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ORCIDAlvaro R. De Pierro
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2010 – 2019
- 2019
[j25]Daniel Reem
, Simeon Reich, Alvaro R. De Pierro:
A Telescopic Bregmanian Proximal Gradient Method Without the Global Lipschitz Continuity Assumption. J. Optim. Theory Appl. 182(3): 851-884 (2019)- 2018
- [i4]Daniel Reem, Simeon Reich, Alvaro R. De Pierro:
Re-examination of Bregman functions and new properties of their divergences. CoRR abs/1803.00641 (2018) - [i3]Daniel Reem, Simeon Reich, Alvaro R. De Pierro:
BISTA: a Bregmanian proximal gradient method without the global Lipschitz continuity assumption. CoRR abs/1804.10273 (2018) - 2017
- [j24]Marcelo V. W. Zibetti, Alvaro R. De Pierro:
Improving compressive sensing in MRI with separate magnitude and phase priors. Multidimens. Syst. Signal Process. 28(4): 1109-1131 (2017) - 2016
- [j23]Marcelo Victor Wüst Zibetti, Daniel R. Pipa, Alvaro R. De Pierro:
Fast and exact unidimensional L2-L1 optimization as an accelerator for iterative reconstruction algorithms. Digit. Signal Process. 48: 178-187 (2016) - 2015
- [c6]Marcelo Victor Wüst Zibetti, Elias S. Helou, Eduardo X. Miqueles, Alvaro R. De Pierro:
Accelerating the over-relaxed iterative shrinkage-thresholding algorithms with fast and exact line search for high resolution tomographic image reconstruction. ICIP 2015: 2305-2308 - [i2]Daniel Reem, Alvaro R. De Pierro:
A new convergence analysis and perturbation resilience of some accelerated proximal forward-backward algorithms with errors. CoRR abs/1508.05631 (2015) - 2014
- [i1]Elias Salomão Helou Neto, Yair Censor, Tai-Been Chen, I-Liang Chern, Alvaro R. De Pierro, Ming Jiang, Henry Horng-Shing Lu:
String-Averaging Expectation-Maximization for Maximum Likelihood Estimation in Emission Tomography. CoRR abs/1402.2455 (2014) - 2011
- [j22]Eduardo X. Miqueles, Alvaro R. De Pierro:
C-library raft: Reconstruction algorithms for tomography. Applications to X-ray fluorescence tomography. Comput. Phys. Commun. 182(12): 2661-2673 (2011) - [j21]Eduardo X. Miqueles, Alvaro R. De Pierro:
Iterative Reconstruction in X-ray Fluorescence Tomography Based on Radon Inversion. IEEE Trans. Medical Imaging 30(2): 438-450 (2011) - 2010
- [j20]Ana Gabriela Martínez, Alvaro R. De Pierro:
Iterative methods based on spline approximations to detect discontinuities from Fourier data. J. Comput. Appl. Math. 234(12): 3268-3282 (2010) - [c5]Marcelo Victor Wüst Zibetti, Alvaro R. De Pierro:
Separate magnitude and phase regularization in MRI with incomplete data: preliminary results. ISBI 2010: 736-739 - [c4]Eduardo X. Miqueles, Alvaro R. De Pierro:
Xfct inversion by generalized ridge functions. ISBI 2010: 780-783
2000 – 2009
- 2009
- [j19]Hugo D. Scolnik, Alvaro R. De Pierro, Nélida E. Echebest, Maria T. Guardarucci:
Preface. Int. Trans. Oper. Res. 16(4): 411-412 (2009) - [j18]Alvaro R. De Pierro, Elias Salomão Helou Neto:
From convex feasibility to convex constrained optimization using block action projection methods and underrelaxation. Int. Trans. Oper. Res. 16(4): 495-504 (2009) - [j17]Elias Salomão Helou Neto, Alvaro R. De Pierro:
Incremental Subgradients for Constrained Convex Optimization: A Unified Framework and New Methods. SIAM J. Optim. 20(3): 1547-1572 (2009) - [j16]Marcelo Victor Wüst Zibetti, Alvaro R. De Pierro:
A New Distortion Model for Strong Inhomogeneity Problems in Echo-Planar MRI. IEEE Trans. Medical Imaging 28(11): 1736-1753 (2009) - 2008
