how to alinge the 3dlandmark tracked from the input video, to get the fixed 3dlandmark which is fixing by the contour or center point ?

[foocker]

is there some resource? or some fake code? https://www.mathworks.com/help/vision/ref/estimategeometrictransform3d.html https://docs.scipy.org/doc/scipy/reference/generated/scipy.spatial.transform.Rotation.align_vectors.html
http://learning.aols.org/aols/3D_Affine_Coordinate_Transformations.pdf https://en.wikipedia.org/wiki/Kabsch_algorithm