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Poster: Albretch Date: May 18, 2022 8:09pm
Forum: texts Subject: Re: Downloading books with yellowed pages leads to a document having blank pages without text.

last time I checked I didn't have any kind of Daltonism. That page, however, didn't look fine to me it had a yellowish background to it. I am curious about the origin of those background artifacts at which point of the scanning or ocring does it happen?
unpaper:
https://github.com/Flameeyes/unpaper
is highly amenable to scripting:
https://www.auditeon.com/software:unpaper_test