Takeshi Ogasawara, Shoko Imaizumi, and Naokazu Aoki,
“Scalable Tamper Detection and Localization Scheme for JPEG2000 Codestreams,”
Lect. Notes Comput. Sci., Y. -S. Ho, J. Sang, Y. M. Ro, J. Kim, and F. Wu (Eds.), Springer-Verlag, vol.9315, pp.340-349, December 2015.
Takeshi Ogasawara, Shoko Imaizumi, and Naokazu Aoki,
“Scalable Tamper Detection and Localization Scheme for JPEG2000 Codestreams,”
inProc. of Pacific-Rim Conference on Multimedia, LNCS 9315, pp.340-349, Gwangju, Korea, 17th September, 2015.
Anu Aryal, Kazuma Motegi, Shoko Imaizumi, and Naokazu Aoki,
“Improvement of Multibit Information Embedding Algorithm for Palette-Based Images,”
inProc. of Information Security Conference, LNCS 9290, pp.511-523, Trondheim, Norway, 11th September, 2015.
Anu Aryal, Kazuma Motegi, Shoko Imaizumi, and Naokazu Aoki,
“Improvement of Multibit Information Embedding Algorithm for Palette-Based Images,”
Lect. Notes Comput. Sci., J. Lopez and C. J. Mitchell (Eds.), Springer-Verlag, vol.9290, pp.511-523, August 2015.
Anu Aryal, Shoko Imaizumi, and Naokazu Aoki,
“Hierarchical Scrambling for Palette-Based Images Using Transposition Cipher,”
inProc. of International Conference on Advanced Imaging, no.T109-01, pp.701-704, Tokyo, Japan, 19th June, 2015.
Anu Aryal, Shoko Imaizumi, and Naokazu Aoki,
“Hierarchical Scrambling Scheme for Palette-Based Images,”
inProc. of IEEE International Symposium on Intelligent Signal Processing and Communication Systems, no.74, pp.65-70, Kuching, Malaysia, 2nd December, 2014.
Kei Ozawa, Shoko Imaizumi, Naokazu Aoki, and Hiroyuki Kobayashi,
“A High-Capacity Data Embedding Scheme for Palette-Based Images with High Image Quality,”
inProc. of International Workshop on Advanced Image Technology, no.SPS-27, p.806, Nagoya, Japan, 8th January, 2013.
Shoko Imaizumi, Naokazu Aoki, Hiroyuki Kobayashi, and Hitoshi Kiya,
“Multi-dimensional Key Assignment for Hierarchical Media Access Control with Collusion Resilience,”
inProc. of IARIA International Conference on Systems and Networks Communications, pp.77-82, Lisbon, Portugal, 20th November, 2012.
Yuto Tobe, Shoko Imaizumi, Naokazu Aoki, and Hiroyuki Kobayashi,
“A Visible Data Hiding Scheme for Printed Color Images,”
inProc. of IEEE International Symposium on Intelligent Signal Processing and Communication Systems, no.E4.4, pp.653-657, New Taipei City, Taiwan, R.O.C., 6th November, 2012.
Shoko Imaizumi, Naokazu Aoki, Hiroyuki Kobayashi, and Hitoshi Kiya,
“Hierarchical Key Assignment Scheme for Multimedia Access Control with Modified Hash Chain,”
inProc. of IEEE International Conference on Intelligent Information Hiding and Multimedia Signal Processing, no.CM-2.1, pp.293-296, Piraeus, Greece, 20th July, 2012.
Shoko Imaizumi, Masaaki Fujiyoshi, Hitoshi Kiya, Naokazu Aoki, and Hiroyuki Kobayashi,
“Key Derivation Scheme for Hierarchical Access Control to Multimedia Content,”
inProc. of International Workshop on Advanced Image Technology, no.F-4, pp.246-251, Ho Chi Minh City, Vietnam, 10th January, 2012.
Shoko Imaizumi, Masaaki Fujiyoshi, Hitoshi Kiya, Naokazu Aoki, and Hiroyuki Kobayashi,
“A Key Derivation Scheme for Hierarchical Access Control to JPEG 2000 Coded Images,”
Lect. Notes Comput. Sci., Y. -S. Ho (Ed.), Springer-Verlag, vol.7088, pp.180-191, January 2012.
Shoko Imaizumi, Masaaki Fujiyoshi, Hitoshi Kiya, Naokazu Aoki, and Hiroyuki Kobayashi,
“A Key Derivation Scheme for Hierarchical Access Control to JPEG 2000 Coded Images,”
inProc. of Pacific-Rim Symposium on Image and Video Technology, Part II, LNCS 7088, pp.180-191, Gwangju, Korea, 22nd November, 2011.