Approach to feature extraction of ERP
- VernacularTitle:事件相关电位特征提取方法研究
- Author:
Haiyun LI
;
Huagang YAN
;
Zhenming LI
- Publication Type:Journal Article
- Keywords:
ERP;
multiresolution analysis;
neural network;
function approximation
- From:
Chinese Medical Equipment Journal
2004;0(08):-
- CountryChina
- Language:Chinese
-
Abstract:
Feature extraction of event related potential (ERP) plays an important part in both fundamental and clinical researches for cerebral neurophysiology.Based on the prior knowledge of feature distribution of ERP,this paper introduces an approach to feature extraction of ERP from composite EEG,which is combined with wavelet multiresolution analysis (MRA) and radial basis function neural network (RBFNN).The components related to low-frequency response can be extracted from the wavelet decomposition coefficients by RBFNN.Then signal reconstruction is implemented to obtain the feature of ERP.Experimental result demonstrates that the approach is reliable.
