Kyu-Tae Kim, Jung-Jin Kim, Eun-Soo Kim. Information hiding technique using optical correlators. In Ping Wah Wong, Edward J. Delp III, editors, Security and Watermarking of Multimedia Contents III, San Jose, CA, USA, January 20, 2001. Volume 4314 of SPIE Proceedings, pages 565-574, SPIE, 2001. [doi]
Abstract is missing.