An Approach for Enhancing the Results of Detecting Foreground Objects and Their Moving Shadows in Surveillance Video. - Cahya Ong; Sijun Lu; Jian Zhang 002 (DICTA, 2008)

Compressing spatio-temporal trajectories. - Joachim Gudmundsson; Jyrki Katajainen; Damian Merrick; Cahya Ong; Thomas Wolle (Comput. Geom., 2009)