- [j15]Ana Gabriela Martínez, Alvaro R. De Pierro:
Approximating Functions From Sampled Fourier Data Using Spline Pseudofilters. IEEE Trans. Signal Process. 56(4): 1489-1501 (2008) - [c3]Eduardo X. Miqueles, Alvaro R. De Pierro:
Fluorescence tomography: Reconstruction by iterative methods. ISBI 2008: 760-763 - 2005
- [j14]Musheng Wei, Alvaro R. De Pierro, Jiahong Yin:
Iterative methods based on polynomial interpolation filters to detect discontinuities and recover point values from Fourier data. IEEE Trans. Signal Process. 53(1): 136-146 (2005) - [c2]Alvaro R. De Pierro, Fabiana Crepaldi:
Simultaneous activity attenuation reconstruction in positron emission tomography via maximum likelihood and iterative methods. ICIP (3) 2005: 624-627 - [c1]Elias Salomão Helou Neto, Alvaro R. De Pierro:
On the Effect of Relaxation in the Convergence and Quality of Statistical Image Reconstruction for Emission Tomography Using Block-Iterative Algorithms. SIBGRAPI 2005: 13-20 - 2004
- [j13]Musheng Wei, Alvaro R. De Pierro, Jiahong Yin:
Error Estimates for Two Filters Based on Polynomial Interpolation for Recovering a Function from Its Fourier Coefficients. Numer. Algorithms 35(2-4): 205-231 (2004) - 2002
- [j12]Jiahong Yin, Alvaro Rodolfo De Pierro, Musheng Wei:
Analysis for the reconstruction of a noisy signal based on orthogonal moments. Appl. Math. Comput. 132(2-3): 249-263 (2002) - 2001
- [j11]Alvaro R. De Pierro, Michel E. B. Yamagishi:
Fast EM-like Methods for Maximum 'A Posteriori' Estimates in Emission Tomography. IEEE Trans. Medical Imaging 20(4): 280-288 (2001) - 2000
- [j10]Musheng Wei, Alvaro R. De Pierro:
Upper Perturbation Bounds of Weighted Projections, Weighted and Constrained Least Squares Problems. SIAM J. Matrix Anal. Appl. 21(3): 931-951 (2000)
1990 – 1999
- 1999
- [j9]Jiahong Yin, Alvaro R. De Pierro, Musheng Wei:
Reconstruction of a compactly supported function from the discrete sampling of its Fourier transform. IEEE Trans. Signal Process. 47(12): 3356-3364 (1999) - 1996
- [j8]Jolyon A. Browne, Alvaro R. De Pierro:
A row-action alternative to the EM algorithm for maximizing likelihood in emission tomography. IEEE Trans. Medical Imaging 15(5): 687-699 (1996) - 1995
- [j7]Alvaro R. De Pierro:
A modified expectation maximization algorithm for penalized likelihood estimation in emission tomography. IEEE Trans. Medical Imaging 14(1): 132-137 (1995) - [j6]Alvaro R. De Pierro:
On the convergence of an EM-type algorithm for penalized likelihood estimation in emission tomography. IEEE Trans. Medical Imaging 14(4): 762-765 (1995) - 1993
- [j5]Alvaro R. De Pierro, Alfredo N. Iusem:
Convergence Properties of Iterative Methods for Symmetric Positive Semidefinite Linear Complementarity Problems. Math. Oper. Res. 18(2): 317-333 (1993) - [j4]Alvaro Rodolfo De Pierro:
On the relation between the ISRA and the EM algorithm for positron emission tomography. IEEE Trans. Medical Imaging 12(2): 328-333 (1993) - 1992
- [j3]Gabor T. Herman, Alvaro R. De Pierro, Neville D. Gai:
On methods for maximum a posteriori image reconstruction with a normal prior. J. Vis. Commun. Image Represent. 3(4): 316-324 (1992) - 1991
- [j2]Alfredo N. Iusem, Alvaro R. De Pierro:
On the convergence of Han's method for convex programming with quadratic objective. Math. Program. 52: 265-284 (1991) - 1990
- [j1]Alfredo N. Iusem, Alvaro R. De Pierro:
On the Convergence Properties of Hildreth's Quadratic Programming Algorithm. Math. Program. 47: 37-51 (1990)
Coauthor Index
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