Can't detect calibration board

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Carlos
Posts: 2
Joined: Fri Apr 12, 2019 6:37 am

Can't detect calibration board

Post by Carlos » Fri Apr 12, 2019 6:44 am

Hi!

I have troubles getting the calibration board detected during camera calibration. Most of the time no frame is captured during the automatic mode. Am I doing something wrong?

Thanks
k.schauwecker
Posts: 28
Joined: Mon Mar 25, 2019 1:12 pm

Re: Can't detect calibration board

Post by k.schauwecker » Fri Apr 12, 2019 6:46 am

Hi Carlos

There are a few reasons that could prevent a detection:

* Low image contrast
* The pattern is outside of the visible range for one camera
* At least one circle of the pattern is occluded
* The pattern is too far away
* The pattern is very unevenly illuminated (e.g. a strong shadow on the pattern)
* The calibration pattern has the wrong geometry

If you keep on having problems, please post a picture of the calibration interface where we can see the calibration pattern. That would allow me to give you better feedback.

Konstantin
Carlos
Posts: 2
Joined: Fri Apr 12, 2019 6:37 am

Re: Can't detect calibration board

Post by Carlos » Fri Apr 12, 2019 7:30 am

Thanks, I got it working now. Seems like the pattern was too close to the camera and the right camera didn't see one column of circles.
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