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A Filter-Based Approach Towards Automatic Detection of Microcalcification

  • Zhi Qing Wu
  • Jianmin Jiang
  • Yong Hong Peng
  • Thor Ole Gulsrud
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4046)

Abstract

To establish a practical CAD (Computer-Aided Diagnosis) system to facilitate the diagnosis of microcalcifications, we propose a filter-based technique to detect microcalcifications. Via examination of an existing optimal filter-based technique, it is found that its performance on highlighting the energy of mammograms is seriously affected by artefacts and the background of breast. As a result, four methods in pre and post-processing are described in this paper to improve the optimal filtering, leading to an adaptive selection of thresholds for input mammograms. These methods have been tested by using 30 mammograms (with 25 microcalcifications) from the MIAS database and 23 mammograms from DDSM database. Comparing with the original optimal filter-based technique, our technique reduces the false detections (FD), eliminates the influence of the background in mammograms and is able to adaptively select the threshold for the detection of microcalcifications.

Keywords

True Positive Rate White Spot Digital Mammography False Detection Optimal Filter 
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

  • Zhi Qing Wu
    • 1
  • Jianmin Jiang
    • 1
  • Yong Hong Peng
    • 1
  • Thor Ole Gulsrud
    • 2
  1. 1.School of InformaticsUniversity of BradfordBradfordUK
  2. 2.Department of Electrical and Computer EngineeringUniversity of StavangerStavangerNorway

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