A lightweight trichosanthes kirilowii maxim detection algorithm in complex mountain environments based on improved YOLOv7-tiny
Zhongjian Xie, Xinwei Chen, Weilin Wu, Yao Xiao, Yuanhang Li, Yaya Zhang, ZhuXuan Wan, Weiqi Chen

TL;DR
This paper introduces a lightweight detection algorithm for Trichosanthes kirilowii in complex mountain environments, improving accuracy and efficiency for automated harvesting.
Contribution
A novel lightweight detection algorithm, KPD-YOLOv7-GD, is proposed with improved accuracy and reduced computational complexity for plant detection in challenging environments.
Findings
The improved network achieved a mean average precision of 93.2%.
KPD-YOLOv7-GD outperformed other algorithms with precision improvements ranging from 0.2% to 4.8%.
The model demonstrated high compression rates, making it suitable for resource-constrained harvesting robots.
Abstract
Detecting Trichosanthes Kirilowii Maxim (Cucurbitaceae) in complex mountain environments is critical for developing automated harvesting systems. However, the environmental characteristics of brightness variation, inter-plant occlusion, and motion-induced blurring during harvesting operations, detection algorithms face excessive parameters and high computational intensity. Accordingly, this study proposes a lightweight T.Kirilowii detection algorithm for complex mountainous environments based on YOLOv7-tiny, named KPD-YOLOv7-GD. Firstly, improve the multi-scale feature layer and reduce the complexity of the model. Secondly, a lightweight convolutional module is introduced to replace the standard convolutions in the Efficient Long-range Aggregation Network (ELAN-A) module, and the channel pruning techniques are applied to further decrease the model’s complexity. Finally, the experiment…
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Taxonomy
TopicsSmart Agriculture and AI · Plant Virus Research Studies · Plant Pathogenic Bacteria Studies
