Face-Based Illuminant Estimation
In this work we show that it is possible to use skin tones to estimate the illuminant color. We use a face detector to find faces in the scene, and the corresponding skin colors to estimate the chromaticity of the illuminant. The method, that has been presented at CVPR 2012  is based on two observations: first, skin colors tend to form a cluster in the color space, making it a cue to estimate the illuminant in the scene; second, many photographic images are portraits or contain people. If no faces are detected, the input image is processed with a low-level illuminant estimation algorithm automatically selected according to . The method will be demonstrated on a public dataset of images in RAW format , and on images acquired live during the demo.
KeywordsInput Image Skin Color Color Space Face Detector Color Constancy
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