Elias S. Helou

15 papers B 1Journal 14
YearRankTypeTitle / Venue / Authors
2026 J jnl
Inexact FISTA-like Methods with Adaptive Backtracking.
Comput. Optim. Appl.
Gabriel R. S. Grillo, Elias S. Helou, Sandra A. Santos
2023 J jnl
A primal nonsmooth reformulation for bilevel optimization problems.
Math. Program.
Elias S. Helou, Sandra A. Santos, Lucas E. A. Simões
2021 J jnl
Derivative-free superiorization: principle and algorithm.
Numer. Algorithms
Yair Censor, Edgar Garduño, Elias S. Helou, Gabor T. Herman
2021 J jnl
Unbiased Bregman-Risk Estimators: Application to Regularization Parameter Selection in Tomographic Image Reconstruction.
CoRR
Elias S. Helou, Sandra A. Santos, Lucas E. A. Simões
2020 J jnl
A New Sequential Optimality Condition for Constrained Nonsmooth Optimization.
SIAM J. Optim.
Elias S. Helou, Sandra A. Santos, Lucas E. A. Simões
2020 J jnl
Analysis of a New Sequential Optimality Condition Applied to Mathematical Programs with Equilibrium Constraints.
J. Optim. Theory Appl.
Elias S. Helou, Sandra A. Santos, Lucas E. A. Simões
2020 J jnl
Fast Proximal Gradient Methods for Nonsmooth Convex Optimization for Tomographic Image Reconstruction.
CoRR
Elias S. Helou, Marcelo V. W. Zibetti, Gabor T. Herman
2019 J jnl
String-averaging incremental stochastic subgradient algorithms.
Optim. Methods Softw.
R. M. Oliveira, Elias S. Helou, Eduardo F. Costa
2019 J jnl
The Discrete Fourier Transform for Golden Angle Linogram Sampling.
CoRR
Elias S. Helou, Marcelo V. W. Zibetti, Leon Axel, Kai Tobias Block, Ravinder R. Regatte, Gabor T. Herman
2018 J jnl
A Backprojection Slice Theorem for Tomographic Reconstruction.
IEEE Trans. Image Process.
Eduardo X. Miqueles, Nikolay A. Koshev, Elias S. Helou
2017 J jnl
Accelerating Overrelaxed and Monotone Fast Iterative Shrinkage-Thresholding Algorithms With Line Search for Sparse Reconstructions.
IEEE Trans. Image Process.
Marcelo Victor Wüst Zibetti, Elias S. Helou, Daniel R. Pipa
2016 J jnl
Image Restoration Using Gradient Iteration and Constraints for Band Extrapolation.
IEEE J. Sel. Top. Signal Process.
Moacir Ponti, Elias S. Helou, Paulo Jorge S. G. Ferreira, Nelson D. A. Mascarenhas
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
Similarity Preserving Snippet-Based Visualization of Web Search Results.
IEEE Trans. Vis. Comput. Graph.
Erick Gomez Nieto, Frizzi San Roman, Paulo A. Pagliosa, Wallace Casaca, Elias S. Helou, Maria Cristina Ferreira de Oliveira, Luis Gustavo Nonato
2013 J jnl
Mesh-Free Discrete Laplace-Beltrami Operator.
Comput. Graph. Forum
Fabiano Petronetto, Afonso Paiva, Elias S. Helou, David E. Stewart, Luis Gustavo Nonato