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Identification and Automatic ICA-PSO Two-Class Classification of Time Series RSN in Shaky Hand Syndrome

机译:握手综合征中时间序列RSN的识别和ICA-PSO两类自动分类

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Neuro-imaging techniques are used to extract and assess brain enactments. As brain activations are free to advance in an eccentric way, data driven methods are exploited for functional localization. Three motor imbalance subjects whose scan size were 128 × 128 × 23 and an aggregate of 110 volumes joined by three scans for nine acquisitions, who are on a normal age of 65 years and a set of 10 subject’s simulated data was subjected to examination. To fully exploit the potential, advanced signal processing methods are applied on acquired resting state functional MRI (rsfMRI) and SimTB simulated rsfMRI. An algorithm called Independent Component Analysis-Particle Swam Optimization two-class classifier for decision support is implemented. The algorithm pre-process each simulated and real time rsfMRI scans, extract independent components(IC) from smoothed output, select eigen vector for optimized minimum misclassification from both time series data and perform 2-class classification using k-means clustering. The proposed algorithm aided the classification of about 87.5% of the functional localization of shaky hand subjects of acquired rsfMRI data. The number of highly activated voxels in the sensory motor network is more in shaky hand subjects.
机译:神经成像技术用于提取和评估大脑行为。由于大脑的激活可以以偏心的方式自由进行,因此采用数据驱动的方法进行功能定位。对三名运动失衡的受试者进行了检查,他们的扫描尺寸为128×128×23,并且总共进行了110卷,通过三次扫描进行了九次采集,这些受试者的正常年龄为65岁,并接受了一组10位受试者的模拟数据。为了充分发挥潜力,将先进的信号处理方法应用于获得性静息状态功能性MRI(rsfMRI)和SimTB模拟的rsfMRI。实现了一种用于决策支持的称为独立成分分析-粒子游动优化两类分类器的算法。该算法对每个模拟和实时rsfMRI扫描进行预处理,从平滑输出中提取独立成分(IC),从两个时间序列数据中选择特征向量以优化最小误分类,并使用k均值聚类进行2类分类。所提出的算法有助于对获得的rsfMRI数据的手抖对象的功能定位进行约87.5%的分类。在动摇的对象中,感觉运动网络中高度活化的体素的数量更多。

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