Time-frequency matching of warped depth-EEG seizure observations

被引：11
|
作者：
Wendling, F
Shamsollahi, MB
Badier, JM
Bellanger, JJ
机构：
[1] Univ Rennes 1, Lab Traitement Signal & Image, INSERM, F-35042 Rennes, France
[2] Univ Mediterranee, Lab Neurophysiol & Neuropsychol, INSERM, F-13385 Marseille 5, France
来源：
IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING | 1999年 / 46卷 / 05期
关键词：
electroencephalography (EEG; epilepsy; matching; reproducibility; seizure; signal processing; time-frequency;
D O I：
10.1109/10.759060
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
A methodology of comparing depth-EEG seizure recordings is presented. The approach is based on an extension of Wagner and Fischer's algorithm to N x 2-dimensional sets, allowing a confrontation of nonequal duration observations characterized by their time-frequency distributions, It proceeds by time and frequency warping on the first observation to match the second, under cost constraints. Preliminary results show that relevant signatures can be extracted from recordings.
引用
收藏
页码：601 / 605
页数：5
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