2017 International Conference on Advances in Computing, Communications and Informatics (ICACCI) 2017
DOI: 10.1109/icacci.2017.8126043
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Denoising of phonocardiogram signals using variational mode decomposition

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Cited by 13 publications
(17 citation statements)
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“…This constrained optimization problem estimate the unknown n central frequencies and corresponding modes, subject to the constraint that sum of the estimated modes should be equal to the input signal [21,22]. This problem is solved using ADMM algorithm by taking the augmented Lagrangian multiplier.…”
Section: Vmd Decompositionmentioning
confidence: 99%
See 3 more Smart Citations
“…This constrained optimization problem estimate the unknown n central frequencies and corresponding modes, subject to the constraint that sum of the estimated modes should be equal to the input signal [21,22]. This problem is solved using ADMM algorithm by taking the augmented Lagrangian multiplier.…”
Section: Vmd Decompositionmentioning
confidence: 99%
“…It is observed that the denoising using GS approach, the characteristics are retained. The comparison of the denoising performance of the proposed method with VMD based denoising [21] is shown in Fig. 7.…”
Section: Fixing Of and Group Sparsity Window Size K 1 And Kmentioning
confidence: 99%
See 2 more Smart Citations
“…Frequency domain methods are preferred since they contain adequate information on the spectral characteristics of the PCG signal components [ 9 ]. Among the frequency domain approaches, the most commonly used techniques are Empirical Mode Decomposition (EMD) [ 10 , 11 ], Variational Mode Decomposition (VMD) [ 12 ], Singular Spectrum Analysis (SSA) [ 13 ], and Tunable Q-Wavelet Transform [ 14 ]. Although these techniques give an efficient performance, the computational time is high.…”
Section: Introductionmentioning
confidence: 99%