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Iso-Diffusion: Improving Diffusion Probabilistic Models Using the Isotropy of the Additive Gaussian Noise
March 26, 2024, 4:42 a.m. | Dilum Fernando, Dhananjaya jayasundara, Roshan Godaliyadda, Chaminda Bandara, Parakrama Ekanayake, Vijitha Herath
cs.LG updates on arXiv.org arxiv.org
Abstract: Denoising Diffusion Probabilistic Models (DDPMs) have accomplished much in the realm of generative AI. Despite their high performance, there is room for improvement, especially in terms of sample fidelity by utilizing statistical properties that impose structural integrity, such as isotropy. Minimizing the mean squared error between the additive and predicted noise alone does not impose constraints on the predicted noise to be isotropic. Thus, we were motivated to utilize the isotropy of the additive noise …
abstract arxiv cs.lg denoising diffusion fidelity generative improvement improving integrity iso noise performance room sample statistical terms type
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