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Method and system for creating a three dimensional representation of an object

  • US 9,204,130 B2
  • Filed: 02/06/2013
  • Issued: 12/01/2015
  • Est. Priority Date: 02/06/2013
  • Status: Active Grant
First Claim
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1. A method comprising:

  • projecting a pattern image on an object by a projector, the pattern image comprising one or more pattern elements;

    capturing an image of the object with the pattern image projected onto the object;

    extracting intensity values corresponding to at least two color components of each pixel of the captured image;

    generating a probability map for each color component using the corresponding extracted intensity values, the probability map for a color component representing a probability that a pixel of the captured image is representing a part of a pattern element;

    determining a joint probability distribution using the probability maps for the color components, the joint probability distribution representing a probability that a pixel of the captured image is representing part of any pattern element;

    locating specific pattern elements in the captured image using the joint probability distribution; and

    determining three dimensional coordinates representing points on surface of the object based, at least in part, on the location of the specific pattern elements.

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