Image data transmitting apparatus and method of controlling...

Details Image data transmitting apparatus and method of controlling... Image data transmitting apparatus and method of controlling...

2006-03-14

2006-03-14

Mancuso, Joseph (Department: 2621)

Image analysis

Color image processing

Compression of color images

Reexamination Certificate

active

07013041

ABSTRACT:
The amount of data in an image file transmitted to a cellular telephone is reduced. To achieve this, the colors of pixels constituting an image represented by image data are specified by a color palette table. Color palettes representing colors that do not appear in the image are deleted from the color palette table. Since the amount of data in the color palette table contained in the image file is reduced, so is the amount of image data in the image file.

REFERENCES:
patent: 5625759 (1997-04-01), Freeman
patent: 6061473 (2000-05-01), Chen et al.
patent: 6518981 (2003-02-01), Zhao et al.
Pei et al., Color Image Compression and Limited Display Using Self-Organization Kohonen Map, IEEE 1051-8215/98, 191-205.

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