Similarity preserving snippet-based visualization of web search results E Gomez-Nieto, F San Roman, P Pagliosa, W Casaca, ES Helou, ... IEEE transactions on visualization and computer graphics 20 (3), 457-470, 2013 | 66 | 2013 |
Incremental subgradients for constrained convex optimization: a unified framework and new methods ESH Neto, ÁR De Pierro SIAM Journal on Optimization 20 (3), 1547-1572, 2010 | 53 | 2010 |
A backprojection slice theorem for tomographic reconstruction E Miqueles, N Koshev, ES Helou IEEE Transactions on Image Processing 27 (2), 894-906, 2017 | 23 | 2017 |
Accelerating overrelaxed and monotone fast iterative shrinkage-thresholding algorithms with line search for sparse reconstructions MVW Zibetti, ES Helou, DR Pipa IEEE Transactions on Image Processing 26 (7), 3569-3578, 2017 | 20 | 2017 |
Mesh‐Free Discrete Laplace–Beltrami Operator F Petronetto, A Paiva, ES Helou, DE Stewart, LG Nonato Computer Graphics Forum 32 (6), 214-226, 2013 | 20 | 2013 |
Convergence results for scaled gradient algorithms in positron emission tomography ESH Neto, ÁR De Pierro Inverse Problems 21 (6), 1905, 2005 | 16 | 2005 |
On perturbed steepest descent methods with inexact line search for bilevel convex optimization ESH Neto, ÁR De Pierro Optimization 60 (8-9), 991-1008, 2011 | 15 | 2011 |
On the differentiability check in gradient sampling methods E Salomão Helou, SA Santos, LEA Simões Optimization Methods and Software 31 (5), 983-1007, 2016 | 13 | 2016 |
Superiorization of incremental optimization algorithms for statistical tomographic image reconstruction ES Helou, MVW Zibetti, EX Miqueles Inverse Problems 33 (4), 044010, 2017 | 12 | 2017 |
Image restoration using gradient iteration and constraints for band extrapolation M Ponti, ES Helou, PJSG Ferreira, NDA Mascarenhas IEEE Journal of Selected Topics in Signal Processing 10 (1), 71-80, 2015 | 12 | 2015 |
Fast backprojection operator for synchrotron tomographic data EX Miqueles, ES Helou European Consortium for Mathematics in Industry, 243-252, 2014 | 12 | 2014 |
Monotone FISTA with variable acceleration for compressed sensing magnetic resonance imaging MVW Zibetti, ES Helou, RR Regatte, GT Herman IEEE transactions on computational imaging 5 (1), 109-119, 2018 | 11 | 2018 |
Generalized backprojection operator: fast calculation EX Miqueles, ES Helou, AR De Pierro Journal of Physics: Conference Series 490 (1), 012148, 2014 | 11 | 2014 |
On the local convergence analysis of the gradient sampling method for finite max-functions ES Helou, SA Santos, LEA Simões Journal of Optimization Theory and Applications 175 (1), 137-157, 2017 | 10 | 2017 |
From convex feasibility to convex constrained optimization using block action projection methods and underrelaxation AR De Pierro, ES Helou Neto International Transactions in Operational Research 16 (4), 495-504, 2009 | 9 | 2009 |
String-Averaging Expectation-Maximization for Maximum Likelihood Estimation in Emission Tomography ES Helou, Y Censor, TB Chen, IL Chern, AR De Pierro, M Jiang, HHS Lu | 8* | |
Superiorization of preconditioned conjugate gradient algorithms for tomographic image reconstruction ES Helou, GT Herman, C Lin, MVW Zibetti arXiv preprint arXiv:1807.10151, 2018 | 7 | 2018 |
Accelerating the over-relaxed iterative shrinkage-thresholding algorithms with fast and exact line search for high resolution tomographic image reconstruction MVW Zibetti, ES Helou, EX Migueles, AR De Pierro 2015 IEEE International Conference on Image Processing (ICIP), 2305-2308, 2015 | 7 | 2015 |
Zero-modified power series distribution and its hurdle distribution version KS Conceição, F Louzada, MG Andrade, ES Helou Journal of Statistical Computation and Simulation 87 (9), 1842-1862, 2017 | 6 | 2017 |
ϵ-subgradient algorithms for bilevel convex optimization ES Helou, LEA Simões Inverse Problems 33 (5), 055020, 2017 | 6 | 2017 |