[1]杨章静,刘传才,顾兴健,等.依概率分类的保持投影及其在人脸识别中的应用[J].南京理工大学学报(自然科学版),2013,37(01):7.
　Yang Zhangjing,Liu Chuancai,Gu Xingjian,et al.Probabilistic classification preserving projections and its application to face recognition[J].Journal of Nanjing University of Science and Technology,2013,37(01):7.
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依概率分类的保持投影及其在人脸识别中的应用
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《南京理工大学学报》（自然科学版）[ISSN:1005-9830/CN:32-1397/N]

卷:
37卷
期数:
2013年01期
页码:
7
栏目:
出版日期:
2013-02-28

文章信息/Info

Title:
Probabilistic classification preserving projections and its application to face recognition
作者:
杨章静; 刘传才; 顾兴健; 朱俊
南京理工大学 计算机科学与工程学院,江苏 南京 210094
Author(s):
Yang Zhangjing; Liu Chuancai; Gu Xingjian; Zhu Jun
School of Computer Science and Engineering,NUST,Nanjing 210094,China
关键词:
人脸识别; 特征提取; 降维; 流形; 局部保持投影
Keywords:
face recognition; feature extraction; dimensionality reduction; manifold; locality preserving projections
分类号:
TP391.4
摘要:
为了提高低维空间对原始高维样本的表示能力,该文提出了依概率分类的保持投影算法(PCPP)。PCPP考虑了样本类别信息,并重新定义类内样本间的相似性,包含样本的邻域信息,而且在K近邻选择下,还能反映样本被正确归类的概率。样本经投影后,在低维特征空间内,被正确归类且概率较大的类内样本间的邻域关系得到了保持。在Yale、FERET及AR人脸库上的人脸识别实验表明,PCPP较其他算法取得了更好的识别性能。
Abstract:
In order to improve the ability of low dimensional space to represent highdimensional samples,a novel manifold learning method called probabilistic classification maintain projection(PCPP) is proposed.The PCPP takes class information into account and refines similarity weights of intraclass samples,which not only contain neighborhood information of samples,but also can reflect the probability that a sample can be correctly classified when its K nearest neighbors are selected.After projection,neighborhood relationship of the intraclass samples which possess more classification probability can be preserved.Experimental results on the Yale,FERET and AR face databases demonstrate that the PCPP performs better than other algorithms.

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备注/Memo

备注/Memo:
基金项目:国家自然科学基金(60632050);国防科工局高分专项(民用部分)(E0310/1112/JC01)
作者简介:杨章静(1979-),男,博士生,主要研究方向:图像处理、人脸识别,Email:yzzjjj@126.com;
通讯作者:刘传才(1963-),男,博士,教授,博士生导师,主要研究方向:计算机视觉、图像处理与分析、智能机器人的视觉与导航系统,Email:chcailiu@163.com。
更新日期/Last Update: 2013-02-15