An Architecture for the detection of GAN-generated Flood Images with Localization Capabilities

• URL: http://arxiv.org/abs/2205.07073v1
• Date: Sat, 14 May 2022 14:23:44 GMT
• Title: An Architecture for the detection of GAN-generated Flood Images with Localization Capabilities
• Authors: Jun Wang, Omran Alamayreh, Benedetta Tondi and Mauro Barni
• Abstract summary: We propose a hybrid deep learning architecture including both a detection and a localization branch. We find that adding a localization branch helps the network to focus on the most relevant image regions. The good performance of the proposed architecture is validated on two datasets of pristine flood images downloaded from the internet and three datasets of fake flood images generated by ClimateGAN.
• Score: 36.85653682256554
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In this paper, we address a new image forensics task, namely the detection of fake flood images generated by ClimateGAN architecture. We do so by proposing a hybrid deep learning architecture including both a detection and a localization branch, the latter being devoted to the identification of the image regions manipulated by ClimateGAN. Even if our goal is the detection of fake flood images, in fact, we found that adding a localization branch helps the network to focus on the most relevant image regions with significant improvements in terms of generalization capabilities and robustness against image processing operations. The good performance of the proposed architecture is validated on two datasets of pristine flood images downloaded from the internet and three datasets of fake flood images generated by ClimateGAN starting from a large set of diverse street images.

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