Zobrazeno 1 - 10
of 108
pro vyhledávání: '"Ren, Zemin"'
In this paper, we propose a new GPU implementation of the Katsevich algorithm for helical CT reconstruction. Our implementation divides the sinograms and reconstructs the CT images pitch by pitch. By utilizing the periodic properties of the parameter
Externí odkaz:
http://arxiv.org/abs/2201.02309
In this paper, we first present an arc based algorithm for fan-beam computed tomography (CT) reconstruction via applying Katsevich's helical CT formula to 2D fan-beam CT reconstruction. Then, we propose a new weighting function to deal with the redun
Externí odkaz:
http://arxiv.org/abs/2101.01886
In this paper, we first propose a variational model for the limited-angle computed tomography (CT) image reconstruction and then convert the model into an end-to-end deep network.We use the penalty method to solve the model and divide it into three i
Externí odkaz:
http://arxiv.org/abs/2008.03988
A CT image can be well reconstructed when the sampling rate of the sinogram satisfies the Nyquist criteria and the sampled signal is noise-free. However, in practice, the sinogram is usually contaminated by noise, which degrades the quality of a reco
Externí odkaz:
http://arxiv.org/abs/2001.07150
Publikováno v:
In Displays July 2022 73
Publikováno v:
In Applied Mathematical Modelling July 2021 95:644-666
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In Blood 1 April 2021 137(13):1713-1718
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In Signal Processing February 2019 155:193-201
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In Image and Vision Computing July 2018 75:32-43
Publikováno v:
In Neurocomputing 15 March 2018 281:106-120