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During dealing with the SAR image, what is the relationship between dielectric constant and reflectivity for SAR? is there some equation to explain their relationship?
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Hi, researchers, When the volcano erupts, how to quickly measure the thickness of ash sediment by making an isopach map? Is any simple way to fast create the contour line of volcanic ash fall...
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In the artificial neural network BP method, how are large training samples usually selected? 80% of the total set, 50%, or 40% and how to choose? If choosing few, the results are not ideal. How to...
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If we interpret the landslide points based on aerial images, when we want to get landslide susceptibility mapping, in case we extract non-landslide as training samples, how could we extract...
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Use logistic regression to get the susceptibility mapping, when I use ROC, namely AUC, I want to know how to get true value and predict value? True value like 1 (landslides) and 0...
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