An Improved Precise Multi-contact Haptic Visualization

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dc.contributor.authorFlasar, Janen_US
dc.contributor.authorKovalcík, Víten_US
dc.contributor.authorSochor, Jiríen_US
dc.contributor.editorWen Tang and John Collomosseen_US
dc.date.accessioned2014-01-31T20:06:38Z
dc.date.available2014-01-31T20:06:38Z
dc.date.issued2009en_US
dc.description.abstractWe present an improved multi-contact haptic visualization method based on the Spatialized Normal Cone Hier- archies (SNCH). Though this approach is not entirely new, we have implemented several improvements in order to significantly increase precision and robustness over the previous method. As a consequence we are able to simulate much harder surfaces and give users the chance to feel smaller features on the surface compared to the original approach. This was achieved mostly by using more precise triangle to triangle distance calculations and a different triangle visibility algorithm. As these computations are expensive, we have also developed a new technique to reduce the number of calculations required. Currently, our algorithm is capable of visualizing haptic interactions between two 3D models consisting of tens of thousands of triangles. The simulation is performed in real-time and is seamlessly integrated into a virtual-reality component-based system named VRECKO.en_US
dc.description.seriesinformationTheory and Practice of Computer Graphicsen_US
dc.identifier.isbn978-3-905673-71-5en_US
dc.identifier.urihttps://doi.org/10.2312/LocalChapterEvents/TPCG/TPCG09/001-008en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectCategories and Subject Descriptors (according to ACM CCS): H.5.1 [Information Systems]: Information Interfaces and PresentationHaptic I/O; I.3.7 [Computing Methodologies]: Computer GraphicsThree-Dimensional Graphics and Realismen_US
dc.titleAn Improved Precise Multi-contact Haptic Visualizationen_US
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