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Discriminative weighted band selection via one-class SVM for hyperspectral imagery

  • Yu Tang
  • , Enlong Fan
  • , Cheng Yan
  • , Xiao Bai
  • , Jun Zhou
  • Beihang University
  • Griffith University Queensland

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In the task of hyperspectral image classification, band selection is often adopted to select a subset of informative bands to reduce the computation and storage cost. We propose a supervised band selection method which allows calculation of a discriminative weight for each band. Specifically, we consider discriminative bands as those that contribute more positive scores to a one-class classifier than those for other classes during the training stage. Based on this observation, we learn discriminative a band weight vector for each class, then bands with larger discriminative weights can be selected. Our method can be efficiently solved in one-class SVM framework. Experimental results demonstrate the effectiveness of our method.

Original languageEnglish
Title of host publication2016 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2765-2768
Number of pages4
ISBN (Electronic)9781509033324
DOIs
StatePublished - 1 Nov 2016
Event36th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016 - Beijing, China
Duration: 10 Jul 201615 Jul 2016

Publication series

NameInternational Geoscience and Remote Sensing Symposium (IGARSS)
Volume2016-November

Conference

Conference36th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016
Country/TerritoryChina
CityBeijing
Period10/07/1615/07/16

Keywords

  • Band selection
  • hyperspectral imagery
  • image classification
  • one-class SVM
  • supervised learning

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