collaborators

7 papers

cs.LG2026

Accelerating Inference of Discrete Autoregressive Normalizing Flows by Selective Jacobi Decoding

Jiaru Zhang, Juanwu Lu, Xiaoyu Wu +2

Discrete normalizing flows are promising generative models with advantages such as analytical log-likelihood computation and end-to-end training. However, the architectural constra…

cs.LG2026

FedMomentum: Preserving LoRA Training Momentum in Federated Fine-Tuning

Peishen Yan, Yang Hua, Hao Wang +4

Federated fine-tuning of large language models (LLMs) with low-rank adaptation (LoRA) offers a communication-efficient and privacy-preserving solution for task-specific adaptation.…

cs.CV2026

Exploring Diffusion Models' Corruption Stage in Few-Shot Fine-tuning and Mitigating with Bayesian Neural Networks

Xiaoyu Wu, Jiaru Zhang, Yang Hua +4

Few-shot fine-tuning of Diffusion Models (DMs) is a key advancement, significantly reducing training costs and enabling personalized AI applications. However, we explore the traini…

cs.LG2025

Unlearned but Not Forgotten: Data Extraction after Exact Unlearning in LLM

Xiaoyu Wu, Yifei Pang, Terrance Liu +1

Large Language Models are typically trained on datasets collected from the web, which may inadvertently contain harmful or sensitive personal information. To address growing privac…

cs.LG2025

POLAR: Policy-based Layerwise Reinforcement Learning Method for Stealthy Backdoor Attacks in Federated Learning

Kuai Yu, Xiaoyu Wu, Peishen Yan +6

Federated Learning (FL) enables decentralized model training across multiple clients without exposing local data, but its distributed feature makes it vulnerable to backdoor attack…

cs.CV2025

Leveraging Model Guidance to Extract Training Data from Personalized Diffusion Models

Xiaoyu Wu, Jiaru Zhang, Zhiwei Steven Wu

Diffusion Models (DMs) have become powerful image generation tools, especially for few-shot fine-tuning where a pretrained DM is fine-tuned on a small image set to capture specific…