Moving picture coding apparatus

Details Moving picture coding apparatus Moving picture coding apparatus

1991-08-15

1992-08-04

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

375 27, 375122, H04N 7137

Patent

active

051363780

ABSTRACT:
A moving picture coding apparatus is disclosed in which when an input image and the image of the preceding image are correlated to each other, the inter-frame coding is effected, while when no correlation exists, the intra-frame coding is carried out for packet switched networks. The moving picture coding apparatus is comprised of a device for refreshing blocks in a frame at regular intervals of time, and when the number of cells generated by coding during a predetermined past time is larger than a threshold level set in advance, the number of blocks refreshed is reduced, thereby preventing the image information more than a maximum transmission capacity of the packet switched networks from being generated.

REFERENCES:
patent: 5043808 (1991-08-01), Knauer
patent: 5063444 (1991-11-01), Knauer

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