#23 · Primary category： 3D Generation & Asset Creation
LongSplat
[ICCV 2025] LongSplat: Robust Unposed 3D Gaussian Splatting for Casual Long Videos
Project last updated：01/19/26
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Why we included this project
LongSplat turns casually shot handheld video into a navigable 3D scene without a separate structure-from-motion pass. It estimates camera poses with MASt3R and refines them through incremental joint optimization as it builds the reconstruction. Adaptive octree anchoring keeps memory use in check on longer sequences. A converter exports results to the standard 3DGS point-cloud format, so you can open them in common Gaussian splatting viewers. The repo ships training and evaluation scripts plus guidance for running on your own footage, which makes it a practical starting point for researchers and engineers prototyping novel-view synthesis. One caveat: the code sits under NVIDIA's non-commercial license.
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