Euclid in a Taxicab: Sparse Blind Deconvolution with Smoothed Regularization

A Repetti, MQ Pham, L Duval… - IEEE signal …, 2014 - ieeexplore.ieee.org
The ℓ 1/ℓ 2 ratio regularization function has shown good performance for retrieving sparse
signals in a number of recent works, in the context of blind deconvolution. Indeed, it benefits …

An advanced scheme for range ambiguity suppression of spaceborne SAR based on blind source separation

S Chang, Y Deng, Y Zhang, Q Zhao… - … on Geoscience and …, 2022 - ieeexplore.ieee.org
Due to the minimum antenna area constraints of synthetic aperture radar (SAR), high-
resolution and wide-swath (HRWS) imaging is difficult to be achieved using classical modes …

Semi-blind deconvolution for resolution enhancement in ultrasound imaging

R Morin, S Bidon, A Basarab… - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
In the field of ultrasound imaging, resolution enhancement is an up-to-date challenging task.
Many device-based approaches have been proposed to overcome the low resolution nature …

A fast algorithm for sparse multichannel blind deconvolution

K Nose-Filho, AK Takahata, R Lopes, JMT Romano - Geophysics, 2016 - library.seg.org
We have addressed blind deconvolution in a multichannel framework. Recently, a robust
solution to this problem based on a Bayesian approach called sparse multichannel blind …

A primal-dual proximal algorithm for sparse template-based adaptive filtering: Application to seismic multiple removal

MQ Pham, L Duval, C Chaux… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Unveiling meaningful geophysical information from seismic data requires to deal with both
random and structured “noises”. As their amplitude may be greater than signals of interest …

3D multi-energy deconvolution electron microscopy

M de Goede, E Johlin, B Sciacca, F Boughorbel… - Nanoscale, 2017 - pubs.rsc.org
Three-dimensional (3D) characterization of nanomaterials is traditionally performed by
either cross-sectional milling with a focused ion beam (FIB), or transmission electron …

[PDF][PDF] Lacol interpolation bicubic spline method in digital processing of geophysical signals

H Zaynidinov, S Bahromov, B Azimov… - Advances in Science …, 2021 - researchgate.net
The paper a cubic spline built through a local base spline and the local interpolation bicubic
spline models we offer have been selected. The construction details of the models are given …

A penalty function promoting sparsity within and across groups

I Bayram, S Bulek - IEEE Transactions on Signal Processing, 2017 - ieeexplore.ieee.org
We introduce a new penalty function that promotes signals composed of a small number of
active groups, where within each group, only a few high magnitude coefficients are nonzero …

Single-Channel Blind Source Separation using Adaptive Mode Separation-Based Wavelet Transform and Density-Based Clustering with Sparse Reconstruction

M Kemiha, A Kacha - Circuits, Systems, and Signal Processing, 2023 - Springer
In this paper, the problem of single-channel blind source separation (SCBSS) is addressed
using a novel approach that combines the adaptive mode separation-based wavelet …

Enhancing Seismic Resolution via Hyperbolic Spaces S Transform

M Zhang, J Gao, Z Wang, Y Yang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
High-resolution seismic data allows us to better characterize the reservoir and detect the
hydrocarbon. To improve the resolution of seismic data, in this article, we extend the …