| 摘要 |
A method for determining the color of an illuminant of a scene includes the steps of: forming a color digital image of the scene; forming a chromaticity bitmap of the digital image; smoothing the chromaticity bitmap; identifying a plurality of spokes in the smoothed chromaticity bitmap and projecting a plurality of beams across the smoothed chromaticity bitmap, each beam encompassing one of the spokes; identifying the intersection of the area occupied by the beams; and determining the central tendency of the intersection to determine the color of the illuminant.
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