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Grafting the User Interface onto Reality

  • David J. Johnston
  • Adrian F. Clark
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Abstract

One of the most obvious but neglected ways of increasing the intuitive nature of human—computer interfaces is to integrate computer-mediated interaction with real-world activities. The interface no longer exists within a vacuum, and the real world itself provides valuable cues to both the user and computer system.

A combination of virtual objects and the real world within an interactive system (known as Augmented Reality or AR) provides an ideal technological opportunity to exploit such naturalistic mechanisms in novel applications.

At Essex University we have constructed a mobile wearable computer, which, through the use of a semi-immersive VR headset and Global Positioning System (GPS) technology, supports an archaeological reconstruction application.

In conjunction with the Colchester Archaeological Trust, we have developed a VRML model of the Roman buildings which once stood in a site to the south of Colchester that is now known as the Gosbecks Archaeological Park. As the user walks around the park, consistent moving stereoscopic views of virtual ancient buildings are presented in the headset. The experience is one of being present in a past age populated by “in-period” avatars or virtual humans.

A virtual guide leads each user round the site; the tour may be individually customized to the visitor’s capabilities and interests, and supported by other multimedia such as video and spatialized audio.

The technical work is currently in progress. The goal is to build such a system using inexpensive “off-the-shelf” components in order to demonstrate the viability of ubiquitous computing and the synergy between wearable computers and augmented reality.

Keywords

Global Position System Augmented Reality Mobile Station Virtual Object Differential Global Position System 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. [1]
    Ronald T. Azuma, A survey of augmented reality, Presence: Teleoperators and Virtual Environments, 6 (4), 355–385, August 1997.Google Scholar
  2. [2]
    Augmented Reality Review vs. Virtual Reality. http://www.uk.infowin.org/ACTS/ ANALYSYS/CONCERTATION/CHAINS/ si/home/ch-sid/arvvr.html.
  3. [3]
    The Colchester Archaeological Trust, Gosbecks Archaeological Park, The Colchester Archaeologist,1994–1995, Issue 8.Google Scholar
  4. [4]
    Marcus Vitruvius Pollio, De Architectura,first edition, Como, 1521.Google Scholar
  5. [5]
    Roy Want and Andy Hopper, Active badges and personal interactive computing objects, IEEE Transactions of Consumer Electronics, February, 1992.Google Scholar
  6. [6]
    Bluetooth:AGlobalSpecificationforWirelessConnectivity.http://www.bluetooth.corn/.
  7. [7]
    Jun Rekimoto, The magnifying glass approach to augmented reality systems, International Conference on Artificial Reality and Tele-Existence ‘85.Google Scholar
  8. [8]
    David Drascic and Paul Milgram, Perceptual issues in augmented reality, Proc. SPIE, Stereoscopic Displays and Virtual Reality Systems III (eds. Mark T. Bolas, Scott S. Fisher and John O. Merritt), Vol. 2653, pp. 123–134, January-February 1996Google Scholar
  9. [9]
    Naystar GPS Space Segment/Navigation User Interfaces, 2250 E. Imperial Highway, Suite 450, El Segundo, CA 90245–3509. ICD-GPS-200, Revision C, Initial Release, October 1993.Google Scholar
  10. [10]
    Ronald Tadao Azuma, Tracking Requirements for Augmented Reality, Communications of the ACM, 36 (7), 50–51, July 1993.CrossRefGoogle Scholar
  11. [11]
    University of North Carolina, Wide-Area Tracking: Navigation Technology for Head-Mounted Displays,April, 1998. http://www.cs.unc.edu/tracker/.
  12. [12]
    Steven Feiner, Blair MacIntyre, Tobias Hollerer and Anthony Webster, A touring machine: prototyping 3d mobile augmented reality systems for exploring the urban environment, The First International Symposium on Wearable Computers, October 1997, pages 74–81.Google Scholar
  13. [13]
    RTCM Recommended Standards for Differential Naystar GPS Service, 655 Fifteenth Street, NW, Suite 300, Washington, D.C. 20005 USA. Version 2. 1, January 1994.Google Scholar
  14. [14]
    User’s Manual,Allstar P/N 220–600944-00X, 500 Dr Frederik Philips Boulevard, Saint-Laurent, Quebec, Canada HAM 2S9, June 1998, Publication No. 1200-GEN-0101.Google Scholar
  15. [15]
    Sam’s GPS Software Pages. http://callisto.worldonline.nl/-samsvl/software.htm.
  16. [16]
    David Johnston: Personal page. http://vase.essex.ac.uk/projects/gps/djjweb/.
  17. [17]
    C. Clark and A. F. Clark, VRML interfaces to information systems, Proceedings of the International Conference on Virtual Environments on the Internet, WWW and Networks, April 1997.Google Scholar
  18. [18]
    FreeWRLHomePage.http://www.fas.harvard.edu/-lukka/freewrl/.
  19. [19]
    The VRwave Home Page. http://www.iicm.edu/VRwave/.

Copyright information

© Springer-Verlag London 2000

Authors and Affiliations

  • David J. Johnston
  • Adrian F. Clark

There are no affiliations available

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