Details
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 2012 International Conference on Cyberworlds |
| Subtitle of host publication | Cyberworlds 2012 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 91-98 |
| Number of pages | 8 |
| ISBN (electronic) | 9780769548142 |
| ISBN (print) | 978-1-4673-2736-7 |
| Publication status | Published - 2012 |
| Event | 2012 International Conference on Cyberworlds, Cyberworlds 2012 - Darmstadt, Germany Duration: 25 Sept 2012 → 27 Sept 2012 |
Abstract
Haptic exploration adds an additional dimension to working with 3D data: a sense of touch. This is especially useful in areas such as medical simulation, training and pre-surgical planning, as well as in museum display, sculpting, CAD, military applications, assistive technology for blind and visually impaired, entertainment and others. There exist different surface- and voxel-based haptic rendering methods. Unaddressed practical problems for almost all of them are that no guarantees for collision detection could be given and/or that a special topological structure of objects is required. Here we present a novel and robust approach based on employing the ray casting technique to collision detection, which does not have the aforementioned drawbacks while guaranteeing nearly constant time complexity independent of data resolution. This is especially important for such delicate procedures as pre-operation planning. A collision response in the presented prototype system is rigid and operates on voxel data, and no precalculation is needed. Additionally, our collision response uses an implicit surface representation "on the fly", which can be used with dynamically changing objects.
Keywords
- collision detection, collision resolution, collision response, haptic rendering, haptics, implicit surface, ray casting
ASJC Scopus subject areas
- Computer Science(all)
- Computer Networks and Communications
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Proceedings of the 2012 International Conference on Cyberworlds: Cyberworlds 2012. Institute of Electrical and Electronics Engineers Inc., 2012. p. 91-98 6337405.
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Haptic Rendering of Volume Data with Collision Determination Guarantee Using Ray Casting and Implicit Surface Representation
AU - Vlasov, Roman
AU - Friese, Karl Ingo
AU - Wolter, Franz Erich
PY - 2012
Y1 - 2012
N2 - Haptic exploration adds an additional dimension to working with 3D data: a sense of touch. This is especially useful in areas such as medical simulation, training and pre-surgical planning, as well as in museum display, sculpting, CAD, military applications, assistive technology for blind and visually impaired, entertainment and others. There exist different surface- and voxel-based haptic rendering methods. Unaddressed practical problems for almost all of them are that no guarantees for collision detection could be given and/or that a special topological structure of objects is required. Here we present a novel and robust approach based on employing the ray casting technique to collision detection, which does not have the aforementioned drawbacks while guaranteeing nearly constant time complexity independent of data resolution. This is especially important for such delicate procedures as pre-operation planning. A collision response in the presented prototype system is rigid and operates on voxel data, and no precalculation is needed. Additionally, our collision response uses an implicit surface representation "on the fly", which can be used with dynamically changing objects.
AB - Haptic exploration adds an additional dimension to working with 3D data: a sense of touch. This is especially useful in areas such as medical simulation, training and pre-surgical planning, as well as in museum display, sculpting, CAD, military applications, assistive technology for blind and visually impaired, entertainment and others. There exist different surface- and voxel-based haptic rendering methods. Unaddressed practical problems for almost all of them are that no guarantees for collision detection could be given and/or that a special topological structure of objects is required. Here we present a novel and robust approach based on employing the ray casting technique to collision detection, which does not have the aforementioned drawbacks while guaranteeing nearly constant time complexity independent of data resolution. This is especially important for such delicate procedures as pre-operation planning. A collision response in the presented prototype system is rigid and operates on voxel data, and no precalculation is needed. Additionally, our collision response uses an implicit surface representation "on the fly", which can be used with dynamically changing objects.
KW - collision detection
KW - collision resolution
KW - collision response
KW - haptic rendering
KW - haptics
KW - implicit surface
KW - ray casting
UR - http://www.scopus.com/inward/record.url?scp=84870699390&partnerID=8YFLogxK
U2 - 10.1109/CW.2012.20
DO - 10.1109/CW.2012.20
M3 - Conference contribution
AN - SCOPUS:84870699390
SN - 978-1-4673-2736-7
SP - 91
EP - 98
BT - Proceedings of the 2012 International Conference on Cyberworlds
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2012 International Conference on Cyberworlds, Cyberworlds 2012
Y2 - 25 September 2012 through 27 September 2012
ER -