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SYSTEMS, METHODS AND DEVICES FOR FORMING RESPIRATORY-GATED POINT CLOUD FOR FOUR DIMENSIONAL SOFT TISSUE NAVIGATION

  • US 20130223702A1
  • Filed: 02/22/2013
  • Published: 08/29/2013
  • Est. Priority Date: 02/22/2012
  • Status: Active Grant
First Claim
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1. A method of modifying a segmented image dataset for a region of a respiratory system to match the corresponding anatomy of a patient'"'"'s respiratory system, the method comprising:

  • (i) forming a respiratory-gated point cloud of data that demarcates anatomical features in a region of a patient'"'"'s respiratory system at one or more discrete phases within a respiration cycle of the patient,(ii) density filtering the respiratory-gated point cloud,(iii) classifying the density filtered respiratory-gated point cloud according to anatomical points of reference in a segmented image dataset for the region of the patient'"'"'s respiratory system, and(iv) modifying the segmented image dataset to correspond to the classified anatomical points of reference in the density filtered respiratory-gated point cloud.

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