Academic Activity
| Senior Member, IEEE (The Institute of Electrical and Electronics Engineers) |
| Senior Member, IEICE (The Institute of Electronics, Information and Communication Engineers) |
| Member, APSIPA (Asia-Pacific Signal and Information Processing Association) |
| Member, ACM (Association for Computing Machinery) |
Editor Activity
| IEICE EA, Associate Editor (2010-2014) |
| IEICE JA, Associate Editor (2011-2014) |
| IEICE ED, Associate Editor (2020-) |
| IEICE ED Special Session on Enriched Multimedia, Secretary(2018,2019), Associate Editor (2014,2015,2021) |
| IEICE EA Special Session on Information Theory and its Applications, Associate Editor(2015,2016) |
| IEICE Fundamental Review, Associate Editor (2016-2017) |
| JISA(Journal of Information Security and Applications) Associate Editor (2014-2021) |
| JISA Special Section on Recent Advances in Multimedia and Biometric Forensics Associate Editor (2017) |
| Entropy journal, Special Issue "Entropy Based Data Hiding" (2019) |
| MDPI Applied Sciences, Special Issue "Data Hiding and Its Applications: Digital Watermarking and Steganography" (2020) |
| ITE Media Technology and Applications (MTA), Associate Editor (2016) |
| IEEE Signal Processing Letters Associate Editor (2022-) |
Technical Committee
| IEICE EMM Technical Committee (2011-2012, 2019-), Secretary (2013,2014), Vice Chair (2017,2018) |
| IEICE IHC Secretary (2011-2012, 2015-2019) |
| IEICE IT Technical Committee (2013-2019) |
| APSIPA, Multimedia Security and Forensics (MSF) Char (2023-), Vice Chair (2021-2022), Secretary (2018-2020) |
| IEEE Signal Processing Society, Information Forensics and Security(IFS) Technical Committee (2021-) |
Organizing Committee
| IWSEC2008 Local Organizing Committee co-Chairs |
| IWIHC2014 Program Committee Co-Chairs |
| IWDW2015 Organizing Committee |
| ACNS2017 Organizing Committee |
| ECC2018, Organizing Committee |
| WIFS2019 Organizing Committee |
| WIFS2021 Organizing Committee |
| ACM ASIACCS2022 Organizing Committee |
| 16th IEEE International Workshop on Information Forensics and Security (WIFS 2024) |
Special Session Organization
| IWDW2015 "Watermarking based on Common Evaluation Criteria" |
| IIHMSP2017 "Information Hiding and its Criteria" |
| APSIPA ASC 2017 "Multimedia Security and Privacy" |
| APSIPA ASC 2018 "Information Forensics and Data Hiding" |
| APSIPA ASC 2019 "Recent advances in Fingerprinting and Data Hiding" |
| ICIP 2021 "Artificial Intelligence for Multimedia Security and Deepfake" |
| APSIPA ASC 2021 "Deep Generative Models for Media Clones and Its Detection" |
| APSIPA ASC 2022 "Adversarial Attack and Defense" |
| APSIPA ASC 2023 "Emerging Trends in Privacy, Multimedia Security and Forensics: Deep Learning and AI Approaches" |
Tutorial
| APSIPA ASC 2022 "Fake News Detection and its impact analysis" |
| APSIPA ASC 2023 "Spoofing Face Recognition Systems with Adversarial Examples: Challenges and Countermeasures" |