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US 2003/0156206 A1Published application
White balance correction
AssigneeCanon Kabushiki Kaisha
InventorsEiichiro Ikeda, Takaaki Fukui
Life of this patent
Estimating the term…
Abstract
An entered image is divided into a plurality of blocks and it is determined, on a per-block basis, whether image data within an applicable block is indicative of the color white, based upon a condition, from among a plurality of conditions, that conforms to the position of each block in the image. A white balance correction is performed based upon data of a block determined to be indicative of the color white.
Claims43
A white balance correction apparatus comprising:
- a dividing unit adapted to divide an image into a plurality of areas;
- a white evaluation unit adapted to determine whether image data within every divided area is indicative of the color white according to the position of each divided area in the image;
- and
- a white balance correction unit adapted to perform a white balance correction based upon image data determined to be indicative of the color white.
1 more element
A white balance correction method comprising:
- dividing an image into a plurality of areas;
- determining whether image data within every divided area is indicative of the color white according to the position of each divided area in the image;
- and
- performing a white balance correction based upon image data determined to be indicative of the color white.
1 more element
Dependencies are inferred from the claim text.