Soo-Chang Pei, Jun-Horng Chen. Improved watermarking scheme by reference signal mingling. In Edward J. Delp III, Ping Wah Wong, editors, Security and Watermarking of Multimedia Contents IV, San Jose, CA, USA, January 19, 2002. Volume 4675 of SPIE Proceedings, pages 450-457, SPIE, 2002. [doi]
Abstract is missing.