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Haptic Volume Rendering with an Intermediate Local Representation
Körner, Olaf
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Schill, Markus A.
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Wagner, Clemens
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Bender, Hans-Joachim
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Männer, Reinhard
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URL:
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http://citeseerx.ist.psu.edu/viewdoc/download;jses...
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Dokumenttyp:
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Konferenzveröffentlichung
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Erscheinungsjahr:
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1999
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Buchtitel:
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First International Workshop on Haptic Devices in Medical Applications : proceedings; 23rd of June 1999, Paris, France
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Titel einer Zeitschrift oder einer Reihe:
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Proceedings of the 1st International Workshop on Haptic Devices in Medical Applications
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Seitenbereich:
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79-84
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Herausgeber:
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Dillmann, Rüdiger
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Ort der Veröffentlichung:
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Karlsruhe
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Verlag:
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Univ., Institut für Prozeßrechentechnik, Automation und Robotik
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Sprache der Veröffentlichung:
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Englisch
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Einrichtung:
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Fakultät für Wirtschaftsinformatik und Wirtschaftsmathematik > Informatik V (Männer 1992-2008)
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Fachgebiet:
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004 Informatik
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Abstract:
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In medical applications volumetric data sets are widely used. Therefore a strong desire for haptic volume rendering exists in this community. Established force-feedback approaches are limited to surface-based data and cannot satisfy the needs of volume rendering. Particularly in the medical field, where physicians are used to examine objects with their sense of touch, a combination of volume visualization with haptics would be desireable. We present an approach where volumetric data is locally transformed into a surface representation. For our research, we use a PHANToM force-feedback device with the GHOST v2 library. In our approach, the voxel data in a neighborhood of the current interaction point is used to generate isosurfaces through points with similar density values. The isosurfaces are then passed to the GHOST library and used as an intermediate representation between the volumetric data and a surface-based haptic rendering. As the surfaces are generated on the fly and no preprocessing is needed, it is possible to change transfer functions or the volume data itself during the haptic interaction.
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 | Dieser Eintrag ist Teil der Universitätsbibliographie. |
 Suche Autoren in
BASE:
Körner, Olaf
;
Schill, Markus A.
;
Wagner, Clemens
;
Bender, Hans-Joachim
;
Männer, Reinhard
Google Scholar:
Körner, Olaf
;
Schill, Markus A.
;
Wagner, Clemens
;
Bender, Hans-Joachim
;
Männer, Reinhard
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