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Fast Prototyping of Virtual Reality Based Surgical Simulators with PhysX-enabled GPU

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Fast Prototyping of Virtual Reality Based Surgical Simulators with PhysX-enabled GPU

Auteurs : Wai-Man Pang [Japon] ; Jing Qin [Hong Kong] ; Yim-Pan Chui [Hong Kong] ; Pheng-Ann Heng [Hong Kong]

Source :

Lecture Notes in Computer Science [ 0302-9743 ] ; 2010.

RBID : ISTEX:F36C89BB2800E28B3B888360AF6B8DB01D09D05C

Abstract

Abstract: We present our experience in fast prototyping of a series of important but computation-intensive functionalities in surgical simulators based on newly released PhysX-enabled GPU. We focus on soft tissue deformation and bleeding simulation, as they are essential but have previously been difficult to be rapidly prototyped. A multilayered soft tissue deformation model is implemented by extending the hardware-accelerated mass-spring system (MSS) in PhysX engine. To ensure accuracy, we configure spring parameters in an analytic way and integrate a fast volume preservation method to overcome the volume loss problem in MSS. Fast bleeding simulation with consideration of both patient behavior and mechanical dynamics is introduced. By making use of the PhysX built-in SPH-based fluid solver with careful assignment of parameters, realistic yet efficient bleeding effects can be achieved. Experimental results demonstrate that our approaches can achieve both interactive frame rates and convincing visual effects even when complex models are involved.

Url:

https://api.istex.fr/document/F36C89BB2800E28B3B888360AF6B8DB01D09D05C/fulltext/pdf

DOI: 10.1007/978-3-642-14484-4_15

Affiliations:

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Le document en format XML

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Fast Prototyping of Virtual Reality Based Surgical Simulators with PhysX-enabled GPU

Fast Prototyping of Virtual Reality Based Surgical Simulators with PhysX-enabled GPU

Source :

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri