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Fundamental understanding of tvecs rvecs in OpenCV-ArUco

I want to use ArUco to find the "space coordinates" of a marker. I have problems understanding the tvecs and rvecs. I came so far as to the tvecs are the translation and the rvecs are for rotation. But how are they oriented, in which order are they written in the code, or how do I orient them?

Here is a little sketch of the setup. I have a camera (laptop webcam just drawn to illustrate the orientation of …

python opencv orientation marker aruco

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