An Adaptive Sparsity Estimation KSVD Dictionary Construction Method for Compressed Sensing of Transient Signal

Table 1

Average sparsity of test set signals on different sparse bases.

Dictionary	Maximum sparsity	Minimum sparsity	Average sparsity
DCT	225	156	182
KSVD	156	109	137.2
CC-KSVD	135	96	114.2
PDR-KSVD	139	101	123.2
StOMP-KSVD	167	118	142.8
SAMP-KSVD	125	93	109.6
ASE-KSVD (proposed)	116	89	104.4