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.
Shoko Imaizumi and Kanichi Taniguchi,
“Hierarchical Image Authentication Based on Reversible Data Hiding,”
Bull. Soc. Photogr. Imag. Japan, vol.24, no.1, pp.1-5, June 2014.
Best Paper Award of SPIJ Prize
Shoko Imaizumi and Kei Ozawa,
“Multibit Embedding Algorithm for Steganography of Palette-Based Images,”
Lect. Notes Comput. Sci., R. Klette, M. Rivera, S. Satoh (Eds.), Springer-Verlag, vol.8333, pp.99-110, January 2014.