Digital video effects system employing a chroma-key tracking tec

Details Digital video effects system employing a chroma-key tracking tec Digital video effects system employing a chroma-key tracking tec

1978-12-20

1980-04-01

Murray, Richard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 22, 358185, H04N 522

Patent

active

041964497

ABSTRACT:
A chroma-key insertion technique by which a part of a second television picture, designated by a chroma-key signal produced from a first television picture, is inserted into the first television picture. The second television picture is displayed on a television monitor which is inserted into the chroma-key frame advantageously allowing a television announcer to always face or direct his eyes toward the chroma-key screen in which a picture from a remote video source is to be inserted on a resultant picture.

REFERENCES:
patent: 3515802 (1970-06-01), Wise
patent: 3832485 (1974-08-01), Pieters
patent: 4007487 (1977-02-01), Vlahos
patent: 4092673 (1978-05-01), Adams

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