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etiennedub / pyk4a

Python 3 wrapper for Azure-Kinect-Sensor-SDK
MIT License
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Depth image counts to units conversion #205

Closed vstadnytskyi closed 1 year ago

vstadnytskyi commented 1 year ago

Hi,

Do we know what is the conversion factor between counts (unsigned integer 16) in Azure Kinect DK? The capture object does not have a field for it. Is it in millimeters?

Thank you

vstadnytskyi commented 1 year ago

I have done few tests. I have a motorized stage and if I move by 10 mm away from my target, the number changes by 10-11 counts. From this I can conclude that the returned integer values in the depth image are indeed millimeters.

Can anyone else confirm it?

lpasselin commented 1 year ago

Yes, this is mentionned in the official documentation of the kinect azure. It is in mm.