Optimal channel selection using covariance matrix and cross-combining region in EEG-based BCI.
Yongkoo ParkWonzoo ChungPublished in: BCI (2019)
Keyphrases
- covariance matrix
- brain computer interface
- motor imagery
- covariance matrices
- principal component analysis
- sample size
- gaussian mixture
- mahalanobis distance
- eeg data
- signal processing
- objective function
- event related potentials
- geometrical interpretation
- pseudo inverse
- estimation error
- healthy subjects
- brain signals
- worst case
- eigenvalues and eigenvectors
- correlation matrix
- optimal solution
- positive definite
- closed form
- multivariate gaussian
- multi objective
- spinal cord injury
- brain activity
- eigendecomposition
- particle swarm optimization
- cma es
- special case