Digital change detection with the aid of multiresolution wavelet analysis

L. M.T. Carvalho, L. M.G. Fonseca, F. Murtagh, J. G.P.W. Clevers

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

This Letter presents the preliminary findings of a new approach to deal with misregistration effects on change detection results. A multiresolution analysis with wavelet transforms applied to image differencing results enabled the extraction of changed sites according to size classes. Changes of interest were pinpointed successfully without the necessity of accurate spatial registration or radiometric rectification while differences not related to land cover changes were bypassed. The method's applicability is demonstrated with a multitemporal data set of Landsat MSS and TM images for the detection of deforestation and new areas of rock exploitation in south-eastern Brazil.

Original languageEnglish
Pages (from-to)3871-3876
Number of pages6
JournalInternational Journal of Remote Sensing
Volume22
Issue number18
DOIs
Publication statusPublished - 15 Dec 2001
Externally publishedYes

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wavelet analysis
Landsat multispectral scanner
Landsat thematic mapper
wavelet
deforestation
land cover
transform
rock
detection
effect
method
registration
analysis

Cite this

Carvalho, L. M.T. ; Fonseca, L. M.G. ; Murtagh, F. ; Clevers, J. G.P.W. / Digital change detection with the aid of multiresolution wavelet analysis. In: International Journal of Remote Sensing. 2001 ; Vol. 22, No. 18. pp. 3871-3876.
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Digital change detection with the aid of multiresolution wavelet analysis. / Carvalho, L. M.T.; Fonseca, L. M.G.; Murtagh, F.; Clevers, J. G.P.W.

In: International Journal of Remote Sensing, Vol. 22, No. 18, 15.12.2001, p. 3871-3876.

Research output: Contribution to journalArticle

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