Compositional 3D Scene Synthesis with Scene Graph Guided Layout-Shape Generation

• URL: http://arxiv.org/abs/2403.12848v1
• Date: Tue, 19 Mar 2024 15:54:48 GMT
• Title: Compositional 3D Scene Synthesis with Scene Graph Guided Layout-Shape Generation
• Authors: Yao Wei, Martin Renqiang Min, George Vosselman, Li Erran Li, Michael Ying Yang,
• Abstract summary: 3D scene synthesis has diverse applications across a spectrum of industries such as robotics, films, and video games. In this paper, we aim at generating realistic and reasonable 3D scenes from scene graph. With a unified graph convolution network (GCN), graph features are extracted from scene graphs updated via joint layout-shape distribution.
• Score: 31.52569918586902
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Compositional 3D scene synthesis has diverse applications across a spectrum of industries such as robotics, films, and video games, as it closely mirrors the complexity of real-world multi-object environments. Early works typically employ shape retrieval based frameworks which naturally suffer from limited shape diversity. Recent progresses have been made in shape generation with powerful generative models, such as diffusion models, which increases the shape fidelity. However, these approaches separately treat 3D shape generation and layout generation. The synthesized scenes are usually hampered by layout collision, which implies that the scene-level fidelity is still under-explored. In this paper, we aim at generating realistic and reasonable 3D scenes from scene graph. To enrich the representation capability of the given scene graph inputs, large language model is utilized to explicitly aggregate the global graph features with local relationship features. With a unified graph convolution network (GCN), graph features are extracted from scene graphs updated via joint layout-shape distribution. During scene generation, an IoU-based regularization loss is introduced to constrain the predicted 3D layouts. Benchmarked on the SG-FRONT dataset, our method achieves better 3D scene synthesis, especially in terms of scene-level fidelity. The source code will be released after publication.

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