collaborators

5 papers

cs.CV2026

Fragile Reconstruction: Adversarial Vulnerability of Reconstruction-Based Detectors for Diffusion-Generated Images

Haoyang Jiang, Mingyang Yi, Shaolei Zhang +4

Recently, detecting AI-generated images produced by diffusion-based models has attracted increasing attention due to their potential threat to safety. Among existing approaches, re…

cs.CV2026

OFA-Diffusion Compression: Compressing Diffusion Model in One-Shot Manner

Haoyang Jiang, Zekun Wang, Mingyang Yi +6

The Diffusion Probabilistic Model (DPM) achieves remarkable performance in image generation, while its increasing parameter size and computational overhead hinder its deployment in…

cs.AI2025

VRoPE: Rotary Position Embedding for Video Large Language Models

Zikang Liu, Longteng Guo, Yepeng Tang +6

Rotary Position Embedding (RoPE) has shown strong performance in text-based Large Language Models (LLMs), but extending it to video remains a challenge due to the intricate spatiot…

cs.LG2025

Prefix Grouper: Efficient GRPO Training through Shared-Prefix Forward

Zikang Liu, Tongtian Yue, Yepeng Tang +5

Group Relative Policy Optimization (GRPO) enhances policy learning by computing gradients from relative comparisons among candidate outputs that share a common input prefix. Despit…

cs.CL2025

LFTF: Locating First and Then Fine-Tuning for Mitigating Gender Bias in Large Language Models

Zhanyue Qin, Yue Ding, Deyuan Liu +7

Nowadays, Large Language Models (LLMs) have attracted widespread attention due to their powerful performance. However, due to the unavoidable exposure to socially biased data durin…