Stabilized hard thresholding of wavelet-vaguelette decomposition coefficients in reconstructing tomographic images using projections with correlated noise

DOI10.3103/S0278641919030063zbMath1448.92114OpenAlexW2970674421MaRDI QIDQ2287404

O. V. Shestakov

Publication date: 20 January 2020

Published in: Moscow University Computational Mathematics and Cybernetics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3103/s0278641919030063

zbMATH Keywords

waveletsRadon transformcorrelated noisethresholdingunbiased risk estimator

Mathematics Subject Classification ID

Biomedical imaging and signal processing (92C55) Numerical methods for wavelets (65T60)

Cites Work

• Nonlinear solution of linear inverse problems by wavelet-vaguelette decomposition
• On the asymptotic normality of sequences of weak dependent random variables
• Wavelet methods for a weighted sparsity penalty for region of interest tomography
• Noise reduction by wavelet thresholding
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