Adaptive type differential encoding method and device

Details Adaptive type differential encoding method and device Adaptive type differential encoding method and device

1993-10-07

1995-06-27

Kostak, Victor R.

Television

Bandwidth reduction system

Data rate reduction

348391, 348393, H04N 746

Patent

active

054283949

ABSTRACT:
A device for encoding a component color image data having plural, diverse kinds of component data has plural kinds of encoding units including plural kinds of encoding memory tables which correspond to the respective component data and have diverse encoding characteristics. Each encoding unit has component data input thereto in a picture element amount which is encoded by use of one kind of encoding memory table among the plurality of kinds of memory tables and is output. The encoding units are controlled by an encoding controller which selects the encoding memory table for use in accordance with at least one kind of component data corresponding to the input picture element and component data corresponding to picture elements surrounding the input picture element.

REFERENCES:
patent: 4716453 (1987-12-01), Pawelski
patent: 4875090 (1989-10-01), Shimokoriyama et al.

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