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- W2349945400 abstract "The Katsevich algorithm is an exact reconstruction method with the type of filtered back projection(FBP).However,it is very time-consuming and parallel implementation has to be considered for practical use.Here we use graphics processing unit(GPU) to accelerate the algorithm.Compared with existing methods,we carry out all the calculations in GPU and uses PI line to determine the integration range.We also proposed an exact expression for the memory to be allocated in GPU.Furthermore,(IO) times are reduced to as low as possible.Simulations are used to show our method's speed,precision and stability." @default.
- W2349945400 created "2016-06-24" @default.
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- W2349945400 date "2011-01-01" @default.
- W2349945400 modified "2023-09-28" @default.
- W2349945400 title "A practical GPU-based implementation of the Katsevich algorithm" @default.
- W2349945400 hasPublicationYear "2011" @default.
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