N. Rajesh Kumar, R. Bala Krishnan, G. Manikandan, N. R. Raajan, Vol. 14, No. 7, July 31, 2020
10.3837/tiis.2020.07.007

• Diwy
• Secret Sharing
• image transmission
• bound level
• Visual cryptography

Arindom Mondal, Kazi Md. Rokibul Alam, G. G. Md. Nawaz Ali, Peter Han Joo Chong, Yasuhiko Morimoto, Vol. 13, No. 5, May 30, 2019
10.3837/tiis.2019.05.025

• Image secrecy
• Multi-stage encryption
• Visual cryptography
• One time pad
• Steganography
• Least Significant Bit

Hao Hu, Gang Shen, Zhengxin Fu, Bin Yu, Vol. 12, No. 7, July 30, 2018
10.3837/tiis.2018.07.022

• Secret image sharing
• Visual cryptography
• random grid
• Threshold
• contrast

Ching-Nung Yang, Guo-Cin Ye, Cheonshik Kim, Vol. 5, No. 2, February 27, 2011
10.3837/tiis.2011.02.013

• Data Hiding
• halftone image
• XOR operation
• Visual cryptography