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GEM3D: GEnerative Medial Abstractions for 3D Shape Synthesis
Feb. 28, 2024, 5:42 a.m. | Dmitry Petrov, Pradyumn Goyal, Vikas Thamizharasan, Vladimir G. Kim, Matheus Gadelha, Melinos Averkiou, Siddhartha Chaudhuri, Evangelos Kalogerakis
cs.LG updates on arXiv.org arxiv.org
Abstract: We introduce GEM3D -- a new deep, topology-aware generative model of 3D shapes. The key ingredient of our method is a neural skeleton-based representation encoding information on both shape topology and geometry. Through a denoising diffusion probabilistic model, our method first generates skeleton-based representations following the Medial Axis Transform (MAT), then generates surfaces through a skeleton-driven neural implicit formulation. The neural implicit takes into account the topological and geometric information stored in the generated skeleton …
abstract abstractions arxiv cs.ai cs.cv cs.gr cs.lg denoising diffusion encoding generative geometry information key probabilistic model representation synthesis the key through topology type
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