Present and Future Generalization of Synthetic Image Detectors

• URL: http://arxiv.org/abs/2409.14128v1
• Date: Sat, 21 Sep 2024 12:46:17 GMT
• Title: Present and Future Generalization of Synthetic Image Detectors
• Authors: Pablo Bernabeu-Perez, Enrique Lopez-Cuena, Dario Garcia-Gasulla,
• Abstract summary: Detectors need to be able to generalize widely and be robust to uncontrolled alterations. None of the evaluated detectors is found universal, but results indicate an ensemble could be. Experiments on data collected in the wild show this task to be more challenging than the one defined by large-scale datasets.
• Score: 0.6144680854063939
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The continued release of new and better image generation models increases the demand for synthetic image detectors. In such a dynamic field, detectors need to be able to generalize widely and be robust to uncontrolled alterations. The present work is motivated by this setting, when looking at the role of time, image transformations and data sources, for detector generalization. In these experiments, none of the evaluated detectors is found universal, but results indicate an ensemble could be. Experiments on data collected in the wild show this task to be more challenging than the one defined by large-scale datasets, pointing to a gap between experimentation and actual practice. Finally, we observe a race equilibrium effect, where better generators lead to better detectors, and vice versa. We hypothesize this pushes the field towards a perpetually close race between generators and detectors.

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