Elias Salomão Helou Neto

According to our database, Elias Salomão Helou Neto authored at least 25 papers between 2005 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2023

A primal nonsmooth reformulation for bilevel optimization problems.

Elias S. Helou, Sandra A. Santos, Lucas E. A. Simões

Math. Program., April, 2023

A Markovian Incremental Stochastic Subgradient Algorithm.

Rafael Massambone, Eduardo Fontoura Costa, Elias Salomão Helou

IEEE Trans. Autom. Control., 2023

2022

A scalable method for the estimation of spatial disaggregation models.

Arthur Nicolaus Fendrich, Elias Salomão Helou Neto, Lucas Esperancini Moreira e Moreira, Durval Dourado Neto

Comput. Geosci., 2022

2021

Derivative-free superiorization: principle and algorithm.

Yair Censor, Edgar Garduño, Elias S. Helou, Gabor T. Herman

Numer. Algorithms, 2021

Unbiased Bregman-Risk Estimators: Application to Regularization Parameter Selection in Tomographic Image Reconstruction.

Elias S. Helou, Sandra A. Santos, Lucas E. A. Simões

CoRR, 2021

2020

A New Sequential Optimality Condition for Constrained Nonsmooth Optimization.

Elias S. Helou, Sandra A. Santos, Lucas E. A. Simões

SIAM J. Optim., 2020

Analysis of a New Sequential Optimality Condition Applied to Mathematical Programs with Equilibrium Constraints.

Elias S. Helou, Sandra A. Santos, Lucas E. A. Simões

J. Optim. Theory Appl., 2020

Fast Proximal Gradient Methods for Nonsmooth Convex Optimization for Tomographic Image Reconstruction.

Elias S. Helou, Marcelo V. W. Zibetti, Gabor T. Herman

CoRR, 2020

2019

Monotone FISTA With Variable Acceleration for Compressed Sensing Magnetic Resonance Imaging.

Marcelo Victor Wüst Zibetti, Elias Salomão Helou, Ravinder R. Regatte, Gabor T. Herman

IEEE Trans. Computational Imaging, 2019

String-averaging incremental stochastic subgradient algorithms.

R. M. Oliveira, Elias S. Helou, Eduardo F. Costa

Optim. Methods Softw., 2019

The Discrete Fourier Transform for Golden Angle Linogram Sampling.

Elias S. Helou, Marcelo V. W. Zibetti, Leon Axel, Kai Tobias Block, Ravinder R. Regatte, Gabor T. Herman

CoRR, 2019

2018

A Backprojection Slice Theorem for Tomographic Reconstruction.

Eduardo X. Miqueles, Nikolay A. Koshev, Elias S. Helou

IEEE Trans. Image Process., 2018

A fast gradient and function sampling method for finite-max functions.

Elias Salomão Helou, Sandra A. Santos, Lucas E. A. Simões

Comput. Optim. Appl., 2018

2017

Accelerating Overrelaxed and Monotone Fast Iterative Shrinkage-Thresholding Algorithms With Line Search for Sparse Reconstructions.

Marcelo Victor Wüst Zibetti, Elias S. Helou, Daniel R. Pipa

IEEE Trans. Image Process., 2017

On the Local Convergence Analysis of the Gradient Sampling Method for Finite Max-Functions.

Elias Salomão Helou, Sandra A. Santos, Lucas E. A. Simões

J. Optim. Theory Appl., 2017

2016

On the differentiability check in gradient sampling methods.

Elias Salomão Helou, Sandra A. Santos, Lucas E. A. Simões

Optim. Methods Softw., 2016

Image Restoration Using Gradient Iteration and Constraints for Band Extrapolation.

Moacir Ponti, Elias S. Helou, Paulo Jorge S. G. Ferreira, Nelson D. A. Mascarenhas

IEEE J. Sel. Top. Signal Process., 2016

2015

Accelerating the over-relaxed iterative shrinkage-thresholding algorithms with fast and exact line search for high resolution tomographic image reconstruction.

Marcelo Victor Wüst Zibetti, Elias S. Helou, Eduardo X. Miqueles, Alvaro R. De Pierro

Proceedings of the 2015 IEEE International Conference on Image Processing, 2015

2014

Similarity Preserving Snippet-Based Visualization of Web Search Results.

Erick Gomez Nieto, Frizzi San Roman, Paulo A. Pagliosa, Wallace Casaca, Elias S. Helou, Maria Cristina Ferreira de Oliveira, Luis Gustavo Nonato

IEEE Trans. Vis. Comput. Graph., 2014

String-Averaging Expectation-Maximization for Maximum Likelihood Estimation in Emission Tomography.

Elias Salomão Helou Neto, Yair Censor, T.-B. Chen, I.-L. Chern, Alvaro R. De Pierro, Ming Jiang, H. H.-S. Lu

CoRR, 2014

2013

Mesh-Free Discrete Laplace-Beltrami Operator.

Fabiano Petronetto, Afonso Paiva, Elias S. Helou, David E. Stewart, Luis Gustavo Nonato

Comput. Graph. Forum, 2013

2009

Incremental algorithms with applications to computerized tomography.

Elias Salomão Helou Neto

PhD thesis, 2009

Incremental Subgradients for Constrained Convex Optimization: A Unified Framework and New Methods.

Elias Salomão Helou Neto, Alvaro R. De Pierro

SIAM J. Optim., 2009

From convex feasibility to convex constrained optimization using block action projection methods and underrelaxation.

Alvaro R. De Pierro, Elias Salomão Helou Neto

Int. Trans. Oper. Res., 2009

2005

On the Effect of Relaxation in the Convergence and Quality of Statistical Image Reconstruction for Emission Tomography Using Block-Iterative Algorithms.

Elias Salomão Helou Neto, Alvaro R. De Pierro

Proceedings of the 18th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2005), 2005