I know two ways.
The first one is to measure the non-linear flow of the filaments. Check this : https://wiki.bambulab.com/en/software/bambu-studio/calibration_pa
The other one is to measure vibrations responses to avoid some frequencies. It removes ghosting.
J’étais venu pour dire du mal d’un collègue mais j’ai oublié.
C’est bête.