Smoothing in fMRI analysis (FAQ)

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Smoothing in fMRI analysis (FAQ)

Source: http://mindhive.mit.edu/node/112 1. What is smoothing? "Smoothing" is generally used to describe spatial smoothing in neuroimaging, and that's a nice euphamism for "blurring." Spatial smoothing consists of applying a small blur…

在fmri研究中，cca的应用历史

1.02年ola是第一个应用cca在fmri激活检测上的学者. <exploratory fmri analysis by autocorrelation maximization> 2.06年川大的那位肖柯硕士论文,几乎是完全基于ola的论文,只是最后最temporal和spatial做了融合.也是用于做激活检测. <基于CCA的fMRI时空模型数据处理方法的研究> 3.02年南理工的yang jian,发表了impca,改变以前基于向量的方式,进行实验,而是直接采用图像矩阵的方…

{ICIP2014}{收录论文列表}

This article come from HEREARS-L1: Learning Tuesday 10:30–12:30; Oral Session; Room: Leonard de Vinci 10:30 ARS-L1.1—GROUP STRUCTURED DIRTY DICTIONARY LEARNING FOR CLASSIFICATION Yuanming Suo, Minh Dao, Trac Tran, Johns Hopkins University, USA; Hojj…

利用改进的cca算法，进行识别

这个方法,很有意思,第一,不用降维:第二,跟ica做比较,竟然说比强大的ica还好: 看来,国防科大的博士,还是很牛的. <OI and fMRI Signal Separation Using Both Temporal and Spatial Autocorrelations > 在这篇论文中,对于将图像数据分析,分为两大类: 一.第一类是基于统计知识的,比如ica.pca等方法: 二.第二类是基于相关关系的,比如cca: —————————————————————————————————…

fMRI: spatial smoothing

Source: Brain voyager support Theoretical Background Spatial smoothing means that data points are averaged with their neighbours. This has the effect of a low pass filter meaning that high frequencies of the signal are removed from the data while enh…

Why many EEG researchers choose only midline electrodes for data analysis EEG分析为何多用中轴线电极

Source: Research gate Stafford Michahial EEG is a very low frequency.. and literature will give us the region where Alpha, Beta, Mu, signals are generated in Brain... and to reduce the complexity and to avoid interference as much as possible.. we go…

Hemodynamic response function (HRF) - FAQ

Source: MIT - Mindhive What is the 'canonical' HRF? The very simplest design matrix for a given experiment would simply represent the presence of a given condition with 1's and its absence with 0's in a that condition's column. That matrix would mode…