Chi-Shiang Chan, Yung-Chen Chou, Yi-Hui Chen, Yuan-Yu Tsai, Vol. 8, No. 5, May 28, 2014
10.3837/tiis.2014.05.016

• Boolean-based VSS
• Multi-secret image sharing
• Visual secret sharing

Yin-Jen Chiang, Pei-Yu Lin, Ran-Zan Wang, Yi-Hui Chen, Vol. 7, No. 10, October 28, 2013
10.3837/tiis.2013.10.012

• QR barcode
• Steganography
• wet paper code
• error correction capability