A bilevel flow matching model that first samples a shape code and then generates points conditioned on it matches or improves on prior point cloud generators with far fewer sampling steps.
Pointgpt: Auto-regressively generative pre- training from point clouds.Advances in Neural Information Processing Systems, 36:29667–29679, 2023
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Hierarchical Flow Matching for 3D Point Cloud Generation
A bilevel flow matching model that first samples a shape code and then generates points conditioned on it matches or improves on prior point cloud generators with far fewer sampling steps.