Image processing method and image processor

Details Image processing method and image processor Image processing method and image processor

2005-11-01

2005-11-01

Tran, Phuoc (Department: 2621)

Image analysis

Color image processing

Image segmentation using color

C382S165000, C382S166000, C382S225000

Reexamination Certificate

active

06961462

ABSTRACT:
In the invention, an input image is divided into plural small regions. The color data in each small region are classified to the present group, and plural components are selected in descending order of the variance from the representative color obtained from each group. The color data in the objective group is divided into plural groups in the direction of the selected component, and the representative color of each group is extracted. Such sequential group dividing and the representative color extracting are repeated until a specific number of representative colors are obtained. Therefore the high precise compression and approximation of image can be performed at high speed.

REFERENCES:
patent: 5307182 (1994-04-01), Maltz
patent: 5585944 (1996-12-01), Rodriguez
patent: 5825917 (1998-10-01), Suzuki
patent: 1-264092 (1989-10-01), None
patent: 2539361 (1996-07-01), None

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