Indexing and Retrieval of 3D Models by Unsupervised Clustering with Hierarchical SOM. - Hau-San Wong; Kent K. T. Cheung; Yang Sha; Horace Ho-Shing Ip (ICPR (4), 2004)

Hierarchical Indexing for 3D Head Model Retrieval Based on Kernel PCA. - Hau-San Wong; Bo Ma 001; Yang Sha; Horace Ho-Shing Ip (IV, 2005)

Hierarchical multi-classifier system design based on evolutionary computation technique. - Hau-San Wong; Kent K. T. Cheung; Chun-Ip Chiu; Yang Sha; Horace Ho-Shing Ip (Multim. Tools Appl., 2007)

3D head model retrieval in kernel feature space using HSOM. - Hau-San Wong; Bo Ma 001; Yang Sha; Horace Ho-Shing Ip (Pattern Recognit., 2008)