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@ARTICLE{Harris:861047,
      author       = {Harris, Isaac and Kleefeld, Andreas},
      title        = {{A}nalysis of new direct sampling indicators for far-field
                      measurements},
      journal      = {Inverse problems},
      volume       = {35},
      number       = {5},
      issn         = {1361-6420},
      address      = {Bristol [u.a.]},
      publisher    = {Inst.},
      reportid     = {FZJ-2019-01631},
      pages        = {054002},
      year         = {2019},
      abstract     = {This article focuses on the analysis of three direct
                      sampling indicators which can be used for recovering
                      scatterers from the far-field pattern of time-harmonic
                      acoustic measurements. These methods fall under the category
                      of sampling methods where an indicator function is
                      constructed using the far-field operator. Motivated by some
                      recent work, we study the standard indicator using the
                      far-field operator and two indicators derived from the
                      factorization method. We show equivalence of two indicators
                      previously studied as well as propose a new indicator based
                      on the Tikhonov regularization applied to the far-field
                      equation for the factorization method.Finally, we give some
                      numerical examples to show how the reconstructions compare
                      to other direct sampling methods.},
      cin          = {JSC},
      ddc          = {004},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511)},
      pid          = {G:(DE-HGF)POF3-511},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000466266300002},
      doi          = {10.1088/1361-6420/ab08be},
      url          = {https://juser.fz-juelich.de/record/861047},
}