Data compression apparatus and method

Details Data compression apparatus and method Data compression apparatus and method

1992-05-20

1993-11-09

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 13, H04N 7133

Patent

active

052607810

ABSTRACT:
A data compression system in which decorrelated data is fed to an entropy encoder (20) in batches having an internal monotonic decrease in average information content from start to end. This results in longer zero runs and more rapid attainment of end of block codes. A data sequencing circuit (18) comprising nested inter-sub band (60) and intra-sub band (72) counters for use with sub band filtered video data is also described.

REFERENCES:
patent: 4302775 (1981-11-01), Widergren et al.
patent: 4821119 (1989-04-01), Gharavi
patent: 4969040 (1990-11-01), Gharavi
patent: 4982282 (1991-01-01), Saito et al.
E. Dubois and J. L. Moncet, IEEE Trans. Comm., vol. COM-34 (3), Mar. 1986, pp. 312-319.
W. H. Chen and W. K. Pratt, IEEE Trans. Comm., vol. COM-32 (3), Mar. 1984, pp. 225-232.

Affiliated with

Also associated with

Rating

Data compression apparatus and method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Data compression apparatus and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Data compression apparatus and method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1146841