Professional Activities


  1. National Institute of Science and Technology Policy, Ministry of Education, Culture, Sports, Science and Technology Investigator (2020–)

Academic Societies

  1. SPIJ, Board member (2018-)

  2. IEICE Enriched Multimedia, Technical committee, Member(2012-2018, 2020-Present)

  3. IEICE Information Hiding and Its Criteria for Evaluation, Technical Committee, Member (2015-)

  4. IEEJ, Investigation Committee for Digital Signal Processing and System Optimization Technologies, Member (2017-2020)

  5. SPIJ, Representative (2014-2020)

  6. ITE, Editorial board, Planning committee, Secretary (2017-2019)

  7. OSJ Investigative Committee on Optical Science and Technology, Member (2014-2016)


  1. MDPI Journal of Imaging, Topic Editor (2020.07–Present)

  2. IEICE Trans. on Fundamentals, Associate Editor (2016-2020)

  3. IEICE Trans. on Inf. & Syst., Special Section on Enriched Multimedia, Guest Associate Editor (2015, 2016)

International Conferences

  1. IWAIT2021, Program Committee, Member

  2. IEEE ICME2020, Program Committee, Member

  3. APSIPA ASC2018, Technical Program Committee, Special Session Co-chair

  4. APSIPA ASC2017, Special Session Organizer

  5. ICELTICs2017, Technical Program Committee, Member

  6. PCM2015, Technical Program Committee, Member & Special Session Organizer

  7. ISPACS2014, Special Session Organizer

  8. SITIS2013, 2014, Program Committee, Member

  9. IARIA ICSNC2012, 2013, 2014, 2015, 2016, Technical Program Committee, Member