Chokri Chemak, Mohamed Salim Bouhlel, Jean-Christophe Lapayre. A new scheme of robust image watermarking: the double watermarking algorithm. In Gabriel Andrés Wainer, editor, Proceedings of the 2007 Summer Computer Simulation Conference, SCSC 2007, San Diego, California, USA, July 16-19, 2007. pages 1201-1208, Simulation Councils, Inc., 2007. [doi]