HiDiGen decouples B-rep generation into a two-stage hierarchical diffusion process with explicit face-edge and edge-vertex topological constraints to produce novel, diverse, and valid CAD models.
Kipf and Max Welling
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HiDiGen: Hierarchical Diffusion for B-Rep Generation with Explicit Topological Constraints
HiDiGen decouples B-rep generation into a two-stage hierarchical diffusion process with explicit face-edge and edge-vertex topological constraints to produce novel, diverse, and valid CAD models.