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Search: L773:0277 786X OR L773:1996 756X OR L773:9781510609594 > GPU-Accelerated Cou...

GPU-Accelerated Coupled Ptychographic Tomography

Achilles, Silvio (author)
German Electron Synchrotron (DESY)
Ehrig, Simeon (author)
Helmholtz-Zentrum Dresden-Rossendorf
Hoffmann, Nico (author)
Helmholtz-Zentrum Dresden-Rossendorf
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Kahnt, Maik (author)
Lund University,Lunds universitet,MAX IV, NanoMAX,MAX IV, Imaging,MAX IV, Vetenskapsavdelning,MAX IV-laboratoriet,MAX IV, NanoMAX,MAX IV, Imaging,MAX IV, Science division,MAX IV Laboratory
Becher, Johannes (author)
Karlsruhe Institute of Technology
Fam, Yakub (author)
Karlsruhe Institute of Technology
Sheppard, Thomas (author)
Karlsruhe Institute of Technology
Brückner, Dennis (author)
German Electron Synchrotron (DESY)
Schropp, Andreas (author)
German Electron Synchrotron (DESY)
Schroer, Christian G. (author)
German Electron Synchrotron (DESY),University of Hamburg
Muller, Bert (editor)
Wang, Ge (editor)
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 (creator_code:org_t)
SPIE, 2022
2022
English 9 s.
In: Developments in X-Ray Tomography XIV. - : SPIE. - 0277-786X .- 1996-756X. - 9781510654686 ; 12242
  • Conference paper (peer-reviewed)
Abstract Subject headings
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  • Scanning coherent X-ray microscopy (ptychography) has gained considerable interest during the last decade since the performance of this indirect imaging technique does not necessarily rely on the quality of the X-ray optics and, in principle, can achieve highest spatial resolution in X-ray imaging. The method can be easily extended to 3D by adding standard tomographic reconstruction schemes. However, the tomographic reconstruction is often applied in a subsequent step using a sequence of aligned ptychographic 2D projections. In this contribution, we outline current developments of a GPU-accelerated framework for direct 3D ptychography, coupling 2D ptychography and tomography. The program utilizes a custom GPU-accelerated framework for ptychography that offers three distinct ptychographic reconstruction algorithms. The tomographic reconstruction runs simultaneously and uses numerical routines of the ASTRA Toolbox. This parallel-computing approach results in a high performance increase considerably reducing the reconstruction time of 3D ptychographic datasets.

Subject headings

NATURVETENSKAP  -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)

Keyword

CUDA
phase retrieval
ptychography
tomography

Publication and Content Type

kon (subject category)
ref (subject category)

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