Gordon W. Braudaway, Frederick C. Mintzer. Automatic recovery of invisible image watermarks from geometrically distorted images. 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 74-81, SPIE, 2000. [doi]