Compensation method of digital image data

Details Compensation method of digital image data Compensation method of digital image data

2005-05-09

2010-06-08

Popovici, Dov (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Specific to image source

C358S001900, C358S474000, C358S475000, C358S509000

Reexamination Certificate

active

07733519

ABSTRACT:
The present invention relates to a compensation method for compensating digital image data generated from a scanning module of a scanner when the luminance of a lamp tube is unstable. Several compensating gains are computed according to the luminance values of a reference white plate so as to compensate the digital image data. The method of the present invention is implemented by software in a computer.

REFERENCES:
patent: 7447379 (2008-11-01), Choe et al.
patent: 2002/0100863 (2002-08-01), Spears

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