3D Reconstruction of virtual colon structures from colonoscopy images

Dong Ho Hong, Wallapak Tavanapong, Johnny Wong, Jung Hwan Oh, Piet C. de Groen

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


This paper presents the first fully automated reconstruction technique of 3D virtual colon segments from individual colonoscopy images. It is the basis of new software applications that may offer great benefits for improving quality of care for colonoscopy patients. For example, a 3D map of the areas inspected and uninspected during colonoscopy can be shown on request of the endoscopist during the procedure. The endoscopist may revisit the suggested uninspected areas to reduce the chance of missing polyps that reside in these areas. The percentage of the colon surface seen by the endoscopist can be used as a coarse objective indicator of the quality of the procedure. The derived virtual colon models can be stored for post-procedure training of new endoscopists to teach navigation techniques that result in a higher level of procedure quality. Our technique does not require a prior CT scan of the colon or any global positioning device. Our experiments on endoscopy images of an Olympus synthetic colon model reveal encouraging results with small average reconstruction errors (4.1. mm for the fold depths and 12.1. mm for the fold circumferences).

Original languageEnglish (US)
Pages (from-to)22-33
Number of pages12
JournalComputerized Medical Imaging and Graphics
Issue number1
StatePublished - Jan 2014

Bibliographical note

Funding Information:
This work was supported in part by the National Science Foundation STTR Grant No. IIP-0956847 , Agency for Healthcare Research and Quality Grant No. HS17537 , National Institute of Diabetes and Digestive and Kidney Diseases Grant No. DK083745 , Mayo Clinic, and EndoMetric Corporation. Opinions and findings in this paper are those of the authors and do not represent those of the funding agencies.


  • 3D Colon reconstruction
  • Optical colonoscopy
  • Quality of colonoscopy
  • Virtual colon


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