Research

3-D Shape Modeling and Deformation

	Sweep-based Human Modeling and Deformation
	Sketch-based Generalized Cylinder Modeling

Geometric Processing

Surface and Surface Intersection (SSI) Collision Detection

3-D User Interface and Interaction

	6 D.O.F. 3D Trackballs
	3-D GIS (Geographic Information System)

E-Education System

	CSEE (Communication System for E-Education)
	GSE (Graph-drawing System for Education)