collaborators

10 papers

cs.CL2026

Can Vision-Language Models Stay Helpful When Facing Implicit Risks? Intent-Privilege OPSD for Efficient Safety-Helpfulness Alignment

Haotian Deng, Wenbin Xing, Gang Xu +5

Vision-Language Models (VLMs) remain vulnerable to cross-modal implicit risks: visual and textual inputs that appear benign in isolation can jointly elicit unsafe responses. Existi…

cs.LG2026

ORACLE: Anticipating Scams from Partial Trajectories in Streaming App Usage

Wenbo Gao, Songbai Tan, Zhongan Wang +6

Smartphone scams are increasingly prevalent and typically manifest as multi-stage, cross-application processes with gradually emerging intent. Effective intervention thus requires…

cs.AI2026

RS-WorldModel: a Unified Model for Remote Sensing Understanding and Future Sense Forecasting

Linrui Xu, Zhongan Wang, Fei Shen +4

Remote sensing world models aim to both explain observed changes and forecast plausible futures, two tasks that share spatiotemporal priors. Existing methods, however, typically ad…

cs.AI2026

Risk Awareness Injection: Calibrating Vision-Language Models for Safety without Compromising Utility

Mengxuan Wang, Yuxin Chen, Gang Xu +3

Vision language models (VLMs) extend the reasoning capabilities of large language models (LLMs) to cross-modal settings, yet remain highly vulnerable to multimodal jailbreak attack…

cs.CV2025

Yo'City: Personalized and Boundless 3D Realistic City Scene Generation via Self-Critic Expansion

Keyang Lu, Sifan Zhou, Hongbin Xu +6

Realistic 3D city generation is fundamental to a wide range of applications, including virtual reality and digital twins. However, most existing methods rely on training a single d…

cs.CV2025

StyleTailor: Towards Personalized Fashion Styling via Hierarchical Negative Feedback

Hongbo Ma, Fei Shen, Hongbin Xu +5

The advancement of intelligent agents has revolutionized problem-solving across diverse domains, yet solutions for personalized fashion styling remain underexplored, which holds im…

cs.CV2025

TextSplat: Text-Guided Semantic Fusion for Generalizable Gaussian Splatting

Zhicong Wu, Hongbin Xu, Gang Xu +6

Recent advancements in Generalizable Gaussian Splatting have enabled robust 3D reconstruction from sparse input views by utilizing feed-forward Gaussian Splatting models, achieving…

cs.MM2025

Safe-VAR: Safe Visual Autoregressive Model for Text-to-Image Generative Watermarking

Ziyi Wang, Songbai Tan, Gang Xu +5

With the success of autoregressive learning in large language models, it has become a dominant approach for text-to-image generation, offering high efficiency and visual quality. H…

cs.CV2025

PVChat: Personalized Video Chat with One-Shot Learning

Yufei Shi, Weilong Yan, Gang Xu +6

Video large language models (ViLLMs) excel in general video understanding, e.g., recognizing activities like talking and eating, but struggle with identity-aware comprehension, suc…

cs.GR2025

Inter3D: A Benchmark and Strong Baseline for Human-Interactive 3D Object Reconstruction

Gan Chen, Ying He, Mulin Yu +5

Recent advancements in implicit 3D reconstruction methods, e.g., neural rendering fields and Gaussian splatting, have primarily focused on novel view synthesis of static or dynamic…