Search Results for author: Patrick Bas

Found 3 papers, 3 papers with code

Leveraging Data Geometry to Mitigate CSM in Steganalysis

1 code implementation6 Oct 2023 Rony Abecidan, Vincent Itier, Jérémie Boulanger, Patrick Bas, Tomáš Pevný

By exploring a grid of processing pipelines fostering CSM, we discovered a geometrical metric based on the chordal distance between subspaces spanned by DCTr features, that exhibits high correlation with operational regret while being not affected by the cover-stego balance.

Steganalysis

Using Set Covering to Generate Databases for Holistic Steganalysis

1 code implementation7 Nov 2022 Rony Abecidan, Vincent Itier, Jérémie Boulanger, Patrick Bas, Tomáš Pevný

Within an operational framework, covers used by a steganographer are likely to come from different sensors and different processing pipelines than the ones used by researchers for training their steganalysis models.

Domain Generalization Steganalysis

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