Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 2006.04a
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- Pages.27-29
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- 2006
A new automatic white balance algorithm using non-linear gain
Non-linear gain을 적용한 Automatic White Balance기법
Abstract
In this paper, we propose a new method of automatic white balance which is one of the image signal processing techniques. Our method is conceptually based on gray world assumption. However, while previous methods generate linear results as multiplying pixel values by a gain, our method generates non-linear results using the feature of B-Spline curves. The two merits of deriving non-linear results are preventing AWB failure from transforming strong color of high level into wrong color and well preserving original contrast of an input image.