Article

Accurate on-line avatar control with collision anticipation

Authors:

Manuel Peinado,

Daniel Raunhardt,

Daniel Thalmann,

Ronan BoulicAuthors Info & Claims

VRST '07: Proceedings of the 2007 ACM symposium on Virtual reality software and technology

Pages 89 - 97

https://doi.org/10.1145/1315184.1315200

Published: 05 November 2007 Publication History

Abstract

Interactive control of a virtual character through full body movement has a wide range of applications. However, there is a need for systems that accurately reproduce the motion of a performer while accounting for surrounding obstacles. We propose an approach based on a Prioritized Inverse Kinematics constraint solver. Several markers are placed on the user's body. A set of kinematic constraints make the virtual character track these markers. At the same time, we monitor the instantaneous displacements of a set of geometric primitives, called observers, attached to different parts of the virtual character. When an observer enters the influence area of an obstacle, its motion is damped by means of automatically created preventive constraints. The IK solver satisfies both maker and preventive constraints simultaneously, yielding postures of the virtual character that remain close to those of the user, while avoiding collisions with the virtual environment. Our performance measurements show the maturity of the IK technology for real-time full-body interactions.

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Cited By

Kim JSeol YKim HKwon T(2020)Interactive character posing with efficient collision handlingComputer Animation and Virtual Worlds10.1002/cav.192331:3Online publication date: 4-Mar-2020
https://doi.org/10.1002/cav.1923
Vaillant JBouyarmane KKheddar A(2018)Multi-Character Physical and Behavioral Interactions ControllerIEEE Transactions on Visualization and Computer Graphics10.1109/TVCG.2016.254206723:6(1650-1662)Online publication date: 28-Dec-2018
https://dl.acm.org/doi/10.1109/TVCG.2016.2542067
Magnenat-Thalmann N(2010)Character Based AdaptationModeling and Simulating Bodies and Garments10.1007/978-1-84996-263-6_2(31-70)Online publication date: 3-Jun-2010
https://doi.org/10.1007/978-1-84996-263-6_2
Show More Cited By

Index Terms

Accurate on-line avatar control with collision anticipation
1. Computing methodologies
  1. Computer graphics
    1. Graphics systems and interfaces
      1. Virtual reality
2. Human-centered computing
  1. Human computer interaction (HCI)
    1. Interaction devices
      1. Graphics input devices

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Published In

cover image ACM Conferences

VRST '07: Proceedings of the 2007 ACM symposium on Virtual reality software and technology

November 2007

259 pages

ISBN:9781595938633

DOI:10.1145/1315184

Conference Chairs:
Aditi Majumder
UC Irvine
,
Larry Hodges
UNC - Charlotte
,
Daniel Cohen-Or
Tel Aviv University
,
Editor:
Stephen N. Spencer
University of Washington

Copyright © 2007 ACM.

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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New York, NY, United States

Publication History

Published: 05 November 2007

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VRST07

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VRST07: The ACM Symposium on Virtual Reality Software and Technology

November 5 - 7, 2007

California, Newport Beach

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Overall Acceptance Rate 66 of 254 submissions, 26%

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Cited By

Kim JSeol YKim HKwon T(2020)Interactive character posing with efficient collision handlingComputer Animation and Virtual Worlds10.1002/cav.192331:3Online publication date: 4-Mar-2020
https://doi.org/10.1002/cav.1923
Vaillant JBouyarmane KKheddar A(2018)Multi-Character Physical and Behavioral Interactions ControllerIEEE Transactions on Visualization and Computer Graphics10.1109/TVCG.2016.254206723:6(1650-1662)Online publication date: 28-Dec-2018
https://dl.acm.org/doi/10.1109/TVCG.2016.2542067
Magnenat-Thalmann N(2010)Character Based AdaptationModeling and Simulating Bodies and Garments10.1007/978-1-84996-263-6_2(31-70)Online publication date: 3-Jun-2010
https://doi.org/10.1007/978-1-84996-263-6_2
Mansard NRemazeilles AChaumette F(2009)Continuity of Varying-Feature-Set Control LawsIEEE Transactions on Automatic Control10.1109/TAC.2009.203120254:11(2493-2505)Online publication date: Nov-2009
https://doi.org/10.1109/TAC.2009.2031202
Peinado MMeziat DMaupu DRaunhardt DThalmann DBoulic R(2009)Full-Body Avatar Control with Environment AwarenessIEEE Computer Graphics and Applications10.1109/MCG.2009.4229:3(62-75)Online publication date: May-2009
https://doi.org/10.1109/MCG.2009.42
Grillon HThalmann D(2009)Simulating gaze attention behaviors for crowdsComputer Animation and Virtual Worlds10.1002/cav.29320:2-3(111-119)Online publication date: 13-May-2009
https://doi.org/10.1002/cav.293
Peternier AVexo FThalmann D(2008)The mental vision framework - a platform for teaching, practicing and researching with computer graphics and virtual realityTransactions on edutainment I10.5555/1809375.1809396(242-260)Online publication date: 1-Jan-2008
https://dl.acm.org/doi/10.5555/1809375.1809396
Peternier AVexo FThalmann D(2008)The Mental Vision Framework - A Platform for Teaching, Practicing and Researching with Computer Graphics and Virtual RealityTransactions on Edutainment I10.1007/978-3-540-69744-2_19(242-260)Online publication date: 2008
https://doi.org/10.1007/978-3-540-69744-2_19
Lyard EMagnenat‐Thalmann N(2008)Motion adaptation based on character shapeComputer Animation and Virtual Worlds10.1002/cav.23319:3-4(189-198)Online publication date: 25-Jul-2008
https://doi.org/10.1002/cav.233

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