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pro vyhledávání: '"Mildenberger, Sophie"'
Autor:
Hagemann, Paul, Mildenberger, Sophie, Ruthotto, Lars, Steidl, Gabriele, Yang, Nicole Tianjiao
Score-based diffusion models (SBDM) have recently emerged as state-of-the-art approaches for image generation. Existing SBDMs are typically formulated in a finite-dimensional setting, where images are considered as tensors of finite size. This paper
Externí odkaz:
http://arxiv.org/abs/2303.04772
Publikováno v:
Sampling Theory, Signal Processing, and Data Analysis 21, Article number: 23, 2023. (Open access)
The double Fourier sphere (DFS) method uses a clever trick to transform a function defined on the unit sphere to the torus and subsequently approximate it by a Fourier series, which can be evaluated efficiently via fast Fourier transforms. Similar ap
Externí odkaz:
http://arxiv.org/abs/2301.06540
Publikováno v:
Journal of Fourier Analysis and Applications volume 28, Article number: 31 (2022)
We investigate analytic properties of the double Fourier sphere (DFS) method, which transforms a function defined on the two-dimensional sphere to a function defined on the two-dimensional torus. Then the resulting function can be written as a Fourie
Externí odkaz:
http://arxiv.org/abs/2108.05662
Akademický článek
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Publikováno v:
Sampling Theory, Signal Processing, and Data Analysis; December 2023, Vol. 21 Issue: 2
