A study on information transfer rate by brain-computer interface (BCI) using functional near-infrared spectroscopy (fNIRS)

Author

Jaeyoung Shin ; Sungyong Kang ; Minkyu Sung ; Joohwan Kim ; Yongjung Kim ; Jihyun Kim ; Jichai Jeong

Author_Institution

Dept. of Comput. & Radio Commun. Eng., Korea Univ., Seoul, South Korea

fYear

2013

fDate

18-20 Feb. 2013

Firstpage

32

Lastpage

33

Abstract

We develop an 8-channel time domain functional near-infrared spectroscopy (fNIRS) system and measure concentration changes of hemoglobin during left/right arm lifting. Correlation-based signal improvement (CBSI) method is used to remove the effect of the head movement. We investigate the performances of the information transfer rate as a function of classification accuracy estimated by support vector machine. We achieve the information transfer rate in the range of 0.28~2.08 bits/min.

Keywords

brain-computer interfaces; infrared spectra; medical signal processing; signal classification; support vector machines; 8-channel time domain fNIRS system; BCI; CBSI; brain-computer interface; classification accuracy; correlation-based signal improvement; functional near-infrared spectroscopy; hemoglobin concentration change; information transfer rate; left-right arm lifting; support vector machine; Accuracy; Brain-computer interfaces; Educational institutions; Instruments; Spectroscopy; Support vector machines; Time-domain analysis; Brain-computer interface; Classification; Information transfer rate; Support vector machine; fNIRS;

fLanguage

English

Publisher

ieee

Conference_Titel

Brain-Computer Interface (BCI), 2013 International Winter Workshop on

Conference_Location

Gangwo

Print_ISBN

978-1-4673-5973-3

Type

conf

DOI

10.1109/IWW-BCI.2013.6506620

Filename

6506620