@article{FischerSelverGezeretal.2015,
  author    = {Fischer, Felix and Selver, M. Alper and Gezer, Sinem and Dicle, Oguz and Hillen, Walter},
  title     = {Systematic Parameterization, Storage, and Representation of Volumetric DICOM Data},
  series = {Journal of Medical and Biological Engineering},
  volume    = {35},
  journal   = {Journal of Medical and Biological Engineering},
  number    = {6},
  publisher = {Springer},
  address   = {Berlin},
  issn      = {2199-4757},
  doi       = {10.1007/s40846-015-0097-5},
  pages     = {709 -- 723},
  year      = {2015},
  language  = {en}
}
@article{DesernoAachAmuntsetal.2011,
  author    = {Deserno, Thomas M. and Aach, Til and Amunts, Katrin and Hillen, Walter and Kuhlen, Torsten and Scholl, Ingrid},
  title     = {Advances in medical image processing : A special Issue on the Workshop in Aachen, Germany, March 2010},
  series = {Computer Science - Research and Development. 26 (2011), H. 1-2},
  journal   = {Computer Science - Research and Development. 26 (2011), H. 1-2},
  publisher = {springer},
  address   = {Berlin},
  isbn      = {1865-2042},
  pages     = {1 -- 3},
  year      = {2011},
  language  = {en}
}
@article{DammErlerHillenetal.2011,
  author    = {Damm, Alexander and Erler, Andr{\´e} and Hillen, Walter and Meroni, Michele and Schaepman, Michael E. and Verhoef, Wout and Rascher, Uwe},
  title     = {Modeling the impact of spectral sensor configurations on the FLD retrieval accuracy of sun-induced chlorophyll fluorescence},
  series = {Remote Sensing of Environment},
  volume    = {115},
  journal   = {Remote Sensing of Environment},
  number    = {8},
  publisher = {Elsevier},
  address   = {Amsterdam},
  isbn      = {0034-4257},
  pages     = {1882 -- 1892},
  year      = {2011},
  language  = {en}
}
@article{HillenAlperSelverFischeretal.2007,
  author    = {Hillen, Walter and Alper Selver, M. and Fischer, Felix and Kuntalp, Mehmet},
  title     = {A software tool for interactive generation, representation, and systematical storage of transfer functions for 3D medical images / Alper Selver, M. ; Fischer, Felix ; Kuntalp, Mehmet ; Hillen, Walter},
  series = {Computer Methods and Programs in Biomedicine. 86 (2007), H. 3},
  journal   = {Computer Methods and Programs in Biomedicine. 86 (2007), H. 3},
  publisher = {-},
  isbn      = {0169-2607},
  pages     = {270 -- 280},
  year      = {2007},
  language  = {en}
}
@article{HillenUnglaubenWirtz2002,
  author    = {Hillen, Walter and Unglauben, F. and Wirtz, G.},
  title     = {Architectures and Modeling of Distributed Image Information Systems. Unglauben, F.; Hillen, W.; Wirtz, G.},
  series = {Proceedings : July 14 - 18, 2002, Orlando, Florida, USA ; [jointly with the 8th International Conference on Information Systems Analysis and Synthesis (ISAS 2002)] / organized by IIIS, International Institute of Informatics and Systemics. Ed. by Nagib Callaos},
  journal   = {Proceedings : July 14 - 18, 2002, Orlando, Florida, USA ; [jointly with the 8th International Conference on Information Systems Analysis and Synthesis (ISAS 2002)] / organized by IIIS, International Institute of Informatics and Systemics. Ed. by Nagib Callaos},
  publisher = {IIIS},
  address   = {Orlando, Fla.},
  isbn      = {9800781501},
  year      = {2002},
  language  = {en}
}
@article{HillenUnglaubenMurdfield2001,
  author    = {Hillen, Walter and Unglauben, F. and Murdfield, M.},
  title     = {Study of Database Connections for a Java Medical Image Viewer. Unglauben, F.; Hillen, W.; Murdfield, M.},
