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@ARTICLE{Bangun:911182,
      author       = {Bangun, Arya and Melnykyz, Oleh and März, Benjamin and
                      Diederichs, Benedikt and Clausen, Alexander and Weber,
                      Dieter and Filbir, Frank and Muller-Caspary, Knut},
      title        = {{I}nverse {M}ultislice {P}tychography by {L}ayer-wise
                      {O}ptimisation and {S}parse {M}atrix {D}ecomposition},
      journal      = {IEEE transactions on computational imaging},
      volume       = {8},
      issn         = {2333-9403},
      address      = {[New York, NY]},
      publisher    = {IEEE},
      reportid     = {FZJ-2022-04494},
      pages        = {996 - 1011},
      year         = {2022},
      abstract     = {We propose algorithms based on an optimisation method for
                      inverse multislice ptychography in, e.g. electron
                      microscopy. The multislice method is widely used to model
                      the interaction between relativistic electrons and thick
                      specimens. Since only the intensity of diffraction patterns
                      can be recorded, the challenge in applying inverse
                      multislice ptychography is to uniquely reconstruct the
                      electrostatic potential in each slice up to some
                      ambiguities. In this conceptual study, we show that a unique
                      separation of atomic layers for simulated data is possible
                      when considering a low acceleration voltage. We also
                      introduce an adaptation for estimating the illuminating
                      probe. For the sake of practical application, we finally
                      present slice reconstructions using experimental 4D scanning
                      transmission electron microscopy (STEM) data.},
      cin          = {ER-C-1},
      ddc          = {004},
      cid          = {I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {5351 - Platform for Correlative, In Situ and Operando
                      Characterization (POF4-535) / moreSTEM - Momentum-resolved
                      Scanning Transmission Electron Microscopy (VH-NG-1317) /
                      Ptychography 4.0 - Proposal for a pilot project "Information
                      $\&$ Data Science" (ZT-I-0025) / EDARTI - Electron
                      Diffraction Inversion by Artificial Intelligence Approaches
                      (ZT-I-PF-Z5-28)},
      pid          = {G:(DE-HGF)POF4-5351 / G:(DE-HGF)VH-NG-1317 /
                      G:(DE-HGF)ZT-I-0025 / G:(DE-HGF)ZT-I-PF-Z5-28},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000888957200001},
      doi          = {10.1109/TCI.2022.3218993},
      url          = {https://juser.fz-juelich.de/record/911182},
}