Anomalies on geologic maps from multispectral and textural classification: The Bleida mining district (Morocco)
Identifieur interne : 000391 ( France/Analysis ); précédent : 000390; suivant : 000392Anomalies on geologic maps from multispectral and textural classification: The Bleida mining district (Morocco)
Auteurs : Anas Emran [Maroc] ; Mustapha Hakdaoui [Maroc] ; Jean Chorowicz [France]Source :
- Remote Sensing of Environment [ 0034-4257 ] ; 1996.
Abstract
The variogram analysis of different reference image facies on a SPOT-XS scene enables the definition of a discriminant texture index. The values of this index are extracted locally in a given neighborhood. This textural information is matched with the multispectral information in order to realize a combined classification. The result is subsequently compared to a digitized geological map, in order to extract zones of anomaly, regarded as the differences between the combined classification and the geological map. A majority of the anomalies require further interpretation, while certain others are interesting to mineral prospecting.
Url:
DOI: 10.1016/0034-4257(95)00191-3
Affiliations:
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ISTEX:CB607956E6DA5E74D7597F78ECC192A4169B0E60Le document en format XML
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The values of this index are extracted locally in a given neighborhood. This textural information is matched with the multispectral information in order to realize a combined classification. The result is subsequently compared to a digitized geological map, in order to extract zones of anomaly, regarded as the differences between the combined classification and the geological map. 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