Research Development of Electroencephalogram Acquisition Devices for Brain Computer Interface
He Qing1*, Hao Sicong1, Si Juanning1, Wu Yingnian2, Cheng Jie1
1(School of Instrument Science and Opto-Electronics Engineering, Beijing Information Science and Technology University, Beijing 100192, China) 2(School of Automation, Beijing Information Science and Technology University, Beijing 100192, China)
Abstract：Brain computer interface (BCI) builds a novel and direct interactive mode between human brain and the outside, so that it has a very broad application prospects. Electroencephalogram (EEG) acquisition device, as an important means and approach of signals acquisition for BCI, is the critical point and foundation of the BCI technology and has received intensive attention. Owing to the explosive growth of the BCI research recently, various techniques of EEG acquisition spring up constantly. In the future, EEG acquisition devices will have huge application potential in the fields of science, medicine, military and human life. In order to clarify the development status and development direction of EEG acquisition devices, this paper discussed basic structure, performance optimization circuit and existing EEG acquisition products. Firstly, four main components of EEG acquisition equipment were analyzed. The performance optimization method of EEG acquisition equipment was classified and summarized, the key indicators of the existing mainstream EEG products were compared, their functional characteristics were expounded. Finally, the shortcomings of the existing EEG acquisition equipment were analyzed and its future development tendency was prospected.
贺庆, 郝思聪, 司娟宁, 吴迎年, 程杰. 面向脑机接口的脑电采集设备硬件系统综述[J]. 中国生物医学工程学报, 2020, 39(6): 747-758.
He Qing, Hao Sicong, Si Juanning, Wu Yingnian, Cheng Jie. Research Development of Electroencephalogram Acquisition Devices for Brain Computer Interface. Chinese Journal of Biomedical Engineering, 2020, 39(6): 747-758.
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