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Las Vegas, NV, USA
Aug. 16, 2005 to Aug. 18, 2005
ISBN: 0-7695-2358-7
pp: 99-104
R.Shantha Selva Kumari , Mepco Schlenk Enggineering College
V. Sadasivam , Manonmanium Sundaranar University
Wavelets have emerged as powerful tools for signal coding. In this paper embedded lossless Wavelet based coder with hybrid bit scan ning is used for ECG signal coding. Experimental results show that this algorithm outperforms than other coders such as Djohn, EZW, SPIHT, LJPEG etc exits in the literature in terms of coding efficiency by successive partitioned the wavelet coefficients in the space frequency domain and sent them using hybrid bit scanning. Since no Zero tree exists th is coder is significantly more efficient in compression, simple in implementation and in computation than the previously proposed coders. This algorithm is tes ted for thirty seven different records from MIT -BIH arrhythmia database and obtained an average percent root mean square difference as around 0.0502% to 3.5399% for an average compression ratio of 1.5:1 to 25.1429:1 and for an average bit rate of 2552.7bps to 254.5bps. A compression ratio of 8.0688:1 is achieved for MIT -BIH arrhythmia database record 117 with a percent mean square difference as 0.5183% and bit rate as 909.8bps using Bior6.8 wavelet. All clinical information is preserved after compression an d this makes the algorithm an attractive choice for use in portable heart monitoring systems.
ECG signal Coding/Decoding, Bior6.8 wavelet, SPZC, Parallel Processing, MIT-BIH arrhythmia database
R.Shantha Selva Kumari, V. Sadasivam, "Performance Analysis of Embedded Lossless Wavelet Based Successive Partition Zero Coder for ECG Signal Coding", ICCIMA, 2005, Proceedings. Sixth International Conference on Computational Intelligence and Multimedia Applications, Proceedings. Sixth International Conference on Computational Intelligence and Multimedia Applications 2005, pp. 99-104, doi:10.1109/ICCIMA.2005.44
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