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There is already a lot of research on the 3D reconstruction and camera movement part, for example this SIGGRAPH 2023 paper: https://research.nvidia.com/labs/nxp/lp3d/

In order for this to work for gaze correction, you'd probably need to take into consideration the location of the camera relative to the location of the eyes of the person on the screen, and then correct for how the other person is holding the phone, and it would probably only work for one-on-one calls. Probably need to know the geometry of the phone (camera parameters, screen size, position of camera relative to phone)

Would be amazing, not sure how realistic it is.




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