Audio watermarking and partial encryption. - Martin Steinebach; Sascha Zmudzinski; Torsten Bölke (Security, Steganography, and Watermarking of Multimedia Contents, 2005)

Framework for combined video frame synchronization and watermark detection. - Enrico Hauer; Torsten Bölke; Martin Steinebach (Security, Steganography, and Watermarking of Multimedia Contents, 2007)