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一种基于移动平均时间序列模型的脑功能激活区检测方法
田捷; 白丽君; 薛婷
2011-10-26
Date Available2012-06-20
CountryCN
Subtype发明
Abstract本发明公开了一种基于移动平均时间序列模型的磁共振成像脑激活区检测方法,该方法包括以下步骤:使用移动平均算法,对于每个个体,逐体素计算个体(individual?subject)体素信号强度时间序列模型;在此基础上使用EM-algorithm计算每个个体在组群中的权重值,逐体素构建组群(group?subjects)体素信号强度时间序列动态变化模型;最后通过区域增长方法,度量组群体素间信号强度时间序列模型的活动相似性,确定脑功能激活区。在真实fMRI数据集上的实验说明,本发明所述方法是一种有效的脑功能激活区提取方法。
Copyright Date2015-04-08
Patent NumberCN201110329397.5
Status授权
Document Type专利
Identifierhttp://ir.ia.ac.cn/handle/173211/8624
Collection中国科学院分子影像重点实验室
Affiliation中国科学院自动化研究所
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
田捷,白丽君,薛婷. 一种基于移动平均时间序列模型的脑功能激活区检测方法. CN201110329397.5[P]. 2011-10-26.
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