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- W4292722115 abstract "The characteristic feature of inverse problems is their instability with respect to data perturbations. In order to stabilize the inversion process, regularization methods have to be developed and applied. In this work we introduce and analyze the concept of filtered diagonal frame decomposition which extends the standard filtered singular value decomposition to the frame case. Frames as generalized singular system allows to better adapt to a given class of potential solutions. In this paper, we show that filtered diagonal frame decomposition yield a convergent regularization method. Moreover, we derive convergence rates under source type conditions and prove order optimality under the assumption that the considered frame is a Riesz-basis." @default.
- W4292722115 created "2022-08-23" @default.
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- W4292722115 date "2020-08-14" @default.
- W4292722115 modified "2023-09-29" @default.
- W4292722115 title "Regularization of Inverse Problems by Filtered Diagonal Frame Decomposition" @default.
- W4292722115 doi "https://doi.org/10.48550/arxiv.2008.06219" @default.
- W4292722115 hasPublicationYear "2020" @default.
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