Zheng, J.-H., Hao, C.-Y., Fan, Y.-Y., & Zang, X.-Y. (2011). ADAPTIVE SKIN DETECTION UNDER UNCONSTRAINED LIGHTING CONDITIONS USING A BIGAUSSIAN MODEL AND ILLUMINATION ESTIMATION. Image Analysis and Stereology, 24(1), 21-33. https://doi.org/10.5566/ias.v24.p21-33