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    ASIA unversity > 資訊學院 > 資訊工程學系 > 會議論文 >  Item 310904400/7390


    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/7390


    Title: Full-Searching-Equivalent Vector Quantization Method Using Orthogonal Projection
    Authors: Chen, C. C.;Chang, C. C
    Date: 2008-12
    Issue Date: 2010-01-29 14:39:10 (UTC+8)
    Publisher: Asia University
    Abstract: The encoding process of vector quantization (VQ) is computational complex and time consuming. Compared with traditional Euclidean distance computation, some geometric properties can generate approximations with simpler computation and filter out impossible codevectors to reduce computation time. In this paper, we introduce a new approximation adopting orthogonal projection on a hyperplane for speed-up VQ encoding. Experimental results show that our proposed scheme requires only 2.7~23.2% of actual Euclidean distance calculation in the full searching. Having been proved, our proposed scheme requires only 30.1~40.3% of computation time that other recently proposed schemes need.
    Relation: The 2008 IEEE International Symposium on Intelligent Information Technology Application (IITA 2008) , pp. 65-69 , 2008-12. Shanghai, China
    Appears in Collections:[資訊工程學系] 會議論文

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