Orientation Estimation of 3D Surface Patches. - Hung-Tat Tsui; Ming-Hong Chan; Kin-Cheong Chu; Shao-Hua Kong (Comput. Vis. Graph. Image Process., 1990)

Feature Tracking from an Image Sequence Using Geometric Invariants. - Hung-Tat Tsui; Zhong-Ying Zhang; Shao-Hua Kong (CVPR, 1997)