arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1005.4044cs.CV
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基于粗糙集理论的人脸识别特征向量约简

Reduction of Feature Vectors Using Rough Set Theory for Human Face Recognition

University of Calcutta(加尔各答大学);Jadavpur University(贾达沃普尔大学)

Debotosh Bhattacharjee, Dipak Kumar Basu, Mita Nasipuri, M. Kundu

摘要:

在本文中,我们描述了一个过程,以减少输入特征向量的大小。像人脸识别这样的复杂模式识别问题涉及到输入特征向量的巨大维数。为了减少维度,我们使用了特征空间投影(也称为主成分分析),这基本上是空间的变换。为了进一步减少,我们应用了特征选择方法来选择必要的特征,这些特征将保留在最终的特征向量中。未被选择的特征被从最终特征向量中移除,认为它们是冗余的或多余的。对于特征的选择,我们使用了粗糙集理论中的约简和核的概念。这种方法表现出非常好的性能。值得一提的是,在某些情况下,识别率随着特征向量维数的减小而增加。

英文摘要:

In this paper we describe a procedure to reduce the size of the input feature vector. A complex pattern recognition problem like face recognition involves huge dimension of input feature vector. To reduce that dimension here we have used eigenspace projection (also called as Principal Component Analysis), which is basically transformation of space. To reduce further we have applied feature selection method to select indispensable features, which will remain in the final feature vectors. Features those are not selected are removed from the final feature vector considering them as redundant or superfluous. For selection of features we have used the concept of reduct and core from rough set theory. This method has shown very good performance. It is worth to mention that in some cases the recognition rate increases with the decrease in the feature vector dimension.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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