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@ARTICLE{Lustfeld:14723,
      author       = {Lustfeld, H. and Hirschfeld, J. A. and Reißel, M. and
                      Steffen, B.},
      title        = {{E}nhancement of precision and reduction of measuring
                      points in tomographic reconstructions},
      journal      = {Physics letters / A},
      volume       = {375},
      issn         = {0375-9601},
      address      = {Amsterdam},
      publisher    = {North-Holland Publ.},
      reportid     = {PreJuSER-14723},
      pages        = {1167 - 1171},
      year         = {2011},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Accurate external measurements are required in tomographic
                      problems to obtain a reasonable knowledge of the internal
                      structures. Crucial is the distribution of the external
                      measuring points. We suggest a procedure how to
                      systematically optimize this distribution viz, to increase
                      the precision (i.e. to shrink error bars) of the
                      reconstruction by detecting the important and by eliminating
                      the irrelevant measuring points. In a realistic numerical
                      example we apply our scheme to magnetotomography of fuel
                      cells. The result is striking: Starting from a smooth
                      distribution of measuring points on a surface of a cuboid
                      around the fuel cell, the number of measuring points can
                      systematically be reduced by more than $90\%.$ At the same
                      time the precision increases by a factor of nearly 3. (C)
                      2011 Elsevier B.V. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {PGI-1 / IAS-1 / JSC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-1-20110106 / I:(DE-Juel1)IAS-1-20090406 /
                      I:(DE-Juel1)JSC-20090406},
      pnm          = {Grundlagen für zukünftige Informationstechnologien
                      (FUEK412) / Scientific Computing (FUEK411) / 411 -
                      Computational Science and Mathematical Methods (POF2-411)},
      pid          = {G:(DE-Juel1)FUEK412 / G:(DE-Juel1)FUEK411 /
                      G:(DE-HGF)POF2-411},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000287780300001},
      doi          = {10.1016/j.physleta.2011.01.015},
      url          = {https://juser.fz-juelich.de/record/14723},
}