Comparing Fuzzy Sets and Random Sets to Model the Uncertainty of Fuzzy Shorelines

This paper addresses uncertainty modelling of shorelines by comparing fuzzy sets and random sets. Both methods quantify extensional uncertainty of shorelines extracted from remote sensing images. Two datasets were tested: pan-sharpened Pleiades with four bands (Pleiades) and pan-sharpened Pleiades s...

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Tác giả chính: Dewi, R.S.
Định dạng: BB
Ngôn ngữ:eng
Thông tin xuất bản: 2020
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Truy cập trực tuyến:http://tailieuso.tlu.edu.vn/handle/DHTL/4547
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spelling oai:localhost:DHTL-45472020-03-30T02:14:13Z Comparing Fuzzy Sets and Random Sets to Model the Uncertainty of Fuzzy Shorelines Dewi, R.S. Uncertainty Shorelines Probability Possibility Random sets Fuzzy sets This paper addresses uncertainty modelling of shorelines by comparing fuzzy sets and random sets. Both methods quantify extensional uncertainty of shorelines extracted from remote sensing images. Two datasets were tested: pan-sharpened Pleiades with four bands (Pleiades) and pan-sharpened Pleiades stacked with elevation data as the fifth band (Pleiades + DTM). Both fuzzy sets and random sets model the spatial extent of shoreline including its uncertainty. Fuzzy sets represent shorelines as a margin determined by upper and lower thresholds and their uncertainty as confusion indices. They do not consider randomness. Random sets fit the mixed Gaussian model to the image histogram. It represents shorelines as a transition zone between water and non-water. Their extensional uncertainty is assessed by the covering function. The results show that fuzzy sets and random sets resulted in shorelines that were closely similar. Kappa (κ) values were slightly different and McNemar’s test showed high p-values indicating a similar accuracy. Inclusion of the DTM (digital terrain model) improved the classification results, especially for roofs, inundated houses and inundated land. The shoreline model using Pleiades + DTM performed better than that of using Pleiades only, when using either fuzzy sets or random sets. It achieved κ values above 80%. https://www.mdpi.com/2072-4292/9/9/885/htm 2020-02-18T02:25:47Z 2020-02-18T02:25:47Z 2017 20191023102838.0 130605s2017 BB Remote sensing9 (2017)9, article no. 885, 20 p. http://tailieuso.tlu.edu.vn/handle/DHTL/4547 eng
institution Trường Đại học Thủy Lợi
collection DSpace
language eng
topic Uncertainty
Shorelines
Probability
Possibility
Random sets
Fuzzy sets
spellingShingle Uncertainty
Shorelines
Probability
Possibility
Random sets
Fuzzy sets
Dewi, R.S.
Comparing Fuzzy Sets and Random Sets to Model the Uncertainty of Fuzzy Shorelines
description This paper addresses uncertainty modelling of shorelines by comparing fuzzy sets and random sets. Both methods quantify extensional uncertainty of shorelines extracted from remote sensing images. Two datasets were tested: pan-sharpened Pleiades with four bands (Pleiades) and pan-sharpened Pleiades stacked with elevation data as the fifth band (Pleiades + DTM). Both fuzzy sets and random sets model the spatial extent of shoreline including its uncertainty. Fuzzy sets represent shorelines as a margin determined by upper and lower thresholds and their uncertainty as confusion indices. They do not consider randomness. Random sets fit the mixed Gaussian model to the image histogram. It represents shorelines as a transition zone between water and non-water. Their extensional uncertainty is assessed by the covering function. The results show that fuzzy sets and random sets resulted in shorelines that were closely similar. Kappa (κ) values were slightly different and McNemar’s test showed high p-values indicating a similar accuracy. Inclusion of the DTM (digital terrain model) improved the classification results, especially for roofs, inundated houses and inundated land. The shoreline model using Pleiades + DTM performed better than that of using Pleiades only, when using either fuzzy sets or random sets. It achieved κ values above 80%.
format BB
author Dewi, R.S.
author_facet Dewi, R.S.
author_sort Dewi, R.S.
title Comparing Fuzzy Sets and Random Sets to Model the Uncertainty of Fuzzy Shorelines
title_short Comparing Fuzzy Sets and Random Sets to Model the Uncertainty of Fuzzy Shorelines
title_full Comparing Fuzzy Sets and Random Sets to Model the Uncertainty of Fuzzy Shorelines
title_fullStr Comparing Fuzzy Sets and Random Sets to Model the Uncertainty of Fuzzy Shorelines
title_full_unstemmed Comparing Fuzzy Sets and Random Sets to Model the Uncertainty of Fuzzy Shorelines
title_sort comparing fuzzy sets and random sets to model the uncertainty of fuzzy shorelines
publishDate 2020
url http://tailieuso.tlu.edu.vn/handle/DHTL/4547
work_keys_str_mv AT dewirs comparingfuzzysetsandrandomsetstomodeltheuncertaintyoffuzzyshorelines
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