Mingqin Geng, Puyi Yu, Hongmei Han, Zhengcen Teng, Jing Hu, Yifu Gao. Reversible watermarking based on invariant sum value for 2D vector maps. In 3rd IEEE International Conference on Network Infrastructure and Digital Content, IC-NIDC 2012, Beijing, China, September 21-23, 2012. pages 521-525, IEEE, 2012. [doi]
Abstract is missing.