Graph Representation Learning for Spatial Image Steganalysis

• URL: http://arxiv.org/abs/2110.00957v1
• Date: Sun, 3 Oct 2021 09:09:08 GMT
• Title: Graph Representation Learning for Spatial Image Steganalysis
• Authors: Qiyun Liu and Hanzhou Wu
• Abstract summary: We introduce a graph representation learning architecture for spatial image steganalysis. In the detailed architecture, we translate each image to a graph, where nodes represent the patches of the image and edges indicate the local associations between the patches. By feeding the graph to an attention network, the discriminative features can be learned for efficient steganalysis.
• Score: 11.358487655918678
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In this paper, we introduce a graph representation learning architecture for spatial image steganalysis, which is motivated by the assumption that steganographic modifications unavoidably distort the statistical characteristics of the hidden graph features derived from cover images. In the detailed architecture, we translate each image to a graph, where nodes represent the patches of the image and edges indicate the local associations between the patches. Each node is associated with a feature vector determined from the corresponding patch by a shallow convolutional neural network (CNN) structure. By feeding the graph to an attention network, the discriminative features can be learned for efficient steganalysis. Experiments indicate that the reported architecture achieves a competitive performance compared to the benchmark CNN model, which has shown the potential of graph learning for steganalysis.

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