Force-Driven Optimization for Correspondence Establishment. - Wai-Him Wong; Horace Ho-Shing Ip (ICSC, 1995)

On the Detection of Parallel Curves Models and Representations. - Wai-Him Wong; Horace Ho-Shing Ip (Int. J. Pattern Recognit. Artif. Intell., 1996)

Detecting Perceptually Parallel Curves: Criteria and Force-Driven Optimization. - Horace Ho-Shing Ip; Wai-Him Wong (Comput. Vis. Image Underst., 1997)

An Area-Based Shape Representation for Affine Invariant Content-Based Retrieval. - Horace Ho-Shing Ip; Dinggang Shen; Wai-Him Wong; Ken C. K. Law (Multimedia Information Analysis and Retrieval, 1998)

Affine-invariant image retrieval by correspondence matching of shapes. - Dinggang Shen; Wai-Him Wong; Horace Ho-Shing Ip (Image Vis. Comput., 1999)