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EURASIP Journal on Advances in Signal Processing

Table 2 Average running time of imaging algorithms versus different numbers of scatterers (indicated by N s )

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

Time (s)

N s = 20

N s = 50

N s = 100

N s = 150

PFA

0.01716

0.01832

0.02437

0.04121

OMP

519.67

525.62

537.96

568.34

CoSaMP

0.95787

0.96073

0.98114

1.2098

Proposed

0.04519

0.04651

0.04762

0.05133

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