unpaper
Post-Processing Tool for Scanned Text Pages
The unpaper command line tool helps with post-processing scanned text pages, especially with book pages scanned from photocopies. unpaper tries to remove dark edges, corrects the rotation ("deskewing"), and aligns the centering of pages.
There is no official package available for openSUSE Leap 15.6Distributioner
openSUSE Tumbleweed
SUSE SLE-15-SP1
RedHat RHEL-7
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.