Special effect apparatus

Details Special effect apparatus Special effect apparatus

1991-11-22

1992-11-24

Brier, Jeffery A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 22, 358166, 358162, H04N 5262, H04N 5272

Patent

active

051667967

ABSTRACT:
A special effect apparatus temporally enlarges an input video signal so as to reduce edge intrusion caused by a type of special effect processing and to eliminate color fading due to different sampling frequencies for the luminance and chrominance components of a video signal. The temporally enlarged video signal is formed by sequential selection among three signals: a reference video signal, a preceding video signal which temporally leads the reference video signal and a trailing video signal which temporally lags the reference video signal. Portions of the preceding and trailing video signals are appended to the reference video signal to produce the temporally enlarged video signal which can be processed to create a special effect devoid of edge intrusion.

REFERENCES:
patent: 4392156 (1983-07-01), Duca et al.
patent: 4827344 (1989-05-01), Astle et al.
patent: 4839725 (1989-06-01), Ueda
patent: 4918528 (1990-04-01), Oohashi

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