ECG data compression using cut and align beats approach and 2-D transforms

作     者：Lee, H Buckley, KM 

作者机构：Villanova Univ Dept Elect & Comp Engn Villanova PA 19085 USA Univ Minnesota Dept Elect Engn Minneapolis MN 55455 USA 

出 版 物：《IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING》 (IEEE Trans. Biomed. Eng.)

年 卷 期：1999年第46卷第5期

页      面：556-564页

核心收录：

学科分类：0831[工学-生物医学工程（可授工学、理学、医学学位）] 0808[工学-电气工程] 08[工学] 

主　　题：beat-to-beat correlation coding gain cut and align data compression electrocardiogram (ECG transform coding two-dimensional discrete cosine transform (2-D DCT 

摘      要：A new electrocardiogram (ECG) data compression method is presented which employs a two dimensional (2-D) transform, This 2-D transform method utilizes the fact that ECG signals generally show two types of redundancies-between adjacent heartbeats and between adjacent samples, A heartbeat data sequence is cut and beat-aligned to form a 2-D data array. Any 2-D compression method can then be applied. Transform coding using the 2-D discrete cosine transform (DCT) [2-D DCT] is employed here as an example, Using selections from the MIT-BIH arrhythmia and Medtronic databases, results are presented that illustrate substantial improvement in compression ratio over one-dimensional methods for comparable percent root-mean-square difference (PRD).