Compensating for display deficiencies when displaying softcopy mammograms

Elizabeth A. Krupinski, Hans Roehrig, William Dallas, Jiahua Fan

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations


Although full-field digital mammography (FFDM) systems are currently being used to acquire mammograms in digital format, the digital displays being used to display these images are less than ideal compared to traditional film-screen display. The resolution of softcopy displays is less than film and certain properties of the softcopy displays themselves (e.g., MTF) are less than optimal compared to film. We developed methods to compensate for some of these softcopy display efficiencies, based on careful physical characterization of the displays and image processing software to correct the deficiencies. An observer study was done to test the effectiveness of these techniques. A series of FFDM images acquired from different manufacturer devices was shown to six radiologists. Images were displayed at reduced resolution but they could be magnified to show full size. A window could be activated that 1) brought the image detail within the window to full resolution, 2) autoranged the displayed gray levels, and 3) corrected for the non-isotropic MTF of the CRT display. This study examined the way the observers utilized the viewing tools and their overall performance.

Original languageEnglish (US)
Article number43
Pages (from-to)394-400
Number of pages7
JournalProgress in Biomedical Optics and Imaging - Proceedings of SPIE
StatePublished - 2005
EventMedical Imaging 2005 - Image Perception, Observer Performance, and Technology Assessment - San Diego, CA, United States
Duration: Feb 15 2005Feb 17 2005


  • Mammography
  • Observer performance
  • Optimization
  • Softcopy display

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Atomic and Molecular Physics, and Optics
  • Radiology Nuclear Medicine and imaging


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