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ERS-2 SAR and IRS-1C LISS III data fusion: a PCA approach to improve remote sensing based geological interpretation / T.J. Majumdar in ISPRS Journal of photogrammetry and remote sensing, vol 61 n° 5 (January 2007)  

Public [article]  inISPRS Journal of photogrammetry and remote sensing > vol 61 n° 5 (January 2007) . - pp 281 - 297 Titre : ERS-2 SAR and IRS-1C LISS III data fusion: a PCA approach to improve remote sensing based geological interpretation Type de document : Article/Communication Auteurs : T.J. Majumdar, Auteur ; S.K. Pal, Auteur ; A.K. Bhattacharya, Auteur Année de publication : 2007 Article en page(s) : pp 281 - 297 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection [Termes IGN] analyse en composantes principales [Termes IGN] carte géologique [Termes IGN] détection de changement [Termes IGN] filtrage numérique d'image [Termes IGN] fusion d'images [Termes IGN] géologie locale [Termes IGN] image en couleur composée [Termes IGN] image ERS-SAR [Termes IGN] image IRS-LISS [Termes IGN] image optique [Termes IGN] image radar [Termes IGN] Inde [Termes IGN] interprétation automatique [Termes IGN] système d'information géographique [Termes IGN] transformation rapide de Fourier Résumé : (Auteur) Fusion of optical and synthetic aperture radar data has been attempted in the present study for mapping of various lithologic units over a part of the Singhbhum Shear Zone (SSZ) and its surroundings. ERS-2 SAR data over the study area has been enhanced using Fast Fourier Transformation (FFT) based filtering approach, and also using Frost filtering technique. Both the enhanced SAR imagery have been then separately fused with histogram equalized IRS-1C LISS III image using Principal Component Analysis (PCA) technique. Later, Feature-oriented Principal Components Selection (FPCS) technique has been applied to generate False Color Composite (FCC) images, from which corresponding geological maps have been prepared. Finally, GIS techniques have been successfully used for change detection analysis in the lithological interpretation between the published geological map and the fusion based geological maps. In general, there is good agreement between these maps over a large portion of the study area. Based on the change detection studies, few areas could be identified which need attention for further detailed ground-based geological studies. Copyright ISPRS Numéro de notice : A2007-020 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2006.10.001 En ligne : https://doi.org/10.1016/j.isprsjprs.2006.10.001 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28386 [article]

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