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Video-based passback event detection

  • US 20050168574A1
  • Filed: 01/30/2004
  • Published: 08/04/2005
  • Est. Priority Date: 01/30/2004
  • Status: Active Grant
First Claim
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32-1. A computer-readable medium as in claim 1, wherein said initiating said action comprises initiating a triggered response for each detected passback event.

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