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

Authors:
R. Benzid;A. Messaoudi;A. Boussaad
Affiliations:
Department of Electronics, Faculty of Science and Engineering, University of M'Sila, 28000 M'Sila, Algeria;Department of Electronics, Faculty of Science and Engineering, University of Bordj Bou Arréridj, 34000 Bordj Bou Arréridj, Algeria;Department of Mathematics, Faculty of Science, University of Batna, 05000 Batna, Algeria
Venue:
Digital Signal Processing
Year:
2008

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Abstract

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.