Segmenting image signals for encoding using quantization analysi

Details Segmenting image signals for encoding using quantization analysi Segmenting image signals for encoding using quantization analysi

1994-06-28

1995-10-17

Kostak, Victor R.

Television

Bandwidth reduction system

Data rate reduction

348405, 348421, H04N 712

Patent

active

054595185

ABSTRACT:
A cell of an image is segmented into two or more subcells. According to one embodiment, the nullity of each of the subcells is classified and the cell is encoded in accordance with the nullity of the subcells. According to another embodiment, the quantization level of each of the subcells is classified and the cell is encoded in accordance with the quantization levels of the subcells.

REFERENCES:
patent: 5097330 (1992-03-01), Guichard et al.
patent: 5122877 (1992-06-01), Keesman
patent: 5150209 (1992-09-01), Baker et al.
patent: 5341442 (1994-08-01), Barrett

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