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Soft-Body Registration of Pre-operative 3D Models to Intra-operative RGBD Partial Body Scans

  • Richard ModrzejewskiEmail author
  • Toby Collins
  • Adrien Bartoli
  • Alexandre Hostettler
  • Jacques Marescaux
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11073)

Abstract

We present a novel solution to soft-body registration between a pre-operative 3D patient model and an intra-operative surface mesh of the patient lying on the operating table, acquired using an inexpensive and portable depth (RGBD) camera. The solution has several clinical applications, including skin dose mapping in interventional radiology and intra-operative image guidance. We propose to solve this with a robust non-rigid registration algorithm that handles partial surface data, significant posture modification and patient-table collisions. We investigate several unstudied and important aspects of this registration problem. These are the benefits of heterogeneous versus homogeneous biomechanical models and the benefits of modeling patient/table interaction as collision constraints. We also study how abdominal registration accuracy varies as a function of scan length in the caudal-cranial axis.

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Richard Modrzejewski
    • 1
    • 2
    Email author
  • Toby Collins
    • 2
  • Adrien Bartoli
    • 1
  • Alexandre Hostettler
    • 2
  • Jacques Marescaux
    • 2
  1. 1.EnCoV, Institut Pascal, UMR 6602, CNRS/UBP/SIGMAClermont-FerrandFrance
  2. 2.IRCAD and IHU-StrasbourgStrasbourgFrance

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