Discriminative Label Relaxed Regression with Adaptive Graph Learning

Table 4

Average recognition rate of different methods on the CMU PIE database (%).

Methods	The number (or proportion) of the training samples per class
	4 (19.05%)	5 (23.81%)	6 (28.57%)	7 (33.33%)	8 (38.10%)
CRC	79.43	84.27	87.68	88.99	92.20
LRC	70.72	79.61	82.86	87.57	89.62
FLRC	78.22	80.23	84.36	88.45	91.33
FME	70.93	77.52	81.33	85.07	86.96
JGLDA	78.55	79.78	79.95	88.63	88.69
DLSR	74.25	80.29	85.98	88.74	91.95
DLRR_AG	81.50	84.71	88.15	89.75	92.59

Bold values indicate the highest recognition rate of all methods.