Feature Selection and Classifier Parameters Estimation for EEG Signals Peak Detection Using Particle Swarm Optimization

Table 2

Equations and descriptions of peak features.

Peak feature	Equation	Description
Amplitudes		Amplitude between the magnitude of peak and the magnitude of valley at the first half wave
		Amplitude between the magnitude of peak and the magnitude of valley of the second half wave
		Amplitude between the magnitude of peak and the magnitude of turning point at the first half wave
		Amplitude between the magnitude of peak and the magnitude of turning point at the second half wave
		Amplitude between the magnitude of peak and the magnitude of moving average
Widths		Width between valley point of first half point and valley point at second half wave
		Width between peak point and valley point at first half wave
		Width between peak point and valley point of second half wave
		Width between turning point at first half wave and turning point at the second half wave
		Width between half point of first half wave and half point of second half wave
Slopes		Slope between a peak point and valley point at the first half wave
		Slope between a peak point and valley point at the second half wave
		The slope between peak point and turning point at the first half wave
		The slope between peak point and turning point at the second half wave