Image-acquisition apparatus

Television – Camera – system and detail – Combined image signal generator and general image signal...

Reexamination Certificate

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C348S222100

Reexamination Certificate

active

07889250

ABSTRACT:
An image-acquisition apparatus is provided, including a correction-coefficient calculating unit109for obtaining an image signal subjected to prescribed image processing and creating, in each region, a first correction-coefficient group formed of a plurality of correction coefficients corresponding to a plurality of pixels; a correction-coefficient-group adjusting unit110for creating a second correction-coefficient group by adjusting the first correction-coefficient group using the image signal from an image-acquisition device or a feature of the image signal subjected to the image processing; and a grayscale converter111for performing grayscale conversion processing in each region using the second correction-coefficient group.

REFERENCES:
patent: 6906747 (2005-06-01), Okada
patent: 6965406 (2005-11-01), Ueda et al.
patent: 7024036 (2006-04-01), Shinbata
patent: 7286167 (2007-10-01), Sakamoto et al.
patent: 2002/0025079 (2002-02-01), Kuwata et al.
patent: 10-322557 (1998-12-01), None
patent: 11-8768 (1999-01-01), None
patent: 2951909 (1999-07-01), None
patent: 3465226 (2003-08-01), None
patent: 2003-264849 (2003-09-01), None
patent: 2003-304417 (2003-10-01), None
Japanese Office Action dated Feb. 23, 2010 issued in counterpart Japanese Application No. 2005-174951.

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