for example.