alicevision / CCTag

Detection of CCTag markers made up of concentric circles.

Home Page:https://cctag.readthedocs.io

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[question] marker size

simin75simin opened this issue · comments

Describe the problem
I get the idea from this page that the marker shall be proportional to u / f, which I think is the upper left entry of the intrinsic matrix?
Thanks for answering in advance.

it's a rule of thumb.
f is the focal length, so yes the first element of the calibration matrix.

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