International Journal of Electronics and Computer Science Engineering
The development of computer networks enhance the development of the information technology in different areas. Sometimes the digital data can be easily used to copied, modified and distributed in an illegal way. The copy right protection, intellectual protection and material right protection for authors, owners, buyers and distributors is necessary and the authenticity of content or matter are crucial factors to solving problem. In such case the digital watermarking techniques play an important role as a valid solution.