Transfer Kernel Common Spatial Patterns for Motor Imagery Brain-Computer Interface Classification

Algorithm 3

Transfer kernel common spatial pattern algorithm.

Input: Data .

Output: Common Spatial Patterns .

(1) Compute transfer kernel by Algorithm 2.

(2) Compute spatial covariance matrix , .

And the total spatial covariance matrix is .

(3) Eigen decomposition ;

whitening transformation .

(4) Transform covariance matrices

and eigen decomposition .

(5) Construct the spatial filter .