Author

Kaiyi Zhang

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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

Jul 2026

MSVS-VAE: Multi-Scale Anchored VecSet for High-Fidelity 3D Reconstruction

The key idea is to progressively densify anchored VecSet latents via hierarchical point-shuffle upsampling, increasing spatial capacity for fine-grained geometry modeling and replacing global cross-attention with AVS-Conv, a geometry-aware local aggregation operator operating within local neighborhoods rather than the...

Dehao Hao, Kaiyi Zhang, Tanghui Jia et al. · arXiv.org · 0 citations