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Valovito uklanjanje šuma iz signala (meko pragovanje)×Empirijska dekompozicija načina (EMD)×
PodručjeObrada signalaObrada signala
ObiteljMachine learningMachine learning
Godina nastanka19951998
TvoracDavid DonohoNorden Huang et al.
VrstaNon-parametric signal estimationAdaptive data-driven decomposition algorithm
Temeljni izvorDonoho, D. L. (1995). De-noising by soft-thresholding. IEEE Transactions on Information Theory, 41(3), 613–627. DOI ↗Huang, N. E., et al. (1998). The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis. Proceedings of the Royal Society A, 454(1971), 903–995. DOI ↗
Drugi naziviWavelet Shrinkage, Donoho-Johnstone Denoising, Soft Thresholding Denoising, Sinyal Gürültü GidermeEMD, Intrinsic Mode Decomposition, Adaptive Signal Decomposition, Ampirik Mod Ayrıştırma
Srodne33
SažetakWavelet signal denoising, introduced by David Donoho in 1995, is a non-parametric technique that removes noise from one-dimensional or multidimensional signals by decomposing them into wavelet coefficients, suppressing small coefficients that likely represent noise via a soft-thresholding operator, and reconstructing a smooth estimate. It is widely used in biomedical signal processing, geophysics, audio engineering, and image analysis where the underlying signal is assumed to be sparse or piecewise smooth.Empirical Mode Decomposition (EMD) is a fully data-driven, adaptive method for decomposing nonlinear and non-stationary time series into a finite set of oscillatory components called Intrinsic Mode Functions (IMFs), plus a monotonic residue. Introduced by Norden E. Huang and colleagues at NASA in 1998, EMD requires no predefined basis functions and derives all components directly from the signal itself, making it fundamentally different from Fourier or wavelet transforms.
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ScholarGateUsporedite metode: Signal Denoising · Empirical Mode Decomposition. Preuzeto 2026-06-19 s https://scholargate.app/hr/compare