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Questions tagged [eye-tracking]

Is the specific task of detecting and tracking eyes over frames captured from a camera or video.

In computer vision field, tracking objects, people, movement or states is a very common task.

Eye tracking is very popular for applications of human-machine interaction in order to detect where eyes are exactly looking to.

146 questions
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Double click timer event

I am developing an application that maps users eye movements with the cursor movements, hence developing ahands free cursor control system. I am using Open CV library's .NET Wrapper for C# i.e. Emgu CV for development. I am stuck at a point where I…
ykombinator
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Speeding up vectorized eye-tracking algorithm in numpy

I'm trying to implement Fabian Timm's eye-tracking algorithm [http://www.inb.uni-luebeck.de/publikationen/pdfs/TiBa11b.pdf] (found here: [http://thume.ca/projects/2012/11/04/simple-accurate-eye-center-tracking-in-opencv/]) in numpy and OpenCV and…
Ben
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iris to screen calculation for eye tracking

I'm currently experimenting with Eye tracking I've successfully built an iris tracking algorithm using OpenCV with contours and Hough transform. But the next step is unclear for me. I want to know if the calculations i'm doing are correct for…
Martijn Mellens
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Levenshtein distance with weight/penalty for adjacency

I am using the string-edit distance (Levenshtein-distance) to compare scan paths from an eye tracking experiment. (Right now I am using the stringdist package in R) Basically the letters of the strings refer to (gaze) position in a 6x4 matrix. The…
Martin Petri Bagger
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Analysis of Eye-Tracking data in python (Eye-link)

I have data from eye-tracking (.edf file - from Eyelink by SR-research). I want to analyse it and get various measures such as fixation, saccade, duration, etc. Is there an existing package to analyse Eye-Tracking data? Thanks!
Cranjis
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Eye Tracking for Unity3d

How could I go about implementing eye tracking in a Unity3D mobile project without external hardware for standalone machines?
IDK
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General algorithm to do eyes tracking

So, the think is i want to build a software who can track the possition of the pupil, but i cant find on internet a mathematical aproch to the problem. I want to see some examples of how to calculate the position of the pupil. Thanks!
DomingoSL
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Timestamp information of MP4

I want to ask for an easy way to get the timestamp information of a mp4 file. (Sorry that I am not familiar with codec.) I am reading the Tobii Pro Glasses SDK document that explains how to synchronize frame with eye tracking data, where they use a…
Zhenjie Zhao
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Interpretation of Psychopy/iohub Tobii Gaze Data

I have recorded gaze data using Psychopy/iohub and a Tobii TX300 eye tracker. Loading the hdf5 file shows the following entries in a BinocularEyeSampleEvent: ['experiment_id', 'session_id', 'device_id', 'event_id', 'type', 'device_time',…
brina
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Analysing Eyetracking EDF Files in Python

It's been quite some time since I used Python as I've been focusing on R in recent months. I've been using eye-tracking in Opensesame recently. I've placed Eyelink Logs 'PreBeep1' with content "PreBeep1_1st_Sketchpad" and 'PostBeep2' with content…
Docconcoct
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OpenNI eye tracking

I'm developing a project with OpenNI. I've already make a skeleton tracking, but I can't find how can I realize an eye tracking with this library. Is it possible or I'll have to adapt myself to using Opencv?
user1897949
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Find center of pupil/iris from image in Python

I'm working on a project to detect gaze direction using webcam feed in Python. Using the dlib library and OpenCV and using some masking techniques I can get a 60 fps feed of images of my eye like the one shown below. What I'm trying to do is find…
ortunoa
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Extract specific values from a string of real-time pupil labs data

I am working on an eye-tracking project and need to plot real-time gaze data from the pupil core system. I am currently reading in live values through a network API to python, and I get hundreds of data points every second. The data comes as a large…
achadd7
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Tobii Eye Tracking Manager Call From Python

I am trying to write a program in python that will be able to identify tobii pro nano eye tracker, then calibrate it and , finally, take some gaze data. All done using the help of tobii pro sdk package. According to tobii's step by step guide on how…
Pitoguro
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Is there a way so I can use GazeCloudAPI offline?

Is there a way so I can use GazeCloudAPI offline? For example, load the webpage and then use it without an internet connection? Thanks a lot
Daniel Lopes
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