Dynamic weed control using selective laser application with object tracking and target scheduling

Selective laser application for weed control is emerging as one of the most sustainable practices for various crops. The system targets weeds using a laser beam with specific time and intensity settings to eliminate undesired plants through thermal damage. However, this process — commonly known as s...

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Autores: Vargas Fernández, Juan Ignacio; Wane, Sam; Arévalo Ramírez, Tito; Auat Cheein, Fernando
Tipo de documento: Artículo
Estado:Published version
Fecha de publicación:2025
País:Chile
Institución:Pontificia Universidad Católica de Chile
Repositorio:Pontificia Universidad Católica de Chile
OAI Identifier:oai:repositorio.uc.cl:11534/105859
Acceso en línea:https://doi.org/10.1016/j.compag.2025.111004
https://repositorio.uc.cl/handle/11534/105859
Nivel de acceso:Acceso abierto
Palabra clave:Weed detection
Machine learning
Hyperweed selection
Laser
550
Ciencias de la tierra
15 Life on land
15 Vida de ecosistemas terrestres
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author Vargas Fernández, Juan Ignacio
author2 Wane, Sam
Arévalo Ramírez, Tito
Auat Cheein, Fernando
author2_role author
author
author
author_browse Arévalo Ramírez, Tito
Auat Cheein, Fernando
Vargas Fernández, Juan Ignacio
Wane, Sam
author_facet Vargas Fernández, Juan Ignacio
Wane, Sam
Arévalo Ramírez, Tito
Auat Cheein, Fernando
author_role author
bitstream_url_str_mv https://repositorio.uc.cl/dspace/bitstreams/43a98625-59e1-463e-bcdd-b57667a62a07/download
collection Pontificia Universidad Católica de Chile
description Selective laser application for weed control is emerging as one of the most sustainable practices for various crops. The system targets weeds using a laser beam with specific time and intensity settings to eliminate undesired plants through thermal damage. However, this process — commonly known as static weed laser treatment — reduces machinery efficiency, as the platform must remain stationary until all visible weeds are treated. To address this limitation, the current work proposes a dynamic laser weeding approach that predicts weed positions while the platform is in motion, thereby improving operational efficiency. Several deep learning architectures (e.g., YOLO series for weed detection and DeepSORT for weed tracking) are evaluated to identify the most effective models for detecting and tracking multiple weeds in RGB images. In addition, a time-constrained scheduling strategy is implemented to determine the order in which weeds are treated, minimizing the number of missed targets. We find that receding horizon control offers the best performance, particularly under strict time and energy constraints. Field deployment results show that YOLOv7 achieves the highest precision, recall, and mean Average Precision (mAP) for weed detection. The dynamic laser weeding system significantly outperforms the static counterpart, enabling up to 2.8 times faster movement while successfully treating 90% of detected weeds. This work presents a proof of concept for dynamic weeding, laying the foundation for future developments in intelligent, autonomous crop protection systems.
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identifier_str_mv 10.1016/j.compag.2025.111004
institution Pontificia Universidad Católica de Chile
instname_str Pontificia Universidad Católica de Chile
network_acronym_str CL
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oai_identifier_str oai:repositorio.uc.cl:11534/105859
publishDate 2025
publishDateSort 2025
reponame_str Pontificia Universidad Católica de Chile
spelling Dynamic weed control using selective laser application with object tracking and target scheduling Vargas Fernández, Juan Ignacio Wane, Sam Arévalo Ramírez, Tito Auat Cheein, Fernando Weed detection Machine learning Hyperweed selection Laser 550 Ciencias de la tierra 15 Life on land 15 Vida de ecosistemas terrestres Selective laser application for weed control is emerging as one of the most sustainable practices for various crops. The system targets weeds using a laser beam with specific time and intensity settings to eliminate undesired plants through thermal damage. However, this process — commonly known as static weed laser treatment — reduces machinery efficiency, as the platform must remain stationary until all visible weeds are treated. To address this limitation, the current work proposes a dynamic laser weeding approach that predicts weed positions while the platform is in motion, thereby improving operational efficiency. Several deep learning architectures (e.g., YOLO series for weed detection and DeepSORT for weed tracking) are evaluated to identify the most effective models for detecting and tracking multiple weeds in RGB images. In addition, a time-constrained scheduling strategy is implemented to determine the order in which weeds are treated, minimizing the number of missed targets. We find that receding horizon control offers the best performance, particularly under strict time and energy constraints. Field deployment results show that YOLOv7 achieves the highest precision, recall, and mean Average Precision (mAP) for weed detection. The dynamic laser weeding system significantly outperforms the static counterpart, enabling up to 2.8 times faster movement while successfully treating 90% of detected weeds. This work presents a proof of concept for dynamic weeding, laying the foundation for future developments in intelligent, autonomous crop protection systems. 10.1016/j.compag.2025.111004 0168-1699 https://doi.org/10.1016/j.compag.2025.111004 https://repositorio.uc.cl/handle/11534/105859
spellingShingle Dynamic weed control using selective laser application with object tracking and target scheduling
Vargas Fernández, Juan Ignacio
Weed detection
Machine learning
Hyperweed selection
Laser
550
Ciencias de la tierra
15 Life on land
15 Vida de ecosistemas terrestres
status_str publishedVersion
title Dynamic weed control using selective laser application with object tracking and target scheduling
title_full Dynamic weed control using selective laser application with object tracking and target scheduling
title_fullStr Dynamic weed control using selective laser application with object tracking and target scheduling
title_full_unstemmed Dynamic weed control using selective laser application with object tracking and target scheduling
title_short Dynamic weed control using selective laser application with object tracking and target scheduling
title_sort Dynamic weed control using selective laser application with object tracking and target scheduling
topic Weed detection
Machine learning
Hyperweed selection
Laser
550
Ciencias de la tierra
15 Life on land
15 Vida de ecosistemas terrestres
topic_facet Weed detection
Machine learning
Hyperweed selection
Laser
550
Ciencias de la tierra
15 Life on land
15 Vida de ecosistemas terrestres
url https://doi.org/10.1016/j.compag.2025.111004
https://repositorio.uc.cl/handle/11534/105859