Segmentation of Range Images: A Neural Network Approach. - W. P. Cheung; C. K. Lee; K. C. Li (IWANN, 1995)

Direct shape from shading with improved rate of convergence. - W. P. Cheung; C. K. Lee; K. C. Li (Pattern Recognit., 1997)

Application of Self-Organisation Neural Network for Direct Shape from Shading. - W. P. Cheung; C. K. Lee (Neural Comput. Appl., 2001)