Watermarking textures in video games. - Huajian Liu; Waldemar Berchtold; Marcel Schäfer; Patrick Lieb; Martin Steinebach (Media Watermarking, Security, and Forensics, 2014)

Secure communication protocol for a low-bandwidth audio channel. - Waldemar Berchtold; Patrick Lieb; Martin Steinebach (EUSIPCO, 2017)