Generalizing over Aspect and Location for Rooftop Detection

  • Authors:
  • Marcus A. Maloof;Pat Langley;Thomas O. Binford;Ramakant Nevatia

  • Affiliations:
  • -;-;-;-

  • Venue:
  • WACV '98 Proceedings of the 4th IEEE Workshop on Applications of Computer Vision (WACV'98)
  • Year:
  • 1998

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Abstract

We present the results of an empirical study inwhich we evaluated cost-sensitive learning algorithmson a rooftop detection task, which is one level of processing in a building detection system. Specifically, weinvestigated how well machine learning methods generalized to unseen images that differed in location andin aspect. For the purpose of comparison, we includedin our evaluation a handcrafted linear classifier, whichis the selection heuristic currently used in the buildingdetection system. ROC analysis showed that, whengeneralizing to unseen images that differed in locationand aspect, a naive Bayesian classifier outperformednearest neighbor and the handcrafted solution.