Rémi Cogranne, Luisa Verdoliva, Siwei Lyu, Juan Ramón Troncoso-Pastoriza, Xinpeng Zhang: Proceedings of the ACM Workshop on Information Hiding and Multimedia Security, IH&MMSec 2019, Paris, France, July 3-5, 2019. ACM 2019, ISBN 978-1-4503-6821-6