Method and apparatus for the detection of behaviours in a retail environment

An apparatus for identification of suspect client behaviour in a retail environment, comprising:

• means for detecting a person in a frame of a stream of video data obtained from a plurality of video sensors in the retail environment;
• means for extracting a set of activities of the detected person from the stream of video data;
• means for assigning a numeric value to each extracted activity in the set of extracted activities, said numeric value being representative of a threat level of the activity;
• means for accumulating said numeric values to provide a behaviour score;
• and
• means for identifying a behaviour as being suspect when the behaviour score reaches a target threshold value associated with the behaviour.