Research areas	Data Hiding, Media Information Processing, Information Visualization
Keywords	Data Hiding, Steganography, Digital Watermarking, Image, 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 Mathematical Information Science Research in Mathematical Science Graduate courses (Master's program) Visual Information Analysis Exercises for Mathematical Informatics 3A,3B Fundamentals for Transdisciplinary Research 1 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 Practice of Basic Informatics (General) Information Network
Background	Apr 1997 Research Associate (Faculty of Integrated Human Studies, Kyoto University) Oct 2000 Doctor of Science Mar 2003 Associate Professor (Faculty of Integrated Human Studies, Kyoto University) Apr 2003 Associate Professor (Center for Promotion of Excellence in Higher Education, Kyoto University) Apr 2009 Associate Professor (Graduate School of Human and Environmental Studies, Kyoto University) Apr 2015--Present Professor (Graduate School of Human and Environmental Studies, Kyoto University)

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