Armin Eftekhari

55 papers A* 7B 1Misc 4Journal 37Unranked 6
YearRankTypeTitle / Venue / Authors
2024 J jnl
Computing Second-Order Points Under Equality Constraints: Revisiting Fletcher's Augmented Lagrangian.
J. Optim. Theory Appl.
Florentin Goyens, Armin Eftekhari, Nicolas Boumal
2023 J jnl
The forward-backward envelope for sampling with the overdamped Langevin algorithm.
Stat. Comput.
Armin Eftekhari, Luis Vargas, Konstantinos C. Zygalakis
2022 J jnl
Over-Parametrized Matrix Factorization in the Presence of Spurious Stationary Points.
IEEE Trans. Signal Process.
Armin Eftekhari
2022 J jnl
The Forward-Backward Envelope for Sampling with the Overdamped Langevin Algorithm.
CoRR
Armin Eftekhari, Luis Vargas, Konstantinos Zygalakis
2021 J jnl
Nonlinear matrix recovery using optimization on the Grassmann manifold.
CoRR
Florentin Goyens, Coralia Cartis, Armin Eftekhari
2021 J jnl
Over-Parametrized Matrix Factorization in the Presence of Spurious Stationary Points.
CoRR
Armin Eftekhari
2021 A* conf
Principal Component Hierarchy for Sparse Quadratic Programs.
ICML
Robbie Vreugdenhil, Viet Anh Nguyen, Armin Eftekhari, Peyman Mohajerin Esfahani
2021 J jnl
Principal Component Hierarchy for Sparse Quadratic Programs.
CoRR
Robbie Vreugdenhil, Viet Anh Nguyen, Armin Eftekhari, Peyman Mohajerin Esfahani
2021 A* conf
Subquadratic Overparameterization for Shallow Neural Networks.
NeurIPS
Chaehwan Song, Ali Ramezani-Kebrya, Thomas Pethick, Armin Eftekhari, Volkan Cevher
2021 J jnl
Subquadratic Overparameterization for Shallow Neural Networks.
CoRR
Chaehwan Song, Ali Ramezani-Kebrya, Thomas Pethick, Armin Eftekhari, Volkan Cevher
2021 J jnl
The Nonconvex Geometry of Linear Inverse Problems.
CoRR
Armin Eftekhari, Peyman Mohajerin Esfahani
2020 A* conf
Double-Loop Unadjusted Langevin Algorithm.
ICML
Paul Rolland, Armin Eftekhari, Ali Kavis, Volkan Cevher
2020 J jnl
Double-Loop Unadjusted Langevin Algorithm.
CoRR
Paul Rolland, Armin Eftekhari, Ali Kavis, Volkan Cevher
2020 J jnl
Implicit Regularization in Matrix Sensing: A Geometric View Leads to Stronger Results.
CoRR
Armin Eftekhari, Konstantinos Zygalakis
2020 J jnl
MOSES: A Streaming Algorithm for Linear Dimensionality Reduction.
IEEE Trans. Pattern Anal. Mach. Intell.
Armin Eftekhari, Raphael A. Hauser, Andreas Grammenos
2020 J jnl
Principal Component Analysis by Optimization of Symmetric Functions has no Spurious Local Optima.
SIAM J. Optim.
Armin Eftekhari, Raphael A. Hauser
2020 Misc conf
Scalable Learning-Based Sampling Optimization for Compressive Dynamic MRI.
ICASSP
Thomas Sanchez, Baran Gözcü, Ruud B. van Heeswijk, Armin Eftekhari, Efe Ilicak, Tolga Çukur, Volkan Cevher
2020 A* conf
Training Linear Neural Networks: Non-Local Convergence and Complexity Results.
ICML
Armin Eftekhari
2019 A* conf
An Inexact Augmented Lagrangian Framework for Nonconvex Optimization with Nonlinear Constraints.
NeurIPS
Mehmet Fatih Sahin, Armin Eftekhari, Ahmet Alacaoglu, Fabian Latorre, Volkan Cevher
2019 A* conf
Fast and Provable ADMM for Learning with Generative Priors.
NeurIPS
Fabian Latorre, Armin Eftekhari, Volkan Cevher
2019 J jnl
Fast and Provable ADMM for Learning with Generative Priors.
CoRR
Fabian Latorre Gómez, Armin Eftekhari, Volkan Cevher
2019 J jnl
Sparse Inverse Problems over Measures: Equivalence of the Conditional Gradient and Exchange Methods.
SIAM J. Optim.
Armin Eftekhari, Andrew Thompson
2019 J jnl
Streaming Principal Component Analysis From Incomplete Data.
J. Mach. Learn. Res.
Armin Eftekhari, Gregory Ongie, Laura Balzano, Michael B. Wakin
2018 J jnl
MOSES: A Streaming Algorithm for Linear Dimensionality Reduction.
CoRR
Armin Eftekhari, Raphael A. Hauser, Andreas Grammenos
2018 — conf
Non-Negative Super-Resolution is Stable.
DSW
Armin Eftekhari, Jared Tanner, Andrew Thompson, Bogdan Toader, Hemant Tyagi
2018 A* conf
PCA by Determinant Optimisation has no Spurious Local Optima.
KDD
Raphael A. Hauser, Armin Eftekhari, Heinrich F. Matzinger
2018 J jnl
Sparse non-negative super-resolution - simplified and stabilised.
