System for aligning document images when scanned in duplex mode

Details System for aligning document images when scanned in duplex mode System for aligning document images when scanned in duplex mode

1997-05-07

2000-05-23

Rogers, Scott

Image analysis

Image enhancement or restoration

Artifact removal or suppression

382209, 382260, 358463, 358465, G06K 940, G06K 962, H04N 1409

Patent

active

060673850

ABSTRACT:
A system and method for handling duplex documents by exploiting bleed-through of the image on the back side of a document. The images of the back sides and front sides of documents are associated with one another to assure correct output in copying, faxing, scanning, etc. This increases reliability, eases recovery from errors including paper jams. Improved document handling capabilities also include avoiding twice duplicated and skipped pages and correcting page orientation errors.

REFERENCES:
patent: 4974034 (1990-11-01), Rabb et al.
patent: 5446524 (1995-08-01), Koike et al.
patent: 5646744 (1997-07-01), Knox
patent: 5832137 (1998-11-01), Knox

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