TABLE I.
Performance Comparison Between the Proposed Method and Benchmark Algorithms With Single Source
| Source with LNs=l | Source with LNs=2 | Source with LNs=3 | |||||
|---|---|---|---|---|---|---|---|
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| SNR | Method | LE (mm) | AUPRC | LE (mm) | AUPRC | LE (mm) | AUPRC |
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| 30dB | MNE | 4.991 ± 6.769 | 0.681 ± 0.207 | 6.336 ± 7.322 | 0.557 ± 0.141 | 8.084 ± 10.508 | 0.457 ±0.118 |
| sLORETA | 0.709 ± 2.562 | 0.870 ± 0.118 | 2.981 ± 4.250 | 0.783 ± 0.119 | 4.890 ± 5.483 | 0.662 ± 0.121 | |
| dSPM | 8.890 ± 11.074 | 0.678 ± 0.242 | 12.991 ± 13.672 | 0.567 ±0.188 | 23.002 ± 20.596 | 0.427 ± 0.147 | |
| MCMV | 1.688 ± 4.932 | 0.557 ± 0.202 | 6.463 ± 11.550 | 0.425 ± 0.163 | 10.822 ± 15.528 | 0.352 ± 0.140 | |
| ADMM | 3.254 ± 6.012 | 0.895 ± 0.155 | 4.416 ± 5.807 | 0.906 ± 0.083 | 6.011 ± 5.432 | 0.869 ± 0.060 | |
| ConvDip | 10.828 ± 7.607 | 0.577 ± 0.259 | 9.157 ± 6.996 | 0.812 ± 0.159 | 9.062 ± 7.171 | 0.868 ± 0.107 | |
| Proposed | 5.046 ± 5.713 | 0.819 ± 0.181 | 3.739 ± 6.002 | 0.942 ± 0.097 | 4.478 ± 6.072 | 0.965 ± 0.056 | |
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| 20dB | MNE | 5.013 ± 6.824 | 0.679 ± 0.208 | 6.218 ± 7.056 | 0.555 ± 0.140 | 7.767 ± 10.626 | 0.457 ±0.117 |
| sLORETA | 1.447 ± 3.163 | 0.858 ± 0.124 | 2.967 ± 4.300 | 0.778 ± 0.121 | 5.085 ± 5.787 | 0.651 ± 0.121 | |
| dSPM | 9.569 ± 12.219 | 0.655 ± 0.238 | 12.952 ± 13.736 | 0.554 ± 0.194 | 26.923 ± 28.094 | 0.411 ± 0.144 | |
| MCMV | 1.688 ± 4.932 | 0.556 ± 0.203 | 7.236 ± 12.778 | 0.426 ± 0.164 | 11.175 ± 16.327 | 0.352 ± 0.141 | |
| ADMM | 2.793 ± 4.825 | 0.895 ± 0.152 | 3.798 ± 4.690 | 0.905 ± 0.081 | 6.613 ± 5.454 | 0.864 ± 0.067 | |
| ConvDip | 11.343 ± 7.775 | 0.569 ± 0.251 | 9.456 ± 6.772 | 0.813 ± 0.159 | 9.216 ± 6.820 | 0.866 ± 0.104 | |
| Proposed | 5.978 ± 5.898 | 0.813 ± 0.185 | 3.739 ± 6.002 | 0.939 ± 0.100 | 4.387 ± 5.513 | 0.964 ± 0.054 | |
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| lOdB | MNE | 4.919 ± 6.337 | 0.669 ± 0.203 | 5.307 ± 5.756 | 0.550 ± 0.138 | 7.487 ± 9.334 | 0.450 ±0.114 |
| sLORETA | 12.543 ± 30.572 | 0.569 ± 0.236 | 6.286 ± 6.755 | 0.629 ± 0.153 | 9.041 ± 7.622 | 0.536 ± 0.120 | |
| dSPM | 10.190 ± 10.527 | 0.473 ± 0.221 | 15.494 ± 15.873 | 0.442 ±0.185 | 25.623 ± 20.348 | 0.337 ± 0.131 | |
| MCMV | 1.688 ± 4.932 | 0.557 ± 0.202 | 7.639 ± 12.645 | 0.423 ± 0.167 | 10.065 ± 11.563 | 0.351 ± 0.142 | |
| ADMM | 3.027 ± 5.543 | 0.888 ± 0.169 | 4.928 ± 5.744 | 0.876 ± 0.092 | 7.293 ± 6.747 | 0.801 ± 0.089 | |
| ConvDip | 11.616 ± 7.704 | 0.558 ± 0.262 | 9.470 ± 7.458 | 0.786 ± 0.170 | 9.922 ± 7.279 | 0.851 ± 0.111 | |
| Proposed | 5.608 ± 5.158 | 0.804 ± 0.181 | 4.999 ± 6.068 | 0.933 ± 0.099 | 5.068 ± 5.543 | 0.943 ± 0.058 | |
Results are shown as mean ± std.