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From:
Sander Dieleman
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Diffusion is spectral autoregression
https://sander.ai/2024/09/02/spectral-autoregression.html
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Tagged with:
deep learning
generative models
diffusion
spectrum
spectral analysis
autoregression
fourier transform
natural images
A deep dive into spectral analysis of diffusion models of images, revealing how they implicitly perform a form of autoregression in the frequency domain.
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