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3D Slicer Users Group Meeting

3D Slicer Users Group Meeting. Nadya Shusharina Department of Radiation Oncology Massachusetts General Hospital. AAPM/COMP Vancouver, August 2, 2011. Interactive deformable registration with landmarks. Radial Basis Functions TPS (global support) Wendland (local support)

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3D Slicer Users Group Meeting

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  1. 3D Slicer Users Group Meeting Nadya Shusharina Department of Radiation Oncology Massachusetts General Hospital AAPM/COMP Vancouver, August 2, 2011

  2. Interactive deformable registration with landmarks Radial Basis Functions • TPS (global support) • Wendland (local support) • Gaussian (global support with variable kernel width, allowed for local regularization)

  3. Areas of application • local details of the image, primarily the details of low contrast • anatomic changes • tumor shrinking • weight loss • gross body movement • breathing • position variation • substantial volume change • full vs empty bladder or rectum

  4. Misalignment caused by anatomic changes

  5. Misalignment caused by position variation

  6. Misalignment caused by position variation

  7. Misalignment caused by the rectum enlargement

  8. To learn more http://www.slicer.org/slicerWiki/index.php/Modules:PlastimatchLANDWARP

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