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Image super enhancement

  • US 9,974,509 B2
  • Filed: 09/08/2011
  • Issued: 05/22/2018
  • Est. Priority Date: 11/18/2008
  • Status: Active Grant
First Claim
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1. A method for imaging a tool inside a portion of a body of a subject that undergoes motion, the tool having contours and the tool having one or more radiopaque markers coupled thereto, the method comprising:

  • acquiring a plurality of image frames of the portion of the subject'"'"'s body, wherein the tool comprises an endoluminal tool such that the plurality of image frames include the endoluminal tool within the portion of the subject'"'"'s body; and

    using at least one computer processor, generating at least one image frame in which the tool is enhanced, by;

    identifying edge lines that correspond to contours of the tool in the image frames;

    in response to identifying the edge lines that correspond to contours of the tool;

    determining similarities between the edge lines within the image frames to one another; and

    selecting a subset of the image frames that are based upon the acquired image frames, at least partially based upon a level of similarity between the edge lines in the selected image frames to one another, the selecting comprising rejecting from being included in the subset, at least one image frame in which edge lines corresponding to the contours of the tool appear, wherein the at least one image frame that is rejected is one of the plurality of image frames including the endoluminal tool within the portion of the subject'"'"'s body;

    aligning the contours in a plurality of the selected image frames, andaveraging the plurality of aligned frames to generate an averaged image frame, such that only image frames belonging to the subset of image frames are included in the averaged image frame; and

    displaying the averaged image frame.

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