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

图5 (a) Alpha波平均分类准确率；(b) SSVEF信号平均分类准确率；(c) SSVEF-Alpha混合信号平均分类准确率. 图中黑色加粗实线分别为各分类方法对应的偶然性水平线（计算方法：$\frac{\text{1}}{}$×100%）

Fig. 5 (a) Average classification accuracy of Alpha wave; (b) Average classification accuracy of SSVEF signals; (c) Average classification accuracy of SSVEF-Alpha mixed signals. The black bold solid lines in the figure are the accidental horizontal lines corresponding to each classification method respectively (calculation method: $\frac{1}{classification number}$×100%)