Nagachetan Bangalore, Waqas Hassan, Bhargav K. Mitra, Philip Birch, Rupert C. D. Young, Chris R. Chatwin. Door surveillance using edge map-based Harris corner detector and active contour orientation. In Zia-ur Rahman, Stephen E. Reichenbach, Mark A. Neifeld, editors, Visual Information Processing XX, 25 April 2010, Orlando, Florida, USA. Volume 8056 of SPIE Proceedings, pages 805608, SPIE, 2011. [doi]