Television – Image signal processing circuitry specific to television – Motion dependent key signal generation or scene change...
Reexamination Certificate
2005-12-22
2008-12-16
Czekaj, David (Department: 2621)
Television
Image signal processing circuitry specific to television
Motion dependent key signal generation or scene change...
C375S240260
Reexamination Certificate
active
07466365
ABSTRACT:
A frame extraction unit detects a luminance change point frame in which the brightness change amount between frames is equal to or higher than a threshold value from a moving image formed by a plurality of frames. A flash check unit checks the presence/absence of a flash portion in the moving image on the basis of the detected luminance change point frame.
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Nov. 6, 2006 Japanese Official Action (with English-language translation).
Mar. 7, 2008 Official Action in Japanese Patent Appln. No. 2000-287597 (with translation).
Canon Kabushiki Kaisha
Czekaj David
Fitzpatrick ,Cella, Harper & Scinto
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