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Agricultural Machinery Movement Trajectory Recognition Method Based on Two-Stage Joint Clustering

Author

Listed:
  • Shuya Zhang

    (Information Engineering College, Capital Normal University, Beijing 100048, China)

  • Hui Liu

    (Information Engineering College, Capital Normal University, Beijing 100048, China)

  • Xiangchen Cao

    (National Research Center of Intelligent Equipment for Agriculture, Beijing 100097, China)

  • Zhijun Meng

    (National Research Center of Intelligent Equipment for Agriculture, Beijing 100097, China)

Abstract

To address the challenges posed by the large scale of agricultural machinery trajectory data and the complexity of actual movement trajectories, this paper proposes a two-stage joint clustering method for agricultural machinery trajectory recognition to enhance accuracy and robustness. The first stage involves trajectory clustering, where the spatial distribution characteristics of agricultural machinery trajectories are analyzed, and the position coordinates and the number of neighboring points of trajectory points are extracted as features. The silhouette coefficient method is used to determine the optimal number of clusters k for the K-Means algorithm, thus reducing the data scale. The second stage focuses on trajectory recognition, where a list of Eps and Minpts parameters is generated based on the statistical properties of the trajectory dataset. The Genetic Algorithm is employed for parameter optimization to determine the optimal DBSCAN parameters, enabling precise identification of field operation trajectories and road travel trajectories. Experimental results show that this method achieves mean values of 91.55% for Accuracy, 95.41% for Precision, 89.86% for Recall, and 92.41% for F1-score on a sample dataset of 337 trajectories, representing improvements of 12.8%, 5.13%, 7.79%, and 6.84%, respectively, over the traditional DBSCAN algorithm. Additionally, the Runtime of the two-stage joint clustering method is approximately 30% shorter than that of single-stage clustering. Compared with mainstream deep learning models such as LSTM and Transformer, this method delivers comparable recognition accuracy without the need for labeled data training, significantly reducing recognition costs. The proposed method achieves accurate and robust recognition of agricultural machinery trajectories and holds broad application potential in practical scenarios.

Suggested Citation

  • Shuya Zhang & Hui Liu & Xiangchen Cao & Zhijun Meng, 2024. "Agricultural Machinery Movement Trajectory Recognition Method Based on Two-Stage Joint Clustering," Agriculture, MDPI, vol. 14(12), pages 1-16, December.
  • Handle: RePEc:gam:jagris:v:14:y:2024:i:12:p:2294-:d:1543941
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    References listed on IDEAS

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    1. Wenbo Wei & Maohua Xiao & Weiwei Duan & Hui Wang & Yejun Zhu & Cheng Zhai & Guosheng Geng, 2024. "Research Progress on Autonomous Operation Technology for Agricultural Equipment in Large Fields," Agriculture, MDPI, vol. 14(9), pages 1-20, August.
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