Article

Viewpoint adaptation during navigation based on stimuli from the virtual environment

Authors:

Anton NijholtAuthors Info & Claims

Web3D '03: Proceedings of the eighth international conference on 3D Web technology

Pages 19 - 26

https://doi.org/10.1145/636593.636597

Published: 09 March 2003 Publication History

Abstract

We consider the possibility of automatically modifying the user's viewpoint orientation for the purpose of enhancing the navigation experience. We concentrate on outdoor virtual environments where the terrain is uneven as well as certain cases of indoor at environment floors, respectively on environments where focus-drawing objects and different types of obstacles exist. Most natural environments present these properties and virtual environments that are based on natural environments are in abundance. The navigational adjustments are introduced as response to environment stimuli such as slope changes, the emergence of visibility rays to focus objects or as navigational difficulty events occur after encounters with nonoversteppable obstacles. A scheme is presented that facilitates the viewpoint orientation feature. Conceptually, the viewpoint orientation is a method of partially and temporarily decoupling the head movements from the navigation direction. Virtual environments in general and their encoding in VRML, X3D, Java3D as well as other scenegraphs are analyzed to reveal bottlenecks in current scenegraphs that make the implementation of such automatic adjustments from difficult to impossible, needing custom navigational code where possible. Different scenarios are presented, where these adjustments can prove useful by speeding up the navigation and providing a higher quality, richer experience. Additional to relevant literature, further experiments are necessary to analyze the effect of automatic view adjustments on the user's immersiveness experience and direction sense (path finding), experiments which could be carried out using custom navigational interfaces incorporating head movement extensions separated from the navigational data, extensions proposed in this paper.

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Cited By

Xu KZhou XLin XShen HDeng K(2019)A Multiresolution Terrain Model for Efficient Visualization Query ProcessingIEEE Transactions on Knowledge and Data Engineering10.1109/TKDE.2006.15118:10(1382-1396)Online publication date: 13-Nov-2019
https://dl.acm.org/doi/10.1109/TKDE.2006.151
Oulasvirta AEstlander SNurminen A(2009)Embodied interaction with a 3D versus 2D mobile mapPersonal and Ubiquitous Computing10.1007/s00779-008-0209-013:4(303-320)Online publication date: 1-May-2009
https://dl.acm.org/doi/10.1007/s00779-008-0209-0
Buchholz HBohnet JDollner J(2005)Smart and Physically-Based Navigation in 3D Geovirtual EnvironmentsProceedings of the Ninth International Conference on Information Visualisation10.1109/IV.2005.117(629-635)Online publication date: 6-Jul-2005
https://dl.acm.org/doi/10.1109/IV.2005.117

Index Terms

Viewpoint adaptation during navigation based on stimuli from the virtual environment
1. Computing methodologies
  1. Artificial intelligence
    1. Computer vision
      1. Computer vision problems
      2. Computer vision tasks
        Scene understanding
  2. 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
    2. Interaction paradigms
      1. Mixed / augmented reality
      2. Virtual reality

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cover image ACM Conferences

Web3D '03: Proceedings of the eighth international conference on 3D Web technology

March 2003

209 pages

ISBN:1581136447

DOI:10.1145/636593

Conference Chair:
Christian Bouville
France Telecom R&D

Copyright © 2003 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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SIGGRAPH: ACM Special Interest Group on Computer Graphics and Interactive Techniques

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 09 March 2003

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Web3D03

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SIGGRAPH

Web3D03: 8th International Conference on 3D Web Technology

March 9 - 12, 2003

Saint Malo, France

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Overall Acceptance Rate 27 of 71 submissions, 38%

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Cited By

Xu KZhou XLin XShen HDeng K(2019)A Multiresolution Terrain Model for Efficient Visualization Query ProcessingIEEE Transactions on Knowledge and Data Engineering10.1109/TKDE.2006.15118:10(1382-1396)Online publication date: 13-Nov-2019
https://dl.acm.org/doi/10.1109/TKDE.2006.151
Oulasvirta AEstlander SNurminen A(2009)Embodied interaction with a 3D versus 2D mobile mapPersonal and Ubiquitous Computing10.1007/s00779-008-0209-013:4(303-320)Online publication date: 1-May-2009
https://dl.acm.org/doi/10.1007/s00779-008-0209-0
Buchholz HBohnet JDollner J(2005)Smart and Physically-Based Navigation in 3D Geovirtual EnvironmentsProceedings of the Ninth International Conference on Information Visualisation10.1109/IV.2005.117(629-635)Online publication date: 6-Jul-2005
https://dl.acm.org/doi/10.1109/IV.2005.117

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