Constrained ECG compression algorithm using the block-based discrete cosine transform

Presented is a novel method dedicated to ECG compression. It uses the block-based discrete cosine transform (DCT) and considers the percent root-mean-square difference (PRD) as a controlled quality criterion. The simple and efficient resulting lookup table coding in coordination with the non-zero re...

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Bibliographic Details
Published in:Digital signal processing 2008, Vol.18 (1), p.56-64
Main Authors: Benzid, R., Messaoudi, A., Boussaad, A.
Format: Article
Language:English
Subjects:
Discrete cosine transform
Electrocardiogram compression
Quality-controlled
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Summary:Presented is a novel method dedicated to ECG compression. It uses the block-based discrete cosine transform (DCT) and considers the percent root-mean-square difference (PRD) as a controlled quality criterion. The simple and efficient resulting lookup table coding in coordination with the non-zero resulting DCT coefficients adaptive linear quantization, proffer to the method a high performance. The experiments carried out on the MIT-BIH arrhythmia records point out its effectiveness and classify it as a valid concurrent to some recently published powerful methods.
ISSN:1051-2004
1095-4333
DOI:10.1016/j.dsp.2007.08.003