Breast density measurement in full-field digital mammography: System calibration and stability

Charlotte Kerrison, Oliver Putt, Jamie C. Sergeant, Tina Dunn, Jennifer Diffey, Susan M. Astley, Alan Hufton

    Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

    Abstract

    Breast density calibrations and stability measurements were undertaken on digital mammography systems to investigate whether a single calibration could be used for extended periods. The results indicated that the calibration did not change over time and was the same for two units investigated. The daily mean pixel value per mAs (MPV/mAs) for five systems was recorded over 22 months and showed varying periods of stability up to more than a year. However, step changes in MPV/mAs were noted and resulted from, for example, detector re-calibration or replacement. During stable periods the MPV/mAs for the static units varied mostly by
    Original languageEnglish
    Title of host publicationLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)|Lect. Notes Comput. Sci.
    Place of PublicationBerlin Heidelberg
    PublisherSpringer Nature
    Pages545-552
    Number of pages7
    Volume7361
    ISBN (Print)9783642312700
    DOIs
    Publication statusPublished - 2012
    Event11th International Workshop on Breast Imaging, IWDM 2012 - Philadelphia, PA
    Duration: 1 Jul 2012 → …

    Conference

    Conference11th International Workshop on Breast Imaging, IWDM 2012
    CityPhiladelphia, PA
    Period1/07/12 → …

    Keywords

    • Breast density
    • calibration
    • digital mammography
    • stability

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