A Novel Real-Time Multi-Phase BCI Speller Based on Sliding Control Paradigm of SSVEP

被引：6

作者：

Cao, Lei ^{[1
,2
]}

Liu, Tianyu ^{[1
]}

Hou, Lusong ^{[2
]}

Wang, Zijian ^{[2
]}

Fan, Chunjiang ^{[3
]}

Li, Jie ^{[2
]}

Wang, Haoran ^{[1
,2
]}

机构：

[1] Shanghai Maritime Univ, Sch Informat & Engn, Dept Comp Sci & Technol, Shanghai 201306, Peoples R China

[2] Tongji Univ, Dept Comp Sci & Technol, Shanghai 201804, Peoples R China

[3] Wuxi Rehabil Hosp, Wuxi 214043, Jiangsu, Peoples R China

来源：

IEEE ACCESS | 2019年 / 7卷

基金：

中国国家自然科学基金;

关键词：

BCI; speller; multi-phase; sliding control paradigm; SSVEP; BRAIN; INTERFACE;

D O I：

10.1109/ACCESS.2019.2941642

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Speller had been proved that it's a kind of well interactive manners for brain computer interface (BCI) system. In this study, we proposed a novel steady-state visual evoked potential (SSVEP) BCI speller developed for numerical input. Based on a previous off-line method of SSVEP recognition, a sliding control protocol was used for our real-time spelling task. For ten subjects, on-line experiments of 10 consecutive number inputs were conducted for two different control conditions. In contrast to traditional static protocol of multi-phase SSVEP signal extraction, the average information transmission rate (ITR) of sliding control protocol reached 23.45 bits/min, higher than that of traditional static protocol (19.85 bits/min). The results showed the validity and high-efficiency of sliding control paradigm for a real-time multi-phase SSVEP speller.

引用

页码：133974 / 133981

页数：8

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