A multi-view active contour method for bone cement reconstruction from C-arm X-ray images

Blake C. Lucas, Yoshito Otake, Mehran Armand, Russell H. Taylor

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A novel algorithm is presented to segment and reconstruct injected bone cement from a sparse set of X-Ray images acquired at arbitrary poses. The Sparse X-Ray Multi-view Active Contour (SxMAC - pronounced "smack") can (1) reconstruct objects for which the background partially occludes the object in X-Ray images, (2) use X-Ray images acquired on a non-circular trajectory, and (3) incorporate prior CT information. The algorithm's inputs are pre-processed X-Ray images, their associated pose information, and prior CT, if available. The algorithm initiates automated reconstruction using visual hull computation from a sparse number of x-ray images. It then improves the accuracy of the reconstruction by optimizing a geodesic active contour. A cadaver experiment demonstrates SxMAC's ability to reconstruct high contrast bone cement that has been injected into a femur and achieve sub-millimeter accuracy with 4 images.

Original languageEnglish (US)
Title of host publicationInformation Processing in Computer-Assisted Interventions - Second International Conference, IPCAI 2011, Proceedings
Pages36-46
Number of pages11
DOIs
StatePublished - Jun 30 2011
Event2nd International Conference on Information Processing in Computer-Assisted Interventions, IPCAI 2011 - Berlin, Germany
Duration: Jun 22 2011Jun 22 2011

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume6689 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Other

Other2nd International Conference on Information Processing in Computer-Assisted Interventions, IPCAI 2011
CountryGermany
CityBerlin
Period6/22/116/22/11

Keywords

  • Active Contour
  • Bone Cement
  • Deformable Models
  • Intra-operative Imaging
  • Reconstruction
  • Segmentation

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Computer Science(all)

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