VFX Compositing Workflow with Blender and COLMAP

A 3D sphere casting a diffuse shadow on a reflective surface, with a scenic background and a geometric shape in the foreground.

Polyfjord recently shared how to use COLMAP for simple photogrammetry + camera motion reconstruction from footage – he now applies this technique to a VFX project.

In this tutorial we’ll be taking a look at a surprisingly powerful VFX compositing workflow/hack in Blender 4.5! We’ll be doing a projection based in-camera VFX technique that uses no geometry other than an infinite cyclorama backdrop to project the video texture on. It’s a fun, quick and dirty compositing setup, which in many cases it can be fast, powerful and easy to experiment with!

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