ArUco example doesn't seem to work.

Question

I'm running:

guvcview -ao none -f YUYV -x 320x260 -d /dev/video1

I am trying to detect one of the provided markers:

No luck. Any clue what may be going wrong?

Answer 1

You need to put the marker on a white background - the outline of the black square is a critical part of the marker.