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A New Workflow for x-ray fluorescence tomography: MAPSToTomoPy.

Young Pyo Hong1, Si Chen2, Chris Jacobsen3

  • 1Department of Physics and Astronomy, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA.

Proceedings of Spie--The International Society for Optical Engineering
|April 23, 2016
PubMed
Summary

MAPSToTomoPy streamlines X-ray fluorescence tomography by integrating MAPS and TomoPy software. This workflow enhances elemental concentration analysis and 3D reconstruction for advanced imaging applications.

Keywords:
SoftwareTomographyX-ray Imaging

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Area of Science:

  • * Materials Science and Nanotechnology
  • * Biophysics and Structural Biology
  • * Synchrotron Radiation Applications

Background:

  • * X-ray fluorescence tomography (XFT) is crucial for elemental mapping in 2D and 3D.
  • * Existing workflows at facilities like the Advanced Photon Source (APS) require manual data assembly.
  • * Current methods for XFT reconstruction are often labor-intensive and prone to errors.

Purpose of the Study:

  • * To develop an automated workflow for X-ray fluorescence tomography.
  • * To integrate existing software packages (MAPS and TomoPy) for seamless data processing.
  • * To provide tools for improved visualization and correction of tomographic data.

Main Methods:

  • * Development of MAPSToTomoPy, a graphical user interface (GUI) program.
  • * Integration of MAPS for elemental concentration extraction and TomoPy for tomographic reconstruction.
  • * Implementation of sinogram visualization tools for misalignment correction.

Main Results:

  • * MAPSToTomoPy automates the assembly of 2D elemental maps into 3D datasets.
  • * The software facilitates the correction of rotation axis misalignments using sinogram visualization.
  • * An integrated output for 3D elemental distribution is generated for further analysis.

Conclusions:

  • * MAPSToTomoPy significantly simplifies and improves the efficiency of X-ray fluorescence tomography.
  • * The developed workflow enhances the accuracy and accessibility of 3D elemental mapping.
  • * This advancement supports detailed nanoscale elemental analysis in various scientific fields.