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  1. No Access

    Chapter and Conference Paper

    A Session Mobility Scheme for Seamless VOD Service in Ubiquitous Environments

    In ubiquitous environments, a user is free to move one space to another. Thus, VOD applications should be able to provide seamless video delivery to a mobile user. In this paper, we propose a session mobility ...

    Tae Uk Choi, Ki Dong Chung in Embedded and Ubiquitous Computing (2004)

  2. Chapter and Conference Paper

    UVOD: A **i-Based Ubiquitous VOD Service Architecture

    In this paper, we present a ubiquitous VOD service architecture (UVOD) that provides mobile users with a seamless VOD service.

    Tae Uk Choi, Ki-Dong Chung in Euro-Par 2004 Parallel Processing (2004)

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    Chapter and Conference Paper

    Video Coding Using Supplementary Block for Reliable Communication

    In this paper, we propose a video source coding scheme, called Supplementary Block based Encoding, to protect the propagation of the transmission errors over the network. Unlike the conventional source coding ...

    Joo-Kyong Lee, Tae-Uk Choi, Ki-Dong Chung in Advances in Multimedia Information Process… (2002)

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    Chapter and Conference Paper

    An ACK-Based Redundancy Control Algorithm in Periodic FEC

    Error propagation is the main problem in transmitting a real-time interactive video over the Internet. A lot of work and research has been done to solve this problem. Periodic FEC[4], proposed by Choi et al., is ...

    So-Hyun Lee, Myoung-Kyoung Ji, Tae-Uk Choi in Information Networking: Wired Communicatio… (2002)

  5. No Access

    Chapter and Conference Paper

    Robust Video Transmission Using RSE-Code-Based FEC

    The RSE(Reed-Solomon Erasure) code is widely used to prevent packet loss over a lossy network. RSE-code-based FEC does not require additional network delay but needs much additional network bandwidth to transm...

    Tae-Uk Choi, Ki-Dong Chung in Advances in Multimedia Information Processing — PCM 2002 (2002)

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    Chapter and Conference Paper

    An Adaptive Periodic FEC Scheme for Internet Video Applications

    When transmitting packets compressed with a high compression standard such as MPEG or H.261, the loss of single packet has a considerable effect on the following frames because of motion estimation and compens...

    Tae-Uk Choi, Myoung-Kyoung Ji, Seong-Ho Park in Evolutionary Trends of the Internet (2001)