unpaper: Unpaper (Post-processing Scanned Book Pages) unpaper: unpaper: Unpaper is a post-processing tool for scanned sheets of paper unpaper: especially for book pages that have been scanned from previously unpaper: created photocopies. The main purpose is to make scanned book pages unpaper: better readable on screen after conversion to PDF. Additionally unpaper: unpaper might be useful to enhance the quality of scanned pages unpaper: before performing optical character recognition (OCR). unpaper: unpaper: unpaper: