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SHADOWING PIPE MOSAICING ALGORITHMS WITH APPLICATION TO ESOPHAGEAL ENDOSCOPY

  • US 20080262312A1
  • Filed: 05/17/2007
  • Published: 10/23/2008
  • Est. Priority Date: 04/17/2007
  • Status: Active Grant
First Claim
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1. A method for creating a mosaiced image of an inner surface of a body lumen, comprising the steps of:

  • (a) moving an imaging device through the body lumen;

    (b) capturing a video sequence comprising successive images of the inner surface of the body lumen as the imaging device is moved through the body lumen;

    (c) determining pose parameters defining a position and an orientation for the imaging device, when capturing the video sequence of the inner surface of the body lumen;

    (d) based upon the pose parameters, projecting the successive images onto a model of the inner surface, to form a texture-mapped model; and

    (e) transforming the textured mapped model into the mosaiced image that is on a generally flat surface.

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