National Tele-Immersion Initiative:

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National Tele-Immersion Initiative
Towards Compelling Tele-Immersive
Collaborative Environments

• Amela Sadagic, PhD amela_at_advanced.org

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co-authors
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• Herman Towles , Jaron Lanier ,
• Henry Fuchs , Andries van Dam ,
• Kostas Daniilidis , Jane Mulligan ,
• Loring Holden and Bob Zeleznik
• Advanced Network and Services, Armonk
  (Advanced)
• Brown University, Providence
  (Brown)
• University of North Carolina at Chapel Hill
  (UNC)
• University of Pennsylvania, Philadelphia
  (UPenn)

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• NTII a research consortium

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• a journey to the near future

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• a glimpse of one possible destination,
• as seen by an artist in 1997

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• Medical applications

• preoperative planning

• tele-diagnostics

• tele-assisted surgery

• advanced surgical training

Other

• tele-meetings

• tele-collaborative design

• computer supported training and education

• 3D interactive video

• entertainment

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• May 2000, before submission
• of this presentation

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• soon after, in October 2000

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• Hardware and software
• technologies needed

• 3D real-time system for acquisition of dynamic,
  real objects (Upenn)
• static scene acquisition (UNC)
• rendering and stereo display architecture (UNC)
• high precision headtracking system (UNC)
• modeling and manipulation with virtual objects
  (Brown)
• multi-person interaction and collaborative
  architecture (Brown)

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3 site tele-immersion
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3 site tele-immersion
OC3 155 Mbit/s
OC12 622 Mbit/s
UNC (OC12)
Upenn (OC3)
Advanced (OC3)
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Camera arrangement

• a sea of cameras semicircle of 7 cameras, 3
  cameras per each view, 5 views in total

• C4 data

• C5 data

• C3 data

PC3

• C4 data

• C6 data

PC2
PC4

• C5 data

• C3 data

• C4

• C2 data

• C3

• C5

• C2

• C6

• C1

• C7

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• Equipment

• acquisition 5 Dell Pentium III servers (quads,
  550 MHz)
• 7 digital Sony cameras and 5 firewire interface
  cards
• rendering 2 Dell Pentium III (610, 550 Mhz)
  nVidia cards
• HighBall ceiling headtracker

System characteristics

• acquisition frame rate 1-3 frames/sec
• display / rendering rate 20-25 frames/sec
• data rate 15-25 Mbit/sec

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Future
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(No Transcript)
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• One part of NTII team

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• Acknowledgements

Sponsors Advanced Network and Services
National Science Foundation
Partner Schools Brown University, Providence
University of North Carolina, Chapel Hill
University of Pennsylvania, Philadelphia

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• Q A