Conference Publications

* indicates equal contributions

2025

1. UFID: A Unified Framework for Input-level Backdoor Detection on Diffusion Models [PDF] [Code]
   Zihan Guan*, Mengxuan Hu*, Sheng Li, Anil Vullikanti
   AAAI Conference on Artificial Intelligence (AAAI 2025)

2. Mind Control through Causal Inference: Predicting Clean Images from Poisoned Data [PDF] [Code]
   Mengxuan Hu*, Zihan Guan*, Yi Zeng, Junfeng Guo, Zhongliang Zhou, Jielu Zhang, Ruoxi Jia, Anil Vullikanti, Sheng Li
   International Conference on Learning Representations (ICLR 2025)

2024

1. BBCaL: Black-box Backdoor Detection under the Causality Lens [PDF] [Code]
   Mengxuan Hu*, Zihan Guan*, Junfeng Guo, Zhongliang Zhou, Jielu Zhang, Sheng Li
   Transactions on Machine Learning (TMLR) (🏆 Featured Certificate)

2. Img2Loc: Revisiting Image Geolocalization using Multi-modality Foundation Models and Image-based Retrieval-Augmented Generation [PDF] [Code]
   Zhongliang Zhou, Jielu Zhang, Zihan Guan, Mengxuan Hu, Ni Lao, Lan Mu, Sheng Li, Gengchen Mai
   ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2024)

3. Text2seg: Remote sensing image semantic segmentation via text-guided visual foundation models [PDF] [Code]
   Jielu Zhang, Zhongliang Zhou, Gengchen Mai, Mengxuan Hu, Zihan Guan, Sheng Li, Lan Mu
   ACM SIGSPATIAL International Workshop on AI for Geographic Knowledge Discovery (GeoAI 2024)

2023

1. XGBD: Explanation-Guided Graph Backdoor Detection [PDF][Code]
   Zihan Guan, Mengnan Du, Ninghao Liu
   European Conference on Artificial Intelligence (ECAI 2023)

2. Attacking Neural Networks with Neural Networks: Towards Deep Synchronization for Backdoor Attacks [PDF] [Code]
   Zihan Guan, Lichao Sun, Mengnan Du, Ninghao Liu
   ACM International Conference on Information and Knowledge Management (CIKM 2023)