WebGazer.js

WebGazer.js is an eye tracking library that uses common webcams to infer the eye-gaze locations of web visitors on a page in real time. The eye tracking model it contains self-calibrates by watching web visitors interact with the web page and trains a mapping between the features of the eye and positions on the screen. WebGazer.js is written entirely in JavaScript and with only a few lines of code can be integrated in any website that wishes to better understand their visitors and transform their user experience. WebGazer.js runs entirely in the client browser, so no video data needs to be sent to a server. WebGazer.js can run only if the user consents in giving access to their webcam.

Features

Real time gaze prediction on most major browsers
No special hardware - WebGazer.js uses common webcams
Self-calibration from clicks and cursor movements
Easy to integrate with a few lines of JavaScript
Swappable components for eye detection
Multiple gaze prediction models

How to install

Download the webgazer.js file located here or use the file build/webgazer.js from this repository.

If you want to build the repository from source follow these instructions:

git clone https://github.com/brownhci/WebGazer.git
cd build
./build_library

Examples

Examples of how WebGazer.js works can be found here.

Browser Support

The following browsers support WebGazer.js:

Google Chrome
Microsoft Edge
Mozilla Firefox
Opera

Your browser needs to support the getUserMedia API as seen here.

Citation

@inproceedings{papoutsaki2016webgazer,
author     = {Alexandra Papoutsaki and Patsorn Sangkloy and James Laskey and Nediyana Daskalova and Jeff Huang and James Hays},
title      = {{WebGazer}: Scalable Webcam Eye Tracking Using User Interactions},
booktitle  = {Proceedings of the 25th International Joint Conference on Artificial Intelligence (IJCAI)},
year       = {2016},
}

Who We Are

Alexandra Papoutsaki
James Laskey
Jeff Huang

License

Copyright (C) 2016 Brown HCI Group

Licensed under GPLv3.

License

caranicas/WebGazer

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