Image encoding/decoding apparatus

Details Image encoding/decoding apparatus Image encoding/decoding apparatus

1994-09-02

1997-02-04

Britton, Howard W.

Television

Bandwidth reduction system

Data rate reduction

348423, H04N 750

Patent

active

056003749

ABSTRACT:
An image encoding/decoding apparatus in which on the transmission side, image information is divided into at least two or more signal groups by a frequency band, the plurality of signal groups are individually high efficiency encoded, an error correction code is added to each of the plurality of encoded signal groups. The resultant signal groups are then multiplexed and transmitted. On the reception side, the transmitted multiplexed signal is divided into the signal groups for every frequency band divided on the transmission side, the error correction and the decoding of the high efficient encoded data are executed for every signal group, and the plurality of signal groups after decoding are frequency band synthesized, thereby reproducing the image information. At least two kinds of error correction codes of different error correcting abilities are used as error correction codes which are added to the plurality of signal groups on the transmission side.

REFERENCES:
patent: 5353059 (1994-10-01), Lawlor et al.
patent: 5491523 (1996-02-01), Sato

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