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DisDiff: Unsupervised Disentanglement of Diffusion Probabilistic Models

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arxiv 2301.13721 v3 pith:E75VHD3A submitted 2023-01-31 cs.CV

classification cs.CV
keywords dpmsfactorsdiffusiondisdiffdisentangledfieldsrepresentationtask
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Targeting to understand the underlying explainable factors behind observations and modeling the conditional generation process on these factors, we connect disentangled representation learning to Diffusion Probabilistic Models (DPMs) to take advantage of the remarkable modeling ability of DPMs. We propose a new task, disentanglement of (DPMs): given a pre-trained DPM, without any annotations of the factors, the task is to automatically discover the inherent factors behind the observations and disentangle the gradient fields of DPM into sub-gradient fields, each conditioned on the representation of each discovered factor. With disentangled DPMs, those inherent factors can be automatically discovered, explicitly represented, and clearly injected into the diffusion process via the sub-gradient fields. To tackle this task, we devise an unsupervised approach named DisDiff, achieving disentangled representation learning in the framework of DPMs. Extensive experiments on synthetic and real-world datasets demonstrate the effectiveness of DisDiff.

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Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

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    Decaf trains a Lie-group generator whose disentangled latent space is aligned with a normalizing flow's latent space, so that changing one learned coordinate changes one generative factor.

  5. Riemannian Deep Learning: Modules, Networks, and Geometries

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