A two-stage approach to detect abandoned baggage in public places. - Bhargav K. Mitra; Waqas Hassan; Philip Birch; Akber Gardezi; Rupert C. D. Young; Chris R. Chatwin (Visual Information Processing, 2010)

Door surveillance using edge map-based Harris corner detector and active contour orientation. - Nagachetan Bangalore; Waqas Hassan; Bhargav K. Mitra; Philip Birch; Rupert C. D. Young; Chris R. Chatwin (Visual Information Processing, 2011)

Illumination invariant stationary object detection. - Waqas Hassan; Philip Birch; Bhargav K. Mitra; Nagachetan Bangalore; Rupert C. D. Young; Chris R. Chatwin (IET Comput. Vis., 2013)