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@inproceedings{837707,
author = {Flasar, Jan and Kovalčík, Vít and Sochor, Jiří},
address = {TU Braunschweig, Germany},
booktitle = {Theory and Practice of Computer Graphics 2009},
keywords = {haptics; multi-contact; precise; real-time; contact},
language = {eng},
location = {TU Braunschweig, Germany},
isbn = {978-3-905673-71-5},
pages = {1-8},
publisher = {Eurographics Association},
title = {An Improved Precise Multi-contact Haptic Visualization},
year = {2009}
}
TY - JOUR
ID - 837707
AU - Flasar, Jan - Kovalčík, Vít - Sochor, Jiří
PY - 2009
TI - An Improved Precise Multi-contact Haptic Visualization
PB - Eurographics Association
CY - TU Braunschweig, Germany
SN - 9783905673715
KW - haptics
KW - multi-contact
KW - precise
KW - real-time
KW - contact
N2 - We present an improved multi-contact haptic visualization method based on the Spatialized Normal Cone Hierarchies (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.
ER -
FLASAR, Jan, Vít KOVALČÍK and Jiří SOCHOR. An Improved Precise Multi-contact Haptic Visualization. In \textit{Theory and Practice of Computer Graphics 2009}. TU Braunschweig, Germany: Eurographics Association, 2009, p.~1-8. ISBN~978-3-905673-71-5.
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