Description  Claims  Drawing  Cited references 

WO2007145623A1   [0007] 

Recognition of Repetitive Sequential Human Activity   [0004]  [0051] 
GRAPH BASED EVENT DETECTION FROM REALISTIC VIDEOS USING WEAK FEATURE CORRESPONDENCE   [0004]  [0051] 
Location Based Baggage Detection for Transit Vehicles   [0004]  [0049] 
Detecting Sweethearting in Retail Surveillance Videos   [0052]