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    New spectral image compression method based on an optimal phase coding and the RMS duration principle

    Access Status
    Fulltext not available
    Authors
    Alfalou, A.
    Elbouz, M.
    Mansour, Ali
    Keryer, G.
    Date
    2010
    Type
    Journal Article
    
    Metadata
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    Citation
    Alfalou, A. and Elbouz, M. and Mansour, A. and Keryer, G. 2010. New spectral image compression method based on an optimal phase coding and the RMS duration principle. Journal of Optics A: Pure and Applied Optics. 12 (11): pp. 1-12.
    Source Title
    Journal of Optics A: Pure and Applied Optics
    DOI
    10.1088/2040-8978/12/11/115403
    ISSN
    0963-9659
    School
    Department of Electrical and Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/31908
    Collection
    • Curtin Research Publications
    Abstract

    By using only phase information, this paper describes a new spectral lossy compression method which can: reduce required memories; adaptively retrieve original images by using only spectral phase information; increase the peak-to-correlation energy (PCE) at the output of the correlator; and be easily employed in major encryption techniques. To increase the compression ratio of the proposed method, an optimal phase coding based on 'a fading grid' is performed. In fact, a variable number of quantization bits has been used to quantize phase information depending on the importance of the spectral phases. The phase information could be classified according to the concept of 'RMS duration'. Many simulations have been carried out. Our experimental results corroborate the performance of the proposed new method.

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