Po-Chyi Su, C. C. Jay Kuo. Spatial-frequency composite watermarking for digital image copyright protection. In Ping Wah Wong, Edward J. Delp III, editors, Security and Watermarking of Multimedia Contents II, San Jose, CA, USA, January 22, 2000. Volume 3971 of SPIE Proceedings, pages 295-305, SPIE, 2000. [doi]
Abstract is missing.