Armin Eftekhari

According to our database, Armin Eftekhari authored at least 46 papers between 2009 and 2024.

Collaborative distances:

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

2024

Computing Second-Order Points Under Equality Constraints: Revisiting Fletcher's Augmented Lagrangian.

Florentin Goyens, Armin Eftekhari, Nicolas Boumal

J. Optim. Theory Appl., June, 2024

2023

The forward-backward envelope for sampling with the overdamped Langevin algorithm.

Armin Eftekhari, Luis Vargas, Konstantinos C. Zygalakis

Stat. Comput., August, 2023

2022

Over-Parametrized Matrix Factorization in the Presence of Spurious Stationary Points.

Armin Eftekhari

IEEE Trans. Signal Process., 2022

2021

Nonlinear matrix recovery using optimization on the Grassmann manifold.

Florentin Goyens, Coralia Cartis, Armin Eftekhari

CoRR, 2021

The Nonconvex Geometry of Linear Inverse Problems.

Armin Eftekhari, Peyman Mohajerin Esfahani

CoRR, 2021

Subquadratic Overparameterization for Shallow Neural Networks.

Chaehwan Song, Ali Ramezani-Kebrya, Thomas Pethick, Armin Eftekhari, Volkan Cevher

Proceedings of the Advances in Neural Information Processing Systems 34: Annual Conference on Neural Information Processing Systems 2021, 2021

Principal Component Hierarchy for Sparse Quadratic Programs.

Robbie Vreugdenhil, Viet Anh Nguyen, Armin Eftekhari, Peyman Mohajerin Esfahani

Proceedings of the 38th International Conference on Machine Learning, 2021

2020

Principal Component Analysis by Optimization of Symmetric Functions has no Spurious Local Optima.

Armin Eftekhari, Raphael A. Hauser

SIAM J. Optim., 2020

MOSES: A Streaming Algorithm for Linear Dimensionality Reduction.

Armin Eftekhari, Raphael A. Hauser, Andreas Grammenos

IEEE Trans. Pattern Anal. Mach. Intell., 2020

Implicit Regularization in Matrix Sensing: A Geometric View Leads to Stronger Results.

Armin Eftekhari, Konstantinos Zygalakis

CoRR, 2020

Double-Loop Unadjusted Langevin Algorithm.

Paul Rolland, Armin Eftekhari, Ali Kavis, Volkan Cevher

Proceedings of the 37th International Conference on Machine Learning, 2020

Training Linear Neural Networks: Non-Local Convergence and Complexity Results.

Armin Eftekhari

Proceedings of the 37th International Conference on Machine Learning, 2020

Scalable Learning-Based Sampling Optimization for Compressive Dynamic MRI.

Thomas Sanchez, Baran Gözcü, Ruud B. van Heeswijk, Armin Eftekhari, Efe Ilicak, Tolga Çukur, Volkan Cevher

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

2019

Sparse Inverse Problems over Measures: Equivalence of the Conditional Gradient and Exchange Methods.

Armin Eftekhari, Andrew Thompson

SIAM J. Optim., 2019

Streaming Principal Component Analysis From Incomplete Data.

Armin Eftekhari, Gregory Ongie, Laura Balzano, Michael B. Wakin

J. Mach. Learn. Res., 2019

Fast and Provable ADMM for Learning with Generative Priors.

Fabian Latorre Gómez, Armin Eftekhari, Volkan Cevher

CoRR, 2019

An Inexact Augmented Lagrangian Framework for Nonconvex Optimization with Nonlinear Constraints.

Mehmet Fatih Sahin, Armin Eftekhari, Ahmet Alacaoglu, Fabian Latorre, Volkan Cevher

Proceedings of the Advances in Neural Information Processing Systems 32: Annual Conference on Neural Information Processing Systems 2019, 2019

Fast and Provable ADMM for Learning with Generative Priors.

Fabian Latorre, Armin Eftekhari, Volkan Cevher

Proceedings of the Advances in Neural Information Processing Systems 32: Annual Conference on Neural Information Processing Systems 2019, 2019

2018

Weighted Matrix Completion and Recovery With Prior Subspace Information.

Armin Eftekhari, Dehui Yang, Michael B. Wakin

IEEE Trans. Inf. Theory, 2018

Stable Super-Resolution of Images.

Armin Eftekhari, Tamir Bendory, Gongguo Tang

CoRR, 2018

Sparse non-negative super-resolution - simplified and stabilised.

Armin Eftekhari, Jared Tanner, Andrew Thompson, Bogdan Toader, Hemant Tyagi

CoRR, 2018

PCA by Determinant Optimisation has no Spurious Local Optima.

Raphael A. Hauser, Armin Eftekhari, Heinrich F. Matzinger

Proceedings of the 24th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining, 2018

Non-Negative Super-Resolution is Stable.

Armin Eftekhari, Jared Tanner, Andrew Thompson, Bogdan Toader, Hemant Tyagi

Proceedings of the 2018 IEEE Data Science Workshop, 2018

2017

What to Expect When You Are Expecting on the Grassmannian.

