How to implement calibration algorithm for camera?

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I would advise you some starting nodes from the internet:

1) Do you wanna do intrinsic or extrinsic calibration?

2) Intrinsic calibration has to be done first!

-> Do you wanna do it with arucu markers (the aruco markers lib or a aruco marker to ros bridge is required)

-> Do you wanna do it with a checkerboard see here: http://wiki.ros.org/camera_calibration

3) Exrinsic camera calibration.

-> option with ros industrial see here: http://wiki.ros.org/industrial_extrin...

-> do it with arucu markers see here: https://github.com/tentone/aruco , https://github.com/joselusl/aruco_eyethis is what I use