How to achieve fast, accurate, and robust rigid registration between fluoroscopic X-ray and CT images

L. Joskowicz*, D. Knaan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

This paper presents algorithmic refinements to our method for rigid registration between preoperative CT and intraoperative X-rays and studies the influence of various setups and factors on the methods' performance. Experimental results on five different anatomical structures show that the new three-phase algorithm achieves a mean accuracy of 0.7 mm (max=1.1 mm) 95% of the time with an initial pose offset of up to 60 mm in 80 s average with three X-ray images and CT slice spacing of 2.4 mm and handles image clutter well.

Original languageAmerican English
Pages (from-to)147-152
Number of pages6
JournalInternational Congress Series
Volume1268
Issue numberC
DOIs
StatePublished - 1 Jun 2004

Keywords

  • Intensity-based registration
  • Rigid registration
  • X-ray to CT registration

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