Television – Image signal processing circuitry specific to television – Motion dependent key signal generation or scene change...
Reexamination Certificate
2004-02-18
2008-12-30
Philippe, Gims (Department: 2621)
Television
Image signal processing circuitry specific to television
Motion dependent key signal generation or scene change...
C382S274000
Reexamination Certificate
active
07471343
ABSTRACT:
The invention provides an image processing device that reduces flickering on a screen by simplifying the structure of an image processing device. The image processing device can include a statistical value calculating unit, a correction parameter calculating unit, and an image correcting unit. The statistical value calculating unit can generate statistical value data. The correction parameter calculating unit equalizes the statistical value data using the low pass filter whose time constant changes according to whether change occurs in the scene, thereby generating the correction parameter. A look-up table is generated based on the correction parameter.
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Moriya Hidekuni
Murai Kiyoaki
Oliff & Berridg,e PLC
Philippe Gims
Seiko Epson Corporation
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