没有合适的资源?快使用搜索试试~ 我知道了~
首页PCA与LDA的介绍,pca-vs-lda.pdf
资源详情
资源评论
资源推荐

PCA versus LDA

History of the paper
•
A.M. Martinez, A.C. Kak, “PCA versus LDA", IE
EE Transactions on Pattern Analysis and Mach
ine Intelligence, vol. 23, pp. 228-233, Feb 20
01.
•
Aleix M. Martinez is the author (with Robert Be
navente) of the AR-face database.

Introduction
•
Face recognition rate
–
PCA < LDA
•
The training data set is large.
•
The number of training class is su"cient (using gallery).
•
The number of feature is large (dimension).
–
PCA > LDA
•
The training data set is small.
•
The number of training class is not su"cient (using
gallery).
•
The number of feature is small (dimension).

PCA VS LDA
•
PCA (unsupervised)
•
LDA (supervised)
between-class scatter matrix
maximization
within-class scatter matrix
Total scatter matrix maximization
C
1
C
2
PC
A
LDA
剩余18页未读,继续阅读
安全验证
文档复制为VIP权益,开通VIP直接复制

评论4