Haptic Force Shading Parameter Effects on Path Tracing Accuracy

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2006 International Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems (HAPTICS'06)

Alexandria, Virginia

March 25-March 29

ISBN: 1-4244-0226-3

	ASCII Text	x
	Youngung Shon, Sara McMains, "Haptic Force Shading Parameter Effects on Path Tracing Accuracy," Haptic Interfaces for Virtual Environment and Teleoperator Systems, International Symposium on, pp. 78, 2006 International Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems (HAPTICS'06), 2006.

	BibTex	x
	@article{ 10.1109/HAPTICS.2006.164, author = {Youngung Shon and Sara McMains}, title = {Haptic Force Shading Parameter Effects on Path Tracing Accuracy}, journal ={Haptic Interfaces for Virtual Environment and Teleoperator Systems, International Symposium on}, volume = {0}, year = {2006}, isbn = {1-4244-0226-3}, pages = {78}, doi = {http://doi.ieeecomputersociety.org/10.1109/HAPTICS.2006.164}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Haptic Interfaces for Virtual Environment and Teleoperator Systems, International Symposium on TI - Haptic Force Shading Parameter Effects on Path Tracing Accuracy SN - 1-4244-0226-3 SP EP A1 - Youngung Shon, A1 - Sara McMains, PY - 2006 KW - haptics KW - surface stiffness KW - force shading VL - 0 JA - Haptic Interfaces for Virtual Environment and Teleoperator Systems, International Symposium on ER -

Youngung Shon, University of California at Berkeley

Sara McMains, University of California at Berkeley

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/HAPTICS.2006.164

3D haptic drawing and painting require accurate interfaces for surface interaction. This study investigates the potential of varying stiffness and normal interpolation distance to improve the accuracy of surface path tracing performance on faceted meshes rendered with haptic force shading. For single point haptic feedback simulated with a sensable PHANToM arm, a formula for the just noticeable difference (JND) of stiffness was also derived. Higher stiffnesses reduced drawing errors up to a point, with an insignificant fall-off above an intermediate stiffness value of .55N/mm. The normal interpolation distance did not affect errors. Better surface path tracing accuracy was achieved by users who exerted lower forces, revealing the role of shortcomings in the surface contact point calculation method used by the General Haptic Open Software Toolkit (GHOST).

Index Terms:

haptics, surface stiffness, force shading

Citation:

Youngung Shon, Sara McMains, "Haptic Force Shading Parameter Effects on Path Tracing Accuracy," haptics, pp.78, 2006 International Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems (HAPTICS'06), 2006

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