Tarik Bouramtane
ABSTRACT
In order to automate operations often carried out manually by geologists, we have developed under Matlab environment an algorithm taking advantage of a rich already developed libraries. The proposed automatic detection of lineaments approach is based on the method of Hough transform. This algorithm allows the detection of linear features in satellite optical and/or Synthetic Aperture Radar (SAR) images using a set of mathematic calculations. Prior to applying the algorithm on satellite remote sensing data, it was first tested on well-structured objects in an aerial photo of a city. We presented our results of Obtained by the algorithm on a set of satellite images from two satellites, the Landsat 8 and the SAR Sentinel-1A, acquired over our study area, Reg basin, located in the eastern Anti-Atlas, Morocco. The results are compared with those of visual interpretation based on a spatial filtering and tectonic in-situ data collected in the field. The results analysis showed that most extracted lineaments using our algorithm are similar to those of spatial filtering and confirmed by the in-situ data. We concluded that the proposed approach can be used to automatically extract geological lineament with an acceptable accuracy.
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Index Terms
- Automatic Detection and Evaluation of Geological linear Features from Remote Sensing Data Using the Hough Transform Algorithm in Eastern Anti-Atlas (Morocco)
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