Time-frequency analysis of electroencephalogram series .2. Gabor and wavelet transforms

被引：42

作者：

Blanco, S ^{[1
]}

DAttellis, CE ^{[1
]}

Isaacson, SI ^{[1
]}

Rosso, OA ^{[1
]}

Sirne, RO ^{[1
]}

机构：

[1] UNIV BUENOS AIRES,FAC INGN,DEPT MATEMAT,RA-1063 BUENOS AIRES,DF,ARGENTINA

来源：

PHYSICAL REVIEW E | 1996年 / 54卷 / 06期

关键词：

D O I：

10.1103/PhysRevE.54.6661

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

In this paper we compare two methods, based on the Gabor and wavelet transforms, to quantify and visualize the time evolution of frequency contents of electroencephalogram (EEG) time series. We found an optimal correlation between EEG visual inspection and the proposed methods in the characterization of the frequency and energy content of characteristic activity during an epileptic seizure. The quasimonofrequency behavior observed in the epileptic EEG series, in a previous work using a Gabor analysis [J. Inst. Electr. Eng. 93, 429 (1946)], is confirmed with the analysis using a wavelet. Moreover, the method based on the wavelet transform allows us to build a detector of epileptic events. Both methods are exemplified with EEG series obtained with depth electrodes in refractory epileptic patients.

引用

页码：6661 / 6672

页数：12

共 19 条

[1] TIME-FREQUENCY ANALYSIS OF ELECTROENCEPHALOGRAM SERIES
BLANCO, S
QUIROGA, RQ
ROSSO, OA
KOCHEN, S
[J]. PHYSICAL REVIEW E, 1995, 51 (03): : 2624 - 2631
[2] BLANCO S, IN PRESS IEEE ENG ME
[3] Chui C.K., 1992, An introduction to wavelets, V1, DOI DOI 10.1109/99.388960
[4] DALY DD, 1990, CURRENT PRACTICE CLI
[5] DASILVA FHL, 1987, ELECTROENCEPHALOGRAP, P871
[6] DATTELLIS CE, 1994, PROMATHEMATICA, V8, P15
[7] Daubechies I, 1992, 10 LECT WAVELETS
[8] DUMERMUTH G, 1987, HDB ELECTROENCEPHALO, V1, P85
[9] Gabor D., 1946, Journal of the Institution of Electrical Engineers-Part III: Radio and Communication Engineering, V93, P429, DOI DOI 10.1049/JI-3-2.1946.0074
[10] Gevins A., 1987, HDB ELECTROENCEPHALO, VI

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