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Volumetric Breast Density Estimation on Mammograms Using Breast Tissue Equivalent Phantoms – An Update

  • Bindu J. Augustine
  • Gordon E. Mawdsley
  • Norman F. Boyd
  • Martin J. Yaffe
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4046)

Abstract

Methods for improving the accuracy of a technique for estimating volumetric breast density are described. A breast tissue-equivalent phantom encompassing a range of thicknesses and compositions of tissue is used to evaluate the sources of error in the technique. The image acquisition parameters that can affect the accuracy of calibration are considered, and sensitivity to these factors is evaluated. The robustness of the technique was tested by obtaining calibration images on 24 mammography machines, at 18 different sites, over a period of 3 years. The ability to use a single calibration on all machines of a given model type was assessed by comparing effective linear attenuation coefficients of fat and fibroglandular tissues, derived from the calibration phantom images obtained from various machines.

Keywords

Mammographic Density Beam Hardening Calibration Image Fibroglandular Tissue Mammography Unit 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Bindu J. Augustine
    • 1
  • Gordon E. Mawdsley
    • 1
  • Norman F. Boyd
    • 2
  • Martin J. Yaffe
    • 1
  1. 1.Imaging Research, Sunnybrook Health Sciences Centre and Department of Medical BiophysicsUniversity of TorontoTorontoCanada
  2. 2.Division of Epidemiology and StatisticsOntario Cancer InstituteTorontoCanada

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