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Table 1 Average running time of imaging algorithms versus different SNRs

From: Multi-linear sparse reconstruction for SAR imaging based on higher-order SVD

Time (s)

SNR=3 dB

SNR=12 dB

SNR=21 dB

SNR=30 dB

PFA

0.01736

0.01658

0.01564

0.01279

OMP

498.83

459.18

458.61

450.89

CoSaMP

1.1292

1.0759

1.0303

0.9784

Proposed

0.03719

0.03332

0.03135

0.03005