2014
DOI: 10.1117/12.2043474
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Deformable registration for image-guided spine surgery: preserving rigid body vertebral morphology in free-form transformations

Abstract: Purpose: Deformable registration of preoperative and intraoperative images facilitates accurate localization of target and critical anatomy in image-guided spine surgery. However, conventional deformable registration fails to preserve the morphology of rigid bone anatomy and can impart distortions that confound high-precision intervention. We propose a constrained registration method that preserves rigid morphology while allowing deformation of surrounding soft tissues. Method: The registration method aligns p… Show more

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