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Lab Seminar Video Presence System with One VS Multi Supported

Explore the development of a Video Presence System focusing on immersive collaboration and multi-view environment interaction. Discover the concept of presence and its impact on user experience. Analyze related work such as Cisco Telepresence and HP "hallo." Dive into the proposed approach utilizing VLC library, IEEE 1394 network acquisition, and MPEG2 transmission for enhanced performance. Discuss current challenges including low frame rates and future work for improvement.

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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 Koh Choi 31, January, 2008

  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 bas • 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 • Using by VLC and SVC • 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 • Using Two machine or more… • Eliminating delays • Study vlc system and mpeg2 transmission system • Source coding analisis of VLC • Find synchronization method

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

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

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