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author:

LeKhac, NhienAn (LeKhac, NhienAn.) [1] | Wu, Bo (Wu, Bo.) [2] | Chen, ChongCheng (Chen, ChongCheng.) [3] (Scholars:陈崇成) | Kechadi, M-Tahar (Kechadi, M-Tahar.) [4]

Indexed by:

CPCI-S

Abstract:

Remote sensing research focusing on feature selection has long attracted the attention of the remote sensing community because feature selection is a prerequisite for image processing and various applications. Different feature selection methods have been proposed to improve the classification accuracy. They vary from basic search techniques to clonal selections, and various optimal criteria have been investigated. Recently, methods using dependence-based measures have attracted much attention due to their ability to deal with very high dimensional datasets. However, these methods are based on Cramer's V test, which has performance issues with large datasets. In this paper, we propose a parallel approach to improve their performance. We evaluate our approach on hyper-spectral and high spatial resolution images and compare it to the proposed methods with a centralized version as preliminary results. The results are very promising.

Keyword:

Cramer's V Test feature selection image classification min-max association parallel algorithm

Community:

  • [ 1 ] [LeKhac, NhienAn]Univ Coll Dublin, Sch Comp Sci & Informat, Dublin 4, Ireland
  • [ 2 ] [Kechadi, M-Tahar]Univ Coll Dublin, Sch Comp Sci & Informat, Dublin 4, Ireland
  • [ 3 ] [Wu, Bo]Fuzhou Univ, Key Lab Spatial Data Mining & Informat Sharing, Fuzhou, Peoples R China
  • [ 4 ] [Chen, ChongCheng]Fuzhou Univ, Key Lab Spatial Data Mining & Informat Sharing, Fuzhou, Peoples R China

Reprint 's Address:

  • [LeKhac, NhienAn]Univ Coll Dublin, Sch Comp Sci & Informat, Dublin 4, Ireland

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Source :

COMPUTATIONAL SCIENCE AND ITS APPLICATIONS - ICCSA 2013, PT II

ISSN: 0302-9743

Year: 2013

Volume: 7972

Page: 623-634

Language: English

0 . 4 0 2

JCR@2005

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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