ResearchResearch paperImage, Video & 3D Generation · Agents & Tool Use · Reasoning & Planning2 sources · Oct 16, 2026

Scene-Designer: Learning Design Intelligence for Agentic 3D Scene Generation

In this work, we introduce Scene-Designer, an agentic framework that learns design intelligence through complementary design and critique experiences.

Key points

  • Generating complete, coherent, and usable 3D indoor scenes from natural language requires strong design intelligence: the ability to design high-quality scenes and critique their quality.
  • We construct two datasets: Scene-OTA-35K, which provides Observation--Thought--Action supervision for learning scene design and efficient error correction, and Scene-OTC-15K, which provides Observation--Thought--Critic supervision for learning scene quality critique across physical validity, functional correctness, and layout coherence.
  • Based on these experiences, we propose Scene-GRPO, a Critic-guided GRPO framework that improves design decisions and reduces unnecessary trial-and-error corrections.
  • Extensive experiments demonstrate that Scene-Designer achieves superior performance in physical validity, functional correctness, and layout coherence, while the learned Scene-Critic significantly outperforms general-purpose models in scene critique.

Sources (2)

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