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Open AccessJournal ArticleDOI

Integration of TomoPy and the ASTRA toolbox for advanced processing and reconstruction of tomographic synchrotron data

TLDR
The integration of two Python toolboxes used for processing tomographic data, TomoPy and the ASTRA toolbox, is presented.
Abstract
The processing of tomographic synchrotron data requires advanced and efficient software to be able to produce accurate results in reasonable time. In this paper, the integration of two software toolboxes, TomoPy and the ASTRA toolbox, which, together, provide a powerful framework for processing tomographic data, is presented. The integration combines the advantages of both toolboxes, such as the user-friendliness and CPU-efficient methods of TomoPy and the flexibility and optimized GPU-based reconstruction methods of the ASTRA toolbox. It is shown that both toolboxes can be easily installed and used together, requiring only minor changes to existing TomoPy scripts. Furthermore, it is shown that the efficient GPU-based reconstruction methods of the ASTRA toolbox can significantly decrease the time needed to reconstruct large datasets, and that advanced reconstruction methods can improve reconstruction quality compared with TomoPy's standard reconstruction method.

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Journal ArticleDOI

J. Appl. Cryst.の発刊に際して

良二 上田
Journal ArticleDOI

Fast and flexible X-ray tomography using the ASTRA toolbox.

TL;DR: Aimed at researchers across multiple tomographic application fields, the ASTRA Toolbox provides a highly efficient and highly flexible open source set of tools for tomographic projection and reconstruction.
Journal ArticleDOI

SYRMEP Tomo Project: a graphical user interface for customizing CT reconstruction workflows.

TL;DR: SYRMEP Tomo Project (STP), an open-source software tool conceived to let users design custom CT reconstruction workflows, has been designed for post-beamtime (off-line use) and for a new reconstruction of past archived data at user's home institution where simple computing resources are available.
Journal ArticleDOI

Nickel–copper supported on a carbon black hydrogen oxidation catalyst integrated into an anion-exchange membrane fuel cell

TL;DR: In this article, the first practical platinum group metal-free (PGM-free) electrocatalyst for the hydrogen oxidation reaction (HOR) in alkaline membrane fuel cells (AMFCs), based on nickel-rich Ni95Cu5-alloy nanoparticles supported on Ketjenblack (KB) family carbon blacks.
References
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Journal ArticleDOI

J. Appl. Cryst.の発刊に際して

良二 上田
Journal ArticleDOI

Accelerated image reconstruction using ordered subsets of projection data

TL;DR: Ordered subsets EM (OS-EM) provides a restoration imposing a natural positivity condition and with close links to the EM algorithm, applicable in both single photon (SPECT) and positron emission tomography (PET).

Proc of SPIE

B Krauskopf, +1 more
Journal ArticleDOI

Fast Gradient-Based Algorithms for Constrained Total Variation Image Denoising and Deblurring Problems

TL;DR: A fast algorithm is derived for the constrained TV-based image deblurring problem with box constraints by combining an acceleration of the well known dual approach to the denoising problem with a novel monotone version of a fast iterative shrinkage/thresholding algorithm (FISTA).
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