collaborators

10 papers

cs.CR2026

FedAttr: Towards Privacy-preserving Client-Level Attribution in Federated LLM Fine-tuning

Su Zhang, Junfeng Guo, Heng Huang

Watermark radioactivity testing type of methods can detect whether a model was trained on watermarked documents, and have become key tools for protecting data ownership in the fine…

cs.DC2025

An Efficient and Adaptive Watermark Detection System with Tile-based Error Correction

Xinrui Zhong, Xinze Feng, Jingwei Zuo +6

Efficient and reliable detection of generated images is critical for the responsible deployment of generative models. Existing approaches primarily focus on improving detection acc…

cs.LG2025

Modality-Balancing Preference Optimization of Large Multimodal Models by Adversarial Negative Mining

Chenxi Liu, Tianyi Xiong, Yanshuo Chen +5

The task adaptation and alignment of Large Multimodal Models (LMMs) have been significantly advanced by instruction tuning and further strengthened by recent preference optimizatio…

cs.CL2025

Improved Unbiased Watermark for Large Language Models

Ruibo Chen, Yihan Wu, Junfeng Guo +1

As artificial intelligence surpasses human capabilities in text generation, the necessity to authenticate the origins of AI-generated content has become paramount. Unbiased waterma…

cs.CL2025

De-mark: Watermark Removal in Large Language Models

Ruibo Chen, Yihan Wu, Junfeng Guo +1

Watermarking techniques offer a promising way to identify machine-generated content via embedding covert information into the contents generated from language models (LMs). However…

cs.CL2025

CoTGuard: Using Chain-of-Thought Triggering for Copyright Protection in Multi-Agent LLM Systems

Yan Wen, Junfeng Guo, Heng Huang

As large language models (LLMs) evolve into autonomous agents capable of collaborative reasoning and task execution, multi-agent LLM systems have emerged as a powerful paradigm for…