Optimal image feature set for detecting lung nodules on chest X-ray images

  • Jun Wei
  • Yoshihiro Hagihara
  • Akinobu Shimizu
  • Hidefumi Kobatake

Abstract

The performance of a computer-aided diagnosis system depends on the feature set used in it. This paper shows the results of image feature selection experiments. We evaluated 210 features to look for the optimum feature set. For the purpose, a forward stepwise selection approach was employed. The area under the receiver operating characteristic (ROC) curve was adopted to evaluate the performance of each feature set. Analysis of the optimally selected feature set is given and the experiments using 247 chest x-ray images are also shown.

Keywords

Computer aided diagnosis lung cancer feature selection 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Jun Wei
    • 1
  • Yoshihiro Hagihara
    • 1
  • Akinobu Shimizu
    • 1
  • Hidefumi Kobatake
    • 1
  1. 1.Graduate School of Bio-Applications and Systems EngineeringTokyo University of Agriculture and TechnologyTokyoJapan

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