Discriminant sparse locality preserving projection for face recognition

被引:0
|
作者
Yifang Yang
Yuping Wang
Xingsi Xue
机构
[1] Xidian University,School of Mathematics and Statistics
[2] Xi’an Shiyou University,College of Science
[3] Xidian University,School of Computer Science and Technology
[4] Fujian University of Technology,School of Information Science and Engineering
来源
Multimedia Tools and Applications | 2017年 / 76卷
关键词
Dimensionality reduction; Sparse representation; Feature extraction; Manifold learning;
D O I
暂无
中图分类号
学科分类号
摘要
In this paper, aiming at the drawback of the popular dimensionality reduction method Discriminant Sparse Neighborhood Preserving Embedding(DSNPE), i.e. the construction of its between-class scatter is too complexity, a novel algorithm Discriminant Locality Preserving Projection (DSLPP) is proposed. Our proposal retains the local sparse reconstructive relationships of DSNPE and constructs a novel between-class scatter by using all mean faces as sparse representation dictionary. In particular, DSLPP preserves the sparse reconstructive relationship of mean face, so then it can not only efficiently reduce the between-class scatter computation complexity of DSNPE, but also increase the discriminant power. In the experiment, we compare DSLPP with classic and state-of-the-art dimensionality reduction methods on the publicly available data sets such as ORL, Yale, UMIST, and AR, and further apply the Gabor feature into DSLPP on AR face database to further improve its performance. The experimental results show that DSLPP is able to obtain a better representation of the class information and achieve much higher recognition accuracy.
引用
收藏
页码:2697 / 2712
页数:15
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