A Geometrically Robust Watermarking Scheme Based on Self-Recognition Watermark Pattern. - Hefei Ling; Zhengding Lu; Fuhao Zou; Wugang Yuan (ICME, 2006)

Log-scaling magnitude modulated watermarking scheme. - Hefei Ling; Wugang Yuan; Fuhao Zou; Zhengding Lu (Sci. China Ser. F Inf. Sci., 2007)