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Yu-Gang Jiang

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#artificial intelligence Preprint Oct 2025

DropVLA: An Action-Level Backdoor Attack on Vision-Language-Action Models

DropVLA is presented, an action-level backdoor attack that forces a reusable action primitive to execute at attacker-chosen decision points under a realistic pipeline-black-box setting with limited data-poisoning access, using a window-consistent relabeling scheme for chunked fine-tuning.

Zong-Huan Xu, Jiayu Li, Yun-Han Zhao et al. · 5 citations
Preprint Aug 2026

WithEveryone: Unified Planning and Identity Grounding for Group Image Generation

WithEveryone, a unified framework for generating group images up to ten reference identities, is introduced, showing that explicit identity--layout grounding enables identity-preserving generation to scale to larger groups without relying on direct reference-face copying.

Heng-Yuan Xu, Qixun Wang, Yiji Cheng et al. · 0 citations
#natural language process... Preprint Aug 2026

OpenART: Scaling Agent Red Teaming via Open-Ended Environment Evolution

This work proposes the Evolutionary Markov Hypergraph Attack (EMHA), a black-box policy that performs feedback-driven environment evolution by coordinating authorized state transitions without requiring parameter updates, and establishes OpenART as a scalable foundation for studying agent safety in complex, evolving en...

Yunhao Chen, Xin Wang, Yi-Xu Wang et al. · 0 citations

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