Topics: Telepresence, Videotelephony, Cisco Systems Pages: 16 (4145 words) Published: January 3, 2013
1. Introduction
2. History
3. Implementation
1. Vision
2. Sound
3. Audio/Visual Technology
4. Network
5. Hardware optimized Environment
6. Software Applications
4. Manipulation
1. Teleoperation
5. Applications
1. Teleconferencing
2. Connecting communities
3. Subsea Network
4. Hazardous Environments
5. Pipeline inspection
6. Remote Surgery
7. Education
8. Entertainment
9. Telepresence Art
10. Telepresence and AI
6. Comparison with Virtual Reality
7. Comparison with video conferencing
1. Issues in video Conferencing
2. Benefits of Telepresence
8. Commercial Telepresence Systems
9. Conclusion
10. References
Telepresence refers to a set of technologies which allow a person to feel as if they were present, to give the appearance that they were present, or to have an effect, at a location other than their true location.Telepresence requires that the senses of the user, or users, are provided with such stimuli as to give the feeling of being in that other location. Additionally, the user(s) may be given the ability to affect the remote location. In this case, the user's position, movements, actions, voice, etc. may be sensed, transmitted and duplicated in the remote location to bring about this effect. Therefore information may be travelling in both directions between the user and the remote location. TelePresence is a new technology that creates unique, "in-person" experiences between people, places, and events in their work and personal lives. It combines innovative video, audio, and interactive elements (both hardware and software) to create this experience over the network. Telepresence means "feeling like you are somewhere else". Some people have a very technical interpretation of this, where they insist that you must have head-mounted displays in order to have telepresence. Other people have a task-specific meaning, where "presence" requires feeling that you are emotionally and socially connected with the remote world. It's all a little vague at this time. Telepresence is a matter of degree. Rarely will a telepresence system provide such comprehensive and convincing stimuli that the user perceives no differences from actual presence. But the user may set aside such differences, depending on the application. Watching television, for example, although it stimulates our primary senses of vision and hearing, rarely gives the impression that the watcher is no longer at home. However, television sometimes engages the senses sufficiently to trigger emotional responses from viewers somewhat like those experienced by people who directly witness or experience events. Televised depictions of sports events or disasters such as the infamous September 11 terrorist attacks can elicit strong emotions from viewers. As the screen size increases, so does the sense of immersion, as well as the range of subjective mental experiences available to viewers. Some viewers have reported a sensation of genuine vertigo or motion sickness while watching IMAX movies of flying or outdoor sequences. Even the fairly simple telephone achieves a limited form of telepresence, in that users consider themselves to be talking to each other on the telephone rather than talking to the telephone itself. To an observer with no knowledge of telephones, watching a person chatting to an inanimate object might seem curious, but the...
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