EEG DATA-COMPRESSION WITH SOURCE-CODING TECHNIQUES

被引:6
|
作者
HINRICHS, H
机构
[1] Department of Neurology and Clinical Neurophysiology, Medical School of Hannover, D 3000 Hannover 61
来源
JOURNAL OF BIOMEDICAL ENGINEERING | 1991年 / 13卷 / 05期
关键词
EEG; DATA COMPRESSION;
D O I
10.1016/0141-5425(91)90024-2
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
A data compression algorithm for the EEG, derived from the adaptive pulse code modulation scheme, is described where the consecutively computed differences are coded by passing them through a quantizer possessing only a few levels; the range of these levels is adapted to local signal statistics. Three different versions of the algorithm with data reduction up to 75% are presented. The system was validated using several multichannel routine EEG recordings with both visual evaluation and computation of signal-to-noise ratios.
引用
收藏
页码:417 / 423
页数:7
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