Robust automatic page size detection algorithm for scan...

Details Robust automatic page size detection algorithm for scan... Robust automatic page size detection algorithm for scan...

2005-12-21

2009-06-09

Lee, Thomas D (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S449000, C358S474000

Reexamination Certificate

active

07545535

ABSTRACT:
The present invention discloses a method of automatically detecting a page size for a digital scanning operation. The method includes establishing vertical and horizontal limits of an image area containing image content features of a pre-scanned image, detecting vertical page edge information of the image area, and detecting horizontal page edge information of the image area, such that the vertical and horizontal page edge information define the page size for the pre-scanned image.

REFERENCES:
patent: 5946527 (1999-08-01), Salgado et al.
patent: 6266512 (2001-07-01), De Koning et al.
patent: 6535306 (2003-03-01), Kiuchi
patent: 2004/0190072 (2004-09-01), Li et al.
patent: 2005/0219649 (2005-10-01), Kim

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