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Abstract

Supervised learning is ubiquitous in medical image analysis. In this paper we consider the problem of meta-learning – predicting which methods will perform well in an unseen classification problem, given previous experience with other classification problems. We investigate the first step of such an approach: how to quantify the similarity of different classification problems. We characterize datasets sampled from six classification problems by performance ranks of simple classifiers, and define the similarity by the inverse of Euclidean distance in this meta-feature space. We visualize the similarities in a 2D space, where meaningful clusters start to emerge, and show that the proposed representation can be used to classify datasets according to their origin with 89.3% accuracy. These findings, together with the observations of recent trends in machine learning, suggest that meta-learning could be a valuable tool for the medical imaging community.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Veronika Cheplygina
    • 1
    • 2
  • Pim Moeskops
    • 1
  • Mitko Veta
    • 1
  • Behdad Dashtbozorg
    • 1
  • Josien P. W. Pluim
    • 1
    • 3
  1. 1.Medical Image Analysis, Department of Biomedical EngineeringEindhoven University of TechnologyEindhovenThe Netherlands
  2. 2.Biomedical Imaging Group Rotterdam, Departments of Radiology and Medical InformaticsErasmus Medical CenterRotterdamThe Netherlands
  3. 3.Image Sciences InstituteUniversity Medical Center UtrechtUtrechtThe Netherlands

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