Complexity

Research Article

Discriminative, Competitive, and Collaborative Representation-Based Classification with -Norm Regularizations

Table 3

The classification accuracies (%) of the competing methods with the corresponding standard deviations with different class-specific training samples on each face database.


Data	l	SRC	CRC	CCRC	ProCRC	EProCRC	Co-CRC	DSRC	DCCRC

YaleB	12	91.770.95	93.58 ± 0.58	93.78 ± 0.63	94.34 ± 0.51	93.72 ± 0.67	94.53 ± 0.40	94.05 ± 0.53	94.61 ± 0.38
	18	95.48 ± 0.45	96.21 ± 0.41	96.55 ± 0.46	96.63 ± 0.51	96.51 ± 0.49	96.52 ± 0.46	96.09 ± 0.54	96.91 ± 0.38
	24	96.81 ± 0.43	97.31 ± 0.42	97.62 ± 0.23	97.69 ± 0.23	97.59 ± 0.22	97.54 ± 0.29	97.13 ± 0.30	97.93 ± 0.24
	30	97.57 ± 0.47	97.64 ± 0.38	98.12 ± 0.46	98.13 ± 0.48	98.12 ± 0.46	97.63 ± 0.43	97.46 ± 0.47	98.25 ± 0.45

AR	2	84.99 ± 0.90	86.71 ± 0.77	89.92 ± 0.70	90.15 ± 0.77	89.89 ± 0.68	90.10 ± 0.79	85.46 ± 0.80	90.18 ± 0.77
	4	94.18 ± 0.49	94.48 ± 1.16	96.55 ± 0.78	96.60 ± 0.73	96.50 ± 0.80	96.48 ± 0.50	94.93 ± 0.63	96.72 ± 0.78
	6	96.67 ± 0.94	96.25 ± 0.75	98.04 ± 0.87	98.02 ± 0.89	97.85 ± 0.90	97.78 ± 0.58	97.35 ± 0.46	98.08 ± 0.80
	8	98.00 ± 0.87	98.00 ± 0.88	99.08 ± 0.55	99.17 ± 0.51	99.06 ± 0.64	98.38 ± 0.34	98.22 ± 0.62	99.17 ± 0.43

Yale	2	73.21 ± 4.23	71.60 ± 4.68	77.53 ± 4.36	77.53 ± 4.36	77.04 ± 4.39	77.65 ± 4.53	76.54 ± 3.59	78.52 ± 4.16
	3	82.92 ± 1.56	80.69 ± 1.11	85.97 ± 1.44	86.39 ± 1.95	85.97 ± 1.44	85.56 ± 2.51	85.14 ± 2.91	86.81 ± 1.93
	4	85.87 ± 2.12	81.75 ± 2.98	88.41 ± 2.37	88.89 ± 2.23	88.57 ± 2.17	87.78 ± 2.65	87.94 ± 2.93	89.37 ± 2.37
	5	90.74 ± 3.95	88.33 ± 4.65	92.04 ± 2.57	92.41 ± 2.37	92.22 ± 2.43	88.89 ± 1.57	88.89 ± 6.29	92.96 ± 2.78

IMM	2	63.54 ± 2.76	60.00 ± 1.58	66.67 ± 2.67	66.77 ± 2.54	66.67 ± 2.52	66.15 ± 2.66	65.83 ± 2.19	66.88 ± 2.40
	3	69.72 ± 2.34	63.89 ± 2.15	73.06 ± 2.34	73.61 ± 3.48	72.50 ± 2.47	73.33 ± 3.21	72.08 ± 2.09	73.61 ± 3.15
	4	74.38 ± 4.24	68.96 ± 5.09	77.08 ± 3.42	78.33 ± 3.59	77.08 ± 3.68	77.08 ± 2.92	75.83 ± 3.23	78.54 ± 3.57
	5	82.92 ± 4.01	81.67 ± 4.08	85.00 ± 2.24	85.42 ± 3.68	84.58 ± 2.92	83.33 ± 3.42	83.33 ± 3.42	86.25 ± 3.45

PIE29	4	89.90 ± 0.70	90.94 ± 0.57	91.01 ± 0.71	91.37 ± 0.55	90.97 ± 0.74	91.56 ± 0.48	90.50 ± 0.60	91.68 ± 0.58
	6	92.12 ± 0.77	92.29 ± 0.40	92.68 ± 0.64	92.81 ± 0.65	92.60 ± 0.70	92.76 ± 0.67	92.45 ± 0.41	92.91 ± 0.70
	8	92.94 ± 0.48	92.74 ± 0.75	93.49 ± 0.54	93.49 ± 0.60	93.51 ± 0.54	93.22 ± 0.66	93.14 ± 0.56	93.77 ± 0.60
	10	93.68 ± 0.61	94.03 ± 0.78	94.47 ± 0.53	94.54 ± 0.54	94.39 ± 0.47	93.99 ± 0.85	93.89 ± 0.92	94.60 ± 0.54