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05/31/2023
Dictionary Learning under Symmetries via Group Representations
The dictionary learning problem can be viewed as a data-driven process t...
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12/27/2022
Optimal Convex and Nonconvex Regularizers for a Data Source
In optimization-based approaches to inverse problems and to statistical ...
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08/02/2021
Multiplicative updates for symmetric-cone factorizations
Given a matrix X∈ℝ^m× n_+ with non-negative entries, the cone factorizat...
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06/01/2021
A Non-commutative Extension of Lee-Seung's Algorithm for Positive Semidefinite Factorizations
Given a matrix X∈ℝ_+^m× n with nonnegative entries, a Positive Semidefin...
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01/19/2021
An Interpretable Intensive Care Unit Mortality Risk Calculator
Mortality risk is a major concern to patients have just been discharged ...
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07/15/2020
Group Invariant Dictionary Learning
The dictionary learning problem concerns the task of representing data a...
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02/12/2020
Collaborative Inference for Efficient Remote Monitoring
While current machine learning models have impressive performance over a...
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03/11/2019
Fitting Tractable Convex Sets to Support Function Evaluations
The geometric problem of estimating an unknown compact convex set from e...
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01/05/2017