Method for white balance adjustment and digital image...

Details Method for white balance adjustment and digital image... Method for white balance adjustment and digital image...

2006-12-14

2010-06-01

Ometz, David L (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

Reexamination Certificate

active

07728884

ABSTRACT:
The present invention provides a white balance adjustment method and a digital image capturing device using the same. The method according to the present invention comprises the following steps: capturing an image; partitioning the image into one or more blocks; obtaining a first brightness value of each block; obtaining a second brightness value, a R value, a G value and a B value of each block; determining whether each block is a gray block according to the difference value between the first brightness and the second brightness values, the R value, the G value and the B value; and determining whether to proceed with a first white balance procedure or a second white balance procedure according to the quantity of the gray block(s).

REFERENCES:
patent: 5568194 (1996-10-01), Abe
patent: 2004/0120575 (2004-06-01), Cheng
patent: 2005/0195290 (2005-09-01), Takeshita

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