Xu Cui while(alive){learn;} – Page 30

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

fNIRS 2018

fNIRS 2010 conference will be held during October 5-8, 2018 in Tokyo, Japan. You may find more information at http://fnirs2018.org/. The early registration deadline is 2018-09-05.

Xu Cui
Aug 29, 2018 5 sec read

Temporal resolution of CW fNIRS devices

This is a guest post by Ning Liu from Stanford University. Temporal resolution provides information on the distance of time between the acquisitions of two images (data) of the same area. It is the reciprocal of sampling rate (or acquisition rate) of

Xu Cui
Aug 10, 2018 1 min read

Deep learning training speed with 1080 Ti and M1200

I compared the speed of Nvidia’s 1080 Ti on a desktop (Intel i5-3470 CPU, 3.2G Hz, 32G memory) and NVIDIA Quadro M1200 w/4GB GDDR5, 640 CUDA cores on a laptop (CPU: Intel Core i7-7920HQ (Quad Core 3.10GHz, 4.10GHz Turbo, 8MB 45W, Memory: 64G).

Xu Cui
Jun 19, 2018 1 min read

You can start to use Stork in 10s!

Stork is a simple app for researchers to follow up scientific publications. It only takes me 10s to start. https://www.storkapp.me/?ref=alivelearn

Xu Cui
May 21, 2018 5 sec read

Find cheapest flight

Another option is https://www.kayak.com/flights, which is also useful to find cheapest flight. I booked a direct flight (non-stop) from San Francisco to Beijing for my father last October. The cost is ~$300. It’s fairly che

Xu Cui
Apr 26, 2018 25 sec read

Recommend 3blue1brown

When I was in high school and saw the following equation, my mind was blown! $$1+\frac{1}{4}+\frac{1}{9}+\frac{1}{16}+…=\frac{\pi^2}{6}$$ Why is Pi here? Isn’t it supposed to show up only in circle related problem? But the left-hand has n

Xu Cui
Apr 24, 2018 22 sec read

To beginner: task-based fNIRS study design (2)

This is a guest post by Ning Liu from Stanford University. – A basic block design includes two conditions: task condition and control condition. The two conditions present alternatively, thus is also called ‘AB block’ (Fig. 1A). This design assumes t

Xu Cui
Mar 19, 2018 1 min read

浅谈近红外脑成像（fNIRS）任务态实验设计（二）

本文作者是斯坦福大学刘宁传统的组块设计(block design)通常包括两种组块：任务组块和控制组块，又被称为“AB block”设计（如图1A）。这种设计基于一个假设：两种组块条件下的意识态

Xu Cui
Mar 19, 2018 9 sec read

To beginner: task-based fNIRS study design (1)

This is a guest post by Ning Liu from Stanford University. — For someone who has no imaging background and just began to use fNIRS, s/he might be surprised to find out that the imaging study design is so different with study designs in other fi

Xu Cui
Mar 10, 2018 45 sec read

All Articles

Explore →