Model-Based Deep Learning: On the Intersection of Deep Learning and Optimization

Decision making algorithms are used in a multitude of different applications. Conventional approaches for designing decision algorithms employ principled and simplified modelling, based on which one can determine decisions via tractable optimization. More recently, deep learning approaches that use...

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Main Authors: Nir Shlezinger, Yonina C. Eldar, Stephen P. Boyd
Format: Article
Language:English
Published: IEEE 2022-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9934915/
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author Nir Shlezinger
Yonina C. Eldar
Stephen P. Boyd
author_facet Nir Shlezinger
Yonina C. Eldar
Stephen P. Boyd
author_sort Nir Shlezinger
collection DOAJ
description Decision making algorithms are used in a multitude of different applications. Conventional approaches for designing decision algorithms employ principled and simplified modelling, based on which one can determine decisions via tractable optimization. More recently, deep learning approaches that use highly parametric architectures tuned from data without relying on mathematical models, are becoming increasingly popular. Model-based optimization and data-centric deep learning are often considered to be distinct disciplines. Here, we characterize them as edges of a continuous spectrum varying in specificity and parameterization, and provide a tutorial-style presentation to the methodologies lying in the middle ground of this spectrum, referred to as model-based deep learning. We accompany our presentation with running examples in super-resolution and stochastic control, and show how they are expressed using the provided characterization and specialized in each of the detailed methodologies. The gains of combining model-based optimization and deep learning are demonstrated using experimental results in various applications, ranging from biomedical imaging to digital communications.
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spelling doaj.art-4a8e5ee402c34626b344846b06884a2d2022-12-22T02:27:58ZengIEEEIEEE Access2169-35362022-01-011011538411539810.1109/ACCESS.2022.32188029934915Model-Based Deep Learning: On the Intersection of Deep Learning and OptimizationNir Shlezinger0https://orcid.org/0000-0003-2234-929XYonina C. Eldar1https://orcid.org/0000-0003-4358-5304Stephen P. Boyd2https://orcid.org/0000-0001-8353-6000School of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Beer-Sheva, IsraelFaculty of Mathematics and Computer Science, Weizmann Institute of Science, Rehovot, IsraelDepartment of Electrical Engineering, Stanford University, Stanford, CA, USADecision making algorithms are used in a multitude of different applications. Conventional approaches for designing decision algorithms employ principled and simplified modelling, based on which one can determine decisions via tractable optimization. More recently, deep learning approaches that use highly parametric architectures tuned from data without relying on mathematical models, are becoming increasingly popular. Model-based optimization and data-centric deep learning are often considered to be distinct disciplines. Here, we characterize them as edges of a continuous spectrum varying in specificity and parameterization, and provide a tutorial-style presentation to the methodologies lying in the middle ground of this spectrum, referred to as model-based deep learning. We accompany our presentation with running examples in super-resolution and stochastic control, and show how they are expressed using the provided characterization and specialized in each of the detailed methodologies. The gains of combining model-based optimization and deep learning are demonstrated using experimental results in various applications, ranging from biomedical imaging to digital communications.https://ieeexplore.ieee.org/document/9934915/Optimizationdeep learningdeep unfoldinglearn-to-optimize
spellingShingle Nir Shlezinger
Yonina C. Eldar
Stephen P. Boyd
Model-Based Deep Learning: On the Intersection of Deep Learning and Optimization
IEEE Access
Optimization
deep learning
deep unfolding
learn-to-optimize
title Model-Based Deep Learning: On the Intersection of Deep Learning and Optimization
title_full Model-Based Deep Learning: On the Intersection of Deep Learning and Optimization
title_fullStr Model-Based Deep Learning: On the Intersection of Deep Learning and Optimization
title_full_unstemmed Model-Based Deep Learning: On the Intersection of Deep Learning and Optimization
title_short Model-Based Deep Learning: On the Intersection of Deep Learning and Optimization
title_sort model based deep learning on the intersection of deep learning and optimization
topic Optimization
deep learning
deep unfolding
learn-to-optimize
url https://ieeexplore.ieee.org/document/9934915/
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