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Content Provider | IET Digital Library |
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Author | Du, Qianqian Ren, Xueting Wang, Jiawen Qiang, Yan Yang, Xiaotang Kazihise, Ntikurako Guy Fernand |
Abstract | This study proposed a GAN-based reconstruction method-cascaded data consistency generative adversarial network (CDCGAN) to recover high-quality PET images from filtered back projection PET images with streaking artifacts and high noise. First, the authors embed defined data consistency layer (DC layer) in their generator network to constrain the reconstruction process and adjust accurately generated faked PET images. Second, to improve the accuracy of reconstruction on average, their generator network was built iteratively to achieve better performance with simple structures. They observed that the proposed CDCGAN allows the preservation of fine anomalous features while eliminating the streaking artifacts and noise. Experimental results show that the reconstructed PET images by their methods perform well comparably to other state-of-the-art methods but at a faster speed. A clinical experiment was also performed to show the validity of the CDCGAN for artifacts reduction. |
Starting Page | 3989 |
Ending Page | 3999 |
Page Count | 11 |
ISSN | 17519659 |
Volume Number | 14 |
e-ISSN | 17519667 |
Issue Number | Issue 15, Dec (2020) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-ipr/14/15 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2020.1056 |
Journal | IET Image Processing |
Publisher Date | 2020-12-04 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Biology And Medical Computing Computer Vision And Image Processing Technique Filtered Back Projection PET Image GAN-based Reconstruction Method-cascaded Data Consistency Generative Adversarial Network Generator Network High-quality PET Image Image Reconstruction Interpolation And Function Approximation Iterative Method Iterative PET Image Reconstruction Medical Image Processing Nuclear Medicine, Emission Tomography Numerical Analysis Numerical Approximation And Analysis Optical, Image And Video Signal Processing Patient Diagnostic Method And Instrumentation Positron Emission Tomography Reconstructed PET Image Reconstruction Process Streaking Artifacts |
Content Type | Text |
Resource Type | Article |
Subject | Signal Processing Electrical and Electronic Engineering Computer Vision and Pattern Recognition Software |
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