Recent advances in intelligent information hiding and multimedia signal processing proceeding of the Fourteenth International Conference on Intelligent Information Hiding and Multimedia Signal Processing, November, 26-28, 2018, Sendai, Japan, Volume 1 - Pan, Jeng-Shyang; Ito, Akinori; Tsai, Pei-Wei; Jain, L. C. 1946- (Smart innovation, systems and technologies, 2019)