This is a small experiment with camera mapping technique. Starting with a high resolution photo, I edited the building I wanted to replace and clone stamped over it to take most of it out of the picture.
I then matched the camera angle and recreated the whole scene with basic meshes to finally use camera mapping to project the photo on top of it. Finally I made a new building which I rendered and used compositing for color correction to make it blend with the original photo.
For the camera motion I shot a scene outside with my hand-held camera so I could track it and get a more realistic looking movement, I did the final walking motion with some manual animation keys in a 3d software.
Here is the final video:
Tags: 3d, building replacement, camera mapping, camera projection, compositing, motion tracking
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