Dongxiang Zhou, Hong Zhang. 2D Shape Measurement of Multiple Moving Objects by GMM Background Modeling and Optical Flow. In Mohamed S. Kamel, Aurélio C. Campilho, editors, Image Analysis and Recognition, Second International Conference, ICIAR 2005, Toronto, Canada, September 28-30, 2005, Proceedings. Volume 3656 of Lecture Notes in Computer Science, pages 789-795, Springer, 2005. [doi]