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Method for obtaining a high-resolution digital image

  • US 7,260,277 B2
  • Filed: 04/22/2003
  • Issued: 08/21/2007
  • Est. Priority Date: 04/23/2002
  • Status: Active Grant
First Claim
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1. A method for obtaining a high-resolution digital image from a plurality of starting images formed by pixel matrices acquired at a lower resolution, the method comprising:

  • combining the plurality of starting images to generate a provisional high-resolution image;

    producing from the provisional high-resolution image a plurality of low-resolution images, each low-resolution image corresponding to a respective starting image; and

    processing at least a portion of the provisional high-resolution image by modifying pixels thereof to reduce a difference between the plurality of starting images and the plurality of low-resolution images, the processing comprisingassociating with the pixels of the provisional high-resolution image a respective uncertainty measure representing an uncertainty of the pixels, andleaving unmodified at least a subset of the pixels of the provisional high-resolution image having associated therewith a respective uncertainty measure smaller than a threshold.

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