Wireless video transmission over a dynamic network requires adaptation to changes in bandwidth, network traffic, and channel characteristics. New computing hardware and algorithms are needed that enable low-power, flexible, adaptive, and robust video communication in hostile environments with no access to an installed communications infrastructure. The coding algorithms we are developing are based on subband decomposition using integer-coefficient filters, and adaptively deliver video at rates between 60 kbits/sec and 600 kbits/sec in accordance with the available bandwidth. Robustness in the variable length coder is obtained by using low-overhead Reed-Solomon block codes, by performing intra-frame coding only, and by using end-of-frame and end-of-subband symbols to maintain both inter- and intra-frame synchronization.<>


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    Titel :

    Adaptive video coding for mobile wireless networks


    Beteiligte:
    Belzer, B. (Autor:in) / Liao, J. (Autor:in) / Villasenor, J.D. (Autor:in)


    Erscheinungsdatum :

    01.01.1994


    Format / Umfang :

    448697 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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