Smoothing of spatial filter by graph Fourier transform for EEG signals.
Hiroshi HigashiToshihisa TanakaYuichi TanakaPublished in: APSIPA (2014)
Keyphrases
- fourier transform
- eeg signals
- signal processing
- frequency domain
- fast fourier transform
- fourier domain
- brain computer interface
- preprocessing step
- power spectral density
- brain activity
- discrete fourier transform
- image processing
- log polar
- radon transform
- motor imagery
- frequency spectrum
- gaussian filter
- linear filters
- polar coordinates
- extracted features
- spatial domain
- independent component analysis
- pattern recognition
- decision trees
- correlation function
- machine learning
- fourier coefficients