Re: 3D Pop-Left (or Right)


The third top-view image is indeed not absolutely needed.
For example, I (of course) did not have one for this phantogram of Ingenuity on Mars:

However, it simplifies the process a lot, because you do not need to worry about the focal length to get the right correction/aspect ratio.
If you manage to match the reference object in the top-view, the correction is correct.


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