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• W4313408643 abstract "The improvement in computer vision, sensor quality, and remote sensing data availability makes satellite imagery increasingly useful for studying human settlements. Several challenges remain to be overcome for some types of settlements, particularly for internally displaced populations (IDPs) and refugee camps. Refugee-dwelling footprints and detailed information derived from satellite imagery are critical for a variety of applications, including humanitarian aid during disasters or conflicts. Nevertheless, extracting dwellings remains difficult due to their differing sizes, shapes, and location variations. In this study, we use U-Net and residual U-Net to deal with dwelling classification in a refugee camp in northern Cameroon, Africa. Specifically, two semantic segmentation networks are adapted and applied. A limited number of randomly divided sample patches is used to train and test the networks based on a single image of the WorldView-3 satellite. Our accuracy assessment was conducted using four different dwelling categories for classification purposes, using metrics such as Precision, Recall, F1, and Kappa coefficient. As a result, F1 ranges from 81% to over 99% and approximately 88.1% to 99.5% based on the U-Net and the residual U-Net, respectively." @default.
• W4313408643 created "2023-01-06" @default.
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• W4313408643 date "2022-12-16" @default.
• W4313408643 modified "2023-09-25" @default.
• W4313408643 title "Mapping Dwellings in IDP/Refugee Settlements Using Deep Learning" @default.
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• W4313408643 doi "https://doi.org/10.3390/rs14246382" @default.
• W4313408643 hasPublicationYear "2022" @default.
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