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Precision agricultural robotic sprayer with real-time Tobacco recognition and spraying system based on deep learning

Nasir, Fazal E.; Tufail, Muhammad; Haris, Muhammad; Iqbal, Jamshed; Khan, Said; Khan, Muhammad Tahir

Authors

Fazal E. Nasir

Muhammad Tufail

Muhammad Haris

Said Khan

Muhammad Tahir Khan



Abstract

Precision agricultural techniques try to prevent either an excessive or inadequate application of agrochemicals during pesticide application. In recent years, it has become popular to combine traditional agricultural practices with artificial intelligence algorithms. This research presents a case study of variable-rate targeted spraying using deep learning for tobacco plant recognition and identification in a real tobacco field. An extensive comparison of the detection performance of six YOLO-based models for the tobacco crop has been performed based on experimentation in tobacco fields. An F1-score of 87.2% and a frame per second rate of 67 were achieved using the YOLOv5n model trained on actual field data. Additionally, a novel disturbance-based pressure and flow control method has been introduced to address the issue of unwanted pressure fluctuations that are typically associated with bangbang control. The quality of spray achieved by attenuation of these disturbances has been evaluated both qualitatively and quantitatively using three different spraying case studies: broadcast, and selective spraying at 20 psi pressure; and variable-rate spraying at pressure varying from 15-120 psi. As compared to the broadcast spraying, the selective and variable rate spray methods have achieved up to 60% reduction of agrochemicals.

Citation

Nasir, F. E., Tufail, M., Haris, M., Iqbal, J., Khan, S., & Khan, M. T. (2023). Precision agricultural robotic sprayer with real-time Tobacco recognition and spraying system based on deep learning. PLoS ONE, 18(3 MARCH), Article e0283801. https://doi.org/10.1371/journal.pone.0283801

Journal Article Type Article
Acceptance Date Mar 17, 2023
Online Publication Date Mar 31, 2023
Publication Date 2023-03
Deposit Date Apr 15, 2023
Publicly Available Date Mar 29, 2024
Journal PLoS ONE
Print ISSN 1932-6203
Electronic ISSN 1932-6203
Publisher Public Library of Science
Peer Reviewed Peer Reviewed
Volume 18
Issue 3 MARCH
Article Number e0283801
DOI https://doi.org/10.1371/journal.pone.0283801
Public URL https://hull-repository.worktribe.com/output/4260956

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0

Copyright Statement
Copyright: © 2023 Nasir et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.




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