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Mathematical Problems in Engineering
Volume 2012 (2012), Article ID 696212, 16 pages
Noise Estimation for Single-Slice Sinogram of Low-Dose X-Ray Computed Tomography Using Homogenous Patch
1Visual Computing and Virtual Reality Key Laboratory Of Sichuan Province, Sichuan Normal University, Chengdu 610101, China
2School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
3School of Information Science & Technology, East China Normal University, no. 500, Dong-Chuan Road, Shanghai 200241, China
Received 29 June 2011; Accepted 21 July 2011
Academic Editor: Shengyong Chen
Copyright © 2012 Zhiwu Liao et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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