Transactions on Data Hiding and Multimedia Security IX Special Issue on Visual Cryptography Shi Yun Q. Heftet / 2014 / Engelsk
Digital Watermarking 9th International Workshop, IWDW 2010, Seoul, Korea, October 1-3, 2010, Revised Selected Papers Kim, Hyoung-Joong Heftet / 2011 / Engelsk
Digital Watermarking 6th International Workshop, IWDW 2007 Guangzhou, China, December 3-5, 2007, Proceedings Shi Yun Q. Heftet / 2008 / Engelsk
Digital-Forensics and Watermarking 11th International Workshop, IWDW 2012, Shanghai, China, October 31--November 3, 2012, Revised Selected Papers Shi Yun Q. Heftet / 2013 / Engelsk
Digital Watermarking 8th International Workshop, IWDW 2009, Guildford, UK, August 24-26, 2009, Proceedings Ho, Anthony T. S. Heftet / 2009 / Engelsk