Correction apparatus

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

Reexamination Certificate

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C348S222100

Reexamination Certificate

active

07379104

ABSTRACT:
An object of this invention is to correct the non uniformity between a plurality of image sensing regions in real time and cope with even dynamic variations such as temperature variations or variations over time. To achieve this object, a correction apparatus includes a plurality of level adjustment devices which independently adjust the levels of a plurality of image sensing signals output from a plurality of output terminals, an output level detection device which detects the output levels of the plurality of level adjustment devices, and a correction coefficient determination device which determines a correction coefficient for reducing the level difference between the image sensing signals on the basis of the detection result of the output level detection device. The correction coefficient determination device determines the correction coefficient by excluding an object-dependent level difference component in which the level difference between the plurality of image sensing signals exceeds a predetermined level difference. The correction coefficient determination device supplies the determined correction coefficient to the level adjustment devices to perform adjustment so as to reduce the level difference between the image sensing signals.

REFERENCES:
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patent: 6204881 (2001-03-01), Ikeda et al.
patent: 6219097 (2001-04-01), Kamishima et al.
patent: 6677992 (2004-01-01), Matsumoto et al.
patent: 6791615 (2004-09-01), Shiomi et al.
patent: 6906753 (2005-06-01), Matoba et al.
patent: 7260267 (2007-08-01), Sugimoto
patent: 2001/0030770 (2001-10-01), Ohashi
patent: 2003/0025820 (2003-02-01), Miyahara
patent: 1402355 (2003-03-01), None
patent: A 08-181917 (1996-07-01), None
patent: A 2001-094886 (2001-04-01), None
patent: A 2003-116042 (2003-04-01), None
Chinese Office Action dated Nov. 18, 2005.

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