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Deformation-Compensated Learning for Image Reconstruction Without Ground Truth | IEEE Journals & Magazine | IEEE Xplore

Deformation-Compensated Learning for Image Reconstruction Without Ground Truth


Abstract:

Deep neural networks for medical image reconstruction are traditionally trained using high-quality ground-truth images as training targets. Recent work on Noise2Noise (N2...Show More

Abstract:

Deep neural networks for medical image reconstruction are traditionally trained using high-quality ground-truth images as training targets. Recent work on Noise2Noise (N2N) has shown the potential of using multiple noisy measurements of the same object as an alternative to having a ground-truth. However, existing N2N-based methods are not suitable for learning from the measurements of an object undergoing nonrigid deformation. This paper addresses this issue by proposing the deformation-compensated learning (DeCoLearn) method for training deep reconstruction networks by compensating for object deformations. A key component of DeCoLearn is a deep registration module, which is jointly trained with the deep reconstruction network without any ground-truth supervision. We validate DeCoLearn on both simulated and experimentally collected magnetic resonance imaging (MRI) data and show that it significantly improves imaging quality.
Published in: IEEE Transactions on Medical Imaging ( Volume: 41, Issue: 9, September 2022)
Page(s): 2371 - 2384
Date of Publication: 28 March 2022

ISSN Information:

PubMed ID: 35344490

Funding Agency:


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