Correcting image distortion caused by scanning

Details Correcting image distortion caused by scanning Correcting image distortion caused by scanning

2005-02-10

2009-10-13

Bella, Matthew C (Department: 2624)

Image analysis

Image transformation or preprocessing

Measuring image properties

C382S101000, C382S113000, C382S176000, C382S177000, C382S190000, C382S275000, C382S282000, C358S003260, C358S463000

Reexamination Certificate

active

07602995

ABSTRACT:
An apparatus, system, method, and computer program product is disclosed, each capable of correcting distortion in a scanned image, using at least a character line extracted from the scanned image. The character line is extracted based on a circumscribed rectangle, representing the vertical component of the character. The distortion in the scanned image is corrected based on the length of the circumscribed rectangle in the main scanning direction.

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patent: 2002/0084978 (2002-07-01), Araki et al.
patent: 2003/0113016 (2003-06-01), Naoi et al.
patent: 2003/0198398 (2003-10-01), Guan et al.
patent: 08-044819 (1996-02-01), None
patent: 2003-069807 (2003-03-01), None
Japanese Office Action for Application No. 2004-033634 (1 page).

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