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231223s2004 xx ||||| 00| ||eng c |
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|a eng
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| 100 |
1 |
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|a Raghupathi, Laks
|e verfasserin
|4 aut
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| 245 |
1 |
3 |
|a An intestinal surgery simulator
|b real-time collision processing and visualization
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| 264 |
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1 |
|c 2004
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 06.12.2004
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| 500 |
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|a Date Revised 15.11.2006
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| 500 |
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|a published: Print
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| 500 |
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|a Citation Status MEDLINE
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| 520 |
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|a This research work is aimed toward the development of a VR-based trainer for colon cancer removal. It enables the surgeons to interactively view and manipulate the concerned virtual organs as during a real surgery. First, we present a method for animating the small intestine and the mesentery (the tissue that connects it to the main vessels) in real-time, thus enabling user interaction through virtual surgical tools during the simulation. We present a stochastic approach for fast collision detection in highly deformable, self-colliding objects. A simple and efficient response to collisions is also introduced in order to reduce the overall animation complexity. Second, we describe a new method based on generalized cylinders for fast rendering of the intestine. An efficient curvature detection method, along with an adaptive sampling algorithm, is presented. This approach, while providing improved tessellation without the classical self-intersection problem, also allows for high-performance rendering thanks to the new 3D skinning feature available in recent GPUs. The rendering algorithm is also designed to ensure a guaranteed frame rate. Finally, we present the quantitative results of the simulations and describe the qualitative feedback obtained from the surgeons
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| 650 |
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|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 700 |
1 |
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|a Grisoni, Laurent
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Faure, François
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Marchal, Damien
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cani, Marie-Paule
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chaillou, Christophe
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t IEEE transactions on visualization and computer graphics
|d 1998
|g 10(2004), 6 vom: 15. Nov., Seite 708-18
|w (DE-627)NLM098269445
|x 1077-2626
|7 nnns
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| 773 |
1 |
8 |
|g volume:10
|g year:2004
|g number:6
|g day:15
|g month:11
|g pages:708-18
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