ECG data compression techniques-a unified approach
Citations
31 citations
Cites methods from "ECG data compression techniques-a u..."
...The DPCM quantization has been applied to zero-sequence grouped DCT coefficients that were optimally thresholded via Regula-Falsi method....
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...A joint application of transform domain method for ECG data compression such as DCT and direct method such as efficient zero sequence grouping followed by optimum differential pulse code modulation (DPCM) encoding and ASCII coding provides a breakeven point between CR and PRD....
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...In this paper, an algorithm based on joint use DCT domain, zero sequence encoding, DPCM quantization and ASCII encoding is presented to improve the ECG data compression efficiency along with the efficient inherent encryption....
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...The third stage converts the Huffman decoded samples back to m-bit quantization levels from 8-bit data type, followed by DPCM based decoding....
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...6-bit encoding of DPCM coefficient 35 38 42 39 41 40 41 41 Index 1 2 3 4 5 6 7 8 8-bit encoding of 6-bit DPCM coefficient 142 106 167 166 138 105 Index 1 2 3 4 5 6 Huffman coding and ASCII encoding For the final process of compression, Huffman coding along with the ASCII encoding has been utilized....
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31 citations
Cites background or methods from "ECG data compression techniques-a u..."
...[12] use distributed CS for adjacent beats of ECG....
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...Although there are many papers addressing the problem of ECG compression [10-19], only a few studies have been published in the specific area of ECG signal compression using CS....
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30 citations
Cites methods from "ECG data compression techniques-a u..."
...A residual signal is then generated by subtracting the actual sample values from the predicted ones and the difference is quantized and encoded [2]....
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30 citations
Cites background from "ECG data compression techniques-a u..."
...The system is intended to provide the following functions: i) monitoring of the health parameters in order to detect an emergency; and ii) providing medical assistance in cases of emergency....
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...Summarizing remarks will be given in Section V....
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30 citations
Cites methods from "ECG data compression techniques-a u..."
...…methods, namely peakpeaking, cycle-pool-based compression (CPBC), linear prediction and neural network based methods, the extraction of a set of useful parameters from the original signal is carried out and the same are used in the reconstruction process (Sateh et al. 1990, Skordalakis 1996)....
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References
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