Automatic Labeling of Colonoscopy Video for Cancer Detection

  • Authors:
  • Fernando Vilariño;Gerard Lacey;Jiang Zhou;Hugh Mulcahy;Stephen Patchett

  • Affiliations:
  • Computer Science Dept. Trinity College Dublin, Dublin 1, Ireland;Computer Science Dept. Trinity College Dublin, Dublin 1, Ireland;Computer Science Dept. Trinity College Dublin, Dublin 1, Ireland;St. Vincent's University Hospital, Elm park, Dublin 4, Ireland;Beaumount Hospital, P.O. Box 1297 Beaumont Road, Dublin 9, Ireland

  • Venue:
  • IbPRIA '07 Proceedings of the 3rd Iberian conference on Pattern Recognition and Image Analysis, Part I
  • Year:
  • 2007

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Abstract

The labeling of large quantities of medical video data by clinicians is a tedious and time consuming task. In addition, the labeling process itself is rigid, since it requires the expert's interaction to classify image contents into a limited number of predetermined categories. This paper describes an architecture to accelerate the labeling step using eye movement tracking data. We report some initial results in training a Support Vector Machine (SVM) to detect cancer polyps in colonoscopy video, and a further analysis of their categories in the feature space using Self Organizing Maps (SOM). Our overall hypothesis is that the clinician's eye will be drawn to the salient features of the image and that sustained fixations will be associated with those features that are associated with disease states.