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Feature Space Optimization for Virtual Chromoendoscopy Augmented by Topography

  • Germán González
  • Vicente Parot
  • William Lo
  • Benjamin J. Vakoc
  • Nicholas J. Durr
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8673)

Abstract

Optical colonoscopy is the preferred modality for the screening and prevention of colorectal cancer. Chromoendoscopy can increase lesion detection rate by highlighting tissue topography with a colored dye, but is too time-consuming to be adopted in routine colonoscopy screening. We developed a fast and dye-free technique that generates virtual chromoendoscopy images that incorporate topography features acquired from photometric stereo endoscopy. We demonstrate that virtual chromoendoscopy augmented by topography achieves similar image quality to conventional chromoendoscopy in ex-vivo swine colon.

Keywords

optical colonoscopy chromoendoscopy photometric stereo endoscopy topography 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Germán González
    • 1
  • Vicente Parot
    • 1
  • William Lo
    • 2
  • Benjamin J. Vakoc
    • 2
  • Nicholas J. Durr
    • 1
  1. 1.Madrid-MIT M+Vision ConsortiumMassachusetts Institute of TechnologyCambridgeUSA
  2. 2.Wellman Center for PhotomedicineHarvard Medical School and Massachusetts General HospitalBostonUSA

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