Hanzhou Wu

hanzhou (at) shu.edu.cn or h.wu.phd (at) ieee.org

ResearchGate · Google Scholar // Curriculum Vitae

Keywords: steganography, steganalysis, digital watermarking, digital forensics.

Occupation

• Associate Professor, Shanghai University, Shanghai, China, 2021 -
• Assistant Professor, Shanghai University, Shanghai, China, 2019 - 2021.
• Research Scientist, Institute of Automation, Chinese Academy of Sciences, Beijing, China, 2017 - 2019.
• Visiting Scholar, New Jersey Institute of Technology, New Jersey, USA, 2014 - 2016.
• Ph.D., Information Security, Southwest Jiaotong University, Chengdu, China, 2011 - 2017.
• B.Sc., Information Security, with Mao Yisheng Honors Class, Southwest Jiaotong University, Chengdu, China, 2007 - 2011.

Book Chapters

• Unsupervised steganographer identification via clustering and outlier detection, Digital Media Steganography, Elsevier, 2020.
• Recent advances in reversible watermarking in an encrypted domain, Advanced Security Solutions for Multimedia, IOP Science, 2021.
• Graph models in information hiding, Recent Applications in Graph Theory, IntechOpen, 2021.
• Linguistic steganography and linguistic steganalysis, Adversarial Multimedia Forensics, Springer, 2024.

Selected Preprints

• A fingerprint for large language models, arXiv preprint arXiv:2407.01235, 2024. Code & Supplementary Materials by Zhiguang Yang

Selected Publications

• Structural design of convolutional neural networks for steganalysis, IEEE Signal Processing Letters, 2016.
• Ensemble of CNNs for steganalysis: an empirical study, ACM Workshop on Information Hiding and Multimedia Security, 2016.
• PPE-based reversible data hiding, ACM Workshop on Information Hiding and Multimedia Security, 2016.
• Dynamic content selection-and-prediction framework applied to reversible data hiding, IEEE International Workshop on Information Forensics and Security, 2016.
• Separable reversible data hiding for encrypted palette images with color partitioning and flipping verification, IEEE Transactions on Circuits and Systems for Video Technology, 2017.
• New graph-theoretic approach to social steganography, IS&T Electronic Imaging, Media Watermarking, Security, and Forensics, 2019.
• Reducing invertible embedding distortion using graph matching model, IS&T Electronic Imaging, Media Watermarking, Security, and Forensics, 2020.
• Watermarking in deep neural networks via error back-propagation, IS&T Electronic Imaging, Media Watermarking, Security, and Forensics, 2020.
• Generative text steganography based on LSTM network and attention mechanism with keywords, IS&T Electronic Imaging, Media Watermarking, Security, and Forensics, 2020.
• Patch-level selection and breadth-first prediction strategy for reversible data hiding, IEEE International Conference on Acoustics, Speech, and Signal Processing, 2020.
• Watermarking graph neural networks by random graphs, IEEE International Symposium on Digital Forensics and Security, 2021.
• Game-theoretic analysis to parameterized reversible watermarking, IETE Technical Review, 2021.
• Linguistic steganalysis with graph neural networks, IEEE Signal Processing Letters, 2021.
• Watermarking neural networks with watermarked images, IEEE Transactions on Circuits and Systems for Video Technology, 2021.
• Structural watermarking to deep neural networks via network channel pruning, IEEE International Workshop on Information Forensics and Security, 2021.
• ALiSa: Acrostic linguistic steganography based on BERT and Gibbs sampling, IEEE Signal Processing Letters, 2022. Code
• Exploiting language model for efficient linguistic steganalysis, IEEE International Conference on Acoustics, Speech, and Signal Processing, 2022.
• Robust and lossless fingerprinting of deep neural networks via pooled membership inference, IEEE HPCC, 2022. (AR: 117/663 = 17.6%, Session Chair)
• Hiding data hiding, Pattern Recognition Letters, 2023.
• Semantic-preserving linguistic steganography by pivot translation and semantic-aware bins coding, IEEE Transactions on Dependable and Secure Computing, 2023. Code by Tianyu Yang
• Overview of artificial intelligence model watermarking (in Chinese, invited paper), Journal of Image and Graphics, 2023.
• A fast method for robust video watermarking based on Zernike moments, IEEE Transactions on Circuits and Systems for Video Technology, 2023.
• Prompting steganography: a new paradigm, IS&T Electronic Imaging, Media Watermarking, Security, and Forensics, 2024. Slides
• Robust and imperceptible black-box DNN watermarking based on Fourier perturbation analysis and frequency sensitivity clustering, IEEE Transactions on Dependable and Secure Computing, 2024.
• Suppressing high-frequency artifacts for generative model watermarking by anti-aliasing, ACM Workshop on Information Hiding and Multimedia Security, 2024. Slides
• Watermarking text documents with watermarked fonts, ACM Workshop on Information Hiding and Multimedia Security, 2024. Slides
• Automatic, robust and blind video watermarking resisting camera recording, IEEE Transactions on Circuits and Systems for Video Technology, 2024.
• Transferable watermarking to self-supervised pre-trained graph encoders by trigger embeddings, IEEE International Workshop on Information Forensics and Security, 2024. Code & Slides by Xiangyu Zhao
• Watermarking for large language models: a survey (invited paper), Mathematics, 2025.

