Method of lossy decoding of bitstream data

Details Method of lossy decoding of bitstream data Method of lossy decoding of bitstream data

1996-03-20

1997-12-30

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Auxiliary signal

3582611, H04N 1415

Patent

active

057036977

ABSTRACT:
Disclosed herein is a method of lossy decoding of bitstream data. The method comprises the steps of decoding the bitstream data having a plurality of symbols to provide an image stream having a plurality of image blocks, marking an image block with a first identifier having a spatial position associated with a location when an invalid symbol is encountered, discarding the bitstream data until a resynchronization code is decoded, marking the image block associated with the resynchronization code with a second identifier, decoding the image stream to provide a plurality of display frames having a plurality of display blocks, comparing the display blocks of a display frame for similarity between the display blocks of a previous display frame to determine display blocks having errors, and replacing the display blocks having errors with previous display blocks corresponding to a similar spatial position.

REFERENCES:
patent: 4546390 (1985-10-01), Konishi et al.
patent: 5113256 (1992-05-01), Citta et al.
patent: 5267036 (1993-11-01), Habraken et al.
patent: 5555028 (1996-09-01), Kim
patent: 5555029 (1996-09-01), Kim
patent: 5565991 (1996-10-01), Enari

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