The robust extracting of evoked potential (EP) has become a vexed question in the process of electroencephalogram owing to the faint signal-to-noise ratio of EP. This paper presents the single trial of EP in time, transform and space field. Several methods such as adaptive filter, wavelet transform, principal component analysis (PCA) and independent component analysis (ICA) have been applied to the process of EP.
Algorithms ; Brain ; physiology ; Electroencephalography ; methods ; Evoked Potentials ; Humans ; Principal Component Analysis ; Signal Processing, Computer-Assisted