[Submitted on 15 Sep 2026]
Title:HINT-Plan: Human Intention-Aware Robot Task Planning in Context-Rich Environments using Vision Language Models
View a PDF of the paper titled HINT-Plan: Human Intention-Aware Robot Task Planning in Context-Rich Environments using Vision Language Models, by Yuchen Liu and 5 other authors
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Abstract:Approaches to incorporating human awareness into mobile robot decision-making mainly focus on collision avoidance in low-level motion planning, often overlooking the challenges posed by human presence and high-level behavior. To address this vacancy, we present HINT-Plan, a novel approach to integrate human intention prediction into robot task planning. HINT-Plan employs Vision Language Models (VLMs) to anticipate high-level human intentions from third-person image observations, convert them into goal states, and solve joint task-planning problems. To effectively enable scene awareness in context-rich environments, we use hierarchical Scene Graphs (SGs) as high-level representations of the environment, and translate environmental topology and actionable knowledge into formal planning language to ensure executable plans. Evaluated in a photorealistic simulation, HINT-Plan achieves an overall success rate of 69.71% in joint human-robot task planning, substantially outperforming the baselines by up to 35.29%, while also reducing functional conflicts. The results show the effectiveness of explicitly incorporating inferred human intentions into formal multi-agent task planning for proactive human-aware robot decision-making.
Subjects:
Robotics (cs.RO); Artificial Intelligence (cs.AI)
Cite as: arXiv:2609.17771 [cs.RO]
(or arXiv:2609.17771v1 [cs.RO] for this version)
https://doi.org/10.48550/arXiv.2609.17771
arXiv-issued DOI via DataCite (pending registration)
Submission history
From: Yuchen Liu [view email] [v1] Tue, 15 Sep 2026 19:24:35 UTC (5,097 KB)
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