Facing the Cover-Source Mismatch on JPHide using Training-Set Design

Autor: Patrick Bas, Helena Bruyninckx, Dirk Borghys
Přispěvatelé: Ecole Royale Militaire / Koninklijke Militaire School (ERM KMS), Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189 (CRIStAL), Centrale Lille-Université de Lille-Centre National de la Recherche Scientifique (CNRS)
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: IH&MMSec '18 Proceedings of the 6th ACM Workshop on Information Hiding and Multimedia Security
IH-MMSEC
IH-MMSEC, Jun 2018, Innsbruck, Austria. pp.17-22, ⟨10.1145/3206004.3206021⟩
IH&MMSec
DOI: 10.1145/3206004.3206021⟩
Popis: International audience; This short paper investigates the influence of the image processing pipeline (IPP) on the cover-source mismatch (CSM) for the popular JPHide steganographic scheme. We propose to deal with CSM by combining a forensics and a steganalysis approach. A multi-classifier is first trained to identify the IPP, and secondly a specific training set is designed to train a targeted classifier for steganal-ysis purposes. We show that the forensic step is immune to the steganographic embedding. The proposed IPP-informed steganaly-sis outperforms classical strategies based on training on a mixture of sources and we show that it can provide results close to a detector specifically trained on the appropriate source.
Databáze: OpenAIRE