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dunham
on July 23, 2018
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How JPEG actually works (2006)
PDF uses jpeg2k, but I don't know of anything else that does. (Archive.org is using both jpeg2k and jbig in their pdfs.)
userbinator
on July 23, 2018
[–]
Yes, the PDFs on archive.org are the first thing to come to mind (and my first exposure to J2K) --- not all of them use it, but you can identify them by the surprisingly long time it takes to render each page.
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