Method and apparatus memory requirements for storing reference f

Details Method and apparatus memory requirements for storing reference f Method and apparatus memory requirements for storing reference f

1997-12-30

1999-08-03

Britton, Howard

Television

Bandwidth reduction system

Data rate reduction

348402, 348424, H04N 750

Patent

active

059331950

ABSTRACT:
A method and apparatus that compresses reference frame information to efficiently utilize memory within a video decoder. Specifically, the present invention stores one or more reference frames in a compressed format, then recalls and decompresses portions of the frames as needed to decode predicted frames within a received bitstream containing video information.

REFERENCES:
patent: 5262854 (1993-11-01), Ng
patent: 5581302 (1996-12-01), Ran
patent: 5635985 (1997-06-01), Boyce
patent: 5777677 (1998-07-01), Linzer

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