Enhancing realism of wet surfaces in temporal bone surgical simulation.
Identifieur interne : 002397 ( PubMed/Checkpoint ); précédent : 002396; suivant : 002398Enhancing realism of wet surfaces in temporal bone surgical simulation.
Auteurs : Thomas Kerwin [États-Unis] ; Han-Wei Shen ; Don StredneySource :
- IEEE transactions on visualization and computer graphics [ 1077-2626 ]
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.
DOI: 10.1109/TVCG.2009.31
PubMed: 19590102
Affiliations:
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pubmed:19590102Le document en format XML
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<author><name sortKey="Kerwin, Thomas" sort="Kerwin, Thomas" uniqKey="Kerwin T" first="Thomas" last="Kerwin">Thomas Kerwin</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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<term>Hemorheology</term>
<term>Humans</term>
<term>Image Processing, Computer-Assisted (methods)</term>
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<term>Mastoid (surgery)</term>
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<front><div type="abstract" xml:lang="en">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.</div>
</front>
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<Abstract><AbstractText>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.</AbstractText>
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<CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Technol Health Care. 2004;12(1):25-31</RefSource>
<PMID Version="1">15096684</PMID>
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<CommentsCorrections RefType="Cites"><RefSource>Stud Health Technol Inform. 1998;50:20-6</RefSource>
<PMID Version="1">10180540</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>Med Image Anal. 2005 Jun;9(3):255-66</RefSource>
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<CommentsCorrections RefType="Cites"><RefSource>Phys Med Biol. 2003 May 7;48(9):1205-21</RefSource>
<PMID Version="1">12765332</PMID>
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<CommentsCorrections RefType="Cites"><RefSource>IEEE Comput Graph Appl. 2006 Nov-Dec;26(6):48-57</RefSource>
<PMID Version="1">17120913</PMID>
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<CommentsCorrections RefType="Cites"><RefSource>Laryngoscope. 2007 Feb;117(2):258-63</RefSource>
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<CommentsCorrections RefType="Cites"><RefSource>Med Image Comput Comput Assist Interv. 2005;8(Pt 1):868-75</RefSource>
<PMID Version="1">16685928</PMID>
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