Image Euclidean distance-based manifold dimensionality reduction algorithm for hyperspectral imagery
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Dept of Electronic Engineering, Fudan University,Dept of Electronic Engineering, Fudan University,Dept of Electronic Engineering, Fudan University,Dept of Electronic Engineering, Fudan University

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    Abstract:

    Two nonlinear dimensionality reduction methods were proposed based on image Euclidean distance. Considering the physical characters of hyperspectral imagery, the methods introduced image Euclidean distance into traditional manifold dimensionality reduction. Compared with other methods, our methods have several advantages. The introduction of image Euclidean distance not only considers hyperspectral image’s spatial relationship, but also preserves the local feature of datasets well. Thus the proposed methods can discard efficiently the redundant information from both the spectral and spatial dimensions. The experiment results demonstrated that the proposed methods have higher classification accuracy than other methods when applied to hyperspectral image classification.

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CHEN Hong-Da, PU Han-Ye, WANG Bin, ZHANG Li-Ming. Image Euclidean distance-based manifold dimensionality reduction algorithm for hyperspectral imagery[J]. Journal of Infrared and Millimeter Waves,2013,32(5):450~455

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History
  • Received:June 13,2012
  • Revised:September 21,2012
  • Adopted:October 08,2012
  • Online: November 12,2013
  • Published: