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Fully automatic detection of corresponding anatomical landmarks in volume scans of different respiratory state.

Authors
  • Berlinger, Kajetan
  • Roth, Michael
  • Sauer, Otto
  • Vences, Lucia
  • Schweikard, Achim
Type
Published Article
Journal
Medical Physics
Publisher
Wiley (John Wiley & Sons)
Publication Date
Jun 01, 2006
Volume
33
Issue
6
Pages
1569–1572
Identifiers
PMID: 16872064
Source
Medline
License
Unknown

Abstract

A method is described which provides fully automatic detection of corresponding anatomical landmarks in volume scans taken at different respiratory states. The resulting control points are needed for creating a volumetric deformation model for motion compensation in radiotherapy. Prior to treatment two CT volumes are taken, one scan during inhalation, one during exhalation. These scans and the detected control point pairs are taken as input for creating the four-dimensional model by using thin-plate splines.

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