Armin Eftekhari, Laura Balzano, Michael B. Wakin

IEEE Signal Process. Lett., 2017

What Happens to a Manifold Under a Bi-Lipschitz Map?

Armin Eftekhari, Michael B. Wakin

Discret. Comput. Geom., 2017

Learning the second-moment matrix of a smooth function from point samples.

Armin Eftekhari, Michael B. Wakin, Ping Li, Paul G. Constantine, Rachel A. Ward

Proceedings of the 51st Asilomar Conference on Signals, Systems, and Computers, 2017

2016

MC^2: A Two-Phase Algorithm for Leveraged Matrix Completion.

Armin Eftekhari, Michael B. Wakin, Rachel A. Ward

CoRR, 2016

Learning the Differential Correlation Matrix of a Smooth Function From Point Samples.

Armin Eftekhari, Ping Li, Michael B. Wakin, Rachel A. Ward

CoRR, 2016

SNIPE for Memory-Limited PCA From Incomplete Data.

Armin Eftekhari, Laura Balzano, Dehui Yang, Michael B. Wakin

CoRR, 2016

2015

Greed is Super: A Fast Algorithm for Super-Resolution.

Armin Eftekhari, Michael B. Wakin

CoRR, 2015

Computing active subspaces efficiently with gradient sketching.

Paul G. Constantine, Armin Eftekhari, Michael B. Wakin

Proceedings of the 6th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, 2015

2014

A first analysis of the stability of Takens' embedding.

Han Lun Yap, Armin Eftekhari, Michael B. Wakin, Christopher J. Rozell

Proceedings of the 2014 IEEE Global Conference on Signal and Information Processing, 2014

2013

Matched Filtering From Limited Frequency Samples.

Armin Eftekhari, Justin K. Romberg, Michael B. Wakin

IEEE Trans. Inf. Theory, 2013

New Analysis of Manifold Embeddings and Signal Recovery from Compressive Measurements.

Armin Eftekhari, Michael B. Wakin

CoRR, 2013

Greed is super: A new iterative method for super-resolution.

Armin Eftekhari, Michael B. Wakin

Proceedings of the IEEE Global Conference on Signal and Information Processing, 2013

2012

The Restricted Isometry Property for Random Block Diagonal Matrices

Armin Eftekhari, Han Lun Yap, Christopher J. Rozell, Michael B. Wakin

CoRR, 2012

2011

Two-dimensional random projection.

Armin Eftekhari, Massoud Babaie-Zadeh, Hamid Abrishami Moghaddam

Signal Process., 2011

The Restricted Isometry Property for block diagonal matrices.

Han Lun Yap, Armin Eftekhari, Michael B. Wakin, Christopher J. Rozell

Proceedings of the 45st Annual Conference on Information Sciences and Systems, 2011

2010

Block-wise 2D kernel PCA/LDA for face recognition.

Armin Eftekhari, Mohamad Forouzanfar, Hamid Abrishami Moghaddam, Javad Alirezaie

Inf. Process. Lett., 2010

Endocardial boundary extraction in left ventricular echocardiographic images using fast and adaptive B-spline snake algorithm.

Mahdi Marsousi, Armin Eftekhari, Armen Kocharian, Javad Alirezaie

Int. J. Comput. Assist. Radiol. Surg., 2010

2009

Incremental Local Linear Fuzzy Classifier in Fisher Space.

Armin Eftekhari, Hamid Abrishami Moghaddam, Mohamad Forouzanfar, Javad Alirezaie

EURASIP J. Adv. Signal Process., 2009

Two dimensional compressive classifier for sparse images.

Armin Eftekhari, Hamid Abrishami Moghaddam, Massoud Babaie-Zadeh, Mohammad Shahram Moin

Proceedings of the International Conference on Image Processing, 2009

Robust-SL0 for stable sparse representation in noisy settings.

Armin Eftekhari, Massoud Babaie-Zadeh, Christian Jutten, Hamid Abrishami Moghaddam

Proceedings of the IEEE International Conference on Acoustics, 2009

<i>k</i>/<i>K</i>-Nearest Neighborhood Criterion for Improvement of Locally Linear Embedding.

Armin Eftekhari, Hamid Abrishami Moghaddam, Massoud Babaie-Zadeh

Proceedings of the Computer Analysis of Images and Patterns, 13th International Conference, 2009

Two Dimensional Compressive Classifier for Sparse Images.

Armin Eftekhari, Hamid Abrishami Moghaddam, Massoud Babaie-Zadeh

Proceedings of the Sixth International Conference on Computer Graphics, 2009

k/K-Nearest Neighborhood Criterion for Improving Locally Linear Embedding.

Armin Eftekhari, Hamid Abrishami Moghaddam, Massoud Babaie-Zadeh

Proceedings of the Sixth International Conference on Computer Graphics, 2009