Data Fusion in Radial Basis Function Networks for Spatial Regression

  • Authors:
  • Tianming Hu;Sam Yuan Sung

  • Affiliations:
  • Department of ComputerScience, National University of Singapore, Singapore 117543;Department of ComputerScience, National University of Singapore, Singapore 117543

  • Venue:
  • Neural Processing Letters
  • Year:
  • 2005

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Abstract

Conventional radial basis function (RBF) networks for spatial regression assume independent and identical distribution and ignore spatial information. In contrast to input fusion, we push spatial information further into RBF networks by fusing output from hidden and output layers. Three case studies demonstrate the advantage of hidden fusion over others and indicate the optimal value is around 1 for the coefficient used in hidden fusion, which links the output from the hidden layer for each site with their neighbors.