Graduate School Department /Course /Field Human Coexistence/Mathematical Science/Mathematical Informatics
Undergraduate School Division of Cognitive and Information Sciences
Other Affiliation
Email hiokixi.h.kyoto-u.ac.jp (replace "x" with at-sign)
Personal Page Website
Research areas Data Hiding, Media Processing, Information Visualization
Keywords Data Hiding, Steganography, Digital Watermarking, Information Visualization
Themes My research interest includes data hiding (steganography) and information visualization
Major publications HIOKI Hirohisa, "Web behind Web --- A Steganographic Web Framework" Proc. Proceedings of Intelligent Information Hiding and Multimedia Signal Processing 2009, pp.60-63
HIOKI Hirohisa, "Steganogallery: Steganographic Gallery"
HIOKI Hirohisa, "A Steganographic Method Based on a File Attribute", Proc. Intelligent Information Hiding and Multimedia Signal Processing 2007, vol.2 pp.441-444
HIOKI Hirohisa, "A SCATTERED HIDDEN FILE SYSTEM" Proc. Pacific Rim Workshop on Digital Steganography 2004, pp.89-95
HIOKI Hirohisa, "A DATA EMBEDDING METHOD USING BPCS PRINCIPLE WITH NEW COMPLEXITY MEASURES", Proc. Pacific Rim Workshop on Digital Steganography 2002, pp.30-47
Professional societies/Research and synergic activities IEEE Member
Teaching Areas
  • Undergraduate courses Introduction to Linguistic and Mathematical Information Science
    Research in Mathematical Science
  • Graduate courses (Master's program) Visual Information Analysis
    Exercises for Mathematical Informatics 3A,3B
  • Graduate courses (Doctor's program) Special Seminar on Mathematical Informatics 1,2
    Special Seminar on Mathematical Science
  • Undergraduate courses open to all departments Programming Practice (Ruby)
    Computer Graphics Exercise
    Basic Informatics (General)
    Information Network
    Practice on Information Literacy for Academic Activities
Background 1997-04 Research Associate (Faculty of Integrated Human Studies, Kyoto University)
2000-10 Doctor of Science
2003-03 Associate Professor (Faculty of Integrated Human Studies, Kyoto University)
2003-04 Associate Professor (Center for Promotion of Excellence in Higher Education, Kyoto University)
2009-04 Associate Professor (Graduate School of Human and Environmental Studies, Kyoto University)
2015-04 Professor (Graduate School of Human and Environmental Studies, Kyoto University)

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