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Telepresence Quality
Norwegian University of Science and Technology, Faculty of Information Technology, Mathematics and Electrical Engineering, Department of Telematics.
2013 (English)MasteroppgaveStudent thesis
Abstract [en]

One aim of a telepresence system is to make users? collaborations become more natural and gives a more ?accurate? sensation of nearness to the people who are interacting with other people through the system. There are many factors that can directly influence people?s perceptions about telepresence systems. This thesis helps to find out what typical factors are and how they can influence the perceptions of telepresence systems. One of the most important factors that influences the quality a telepresence system is delay. Hence, in order to have a control of the delay, a telepresence experimental model was established, and a serous of tests had been carried out with the model. Based on the measurement results, we can conclude that the optical delay is directly related to the frame rate of the camera and the refreshing rate of the screen. In addition, a lot of stimulus-reaction time measurements had been done. Based on the test results, we got indications that the perception and reaction time is directly involved with age, tiredness, and concentration of the people using the system. The perception and reaction time does not seem to correlate with the education of the people using the system. Finally, in order to find out whether the space perception can influence the perception and reaction time, two stereoscopic system models had been constructed. A lot of pilot tests had been done with the model. According to the measurements, we can conclude that with the same contents and same frame rates of videos, the perception and reaction time with 3D videos seem to be shorter than that with 2D videos.

Place, publisher, year, edition, pages
Institutt for telematikk , 2013. , 113 p.
URN: urn:nbn:no:ntnu:diva-21837Local ID: ntnudaim:8335OAI: diva2:644236
Available from: 2013-08-29 Created: 2013-08-29 Last updated: 2013-08-29Bibliographically approved

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