PDE-based spatial smoothing: a practical demonstration of impacts on MRI brain extraction, tissue segmentation and registration

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	PDE-based spatial smoothing: a practical demonstration of impacts on MRI brain extraction, tissue segmentation and registration
	Xing, Xiu-Xia 2; Zhou, You-Long 3; Adelstein, Jonathan S.1; Zuo, Xi-Nian1,4
刊名	MAGNETIC RESONANCE IMAGING
	2011-06-01
卷号	29 期号:5 页码:731-738
关键词	MRI denoise Partial differential equation Anisotropic diffusion Non-local means Brain extraction Segmentation Registration
ISSN号	0730-725X
通讯作者	Zuo, XN (reprint author), NYU, Langone Med Ctr, Phyllis Green & Randolph Cowen Inst Pediat Neuros, 550 1St Ave, New York, NY 10016 USA.
产权排序	4
英文摘要	Spatial smoothing is typically used to denoise magnetic resonance imaging (MRI) data. Gaussian smoothing kernels, associated with heat equations or isotropic diffusion (ISD), are widely adopted for this purpose because of their easy implementation and efficient computation, but despite these advantages, Gaussian smoothing kernels blur the edges, curvature and texture of images. To overcome these issues, researchers have proposed anisotropic diffusion (ASD) and non-local means [i.e., diffusion (NLD)] kernels. However, these new filtering paradigms are rarely applied to MRI analyses. In the current study, using real degraded MRI data, we demonstrated the effect of denoising using ISD, ASD and NLD kernels. Furthermore, we evaluated their impact on three common preprocessing steps of MRI data analysis: brain extraction, segmentation and registration. Results suggest that NLD-based spatial smoothing is most effective at improving the quality of MRI data preprocessing and thus should become the new standard method of smoothing in MRI data processing. (C) 2011 Elsevier Inc. All rights reserved.
学科主题	Physiological psychology/Biological Psychology
收录类别	SCI
项目简介	The current study was partially supported by the Startup Foundation for Distinguished Research Professor of Institute for Psychology (Y0CX492S03), National Nature Science Foundation of China (10671131), the Beijing Natural Science Foundation (1092006), the Scientific Research Foundation for the Youth (X1006012200801) and the Youth Specialized in Differential Equations (X3006012200801) of Beijing University of Technology.
原文出处	http://ac.els-cdn.com/S0730725X11000701/1-s2.0-S0730725X11000701-main.pdf?_tid=51e51930-c948-11e4-9824-00000aacb361&acdnat=1426227497_ebf3d515c56cc138f4f6f48d0a61f1c2
语种	英语
WOS记录号	WOS:000291292500016
内容类型	期刊论文
源URL	[http://ir.psych.ac.cn/handle/311026/12887]
专题	心理研究所_中国科学院行为科学重点实验室
作者单位	1.NYU, Langone Med Ctr, Phyllis Green & Randolph Cowen Inst Pediat Neuros, New York, NY 10016 USA 2.Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China 3.Henan Univ Tradit Chinese Med, Dept Acupuncture, Zhengzhou 450008, Peoples R China 4.Chinese Acad Sci, Key Lab Behav Sci, Inst Psychol, Lab Funct Connectome & Dev, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Xing, Xiu-Xia,Zhou, You-Long,Adelstein, Jonathan S.,et al. PDE-based spatial smoothing: a practical demonstration of impacts on MRI brain extraction, tissue segmentation and registration[J]. MAGNETIC RESONANCE IMAGING,2011,29(5):731-738.
APA	Xing, Xiu-Xia,Zhou, You-Long,Adelstein, Jonathan S.,&Zuo, Xi-Nian.(2011).PDE-based spatial smoothing: a practical demonstration of impacts on MRI brain extraction, tissue segmentation and registration.MAGNETIC RESONANCE IMAGING,29(5),731-738.
MLA	Xing, Xiu-Xia,et al."PDE-based spatial smoothing: a practical demonstration of impacts on MRI brain extraction, tissue segmentation and registration".MAGNETIC RESONANCE IMAGING 29.5(2011):731-738.