Hierarchical scrambling scheme for palette-based images. - Anu Aryal; Shoko Imaizumi; Naokazu Aoki (ISPACS, 2014)

Improvement of Multi-bit Information Embedding Algorithm for Palette-Based Images. - Anu Aryal; Kazuma Motegi; Shoko Imaizumi; Naokazu Aoki (ISC, 2015)

Integrated algorithm for block-permutation-based encryption with reversible data hiding. - Anu Aryal; Shoko Imaizumi; Takahiko Horiuchi; Hitoshi Kiya (APSIPA, 2017)

Integrated Model of Image Protection Techniques. - Anu Aryal; Shoko Imaizumi; Takahiko Horiuchi; Hitoshi Kiya (J. Imaging, 2018)