Xu Cui while(alive){learn;} – Page 54

Functional Near Infrared Spectroscopy (fNIRS): List of manufactures

Contents Company Products Artinis Brite, OxyMon, OctaMon, PortaMon, PortaLite BIOPAC fNIR 100, fNIR2000M Series CORTIVISION PHOTONCAP Huichuang Medical NirScan-900X, NirSmartⅡ- Pro GOWERLABS NTS fNIRS

Xiaodan Feng
Apr 21, 2020 15 min read

What does a wavelet coherence plot tell you?

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

Xu Cui
Aug 27, 2012 1 min read

Wavelet Coherence

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

Xu Cui
Aug 31, 2010 1 min read

SVM regression with libsvm

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

Xu Cui
May 20, 2010 1 min read

浅谈近红外脑成像英文期刊文章撰写

本文作者是刘宁博士作者简介：刘宁，塔夫斯大学生物医学工程博士（Tufts University），斯坦福大学脑科学方向科研人员。 Frontiers 杂志客座编辑（Guest Associate Editor for Fronti

Xu Cui
Jun 23, 2022 11 sec read

nirs2img, create an image file from NIRS data

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

Xu Cui
Oct 2, 2019 51 sec read

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Interview Liz Walter and Signe Bray

Liz and Signe each published a review paper recently. They share their tips and experience … Signe Bray Frontiers in human neuroscience Elizabeth Walter Neuroscience

Xu Cui
Jan 20, 2010 5 sec read

Increasing number of coauthors in PubMed

According statistics published in PubMed, the average number of coauthors per paper was 1.56 in 1950, meaning at least half of papers were single authored at that time. This number now reaches to 4.77 in 2008. The age of publishing a paper alone is g

Xu Cui
Jan 4, 2010 36 sec read

xjView Tutorial Videos

FDR function, English version FDR function, Chinese version 普通话 Mandarin FDR function, Chinese versi

Xu Cui
Dec 19, 2009 2 sec read

use asdoc to generate documents

First, your asdoc.exe should be in your system path Open command window, cd to your project folder. In this folder, you should find src folder Run command asdoc -source-path .\src -doc-sources . Then a folder called “asdoc-output” will be

Xu Cui
Dec 1, 2009 8 sec read

Tower of sqrt(2)

What is the limit of this infinite exponential? Solution 1: $$x=\sqrt{2}^x$$ This leads to x=2 or 4 Solution 2: $$x=^x$$ This leads to x not equal to 2 or 4 Solution 3: MatLab simulation of series $$\sqrt{2}, \sqrt{2}^\sqrt{2}, [\s

Xu Cui
Nov 30, 2009 14 sec read

saveppt2, save MatLab figures to PowerPoint

I find saveppt2 is very useful in data exploration. I often have to view a lot of plots/figures for individual subjects during quality checking or data exploration. It would be ideal to have a script to automatically save the plots into PowerPoint an

Xu Cui
Nov 25, 2009 17 sec read

Adobe AIR 2 beta is out

Adobe AIR 2 beta is out last night (Nov 16, 2009). It includes a number of highly expected features including launching native applications. It also improves CPU/memory usages. Some sample applications include: http://labs.adobe.com/technologies/air2

Xu Cui
Nov 17, 2009 20 sec read

How to create TIFF files

When you submit a manuscript, many journals ask you to send your figures in TIFF format with some requirements such as 300dpi, flattened, LZW compressed, etc. How to do that? My figures are usually finalized in MS PowerPoint. I don’t use PowerP

Xu Cui
Nov 13, 2009 24 sec read

Winner take all in SVM?

updated: 2010/01/05, add plot of original data Assume our data contains two features and they are highly correlated (say, r>0.9). The 1st feature does slightly better than the 2nd one in classifying the data. The question is, is the weight of the

Xu Cui
Nov 11, 2009 1 min read

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