what scanner did you use that produces such poor calibration? allan
On 5/11/08, Ekkehard Morgenstern <ekkehard at ekkehardmorgenstern.de> wrote: > > Hi guys, > > today I wrote a small program to auto-correct color scans made by SANE. > It is especially useful for scanning paper. > > Have a look at it here: > http://www.ekkehardmorgenstern.de/scancorrect-0.1.tar.gz > > The archive file contains ANSI C source code that works with libpng, > description (readme.txt) and BSD license (license.txt), as well as a > binary for OpenBSD 4.3 and a simple makefile. Size-reduced sample images > are also included to see how it works. > > The program works like this: > - First, you scan a blank sheet of paper, using a SANE frontend, like > XSane (with default gamma correction!). This gives you a file that > contains the data for a white sheet. > - Then, you scan the sheet of paper you want to correct, also with the > default gamma correction. > - After that, you run the scancorrect program. It creates a new image > based on the two input files. > > It's a very simple idea, but the concept could be integrated into a SANE > driver, SANE itself, or a SANE frontend. :) > > Greetings, > > Ekkehard. > > > > > > -- > sane-devel mailing list: sane-devel at lists.alioth.debian.org > http://lists.alioth.debian.org/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > to sane-devel-request at lists.alioth.debian.org > -- "The truth is an offense, but not a sin"
