collaborators

7 papers

cs.CR2026

PrivCode: When Code Generation Meets Differential Privacy

Zheng Liu, Chen Gong, Terry Yue Zhuo +4

Large language models (LLMs) have presented outstanding performance in code generation and completion. However, fine-tuning these models on private datasets can raise privacy and p…

cs.CR2026

From Easy to Hard++: Promoting Differentially Private Image Synthesis Through Spatial-Frequency Curriculum

Chen Gong, Kecen Li, Zinan Lin +1

To improve the quality of Differentially private (DP) synthetic images, most studies have focused on improving the core optimization techniques (e.g., DP-SGD). Recently, we have wi…

cs.CR2025

PrivORL: Differentially Private Synthetic Dataset for Offline Reinforcement Learning

Chen Gong, Zheng Liu, Kecen Li +1

Recently, offline reinforcement learning (RL) has become a popular RL paradigm. In offline RL, data providers share pre-collected datasets -- either as individual transitions or se…

cs.CR2025

GaussMarker: Robust Dual-Domain Watermark for Diffusion Models

Kecen Li, Zhicong Huang, Xinwen Hou +1

As Diffusion Models (DM) generate increasingly realistic images, related issues such as copyright and misuse have become a growing concern. Watermarking is one of the promising sol…

cs.CR2025

VideoMarkBench: Benchmarking Robustness of Video Watermarking

Zhengyuan Jiang, Moyang Guo, Kecen Li +5

The rapid development of video generative models has led to a surge in highly realistic synthetic videos, raising ethical concerns related to disinformation and copyright infringem…

cs.CR2025

From Easy to Hard: Building a Shortcut for Differentially Private Image Synthesis

Kecen Li, Chen Gong, Xiaochen Li +3

Differentially private (DP) image synthesis aims to generate synthetic images from a sensitive dataset, alleviating the privacy leakage concerns of organizations sharing and utiliz…