Alvaro R. De Pierro

33 papers B 1Journal 27Unranked 5
YearRankTypeTitle / Venue / Authors
2019 J jnl
A Telescopic Bregmanian Proximal Gradient Method Without the Global Lipschitz Continuity Assumption.
J. Optim. Theory Appl.
Daniel Reem, Simeon Reich, Alvaro R. De Pierro
2018 J jnl
BISTA: a Bregmanian proximal gradient method without the global Lipschitz continuity assumption.
CoRR
Daniel Reem, Simeon Reich, Alvaro R. De Pierro
2018 J jnl
Re-examination of Bregman functions and new properties of their divergences.
CoRR
Daniel Reem, Simeon Reich, Alvaro R. De Pierro
2017 J jnl
Improving compressive sensing in MRI with separate magnitude and phase priors.
Multidimens. Syst. Signal Process.
Marcelo V. W. Zibetti, Alvaro R. De Pierro
2016 J jnl
Fast and exact unidimensional L2-L1 optimization as an accelerator for iterative reconstruction algorithms.
Digit. Signal Process.
Marcelo Victor Wüst Zibetti, Daniel R. Pipa, Alvaro R. De Pierro
2015 J jnl
A new convergence analysis and perturbation resilience of some accelerated proximal forward-backward algorithms with errors.
CoRR
Daniel Reem, Alvaro R. De Pierro
2015 B conf
Accelerating the over-relaxed iterative shrinkage-thresholding algorithms with fast and exact line search for high resolution tomographic image reconstruction.
ICIP
Marcelo Victor Wüst Zibetti, Elias S. Helou, Eduardo X. Miqueles, Alvaro R. De Pierro
2014 J jnl
String-Averaging Expectation-Maximization for Maximum Likelihood Estimation in Emission Tomography.
CoRR
Elias Salomão Helou Neto, Yair Censor, Tai-Been Chen, I-Liang Chern, Alvaro R. De Pierro, Ming Jiang, Henry Horng-Shing Lu
2011 J jnl
C-library raft: Reconstruction algorithms for tomography. Applications to X-ray fluorescence tomography.
Comput. Phys. Commun.
Eduardo X. Miqueles, Alvaro R. De Pierro
2011 J jnl
Iterative Reconstruction in X-ray Fluorescence Tomography Based on Radon Inversion.
IEEE Trans. Medical Imaging
Eduardo X. Miqueles, Alvaro R. De Pierro
2010 J jnl
Iterative methods based on spline approximations to detect discontinuities from Fourier data.
J. Comput. Appl. Math.
Ana Gabriela Martínez, Alvaro R. De Pierro
2010 — conf
Separate magnitude and phase regularization in MRI with incomplete data: preliminary results.
ISBI
Marcelo Victor Wüst Zibetti, Alvaro R. De Pierro
2010 — conf
Xfct inversion by generalized ridge functions.
ISBI
Eduardo X. Miqueles, Alvaro R. De Pierro
2009 J jnl
A New Distortion Model for Strong Inhomogeneity Problems in Echo-Planar MRI.
IEEE Trans. Medical Imaging
Marcelo Victor Wüst Zibetti, Alvaro R. De Pierro
2009 J jnl
From convex feasibility to convex constrained optimization using block action projection methods and underrelaxation.
Int. Trans. Oper. Res.
Alvaro R. De Pierro, Elias Salomão Helou Neto
2009 J jnl
Incremental Subgradients for Constrained Convex Optimization: A Unified Framework and New Methods.
SIAM J. Optim.
Elias Salomão Helou Neto, Alvaro R. De Pierro
2009 J jnl
Preface.
Int. Trans. Oper. Res.
Hugo D. Scolnik, Alvaro R. De Pierro, Nélida E. Echebest, Maria T. Guardarucci
2008 J jnl
Approximating Functions From Sampled Fourier Data Using Spline Pseudofilters.
IEEE Trans. Signal Process.
Ana Gabriela Martínez, Alvaro R. De Pierro
2008 — conf
Fluorescence tomography: Reconstruction by iterative methods.
ISBI
Eduardo X. Miqueles, Alvaro R. De Pierro
2005 J jnl
Iterative methods based on polynomial interpolation filters to detect discontinuities and recover point values from Fourier data.
IEEE Trans. Signal Process.
Musheng Wei, Alvaro R. De Pierro, Jiahong Yin
2005 — conf
On the Effect of Relaxation in the Convergence and Quality of Statistical Image Reconstruction for Emission Tomography Using Block-Iterative Algorithms.
SIBGRAPI
Elias Salomão Helou Neto, Alvaro R. De Pierro
2005 — conf
Simultaneous activity attenuation reconstruction in positron emission tomography via maximum likelihood and iterative methods.
ICIP (3)
Alvaro R. De Pierro, Fabiana Crepaldi
2004 J jnl
Error Estimates for Two Filters Based on Polynomial Interpolation for Recovering a Function from Its Fourier Coefficients.
Numer. Algorithms
Musheng Wei, Alvaro R. De Pierro, Jiahong Yin
2001 J jnl
Fast EM-like Methods for Maximum 'A Posteriori' Estimates in Emission Tomography.
IEEE Trans. Medical Imaging
Alvaro R. De Pierro, Michel E. B. Yamagishi
2000 J jnl
Upper Perturbation Bounds of Weighted Projections, Weighted and Constrained Least Squares Problems.
SIAM J. Matrix Anal. Appl.
Musheng Wei, Alvaro R. De Pierro
1999 J jnl
Reconstruction of a compactly supported function from the discrete sampling of its Fourier transform.
IEEE Trans. Signal Process.
Jiahong Yin, Alvaro R. De Pierro, Musheng Wei
1996 J jnl
A row-action alternative to the EM algorithm for maximizing likelihood in emission tomography.
IEEE Trans. Medical Imaging
Jolyon A. Browne, Alvaro R. De Pierro
1995 J jnl
A modified expectation maximization algorithm for penalized likelihood estimation in emission tomography.
IEEE Trans. Medical Imaging
Alvaro R. De Pierro
1995 J jnl
On the convergence of an EM-type algorithm for penalized likelihood estimation in emission tomography.
IEEE Trans. Medical Imaging
Alvaro R. De Pierro
1993 J jnl
Convergence Properties of Iterative Methods for Symmetric Positive Semidefinite Linear Complementarity Problems.
Math. Oper. Res.
Alvaro R. De Pierro, Alfredo N. Iusem
1992 J jnl
On methods for maximum a posteriori image reconstruction with a normal prior.
J. Vis. Commun. Image Represent.
Gabor T. Herman, Alvaro R. De Pierro, Neville D. Gai
1991 J jnl
On the convergence of Han's method for convex programming with quadratic objective.
Math. Program.
Alfredo N. Iusem, Alvaro R. De Pierro
1990 J jnl
On the Convergence Properties of Hildreth's Quadratic Programming Algorithm.
Math. Program.
Alfredo N. Iusem, Alvaro R. De Pierro