World camera doesn't work anymore

[Andreas Schneider]

Hi all,

we're recently having problems with our pupil eye-tracker device. Despite the fact that it was working for a couple of weeks quite perfectly, all of a sudden the main camera stopped working.

When starting the program, an error is raised stating

"world - [ERROR] video_capture.uvc_backend: Init failed. Capture is started in ghost mode. No images will be supplied."

Note that this is happening while both of the eye cameras are working perfectly.

Any suggestions on how to resolve this issue? Is there any chance it to be not a hardware defect?

Any help is very much appreciated since we currently are in a time-critical user study. Thanks for your support.

Best regards

Andi

[Pupil Labs Info]

Hi,

I just want to follow up and close this thread. Andi contacted us via email as well. This turned out to be a hardware defect and we replaced the headset.

Best,

Moritz

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Pupil Labs

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[marily...@gmail.com]

On Wednesday, February 22, 2017 at 7:20:43 AM UTC-6, info wrote:
> Hi,
>
>
> I just want to follow up and close this thread. Andi contacted us via email as well. This turned out to be a hardware defect and we replaced the headset.
>
>
> Best,
> Moritz
>
>
>
>
> On Mon, Feb 20, 2017 at 10:24 AM, 'Andreas Schneider' via pupil-discuss <pupil-...@googlegroups.com> wrote:
>
> Hi all,
>
>
> we're recently having problems with our pupil eye-tracker device. Despite the fact that it was working for a couple of weeks quite perfectly, all of a sudden the main camera stopped working.
>
>
> When starting the program, an error is raised stating
>
>
>
>
>
>
>
>
>
> "world - [ERROR] video_capture.uvc_backend: Init failed. Capture is started in ghost mode. No images will be supplied."
>
> Note that this is happening while both of the eye cameras are working perfectly.
>
>
> Any suggestions on how to resolve this issue? Is there any chance it to be not a hardware defect?
>
>
> Any help is very much appreciated since we currently are in a time-critical user study. Thanks for your support.
>
>
> Best regards
>
>
> Andi
>
>
>
>
> --
>
> You received this message because you are subscribed to the Google Groups "pupil-discuss" group.
>

> To unsubscribe from this group and stop receiving emails from it, send an email to pupil-discus...@googlegroups.com.

>
> To post to this group, send email to pupil-...@googlegroups.com.
>
> To view this discussion on the web visit https://groups.google.com/d/msgid/pupil-discuss/f8e795c5-100e-4628-af96-3d4d7df12270%40googlegroups.com.
>
> For more options, visit https://groups.google.com/d/optout.
>
>
>
>
>
> --
>
>
>
> Pupil Labs
> research + development + design
> in...@pupil-labs.com
>
> www.pupil-labs.com

Hi,

I have just started having this same problem, the world camera was working fine, then stopped receiving an image, rather the eye camera image is being fed through both world and eye views.

Marilyn

[Pupil Labs Info]

Hi,

in this case please reset the capture settings and it should work again. You have the video source in both world and eye process set to the same input.

Best,

Moritz

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