Device and method for data coding and decoding

Details Device and method for data coding and decoding Device and method for data coding and decoding

1996-11-13

1999-01-12

Coles, Edward L.

Image analysis

Color image processing

Compression of color images

382166, 382247, 382304, 382238, 3582612, 3582611, 358430, 358514, G06K 900, G06K 936, G06K 954, H04M 1417

Patent

active

058599266

ABSTRACT:
A data coding device codes input object color pixel data into coded data. The data coding device includes a parallel/serial converter that converts the object color pixel data composed of parallel data of multiple bits into serial data, a state signal generator that generates a states signal for each bit of the serial data and a prediction device which groups each bit of the serial data based on the state signal, and an arithmetic calculator that converts the color pixel data into coded data based on the data received from the prediction device. A corresponding data decoding device is also disclosed.

REFERENCES:
patent: 3739085 (1973-06-01), Rosen et al.
patent: 4325085 (1982-04-01), Gooch
patent: 4652856 (1987-03-01), Mohiuddin et al.
patent: 4905297 (1990-02-01), Langdon, Jr. et al.
patent: 4935882 (1990-06-01), Pennebaker et al.

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