Digital chromakey apparatus

Details Digital chromakey apparatus Digital chromakey apparatus

1985-03-15

1986-11-04

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358183, H04N 975

Patent

active

046212809

ABSTRACT:
The digital chromakey system filters out a color signal from a first digital color-television signal and produces a chromakey signal which is combined with the first digital color-television signal to cancel out the color portion. The chromakey signal is also combined with a second color-television signal so that the second color television signal can be inserted into the first color-television signal whose color portion was cancelled.

REFERENCES:
patent: 3673324 (1972-06-01), Ito
patent: 3778542 (1973-12-01), Hanseman
patent: 4041527 (1977-08-01), Rayner
patent: 4319266 (1982-03-01), Bannister
patent: 4533937 (1985-08-01), Yamamoto
"A Production Technique of a Television Program," pp. 128-133, Sectons 1 and 2, published by Nippon Hoso Kioki (1983).

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