2022
DOI: 10.1109/jstars.2022.3176388
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Flood Monitoring by Integrating Normalized Difference Flood Index and Probability Distribution of Water Bodies

Abstract: Climate change has caused an increase in the frequency of flood events. Rapid and accurate flood mapping is essential for disaster monitoring and risk assessment. The normalized difference flood index (NDFI) is a change detection method with the characteristics of efficient processing and less manual intervention, which can quickly obtain flood information. However, the NDFI method would misclassify some permanent water bodies in lakes and rivers into floods. We presented a framework by combining NDFI calculat… Show more

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Cited by 10 publications
(5 citation statements)
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References 51 publications
(54 reference statements)
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“…Tariq et al [13] contributed to the field with a study on flash flood susceptibility assessment and zonation, integrating the analytic hierarchy process and frequency ratio model with diverse spatial data. Xue et al [14] proposed flood monitoring through the integration of the flood indexes and probability distributions of water bodies. Phy et al [15] provided a comprehensive review of flood-hazard and -management activities in Cambodia, identifying knowledge gaps and suggesting research directions.…”
Section: State Of the Artmentioning
confidence: 99%
“…Tariq et al [13] contributed to the field with a study on flash flood susceptibility assessment and zonation, integrating the analytic hierarchy process and frequency ratio model with diverse spatial data. Xue et al [14] proposed flood monitoring through the integration of the flood indexes and probability distributions of water bodies. Phy et al [15] provided a comprehensive review of flood-hazard and -management activities in Cambodia, identifying knowledge gaps and suggesting research directions.…”
Section: State Of the Artmentioning
confidence: 99%
“…The covariance between the features and the class, cov(x, y), is computed using formula (3), where E(xy) represents the expected value of the product of x and y, and E(x) and E(y) denote the expected values of x and y, respectively.…”
Section: Data Dimension Reductionmentioning
confidence: 99%
“…Flooding has been a devastating aspect of human civilization for many centuries, as it affects the lives and livelihoods of millions [1,2]. Therefore, effective flood early warning systems are essential to reduce the losses from floods [3,4]. Monitoring floods enable authorities to make better decisions to reduce the impact of floods.…”
Section: Introductionmentioning
confidence: 99%
“…Xue et al proposed the Sentinel image's normalized difference flood index (NDFI) with the summer permanent water bodies (SPWB) based NDFI-SPWB framework [33]. This framework aims to interpret the flood maps visually and decide the misclassification and omissions.…”
Section: Flood Monitoring Using Sentinel Satellite Imagesmentioning
confidence: 99%