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A split-merge-based region-growing method for fMRI activation detection
Lu, YL; Jiang, TZ; Zang, YF
2004-08-01
发表期刊HUMAN BRAIN MAPPING
卷号22期号:4页码:271-279
文章类型Article
摘要We introduce a hybrid method for functional magnetic resonance imaging (fMRI) activation detection based on the well-developed split-merge and region-growing techniques. The proposed method includes conjoining both of the spatio-temporal priors inherent in split-merge and the prior information afforded by the hypothesis-led component of region selection. Compared to the fuzzy c-means clustering analysis, this method avoids making assumptions about the number of clusters and the computation complexity is reduced markedly. We evaluated the effectiveness of the proposed method in comparison with the general linear model and the fuzzy c-means clustering method conducted on simulated and in vivo datasets. Experimental results show that our method successfully detected expected activated regions and has advantages over the other two methods. (C) 2004 Wiley-Liss, Inc.
关键词Fmri Time Series Split-merge Region Growing Kendall's Coefficient Of Concordance
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]INDEPENDENT COMPONENT ANALYSIS ; FUNCTIONAL MRI DATA ; HUMAN BRAIN ; TASK ACTIVATION ; TIME-SERIES ; CONNECTIVITY ; CORTEX
收录类别SCI
语种英语
WOS研究方向Neurosciences & Neurology ; Radiology, Nuclear Medicine & Medical Imaging
WOS类目Neurosciences ; Neuroimaging ; Radiology, Nuclear Medicine & Medical Imaging
WOS记录号WOS:000223036600002
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9038
专题09年以前成果
作者单位Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China
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Lu, YL,Jiang, TZ,Zang, YF. A split-merge-based region-growing method for fMRI activation detection[J]. HUMAN BRAIN MAPPING,2004,22(4):271-279.
APA Lu, YL,Jiang, TZ,&Zang, YF.(2004).A split-merge-based region-growing method for fMRI activation detection.HUMAN BRAIN MAPPING,22(4),271-279.
MLA Lu, YL,et al."A split-merge-based region-growing method for fMRI activation detection".HUMAN BRAIN MAPPING 22.4(2004):271-279.
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