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• W4207075791 startingPage "104721" @default.
• W4207075791 abstract "Traditional landform modeling approaches are labor-intensive and time-consuming. We proposed and developed a semi-automated object-based image analysis (OBIA) rule set approach for desert landforms detection and mapping. Sentinel-2 image and digital elevation model (DEM) were acquired for the study area. The multi-resolution segmentation algorithm was employed on the datasets to select relevant features to define appropriate segmentation scales for all landform categories. Object-based rule sets were then employed using spatial (DEM and its derivatives, e.g., slope, aspect, and hillshade) and spectral information for semi-automated classification of the desert landforms. Desert landforms are detected and classified into four classes: saline dome, barchan, playa, and dune. The Fuzzy Synthetic Evaluation (FSE) technique was applied in concert with the error matrix to validate the accuracy of the classification results based on field data, Google Earth, and geological maps. Our findings demonstrated the highest confidence of overall accuracy (OA) 96.21%, 92.58%, 95.99%, and 95.05% respectively, for the saline dome, barchan, playa, and dune. Results showed the strong potential of the rule-based OBIA remote sensing approach for desert landform detection and delineation. Results further demonstrated the efficiency of spatial and spectral features for desert landforms detection and delineation." @default.
• W4207075791 created "2022-01-26" @default.
• W4207075791 creator A5003656810 @default.
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• W4207075791 creator A5049774137 @default.
• W4207075791 creator A5069872862 @default.
• W4207075791 date "2022-04-01" @default.
• W4207075791 modified "2023-09-30" @default.
• W4207075791 title "Desert landform detection and mapping using a semi-automated object-based image analysis approach" @default.
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