Light-YOLO: A Lightweight and Efficient YOLO-Based Deep Learning Model for Mango Detection

Zhengyang Zhong, Lijun Yun (), Feiyan Cheng, Zaiqing Chen and Chunjie Zhang
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Zhengyang Zhong: College of Information, Yunnan Normal University, Kunming 650500, China
Lijun Yun: College of Information, Yunnan Normal University, Kunming 650500, China
Feiyan Cheng: College of Information, Yunnan Normal University, Kunming 650500, China
Zaiqing Chen: College of Information, Yunnan Normal University, Kunming 650500, China
Chunjie Zhang: College of Information, Yunnan Normal University, Kunming 650500, China

Agriculture, 2024, vol. 14, issue 1, 1-20

Abstract: This paper proposes a lightweight and efficient mango detection model named Light-YOLO based on the Darknet53 structure, aiming to rapidly and accurately detect mango fruits in natural environments, effectively mitigating instances of false or missed detection. We incorporate the bidirectional connection module and skip connection module into the Darknet53 structure and compressed the number of channels of the neck, which minimizes the number of parameters and FLOPs. Moreover, we integrate structural heavy parameter technology into C2f, redesign the Bottleneck based on the principles of the residual structure, and introduce an EMA attention mechanism to amplify the network’s emphasis on pivotal features. Lastly, the Downsampling Block within the backbone network is modified, transitioning it from the CBS Block to a Multi-branch–Large-Kernel Downsampling Block. This modification aims to enhance the network’s receptive field, thereby further improving its detection performance. Based on the experimental results, it achieves a noteworthy mAP of 64.0% and an impressive mAP0.5 of 96.1% on the ACFR Mango dataset with parameters and FLOPs at only 1.96 M and 3.65 G. In comparison to advanced target detection models like YOLOv5, YOLOv6, YOLOv7, and YOLOv8, it achieves improved detection outcomes while utilizing fewer parameters and FLOPs.

Keywords: mango; lightweight; Light-YOLO; computer vision; deep learning (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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