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RT-DETR-Tea: A Multi-Species Tea Bud Detection Model for Unstructured Environments

文献类型： 外文期刊

作者： Chen, Yiyong 1 ; Guo, Yang 3 ; Li, Jianlong 1 ; Zhou, Bo 1 ; Chen, Jiaming 4 ; Zhang, Man 1 ; Cui, Yingying 1 ; Tang, Jinchi 1 ;

作者机构： 1.Guangdong Acad Agr Sci, Tea Res Inst, Dafeng Rd 6, Guangzhou 510640, Peoples R China

2.Guangdong Prov Key Lab Tea Plant Resources Innovat, Dafeng Rd 6,Tianhe Dist, Guangzhou 510640, Peoples R China

3.South China Agr Univ, Coll Elect Engn, Guangzhou 510642, Peoples R China

4.Chinese Acad Sci, Key Lab South China Agr Plant Mol Anal & Genet Imp, Xingke Rd 723, Tianhe Dist, Guangzhou 510650, Peoples R China

5.Chinese Acad Sci, Guangdong Prov Key Lab Appl Bot, South China Bot Garden, Xingke Rd 723,Tianhe Dist, Guangzhou 510650, Peoples R China

关键词： multi-variety tea buds; deep learning; real-time detection Transformer (RT-DETR); object recognition; feature fusion

期刊名称：AGRICULTURE-BASEL （ 影响因子：3.6； 五年影响因子：3.8 ）

ISSN：

年卷期： 2024 年 14 卷 12 期

页码：

收录情况： SCI

摘要： Accurate bud detection is a prerequisite for automatic tea picking and yield statistics; however, current research suffers from missed detection due to the variety of singleness and false detection under complex backgrounds. Traditional target detection models are mainly based on CNN, but CNN can only achieve the extraction of local feature information, which is a lack of advantages for the accurate identification of targets in complex environments, and Transformer can be a good solution to the problem. Therefore, based on a multi-variety tea bud dataset, this study proposes RT-DETR-Tea, an improved object detection model under the real-time detection Transformer (RT-DETR) framework. This model uses cascaded group attention to replace the multi-head self-attention (MHSA) mechanism in the attention-based intra-scale feature interaction (AIFI) module, effectively optimizing deep features and enriching the semantic information of features. The original cross-scale feature-fusion module (CCFM) mechanism is improved to establish the gather-and-distribute-Tea (GD-Tea) mechanism for multi-level feature fusion, which can effectively fuse low-level and high-level semantic information and large and small tea bud features in natural environments. The submodule of DilatedReparamBlock in UniRepLKNet was employed to improve RepC3 to achieve an efficient fusion of tea bud feature information and ensure the accuracy of the detection head. Ablation experiments show that the precision and mean average precision of the proposed RT-DETR-Tea model are 96.1% and 79.7%, respectively, which are increased by 5.2% and 2.4% compared to those of the original model, indicating the model's effectiveness. The model also shows good detection performance on the newly constructed tea bud dataset. Compared with other detection algorithms, the improved RT-DETR-Tea model demonstrates superior tea bud detection performance, providing effective technical support for smart tea garden management and production.

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