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Lab Seminar Video Presence System with One VS Multi Supported

Lab Seminar Video Presence System with One VS Multi Supported. Jitae Bae 20, February, 2010. Contents. Introduction & Background Related Work Motivation Proposed Approach Conclusion Schedule. Introduction & Background. Video Presence(VP) System Concept of presence

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Lab Seminar Video Presence System with One VS Multi Supported

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  1. Lab SeminarVideo Presence System with One VS Multi Supported Jitae Bae 20, February, 2010

  2. Contents • Introduction & Background • Related Work • Motivation • Proposed Approach • Conclusion • Schedule

  3. Introduction & Background • Video Presence(VP) System • Concept of presence • Psychological sense of "being there" in environment based on technologically founded immersive base • Three types of presence • Personal presence • The extent to which a person feels part of the environment • Social presence • The extent to which others (human and non- human ) exist in the environment • Environmental presence • The extent to which the environment acknowledges and interacts with the participants

  4. Introduction & Background(cont) • Prototype VP system • Video Presence • Provide sense of presence by sharing multiple high-quality media • Objective • Develop a system and software for video presence • Prototype VP system

  5. Related Work • Cisco Telepresence • In-person experiences between individuals, businesses, and events. • People everywhere can work, live, play, and learn together, in person • over the network. • Others • HP “hallo”, Polycom “RPX”, Tandberg “Experia”

  6. Motivation • Many users want to present reality • Immersive Collaboration Meeting • Supporting reality meeting environment • Using concept of presence • World issue and market • Many companys concentrate on this field • Market is a wide scope.

  7. Proposed Approch • Understand library in VLC • Using by library : libraw1394, libiec 61883, mpeg2 dec, dvgrap • libraw 1394 – Ieee 1394 network acquisition in Linux • Libiec 61883 – Channel selection about multiple input stream • Mpeg2 dec – mpeg2 transmission in vlc • Dvgrap – HDV Image capture and play in vlc

  8. Conclusion • Success chapter 1 : VP system • Two Jvc camera transmission in Tiled display • Similar multi view system(parallel) • Using by VLC and SVC software • Problem • Frame rate very low (CPU limit) • A little delay existence but there is no large difference • Future work • Overcome low frame rate • A cause analysis about frame rate • Examine Two machine or more… • Eliminate delays • Study vlc system and mpeg2 transmission system • Source coding analysis of VLC • Find synchronization method

  9. Schedule (1/31) (2/28) (2/28) (2/11) (4/30) (7/31)

  10. End of my lab seminar. Thank youAny question or comment

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