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Published at December 4Channel Reflection: Knowledge-Driven Data Augmentation for EEG-Based Brain-Computer Interfaces
cs.HC
cs.LG
eess.SP
Released Date: December 4, 2024
Authors: Ziwei Wang1, Siyang Li1, Jingwei Luo2, Jiajing Liu3, Dongrui Wu1
Aff.: 1Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen 518063, China; 2China Electronic System Technology Co., Ltd., Beijing 100089, China; 3School of Civil and Hydraulic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

| ID | EEGNet | EEGWaveNet | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Baseline | Noise | Flip | Scale | Freq | CR | Baseline | Noise | Flip | Scale | Freq | CR | |
| S1 | 50.98 | 62.07 | 62.00 | 56.72 | 61.38 | 55.73 | 59.67 | 54.21 | 57.47 | 58.58 | 62.53 | 65.55 |
| S4 | 81.01 | 60.37 | 60.55 | 60.60 | 57.02 | 66.03 | 70.02 | 67.59 | 72.85 | 67.77 | 70.09 | 69.52 |
| S5 | 69.26 | 79.00 | 78.27 | 78.92 | 78.78 | 77.38 | 70.39 | 65.28 | 73.08 | 70.45 | 64.58 | 74.47 |
| S7 | 57.38 | 55.82 | 63.15 | 60.86 | 61.16 | 66.30 | 70.78 | 65.68 | 62.72 | 63.18 | 61.99 | 66.96 |
| S9 | 74.30 | 55.94 | 57.12 | 52.09 | 55.53 | 54.94 | 64.39 | 65.56 | 57.35 | 65.51 | 67.64 | 67.62 |
| S11 | 59.65 | 63.95 | 70.85 | 64.32 | 71.29 | 70.01 | 62.03 | 61.57 | 61.40 | 60.50 | 70.68 | 58.74 |
| S13 | 60.37 | 54.75 | 57.18 | 59.33 | 55.51 | 67.13 | 65.92 | 60.46 | 56.67 | 64.03 | 57.67 | 71.20 |
| S14 | 55.02 | 56.56 | 56.36 | 55.30 | 49.10 | 49.31 | 47.17 | 54.25 | 56.85 | 56.42 | 55.81 | 52.98 |
| S15 | 51.21 | 55.60 | 53.34 | 54.32 | 53.30 | 50.27 | 51.04 | 51.64 | 53.90 | 50.50 | 49.80 | 52.42 |
| S16 | 51.54 | 51.37 | 53.85 | 54.31 | 54.57 | 59.61 | 56.48 | 62.91 | 57.78 | 61.39 | 62.02 | 56.81 |
| S17 | 59.55 | 57.47 | 63.54 | 57.65 | 60.09 | 52.10 | 49.98 | 53.81 | 50.89 | 55.09 | 55.06 | 53.58 |
| S19 | 62.16 | 51.65 | 52.90 | 48.49 | 50.40 | 56.60 | 52.44 | 55.08 | 56.27 | 57.05 | 58.03 | 61.59 |
| S20 | 50.88 | 59.80 | 59.90 | 55.64 | 61.65 | 56.78 | 60.63 | 58.75 | 56.76 | 60.18 | 53.87 | 58.26 |
| S21 | 59.23 | 56.36 | 87.48 | 86.19 | 88.74 | 89.00 | 58.97 | 74.93 | 68.00 | 66.09 | 66.41 | 61.67 |
| S22 | 40.38 | 52.79 | 52.84 | 51.82 | 50.38 | 54.73 | 53.14 | 49.92 | 52.72 | 55.29 | 52.02 | 57.04 |
| S25 | 64.29 | 71.02 | 65.89 | 69.14 | 66.20 | 74.60 | 62.64 | 59.46 | 55.93 | 65.44 | 62.36 | 61.77 |
| S31 | 78.75 | 55.22 | 57.21 | 52.87 | 53.26 | 59.20 | 76.75 | 60.18 | 59.14 | 82.31 | 67.31 | 87.11 |
