Comprehensive electronic compositing system

Details Comprehensive electronic compositing system Comprehensive electronic compositing system

1984-04-27

1986-11-25

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 974

Patent

active

046252312

ABSTRACT:
In the present invention, certain improvements are incorporated that permit removal of the backing color when its illumination is of non-constant color. In addition, an improved color logic is described that improves the simultaneous reproduction of fleshtones and green foliage in the same scene. A modified control logic is described that improves reproduction of red objects and fleshtones. A reversed window permits retention of objects whose color is identical to that of the backing. And, finally, a circuit is described which permits a super-imposing of titles or glow where said titles or glow may be made wholly transparent, semi-transparent or opaque.

REFERENCES:
patent: 3595987 (1971-07-01), Vlahos
patent: 4007487 (1977-02-01), Vlahos
patent: 4100569 (1978-07-01), Vlahos
patent: 4344085 (1982-08-01), Vlahos
patent: 4396939 (1983-08-01), Kitahama
patent: 4409611 (1983-10-01), Vlahos
Nakamura and Kamakura, High Quality Montage Pictures by a New Color Killer Soft Chromakey System, SMPTE Journal, vol. 90, Feb., 1981, pp. 107-112.

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