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A split-merge-based region-growing method for fMRI activation detection
Lu, YL; Jiang, TZ; Zang, YF
Source PublicationHUMAN BRAIN MAPPING
2004-08-01
Volume22Issue:4Pages:271-279
SubtypeArticle
AbstractWe 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.
KeywordFmri Time Series Split-merge Region Growing Kendall's Coefficient Of Concordance
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS KeywordINDEPENDENT COMPONENT ANALYSIS ; FUNCTIONAL MRI DATA ; HUMAN BRAIN ; TASK ACTIVATION ; TIME-SERIES ; CONNECTIVITY ; CORTEX
Indexed BySCI
Language英语
WOS Research AreaNeurosciences & Neurology ; Radiology, Nuclear Medicine & Medical Imaging
WOS SubjectNeurosciences ; Neuroimaging ; Radiology, Nuclear Medicine & Medical Imaging
WOS IDWOS:000223036600002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/9038
Collection09年以前成果
AffiliationChinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
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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