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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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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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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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