Can you find any pattern in the two signals, green and blue? The blue signal is the brain wave (measured by NIRS) of a person when he is pressing some buttons (the timing of button pressing is shown i
Wavelet transform coherence (WTC) is a method for analyzing the coherence and phase lag between two time series as a function of both time and frequency (Chang and Glover 2010). Here I played with it
SVM is mostly commonly used for binary classifications. But one branch of SVM, SVM regression or SVR, is able to fit a continuous function to data. This is particularly useful when the predicted varia
Update 2021/2/27: If you find griddata3 not working, try to change griddata3 to griddata. I was asked where to get nirs2img script. Here it is. The download link is at the bottom of this article. nirs2img is to create an image file from the input data. Then theimage file can be viewed by a
In local actionscript, if you have an object like: o.x = 6; o.y = -5; Then send this object to remote server using amfphp, the object becomes o = 6; o = 4294967290; This could be a bug…
Let’s say we have three tables: user, paper, userPaperRelation. user has columns id and username paper has column id and title userPaperRelation has columns userID and paperID. userID corresponds to the id in user table; paperID corresponds to
/fs/quarry/cuixu/fsl/fslmerge -t f I_???.* On my computer, it doesn’t convert to .nii file; but to a single img/hdr pair. This method won’t be used. Instead, I use freesurfer’s mri_concat now. See here.
http://www.tuxfiles.org/linuxhelp/vimcheat.html Author: Nana Långstedt < nana.langstedt at gmail.com > Working with files Vim command Action :e filename Open a new file. You can use the Tab key for automatic file name completion, just li
I use jsMath to write mathematical equations in this blog. Here is an example This is inline equation (use slash parenthesis): \(\alpha+\beta\geq\gamma=\pi\) This is one line equation (use double dollar sign \$\$…\$\$): $$\int {1\over x}\,dx =
When there is keyboard input, the command window of MatLab will gain focus and all its figure windows will be hiden back. How to make a figure window always on top? I use setWindowOnTop.m downloaded from http://webscripts.softpedia.com/script/Develop
We need to get real-time neural signal from Hitachi’s ETG4000. Hitachi provides a MatLab script “RealtimeOT” to get data from a parallel port and convert the binary data to float. Here is what they did: fp=fopen('temp',
The code highlighter used in this blog is SyntaxHighlighter Plus. It’s quite easy to set it up. (1) download and unzip to wp-content/plugins (2) activate it. Note: css style for SyntaxHighlighter is shlfiles/SyntaxHighlighter.css under this plu