TABLE II.
Performance Comparison Between the Proposed Method and Benchmark Algorithms With Multiple Sources
| Source with LNs=l | Source with LNs=2 | Source with LNs=3 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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| N s | Method | SNR=30 | SNR=20 | SNR=10 | SNR=30 | SNR=20 | SNR=10 | SNR=30 | SNR=20 | SNR=10 |
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| 2 | MNE | 0.544 ± 0.135 | 0.546 ± 0.133 | 0.538 ± 0.146 | 0.424 ±0.121 | 0.424 ±0.118 | 0.410 ± 0.117 | 0.327 ± 0.116 | 0.325 ± 0.116 | 0.322 ±0.117 |
| sLORETA | 0.846 ± 0.075 | 0.807 ± 0.113 | 0.490 ± 0.215 | 0.753 ± 0.065 | 0.740 ± 0.063 | 0.559 ± 0.133 | 0.668 ± 0.073 | 0.657 ± 0.076 | 0.531 ± 0.091 | |
| dSPM | 0.631 ± 0.192 | 0.599 ± 0.193 | 0.337 ± 0.206 | 0.493 ± 0.121 | 0.479 ± 0.123 | 0.342 ± 0.143 | 0.393 ± 0.108 | 0.378 ± 0.106 | 0.314 ± 0.125 | |
| MCMV | 0.326 ± 0.154 | 0.327 ± 0.157 | 0.318 ± 0.156 | 0.265 ± 0.099 | 0.264 ± 0.101 | 0.259 ± 0.096 | 0.213 ± 0.081 | 0.213 ± 0.081 | 0.215 ± 0.079 | |
| ADMM | 0.814 ± 0.104 | 0.805 ± 0.110 | 0.745 ± 0.183 | 0.868 ± 0.064 | 0.863 ± 0.070 | 0.744 ± 0.145 | 0.832 ± 0.080 | 0.808 ± 0.091 | 0.696 ± 0.137 | |
| ConvDip | 0.538 ± 0.171 | 0.542 ± 0.184 | 0.520 ± 0.165 | 0.785 ± 0.103 | 0.783 ± 0.104 | 0.730 ± 0.122 | 0.884 ± 0.070 | 0.883 ± 0.067 | 0.841 ± 0.100 | |
| Proposed | 0.696 ± 0.129 | 0.680 ± 0.145 | 0.618 ± 0.155 | 0.908 ± 0.060 | 0.901 ± 0.066 | 0.839 ± 0.110 | 0.942 ± 0.040 | 0.941 ± 0.039 | 0.892 ± 0.071 | |
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| 3 | MNE | 0.394 ± 0.120 | 0.392 ± 0.121 | 0.383 ± 0.126 | 0.294 ± 0.085 | 0.294 ± 0.084 | 0.286 ± 0.088 | 0.222 ± 0.071 | 0.222 ± 0.072 | 0.216 ± 0.069 |
| sLORETA | 0.776 ± 0.088 | 0.746 ± 0.106 | 0.471 ±0.177 | 0.695 ± 0.072 | 0.683 ± 0.073 | 0.535 ± 0.112 | 0.591 ± 0.081 | 0.581 ± 0.084 | 0.478 ± 0.078 | |
| dSPM | 0.516 ± 0.165 | 0.498 ± 0.159 | 0.301 ± 0.154 | 0.405 ± 0.110 | 0.394 ± 0.109 | 0.307 ±0.112 | 0.320 ± 0.096 | 0.314 ± 0.098 | 0.257 ± 0.070 | |
| MCMV | 0.180 ± 0.102 | 0.178 ± 0.102 | 0.178 ± 0.099 | 0.167 ± 0.077 | 0.167 ± 0.078 | 0.166 ± 0.077 | 0.153 ± 0.074 | 0.152 ± 0.073 | 0.154 ± 0.070 | |
| ADMM | 0.738 ± 0.094 | 0.732 ± 0.096 | 0.654 ± 0.145 | 0.822 ± 0.067 | 0.809 ± 0.074 | 0.683 ±0.117 | 0.782 ± 0.070 | 0.757 ± 0.085 | 0.586 ± 0.151 | |
| ConvDip | 0.425 ± 0.147 | 0.419 ± 0.149 | 0.407 ± 0.153 | 0.708 ± 0.124 | 0.701 ± 0.123 | 0.623 ± 0.125 | 0.817 ± 0.076 | 0.808 ± 0.079 | 0.744 ± 0.094 | |
| Proposed | 0.543 ± 0.151 | 0.531 ± 0.148 | 0.483 ± 0.148 | 0.808 ± 0.106 | 0.792 ± 0.110 | 0.695 ± 0.149 | 0.859 ± 0.067 | 0.843 ± 0.078 | 0.761 ± 0.112 | |
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| 4 | MNE | 0.318 ± 0.103 | 0.317 ± 0.105 | 0.302 ± 0.104 | 0.214 ± 0.073 | 0.212 ± 0.074 | 0.208 ± 0.074 | 0.182 ± 0.060 | 0.181 ± 0.059 | 0.178 ± 0.060 |
| sLORETA | 0.740 ± 0.094 | 0.689 ± 0.094 | 0.394 ± 0.154 | 0.632 ± 0.076 | 0.619 ± 0.078 | 0.471 ±0.113 | 0.533 ± 0.071 | 0.521 ± 0.072 | 0.432 ± 0.086 | |
| dSPM | 0.427 ± 0.136 | 0.390 ± 0.135 | 0.243 ±0.114 | 0.336 ± 0.084 | 0.328 ± 0.081 | 0.272 ± 0.091 | 0.286 ± 0.072 | 0.281 ± 0.073 | 0.240 ± 0.077 | |
| MCMV | 0.117 ± 0.095 | 0.117 ± 0.096 | 0.118 ± 0.093 | 0.136 ± 0.079 | 0.136 ± 0.080 | 0.136 ± 0.077 | 0.146 ± 0.058 | 0.146 ± 0.058 | 0.146 ± 0.060 | |
| ADMM | 0.693 ± 0.100 | 0.677 ± 0.103 | 0.587 ± 0.149 | 0.764 ± 0.090 | 0.742 ± 0.096 | 0.556 ± 0.155 | 0.716 ± 0.109 | 0.679 ± 0.113 | 0.492 ± 0.155 | |
| ConvDip | 0.385 ± 0.114 | 0.380 ± 0.109 | 0.359 ± 0.110 | 0.647 ± 0.104 | 0.635 ± 0.109 | 0.585 ± 0.134 | 0.770 ± 0.088 | 0.763 ± 0.093 | 0.669 ± 0.118 | |
| Proposed | 0.426 ± 0.147 | 0.418 ± 0.149 | 0.358 ± 0.142 | 0.689 ± 0.120 | 0.678 ± 0.115 | 0.595 ± 0.140 | 0.769 ± 0.093 | 0.764 ± 0.097 | 0.691 ± 0.117 | |
Results are shown as mean ± std of AUPRC.