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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.

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R -Eye Tracking packages for SMI's BeGaze users

Currently, we are working on an eye-tracking study and we are not quite satisfied with the analysis option of SMI’s BeGaze. Hence, I would like to ask you know good way to extract data from BeGaze, which can be processed by a handy R-package, which…
David F. Urschler
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How does Eye tracking calibration helps the gaze estimation?

I am asked to create calibration for the eye-tracking algorithm. However, I still don't really understand about how does the calibration helps in making our gaze estimation more accurate, as well as how calibration in eye-tracking actually works. I…
TimBluesWin
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Error: replacement has 1810947 rows and data has 1810956 (same each time) for pupil data

I have a large dataframe in R (data) made up of 23 .gazedata files (one for each subject): filenames <- list.files("~/Desktop/DUT Analyses 2019", pattern = "*.gazedata", full.names = TRUE) ldf <- lapply(filenames, read_tsv) data <- do.call("rbind",…
HairyBiscuits
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Create an heatmap using pupil lab hmd package

My goal is to generate and export spherical videos or still images with heatmaps generated from gaze postions. I use an htc vive, unity software and pupil hardware (https://pupil-labs.com/vr-ar/) These are the sites where is explained how to do…
Irene Capecchi
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How can I get tuple values (from a class) in my main function?

I am using multiprocesssing in Python 3.5. #Multiprocessing def main(): p1 = multiprocessing.Process(name="p1", target=datac) p2 = multiprocessing.Process(name="p2", target=test) p2.start() p1.start() if __name__ == "__main__": main() There are…
greatdsa
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How to open *.idf eye tracker data that was created wih "i view X" system from "SMI"

The "IDF Converter" program is lost, SMI website doesn't include the programs. Any way to open the *.idf files or convert them into any other format readable by python or MATLAB?
zixmarkiz
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how to find image for computervision programs

hi i'm trying some eigenvector tecniques for eyes and face recognition where can i find databes of pictures? like a databe with eyes of the same dimension - for example
nkint
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Measure pupil size in image of eyes

I've been trying to find a way to measure the size of a pupil in a close-up image of an eye. I want to turn this into an Android app. I have previous Android experience but can't find any Java solutions to the problem itself. There is lots of…
Mark452452
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Why is await Task.Run needed when calling C# from Node.js via Edge.js?

I have this sample C# code that connects to the EyeX engine of the Tobii EyeX eye tracking device, subscribes to a gaze data stream and writes the result to the console. var eyeXHost = new EyeXHost(); var stream =…
melhosseiny
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Invalid cameras calibration for an head mounter Eye Tracking system

I'm working on an Eye Tracking system with two cameras mounted on some kind of glasses. There are optical lenses so that the screen is perceived at around 420 mm from the eye. From a few dozen pupil samples, we compute two eye models (one for each…
Gabrielle de Grimouard
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Strange behavior while computing string width in pixels for simulation of word wrap

Trying to get string width in C# to simulate wordwrap and position of text (now written in richTextBox). Size of richTextBox is 555x454 px and I use monospaced font Courier New 12pt. I tried TextRenderer.MeasureText() and also…
Gondil
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Eye Pupil Tracking using Hough Circle Transform

I have a project of Eye Controlled Wheel Chair where I need to detect the pupil of the Eye and according to its motion the Wheel Chair moves. As a test for the code I am writing I performed the script on a static image. The image is exactly where…
Tes3awy
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Eye Tracking for Eye Controlled Wheel Chair OpenCV+Python

I am trying to implement a code the get the centroid of the eye and track the eye movement to control a wheel chair. The code applied on an image is: import cv2 import numpy as np image = cv2.imread('eye pupil.jpg') gray = cv2.cvtColor(image,…
Tes3awy
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C# get given YouTube video's duration

I'm working on an EyeTracking Windows Forms application that opens a YouTube video on the screen, and starts tracking eye movements while the video is playing. I need to know the video's duration in order to en the EyeTracking Stream. 1) Should I…
Burak Kaan Bilgehan
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Relationship of video coordinates before/after resizing

I have a 720x576 video that was played full screen on a screen with 1280x960 resolution and the relevant eye tracker gaze coordinates data. I have built a gaze tracking visualization code but the only thing I am not sure about is how to convert my…
Stephen
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