Research Work on Quadrics
by HKU Computer Graphics Group


An Algebraic Condition for the Separation of Two Ellipsoids

Wenping Wang, Jiaye Wang and Myung-Soo Kim.
Computer Aided Geometric Design, 18(6):531-539, 2001

Enhancing Levin's Method for Computing Quadric-Surface Intersections

Wenping Wang, Ronald Goldman, and Changhe Tu.
Comput. Aided Geom. Des. 20, 7 (October 2003), 401-422.

Efficient Collision Detection for Moving Ellipsoids using Separating Planes

W. Wang, Y-K. Choi, B. Chan, M-S. Kim and J. Wang.
Computing, 72(1-2):235-246, 2004

Continuous Collision Detection for Two Moving Elliptic Disks

Yi-King Choi, Wenping Wang, Yang Liu and Myung-Soo Kim.
Transaction on Robotics, 22(2):213-224, 2006

Using Signature Sequences to Classify Intersection Curves of Two Quadrics

Changhe Tu, Wenping Wang, Bernard Mourrain, Jiaye Wang.
Computer Aided Geometric Design, 26(3):317-335, 2009

Continuous Collision Detection for Ellipsoids

Y.-K. Choi, J.-W. Chang, W. Wang, M.-S. Kim and G. Elber.
IEEE Transactions on Visualization and Computer Graphics, 15(2), 311–325, 2009.

An Algebraic Approach To Continuous Collision Detection For Ellipsoids

X. Jia, Y.-K. Choi, B. Mourrain and W. Wang.
Computer Aided Geometric Design, 28 (3), 164–176, 2011.

Continuous Detection of the Variations of the Intersection Curves of Two Moving Quadrics in 3-Dimensional Projective Space

X. Jia, W. Wang, Y.-K. Choi, B. Mourrain and C. Tu.
TR-2012-15, Department of Computer Science, The University of Hong Kong, 2012.
Submitted to Journal of Symbolic Computation 2014.

Continuous Collision Detection for Composite Quadric Models

Y.-K. Choi, W. Wang, B. Mourrain, C. Tu, X. Jia and F. Sun.
Graphical Models, 76(5): 566–579, 2014.