Encryption and Data Insertion Technique using Region Division and Histogram Manipulation. - Ryoma Ito 002; KokSheik Wong; Simying Ong; Kiyoshi Tanaka (APSIPA, 2018)

Improvements on Data Insertion Technique in Encrypted Image against Lossy Compression. - Ryoma Ito 002; Kiyoshi Tanaka; KokSheik Wong; Simying Ong (ISPACS, 2019)

Merge Mode-based Data Embedding in SHVC Compressed Video. - LieLin Pang; KokSheik Wong; Ryoma Ito 002 (ISPACS, 2019)