Table 1.

Feature extraction approaches

Approach	Classifier	Linear model	Regularization penalty	Minimization technique	Lambda
ICA	MATLAB fitclinear fivefold cross-validation	Logistic	Lasso (L1)	SpaRSA	Optimized in-function (30 times per iteration)
ST	MATLAB fitclinear fivefold cross-validation	Logistic	Ridge (L2)	Stochastic Gradient Descent	Optimized in-function (30 times per iteration)