collaborators

7 papers

cs.LG2025

Refiner: Data Refining against Gradient Leakage Attacks in Federated Learning

Mingyuan Fan, Cen Chen, Chengyu Wang +2

Recent works have brought attention to the vulnerability of Federated Learning (FL) systems to gradient leakage attacks. Such attacks exploit clients' uploaded gradients to reconst…

cs.CL2025

Responsible Diffusion Models via Constraining Text Embeddings within Safe Regions

Zhiwen Li, Die Chen, Mingyuan Fan +4

The remarkable ability of diffusion models to generate high-fidelity images has led to their widespread adoption. However, concerns have also arisen regarding their potential to pr…

cs.CV2025

Growth Inhibitors for Suppressing Inappropriate Image Concepts in Diffusion Models

Die Chen, Zhiwen Li, Mingyuan Fan +4

Despite their remarkable image generation capabilities, text-to-image diffusion models inadvertently learn inappropriate concepts from vast and unfiltered training data, which lead…

cs.LG2025

Transferable Adversarial Examples with Bayes Approach

Mingyuan Fan, Cen Chen, Wenmeng Zhou +1

The vulnerability of deep neural networks (DNNs) to black-box adversarial attacks is one of the most heated topics in trustworthy AI. In such attacks, the attackers operate without…

cs.CV2024

ArtAug: Enhancing Text-to-Image Generation through Synthesis-Understanding Interaction

Zhongjie Duan, Qianyi Zhao, Cen Chen +4

The emergence of diffusion models has significantly advanced image synthesis. The recent studies of model interaction and self-corrective reasoning approach in large language model…

cs.LG2024

Transferability Bound Theory: Exploring Relationship between Adversarial Transferability and Flatness

Mingyuan Fan, Xiaodan Li, Cen Chen +2

A prevailing belief in attack and defense community is that the higher flatness of adversarial examples enables their better cross-model transferability, leading to a growing inter…