Theo E. Schouten, Harco Kuppens, Egon L. van den Broek. Video surveillance using distance maps. In Nasser Kehtarnavaz, Phillip A. Laplante, editors, Real-Time Image Processing 2006, San Jose, CA, USA, January 15, 2006. Volume 6063 of SPIE Proceedings, pages 606306, SPIE, 2006. [doi]
Abstract is missing.