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@ARTICLE{Mevenkamp:878659,
      author       = {Mevenkamp, Niklas and MacArthur, Katherine E. and Tileli,
                      Vasiliki and Ebert, Philipp and Allen, Leslie J. and
                      Berkels, Benjamin and Duchamp, Martial},
      title        = {{M}ulti-modal and multi-scale non-local means method to
                      analyze spectroscopic datasets},
      journal      = {Ultramicroscopy},
      volume       = {209},
      issn         = {0304-3991},
      address      = {Amsterdam},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2020-02980},
      pages        = {112877 -},
      year         = {2020},
      abstract     = {A multi-modal and multi-scale non-local means (M3S-NLM)
                      method is proposed to extract atomically resolved
                      spectroscopic maps from low signal-to-noise (SNR) datasets
                      recorded with a transmission electron microscope. This
                      method improves upon previously tested denoising techniques
                      as it takes into account the correlation between the
                      dark-field signal recorded simultaneously with the
                      spectroscopic dataset without compromising on the spatial
                      resolution. The M3S-NLM method was applied to electron
                      energy dispersive X-ray and electron-energy-loss
                      spectroscopy (EELS) datasets. We illustrate the retrieval of
                      the atomic scale diffusion process in an Al1-xInxN alloy
                      grown on GaN and the surface oxidation state of perovskite
                      nanocatalysts. The improved SNR of the EELS dataset also
                      allows the retrieval of atomically resolved oxidation maps
                      considering the fine structure absorption edge of LaMnO3
                      nanoparticles.},
      cin          = {ER-C-1},
      ddc          = {570},
      cid          = {I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)
                      / DFG project 257727131 - Nanoskalige Pt
                      Legierungselektrokatalysatoren mit definierter Morphologie:
                      Synthese, Electrochemische Analyse, und ex-situ/in-situ
                      Transmissionselektronenmikroskopische (TEM) Studien
                      (257727131)},
      pid          = {G:(DE-HGF)POF3-143 / G:(GEPRIS)257727131},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31884381},
      UT           = {WOS:000510861500005},
      doi          = {10.1016/j.ultramic.2019.112877},
      url          = {https://juser.fz-juelich.de/record/878659},
}