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GSURE-Based Diffusion Model Training with Corrupted Data
June 17, 2024, 4:45 a.m. | Bahjat Kawar, Noam Elata, Tomer Michaeli, Michael Elad
cs.LG updates on arXiv.org arxiv.org
Abstract: Diffusion models have demonstrated impressive results in both data generation and downstream tasks such as inverse problems, text-based editing, classification, and more. However, training such models usually requires large amounts of clean signals which are often difficult or impossible to obtain. In this work, we propose a novel training technique for generative diffusion models based only on corrupted data. We introduce a loss function based on the Generalized Stein's Unbiased Risk Estimator (GSURE), and prove …
abstract arxiv classification corrupted data cs.cv cs.lg data data generation diffusion diffusion model diffusion models editing eess.iv however novel replace results tasks text training type work
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