Compensating for display deficiencies when displaying softcopy mammograms

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

doi:10.1117/12.591727

6 April 2005 Compensating for display deficiencies when displaying softcopy mammograms

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

Proceedings Volume 5749, Medical Imaging 2005: Image Perception, Observer Performance, and Technology Assessment; (2005) https://doi.org/10.1117/12.591727
Event: Medical Imaging, 2005, San Diego, California, United States

Abstract

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.

Citation Download Citation

Elizabeth A. Krupinski, Hans Roehrig, William Dallas, and Jiahua Fan "Compensating for display deficiencies when displaying softcopy mammograms", Proc. SPIE 5749, Medical Imaging 2005: Image Perception, Observer Performance, and Technology Assessment, (6 April 2005); https://doi.org/10.1117/12.591727

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