  series = {Intelligente, innovative Produktentwicklung f{\"u}r die industrielle Praxis. Bl{\"u}mel, Bernd; Stenzel, Horst [Hrsg.]},
  journal   = {Intelligente, innovative Produktentwicklung f{\"u}r die industrielle Praxis. Bl{\"u}mel, Bernd; Stenzel, Horst [Hrsg.]},
  publisher = {Forschungverbund Multimedia an Fachhochschulen},
  address   = {K{\"o}ln},
  pages     = {29 -- 33},
  year      = {2001},
  language  = {en}
}
@article{HillenBarryPongs1997,
  author    = {Hillen, Walter and Barry, J. C. and Pongs, U. M.},
  title     = {Algorithm for Purkinje Image I and IV and Limbus Centre Location. Barry, J. C.; Pongs, U. M.; Hillen, W.},
  series = {Computers in Biology and Medicine. 27 (1997), H. 6},
  journal   = {Computers in Biology and Medicine. 27 (1997), H. 6},
  isbn      = {0010-4825},
  pages     = {515 -- 531},
  year      = {1997},
  language  = {en}
}
@article{HillenLehmannHornetal.1996,
  author    = {Hillen, Walter and Lehmann, T. and Horn, H. and Schmitt, W.},
  title     = {Identification of Dental Fixtures in Intraoral X-rays. Lehmann, T.; Hillen, W.; Horn, H.; Schmitt, W.},
  series = {Medical imaging 1996 : image processing ; 12 - 15 February 1996, Newport Beach, California / Murray H. Loew ... chairs/ed.},
  journal   = {Medical imaging 1996 : image processing ; 12 - 15 February 1996, Newport Beach, California / Murray H. Loew ... chairs/ed.},
  publisher = {SPIE - The International Society for Optical Engineering},
  address   = {Bellingham, Wash.},
  isbn      = {0-8194-2085-9},
  pages     = {584 -- 584},
  year      = {1996},
  language  = {en}
}
@article{HillenLehmannHornetal.1995,
  author    = {Hillen, Walter and Lehmann, T. and Horn, H. and Schmitt, W.},
  title     = {IDEFIX - Identification of Dental Fixtures. Lehmann, T.; Hillen, W.; Horn, H.; Schmitt, W.},
  series = {5th European Congress on Dental and Maxillo-Facial Radiology : 30th Annual meeting of Working Group for Dental Radiology in the German Scientific Society for Dentistry, November 8-11, 1995, Cologne : abstracts},
  journal   = {5th European Congress on Dental and Maxillo-Facial Radiology : 30th Annual meeting of Working Group for Dental Radiology in the German Scientific Society for Dentistry, November 8-11, 1995, Cologne : abstracts},
  pages     = {[120] B. : graph. Darst.},
  year      = {1995},
  language  = {en}
}
@article{HillenSchmittBockemuehl1995,
  author    = {Hillen, Walter and Schmitt, W. and Bockem{\"u}hl, J.},
  title     = {Signal-to-Noise Performance of a digital dental X-ray Detector},
  series = {Computer assisted radiology : proceedings of the International Symposium on Computer and Communication Systems for Image Guided Diagnosis and Therapy / CAR '95 Berlin, June 21 - 24, 1995. Ed. by H. U. Lemke},
  journal   = {Computer assisted radiology : proceedings of the International Symposium on Computer and Communication Systems for Image Guided Diagnosis and Therapy / CAR '95 Berlin, June 21 - 24, 1995. Ed. by H. U. Lemke},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-59177-X},
  pages     = {LXXIV, 1442 S. : Ill., graph. Darst.},
  year      = {1995},
  language  = {en}
}
@article{HillenEckenbachQuadfliegetal.1991,
  author    = {Hillen, Walter and Eckenbach, W. and Quadflieg, Peter and Zaengel, Thomas T.},
  title     = {Signal-to-noise performance of a CsI fluorescent screen},
  series = {Medical Imaging V: Image physics},
