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- W2378575175 abstract "In this paper, we present some variational models and their computational algorithms to reconstruct density distribution of an axially symmetric object by X-ray radiographs, generalising previous works on spherically symmetric objects. Since effective numerical solution of the nonlinear systems generated from these models remains a mathematical challenge, the proposed use of an augmented Lagrangian method enables incorporation of high order regularizers and an automatic adding of regularization in the case of additional blurring. Some preliminary tests are conducted. This work lays the foundation for future works to model 3D non-symmetric objects by X-ray radiographs." @default.
- W2378575175 created "2016-06-24" @default.
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- W2378575175 date "2015-09-01" @default.
- W2378575175 modified "2023-09-26" @default.
- W2378575175 title "On some variational models and their algorithms for axially symmetric objects tomography from a single X-ray source" @default.
- W2378575175 doi "https://doi.org/10.1360/n012015-00072" @default.
- W2378575175 hasPublicationYear "2015" @default.
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