Unsupervised SAR change detection based on a new statistical model

Y. C. Liu, G. X. Wang, P. Li, X. P. Yan

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

1 Citation (Scopus)

Abstract

In this paper, with the help of a new statistical model, the problem of detecting the changes that occurred on the ground by analyzing SAR imagery is addressed by a completely unsupervised approach. In the proposal change detection approach, a difference image of two multitemporal SAR images is firstly produced by the generalized likelihood ratio operator. After that, a new statistical model is particularly developed to model the distribution of generalized likelihood ratio test. At last, With the help of the new statistical model, an automatic thresholding procedure is performed on the difference image to detect changes. Experimental results obtained on real SAR images acquired by the CARABAS-II confirm the effectiveness of the change detection approach.

Original languageEnglish
Title of host publicationIET Conference Publications
PublisherInstitution of Engineering and Technology
EditionCP677
ISBN (Print)9781785610387
DOIs
Publication statusPublished - 2015
EventIET International Radar Conference 2015 - Hangzhou, China
Duration: 14 Oct 201516 Oct 2015

Publication series

NameIET Conference Publications
NumberCP677
Volume2015

Conference

ConferenceIET International Radar Conference 2015
Country/TerritoryChina
CityHangzhou
Period14/10/1516/10/15

Keywords

  • Change detection
  • Statistical model
  • Synthetic aperture radar (SAR)

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