  journal   = {Medical Imaging V: Image physics},
  isbn      = {0-8194-0538-8},
  pages     = {120 -- 131},
  year      = {1991},
  language  = {en}
}
@article{HillenRuppSchiebeletal.1989,
  author    = {Hillen, Walter and Rupp, S. and Schiebel, U. and Zaengel, Thomas T.},
  title     = {Imaging performance of a selenium-based detector for high-resolution radiography},
  series = {Medical Imaging III: Image Formation},
  journal   = {Medical Imaging III: Image Formation},
  isbn      = {0-8194-0125-0},
  pages     = {296},
  year      = {1989},
  language  = {en}
}
@article{HillenSchiebelZaengel1988,
  author    = {Hillen, Walter and Schiebel, U. and Zaengel, T.},
  title     = {A selenium-based detector for digital slot-radiography},
  series = {Medical Imaging II},
  journal   = {Medical Imaging II},
  pages     = {253},
  year      = {1988},
  language  = {en}
}
@article{HillenSchiebelZaengel1987,
  author    = {Hillen, Walter and Schiebel, U. and Zaengel, T.},
  title     = {Imaging performance of a digital storage phosphor system},
  series = {Medical Physics. 14 (1987), H. 5},
  journal   = {Medical Physics. 14 (1987), H. 5},
  isbn      = {0094-2405},
  pages     = {744 -- 751},
  year      = {1987},
  language  = {en}
}
@article{HillenSchiebelZaengel1986,
  author    = {Hillen, Walter and Schiebel, U. and Zaengel, T.},
  title     = {Image quality in selenium-based digital radiography. Schiebel, U.; Hillen, W.; Zaengel, T.},
  series = {Medical Imaging},
  journal   = {Medical Imaging},
  pages     = {176},
  year      = {1986},
  language  = {en}
}
@article{Hillen1982,
  author    = {Hillen, Walter},
  title     = {A measurement of \&\#963;tot(e+e\&\#8722; \&\#8594; hadrons) for cm energies between 12.0 and 36.7 GeV. TASSO Collaboration},
  series = {Physics Letters B. 113 (1982), H. 6},
  journal   = {Physics Letters B. 113 (1982), H. 6},
  pages     = {499 -- 508},
  year      = {1982},
  language  = {en}
}
@article{Hillen1982,
  author    = {Hillen, Walter},
  title     = {Scale braking in inclusive charged particle production by e--e+ annihilation. TASSO Collaboration},
  series = {Physics Letters B. 114 (1982), H. 1},
  journal   = {Physics Letters B. 114 (1982), H. 1},
  isbn      = {0370-2693},
  pages     = {65 -- 70},
  year      = {1982},
  language  = {en}
}
@article{Hillen1982,
  author    = {Hillen, Walter},
  title     = {Charged pion production in e--e+ annihilation at 14, 22 and 34 GeV c.m. energies. TASSO Collaboration},
  series = {Physics Letters B. 113 (1982), H. 1},
  journal   = {Physics Letters B. 113 (1982), H. 1},
  isbn      = {0370-2693},
  pages     = {98 -- 104},
  year      = {1982},
  language  = {en}
}
@article{Hillen1982,
  author    = {Hillen, Walter},
  title     = {Charge asymmetry and weak interaction effects in e+e\&\#8722;\&\#8594;\&\#956;+\&\#956;\&\#8722; and e+e\&\#8722;\&\#8594;\&\#964;+\&\#964;\&\#8722; . TASSO Collaboration},
  series = {Physics Letters B. 110 (1982), H. 2},
  journal   = {Physics Letters B. 110 (1982), H. 2},
  isbn      = {0370-2693},
  pages     = {173 -- 180},
  year      = {1982},
  language  = {en}
}
@article{Hillen1982,
  author    = {Hillen, Walter},
  title     = {\&\#960;0 production by e+e\&\#8722; annihilation at 14 and 34 GeV c.m. energy . TASSO Collaboration},
  series = {Physics Letters B. 108 (1982), H. 1},
  journal   = {Physics Letters B. 108 (1982), H. 1},
  isbn      = {0370-2693},
  pages     = {71 -- 76},
  year      = {1982},
  language  = {en}
}