id: 05053529 dt: j an: 05053529 au: Pless, Robert ti: Spatio-temporal background models for outdoor surveillance. so: EURASIP J. Appl. Signal Process. 2005, No. 14, 2281-2291 (2005). py: 2005 pu: Hindawi Publishing Corporation, New York, NY la: EN cc: ut: anomaly detection; dynamic backgrounds; spatio-temporal image processing; background subtraction; real-time application ci: li: doi:10.1155/ASP.2005.2281 ab: Summary: Video surveillance in outdoor areas is hampered by consistent background motion which defeats systems that use motion to identify intruders. While algorithms exist for masking out regions with motion, a better approach is to develop a statistical model of the typical dynamic video appearance. This allows the detection of potential intruders even in front of trees and grass waving in the wind, waves across a lake, or cars moving past. In this paper we present a general framework for the identification of anomalies in video, and a comparison of statistical models that characterize the local video dynamics at each pixel neighborhood. A real-time implementation of these algorithms runs on an 800 MHz laptop, and we present qualitative results in many application domains. rv: