Video composing system using special effect apparatus
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United States of America Patent
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-
Jun 9, 1992
Grant Date -
N/A
app pub date -
Oct 29, 1990
filing date -
Oct 27, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A video composing system for producing special effects comprising two special effect circuits each of which includes: a video display, a write-in address generator, a read-out address generator responsive to special effect signals, and a depth data generator for generating depth data according to the read operation. Also included is an image mixer for mixing video signals received from the two special effect circuits and a comparator for comparing data received from the two special effect circuits and for producing a control signal based thereon. Taking into consideration the depth parameter produces more naturally appearing video images.
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