A video surveillance system uses rule-based reasoning and multiple-hypothesis scoring to detect predefined behaviors based on movement through zone patterns. Trajectory hypothesis spawning allows for trajectory splitting and/or merging and includes local pruning to managed hypothesis growth. Hypotheses...http://www.google.com.hk/patents/US7088846?utm_source=gb-gplus-share專利 US7088846 - Video surveillance system that detects predefined behaviors based on predetermined patterns of movement through zones
