基于可穿戴式脑磁图的视觉混合脑机接口研究

王晨旭, 郭旭, 王慧, 张欣, 常严, 郭清乾, 胡涛, 冯晓宇, 杨晓冬

Study of Visual Hybrid Brain-Computer Interface Based on Wearable Magnetoencephalogram

WANG Chenxu, GUO Xu, WANG Hui, ZHANG Xin, CHANG Yan, GUO Qingqian, HU Tao, FENG Xiaoyu, YANG Xiaodong

表1 不同数据长度时分类准确率（平均正确率±标准误）/%

Table 1 Classification accuracy with different data lengths (Mean±SEM)/%

分类方法 数据长度 1 s 2 s 3 s 4 s 5 s UD-SVM(2) 94.13±1.26 94.50±1.45 95.63±1.45 95.38±1.66 96.38±1.42 UD-TRCA(2) 52.88±2.47 52.38±2.31 57.75±2.62 54.50±2.37 57.50±2.58 UD-EEGNet(2) 95.63±1.59 97.50±1.07 93.88±1.97 93.00±2.22 93.75±2.24 UI-SVM(2) 81.63±3.67 82.50±3.95 83.50±3.90 83.13±3.86 83.50±4.07 UI-TRCA(2) 49.13±1.56 51.50±1.72 55.38±2.27 54.00±1.72 55.63±1.72 UI-EEGNet(2) 83.13±3.28 85.25±3.35 85.13±3.40 85.50±3.35 86.13±3.38 CCA(4) 49.44±2.50 75.81±3.16 87.13±2.37 92.00±1.73 93.56±1.64 UD-TRCA(4) 89.19±1.81 96.25±1.09 97.50±0.88 98.19±0.85 99.00±0.43 UD-EEGNet(4) 88.56±2.07 88.69±2.60 95.69±1.28 96.75±1.19 97.63±1.07 UI-TRCA(4) 56.44±2.47 59.06±3.16 61.69±3.92 63.63±4.20 67.31±4.02 UI-EEGNet(4) 67.50±2.99 79.31±3.27 82.25±3.56 85.25±3.48 88.13±3.23 UD-TRCA(6) 65.00±1.66 71.71±1.23 73.92±1.29 73.88±1.29 75.33±1.18 UD-EEGNet(6) 81.10±2.16 88.04±1.48 90.42±1.31 91.67±1.50 93.29±1.69 UI-TRCA(6) 37.54±1.74 40.29±2.57 44.08±2.95 45.71±3.05 48.54±3.21 UI-EEGNet(6) 52.67±2.33 62.37±3.00 73.63±3.02 78.71±2.73 81.75±2.75