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ECG Compression using the Three-Level Quantization and Wavelet Transform

by Milad Azarbad, Ataollah Ebrahimzadeh
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 59 - Number 1
Year of Publication: 2012
Authors: Milad Azarbad, Ataollah Ebrahimzadeh
10.5120/9515-3916

Milad Azarbad, Ataollah Ebrahimzadeh . ECG Compression using the Three-Level Quantization and Wavelet Transform. International Journal of Computer Applications. 59, 1 ( December 2012), 28-38. DOI=10.5120/9515-3916

@article{ 10.5120/9515-3916,
author = { Milad Azarbad, Ataollah Ebrahimzadeh },
title = { ECG Compression using the Three-Level Quantization and Wavelet Transform },
journal = { International Journal of Computer Applications },
issue_date = { December 2012 },
volume = { 59 },
number = { 1 },
month = { December },
year = { 2012 },
issn = { 0975-8887 },
pages = { 28-38 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume59/number1/9515-3916/ },
doi = { 10.5120/9515-3916 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:04:50.445539+05:30
%A Milad Azarbad
%A Ataollah Ebrahimzadeh
%T ECG Compression using the Three-Level Quantization and Wavelet Transform
%J International Journal of Computer Applications
%@ 0975-8887
%V 59
%N 1
%P 28-38
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

The Electrocardiogram signals are a very valuable source of data for physicians in diagnosing heart abnormalities. In this paper, we present an efficient technique for compression of electrocardiogram (ECG) signals. A new thresholding method based on the three level of quantization is proposed for encoding samples using an Embedded Zero-tree Wavelet (EZW) and Huffman algorithms. The modified encoding algorithm allows an optimal data compression for a target bit rate and appeared superior to other wavelet-based ECG coders. Also, to improve the efficiency of the proposed method we propose to use different types of wavelet and compare their performances for compression of the ECG signals. Experimental results show that the proposed method has a good performance and less complexity for compression of ECG database from MIT-BIH database different types of wavelet transform.

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Index Terms

Computer Science
Information Sciences

Keywords

Discrete Wavelet Transform (DWT) EZW Huffman Coding Three-Level Quantization

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