REDUCING NONSTATIONARY EFFECTS ON MOTOR IMAGERY BCI USING CONSTANT-Q FBCSP

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MOHAMMADI RAHELEH; Mahloojifar ali; Coyle Damien

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Seminar Paper

Paper Information

Seminar: IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING
Year:2012 | Issue:19

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Title

REDUCING NONSTATIONARY EFFECTS ON MOTOR IMAGERY BCI USING CONSTANT-Q FBCSP

Author(s)

MOHAMMADI RAHELEH | Mahloojifar ali | Coyle Damien

Keywords

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Abstract

ELECTROENCEPHALOGRAM (EEG) SIGNALS USED IN BRAIN COMPUTER INTERFACES (BCIS) CHANGE OVER TIME, BOTH WITHIN A SINGLE SESSION AND BETWEEN SESSIONS. FACTORS SUCH AS CHANGE IN STRATEGY BY THE USER, SENSORIMOTOR LEARNING, USER FATIGUE, SMALL DIFFERENCES IN ELECTRODE POSITION AND MUSCULAR ACTIVITY RESULT IN NONSTATIONARY EEG DYNAMICS. DEALING WITH THESE CHARACTERISTICS WHEN TRANSFERRING FROM THE CALIBRATION TO A FEEDBACK SESSION IS A CHALLENGING BUT CRITICAL ISSUE IN BCI APPLICATIONS. TO COPE WITH THIS PROBLEM, A FRAMEWORK BASED ON CONSTANT-Q FILTER BANK COMMON SPATIAL PATTERNS (FBCSP) AND LINEAR DISCRIMINANT ANALYSIS (LDA) IS PROPOSED. THIS FRAMEWORK HAS BEEN APPLIED ON DATASET IVC FROM THE BCI COMPETITION III. RESULTS SHOW THAT THE PROPOSED METHOD COMPARES FAVORABLY WITH AN ADAPTIVE FRAMEWORK SUCH AS COVARIATE SHIFT ADAPTATION IN TACKLING THE NONSTATIONARITY IN BCIS

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APA: Copy

MOHAMMADI, RAHELEH, Mahloojifar, ali, & Coyle, Damien. (2012). REDUCING NONSTATIONARY EFFECTS ON MOTOR IMAGERY BCI USING CONSTANT-Q FBCSP. IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING. SID. https://sid.ir/paper/926865/en

Vancouver: Copy

MOHAMMADI RAHELEH, Mahloojifar ali, Coyle Damien. REDUCING NONSTATIONARY EFFECTS ON MOTOR IMAGERY BCI USING CONSTANT-Q FBCSP. 2012. Available from: https://sid.ir/paper/926865/en

IEEE: Copy

RAHELEH MOHAMMADI, ali Mahloojifar, and Damien Coyle, “REDUCING NONSTATIONARY EFFECTS ON MOTOR IMAGERY BCI USING CONSTANT-Q FBCSP,” presented at the IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING. 2012, [Online]. Available: https://sid.ir/paper/926865/en

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