Patent ID: 7631808
Filing Date: 2009-12-15
Classification: G06K,G06Q,G06T,G07F,G07G,G08B,H04N

Abstract:
1. A method of detecting suspicious activity, the method comprising: obtaining video data originating from at least one video camera that monitors a transaction area; analyzing the video data to track items involved in a transaction in the transaction area, wherein the step of analyzing comprises automatically 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 the presence of an item associated with the transaction; and comparing the video analysis of the tracked items to transaction data produced from a transaction terminal to identify suspicious activity, wherein the step of comparing comprises analyzing a sequence of items identified as being transacted in the transaction from a 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 the at least a portion of transaction data, and correlating video timestamps of events from the analysis of the video data to transaction timestamps of items reflected as having been transacted in the transaction data to identify events indicating an item in the video data that does not have a corresponding record in the transaction data.