Publications

Please refer to the Google Scholar for my full paper list.

Preprints

• _{[2025] NaviDet: Efficient Input-level Backdoor Detection on Text-to-Image Synthesis via Neuron Activation Variation
  Shengfang Zhai, Jiajun Li, Yue Liu, Huanran Chen, Zhihua Tian, Wenjie Qu, Qingni Shen, Ruoxi Jia, Yinpeng Dong, Jiaheng Zhang
  ArXiv}

• _{[2025] Life-Cycle Routing Vulnerabilities of LLM Router
  Qiqi Lin, Xiaoyang Ji, Shengfang Zhai, Qingni Shen, Zhi Zhang, Yuejian Fang, Yansong Gao
  ArXiv}

Conference

• _{[2024] Membership Inference on Text-to-Image Diffusion Models via Conditional Likelihood Discrepancy
  Shengfang Zhai, Huanran Chen, Yinpeng Dong, Jiajun Li, Qingni Shen, Yansong Gao, Hang Su, Yang Liu
  Advances in Neural Information Processing Systems (NeurIPS), Vancouver, Canada, 2024
  ArXiv}

• _{[2023] Text-to-image diffusion models can be easily backdoored through multimodal data poisoning (Oral)
  Shengfang Zhai, Yinpeng Dong, Qingni Shen, Shi Pu, Yuejian Fang, Hang Su
  ACM International Conference on Multimedia (MM), Ottawa, Canada, 2023
  ArXiv}

• _{[2023] NCL: Textual Backdoor Defense Using Noise-Augmented Contrastive Learning
  Shengfang Zhai, Qingni Shen, Xiaoyi Chen, Weilong Wang, Cong Li, Yuejian Fang, Zhonghai Wu
  IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Rhodes, Greece, 2023
  ArXiv}

• _{[2022] Kallima: A Clean-Label Framework for Textual Backdoor Attacks
  Xiaoyi Chen, Yinpeng Dong, Zeyu Sun, Shengfang Zhai, Qingni Shen, Zhonghai Wu
  European Symposium on Research in Computer Security (ESORICS), Copenhagen, Denmark, 2022, Online
  ArXiv}

• _{[2022] Automated extraction of abac policies from natural-language documents in healthcare systems
  Yutang Xia, Shengfang Zhai, Qinting Wang, Huiting Hou, Zhonghai Wu, Qingni Shen
  IEEE International Conference on Bioinformatics and Biomedicine (BIBM)
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