Enhancing Realism of Wet Surfaces in Temporal Bone Surgical Simulation
Identifieur interne : 004222 ( Main/Curation ); précédent : 004221; suivant : 004223Enhancing Realism of Wet Surfaces in Temporal Bone Surgical Simulation
Auteurs : Thomas Kerwin ; Han-Wei Shen ; Don StredneySource :
- IEEE transactions on visualization and computer graphics [ 1077-2626 ] ; 2009.
English descriptors
- KwdEn :
- MESH :
- anatomy & histology : Mastoid.
- education : General Surgery.
- methods : Computer-Assisted Instruction, Image Processing, Computer-Assisted.
- surgery : Mastoid.
- Algorithms, Computer Graphics, Computer Simulation, Hemorheology, Humans, User-Computer Interface.
Abstract
We present techniques to improve visual realism in an interactive surgical simulation application: a mastoidectomy simulator that offers a training environment for medical residents as a complement to using a cadaver. As well as displaying the mastoid bone through volume rendering, the simulation allows users to experience haptic feedback and appropriate sound cues while controlling a virtual bone drill and suction/irrigation device. The techniques employed to improve realism consist of a fluid simulator and a shading model. The former allows for deformable boundaries based on volumetric bone data, while the latter gives a wet look to the rendered bone to emulate more closely the appearance of the bone in a surgical environment. The fluid rendering includes bleeding effects, meniscus rendering, and refraction. We incorporate a planar computational fluid dynamics simulation into our three-dimensional rendering to effect realistic blood diffusion. Maintaining real-time performance while drilling away bone in the simulation is critical for engagement with the system.
Url:
DOI: 10.1109/TVCG.2009.31
PubMed: 19590102
PubMed Central: 2748262
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PMC:2748262Le document en format XML
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<author><name sortKey="Shen, Han Wei" sort="Shen, Han Wei" uniqKey="Shen H" first="Han-Wei" last="Shen">Han-Wei Shen</name>
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<author><name sortKey="Stredney, Don" sort="Stredney, Don" uniqKey="Stredney D" first="Don" last="Stredney">Don Stredney</name>
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<author><name sortKey="Shen, Han Wei" sort="Shen, Han Wei" uniqKey="Shen H" first="Han-Wei" last="Shen">Han-Wei Shen</name>
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<series><title level="j">IEEE transactions on visualization and computer graphics</title>
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<term>Hemorheology</term>
<term>Humans</term>
<term>Image Processing, Computer-Assisted (methods)</term>
<term>Mastoid (anatomy & histology)</term>
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<term>User-Computer Interface</term>
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<front><div type="abstract" xml:lang="en"><p id="P1">We present techniques to improve visual realism in an interactive surgical simulation application: a mastoidectomy simulator that offers a training environment for medical residents as a complement to using a cadaver. As well as displaying the mastoid bone through volume rendering, the simulation allows users to experience haptic feedback and appropriate sound cues while controlling a virtual bone drill and suction/irrigation device. The techniques employed to improve realism consist of a fluid simulator and a shading model. The former allows for deformable boundaries based on volumetric bone data, while the latter gives a wet look to the rendered bone to emulate more closely the appearance of the bone in a surgical environment. The fluid rendering includes bleeding effects, meniscus rendering, and refraction. We incorporate a planar computational fluid dynamics simulation into our three-dimensional rendering to effect realistic blood diffusion. Maintaining real-time performance while drilling away bone in the simulation is critical for engagement with the system.</p>
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