Detecting GAN-generated Imagery using Color Cues
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Abstract (arXiv)
Image forensics is an increasingly relevant problem, as it can potentially address online disinformation campaigns and mitigate problematic aspects of social media. Of particular interest, given its recent successes, is the detection of imagery produced by Generative Adversarial Networks (GANs), e.g. `deepfakes'. Leveraging large training sets and extensive computing resources, recent work has shown that GANs can be trained to generate synthetic imagery which is (in some ways) indistinguishable from real imagery. We analyze the structure of the generating network of a popular GAN implementation, and show that the network's treatment of color is markedly different from a real camera in two ways. We further show that these two cues can be used to distinguish GAN-generated imagery from camera imagery, demonstrating effective discrimination between GAN imagery and real camera images used to train the GAN.
Key facts. Cited by 75 papers in the map (data through 7 Oct 2026). First posted on arXiv 19 Dec 2018.
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Citing papers per year: 2021: 14; 2022: 10; 2023: 10; 2024: 15; 2025: 14; 2026: 12.
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- 2024Spectrum Translation for Refinement of Image Generation (STIG) Based on Contrastive Learning and Spectral Filter Profilecited by 4
- 2026Diffusion Epistemic Uncertainty with Asymmetric Learning for Diffusion-Generated Image Detectioncited by 3
- 2024Learning on Less: Constraining Pre-trained Model Learning for Generalizable Diffusion-Generated Image Detectioncited by 2
- 2026A Difference-in-Difference Approach to Detecting AI-Generated Imagescited by 2
- 2026FIND: A Simple yet Effective Baseline for Diffusion-Generated Image Detectioncited by 2
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- 2026Deepfake Detection Generalization with Diffusion Noisecited by 0
- 2026Deepfake Detection Generalization with Diffusion Noise16 Apr 2026
- 2026FIND: A Simple yet Effective Baseline for Diffusion-Generated Image Detection15 Mar 2026
- 2026A Difference-in-Difference Approach to Detecting AI-Generated Images27 Feb 2026
- 2026Diffusion Epistemic Uncertainty with Asymmetric Learning for Diffusion-Generated Image Detection21 Jan 2026
- 2025NS-Net: Decoupling CLIP Semantic Information through NULL-Space for Generalizable AI-Generated Image Detection2 Aug 2025
- 2024PromptLA: Towards Integrity Verification of Black-box Text-to-Image Diffusion Models20 Dec 2024
- 2024Learning on Less: Constraining Pre-trained Model Learning for Generalizable Diffusion-Generated Image Detection1 Dec 2024
- 2024LaRE2: Latent Reconstruction Error Based Method for Diffusion-Generated Image Detection26 Mar 2024
- 2024Spectrum Translation for Refinement of Image Generation (STIG) Based on Contrastive Learning and Spectral Filter Profile8 Mar 2024
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- 2021Improving the Efficiency and Robustness of Deepfakes Detection through Precise Geometric Featurescited by 57
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- 2024RIGID: A Training-free and Model-Agnostic Framework for Robust AI-Generated Image Detectioncited by 36
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- 2021Robust Attentive Deep Neural Network for Exposing GAN-generated Facescited by 28
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- 2026RealHD: A High-Quality Dataset for Robust Detection of State-of-the-Art AI-Generated Images11 Feb 2026
- 2026Unknown Aware AI-Generated Content Attribution1 Jan 2026
- 2025A parameter-efficient three-branch architecture for multimodal misinformation detection with limited annotations23 Dec 2025
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