For a 3d point in pointcloud, How to get Image and corresponding 2d point?
Very interesting question! I hope someone with more experience and knowledge in this space can offer you some guidance.
What is boundary.json. does it have any cue on how it can be done?
No, I don’t think it will help much.
Have you searched here to see if any of the prior similar questions can help you out?
You need to load each shot in
reconstruction.json file and project the 3d points on each shot. OpenSfm provides such functions to do it, but you might need to read the source code as there is no detailed documentation.
You can check Reconstruction type and its attributes for more details(shots, cameras)
what you said echoed approach in a post from here
shot = rec.shots[image] pt2D = shot.project(pt3D) pt2D_px = cam.normalized_to_pixel_coordinates(pt2D)
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