Image processing system and image processing method

Details Image processing system and image processing method Image processing system and image processing method

2011-01-04

2011-01-04

Lee, Thomas D (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S002100, C358S001160

Reexamination Certificate

active

07864367

ABSTRACT:
A printer divides an input image into a plurality of blocks and extracts a block image corresponding to each of the blocks. The colors of the block image are reduced to, for example, four colors. Index numbers are given to pixels of the color-reduced image, and the four colors are assigned. To a color palette in which color information of the four colors is described in correspondence with the index numbers, object information indicative of the kinds of images (for example, a character, a chart, and a photographic image) is added. Consequently, the handling performance of object information for use in an image processing such as a color conversion process is improved.

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patent: 5768481 (1998-06-01), Chan et al.
patent: 6870637 (2005-03-01), Watanabe
patent: 9-83809 (1997-03-01), None
patent: 10-51652 (1998-02-01), None
patent: 2000-165690 (2000-06-01), None

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