Tutorial: Turn MiniMax AI Video Into Gaussian Splatting 3D via COLMAP
Many-Ad-6225 · reddit · 2026-09-17
The author shares a full pipeline for turning AI-generated video into a Gaussian Splatting 3D model: first, prompt MiniMax with a strictly frozen character and a smooth 360° single-shot orbit (no movement, no cuts). Then in COLMAP, import extracted frames, run feature extraction — critically selecting the SIMPLEPINHOLE camera model — run feature matching, start reconstruction, and export the model. Finally, import into Gaussian Splatting tools like Postshot or Brush. The trick uses the video model as a virtual orbit camera rig, skipping real multi-angle capture entirely.
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