A low power reconfigurable DCT architecture is proposed, which can be run at three transform precision levels for different demands. Using the character of energy distribution of the DCT matrix after 2D DCT operation, we selected the best DCT bases which achieve considerable power reduction in DCT operation with minimum image quality degradation. The reconfigurable architecture canachieve power saving ranging from 22% to 41% for different precision levels and very useful for image video compression and transmission applications.


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    Title :

    A Reconfigurable DCT Architecture for Multimedia Applications


    Contributors:
    Li, Zhenwei (author) / Peng, Silong (author) / Ma, Hong (author) / Wang, Qiang (author)


    Publication date :

    2008-05-01


    Size :

    403867 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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