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一种基于叶分量分析的带有监督信息的在线学习方法
引用本文:纪昂,姚丹,郭跃飞.一种基于叶分量分析的带有监督信息的在线学习方法[J].计算机应用与软件,2009,26(8):219-222.
作者姓名:纪昂  姚丹  郭跃飞
作者单位:复旦大学计算机科学与工程系,上海,200433
摘    要:在一些模式识别应用中,具有类属信息的样本数量较少,此时监督学习算法会遇到小样本问题,导致分类器的识别精度大幅低于预期水平.基于叶分量分析,提出一种带监督信息的在线学习方法.该方法在训练过程进行监督学习,而在模式识别阶段能够在对输入样本进行分类的同时基于这些样本进行非监督在线学习,因此实现了监督学习与非监督学习的结合.在小本量情况下,在线学习可以弥补训练阶段监督学习的不足,仍能保证获得较高的识别精度.实验证明,该方法能够有效克服小样本问题.

关 键 词:小样本  增量式学习  叶分量分析  在线学习

A LOBE COMPONENT ANALYSIS BASED ONLINE LEARNING METHOD WITH SUPERVISING CLUE
Ji Ang,Yao Dan,Guo Yuefei.A LOBE COMPONENT ANALYSIS BASED ONLINE LEARNING METHOD WITH SUPERVISING CLUE[J].Computer Applications and Software,2009,26(8):219-222.
Authors:Ji Ang  Yao Dan  Guo Yuefei
Affiliation:Department of Computer Science and Engineering;Fudan University;Shanghai 200433;China
Abstract:In certain pattern recognition applications,because of the small size of the labelled training sample set,supervised learning methods will suffer from the Small Sample Size(3S) problem which results in classifier's unreasonably low recognition precision.Based on the Lobe Component Analysis(LCA) an online learning method with supervising clue is proposed.The method performs supervised learning in training,on the other hand,throughout the pattern recognition stage it has the ability of performing continually ...
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