A security assistance system combining person tracking with chemical attributes and video event analysis. - Christopher Becher; Gian Luca Foresti; Peter Kaul; Wolfgang Koch 001; Frank P. Lorenz; Daniel Lubczyk; Christian Micheloni; Claudio Piciarelli; Konstantin Safenreiter; Carsten Siering; Macarena Varela; Siegfried R. Waldvogel; et al. (FUSION, 2008)