Method of separating a foreground picture signal from a mixed pi

Details Method of separating a foreground picture signal from a mixed pi Method of separating a foreground picture signal from a mixed pi

1994-02-02

1995-08-22

Groody, James J.

Television

Image signal processing circuitry specific to television

Special effects

348592, H04N 975

Patent

active

054444969

ABSTRACT:
In a method of separating a foreground picture signal FG from a mixed picture signal MG which has a key color KC as well as transition colors to this key color in key regions, the foreground picture signal is removed from the key color and the transition colors in accordance with the equation

REFERENCES:
patent: 5301016 (1994-04-01), Gehrmann

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