Image data luminance compensating method and sheet-feeding...

Details Image data luminance compensating method and sheet-feeding... Image data luminance compensating method and sheet-feeding...

2008-11-11

2011-11-08

Poon, King (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S504000, C358S505000, C358S475000

Reexamination Certificate

active

08054507

ABSTRACT:
The present invention relates to an image data luminance compensating method and a sheet-feeding scanning apparatus using such an image data luminance compensating method. According to the reference luminance value change of the reference background strip before and after the current document passes through the scan operating region, the luminance gain associated with compensation of the image data of the next document is determined.

REFERENCES:
patent: 7590501 (2009-09-01), Klassen
patent: 7733519 (2010-06-01), Feng et al.
patent: 2002/0140996 (2002-10-01), Spears et al.
patent: 2006/0001919 (2006-01-01), Owens et al.

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