Method and apparatus for encoding and decoding color images

Details Method and apparatus for encoding and decoding color images Method and apparatus for encoding and decoding color images

1993-12-23

1994-11-01

Rogers, Scott A.

Facsimile and static presentation processing

Natural color facsimile

Specific image-processing circuitry

358539, 358462, H04N 141, H04N 146

Patent

active

053611470

ABSTRACT:
This invention relates to an image processing apparatus having a function of encoding or decoding image data and discloses a technique for extracting an image feature, especially a thin image portion of a specific color of an image, and for encoding the thin image portion with high efficiency to minimize degradation of image quality by selecting an appropriate encoding method.

REFERENCES:
patent: 4878125 (1989-10-01), Katayama et al.
patent: 4887151 (1989-12-01), Wataya
patent: 4958218 (1990-09-01), Katayama et al.
patent: 4958238 (1990-09-01), Katayama et al.
patent: 4974071 (1990-11-01), Maeda
patent: 5068746 (1991-11-01), Ohsawa et al.

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