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SYSTEM AND METHOD FOR DIMENSIONING OBJECTS USING STEREOSCOPIC IMAGING

  • US 20110188741A1
  • Filed: 04/08/2011
  • Published: 08/04/2011
  • Est. Priority Date: 05/13/2009
  • Status: Active Grant
First Claim
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1. A method to determine a fiducial image shift used to correct for spatial drift in the geometry of an image acquisition and processing configuration for estimating the dimensions of a cuboid structure, said method comprising:

  • acquiring a primary image of a fiducial marker positioned within a field-of-view of the configuration at a first known position in space, whereby said acquiring of said primary image is accomplished from a primary acquisition position which is at a second known position in space;

    acquiring a secondary image of said fiducial marker, whereby said acquiring of said secondary image is accomplished from a secondary acquisition position which is spatially offset from said primary acquisition position by a defined offset distance and direction; and

    comparing an imaged representation of said fiducial marker associated with said primary image to an imaged representation of said fiducial marker associated with said secondary image to determine a fiducial image shift of the fiducial marker between the images at least along a direction between the acquisition positions.

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