Video signal processing systems

Details Video signal processing systems Video signal processing systems

1985-04-10

1988-07-12

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 22, H04N 514

Patent

active

047573848

ABSTRACT:
A video processing system in which the shape or size of an image can be altered by providing a map of address signals representing the addressess in the store to which input video signals must be written to produce the desired change. These addresses can be manipulated so that there are a number of changes to the image. Where there is an expansion in the image the address signals are filtered to prevent picture break up. The incoming video signals are written into the filtered addresses and then new picture points are interpolated to produce the desired expansion.

REFERENCES:
patent: 2999127 (1961-09-01), Fisher
patent: 4163249 (1979-07-01), Michael et al.
patent: 4302776 (1981-11-01), Taylor et al.
patent: 4563703 (1986-01-01), Taylor et al.
patent: 4590520 (1986-05-01), Frame et al.

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