Tutorial | fNIRS data processing toolkit homer2 download and installation

In the early stage, our official account pushed 《fNIRS Function near infrared data processing toolkit large disk point （ The most complete network ）》, To the existing fNIRS The data processing toolkit is summarized . among Homer2 It's right fNIRS A common toolkit for data preprocessing . This article will share with you Homer2 Download and installation method of , I hope it can help you .

1.Homer2 brief introduction

Homer2 It's based on MATLAB The toolkit , yes fNIRS A common free open source platform for data analysis and display , From MGH-Martinos It was jointly developed by biomedical imaging center and many scholars at the University of Pittsburgh . The toolkit is used to analyze fNIRS Data to obtain estimates of brain activation and topographic maps .Homer2 It contains a wealth of processing functions, which can be passed through GUI The interface can flexibly select and set the processing flow , Thus to fNIRS Data preprocessing . Motion artifact removal alone provides a variety of common methods , Such as spline interpolation （Spline）、 Principal component analysis （PCA）、 Wavelet analysis （Wavelet） etc. .

2.Homer2 download

You can go Homer2 Download from the official address , The official address link is https://homer-fnirs.org/. After entering the website , Click on download（ chart 1）, Get into Download Interface （ chart 2）, Click on NITRC site, Enter the download interface （ chart 3）. Of course, you can also link directly https://www.nitrc.org/projects/homer2 Enter the download interface .

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Drag the page mixer bar to slide the page down to see the download location （ chart 4）. Click the drop-down arrow to see Homer2 All versions of . Please note that ： Here we choose to apply to Matlab Version used v2.8,p2.1:homer2_src_v2_8_11022018. Click the blue download button on the right . Enter interface （ chart 5） after , Click the green consent button , You can download it. .

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3.Homer2 install

First step ： Unzip the file . Unzip the compressed file , open homer2 Folder , You can see homer2 All files contained in （ chart 6）. Generally, the folder is placed in D Just a plate .

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The second step ： stay Matlab Add Homer2 file , Install the tool kit . open Matlab, Select the setup path , In the pop-up interface （ chart 7） in , choice .

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Find and unzip the file just now homer2 Path to folder , Selected folder homer2, Then click... In the lower right corner “ Select the folder ” that will do （ chart 8）.

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After the Set Path See the added... In the interface homer2 file （ chart 9）, Click the Save button below , Then click the close button , The installation is complete .

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The third step ： call Homer2 tool kit , Verify that the installation was successful . Now let's verify whether the installation is successful . First of all, will Matlab The current path of is set to the .nirs The folder where the file is located , After the Matlab Input in the command window “Homer2_UI”（ Pay attention to the correct input of case and underline of letters ）, Then click enter on the keyboard , You can open Homer2 The interface of .

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Installation successful ！ Interested friends, please follow this tutorial , Start Homer2 Learning journey of ！