collaborators

10 papers

cs.CR2026

DiffSafeMerge: Mitigating Backdoor Inheritance in Diffusion Model Merging

Jiayang Zhang, Ji Guo, Jiachen Li +2

Unconditional diffusion checkpoint merging assumes benign sources, yet a compromised public checkpoint can transfer a dormant backdoor while clean generation appears normal. Mitiga…

cs.CR2026

State Backdoor: Towards Stealthy Real-world Poisoning Attack on Vision-Language-Action Model in State Space

Ji Guo, Wenbo Jiang, Yansong Lin +6

Vision-Language-Action (VLA) models are widely deployed in safety-critical embodied AI applications such as robotics. However, their complex multimodal interactions also expose new…

cs.AI2026

CBV: Clean-label Backdoor Attacks on Vision Language Models via Diffusion Models

Ji Guo, Xiaolong Qin, Cencen Liu +3

Vision-Language Models (VLMs) have achieved remarkable success in tasks such as image captioning and visual question answering (VQA). However, as their applications become increasi…

cs.CV2026

AlignVAR: Towards Globally Consistent Visual Autoregression for Image Super-Resolution

Cencen Liu, Dongyang Zhang, Wen Yin +6

Visual autoregressive (VAR) models have recently emerged as a promising alternative for image generation, offering stable training, non-iterative inference, and high-fidelity synth…

cs.CL2025

Evaluating Robustness of Large Audio Language Models to Audio Injection: An Empirical Study

Guanyu Hou, Jiaming He, Yinhang Zhou +4

Large Audio-Language Models (LALMs) are increasingly deployed in real-world applications, yet their robustness against malicious audio injection attacks remains underexplored. This…

cs.CR2025

TrojanEdit: Multimodal Backdoor Attack Against Image Editing Model

Ji Guo, Peihong Chen, Wenbo Jiang +6

Multimodal diffusion models for image editing generate outputs conditioned on both textual instructions and visual inputs, aiming to modify target regions while preserving the rest…