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An Improved Iterative Neural Network for High-Quality Image-Domain Material Decomposition in Dual-Energy CT


Dec 02, 2020
Zhipeng Li, Yong Long, Il Yong Chun


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Two-layer clustering-based sparsifying transform learning for low-dose CT reconstruction


Nov 01, 2020
Xikai Yang, Yong Long, Saiprasad Ravishankar

* 5 pages, 3 figures, submitted to ISBI2021 

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Multi-layer Residual Sparsifying Transform (MARS) Model for Low-dose CT Image Reconstruction


Oct 16, 2020
Xikai Yang, Yong Long, Saiprasad Ravishankar

* 24 pages, 10 figures, submitted journal paper. arXiv admin note: text overlap with arXiv:2005.03825 

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Learned Multi-layer Residual Sparsifying Transform Model for Low-dose CT Reconstruction


May 08, 2020
Xikai Yang, Xuehang Zheng, Yong Long, Saiprasad Ravishankar


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Momentum-Net for Low-Dose CT Image Reconstruction


Mar 06, 2020
Siqi Ye, Yong Long, Il Yong Chun

* Five pages author-submitted paper to ICIP 2020 

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SUPER Learning: A Supervised-Unsupervised Framework for Low-Dose CT Image Reconstruction


Oct 26, 2019
Zhipeng Li, Siqi Ye, Yong Long, Saiprasad Ravishankar

* Accepted to International Conference on Computer Vision (ICCV) - Learning for Computational Imaging (LCI) Workshop, 2019 

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BCD-Net for Low-dose CT Reconstruction: Acceleration, Convergence, and Generalization


Aug 04, 2019
Il Yong Chun, Xuehang Zheng, Yong Long, Jeffrey A. Fessler

* Accepted to MICCAI 2019, and the authors indicated by asterisks (*) equally contributed to this work 

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Multi-layer Residual Sparsifying Transform Learning for Image Reconstruction


Jun 01, 2019
Xuehang Zheng, Saiprasad Ravishankar, Yong Long, Marc Louis Klasky, Brendt Wohlberg

* submitted to IEEE Signal Processing Letters 

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DECT-MULTRA: Dual-Energy CT Image Decomposition With Learned Mixed Material Models and Efficient Clustering


Jan 01, 2019
Zhipeng Li, Saiprasad Ravishankar, Yong Long, Jeffrey A. Fessler


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PWLS-ULTRA: An Efficient Clustering and Learning-Based Approach for Low-Dose 3D CT Image Reconstruction


Jun 01, 2018
Xuehang Zheng, Saiprasad Ravishankar, Yong Long, Jeffrey A. Fessler

* Accepted to IEEE Transaction on Medical Imaging 

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Sparse-View X-Ray CT Reconstruction Using $\ell_1$ Prior with Learned Transform


Nov 02, 2017
Xuehang Zheng, Il Yong Chun, Zhipeng Li, Yong Long, Jeffrey A. Fessler

* The first two authors contributed equally to this work; 8 pages, 5 figures 

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Low Dose CT Image Reconstruction With Learned Sparsifying Transform


Jul 10, 2017
Xuehang Zheng, Zening Lu, Saiprasad Ravishankar, Yong Long, Jeffrey A. Fessler

* This is a revised and corrected version of the IEEE IVMSP Workshop paper DOI: 10.1109/IVMSPW.2016.7528219 

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