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Segmenting the Papillary Muscles and the Trabeculae from High Resolution Cardiac CT through Restoration of Topological Handles

  • Mingchen Gao
  • Chao Chen
  • Shaoting Zhang
  • Zhen Qian
  • Dimitris Metaxas
  • Leon Axel
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7917)

Abstract

We introduce a novel algorithm for segmenting the high resolution CT images of the left ventricle (LV), particularly the papillary muscles and the trabeculae. High quality segmentations of these structures are necessary in order to better understand the anatomical function and geometrical properties of LV. These fine structures, however, are extremely challenging to capture due to their delicate and complex nature in both geometry and topology. Our algorithm computes the potential missing topological structures of a given initial segmentation. Using techniques from computational topology, e.g. persistent homology, our algorithm find topological handles which are likely to be the true signal. To further increase accuracy, these proposals are measured by the saliency and confidence from a trained classifier. Handles with high scores are restored in the final segmentation, leading to high quality segmentation results of the complex structures.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Mingchen Gao
    • 1
  • Chao Chen
    • 1
  • Shaoting Zhang
    • 1
  • Zhen Qian
    • 2
  • Dimitris Metaxas
    • 1
  • Leon Axel
    • 3
  1. 1.CBIM CenterRutgers UniversityPiscatawayUSA
  2. 2.2 Piedmont Heart InstituteAtlantaUSA
  3. 3.New York UniversityNew YorkUSA

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