Dong-Ming Yan, Yang Liu, Wenping Wang. Quadric Surface Extraction by Variational Shape Approximation. In Myung-Soo Kim, Kenji Shimada, editors, Geometric Modeling and Processing - GMP 2006, 4th International Conference, Pittsburgh, PA, USA, July 26-28, 2006, Proceedings. Volume 4077 of Lecture Notes in Computer Science, pages 73-86, Springer, 2006. [doi]
Abstract is missing.