Research
HiP3R uses hierarchical pose graphs for long-video 3D reconstruction
HiP3R optimizes a chunk-level Sim(3) graph for global layout and scale, then estimates one shared SE(3) camera per frame, without extra training. It works with both chunk-based and streaming backends.
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Hugging Face PapersResearchLead
HiP3R: Hierarchical Pose Graphs for Long-Horizon 3D Reconstruction