An Efficient Data Hiding Method Using Correlation Coefficients among Index Colors for Palette-Based Images. - Eichi Arai; Shoko Imaizumi (GCCE, 2021)

An Extension of High-Capacity Reversible Data Hiding in Encrypted Images with Bit-Plane Partition. - Eichi Arai; Shoko Imaizumi (ICCE-TW, 2022)

High-Capacity Reversible Data Hiding in Encrypted Images with Flexible Restoration. - Eichi Arai; Shoko Imaizumi (J. Imaging, 2022)