Shu-Fen Tu, Ching-Sheng Hsu"A Joint Ownership Protection Scheme for Digital Images Based on Visual Cryptography."The International Arab Journal of Information Technology9,no. 3(2012):
Ching-Sheng Hsu, Shu-Fen Tu"Digital Watermarking Scheme with Visual Cryptography."International MultiConference of Engineers and Computer Scientists, IMECS 2008(2008):
Shu-Fen Tu, Ching-Sheng Hsu"A VC-Based Copyright Protection Scheme for Digital Images of Multi-Authorship."World Congress on Engineering, WCE 2007(2007):
Shu-Fen Tu, Ching-Sheng Hsu"A BTC-Based Watermarking Scheme for Digital Images."Information & Security: An International Journal15,no. 2(2004):216-228.15.15_Tu_Hsu.pdf