Jointly Learning the Discriminative Dictionary and Projection for Face Recognition

Table 4

The recognition accuracies (the top average recognition accuracy ± standard deviation %) of methods on the ORL database under various feature dimensions.

Method	dim = 50	dim = 60	dim = 70	dim = 80	dim = 90
PCA + SRC	84.50 ± 2.04	87.70 ± 1.57	89.25 ± 1.92	90.55 ± 1.82	91.50 ± 1.75
DRSRC	92.90 ± 1.41	93.25 ± 1.69	93.35 ± 1.49	93.40 ± 1.33	93.30 ± 0.79
LCK-SVD	84.00 ± 2.98	85.40 ± 1.90	87.60 ± 1.98	90.65 ± 1.60	90.90 ± 2.13
FDDL	86.35 ± 2.93	88.05 ± 2.07	88.85 ± 2.42	89.20 ± 2.37	89.05 ± 2.70
LSD	86.77 ± 1.72	88.78 ± 1.91	89.44 ± 1.60	90.67 ± 1.39	91.72 ± 1.58
JDDRDL	90.90 ± 1.96	92.30 ± 1.96	92.80 ± 1.40	94.35 ± 1.90	94.50 ± 1.55
DSRC	91.87 ± 1.12	92.03 ± 1.24	92.62 ± 1.34	93.13 ± 1.60	93.77 ± 1.71
JNPDL	92.44 ± 1.71	93.17 ± 1.63	93.86 ± 1.49	94.52 ± 1.53	94.98 ± 1.24
JLDDP	97.25 ± 0.78	97.00 ± 1.03	97.30 ± 0.79	96.70 ± 1.21	97.05 ± 0.90