NDLI: Constraint-based six degree-of-freedom haptic rendering of volume-embedded isosurfaces

Content Provider	IEEE Xplore Digital Library
Author	Chan, S. Conti, F. Blevins, N.H. Salisbury, K.
Copyright Year	2011
Description	Author affiliation: BioRobotics Laboratory, Suite E100, 318 Campus Dr., Stanford, CA 94305, U.S.A. (Salisbury, K.) \|\| Department of Computer Science, Stanford University, USA (Chan, S.; Conti, F.; Blevins, N.H.)
Abstract	A method for 6-DOF haptic rendering of isosurface geometry embedded within sampled volume data is presented. The algorithm uses a quasi-static formulation of motion constrained by multiple contacts to simulate rigid-body interaction between a haptically controlled virtual tool (proxy), represented as a point-sampled surface, and volumetric isosurfaces. Unmodified volume data, such as computed tomography or magnetic resonance images, can be rendered directly with this approach, making it particularly suitable for applications in medical or surgical simulation. The algorithm was implemented and tested on a variety of volume data sets using several virtual tools with different geometry. As the constraint-based algorithm permits simulation of a massless proxy, no artificial mass or inertia were needed nor observed. The speed and transparency of the algorithm allowed motion to be responsive to extremely stiff contacts with complex virtualized geometry. Despite rendering stiffnesses that approach the physical limits of the interfaces used, the simulation remained stable through haptic interactions that typically present a challenge to other rendering methods, including wedging, prying, and hooking.
Starting Page	89
Ending Page	94
File Size	1442332
Page Count	6
File Format	PDF
ISBN	9781457702990
e-ISBN	9781457702983
e-ISBN	9781457702976
DOI	10.1109/WHC.2011.5945467
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-21
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Geometry Force Interference Rendering (computer graphics) Haptic interfaces Acceleration Isosurfaces
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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