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I have managed to track the center x y coordinate and the radius of the pupil using opencv.

Now I want to measure the gaze using it.

If somebody can help me with the theory part of it, probably I will be able to code it.

Any open source program will also do.

Update : I am able to track a glint on the cornea also now. According to my online research the coordinates of the pupil is compared with the glint to estimate the gaze. How do I go about doing that?

Anirudh
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  • Looks to me like you just answered your own question. – John Jul 03 '12 at 16:49
  • @John But how do I deduce the gaze from it? – Anirudh Jul 03 '12 at 17:25
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    I think the question might be a nice fit for dsp.stackexchange.com, if you would expand on your question a little and give a little more information. Don't cross-post however, when you improve your question, flag it if you think it's better suited there. I'm sure you'll get better responses. – penelope Jul 04 '12 at 10:15
  • @penelope Thanks for the lead. I will post it there. – Anirudh Jul 04 '12 at 12:29
  • @anirudh65024x Once more, please, *do not cross-post* Flag you post and moderators will move it. Note that *nobody will want to move* low quality posts (as they will not get enough attention on either site) so make sure to include more information in the post. – penelope Jul 04 '12 at 12:44
  • @penelope Alright, I'll keep that in mind. – Anirudh Jul 04 '12 at 12:51
  • Do you know the location of the illuminator on the cornea? – John Jul 05 '12 at 02:28
  • @John. Do you mean the glint? Yes, Im able to locate it. – Anirudh Jul 05 '12 at 03:10
  • Sorry, I meant the location of the light, not the glint from the light. Looks like the lack of references would make for a good undergraduate paper. If you are an undergraduate, I can hook you up with an appropriate journal. – John Jul 08 '12 at 16:53
  • @John Actually I do have the location of the illuminatior. I am a undergraduate. It would be great if you could hook me up with any journal. – Anirudh Jul 11 '12 at 12:10

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Finally got some lead, from SO itself -

https://stackoverflow.com/a/4454006/1458387

Community
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Anirudh
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  • Hi, I am implementing the same kind of application , so far i have done accurate pupil detection , Can you please provide codes or materials to calculate gaze point on the screen – gouthaman93 Mar 07 '14 at 13:38