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STEREO VISION APPARATUS AND METHOD

  • US 20130266211A1
  • Filed: 04/05/2013
  • Published: 10/10/2013
  • Est. Priority Date: 04/06/2012
  • Status: Active Grant
First Claim
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1. A method for efficiently extracting depth information from a stereo image, the method comprising a plurality of operations including:

  • providing a stereo image comprising a left and a right image of a scene;

    filtering a row or column in the left and right images to provide a left and a right intensity profile for the row or column, the row or column corresponding to a first image dimension;

    identifying peaks in the left and right intensity profiles to provide identified left peaks and identified right peaks;

    pairing left and right peaks that are within a maximum disparity distance to provide peak pairs;

    determining a shape interval for each peak pair;

    selecting a peak pair with a maximum shape interval for each left peak or each right peak to provide selected peak pairs;

    determining a disparity offset for the selected peak pairs.

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