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Title: GENFIRE: A generalized Fourier iterative reconstruction algorithm for high-resolution 3D imaging

Journal Article · · Scientific Reports
 [1]; ORCiD logo [1];  [1];  [2];  [1];  [1];  [3];  [4];  [5];  [1]
  1. Univ. of California, Los Angeles, CA (United States)
  2. Univ. of California, Los Angeles, CA (United States); UCLA-DOE Institute for Genomics and Proteomics, Los Angeles, CA (United States)
  3. Univ. of California, Los Angeles, CA (United States); CNRS-Univ. de Strasbourg, Strasbourg (France)
  4. Stanford Univ., Stanford, CA (United States)
  5. UCLA-DOE Institute for Genomics and Proteomics, Los Angeles, CA (United States)

Tomography has made a radical impact on diverse fields ranging from the study of 3D atomic arrangements in matter to the study of human health in medicine. Despite its very diverse applications, the core of tomography remains the same, that is, a mathematical method must be implemented to reconstruct the 3D structure of an object from a number of 2D projections. Here, we present the mathematical implementation of a tomographic algorithm, termed GENeralized Fourier Iterative REconstruction (GENFIRE), for high-resolution 3D reconstruction from a limited number of 2D projections. GENFIRE first assembles a 3D Fourier grid with oversampling and then iterates between real and reciprocal space to search for a global solution that is concurrently consistent with the measured data and general physical constraints. The algorithm requires minimal human intervention and also incorporates angular refinement to reduce the tilt angle error. We demonstrate that GENFIRE can produce superior results relative to several other popular tomographic reconstruction techniques through numerical simulations and by experimentally reconstructing the 3D structure of a porous material and a frozen-hydrated marine cyanobacterium. As a result, equipped with a graphical user interface, GENFIRE is freely available from our website and is expected to find broad applications across different disciplines.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1394084
Journal Information:
Scientific Reports, Vol. 7, Issue 1; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 57 works
Citation information provided by
Web of Science

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Cited By (12)

Three-dimensional structural dynamics of DNA origami Bennett linkages using individual-particle electron tomography journal February 2018
A molecular cross-linking approach for hybrid metal oxides journal March 2018
Correlating the three-dimensional atomic defects and electronic properties of two-dimensional transition metal dichalcogenides journal March 2020
Observing crystal nucleation in four dimensions using atomic electron tomography journal June 2019
Quantitative characterization of high temperature oxidation using electron tomography and energy-dispersive X-ray spectroscopy journal July 2018
Single-Molecule 3D Images of “Hole-Hole” IgG1 Homodimers by Individual-Particle Electron Tomography journal June 2019
Multimodal x-ray and electron microscopy of the Allende meteorite journal September 2019
A streaming multi-GPU implementation of image simulation algorithms for scanning transmission electron microscopy journal October 2017
Electron tomography for functional nanomaterials journal April 2020
Atomic electron tomography in three and four dimensions journal April 2020
A Streaming Multi-GPU Implementation of Image Simulation Algorithms for Scanning Transmission Electron Microscopy preprint January 2017
Correlative 3D x-ray fluorescence and ptychographic tomography of frozen-hydrated green algae journal November 2018

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