Research Article
Portable Brain-Computer Interface for the Intensive Care Unit Patient Communication Using Subject-Dependent SSVEP Identification
Table 3
Our system’s performance versus GMM-MAP-SVM and GMM-MAP-SSVM identification accuracies using 3 different numbers of mixtures.
| Subjects | CCA | PSDA | GMM-MAP-SVM | GMM-MAP-SSVM | 4 mixtures | 8 mixtures | 16 mixtures | 4 mixtures | 8 mixtures | 16 mixtures |
| Subject 1 | 83% | 67% | 92.00% | 95.30% | 94.40% | 98.30% | 100.00% | 100.00% | Subject 2 | 77% | 83% | 93.60% | 96.70% | 92.10% | 96.50% | 98.70% | 93.20% | Subject 3 | 40% | 26% | 91.70% | 93.60% | 90.60% | 90.80% | 98.40% | 94.90% | Subject 4 | 59% | 19% | 89.40% | 90.20% | 89.70% | 87.20% | 97.70% | 94.20% | Subject 5 | 67% | 41% | 92.30% | 93.90% | 93.80% | 93.70% | 98.80% | 97.60% | Subject 6 | 55% | 35% | 90.00% | 91.50% | 92.50% | 92.00% | 96.90% | 96.60% | Subject 7 | 62% | 29% | 90.20% | 90.60% | 93.80% | 96.60% | 100.00% | 99.70% | Subject 8 | 71% | 39% | 86.50% | 89.50% | 88.70% | 87.80% | 98.50% | 96.50% | Subject 9 | 47% | 17% | 89.80% | 92.00% | 89.30% | 92.70% | 99.20% | 95.80% | Subject 10 | 61% | 17% | 87.70% | 95.80% | 91.90% | 95.40% | 98.80% | 96.30% |
| Average | 62% | 37% | 90.32% | 92.91% | 91.60% | 93.10% | 98.70% | 96.40% |
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