Patch-Based Principal Component Analysis for Face Recognition

Table 1

Comparison of the four methods on recognition accuracy on the partial FERET database.

Method	Accuracy (%)	Patch size (pixel)			Time (s)	Threshold
1DPCA	79.0	—	—	—	1.454	0.99
2DPCA	84.0	—	—	—	1.734	0.80
(2D)^2PCA	83.0	—	—	—	2.104	0.90
PPCA	86		0	18	26.658	0.92