期刊文献+

基于均值排序的新的初始码书算法的研究

Study on a new initial codebook algorithm based on mean sorting
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摘要 矢量量化的核心问题是初始码书设计。针对已有的随机法和分裂法等初始码书算法存在无效码矢多、运算量大等缺点,在训练矢量集随机抽取法的基础上提出了一种新的均值排序法,并应用到基于自组织特征映射(SOM)和频率敏感的自组织特征映射(FSOM)的矢量量化(VQ)中。实验结果表明,均值排序法的峰值信噪比(PSNR)比训练矢量集随机抽取法高。
作者 陈冬梅
出处 《制造业自动化》 北大核心 2011年第6期51-52,55,共3页 Manufacturing Automation
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