AI RESEARCH
TopoMesh: High-Fidelity Mesh Autoencoding via Topological Unification
arXiv CS.CV
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ArXi:2603.24278v1 Announce Type: new The dominant paradigm for high-fidelity 3D generation relies on a VAE-Diffusion pipeline, where the VAE's reconstruction capability sets a firm upper bound on generation quality. A fundamental challenge limiting existing VAEs is the representation mismatch between ground-truth meshes and network predictions: GT meshes have arbitrary, variable topology, while VAEs typically predict fixed-structure implicit fields (\eg, SDF on regular grids