DRAGON: A Large-Scale Dataset of Realistic Images Generated by Diffusion Models

• URL: http://arxiv.org/abs/2505.11257v1
• Date: Fri, 16 May 2025 13:50:34 GMT
• Title: DRAGON: A Large-Scale Dataset of Realistic Images Generated by Diffusion Models
• Authors: Giulia Bertazzini, Daniele Baracchi, Dasara Shullani, Isao Echizen, Alessandro Piva,
• Abstract summary: DRAGON is a comprehensive dataset comprising images from 25 diffusion models.<n>The dataset contains a broad variety of images representing diverse subjects.<n>DRAGON is designed to support the forensic community in developing and evaluating detection and attribution techniques for synthetic content.
• Score: 48.347550000332866
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: The remarkable ease of use of diffusion models for image generation has led to a proliferation of synthetic content online. While these models are often employed for legitimate purposes, they are also used to generate fake images that support misinformation and hate speech. Consequently, it is crucial to develop robust tools capable of detecting whether an image has been generated by such models. Many current detection methods, however, require large volumes of sample images for training. Unfortunately, due to the rapid evolution of the field, existing datasets often cover only a limited range of models and quickly become outdated. In this work, we introduce DRAGON, a comprehensive dataset comprising images from 25 diffusion models, spanning both recent advancements and older, well-established architectures. The dataset contains a broad variety of images representing diverse subjects. To enhance image realism, we propose a simple yet effective pipeline that leverages a large language model to expand input prompts, thereby generating more diverse and higher-quality outputs, as evidenced by improvements in standard quality metrics. The dataset is provided in multiple sizes (ranging from extra-small to extra-large) to accomodate different research scenarios. DRAGON is designed to support the forensic community in developing and evaluating detection and attribution techniques for synthetic content. Additionally, the dataset is accompanied by a dedicated test set, intended to serve as a benchmark for assessing the performance of newly developed methods.

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