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Abstract
In the event of a massive earthquake, it is difficult to assess the situation in affected areas because access to these areas is usually blocked off. Tsunamis, in particular, create a large amount of debris and block many access paths. It is necessary to estimate the amount of disaster debris as early as possible in order to begin restoration in affected areas. This data helps to determine the required amount of temporary storage and arrange proper transportation. We propose a system that detects collapsed buildings after a disaster by using three aerial photographs. We verify the accuracy of the proposed method and discuss how detecting collapsed buildings aids in estimating total disaster debris.
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1 Hokkaido University, Sapporo, Japan; Sumitomo Electric Industries, Ltd, Osaka, Japan; The Public Interest Incorporated Foundation for International Peace, Tokyo, Japan Sendai Environmental Development, Inc., Sendai, Japan