Detection and analysis of collapsed buildings after the kumamoto earthquake by using alos2-palsar2 data
IGARSS 2023 - 2023 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM(2023)
Abstract
In this work, we analyze the collapsed buildings in Mashikimachi, Japan, after the Kumamoto Earthquake. First, we show the results of distinguishing built-up area from natural target area and qualitatively observing the damage. Second, we show a quantitative analysis on the damage level by employing the recently proposed seven scattering model decomposition. Finally, we discuss the possibility for combining the built-up area detection and damage level analysis by using quaternion neural networks.
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Key words
Polarimetric synthetic aperture radar,collapsed buildings,man-made target detection
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