ar_track_alvar rotation changes suddenly

asked 2019-09-19 11:58:02 -0500

Hank gravatar image

I had that problem that some markers get detected as their mirrored version and then suddenly get a flipped z axis facing the rear side. Same as @Mehdi. How could you solve this? which orentation is right?

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Well they should always be facing the camera otherwise it wouldn't make sense, so check the quaternion range of markers with a Z vector facing the camera and try to get some threshold.

Mehdi. gravatar imageMehdi. ( 2019-09-20 05:05:23 -0500 )edit