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- W3016281805 abstract "In order to reduce radiation dose during CT scanning, sparse sampling is an effective way. Although the TV-based iterative reconstruction algorithm is a breakthrough to solve the problem of sparse-view CT image reconstruction, its applicability is still limited by huge computational burden. It is necessary to study the acceleration method of TV-based iterative algorithm. This paper show that the FISTA acceleration method is not suitable for POCS-TV algorithm, meanwhile, an improved acceleration method, IFISTA, is proposed to accelerate the convergence rate of POCS-TV. Numerical experiments show that the convergence rate of POCS-TV-IFISTA is about 35% faster than POCS-TV." @default.
- W3016281805 created "2020-04-24" @default.
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- W3016281805 date "2020-04-15" @default.
- W3016281805 modified "2023-09-26" @default.
- W3016281805 title "An Accelerated Convergence Algorithm for Sparse-View CT Image Reconstruction" @default.
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- W3016281805 doi "https://doi.org/10.1088/1757-899x/782/4/042031" @default.
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