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A novel approach on the colon wall segmentation and its’ application

  • Huafeng Wang
  • , Wenfeng Song
  • , Lihong Li
  • , Yuan Cao
  • , Haixia Pan
  • , Ming Ma
  • , Jiang Huang
  • , Guangming Mao
  • , Zhengrong Liang
  • Beihang University
  • Stony Brook University
  • City University of New York
  • Civil Aviation Medicine Institute, Civil Aviation Medicine Center (Civil Aviation General Hospital)

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

To measure the thickness of the colon is of much significance for colonic polyps detection in computed tomographic colonography (CTC). For achieving this target, to extract the boundary of both inner and outer colon wall accurately will be the prime task. However, the low contrast of CT attenuation values between colon wall and the surrounding tissues limits many traditional algorithms to achieve this task. Current research work has been exploiting two steps for segmenting inner and outer colon wall: (1) Finding the inner colon wall; and (2) applying geodesic active contour (GAC) based level set to extract outer boundary of colon wall. However, when sticking presents between two colon walls, the task turns to be much more complicated and the threshold level set segmentation method may fail in this situation. In view of this, we present a minimum surface overlay model to extract the inner wall in this paper. Combined with the superposition model, we are able to depict the outer wall of colon in a natural way. We validated the proposed algorithm based on 60 CTC datasets. Compared with the GAC model, the new presented method is more reliable for the colon wall segmentation. Additionally, the application for the wall thickness also provided us with any hints on the colonic polyps detection.

Original languageEnglish
Title of host publicationComputer-Assisted and Robotic Endoscopy - 1st International Workshop, CARE 2014 held in Conjunction with MICCAI 2014, Revised Selected Papers
EditorsXiongbiao Luo, Timothy Soper, Tobias Reichl, Daniel Mirota
PublisherSpringer Verlag
Pages34-45
Number of pages12
ISBN (Electronic)9783319134093
DOIs
StatePublished - 2014

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume8899
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Keywords

  • Colonic wall
  • Computed tomography colonography (CTC)
  • Levelset
  • Minimum surface overlay model
  • Thickness measure

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