In this paper, we present a novel approach for detecting the changed regions caused by flooding events in multi-temporal
SAR images. And the proposed method concludes two parts: 1) constructing difference image (DI) by fusion strategy
proposed in this paper; 2) producing change-detection map based on FCM and fuzzy degree of nearness. Experimental
comparisons on real multi-temporal SAR images indicate that the proposed method can reduce the affection by speckle
noise. Meanwhile, the proposed method can accurately detect the interested changed regions.
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