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Correlating detected events with image data

  • US 8,462,212 B1
  • Filed: 01/11/2010
  • Issued: 06/11/2013
  • Est. Priority Date: 12/04/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving at an analyzer, from a first monitoring system, video of an environment in which an item is entered at a point of sale system;

    via a communication outputted from a second monitoring system that is an add-on device disposed in the environment to monitor communication signals in the environment where the item is entered, detecting an occurrence of at least one event associated with entering the item; and

    wherein the communication outputted from the second monitoring system is an optical signal produced by an optical radiation source controlled by the second monitoring system, the optical signal being generated by the optical radiation source in response to the second monitoring system detecting the occurrence of the at least one event associated with entering the item; and

    wherein the video of the environment as captured by the first monitoring system includes the optical signal generated by the optical radiation source;

    wherein the analyzer detects the optical signal indicating occurrence of the at least one event; and

    correlating the detected at least one event to a particular time in the video when the at least one event occurred.

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