M. Li, F. C. Langbein, R. R. Martin. Detecting Approximate Incomplete Symmetries in Discrete Point Sets. In: Proc. ACM Symp. Solid and Physical Modeling, pp. 335-340, ACM Siggraph 2007. [DOI:10.1145/1236246.1236294] [PDF] Detecting Approximate Incomplete Symmetries in Discrete Point Sets4th June 2007 in Design Intent Detection tagged publication