[visionlist] Fwd: About help on eye-tracking of head free non-human primates

Harish Katti harish2006 at gmail.com
Sun Jul 15 01:21:28 -05 2018

   I'm forwarding this mail on behalf of Dr Goossens.


---------- Forwarded message ---------
From: Jeroen Goossens <J.Goossens at science.ru.nl>
Date: Sun, 15 Jul 2018, 01:43
Subject: Re: [visionlist] About help on eye-tracking of head free non-human
To: Harish Katti <harish2006 at gmail.com>

Hi Harish,
My response somehow didn’t make it to the visionlist. Perhaps you can post
it? Others might be interested in this system too.

Sent from my iPhone

On 14 Jul 2018, at 19:52, Harish Katti <harish2006 at gmail.com> wrote:

Dear Dr Goossens,
   Thanks for the prompt response. We will try out your system.


On Sat, 14 Jul 2018, 22:12 Goossens, <J.Goossens at donders.ru.nl> wrote:

> Dear Harris,
> We recently developed a two camera system that might fit you needs. See:
> Barsingerhorn, A.D., Boonstra, F.N., Goossen, J. , Development and
> validation of a high-speed stereoscopic eyetracker. *Beh**. Res. Meth.*,
> 2018. doi: 10.3758/s13428-018-1026-7.
> It is not yet tested on macaque, but with some tweaking of the software, I
> think it should work. The software is available on our GitHub repository:
> https://github.com/Donders-Institute/Stereo-gaze-tracking
> <https://www.researchgate.net/deref/https%3A%2F%2Fgithub.com%2FDonders-Institute%2FStereo-gaze-tracking>
> If you have any further questions about the implementation, we ‘d be happy
> to help.
> Best,
> Jeroen
> --
> H.H.L.M. (Jeroen) Goossens, PhD
> Dept. Cognitive Neuroscience (205), Biophysics division,
> Donders Institute for Brain, Cognition and Behaviour,
> Radboud University Nijmegen Medical Centre
> Office 02.274 (route 200) Trigon
> Kapittelweg 29, 6525 EN Nijmegen
> The Netherlands
> T: +31 24 36 55645 <+31%2024%2036%2055645>
> E: J.Goossens at donders.ru.nl
> http://www.mbfys.ru.nl/~goossens
> On 14 Jul 2018, at 08:30, Harish Katti <harish2006 at gmail.com> wrote:
> Dear all
>       I am Harish, a post-doctoral fellow in Dr SP Arun's experimental
> vision group at the Centre for Neuroscience, Indian Institute of Science.
> I'm posting this to get feedback from researchers who have tried
> automated eye-gaze/head-pose/body-pose tracking of freely moving non-human
> primates.
> In our lab we are trying to setup eye tracking in monkeys without any
> head restraints. Our plan is to have a behavioural arena where the
> animal is not head-fixed and can come up to a touch screen and perform
> simple tasks in return for juice rewards. Since the animals are not
> head-fixed, the eye-tracking needs to be done in a manner that can
> handle change in body and head pose. We have been evaluating a few
> commercial eye-tracking systems but find that the trackers have
> difficulty in finding the face/eyes. It will be nice to have your inputs
> on the following issues,
> 1. Is there a good eye tracking system that already has macaque face
> appearance templates bulit in?
> 2. Are there any novel ways of placing  the screen and tracker that
> result in better eye-tracking? We have tried various ways of placing
> trackers below the screen and at various distances from the animal.
> 3. Are there multi-camera eye-tracker systems that we can set-up from
> different view points so that one or more can always have a clear view
> of the animal?
> 4. Do these systems have hardware input for behavioral event markers and
> analog/digital outputs of eye-gaze data so that we can sync it with our
> neural data acquisition.
> best,
> Harish
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