An optimized YOLO‐based object detection model for crop harvesting system

The adoption of automated crop harvesting system based on machine vision may improve productivity and optimize the operational cost. The scope of this study is to obtain visual information at the plantation which is crucial in developing an intelligent automated crop harvesting system. This paper ai...

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Vydané v:	IET image processing Ročník 15; číslo 9; s. 2112 - 2125
Hlavní autori:	Junos, Mohamad Haniff, Mohd Khairuddin, Anis Salwa, Thannirmalai, Subbiah, Dahari, Mahidzal
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Wiley 01.07.2021
Predmet:	Agriculture Computer vision and image processing techniques Information technology applications Optical, image and video signal processing Optimisation Optimisation techniques
ISSN:	1751-9659, 1751-9667
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Popis
Shrnutí:	The adoption of automated crop harvesting system based on machine vision may improve productivity and optimize the operational cost. The scope of this study is to obtain visual information at the plantation which is crucial in developing an intelligent automated crop harvesting system. This paper aims to develop an automatic detection system with high accuracy performance, low computational cost and lightweight model. Considering the advantages of YOLOv3 tiny, an optimized YOLOv3 tiny network namely YOLO‐P is proposed to detect and localize three objects at palm oil plantation which include fresh fruit bunch, grabber and palm tree under various environment conditions. The proposed YOLO‐P model incorporated lightweight backbone based on densely connected neural network, multi‐scale detection architecture and optimized anchor box size. The experimental results demonstrated that the proposed YOLO‐P model achieved good mean average precision and F1 score of 98.68% and 0.97 respectively. Besides, the proposed model performed faster training process and generated lightweight model of 76 MB. The proposed model was also tested to identify fresh fruit bunch of various maturities with accuracy of 98.91%. The comprehensive experimental results show that the proposed YOLO‐P model can effectively perform robust and accurate detection at the palm oil plantation.
ISSN:	1751-9659 1751-9667
DOI:	10.1049/ipr2.12181