Selected Services and Activities

• Associate Editor, IEEE Signal Processing Letters, 2025 -
• Editorial Board Member, Scientific Reports, Springer Nature, 2025 -
• Technical Committee Member, APSIPA Multimedia Security and Forensics (MSF), 2023 -
• Local Organization Chair, 14th IEEE International Workshop on Information Forensics and Security, Shanghai, China, 2022.

Selected Honors and Awards

• Outstanding Paper Award (co-author), China Media Forensics and Security Workshop, 2023.
• CCF-Tencent Rhino-Bird Young Faculty Open Research Fund (as PI), Tencent Inc., 2022.
• Best Presentation Award (1st author), China Media Forensics and Security Workshop, 2021.
• Outstanding Paper Award (1st author), China Information Hiding Workshop, 2019.
• Shanghai Chenguang Scholar (as PI), Shanghai Municipal Education Commission, 2019.
• Silver Medal (as a contestant), 36th ACM-ICPC Asia Regional Programming Contest (Chengdu Site), 2011.
• Silver Medal (as a contestant), 36th ACM-ICPC Beijing Invitational Programming Contest (Beijing Site), 2011.
• Silver Medal (as a contestant), "Google Cup" ACM-ICPC Fudan Invitational Programming Contest (Shanghai Site), 2011.
• Bronze Medal (as a contestant), 35th ACM-ICPC Asia Regional Programming Contest (Hangzhou Site), 2010.
• Bronze Medal (as a contestant), 35th ACM-ICPC Asia Regional Programming Contest (Tianjin Site), 2010.

Alumni

• 2025: Zhiguang Yang (M.Sc., Dissertation), Xingdong Ren (M.Sc., Dissertation), Jinghui Shi (M.Sc., Dissertation), Chenghua He (M.Sc., Dissertation), Lina Lin (M.Sc.), Yumeng Xie (B.Sc., Dissertation, Best Dissertation Award)
• 2024: Yazhou Zhang (M.Sc., Dissertation), Li Zhang (M.Sc., Dissertation), Chen Li (M.Sc., Dissertation), Xi Jin (M.Sc., Dissertation), Yong Liu (Ph.D.)
• 2023: Xiaoyan Zheng (M.Sc., Dissertation), Tianyu Yang (M.Sc., Dissertation), Shiyi Chen (M.Sc., Dissertation), Tianxing Zhang (M.Sc., Dissertation), Qiyun Liu (M.Sc., Dissertation)
• 2022: Biao Yi (M.Sc., Dissertation), Yumin Wang (M.Sc., Dissertation), Xiaoyu Zhang (B.Sc., Dissertation, Best Dissertation Award), Lina Lin (B.Sc., Best Dissertation Award)

Sponsors (Total funding as of 12/31/2024: CNY 3,000,000+)