Methods of coding and decoding moving-picture signals, using sel

Details Methods of coding and decoding moving-picture signals, using sel Methods of coding and decoding moving-picture signals, using sel

1995-09-28

1998-11-10

Olms, Douglas W.

Television

Bandwidth reduction system

Data rate reduction

348347, 348384, H04N 712, H04N 1102, H04N 1104

Patent

active

058351442

ABSTRACT:
A coded moving-picture signal consists of segments, each having a start code, header information, and coded picture data. The picture data are coded according to a self-resynchronizing variable-length coding rule. During decoding, if an error is recognized, this coding rule is applied in order to resynchronize; the coded data from the resynchronization point up to the next start code are stored in a memory; then the memory contents are decoded. According to a first aspect of the invention, the header information is coded according to the same variable-length coding rule, except for group header information appearing immediately after the start code. According to a second aspect of the invention, the start code is followed by all the header information in the segment, then by all the coded picture data in the segment.

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