Electronic camera having color adjustment function and...

Details Electronic camera having color adjustment function and... Electronic camera having color adjustment function and...

2005-05-02

2008-09-09

Ometz, David (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S224100, C348S225100

Reexamination Certificate

active

07423674

ABSTRACT:
An electronic camera controls an imaging section to generate a test image without flash and a main image with flash. Then, the electronic camera judges correlation between histogram distributions of the test image and the main image. If the correlation between the histogram distributions is low, the electronic camera judges that the flash illumination is uneven and performs white balance adjustments, placing greater importance on the color temperature of the flash. Conversely, if the correlation between the histogram distributions is high, the electronic camera judges that the flash illumination is uniform and performs white balance adjustments, placing greater importance on the color temperature of the main image.

REFERENCES:
patent: 5001552 (1991-03-01), Okino
patent: 5568194 (1996-10-01), Abe
patent: 6075562 (2000-06-01), Sakaguchi et al.
patent: 6151073 (2000-11-01), Steinberg et al.
patent: 6195127 (2001-02-01), Sugimoto
patent: 6493468 (2002-12-01), Matsuura
patent: 2003/0058357 (2003-03-01), Aotsuka
patent: 2006/0182338 (2006-08-01), Toyoda et al.
patent: A 8-051632 (1996-02-01), None
patent: A 2003-264850 (2003-09-01), None

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