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System and Process for Color-Balancing a Series of Oblique Images

  • US 20090097744A1
  • Filed: 10/12/2007
  • Published: 04/16/2009
  • Est. Priority Date: 10/12/2007
  • Status: Active Grant
First Claim
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1. An automated process for color-balancing a series of oblique images captured from one or more positions and from one or more orientations, comprising the steps of:

  • selecting a series of color-balanced images to use as reference images;

    on an oblique image by image basis performing the following steps;

    locating a portion(s) of a reference image(s) that overlaps the oblique image;

    creating multiple color-balancing transformations that approximately match the color distribution of the oblique image to the color distribution of the overlapping portion(s) of the reference image(s);

    transforming pixels in the oblique image according to more than one of the multiple color-balancing transformations created for the oblique image; and

    storing the transformed pixel value in the oblique image or a copy of the oblique image.

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