CoRR
Armin Eftekhari, Jared Tanner, Andrew Thompson, Bogdan Toader, Hemant Tyagi
2018 J jnl
Stable Super-Resolution of Images.
CoRR
Armin Eftekhari, Tamir Bendory, Gongguo Tang
2018 J jnl
Weighted Matrix Completion and Recovery With Prior Subspace Information.
IEEE Trans. Inf. Theory
Armin Eftekhari, Dehui Yang, Michael B. Wakin
2017 Misc conf
Learning the second-moment matrix of a smooth function from point samples.
ACSSC
Armin Eftekhari, Michael B. Wakin, Ping Li, Paul G. Constantine, Rachel A. Ward
2017 J jnl
What Happens to a Manifold Under a Bi-Lipschitz Map?
Discret. Comput. Geom.
Armin Eftekhari, Michael B. Wakin
2017 J jnl
What to Expect When You Are Expecting on the Grassmannian.
IEEE Signal Process. Lett.
Armin Eftekhari, Laura Balzano, Michael B. Wakin
2016 J jnl
Learning the Differential Correlation Matrix of a Smooth Function From Point Samples.
CoRR
Armin Eftekhari, Ping Li, Michael B. Wakin, Rachel A. Ward
2016 J jnl
MC^2: A Two-Phase Algorithm for Leveraged Matrix Completion.
CoRR
Armin Eftekhari, Michael B. Wakin, Rachel A. Ward
2016 J jnl
SNIPE for Memory-Limited PCA From Incomplete Data.
CoRR
Armin Eftekhari, Laura Balzano, Dehui Yang, Michael B. Wakin
2016 J jnl
Weighted Matrix Completion and Recovery with Prior Subspace Information.
CoRR
Armin Eftekhari, Dehui Yang, Michael B. Wakin
2016 J jnl
What to Expect When You Are Expecting on the Grassmannian.
CoRR
Armin Eftekhari, Laura Balzano, Michael B. Wakin
2015 — conf
Computing active subspaces efficiently with gradient sketching.
CAMSAP
Paul G. Constantine, Armin Eftekhari, Michael B. Wakin
2015 J jnl
Greed is Super: A Fast Algorithm for Super-Resolution.
CoRR
Armin Eftekhari, Michael B. Wakin
2015 J jnl
What Happens to a Manifold Under a Bi-Lipschitz Map?
CoRR
Armin Eftekhari, Michael B. Wakin
2014 — conf
A first analysis of the stability of Takens' embedding.
GlobalSIP
Han Lun Yap, Armin Eftekhari, Michael B. Wakin, Christopher J. Rozell
2013 — conf
Greed is super: A new iterative method for super-resolution.
GlobalSIP
Armin Eftekhari, Michael B. Wakin
2013 J jnl
Matched Filtering From Limited Frequency Samples.
IEEE Trans. Inf. Theory
Armin Eftekhari, Justin K. Romberg, Michael B. Wakin
2013 J jnl
New Analysis of Manifold Embeddings and Signal Recovery from Compressive Measurements.
CoRR
Armin Eftekhari, Michael B. Wakin
2012 J jnl
The Restricted Isometry Property for Random Block Diagonal Matrices
CoRR
Armin Eftekhari, Han Lun Yap, Christopher J. Rozell, Michael B. Wakin
2011 J jnl
Matched Filtering from Limited Frequency Samples
CoRR
Armin Eftekhari, Justin K. Romberg, Michael B. Wakin
2011 Misc conf
The Restricted Isometry Property for block diagonal matrices.
CISS
Han Lun Yap, Armin Eftekhari, Michael B. Wakin, Christopher J. Rozell
2011 J jnl
Two-dimensional random projection.
Signal Process.
Armin Eftekhari, Massoud Babaie-Zadeh, Hamid Abrishami Moghaddam
2010 J jnl
Block-wise 2D kernel PCA/LDA for face recognition.
Inf. Process. Lett.
Armin Eftekhari, Mohamad Forouzanfar, Hamid Abrishami Moghaddam, Javad Alirezaie
2010 J jnl
Endocardial boundary extraction in left ventricular echocardiographic images using fast and adaptive B-spline snake algorithm.
Int. J. Comput. Assist. Radiol. Surg.
Mahdi Marsousi, Armin Eftekhari, Armen Kocharian, Javad Alirezaie
2009 J jnl
Incremental Local Linear Fuzzy Classifier in Fisher Space.
EURASIP J. Adv. Signal Process.
Armin Eftekhari, Hamid Abrishami Moghaddam, Mohamad Forouzanfar, Javad Alirezaie
2009 Misc conf
Robust-SL0 for stable sparse representation in noisy settings.
ICASSP
Armin Eftekhari, Massoud Babaie-Zadeh, Christian Jutten, Hamid Abrishami Moghaddam
2009 — conf
Two Dimensional Compressive Classifier for Sparse Images.
CGIV
Armin Eftekhari, Hamid Abrishami Moghaddam, Massoud Babaie-Zadeh
2009 B conf
Two dimensional compressive classifier for sparse images.
ICIP
Armin Eftekhari, Hamid Abrishami Moghaddam, Massoud Babaie-Zadeh, Mohammad Shahram Moin
2009 — conf
k/K-Nearest Neighborhood Criterion for Improving Locally Linear Embedding.
CGIV
Armin Eftekhari, Hamid Abrishami Moghaddam, Massoud Babaie-Zadeh