Eyes are not detected by eyetracker

[samrudhdhi]

Hello, I am using Tobbi X2-30 eyetracker. and using MATLAB binding for development. Problem is: I found some people (not all) for whom eyes are not even detected by eyetracker. I tried various illuminations, positions over multiple sittings. but for those specific persons, eyes were not detected in any situation. Note, for others eyetracking works flawlessly. what could be the issue for this failure?

[Konstantin [Tobii]]

Hi!
Regarding the Tobii X2-30 and the analytics SDK i’d like you to contact our Tobii Pro Support department.
http://www.tobii.com/sv/eye-tracking-research/global/contact/offices/support-contacts/

Cheers,
Konstantin

[Draulio Araujo]

I am having the same issue. Have you found out what is the matter?

[Grant [Tobii]]

Hi @draulio, could you kindly confirm your hardware and software setup please? If indeed you are using the X2-30, this is a product belonging to Tobii Pro Business department and you should contact them regarding this @

https://www.tobiipro.com/contact/support/

In any event, failure to detect eyes in certain individuals may be linked to a number of factors such as particularly thick glasses, heavy makeup, droopy eyelids, facial piercings, etc so worth taking a look at these factors.

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