Table 1.

Summary of notations.

M	Number of necessary measurements
N	Number of sensor nodes
K	Number of atoms of dictionary D
L	Length of training data vectors
λA	Sparse coefficient regularization parameter
λΘ	Structured dictionary regularization parameter
Lf	Lipschitz constant
Φ	Measurement matrix
Ψ	Orthonormal basis dictionary
P	Sensing matrix
D	Structured dictionary
X	Data matrix
$\widehat{X}$	Estimated data matrix
Θ	Sparse atom representation dictionary