Method and apparatus for accelerating image data compression

Details Method and apparatus for accelerating image data compression Method and apparatus for accelerating image data compression

1998-01-20

2000-09-05

Kelley, Christopher S.

Image analysis

Color image processing

Compression of color images

382239, G06K 936

Patent

active

061154962

ABSTRACT:
The present invention is directed to systems and methods for compressing image data while at the same time, the speed of compression, the compression ratio (that is, reduced memory requirements) and the perceptibility of the decompressed image, even when the image data is compressed without segregation into its scanned and non-scanned components. Exemplary embodiments achieve such improved perceptibility regardless of whether the images are monochrome (having varying grey scale values) or color. In addition, improved perceptibility is realized in a manner which permits image data including scanned and/or unscanned images to be compressed in real-time.

REFERENCES:
patent: 4965754 (1990-10-01), Stansfield et al.
patent: 5046119 (1991-09-01), Hoffert et al.
patent: 5247589 (1993-09-01), Faul et al.
patent: 5719969 (1998-02-01), Taguchi

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