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Method for retargeting images

  • US 7,477,800 B2
  • Filed: 07/10/2008
  • Issued: 01/13/2009
  • Est. Priority Date: 03/06/2007
  • Status: Active Grant
First Claim
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1. A computer-implemented method for content-aware image retargeting of a source image having pixels, comprising:

  • using an apparatus to perform the method comprising the steps of;

    generating an energy image from the source image, in which each pixel in the energy image is assigned energy of the corresponding pixel in the source image according to an energy function;

    determining, from the energy image, a seam of pixels in the energy image that has a minimal energy according to a minimizing function, in which the minimal energy seam is one pixel wide and extends from one side of the energy image to an opposite side of the energy image;

    applying the minimal energy seam to the source image to obtain a target image that preserves a rectangular shape of the source image; and

    wherein the energy function determines a gradient magnitude for each pixel in the source image and assigns the gradient magnitude as the energy of the corresponding pixel in the energy image.

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