Color picture synthesizer producing an accurate chroma-key despi

Details Color picture synthesizer producing an accurate chroma-key despi Color picture synthesizer producing an accurate chroma-key despi

1994-12-21

1997-03-04

Hsia, Sherrie

Television

Image signal processing circuitry specific to television

Special effects

348592, 348596, H04N 975, H04N 5275

Patent

active

056084668

ABSTRACT:
In a color picture synthesizer, an effective display area is predetermined. An intensity of a designated color in the area is compared to a maximum value and a minimum value. A chroma-key is generated for each intensity value within the range of the maximum value and the minimum value.

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