Jasmeet Judge

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In this study, a novel machine learning algorithm is proposed to disaggregate coarse-scale remotely sensed observations to finer scales, using correlated auxiliary data at the fine scale. It includes a regularized Cauchy-Schwarz distance based clustering step that assigns soft memberships to each pixel at the fine-scale followed by a kernel regression that(More)
An novel algorithm is proposed to downscale microwave brightness temperatures (T B), at scales of 10-40 km such as those from the Soil Moisture Active Passive mission to a resolution meaningful for hydrological and agricultural applications. This algorithm, called Self-Regularized Regressive Models (SRRM), uses auxiliary variables correlated to T B(More)
—Microwave backscatter from vegetated surfaces is influenced by vegetation structure and vegetation water content (VWC), which varies with meteorological conditions and moisture in the root zone. Radar backscatter observations are used for many vegetation and soil moisture monitoring applications under the assumption that VWC is constant on short(More)
In this study, a novel machine learning algorithm is presented for disaggregation of satellite brightness T B observations from 36km to 9km. It uses a segmentation step that divides the study region into regions based on meteorological and land cover similarity, followed by a support vector machine based regression that computes the value of the(More)
A novel algorithm is developed to downscale soil moisture (SM), obtained at satellite scales of 10-40 km by utilizing its temporal correlations to historical auxiliary data at finer scales. Including such correlations drastically reduces the size of the training set needed, accounts for time-lagged relationships, and enables downscaling even in the presence(More)