Advanced Fully Convolutional Networks for Agricultural Field Boundary Detection

Accurate spatial information of agricultural fields is important for providing actionable information to farmers, managers, and policymakers. On the other hand, the automated detection of field boundaries is a challenging task due to their small size, irregular shape and the use of mixed-cropping sy...

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Main Authors: Alireza Taravat, Matthias P. Wagner, Rogerio Bonifacio, David Petit
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Remote Sensing
Subjects:
Online Access:https://www.mdpi.com/2072-4292/13/4/722
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author Alireza Taravat
Matthias P. Wagner
Rogerio Bonifacio
David Petit
author_facet Alireza Taravat
Matthias P. Wagner
Rogerio Bonifacio
David Petit
author_sort Alireza Taravat
collection DOAJ
description Accurate spatial information of agricultural fields is important for providing actionable information to farmers, managers, and policymakers. On the other hand, the automated detection of field boundaries is a challenging task due to their small size, irregular shape and the use of mixed-cropping systems making field boundaries vaguely defined. In this paper, we propose a strategy for field boundary detection based on the fully convolutional network architecture called ResU-Net. The benefits of this model are two-fold: first, residual units ease training of deep networks. Second, rich skip connections within the network could facilitate information propagation, allowing us to design networks with fewer parameters but better performance in comparison with the traditional U-Net model. An extensive experimental analysis is performed over the whole of Denmark using Sentinel-2 images and comparing several U-Net and ResU-Net field boundary detection algorithms. The presented results show that the ResU-Net model has a better performance with an average F<sub>1</sub> score of 0.90 and average Jaccard coefficient of 0.80 in comparison to the U-Net model with an average F<sub>1</sub> score of 0.88 and an average Jaccard coefficient of 0.77.
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spelling doaj.art-6aca3217d22841078e0546f5326b7c922023-12-11T17:17:40ZengMDPI AGRemote Sensing2072-42922021-02-0113472210.3390/rs13040722Advanced Fully Convolutional Networks for Agricultural Field Boundary DetectionAlireza Taravat0Matthias P. Wagner1Rogerio Bonifacio2David Petit3Deimos Space, Oxford OX11 0QR, UKPanopterra, 64293 Darmstadt, GermanyUnited Nations World Food Programme UN-WFP, 00148 Rome, ItalyDeimos Space, Oxford OX11 0QR, UKAccurate spatial information of agricultural fields is important for providing actionable information to farmers, managers, and policymakers. On the other hand, the automated detection of field boundaries is a challenging task due to their small size, irregular shape and the use of mixed-cropping systems making field boundaries vaguely defined. In this paper, we propose a strategy for field boundary detection based on the fully convolutional network architecture called ResU-Net. The benefits of this model are two-fold: first, residual units ease training of deep networks. Second, rich skip connections within the network could facilitate information propagation, allowing us to design networks with fewer parameters but better performance in comparison with the traditional U-Net model. An extensive experimental analysis is performed over the whole of Denmark using Sentinel-2 images and comparing several U-Net and ResU-Net field boundary detection algorithms. The presented results show that the ResU-Net model has a better performance with an average F<sub>1</sub> score of 0.90 and average Jaccard coefficient of 0.80 in comparison to the U-Net model with an average F<sub>1</sub> score of 0.88 and an average Jaccard coefficient of 0.77.https://www.mdpi.com/2072-4292/13/4/722deep learningfully convolutional neural networksimage segmentationfield boundary detectioncropland monitoringU-Net
spellingShingle Alireza Taravat
Matthias P. Wagner
Rogerio Bonifacio
David Petit
Advanced Fully Convolutional Networks for Agricultural Field Boundary Detection
Remote Sensing
deep learning
fully convolutional neural networks
image segmentation
field boundary detection
cropland monitoring
U-Net
title Advanced Fully Convolutional Networks for Agricultural Field Boundary Detection
title_full Advanced Fully Convolutional Networks for Agricultural Field Boundary Detection
title_fullStr Advanced Fully Convolutional Networks for Agricultural Field Boundary Detection
title_full_unstemmed Advanced Fully Convolutional Networks for Agricultural Field Boundary Detection
title_short Advanced Fully Convolutional Networks for Agricultural Field Boundary Detection
title_sort advanced fully convolutional networks for agricultural field boundary detection
topic deep learning
fully convolutional neural networks
image segmentation
field boundary detection
cropland monitoring
U-Net
url https://www.mdpi.com/2072-4292/13/4/722
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