TSG classifies real versus synthetic images by feeding the image at a fixed noise timestep through a frozen diffusion U-Net and classifying its predicted noise map.
Deep unsupervised learning using nonequilibrium thermodynamics
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Time Step Generating: A Universal Synthesized Deepfake Image Detector
TSG classifies real versus synthetic images by feeding the image at a fixed noise timestep through a frozen diffusion U-Net and classifying its predicted noise map.