collaborators

7 papers

cs.LG2026

Single-Rollout Hidden-State Dynamics for Training-Free RLVR Data Selection

Jianghao Wu, Jianfei Cai, Weiqiang Wang +3

Reinforcement learning with verifiable rewards (RLVR) can yield large reasoning gains from very few training instances, yet its strong sensitivity to which instances are used makes…

cs.AI2026

EgoBench: An Interactive Egocentric Multimodal Benchmark for Tool-Using Agents

Yunqi Liu, Tong Niu, Zitong Wang +4

As AI agents increasingly operate in open, real-world environments, they require a deep synergy of multimodal perception, tool invocation with multi-hop reasoning, and dynamic inte…

cs.CR2026

Taming OpenClaw: Security Analysis and Mitigation of Autonomous LLM Agent Threats

Xinhao Deng, Yixiang Zhang, Jiaqing Wu +15

Autonomous Large Language Model (LLM) agents, exemplified by OpenClaw, demonstrate remarkable capabilities in executing complex, long-horizon tasks. However, their tightly coupled…

cs.CV2025

Can VLMs Detect and Localize Fine-Grained AI-Edited Images?

Zhen Sun, Ziyi Zhang, Zeren Luo +10

Fine-grained detection and localization of localized image edits is crucial for assessing content authenticity, especially as modern diffusion models and image editors can produce…

cs.CL2025

Thought Manipulation: External Thought Can Be Efficient for Large Reasoning Models

Yule Liu, Jingyi Zheng, Zhen Sun +6

Recent advancements in large reasoning models (LRMs) have demonstrated the effectiveness of scaling test-time computation to enhance reasoning capabilities on various tasks. Howeve…

cs.AI2025

Agent Safety Alignment via Reinforcement Learning

Zeyang Sha, Hanling Tian, Zhuoer Xu +3

The emergence of autonomous Large Language Model (LLM) agents capable of tool usage has introduced new safety risks that go beyond traditional conversational misuse. These agents,…