Picture decoder for preventing jitter in fast-play modes of oper

Details Picture decoder for preventing jitter in fast-play modes of oper Picture decoder for preventing jitter in fast-play modes of oper

1996-11-25

1998-10-27

Kostak, Victor R.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

348497, H04N 5783

Patent

active

058288082

ABSTRACT:
A picture decoder which prevents picture jitter when operating in a fast play mode. The picture decoder has a picture jitter preventing apparatus, which includes a picture coding extension region detector for detecting a picture coding extension region from picture data coded according to the MPEG2 standard, information region detector for detecting a region having top.sub.-- field.sub.-- first and repeat.sub.-- first.sub.-- field information from the detected picture coding extension region signal, and an information converter for converting values of top.sub.-- field.sub.-- first and repeat.sub.-- first.sub.-- field into 1 and 0, respectively, when in the fast play mode, and outputting the picture data free of jitter.

REFERENCES:
patent: 5592299 (1997-01-01), Boyce et al.
patent: 5615018 (1997-03-01), Wu et al.
patent: 5687275 (1997-11-01), Lane et al.

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