计算机工程与应用
計算機工程與應用
계산궤공정여응용
COMPUTER ENGINEERING AND APPLICATIONS
2010年
5期
177-180
,共4页
孙宁%宋莹%成伟明%赵春光
孫寧%宋瑩%成偉明%趙春光
손저%송형%성위명%조춘광
典型相关分析%二维典型相关分析%图像识别%小样本问题
典型相關分析%二維典型相關分析%圖像識彆%小樣本問題
전형상관분석%이유전형상관분석%도상식별%소양본문제
canonical correlation analysis%Two-Dimensional CCA(2DCCA)%face recognition%small size sample
针对传统典型相关分析(Canonical Correlation Analysis,CCA)的图像识别中出现的小样本(Small Sample Size,SSS)问题,提出二维典型相关分析(Two-Dimensional CCA,2DCCA).首先阐述了2DCCA方法的基本原理并给出了类成员关系矩阵的构造方法,推导出了类成员关系协充差矩阵广义逆的解析解.其次,从理论上证明了2DCCA方法对于解决小样本问题的有效性.最后,利用人脸识别实验来测试该方法的性能,实验结果表明,2DCCA方法有效地解决了图像识别中常见的小样本问题,并且能取得较其他几种基于CCA的人脸识别方法更优的识别结果.
針對傳統典型相關分析(Canonical Correlation Analysis,CCA)的圖像識彆中齣現的小樣本(Small Sample Size,SSS)問題,提齣二維典型相關分析(Two-Dimensional CCA,2DCCA).首先闡述瞭2DCCA方法的基本原理併給齣瞭類成員關繫矩陣的構造方法,推導齣瞭類成員關繫協充差矩陣廣義逆的解析解.其次,從理論上證明瞭2DCCA方法對于解決小樣本問題的有效性.最後,利用人臉識彆實驗來測試該方法的性能,實驗結果錶明,2DCCA方法有效地解決瞭圖像識彆中常見的小樣本問題,併且能取得較其他幾種基于CCA的人臉識彆方法更優的識彆結果.
침대전통전형상관분석(Canonical Correlation Analysis,CCA)적도상식별중출현적소양본(Small Sample Size,SSS)문제,제출이유전형상관분석(Two-Dimensional CCA,2DCCA).수선천술료2DCCA방법적기본원리병급출료류성원관계구진적구조방법,추도출료류성원관계협충차구진엄의역적해석해.기차,종이론상증명료2DCCA방법대우해결소양본문제적유효성.최후,이용인검식별실험래측시해방법적성능,실험결과표명,2DCCA방법유효지해결료도상식별중상견적소양본문제,병차능취득교기타궤충기우CCA적인검식별방법경우적식별결과.
The traditional Canonical Correlation Analysis(CCA)based image recognition methods always encounter the Small Sample Size(SSS)problem,which is due to the size of sample and less than the dimension of sample.In order to solve this problem,a new supervised learning method called Two-Dimensional CCA(2DCCA)is developed.The theory foundation of 2DCCA method is firsdy developed,and the construction method for the class-membership matrix Y which is used to precisely represent the relationship between samples and classes in the 2DCCA framework is then clarified.Simultaneously,the analytic form of the generalized inverse of such class-membership matrix is derived.From experiment results on face recognition,not only can the SSS problem be effectively solved,but also better recognition performance than several other CCA based methods has been achieved.