Compression and coding device for video signals

Details Compression and coding device for video signals Compression and coding device for video signals

1988-04-22

1990-03-06

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358135, 358138, H04N 702

Patent

active

049070819

ABSTRACT:
A coding device in which N digital signals (time-sequential sampled data), obtained by sampling and quantizing analog video signals, are brought together in one group (N being an integer greater than two) and coded. Among these N sampled data, at least one of them serving as a reference is coded with a number of quantization bits n, which is so great that errors due to the quantization can be neglected, and for the other sampled data the difference between the reference sampled data and each of the others is compressed and coded with a number of bits, which is smaller than n. In this way, even if a coding error is produced; effects thereof are restricted within the gorup where it is produced they are not exerted on the other groups, and thus error propagation does not occur.

REFERENCES:
patent: 4729021 (1988-03-01), Kondo
patent: 4755878 (1988-07-01), Nakayama et al.
"Processing of Digital Image Signals" Fukinuki; 6-84; Nikkan Kogho Shibun Co.

Affiliated with

Also associated with

Rating

Compression and coding device for video signals does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Compression and coding device for video signals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Compression and coding device for video signals will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-52372