Author

Xiang-Hui Yang

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Preprint Aug 2026

GeoFF3D: Coordinate-Anchored Feed-Forward Reconstruction for Large-Scale UAV Mapping

GeoFF3D reconstructs 2,000 images in approximately five minutes, demonstrating scalable and robust large-scale UAV reconstruction, which combines a coordinate-anchored model with a spatial large-scale reconstruction framework (SLRF).

Xiang-Hui Yang, Yongli Wang, Yunsheng Zhang et al. · 1 citation

Preprint Aug 2026

Beyond Global Latents: Chunk-Based Sparse Grid VAE for Scalable 3D Modeling

ChunkVAE, a sparse grid variational autoencoder organized around local chunks rather than a global latent volume, is introduced, indicating that local compression can scale geometry while retaining the global interface required downstream.

Kaiyi Zhang, Zhihao Liang, Haolin Liu et al. · 0 citations