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Image Similarity and Asymmetry to Improve Computer-Aided Detection of Breast Cancer

  • Dave Tahmoush
  • Hanan Samet
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4046)

Abstract

An improved image similarity method is introduced to recognize breast cancer, and it is incorporated into a computer-aided breast cancer detection system through Bayes Theorem. Radiologists can use the differences between the left and right breasts, or asymmetry, in mammograms to help detect certain malignant breast cancers. Image similarity is used to determine asymmetry using a contextual and then a spatial comparison. The mammograms are filtered to find the most contextually significant points, and then the resulting point set is analyzed for spatial similarity. We develop the analysis through a combination of modeling and supervised learning of model parameters. This process correctly classifies mammograms 84% of the time, and significantly improves the accuracy of a computer-aided breast cancer detection system by 71%.

Keywords

Breast Cancer Image Retrieval Image Similarity Digital Mammography Digital Mammogram 
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

  • Dave Tahmoush
    • 1
    • 2
  • Hanan Samet
    • 1
  1. 1.Computer Science Department, Center for Automation Research, Institute for Advanced Computer ScienceUniversity of MarylandCollege ParkUSA
  2. 2.Applied Physics LaboratoryJohns Hopkins UniversityLaurelUSA

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