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Object detection portal with video display overlay

  • US 7,633,518 B2
  • Filed: 10/25/2002
  • Issued: 12/15/2009
  • Est. Priority Date: 10/25/2002
  • Status: Expired due to Fees
First Claim
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1. An object detection portal system comprising:

  • an object detection portal configured to detect, real-time, the presence of a threat object in a scan volume;

    a video camera to produce a real-time image of the scan volume and provide an output to a display of a scan subject;

    a background signal filter to remove detected background signals caused by objects outside the scan volume;

    a threat object position calculator to produce real-time signals indicative of a real-time position of the threat object, the real-time position of the threat object including at least a horizontal position of the threat object with respect to the object detection portal;

    a shape generator to produce a real-time overlay indicative of the real-time position of the threat object in response to sensing of the threat object, wherein the real-time image and the overlay are indicative of a state in the scan volume at substantially one time; and

    a display driver to produce a signal that allows a real-time visual superimposition of the real-time position of the threat object overlay on the real-time image of the scan volume, wherein the real-time overlay indicative of the real-time position of the threat object is overlaid on the real-time image produced by the video camera using the real-time signals from the threat object position calculator to position the overlay on the real-time image.

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