Digital-Forensics and Watermarking 13th International Workshop, IWDW 2014, Taipei, Taiwan, October 1-4, 2014. Revised Selected Papers - Shi, Yun-Qing; Kim, Hyoung Joong; Pérez-González, Fernando; Yang, Ching-Nung (Springer International Publishing : Imprint: Springer, 2015)