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System and method for robust multi-frame demosaicing and color super resolution

  • US 20060279585A1
  • Filed: 08/17/2006
  • Published: 12/14/2006
  • Est. Priority Date: 12/17/2004
  • Status: Active Grant
First Claim
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1. A method of creating a super-resolved color image from a plurality of lower-resolution color images, the method comprising:

  • a. using a data fidelity penalty term, wherein said data fidelity penalty term is an L1 norm penalty term to enforce similarities between raw data and a high-resolution image estimate;

    b. using a spatial luminance penalty term, wherein said spatial luminance penalty term is a penalty term to encourage sharp edges in a luminance component to said high-resolution image;

    c. using a spatial chrominance penalty term, wherein said spatial chrominance penalty term is a term to encourage smoothness in a chrominance component of said high-resolution image; and

    d. using an inter-color dependencies penalty term, wherein said inter-color dependencies penalty term is a term to encourage homogeneity of an edge location and orientation in different color bands.

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