EEG MI Trial Input

Unpertubted Channel Set

DFT Conversion to Frequency

X(f) = DFT[x(t)]

Fourier Coefficient Pertubation

X'(f) = ... (complex formula)

Positions p and

IDFT Back to x' IDPT[...]

IDFT Back to Time Domain

Differential Evolution Optimization

Candidate Solutions G = F(g) = ||y_c true - y_c ...||^n

Selection Next Channel?

Channel-wise Iteration Next Channel?

YES

NO