Goosegrass Detection in Strawberry and Tomato Using a Convolutional Neural Network.

Scientific Reports
Shaun M SharpeNathan S Boyd

Abstract

Goosegrass is a problematic weed species in Florida vegetable plasticulture production. To reduce costs associated with goosegrass control, a post-emergence precision applicator is under development for use atop the planting beds. To facilitate in situ goosegrass detection and spraying, tiny- You Only Look Once 3 (YOLOv3-tiny) was evaluated as a potential detector. Two annotation techniques were evaluated: (1) annotation of the entire plant (EP) and (2) annotation of partial sections of the leaf blade (LB). For goosegrass detection in strawberry, the F-score was 0.75 and 0.85 for the EP and LB derived networks, respectively. For goosegrass detection in tomato, the F-score was 0.56 and 0.65 for the EP and LB derived networks, respectively. The LB derived networks increased recall at the cost of precision, compared to the EP derived networks. The LB annotation method demonstrated superior results within the context of production and precision spraying, ensuring more targets were sprayed with some over-spraying on false targets. The developed network provides online, real-time, and in situ detection capability for weed management field applications such as precision spraying and autonomous scouts.

References

Dec 3, 2014·Neural Networks : the Official Journal of the International Neural Network Society·Jürgen Schmidhuber
Aug 17, 2016·Sensors·Inkyu SaChris McCool
Aug 10, 2018·Neural Networks : the Official Journal of the International Neural Network Society·Mateusz BudaMaciej A Mazurowski
Jan 24, 2019·Pest Management Science·Jialin YuNathan S Boyd
Feb 16, 2019·Scientific Reports·Alex OlsenRonald D White

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Citations

Jan 16, 2021·Scientific Reports·Mubashiru Olarewaju Lawal
Jun 3, 2021·Sensors·Lefteris BenosDionysis Bochtis

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Methods Mentioned

BETA
SGA
feature extraction

Software Mentioned

IrfanView
YOLOv3
Darknet
DeepWeeds
CropDeep
DetectNet
tiny

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