iARCS: Iterative Agentic RL for Controllable 3D Scene Generation
On the map: LLM agents and tool use → Multimodal and embodied agents
Abstract (arXiv)
Synthetic 3D scene generation is increasingly used as a data source for computer vision and embodied AI, but existing generators often optimize perceptual realism without reliably satisfying task-critical functional constraints. This mismatch limits the usefulness of synthetic data for downstream training, where accessibility, traversability, and spatial rule compliance are often essential. We present iARCS, an iterative agentic reinforcement learning framework that adapts a pretrained scene generator to naturallanguage task requirements. iARCS uses a two-phase strategy: universal-reward pretraining to improve physical plausibility and layout quality, followed by task-specific finetuning with LLM-generated reward programs that are iteratively refined from training feedback. Experiments show improved constraint fidelity on walkability, reachability, and clearance-focused tasks, effective task-specific constraint optimization, and competitive scene diversity. We further show that data generated by iARCS improves a base generator, supporting its value as a practical synthetic data generation tool rather than only a controllable scene editing method.
Key facts. Cited by 1 paper in the map (data through 14 Oct 2026). Placed in Multimodal and embodied agents, one of 16 directions in LLM agents and tool use. Builds on 52 of its 71 references that are in the map. First posted on arXiv 6 Aug 2026.
Builds on
52 of 71 references.
Closest ancestors · 2
Same direction, newest first
- 2026SAGE: Scalable Agentic 3D Scene Generation for Embodied AI10 Feb
- 2025SceneWeaver: All-in-One 3D Scene Synthesis with an Extensible and Self-Reflective Agent24 Sep
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