Xu Cui while(alive){learn;} – Page 46

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

All Articles

MatLab tip: format shortg

The default format of output in MatLab is like below: v = 1.0e+003 * 9.0579 1.2699 9.1338 6.3236 0.9754 What if you want the format to be v = 9057.9 1269.9 9133.8 6323.6 975.4 The answer is simple. Run the following command in MatLab: format shortg

Xu Cui
Jan 10, 2013 7 sec read

[转载]与乞者的对答录

问：你这么年轻，为什么不找份工作，靠自己能力去吃饭，干嘛在这里乞讨？乞者答：我跪在这里，是让自己的虚荣一败涂地。是让自己的面子，无地自容。是让自己的虚假，彻底崩溃。我不是因为吃饭而做乞丐，也不是因为

Xu Cui
Jan 10, 2013 0 sec read

Man and Woman’s life in 3 pictures

Very funny. Look at the rooster 🙂

Xu Cui
Nov 30, 2012 3 sec read

ANOVA with MatLab

The statistics toolbox in MatLab provides an easy way to do 1-way and 2-way anova. Below are some examples. The functions are called anova1 and anovan. 1 way anova is to test if the mean in each group is same; and 2-way anova is to test (1) if the me

Xu Cui
Nov 17, 2012 1 min read

SVM regression (SVR) vs Linear Regression

One particular nice thing about SVR is that the weight of each feature reflects the feature’s true contribution. If some features are highly correlated (this is common in neuroimaging data – e.g. adjacent voxel activity are very similar),

Xu Cui
Nov 15, 2012 1 min read

“长眼睛”的优秀文献管理软件PaperBox为alivelearn读者提供免费账户

PaperBox是一款优秀的云端文献管理软件，许多顶尖名校(斯坦福大学，哈佛，北大清华等)的学生和教授（包括美国科学院院士）都在使用。和传统的文献管理软件（比如endnote等）不同，您可以为她安装

Xu Cui
Oct 30, 2012 4 sec read

聪明的驴子

从前，一个农民的驴子掉到了枯井里。农民在井口急得团团转，就是没办法把它救出来。最后农民断然决定：这驴子已经老了，这口枯井也该填起来了，不值得花太大精力去救驴子。于是就把所有邻居都请来，开始往井里填土。

Xu Cui
Oct 5, 2012 0 sec read

Recommending a free reference manager, PaperBox

Reference managing is pretty annoying. But you can’t do research without reading papers, and can’t write manuscript without citing papers. Here I recommend a program which will effectively solve this problem. PaperBox (http://www.paper-box.co/) is li

Xu Cui
Oct 4, 2012 1 min read