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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1109/TPAMI.2023.3299789
|2 doi
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|a eng
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| 100 |
1 |
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|a Young, Sean I
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Supervision by Denoising
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|c 2023
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|a ƒaComputermedien
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|a Date Revised 16.03.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a Learning-based image reconstruction models, such as those based on the U-Net, require a large set of labeled images if good generalization is to be guaranteed. In some imaging domains, however, labeled data with pixel- or voxel-level label accuracy are scarce due to the cost of acquiring them. This problem is exacerbated further in domains like medical imaging, where there is no single ground truth label, resulting in large amounts of repeat variability in the labels. Therefore, training reconstruction networks to generalize better by learning from both labeled and unlabeled examples (called semi-supervised learning) is problem of practical and theoretical interest. However, traditional semi-supervised learning methods for image reconstruction often necessitate handcrafting a differentiable regularizer specific to some given imaging problem, which can be extremely time-consuming. In this work, we propose "supervision by denoising" (SUD), a framework to supervise reconstruction models using their own denoised output as labels. SUD unifies stochastic averaging and spatial denoising techniques under a spatio-temporal denoising framework and alternates denoising and model weight update steps in an optimization framework for semi-supervision. As example applications, we apply SUD to two problems from biomedical imaging-anatomical brain reconstruction (3D) and cortical parcellation (2D)-to demonstrate a significant improvement in reconstruction over supervised-only and ensembling baselines. Our code available at https://github.com/seannz/sud
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|a Journal Article
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1 |
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|a Dalca, Adrian V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ferrante, Enzo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Golland, Polina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Metzler, Christopher A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fischl, Bruce
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Iglesias, Juan Eugenio
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on pattern analysis and machine intelligence
|d 1979
|g PP(2023) vom: 28. Juli
|w (DE-627)NLM098212257
|x 1939-3539
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|g year:2023
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|u http://dx.doi.org/10.1109/TPAMI.2023.3299789
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