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Teleobservation

Teleobservation is a transformative technology in structural engineering, enabling observers to feel present at remote locations through visual information and real-time communication. This approach enhances participation in experimental trials while minimizing travel. Leveraging web-based remote control and sophisticated camera systems, operators can effectively manage procedures and improve communication. This webinar, led by Fernando Medina Reguera, will explore the methodologies, technologies, and applications of teleobservation in earthquake engineering and beyond, paving the way for collaborative research and innovation.

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Teleobservation

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Presentation Transcript

  1. Teleobservation CEE398KUC: Experimental Methods in Structural Engineering Web-Based Remote Control Video Camaras Spring 04 Fernando Medina Reguera

  2. What is Teleobservation? • Receive visual information that makes the observer feel present at a remote location • ENOUGH INFORMATION • NATURAL WAY • Component of the Telepresence

  3. Telepresence • "enables people and objects to feel as if they are actually present in a different place or time." • “capability to participate remotely in experimental trials” • Teleobservation + Teleoperation • Teleoperation: • The operator feels present at the remote site • Interaction • Operator and teleoperator can be the same person!!! (scale)

  4. Collaboratory • Why… • Telepresence? • Need for real time fluid communication (share) • Expand laboratories • Teleobservation? • Procedures control during teleoperation • Improve feeling of participation • Improve communication (video conferencing): remote presence; no more traveling! • Remote Audiences

  5. What do I need? • Camera • Communication Camera, WebCam • Camera Control Software • Remote control of camera functions • Network Server Contract • Encoded Video Storage and Distribution • Web Site!!!

  6. Communication Camera • Fixed Web Cameras • Directly connected to Network • Telerobotic Web Cameras • Serial Connector to Computer (software control and video capture setup) • Canon VC-3 / VC-4

  7. Communication Camera • Software and Infrared Controlled • Two Rotations and Zoom • Auto and Manual Focus • Audio integrated

  8. Network Server and Software • Broadware Technologies • Server Data Storage • Live Video • Video Recording • Software: Java Component • Camera Operation • Zoom and Rotations • Easily Integrated in HTML code • Works in every platform: Mac, Unix-Based, Windows • Video Codecs • Video Quality Setup

  9. Video Codecs • Live Video: • Number of fps (frames per sec) • Quality (size) of each frame • Inmediate Storage and Distribution of encoded frames: video stream • Recorded Video: • Minimize Size for Storage and Reproduction • Remote User CPU: • Great CPU Cost in downloading and playing at the time

  10. Web Environment • Web Site Ellaboration • JAVA component inserted in HTML Code • Server Connection • Camera Functions Controller • Variable number of differents Live Cameras in the same window • Share Spirit: Public Domain

  11. Teleobservation in Structural Engineering • NEESTPM: • Telepresence Observation Mode in Earthquake Engineering Laboratory Environments • UIUC Telepresence Laboratory: • Educational Telepresence Experimentation in Earthquake Engineering

  12. NEES Collaboratory • Nathan M. Newmark Lab Remote Control Camera • NEESTPM: http://cee-zztt.cee.uiuc.edu/ • Collaboratory Window • UIUC, Colorado, UNR, ANL

  13. NEESTPM: Illinois MOST

  14. ANL TPM • http://tpm.amc.anl.gov/TPMLVideo.html

  15. UIUC Telepresence Laboratory • http://tlee.cee.uiuc.edu/dreamer/telepresencelab.htm Location: Smart Structure Technology Laboratory at the UIUC • People: • Prof. B. F. Spencer, Jr., Tomonori Nagayama, Yong Gao

  16. Limitations • No Real Time Camera Control • Video Stream: CPU and Bandwidth requirements • Size: Low Resolution Image (natural way?) • Availability: few cameras, one operator at a time (sufficient?) • Cost!!!

  17. References • Broadware Technologies • NEES: UIUC, CORNELL, ANL • UIUC Telepresence Laboratory • Stanford University • Canon Communication Cameras • Telepresence (BT Labs, 1999)

  18. Acknowledgements • Tomonori Nagayama Graduate Research Assistant Department of Civil & Environmental Eng University of Illinois at U-C

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