Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1991-09-30
1992-12-08
Britton, Howard W.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358105, 358160, 358135, 358136, H04N 7137
Patent
active
051702592
ABSTRACT:
A motion compensated predictive coding/decoding system of a picture signal in which one frame is constituted by N.times.M pixels. The picture signal is divided into a plurality of block data each have BH.times.BV pixels. The plurality of the block data are coded/decoded with motion compensated prediction by processors, the number of which provided in horizontal and vertical directions being K and L respectively. The plurality of the block data to be coded/decoded are supplied to the processors. On the other hand, data of a former frame stored in K.times.a.times.L.times.b memories, each covering N/K/a.times.M/L/b pixels. By a bus adapter, connection between the processors and memories is switched in accordance with a block position in the frame to be processed so that the processors can access the memories that store the data required for the motion compensated prediction. Any of the memories is not connected simultaneously to a plurality of the processors.
REFERENCES:
patent: 5030953 (1991-07-01), Chiang
patent: 5031037 (1991-07-01), Israelsen
patent: 5057924 (1991-10-01), Yamada
Britton Howard W.
Victor Company of Japan Ltd.
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