Kernel Coupled Cross-Regression for Low-Resolution Face Recognition

Table 3

Time complexity of different methods.

Database	FERET(s)	CMU PIE(s)
LDA	0.142	0.122
LPP	0.161	0.134
SRLDA	0.034	0.028
CLPMs	0.586	0.513
SDA	0.604	0.525
CCR	0.098	0.084
KDA	0.452	0.334
KLPP	0.552	0.382
SRKDA	0.086	0.058
CKE	0.648	0.422
KCCR	0.171	0.139