Group Sparse Basis Pursuit Denoising Reconstruction Algorithm for Polarimetric Through-the-Wall Radar Imaging

Table 1

Comparison of four algorithms.

Algorithm	TCR (dB)	Running time (sec)	Memory requirement (MB)
MT-BCS	21.05	23.34	2636.8
LAHMP	19.08	180.35	1318.4
The traditional SPGL1 algorithm	25.62	279.68	6.661
The proposed NUFFT-based SPGL1 algorithm	25.62	39.78	6.661