Author

Song Li

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Preprint Aug 2026

VGGT-Align: Bridging Local Reconstruction and Global Consistency for Long-Sequence 3D Reconstruction

This work proposes Scene Geometric Invariant Anchoring (SGIA), which extracts dominant geometric invariants from each chunk's predicted point cloud via coarse-to-fine robust estimation and exploits their cross-chunk consistency to establish scale constraints independent of point cloud registration.

Wei Zhang, Yihang Wu, Song Li et al. · 2 citations · ⚡1