Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1990-11-16
1991-10-15
Peng, John K.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358135, H04N 718, H04N 712
Patent
active
050579169
ABSTRACT:
An image area is refreshed during the transmission of a set of motion compensated sequential video images. The video images are divided into a plurality of adjacent regions. The image area is refreshed during a refresh cycle by communicating a different region in each successive video image of the set without motion compensation. Motion compensation of the previously refreshed regions of the image area during the refresh cycle is restricted to an area containing only the previously refreshed regions. Video image data from a current region being refreshed is encoded for use by a decoder in identifying it as non-motion compensated data.
REFERENCES:
patent: 4873575 (1989-10-01), De Haan
patent: 4937668 (1990-06-01), Hosaka
Esserman James N.
Heller Jerrold A.
Krause Edward
Liu Vincent C.
Paik Woo H.
General Instrument Corporation
Lipsitz Barry R.
Peng John K.
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