unpaper
There are 4 repositories under unpaper topic.
rocketraman/sane-scan-pdf
Sane command-line scan-to-pdf script on Linux with OCR and deskew support
openpaperwork/libpillowfight
Small library containing various image processing algorithms (+ Python 3 bindings) that has almost no dependencies -- Moved to Gnome's Gitlab
ImageProcessing-ElectronicPublications/pnmunpaper
Post-processing tool for scanned pages
egao1980/opticl-ocr
Implementation of unpaper algorithms in Common Lisp