Device for recursive processing of a video signal, comprising a

Details Device for recursive processing of a video signal, comprising a Device for recursive processing of a video signal, comprising a

1993-12-16

1995-11-21

Chin, Tommy P.

Television

Bandwidth reduction system

Data rate reduction

348699, H04N 713

Patent

active

054692148

ABSTRACT:
Device for recursive processing of a video signal, comprising a plurality of n branches, for recursive parallel processing of a video signal, comprising at least a MEMORY BANK structure (1, 2, 3, 4) which includes: a demultiplexor for demultiplexing the video signal into a plurality of n temporally adjacent sections T1 . . . Tn having a period of T; a decompressor for temporal decompression of each section T1 . . . Tn for obtaining a spread of each decompressed section over a period of nT; a delayor for delaying each decompressed section by a time which is equal to the period T and for aligning each delayed decompressed section with the subsequent non-delayed decompressed section; each branch also comprising processing means (11-21-31; 12-22-32; 13-23-33; 14-24-34) operating in parallel and being coupled to the outputs of the MEMORY BANK structures for processing one of said temporally adjacent sections in a recursive manner with at least one feedback loop (21a-21b-31a; 22a-22b-32a; 23a-23b- 33a; 24a-24b-34a).

REFERENCES:
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patent: 5072293 (1991-12-01), de Haan et al.
patent: 5130797 (1992-07-01), Murakami et al.
patent: 5148269 (1992-09-01), de Haan et al.
patent: 5170259 (1992-12-01), Niihara
patent: 5200820 (1993-04-01), Gharavi
patent: 5212548 (1993-05-01), de Haan et al.
patent: 5327232 (1994-07-01), Kim
Research Disclosure, Sep. 1991, 643 32903.

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