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PERSPECTIVE CORRECTION USING A REFLECTION

  • US 20130137482A1
  • Filed: 11/30/2011
  • Published: 05/30/2013
  • Est. Priority Date: 11/30/2011
  • Status: Active Grant
First Claim
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1. A method for performing perspective correction, comprising:

  • receiving image data corresponding to a picture captured by a picture-taking device, the picture having a reflection spot caused by reflection of light sourced by the picture-taking device off a surface;

    calculating a position of the reflection spot within the picture from the image data; and

    determining a rotation of the picture-taking device relative to the surface using the calculated position, the rotation being used for performing the perspective correction.

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