| S34 | 75.29 | 64.86 | 69.42 | 57.60 | 56.62 | 70.90 | 76.68 | 86.57 | 81.75 | 93.03 | 90.07 | 91.82 |
| S36 | 69.61 | 78.63 | 84.57 | 63.11 | 75.09 | 74.00 | 77.25 | 73.63 | 62.48 | 80.67 | 79.84 | 71.97 |
| S38 | 66.76 | 61.98 | 58.02 | 57.39 | 51.48 | 54.34 | 59.70 | 58.13 | 58.28 | 55.38 | 56.69 | 60.80 |
| S39 | 74.43 | 66.78 | 65.85 | 64.49 | 65.09 | 58.13 | 69.54 | 64.02 | 67.54 | 71.56 | 64.47 | 64.41 |
| S40 | 51.15 | 49.44 | 50.62 | 50.21 | 50.27 | 58.84 | 62.07 | 56.56 | 59.85 | 53.39 | 64.14 | 61.99 |
| S41 | 55.26 | 63.23 | 61.85 | 53.02 | 57.53 | 64.96 | 70.64 | 61.74 | 66.09 | 67.81 | 67.42 | 65.22 |
| S44 | 68.79 | 45.39 | 64.38 | 42.51 | 66.24 | 64.85 | 64.57 | 79.30 | 52.59 | 69.43 | 71.01 | 61.58 |
| S47 | 83.12 | 63.45 | 59.04 | 53.27 | 62.49 | 63.73 | 70.34 | 64.71 | 66.71 | 82.84 | 71.09 | 84.48 |
| S50 | 69.92 | 65.61 | 69.58 | 65.37 | 68.64 | 73.96 | 73.85 | 78.82 | 70.84 | 73.62 | 64.58 | 68.48 |
| S51 | 54.03 | 44.26 | 47.87 | 46.81 | 48.37 | 46.62 | 55.35 | 50.41 | 39.81 | 61.28 | 51.48 | 56.30 |
| S52 | 47.28 | 60.41 | 57.31 | 67.96 | 56.17 | 63.85 | 54.14 | 50.46 | 51.41 | 59.99 | 56.79 | 63.88 |
| S62 | 90.19 | 51.30 | 53.17 | 50.05 | 52.32 | 46.00 | 68.78 | 83.73 | 76.66 | 88.12 | 93.98 | 88.09 |
| S63 | 50.10 | 52.71 | 51.36 | 54.65 | 54.19 | 51.49 | 48.33 | 51.69 | 48.40 | 54.33 | 50.95 | 53.49 |
| S66 | 63.95 | 71.12 | 56.07 | 70.19 | 65.85 | 75.69 | 64.20 | 66.64 | 68.66 | 63.69 | 60.71 | 67.71 |
| S67 | 59.71 | 67.83 | 70.78 | 71.32 | 65.35 | 76.54 | 74.97 | 72.60 | 63.95 | 65.32 | 58.11 | 74.49 |
| S69 | 50.05 | 49.98 | 50.64 | 68.48 | 49.93 | 50.08 | 83.02 | 84.68 | 86.52 | 89.66 | 87.90 | 90.91 |
| S73 | 50.03 | 60.97 | 59.50 | 51.08 | 50.67 | 67.94 | 51.28 | 60.33 | 67.20 | 57.25 | 56.51 | 64.82 |
| S75 | 52.47 | 51.51 | 50.35 | 52.87 | 52.59 | 56.34 | 56.01 | 52.24 | 58.61 | 59.15 | 56.64 | 59.04 |
| S76 | 53.95 | 51.79 | 51.24 | 55.00 | 50.65 | 53.82 | 53.37 | 54.67 | 53.51 | 52.77 | 52.98 | 59.41 |
| S77 | 50.58 | 58.29 | 56.61 | 58.58 | 54.84 | 45.98 | 48.97 | 52.80 | 54.11 | 49.66 | 49.74 | 49.43 |
| S78 | 67.16 | 67.51 | 69.64 | 66.34 | 63.74 | 80.51 | 74.13 | 66.41 | 63.15 | 68.56 | 74.64 | 76.40 |
| S79 | 57.67 | 49.57 | 46.56 | 49.96 | 46.32 | 60.95 | 62.12 | 60.79 | 57.60 | 62.25 | 54.40 | 63.57 |
| Avg. | 61.22 | 58.88 | 60.43 | 58.69 | 58.79 | 62.03 | 62.86 | 62.88 | 61.17 | 65.12 | 63.38 | 66.04 |