Television – Image signal processing circuitry specific to television – Special effects
Patent
1997-03-17
1999-10-26
Hsia, Sherrie
Television
Image signal processing circuitry specific to television
Special effects
348591, 348596, 348239, 348578, H04N 974, H04N 5262
Patent
active
059737514
ABSTRACT:
A picture replacement system for replacing a specified area of an original picture, with a desired picture comprising at least one camera for shooting an original picture of the subject; at least one irradiation unit for radiating a specified area of the subject with a predetermined invisible light ray; a picture generation unit for generating a desired picture that matches a size of the specified area; a detection unit for detecting the invisible light ray reflecting from the specified area that has passed around an obstruction in front of the specified area of the subject without being obstructed; a key signal generation unit for generating a key signal indicating a replacement area of the original picture based on a detection result of the detection unit; and a replacement unit for replacing the specified area within the replacement area with a desired picture corresponding to the key signal indicating the replacement area.
REFERENCES:
patent: 4823183 (1989-04-01), Jackson
Ishida Masayuki
Koguma Toru
Hsia Sherrie
Nippon Television Network Corp.
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