A novel decoder-downloadable system for content-oriented coding

Naoto Shimizu, Toshinori Miyazawa, Wataru Kameyama, Hiroshi Watanabe, Hideyoshi Tominaga

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    In this paper, a new system architecture called decoder-downloadable system is described. The purpose of this system is to provide a uniform platform for the multimedia world based on image compressions using characteristics of the contents. This system enables dynamic decoder downloading by negotiation between servers and clients for seamless and minimum delay playback. This negotiation scheme is implemented by Java and CORBA (Common Object Request Broker). Thus, servers and clients in this system are independent from OSes and hardware specifications. This system is suitable for TV broadcasting as well as Internet streaming. We improve a decoder architecture in order to make the system more flexible. A decoder has some functions such as bitstream parsing, image compression algorithms (DCT, Wavelet, Motion estimation and so on). However, conventional decoders are monolithic software. Thus, it is impossible to share parts of decoders. The proposed method enables a module-based decoder and sharing some modules among some decoders. Consequently, the flexible decoder can make downloading time shorter by avoidance to download redundant parts of decoders. It also achieves scalability enabling this system to be used in some multimedia applications, such as a multimedia content search system, as well as a multimedia player.

    Original languageEnglish
    Title of host publicationConference Record / IEEE Global Telecommunications Conference
    Pages1638-1642
    Number of pages5
    Volume2
    Publication statusPublished - 2002
    EventGLOBECOM'02 - IEEE Global Telecommunications Conference - Taipei
    Duration: 2002 Nov 172002 Nov 21

    Other

    OtherGLOBECOM'02 - IEEE Global Telecommunications Conference
    CityTaipei
    Period02/11/1702/11/21

    Fingerprint

    multimedia
    Image compression
    Servers
    Common object request broker architecture (CORBA)
    Motion estimation
    Broadcasting
    Scalability
    Dynamical systems
    compression
    Internet
    Specifications
    Hardware
    hardware
    wavelet
    software

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Global and Planetary Change

    Cite this

    Shimizu, N., Miyazawa, T., Kameyama, W., Watanabe, H., & Tominaga, H. (2002). A novel decoder-downloadable system for content-oriented coding. In Conference Record / IEEE Global Telecommunications Conference (Vol. 2, pp. 1638-1642)

    A novel decoder-downloadable system for content-oriented coding. / Shimizu, Naoto; Miyazawa, Toshinori; Kameyama, Wataru; Watanabe, Hiroshi; Tominaga, Hideyoshi.

    Conference Record / IEEE Global Telecommunications Conference. Vol. 2 2002. p. 1638-1642.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Shimizu, N, Miyazawa, T, Kameyama, W, Watanabe, H & Tominaga, H 2002, A novel decoder-downloadable system for content-oriented coding. in Conference Record / IEEE Global Telecommunications Conference. vol. 2, pp. 1638-1642, GLOBECOM'02 - IEEE Global Telecommunications Conference, Taipei, 02/11/17.
    Shimizu N, Miyazawa T, Kameyama W, Watanabe H, Tominaga H. A novel decoder-downloadable system for content-oriented coding. In Conference Record / IEEE Global Telecommunications Conference. Vol. 2. 2002. p. 1638-1642
    Shimizu, Naoto ; Miyazawa, Toshinori ; Kameyama, Wataru ; Watanabe, Hiroshi ; Tominaga, Hideyoshi. / A novel decoder-downloadable system for content-oriented coding. Conference Record / IEEE Global Telecommunications Conference. Vol. 2 2002. pp. 1638-1642
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