Table 4.
Performance of various models and different combinations of data was evaluated across different difficulty levels of Sudoku puzzles.
| Model Name | Sudoku Difficulty | Data | Accuracy | F1-Score |
|---|---|---|---|---|
| StressNeXt | Medium | PPG | 87.75% | 78.58% |
| ECG | 90.04% | 83.72% | ||
| EEG | 69.98% | 44.72% | ||
| PPG + ECG | 83.79% | 73.58% | ||
| PPG + EEG | 86.06% | 75.56% | ||
| ECG + EEG | 87.85% | 78.48% | ||
| PPG + ECG + EEG | 86.25% | 76.48% | ||
| Hard | PPG | 85.36% | 73.37% | |
| ECG | 89.41% | 77.91% | ||
| EEG | 67.59% | 43.92% | ||
| PPG + ECG | 84.96% | 70.63% | ||
| PPG + EEG | 81.80% | 67.53% | ||
| ECG + EEG | 90.05% | 79.82% | ||
| PPG + ECG + EEG | 84.52% | 69.55% | ||
| LRCN | Medium | PPG | 85.52% | 74.36% |
| ECG | 91.56% | 87.91% | ||
| EEG | 79.75% | 57.72% | ||
| PPG + ECG | 84.90% | 74.16% | ||
| PPG + EEG | 84.37% | 70.64% | ||
| ECG + EEG | 82.83% | 67.56% | ||
| PPG + ECG + EEG | 84.37% | 72.07% | ||
| Hard | PPG | 82.58% | 68.27% | |
| ECG | 92.00% | 83.55% | ||
| EEG | 77.14% | 58.98% | ||
| PPG + ECG | 86.98% | 75.84% | ||
| PPG + EEG | 81.55% | 66.90% | ||
| ECG + EEG | 87.74% | 75.85% | ||
| PPG + ECG + EEG | 87.10% | 75.75% | ||
| Self-Supervised CNN | Medium | PPG | 89.70% | 81.48% |
| ECG | 88.71% | 80.70% | ||
| EEG | 75.55% | 29.64% | ||
| PPG + ECG | 87.36% | 73.33% | ||
| PPG + EEG | 92.49% | 84.64% | ||
| ECG + EEG | 84.92% | 70.74% | ||
| PPG + ECG + EEG | 89.38% | 80.53% | ||
| Hard | PPG | 91.29% | 83.10% | |
| ECG | 89.74% | 81.06% | ||
| EEG | 73.34% | 28.20% | ||
| PPG + ECG | 89.95% | 80.51% | ||
| PPG + EEG | 84.93% | 70.77% | ||
| ECG + EEG | 90.63% | 82.80% | ||
| PPG + ECG + EEG | 89.81% | 81.14% |