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Proceedings Paper

Simulation of elastic tissues in virtual medicine using neuro-fuzzy systems
Author(s): Arne Radetzky; Andreas Nuernberger; Dietrich Peter Pretschner
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Paper Abstract

To improve the benefit of surgical simulators for education and research a visual convincing modeling of the operation scenario and the involved tissues is not sufficient. It is also necessary to simulate the deformation and resulting inner forces of tissue under influence of external forces caused by, for example, medical instruments or gravity. In this paper, we present a hybrid neuro-fuzzy system, which was designed for the description and simulation of tissues. The neuro-fuzzy system can be used to simulate the physical behavior like stiffness, viscosity and inertia of deformable or elastic tissues in surgical simulation. The parameters of a physical model or prior expert knowledge in the form of linguistic terms can be used to initialize the network parameters. Using a neural network structure, local changes to the system like cuts or ruptures can be performed during simulation. As an application example, some simulation results in the area of gynecological laparoscopy are given.

Paper Details

Date Published: 26 June 1998
PDF: 11 pages
Proc. SPIE 3335, Medical Imaging 1998: Image Display, (26 June 1998); doi: 10.1117/12.312516
Show Author Affiliations
Arne Radetzky, Technical Univ. of Braunschweig (Germany)
Andreas Nuernberger, Univ. of Magdeburg (Germany)
Dietrich Peter Pretschner, Technical Univ. of Braunschweig (Germany)

Published in SPIE Proceedings Vol. 3335:
Medical Imaging 1998: Image Display
Yongmin Kim; Seong Ki Mun, Editor(s)

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