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Direct Visual and Haptic Volume Rendering of Medical Data Sets for an Immersive Exploration in Virtual Reality

  • Balázs FaludiEmail author
  • Esther I. Zoller
  • Nicolas Gerig
  • Azhar Zam
  • Georg Rauter
  • Philippe C. Cattin
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11768)

Abstract

Visual examination of volumetric medical data sets in virtual reality offers an intuitive and immersive experience. To further increase the realism of virtual environments, haptic feedback can be added. Such systems can help students to gain anatomical knowledge or surgeons to prepare for specific interventions. In this work, we present a method for direct visual and haptic rendering of volumetric medical data sets in virtual reality. This method guarantees a continuous force field and does not rely on any mesh or surface generation. Using a transfer function, we mapped computed tomography voxel intensities to color and opacity values and then visualized the anatomical structures using a direct volume rendering approach. A continuous haptic force field was generated based on a conservative potential field computed from the voxel opacities. In a path following experiment, we showed that the deviation from a reference path on the surface of the rendered anatomical structure decreased with the added haptic feedback. This system demonstrates an immersive exploration of anatomy and is a step towards patient-specific surgical planning and simulation.

Keywords

Haptic rendering CT Human-robot interaction Medical simulation Surgical planning 

Notes

Acknowledgment

This work was financially supported by the Werner Siemens Foundation through the MIRACLE project.

Supplementary material

490279_1_En_4_MOESM1_ESM.pdf (6.4 mb)
Supplementary material 1 (pdf 6548 KB)

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Balázs Faludi
    • 1
    Email author
  • Esther I. Zoller
    • 2
  • Nicolas Gerig
    • 2
  • Azhar Zam
    • 3
  • Georg Rauter
    • 2
  • Philippe C. Cattin
    • 1
  1. 1.CIAN, Department of Biomedical EngineeringUniversity of BaselBaselSwitzerland
  2. 2.BIROMED-Lab, Department of Biomedical EngineeringUniversity of BaselBaselSwitzerland
  3. 3.BLOG, Department of Biomedical EngineeringUniversity of BaselBaselSwitzerland

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