Advanced BLB disease assessment in paddy fields using multispectral UAV data and patch fragmentation metrics

This study introduces an innovative method for assessing bacterial leaf blight (BLB) in paddy fields using multispectral UAV (Unmanned Aerial Vehicle) data and patch fragmentation analysis. Unlike traditional pixel-based approaches, which often lack spatial context, our method treats pixels as objec...

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Main Authors: Arif K Wijayanto, Lilik B Prasetyo, Sahid Agustian Hudjimartsu, Gunardi Sigit, Chiharu Hongo
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:Smart Agricultural Technology
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Online Access:http://www.sciencedirect.com/science/article/pii/S2772375524003708
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author Arif K Wijayanto
Lilik B Prasetyo
Sahid Agustian Hudjimartsu
Gunardi Sigit
Chiharu Hongo
author_facet Arif K Wijayanto
Lilik B Prasetyo
Sahid Agustian Hudjimartsu
Gunardi Sigit
Chiharu Hongo
author_sort Arif K Wijayanto
collection DOAJ
description This study introduces an innovative method for assessing bacterial leaf blight (BLB) in paddy fields using multispectral UAV (Unmanned Aerial Vehicle) data and patch fragmentation analysis. Unlike traditional pixel-based approaches, which often lack spatial context, our method treats pixels as objects and evaluates their spatial relationships to determine BLB severity. Seven patch fragmentation metrics were derived from binarized vegetation indices to quantify BLB damage scores, carefully selected for their ability to describe the spatial arrangement and connectivity of potentially affected patches. This metric-driven approach captures the scale and intensity of BLB damage, facilitating precise assessment. The method demonstrated high accuracy, achieving an AUC of 0.938 with a 0.5-meter sampling window. This advancement enhances the precision of BLB damage assessment, particularly for applications such as crop insurance.
format Article
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issn 2772-3755
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publishDate 2025-03-01
publisher Elsevier
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series Smart Agricultural Technology
spelling doaj-art-e4dd39b94e7d491fbb0f318e239b980e2025-08-20T02:52:23ZengElsevierSmart Agricultural Technology2772-37552025-03-011010076610.1016/j.atech.2024.100766Advanced BLB disease assessment in paddy fields using multispectral UAV data and patch fragmentation metricsArif K Wijayanto0Lilik B Prasetyo1Sahid Agustian Hudjimartsu2Gunardi Sigit3Chiharu Hongo4Department of Forest Resource Conservation and Ecotourism, Faculty of Forestry and Environment, IPB University, Bogor 16680, Indonesia; Japan Society for Promotion of Science (JSPS) Ronpaku Fellow, Tokyo 102-0083, Japan; Environmental Research Center, IPB University, Bogor 16680, Indonesia; Corresponding author.Department of Forest Resource Conservation and Ecotourism, Faculty of Forestry and Environment, IPB University, Bogor 16680, IndonesiaStudy Program of Information Technology, Faculty of Science and Engineering, Ibn Khaldun University, Bogor 16129, Indonesia; Department Agriculture, Forestry, and Bioresources, Seoul National University, Seoul 08826, Republic of KoreaRegional Office of Food Crops Service West Java Province, Cianjur 43283, IndonesiaCenter for Environmental Remote Sensing (CEReS), Chiba University, Chiba 263-8522, JapanThis study introduces an innovative method for assessing bacterial leaf blight (BLB) in paddy fields using multispectral UAV (Unmanned Aerial Vehicle) data and patch fragmentation analysis. Unlike traditional pixel-based approaches, which often lack spatial context, our method treats pixels as objects and evaluates their spatial relationships to determine BLB severity. Seven patch fragmentation metrics were derived from binarized vegetation indices to quantify BLB damage scores, carefully selected for their ability to describe the spatial arrangement and connectivity of potentially affected patches. This metric-driven approach captures the scale and intensity of BLB damage, facilitating precise assessment. The method demonstrated high accuracy, achieving an AUC of 0.938 with a 0.5-meter sampling window. This advancement enhances the precision of BLB damage assessment, particularly for applications such as crop insurance.http://www.sciencedirect.com/science/article/pii/S2772375524003708Crop diseaseDroneFragmented patchesLandscapemetricsLandscape-scale analysisPest management
spellingShingle Arif K Wijayanto
Lilik B Prasetyo
Sahid Agustian Hudjimartsu
Gunardi Sigit
Chiharu Hongo
Advanced BLB disease assessment in paddy fields using multispectral UAV data and patch fragmentation metrics
Smart Agricultural Technology
Crop disease
Drone
Fragmented patches
Landscapemetrics
Landscape-scale analysis
Pest management
title Advanced BLB disease assessment in paddy fields using multispectral UAV data and patch fragmentation metrics
title_full Advanced BLB disease assessment in paddy fields using multispectral UAV data and patch fragmentation metrics
title_fullStr Advanced BLB disease assessment in paddy fields using multispectral UAV data and patch fragmentation metrics
title_full_unstemmed Advanced BLB disease assessment in paddy fields using multispectral UAV data and patch fragmentation metrics
title_short Advanced BLB disease assessment in paddy fields using multispectral UAV data and patch fragmentation metrics
title_sort advanced blb disease assessment in paddy fields using multispectral uav data and patch fragmentation metrics
topic Crop disease
Drone
Fragmented patches
Landscapemetrics
Landscape-scale analysis
Pest management
url http://www.sciencedirect.com/science/article/pii/S2772375524003708
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