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Field-Based Soybean Flower and Pod Detection Using an Improved YOLOv8-VEW Method

Author

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  • Kunpeng Zhao

    (College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China)

  • Jinyang Li

    (College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China)

  • Wenqiang Shi

    (College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China)

  • Liqiang Qi

    (College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China)

  • Chuntao Yu

    (College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China)

  • Wei Zhang

    (College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China
    Heilongjiang Province Conservation Tillage Engineering Technology Research Center, Daqing 163319, China)

Abstract

Changes in soybean flower and pod numbers are important factors affecting soybean yields. Obtaining the number of flowers and pods, as well as fallen flowers and pods, quickly and accurately is crucial for soybean variety breeding and high-quality and high-yielding production. This is especially challenging in the natural field environment. Therefore, this study proposed a field soybean flower- and pod-detection method based on an improved network model (YOLOv8-VEW). VanillaNet is used as the backbone feature-extraction network for YOLOv8, and the EMA attention mechanism module is added to C2f, replacing the CioU function with the WIoU position loss function. The results showed that the F1, mAP, and FPS (frames per second) of the YOLOv8-VEW model were 0.95, 96.9%, and 90 FPS, respectively, which were 0.05, 2.4%, and 24 FPS better than those of the YOLOv8 model. The model was used to compare soybean flower and pod counts with manual counts, and its R 2 for flowers and pods was 0.98311 and 0.98926, respectively, achieving rapid detection of soybean flower pods in the field. This study can provide reliable technical support for detecting soybean flowers and pod numbers in the field and selecting high-yielding varieties.

Suggested Citation

  • Kunpeng Zhao & Jinyang Li & Wenqiang Shi & Liqiang Qi & Chuntao Yu & Wei Zhang, 2024. "Field-Based Soybean Flower and Pod Detection Using an Improved YOLOv8-VEW Method," Agriculture, MDPI, vol. 14(8), pages 1-15, August.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:8:p:1423-:d:1461428
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    References listed on IDEAS

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    1. Huawei Yang & Yinzeng Liu & Shaowei Wang & Huixing Qu & Ning Li & Jie Wu & Yinfa Yan & Hongjian Zhang & Jinxing Wang & Jianfeng Qiu, 2023. "Improved Apple Fruit Target Recognition Method Based on YOLOv7 Model," Agriculture, MDPI, vol. 13(7), pages 1-21, June.
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