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  • 标题:A NOVEL CODEBOOK INITIALISATION TECHNIQUE FOR GENERALIZED LLOYD ALGORITHM USING CLUSTER DENSITY
  • 本地全文:下载
  • 作者:K.Somasundaram ; S.Vimala
  • 期刊名称:International Journal on Computer Science and Engineering
  • 印刷版ISSN:2229-5631
  • 电子版ISSN:0975-3397
  • 出版年度:2010
  • 卷号:2
  • 期号:5
  • 页码:1807-1809
  • 出版社:Engg Journals Publications
  • 摘要:In this paper, a novel codebook initialization technique has been adopted for Generalized Lloyd Algorithm (GLA). GLA plays an important role in the design of Vector Quantizers. The proposed technique generates initial seeds in a simple way which reduced the computational complexity when compared to other existing techniques. The initial codebook thus generated using the proposed technique is iteratively improved using GLA to improve the quality (PSNR) of the reconstructed images.
  • 关键词:Copy-codevector; training set; PSNR; codebook
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