Anomalies on geologic maps from multispectral and textural classification: The Bleida mining district (Morocco)
Identifieur interne : 000C42 ( Istex/Corpus ); précédent : 000C41; suivant : 000C43Anomalies on geologic maps from multispectral and textural classification: The Bleida mining district (Morocco)
Auteurs : Anas Emran ; Mustapha Hakdaoui ; Jean ChorowiczSource :
- 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.
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DOI: 10.1016/0034-4257(95)00191-3
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P. et M. Curie URA-CNRS, 1759 Case 129, 4 Place Jussieu, 75252 Paris Cedex, France.</ce:text></ce:correspondence></ce:author-group><ce:date-received day="22" month="2" year="1994"></ce:date-received><ce:date-revised day="31" month="7" year="1995"></ce:date-revised><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>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. 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