Eichi Arai and Shoko Imaizumi,
“An Extension of High-Capacity Reversible Data Hiding in Encrypted Images with Bit-Plane Partition,”
inProc. of IEEE International Conference on Consumer Electronics – Taiwan, pp.459-460, Taipei, Taiwan, R.O.C. (online), 8th July, 2022.

Eichi Arai and Shoko Imaizumi,
“An Efficient Data Hiding Method Using Correlation Coefficients among Index Colors for Palette-Based Images,”
inProc. of IEEE Global Conference on Consumer Electronics, pp.407-410, Kyoto, Japan, 13th October, 2021.