Table 2: The recognition accuracy (%) of SRC, K-SVD, D-KSVD, LC-DKSVD, and WBDL on AR database.

MethodAccuracy (%)

SRC77.34
K-SVD89.41
D-KSVD90.60
LC-KSVD91.78
WBDL (global)94.00
WBDL (local)95.33