Image compression and decompression method capable of...

Details Image compression and decompression method capable of... Image compression and decompression method capable of...

2005-05-25

2009-10-27

Bella, Matthew C. (Department: 2624)

Image analysis

Color image processing

Compression of color images

C382S232000, C382S251000, C375S240030, C375S240210, C375S240220

Reexamination Certificate

active

07609882

ABSTRACT:
An image compression and decompression method encodes and decodes pixel data based on a color conversion method. Base on the relationships of corresponding color components of two adjacent pixels, the corresponding color components are encoded either by a white and black modification, a down-sampling or an edge modification. Based on the relationships of encoded color components of the two adjacent pixels, the corresponding encoded color components are decoded either by an inverse white and black modification, an up-sampling or an inverse edge modification.

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Lachlan M. Mackinnon “Video and image Compression Standards”, Multimedia Technology, Jan. 2004, F29IG2.

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