Table 1.
Numerical Experiment | Derenzo Phantom (40 dB) | Derenzo Phantom (30 dB) | Derenzo Phantom (20 dB) | Blood Vessel Network (Fig. 4) | PAT Phantom (Fig. 5) | |||||
---|---|---|---|---|---|---|---|---|---|---|
PC | CNR | PC | CNR | PC | CNR | PC | CNR | PC | CNR | |
K-Wave time-reversal | 0.47 | 1.91 | 0.46 | 1.80 | 0.45 | 1.66 | 0.44 | 1.86 | 0.47 | 2.03 |
LSQR (λ = 0.01) | 0.37 | 1.85 | 0.36 | 1.653 | 0.35 | 1.32 | 0.41 | 1.66 | 0.28 | 1.89 |
Optimal LSQR | 0.61 | 2.1 | 0.59 | 1.941 | 0.48 | 1.823 | 0.47 | 1.98 | 0.59 | 2.677 |
BPD with LSQR (λ = 0.01) | 0.70 | 3.4 | 0.66 | 2.88 | 0.56 | 2.02 | 0.56 | 2.56 | 0.65 | 3.08 |
BPD with Optimal LSQR | 0.71 | 3.5 | 0.67 | 2.82 | 0.55 | 2.21 | 0.57 | 2.61 | 0.65 | 2.977 |