1. Digital image watermarking using mixing systems;Voyatzis;Computers & Graphics,1998
2. A new watermarking technique for multimedia protection;Lu,2001
3. A survey of watermarking techniques applied to multimedia;Lee,2001
4. A public verifiable copy protection technique for still images;Lee;The Journal of Systems and Software,2002
5. Watermarking applications and their properties;Cox,2000