I have a projector that might move in 3D space, It will project to 2D plane, so I have a 2D image (as projection result), When I move the projector in one or all 3D axis (rotation-X, rotation-Y, rotation-Z), it produces rotation, shear on the 2D projected image. As well when I change FOV of the projector (vertical and horizontal), it produces a scaling on the 2D projected image. Now what I can know is the transformation matrix (affine or perspective) between projected images, before and after projector moving. My question is : using the transformation matrix, how can I estimate angles of rotations in 3D space and the angles of FOV of the projector after moving it in the space? As shown in the attached schema 
2026-03-29 18:02:07.1774807327
Know 3D rotations from 2D projection transformation
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