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Cited by 294

The DOI matches its Crossref record; 148 of the 148 references it cites were found in a registry or an index.

Image Reconstruction: From Sparsity to Data-Adaptive Methods and Machine Learning

Open access
Ravishankar, Saiprasad, Ye, Jong Chul, Fessler, Jeffrey A.·2020·Proceedings of the IEEE

Abstract

The field of medical image reconstruction has seen roughly four types of methods. The first type tended to be analytical methods, such as filtered backprojection (FBP) for X-ray computed tomography (CT) and the inverse Fourier transform for magnetic resonance imaging (MRI), based on simple mathematical models for the imaging systems. These methods are typically fast, but have suboptimal properties such as poor resolution-noise tradeoff for CT. A second type is iterative reconstruction methods based on more complete models for the imaging system physics and, where appropriate, models for the sensor statistics. These iterative methods improved image quality by reducing noise and artifacts. The U.S. Food and Drug Administration (FDA)-approved methods among these have been based on relatively simple regularization models. A third type of methods has been designed to accommodate modified data acquisition methods, such as reduced sampling in MRI and CT to reduce scan time or radiation dose. These methods typically involve mathematical image models involving assumptions such as sparsity or low rank. A fourth type of methods replaces mathematically designed models of signals and systems with data-driven or adaptive models inspired by the field of machine learning. This article focuses on the two most recent trends in medical image reconstruction: methods based on sparsity or low-rank models and data-driven methods based on machine learning techniques.

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Metadata

Authors
Ravishankar, S., Ye, J. C., & Fessler, J. A.
Venue
Proceedings of the IEEE
Published
2020-01
Volume
108
Issue
1
Pages
86-109
ISSN
  • 0018-9219 (ISSN-L)
  • 1558-2256
OpenAlex
W2942199805
Cited by
294
References
148
FWCI
21.00
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Image Reconstruction: From Sparsity to Data-Adaptive Methods and Machine Learning. https://app.cochat.ai/papers/10.1109/jproc.2019.2936204
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Ravishankar, S., Ye, J. C., & Fessler, J. A. (2020). Image Reconstruction: From Sparsity to Data-Adaptive Methods and Machine Learning. Proceedings of the IEEE. https://doi.org/10.1109/jproc.2019.2936204

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