Structure-preserving clone brush

  • US 7,593,022 B2
  • Filed: 12/06/2007
  • Issued: 09/22/2009
  • Est. Priority Date: 04/30/2003
  • Status: Expired due to Fees
First Claim
Patent Images

1. A computer program product for clone-brushing in a 2D image, the computer program product comprising a computer readable medium having computer readable program code stored thereon, the computer readable program code including program code for:

  • a) specifying a first world plane in the 2D image;

    b) providing a source position and a destination position in the 2D image;

    c) identifying a destination region in the 2D image relative to the destination position;

    d) determining a source region in the 2D image corresponding to the destination region in the 2D image including;

    defining a transformation that maps the destination position relative to the first world plane to the source position relative to the first world plane using a homography defined by the first world plane, and identifying pixels in the source region of the 2D image corresponding to pixels in the destination region of the 2D image using the transformation and the homography;

    e) transforming 2D image information of the source region relative to the first world plane to 2D image information of the destination region; and

    f) painting in the 2D image by copying the transformed 2D image information to the destination region.

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