@article{Hillen1998,
  author    = {Hillen, Walter},
  title     = {Bildrestauration in der digitalen Radiographie mit Hilfe parallel arbeitender Signalprozessoren},
  series = {Parallele Datenverarbeitung : Entwurfsmethoden, Bildverarbeitung, Simulation ; Workshop der Arbeitsgemeinschaft "Parallelverarbeitung an Fachhochschulen in NRW" am 19.6.1998 in Bochum / J{\"o}rg Krone ... (Hrsg.)},
  journal   = {Parallele Datenverarbeitung : Entwurfsmethoden, Bildverarbeitung, Simulation ; Workshop der Arbeitsgemeinschaft "Parallelverarbeitung an Fachhochschulen in NRW" am 19.6.1998 in Bochum / J{\"o}rg Krone ... (Hrsg.)},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-355310-4},
  pages     = {78 -- 87},
  year      = {1998},
  language  = {de}
}
@article{HillenWinterschladeKrone1998,
  author    = {Hillen, Walter and Winterschlade, T. and Krone, J.},
  title     = {Erkennung lokaler Bildfehler in R{\"o}ntgenbildverst{\"a}rkern durch parallel arbeitende Bildrechner},
  series = {Parallele Datenverarbeitung : Entwurfsmethoden, Bildverarbeitung, Simulation ; Workshop der Arbeitsgemeinschaft "Parallelverarbeitung an Fachhochschulen in NRW" am 19.6.1998 in Bochum / J{\"o}rg Krone ... (Hrsg.)},
  journal   = {Parallele Datenverarbeitung : Entwurfsmethoden, Bildverarbeitung, Simulation ; Workshop der Arbeitsgemeinschaft "Parallelverarbeitung an Fachhochschulen in NRW" am 19.6.1998 in Bochum / J{\"o}rg Krone ... (Hrsg.)},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-355310-4},
  pages     = {88 -- 94},
  year      = {1998},
  language  = {de}
}
@article{HillenJansenUnglaubenetal.1998,
  author    = {Hillen, Walter and Jansen, N. and Unglauben, F. and Indefrey, R.},
  title     = {Multimediale Darstellung und Verarbeitung medizinischer Bilddaten in Rechnernetzen.},
  series = {Bildverarbeitung f{\"u}r die Medizin 1998 : Algorithmen - Systeme - Anwendungen ; proceedings des Workshops am 26. und 27. M{\"a}rz 1998 in Aachen / Thomas Lehmann ... (Hrsg.)},
  journal   = {Bildverarbeitung f{\"u}r die Medizin 1998 : Algorithmen - Systeme - Anwendungen ; proceedings des Workshops am 26. und 27. M{\"a}rz 1998 in Aachen / Thomas Lehmann ... (Hrsg.)},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3540638857},
  pages     = {373 -- 377},
  year      = {1998},
  language  = {de}
}
@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     = {IDEFIX - Identifizierung dentaler Fixturen mit morphologischen Filtern. Lehmann, T.; Horn, H.; Schmitt, W., Hillen, W.; Spitzer, K.},
  series = {Bildverarbeitung f{\"u}r die Medizin : Algorithmen - Systeme - Anwendungen ; proceedings des Aachener Workshops am 8. und 9. November 1996 / Institut f{\"u}r Medizinische Informatik und Biometrie der RWTH Aachen. Hrsg. von Thomas Lehmann ...},
  journal   = {Bildverarbeitung f{\"u}r die Medizin : Algorithmen - Systeme - Anwendungen ; proceedings des Aachener Workshops am 8. und 9. November 1996 / Institut f{\"u}r Medizinische Informatik und Biometrie der RWTH Aachen. Hrsg. von Thomas Lehmann ...},
  publisher = {Verl. der Augustinus-Buchh.},
  address   = {Aachen},
  isbn      = {3-86073-519-5},
  pages     = {327 -- 332},
  year      = {1996},
  language  = {de}
}
@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}
}