A novel modular neural network for imbalanced classification problems

  • Authors:
  • Zhong-Qiu Zhao

  • Affiliations:
  • School of Computer and Information, Hefei University of Technology, Tunxi Road No. 193, Hefei Anhui 230009, China and Intelligent Computing Laboratory, Hefei Institute of Intelligent Machines, Chi ...

  • Venue:
  • Pattern Recognition Letters
  • Year:
  • 2009

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Abstract

In this paper, a novel modular neural network is proposed to solve multi-class problems with imbalanced training sets. The proposed model can transform an imbalanced classification problem into a set of symmetrical two-class problems, each of which is solved by single neural network with a simple structure. The results of all neural networks are then combined by averaging or GA method to form a final classification decision. The experimental results show that the proposed method reduces the time consumption for training and improves the classification performance.