Automatic landslide detection using Dempster–Shafer theory from LiDAR-derived data and orthophotos

A good landslide inventory map is a prerequisite for landslide hazard and risk analysis. In tropical countries, such as Malaysia, preparation of the landslide inventory is a challenging task because of the rapid growth of vegetation. Thus, it is crucial to use rapid and accurate technique and effect...

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Main Authors: Mezaal, Al-Karawi Mustafa Ridha, Pradhan, Biswajeet, Mohd Shafri, Helmi Zulhaidi, Md Yusoff, Zainuddin
Format: Article
Language:English
Published: Taylor & Francis 2017
Online Access:http://psasir.upm.edu.my/id/eprint/64637/
http://psasir.upm.edu.my/id/eprint/64637/1/Automatic%20landslide%20detection%20using%20Dempster%E2%80%93Shafer%20theory%20from%20LiDAR-derived%20data%20and%20orthophotos.pdf
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author Mezaal, Al-Karawi Mustafa Ridha
Pradhan, Biswajeet
Mohd Shafri, Helmi Zulhaidi
Md Yusoff, Zainuddin
author_facet Mezaal, Al-Karawi Mustafa Ridha
Pradhan, Biswajeet
Mohd Shafri, Helmi Zulhaidi
Md Yusoff, Zainuddin
author_sort Mezaal, Al-Karawi Mustafa Ridha
building UPM Institutional Repository
collection Online Access
description A good landslide inventory map is a prerequisite for landslide hazard and risk analysis. In tropical countries, such as Malaysia, preparation of the landslide inventory is a challenging task because of the rapid growth of vegetation. Thus, it is crucial to use rapid and accurate technique and effective parameters. For this purpose, Dempster Shafer theory (DST) was applied in fusing high resolution LiDAR derived data products and Greenness index derived from orthophoto imagery. Two sites were selected, for the implementation and evaluation of the DST model; site “A” for DST implementation and site “B” for the comparison. For model implementation, vegetation index, slope and height were used as effective parameters for identifying automatic landslide detection. Two type of DST based fusions were evaluated; (greenness and height) and (greenness and slope). Furthermore, validation techniques were used to validate the accuracy are confusion matrix and area under the curve. The overall accuracy of the first and second evaluated fusions were (73.4% and 84.33%), and area under the curve were (0.76 and 0.81) respectively. Additionally, the result was compared with Random Forest (RF) based detection approach. The results showed that DST does not require a priori knowledge.
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spelling upm-646372018-08-13T03:16:35Z http://psasir.upm.edu.my/id/eprint/64637/ Automatic landslide detection using Dempster–Shafer theory from LiDAR-derived data and orthophotos Mezaal, Al-Karawi Mustafa Ridha Pradhan, Biswajeet Mohd Shafri, Helmi Zulhaidi Md Yusoff, Zainuddin A good landslide inventory map is a prerequisite for landslide hazard and risk analysis. In tropical countries, such as Malaysia, preparation of the landslide inventory is a challenging task because of the rapid growth of vegetation. Thus, it is crucial to use rapid and accurate technique and effective parameters. For this purpose, Dempster Shafer theory (DST) was applied in fusing high resolution LiDAR derived data products and Greenness index derived from orthophoto imagery. Two sites were selected, for the implementation and evaluation of the DST model; site “A” for DST implementation and site “B” for the comparison. For model implementation, vegetation index, slope and height were used as effective parameters for identifying automatic landslide detection. Two type of DST based fusions were evaluated; (greenness and height) and (greenness and slope). Furthermore, validation techniques were used to validate the accuracy are confusion matrix and area under the curve. The overall accuracy of the first and second evaluated fusions were (73.4% and 84.33%), and area under the curve were (0.76 and 0.81) respectively. Additionally, the result was compared with Random Forest (RF) based detection approach. The results showed that DST does not require a priori knowledge. Taylor & Francis 2017 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/64637/1/Automatic%20landslide%20detection%20using%20Dempster%E2%80%93Shafer%20theory%20from%20LiDAR-derived%20data%20and%20orthophotos.pdf Mezaal, Al-Karawi Mustafa Ridha and Pradhan, Biswajeet and Mohd Shafri, Helmi Zulhaidi and Md Yusoff, Zainuddin (2017) Automatic landslide detection using Dempster–Shafer theory from LiDAR-derived data and orthophotos. Geomatics, Natural Hazards and Risk, 8 (2). pp. 1935-1954. ISSN 1947-5705; ESSN: 1947-5713 https://www.tandfonline.com/doi/abs/10.1080/19475705.2017.1401013 10.1080/19475705.2017.1401013
spellingShingle Mezaal, Al-Karawi Mustafa Ridha
Pradhan, Biswajeet
Mohd Shafri, Helmi Zulhaidi
Md Yusoff, Zainuddin
Automatic landslide detection using Dempster–Shafer theory from LiDAR-derived data and orthophotos
title Automatic landslide detection using Dempster–Shafer theory from LiDAR-derived data and orthophotos
title_full Automatic landslide detection using Dempster–Shafer theory from LiDAR-derived data and orthophotos
title_fullStr Automatic landslide detection using Dempster–Shafer theory from LiDAR-derived data and orthophotos
title_full_unstemmed Automatic landslide detection using Dempster–Shafer theory from LiDAR-derived data and orthophotos
title_short Automatic landslide detection using Dempster–Shafer theory from LiDAR-derived data and orthophotos
title_sort automatic landslide detection using dempster–shafer theory from lidar-derived data and orthophotos
url http://psasir.upm.edu.my/id/eprint/64637/
http://psasir.upm.edu.my/id/eprint/64637/
http://psasir.upm.edu.my/id/eprint/64637/
http://psasir.upm.edu.my/id/eprint/64637/1/Automatic%20landslide%20detection%20using%20Dempster%E2%80%93Shafer%20theory%20from%20LiDAR-derived%20data%20and%20orthophotos.pdf