| 基于左右视野双频率刺激的SSVEP脑-机接口 | |
| 闫铮 ; 宾光宇 ; 高小榕 ; YAN Zheng ; BIN Guangyu ; GAO Xiaorong | |
| 2010-06-09 ; 2010-06-09 | |
| 关键词 | 脑-机接口(BCI) 稳态视觉诱发电位(SSVEP) 典型相关分析法 brain-computer interface(BCI) steady-state visual evoked potentials(SSVEP) canonical correlation analysis R318 |
| 其他题名 | Right-and-left field stimulation with two frequencies for a SSVEP-based brain-computer interface |
| 中文摘要 | 当可使用频率有限时,基于稳态视觉诱发电位(SSVEP)的脑-机接口(BCI)系统所能呈现的目标数较少。为了有效地增加该目标数,该文提出了一种基于左右视野、使用两个频率闪烁块呈现目标的刺激方法。5名受试者参加了试验。用典型相关分析法处理数据,提取左右视野区与刺激对应的频率成分。离线正确率分析表明:4名受试目标识别率超过85%。采用该方法,在使用2个频率时,该系统所能呈现的目标个数提高了2倍。; Only a small number of targets can be presented when using limited frequencies in brain-computer interfaces(BCI) based on SSVEP(steady-state visual evoked potentials).A method was developed for simultaneous right-and-left field stimulation with two frequencies to acquire more targets when using a screen display as the stimulator in SSVEP-BCIs.Canonical correlation analysis(CCA) was applied to extract the frequency components of the right-and-left visual fields.Offline analyses of 5 subjects show that the final accuracy for four of the subjects was more than 85%.Thus,the method with two frequencies can recognize more than twice as many targets as conventional SSVEP-BCIs.; 国家自然科学基金资助项目(30630022); 国家“八六三”高技术项目(2006AA01Z134) |
| 语种 | 中文 ; 中文 |
| 内容类型 | 期刊论文 |
| 源URL | [http://hdl.handle.net/123456789/58336]  |
| 专题 | 清华大学 |
| 推荐引用方式 GB/T 7714 | 闫铮,宾光宇,高小榕,等. 基于左右视野双频率刺激的SSVEP脑-机接口[J],2010, 2010. |
| APA | 闫铮,宾光宇,高小榕,YAN Zheng,BIN Guangyu,&GAO Xiaorong.(2010).基于左右视野双频率刺激的SSVEP脑-机接口.. |
| MLA | 闫铮,et al."基于左右视野双频率刺激的SSVEP脑-机接口".(2010). |
| 个性服务 |
| 查看访问统计 |
| 相关权益政策 |
| 暂无数据 |
| 收藏/分享 |
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。
修改评论