Special effect system for video signal

Details Special effect system for video signal Special effect system for video signal

1987-12-11

1989-05-16

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 22, 364521, 340724, H04N 514

Patent

active

048314455

ABSTRACT:
A special effect system for a video signal comprises a distance calculator for calculating a distance between any given picture element data stored in a video memory, and a predetermined straight line. Certain picture elements are to be relocated in the final image, depending on their distance from the predetermined straight line, to obtain a particular special effect. A function generator including a readable function memory receives the calculated distance data as a read address to the function memory, whereby the calculated distance becomes the effective parameter for generating the special effects. A read address to the video memory is produced by utilizing the output from the function generator.

REFERENCES:
patent: 4479192 (1984-10-01), Yamagami
patent: 4533952 (1985-08-01), Norman, III
patent: 4563703 (1986-01-01), Taylor et al.
patent: 4667236 (1987-05-01), Dresdner
patent: 4680630 (1987-07-01), Field

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