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IRB-5-CA Net: A Lightweight, Deep Learning-Based Approach to Wheat Seed Identification

文献类型： 外文期刊

作者： Feng, Yongqiang 1 ; Liu, Chengzhong 1 ; Han, Junying 1 ; Lu, Qinglin 2 ; Xing, Xue 1 ;

作者机构： 1.Gansu Agr Univ, Coll Informat Sci & Technol, Lanzhou 730070, Peoples R China

2.Gansu Acad Agr Sci, Wheat Res Inst, Lanzhou 730070, Peoples R China

关键词： Coord attention; MobileNetV2; seed recognition; shortcut; wheat; visualization

期刊名称：IEEE ACCESS （ 影响因子：3.9； 五年影响因子：4.1 ）

ISSN： 2169-3536

年卷期： 2023 年 11 卷

页码：

收录情况： SCI

摘要： In this manuscript, a deep learning approach is used to research wheat seed variety identification and a fast and efficient wheat seed variety identification method (IRB-5-CA Net) is proposed based on the characteristics of wheat seeds and a self-constructed dataset, which provides ideas for wheat seed variety identification. Twenty-nine wheat varieties grown under natural light conditions were selected as the research objects, and a wheat seed dataset with the number of 4,385 seed photos was constructed by integrating sunny, cloudy, and rainy conditions with a blue hard paper as the background plate, and using a Nikon COOLPIX B700 digital camera for dataset collection. Based on the above self-constructed dataset, improving the MobileNetV2 model proposed a new lightweight method (IRB-5-CA Net) for wheat seed recognition. IRB-5-CA Net specific improvements are listed below: adding $5\times 5$ convolution to the bottleneck without using the shortcut structure and adding the Coord Attention to the bottleneck with using the shortcut structure. After training IRB-5-CA Net on the self-built dataset, the average accuracy, average recall, and F1 values are 99.5%, 99.6%, and 99.6%. The model improves the average accuracy by 6.8%, 5.6%, 5.8%, and 8.3% compared to MobileNetV2, ResNet34, Efficientnetv2_s, and GoogLeNet. The IRB-5-CA Net was visualized using the pytorch_grad_cam method, in the output heat map, it can be seen that the model focuses more attention on wheat seeds, resulting in higher accuracy. Applying IRB-5-CA Net to other public datasets such as wheat seed disease, apple leaf disease, and AI Challenger 2018 crop disease detection, the average accuracy was 98.06%, 96.15%, and 94.02%. This study provides a theoretical basis for seed variety identification, disease identification, and other crop disease identification in wheat.

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