Two level PCA to reduce noise and EEG from evoked potential signals.
Ramaswamy PalaniappanS. AnandanParamesran RaveendranPublished in: ICARCV (2002)
Keyphrases
- eeg signals
- brain activity
- signal processing
- principal component analysis
- independent component analysis
- single trial
- single channel
- principle component analysis
- low signal to noise ratio
- white noise
- eeg data
- brain computer interface
- signal detection
- active learning
- signal to noise ratio
- noisy environments
- signal acquisition
- motor imagery
- electrical activity
- random noise
- noise reduction
- noisy data
- principal components analysis
- noise model
- noise level
- low dimensional
- evoked potentials
- high dimensional
- bandpass
- frequency band
- high frequency
- physiological signals
- non stationary
- hand movements
- face images
- feature extraction