In this paper, the BYPASS and PARALLEL modes of JPEG2000 are investigated and implemented in a software compression system for verification and validation. BYPASS and PARALLEL modes in JPEG2000 are options in the standard to facilitate fast compression and parallel computation for embed ded applications. Our results show minimal performance degradation in both BYPASS and PARALLEL modes, where BYPASS mode degrades PSNR performance by 0.1 dB, PARALLEL mode degrades performance by 0.15 dB, and utilizing both BYPASS and PAR ALLEL modes results in a performance degradation of 0.25 dB, on average. The implementation of the different modes results in a com pression speedup of approximately 10% in BYPASS mode, and a potential 3x speedup in PARALLEL mode, if independent coding passes are executed concurrently.


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    Titel :

    BYPASS and PARALLEL modes for JPEG2000 compression of natural imagery


    Beteiligte:
    Balster, E J (Autor:in) / Lucking, D L (Autor:in)


    Erscheinungsdatum :

    01.07.2010


    Format / Umfang :

    1496845 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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