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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Can the affdex SDK be used for eye tracking?

I want to track the positions of eye balls in every frame (eye tracking) using affdex. Is this possible?
Halaby
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Can haar cascade detect sinle eye in livestream

I want to track eye from an head mount camera and i am using haar cascade @ eyecascade i am able to detect eye when two eyes are in the frame and unable to track when only single eye is in the frame of the camera. Does eyecascade in haar cascade…
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Opencv Single eye tracking with head mount camera in cpp

I want to track a single eye in Opencv in cpp . i will be using a head mount camera [normal / ir camera], i have tried different algorithms but every code is related to head pose estimation technique . Can anyone suggest any algorithm with code or…
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Error while importing psychopy.iohub

I'm trying to use iohub to incorporate Eye-Tracking (SR-research Eye-Link) support in my experiment in Psychopy. I'm using python2.7 on a Mac. However, I get an error while I'm trying to import it: from psychopy.iohub.datastore.util import…
Cranjis
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what is the android APIs supported by opencv library?

I am trying to use opencv(2.4.9) with android studio(2.3.3) to develop an eye tracking application used mainly on tablet ... my question is : what is the suitable API verstion of the android device that can i use? and is the model of the device has…
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Are there any existent iris/eye recognition libraries for Android's Java or similar languages?

I'm curious if there are any iris recognition libraries already existent for Java in Android, or at least in a similar language (or Java in general). I found a matlab library, but I'm having difficulty understanding it and I just wanted to see if…
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Thresholding for Pupil (Eye Tracking) - OpenCV with C++

I have just started to work on pupil tracking. I have did some thresholding for the pupil but still not as accurate as needed. Below is my current thresholded image Current Thresholded image I would preferably like to see only the pupil in the…
MBT
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Convert Smoothed gaze coordinates to raw gaze coordinates

How can I convert smoothed gaze coordinates (in range [0,1]) to raw gaze coordinates (pixel coordinates) mathematically (I am using Eyetribe eye tracker)? I have tried multiplying smoothed gaze coordinates with the screen resolution but that doesn't…
Goku95
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Eye tracking in psychopy with EOG

I'm designing an experiment in which participants are required to remain fixated on a central cross, and I will be monitoring their eye movements using EOG electrodes (I don't need detailed information about how their eyes move, I just need to know…
Lyam
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Timing issues Psychopy PyGaze EyeTribe Eyetracker (Multithreading)

I have an experiment in which I present stimuli using PsychoPy / PyGaze and track eye movements with an EyeTribe eye tracker. In this experiment I update the size of two visual stimuli on each frame (at 60 Hz). I prepare each frame beforehand and…
Hanne
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set fixation events in psychopy/ioHub for eyelink dataviewer

I am using psychopy and iohub to collect eyetracking data collection with the eyelink (sr research) system. I would like to be able to set two things up: fixation events (where fixation for 100ms at a certain point is required for the next part of…
Mik
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IoHub for eye tracking

Can ioHub be used with Eye Tribe glasses? Using ioHub, is it possible to detect sacaddic, blinks, and fixations?
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Package to Analyse Eye Tracking data

I'm doing a research on saccadic eye movements for pre-dementia. There's a package for Saccade and Fixation Detection from eye tracking data https://github.com/tmalsburg/saccades How can I get the eye tracking data?
sarmad
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Pathfinding for eye-tracking data through an 8x5 grid

I have some time series eye tracking data (x-y coordinates over time) from a 2560x1600 monitor. I've reduced these coordinates to a single column of values ranging from 1-40 according to 40 equally-sized 320x320 pixel blocks. See pic below for…
smgmu
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Fifo : acces all elements in it

my problem is pretty simple, I am using an eye tracking device, which sends gaze position every 30ms approximately. So, every 30ms, a variable smoothedCoordinates is updated. I would like to determine, using the last X (10 for example) values of…
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