Adaptive prediction for binary encoded documents containing a mi

Details Adaptive prediction for binary encoded documents containing a mi Adaptive prediction for binary encoded documents containing a mi

1983-10-11

1985-12-17

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358135, 358283, H04N 100, H04N 712, H04N 140

Patent

active

045595631

ABSTRACT:
This is a circuit and method for adaptively selecting one of a plurality of predictor patterns to encode a stream of image data blocks such as would be output from a raster-input-scanner. A variety of halftone and nonhalftone predictor patterns are used and compared, with the best one being selected to predict the next block. Using this technique, the best predictor pattern is usually selected, predicted data buffering is not needed, and no code need be transmitted with the data to the receiver to specify the predictor to be used in the deprediction process since the same basic information is also available to the receiver.

REFERENCES:
patent: 3185824 (1965-05-01), Blasbalg et al.
patent: 3769453 (1973-10-01), Bahl et al.
patent: 3937871 (1976-02-01), Robinson
patent: 4141034 (1979-02-01), Netravali et al.
patent: 4144547 (1979-03-01), Stoffel
patent: 4435726 (1984-03-01), Liao

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