We examine how image coding schemes can be designed for noisy channels such as radio links, cordless telephones or mobile communications. We start with a JPEG based scheme and discuss its performance over channels with random and burst errors. We propose a number of modifications to the JPEG scheme including: avoiding DPCM coding of the DC coefficients; using a highly protected short header, the error resilient entropy code (EREC), error concealment and a wavelet transform. We show that these methods can improve the error resilience, without any significant increase of bit rate or loss of error free picture quality.<>


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    Title :

    Still image coding for noisy channels


    Contributors:


    Publication date :

    1994-01-01


    Size :

    477007 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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