What is Wrong with End-to-End Learning for Phase Retrieval?

Fuente: arXiv
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Auteurs principaux: Zhang, Wenjie, Wan, Yuxiang, Zhuang, Zhong, Sun, Ju
Format: Preprint
Publié: 2024
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author Zhang, Wenjie
Wan, Yuxiang
Zhuang, Zhong
Sun, Ju
author_facet Zhang, Wenjie
Wan, Yuxiang
Zhuang, Zhong
Sun, Ju
contents For nonlinear inverse problems that are prevalent in imaging science, symmetries in the forward model are common. When data-driven deep learning approaches are used to solve such problems, these intrinsic symmetries can cause substantial learning difficulties. In this paper, we explain how such difficulties arise and, more importantly, how to overcome them by preprocessing the training set before any learning, i.e., symmetry breaking. We take far-field phase retrieval (FFPR), which is central to many areas of scientific imaging, as an example and show that symmetric breaking can substantially improve data-driven learning. We also formulate the mathematical principle of symmetry breaking.
format Preprint
id arxiv_https___arxiv_org_abs_2403_15448
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle What is Wrong with End-to-End Learning for Phase Retrieval?
Zhang, Wenjie
Wan, Yuxiang
Zhuang, Zhong
Sun, Ju
Signal Processing
Machine Learning
For nonlinear inverse problems that are prevalent in imaging science, symmetries in the forward model are common. When data-driven deep learning approaches are used to solve such problems, these intrinsic symmetries can cause substantial learning difficulties. In this paper, we explain how such difficulties arise and, more importantly, how to overcome them by preprocessing the training set before any learning, i.e., symmetry breaking. We take far-field phase retrieval (FFPR), which is central to many areas of scientific imaging, as an example and show that symmetric breaking can substantially improve data-driven learning. We also formulate the mathematical principle of symmetry breaking.
title What is Wrong with End-to-End Learning for Phase Retrieval?
topic Signal Processing
Machine Learning
url https://arxiv.org/abs/2403.15448