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National Tele-Immersion Initiative:

National Tele-Immersion Initiative:. Towards Compelling Tele-Immersive Collaborative Environments. Amela Sadagic, PhD amela@advanced.org. 1. 2. 3. 4. co-authors:. 3. 1. Herman Towles , Jaron Lanier , Henry Fuchs , Andries van Dam ,

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National Tele-Immersion Initiative:

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  1. National Tele-Immersion Initiative: Towards Compelling Tele-Immersive Collaborative Environments Amela Sadagic, PhD amela@advanced.org

  2. 1 2 3 4 co-authors: 3 1 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) 3 2 4 4 2 2

  3. Sponsors: Advanced Network and Services National Science Foundation Partner Schools: Brown University, Providence University of North Carolina, Chapel Hill University of Pennsylvania, Philadelphia NTII: a research consortium

  4. … a journey to the near future

  5. …a glimpse of one possible destination, as seen by an artist in 1997

  6. preoperative planning • tele-diagnostics Medical applications: • tele-assisted surgery • advanced surgical training Other: • tele-meetings • tele-collaborative design • computer supported training and education • 3D interactive video • entertainment

  7. …May 2000, before submission of this presentation :

  8. …soon after, in October 2000 :

  9. 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) Hardware and software technologies needed:

  10. 3 site tele-immersion

  11. 3 site tele-immersion OC3 = 155 Mbit/s OC12 = 622 Mbit/s UNC (OC12) Upenn (OC3) Advanced (OC3)

  12. 1-3 frames/s 15 - 25 Mbit/s PC1 PC5 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

  13. 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 Equipment: System characteristics: • acquisition frame rate: 1-3 frames/sec • display / rendering rate: 20-25 frames/sec • data rate: 15-25 Mbit/sec

  14. Future

  15. Future Now

  16. One part of NTII team

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

  18. Q & A

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