42 research outputs found

    Message from program chairs: LightSec 2011

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    Error resilience analysis of wireless image transmission using JPEG, JPEG 2000 and JPWL

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    The wireless extension of the JPEG 2000 standard formally known as JPWL is the newest international standard for still image compression. Different from all previous standards, this new standard was created specifically for wireless imaging applications. This paper examines the error resilience performance of the JPEG, JPEG 2000 and JPWL standards in combating multi-path and fading impairments in Rayleigh fading channels. Comprehensive objective and subjective results are presented in relation to the error resilience performance of these three standards under various conditions. The major findings in this paper reveal that a CRC approach is not a viable option for protecting wireless image data when not used in conjunction with an efficient retransmission strategy. In addition, the Reed-Solomon error correction codes in JPWL provide strong protection for wireless image transmission. However, any stronger protection beyond RS(64,32) yields diminishing returns

    Seeing Strange Things: Fantastical Visual Portrayals of the Caribbean

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    Message from Program Chairs

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    Message from Program Chairs

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    No abstract availabl

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