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Author

Yiyan Ji

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Preprint Sep 2026

Human-Centric Image Captioning with Subject-Centered Spatial Understanding

This work introduces SPACE (Subject-centric Poses, Appearance, and Characteristics Evaluation), a benchmark designed to evaluate subject-centered spatial understanding, and designs a rubric-based reward for Group Relative Policy Optimization that explicitly penalizes structurally critical spatial errors during alignmen...

Bozhou Li, Jia-Hang Zhang, Yue Ding et al. · 0 citations

SkillRevise: Improving LLM-Authored Agent Skills via Trace-Conditioned Skill Revision

Evaluated across three main benchmarks, two domain-specific studies, and six LLMs, SkillRevise substantially outperforms one-shot baselines, and the revised skills transfer across both executors and task environments, suggesting that SkillRevise captures reusable procedural knowledge beyond any single executor.

Yuxuan Liu, Zhao-Chen Su, Lin Xie et al. · 17 citations
Preprint Jul 2026

ABot-AgentOS: A General Robotic Agent OS with Lifelong Multi-modal Memory

ABot-AgentOS is presented, a general robotic Agent Operating System that sits above low-level controllers and provides a deliberative agent layer for scene-conditioned planning, context-isolated skill execution, multi-stage verification, multi-modal memory, and edge-cloud collaboration.

Jiayi Tian, Shiao Liu, Yuting Xu et al. · 0 citations

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