Performance evaluation of re-acquisition methods for public transport surveillance. - Valerie Leung; James Orwell; Sergio A. Velastin (ICARCV, 2008)

Video-based detection of specific events in public transport networks. - Louahdi Khoudour; Didier Aubert; Sergio A. Velastin; Valerie Leung; James Orwell (Stud. Inform. Univ., 2010)

Flexible tracklet association for complex scenarios using a Markov Logic Network. - Valerie Leung; Stéphane Herbin (ICCV Workshops, 2011)

Robust abandoned object detection integrating wide area visual surveillance and social context. - James M. Ferryman; David C. Hogg; Jan Sochman; Ardhendu Behera; José A. Rodríguez-Serrano; Simon F. Worgan; Longzhen Li; Valerie Leung; Murray Evans; Philippe Cornic; Stéphane Herbin; Stefan Schlenger; et al. (Pattern Recognit. Lett., 2013)