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.

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SwiftUI Eye Tracking: Eye tracking performance is slow but on device rotation runs smoothly

I have recently started to code on SwiftUI with no knowledge or experience in Application programming. I have a simple eye gaze tracking app using this Framework: https://github.com/ukitomato/EyeTrackKit Using the given examples i have this code…
Eran
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Expand time series in new dataframe R

I am new in R, I have collected eye-tracking data that has the following structure: Participant Trial Condition Fixation.Start Fixation.End Fixated.Area P01 T01 Early 4 206 Outside P01 T01 Early …
Miguel
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WebGazer.js unexpected end of input

So I'm trying to play around with WebGazer but I'm already stuck at loading the js file. The webgazer.js file consists of 140k line of codes, but when I load my page the js file only loads until line 94k. I don't want to use NPM cause it's causing…
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Analysis of eye and head motion data obtained from a mobile eye tracker

I want to analyze the head movements data obtained from Pupil invisible mobile eye tracker. The experiment was a free viewing task in which the participants supposed to look at the images projecting on a big wall projection (via beam projector) and…
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Using if else statements to create a flexible formula that can adjust based on stimuli being presented

I hope all is well. I recently developed a code (with the help of the wonderful stack overflow community) to calculate time to first fixation, first fixation duration, and total visit duration to areas of interest. I now want to update this so it…
Caroline
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Calculating time to first fixation, first fixation duration, and visit duration from series of fixations (eye tracking; R)

I hope everyone is doing well. I am currently working with an eye tracking dataset. I have processed the fixations using the R package "gazepath". This has provided me with an output of fixations to particular coordinates on a x/y plane. My goal is…
Caroline
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Is it possible to fire Click event on button through eye tracker using python? how?

I want to perform click function if user through eye tracker is looking at some position on the screen for 2 seconds I am getting position value through eye tracker and saving into a text file, but don't know how to perform click function.
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Trying to use createGraphics() in p5.js along with eye tracker and it isn't working

I'm still a beginner coder and I'm making a project where the eye positions (networked by socket) of two clients when landing on the same positions on the canvas would play the music note it lands on. I'm still in the beginning stages of this…
Laiqa Mohid
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Moving mouse pointer on Android Studio

I am developing an eye-tracking application that moves a mouse pointer based on the coordinates of the eyes. I successfully detected the coordinates of the eyes but wasn't able to create a mouse pointer that moves accordingly. I am a beginner in…
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Live Iris Detection with OpenCV - Thresholding vs HoughTransform

I am trying to create an application that is able to detect and track the iris of an eye in a live video stream. In order to do that, I want to use Python and OpenCV. While researching for this on the internet, it seemed to me that there are…
Alex1
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How can one find where a user is looking in a Unity scene based on Head Position, Rotation, Gaze Origin and Direction?

I have a Unity scene playing a 360-degree video. The user views the 360-degree video using a HTC Vive HMD with Integrated Tobii Eye Tracker. I am using Tobii prefabs to save Raw and Unity Data to an XML file. The XML file has parameters and values…
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Creating a new CSV file everytime the script is enabled in unity 3D

I created a Scene in Unity using VR and I want to track the Position of the User and save it to a CSV file. Since I only want the Position of the for certain Tasks I dont want to run the script for the whole Scene. So created a Script that enables…
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Problems in the analysis of gaze data R package saccades

I got eye tracking gaze data in the form of x/y coordinates and timestamps. Now I want to plot the saccades using the R package saccades. Unfortunately, it doesn't work. I guess it's a matter of having the data in the wrong format. My…
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Measure the time a person has gazed at multiple objects

I'm trying to create an UWP app that measure's the time a person has gazed at multiple objects. There are around 300 objects and they all need to measure the time and display that in a text file. I've succesfully coded this for just one object, but…
Vincent
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Multivariate Hidden Markov Model implementation question

I have to categorise a signal from an eye tracker. I have a single vector representing velocities of the eye at a given time. The idea is that when the velocity is low there is a high chance that it is a fixation and when the velocity is high it is…