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Method for statistical analysis of images for automatic white balance of color channel gains for image sensors
Method for statistical analysis of images for automatic white balance of color channel gains for image sensors
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机译:用于图像传感器的色彩通道增益自动白平衡的图像统计分析方法
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摘要
A process for performing white balancing of an image is performed by subdividing an image into a plurality of subframes, and then analyzing each subframe to determine if that subframe is predominantly monochromatic other than gray. If so, that subframe is excluded from the computation of the gain adjustments in the white balancing operation. As a result, the white balance process is performed using only the multicolored and/or gray subframes, thus allowing the overall white-balance of the image to be shifted only when a change in the color average is due to a change in the spectra of illumination, and not a presence of large monochromatic areas in the image.
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