Patent ID: 8132725

Claim:
A method of detecting suspicious activity, the method comprising: obtaining video data originating from at least one video camera that monitors an area; analyzing the video data to track items, the step of analyzing the video data comprises analyzing frames of video from at least one region of interest in at least a portion of the video data to identify a respective event indicating presence of an item; and comparing video analysis of the item to transaction data to identify suspicious activity, the step of comparing the video analysis comprises: analyzing items identified as being transacted in the transaction data in comparison to events produced from analysis of the video data to determine if the item represented by at least one event produced from the analysis of the video data is indicated as an item for transacting in at least a portion of transaction data; and correlating a relationship between video events from the analysis of the video data to transaction data of items reflected as having been transacted in the transaction data to identify events indicating at least one item in the video data that does not have a corresponding record in the transaction data.