Ajay Goel, O .P.Sahu, Aman Soni, Punit Soni"A Copy Attack on Robust Digital Watermarking in Multi Domain for the Stego Images."Information & Security: An International Journal26,no. 1(2011):27-33.
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