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Statistical Integration of Radar and Optical Data for Geomorphological Feature Extraction

Mohammad maleki, Seyed Mohammad Tavakkoli Sabour, Mahdis Rahmati, Babak Arjomand Arjomand

Abstract


Optical images of OLI sensor and radar images of the sentinel-1 were used for extraction of geomorphologic features in this study. Sentinel-1 images were acquired from two different view directions. Additionally, the three seconds SRTM elevation data was used to correct the geometric and radiometric effects of terrains. Four features of valleys, blades, fans and debris were extracted by visual interpretation. World Imagery images were used as geometric reference. Statistical parameters such as completeness, correctness, quality, and kappa coefficient were calculated for each feature. Finally, the statistical results were integrated together to achieve the highest level of reliability. The results indicate that correctness and accuracy are increased, but the quality was greatly reduced.

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DOI: https://doi.org/10.37628/ijoippr.v3i1.210

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