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Phenotype Analysis of Arabidopsis thaliana Based on Optimized Multi-Task Learning

Author

Listed:
  • Peisen Yuan

    (College of Artificial Intelligence, Nanjing Agricultural University, Nanjing 210095, China)

  • Shuning Xu

    (College of Artificial Intelligence, Nanjing Agricultural University, Nanjing 210095, China)

  • Zhaoyu Zhai

    (College of Artificial Intelligence, Nanjing Agricultural University, Nanjing 210095, China)

  • Huanliang Xu

    (College of Artificial Intelligence, Nanjing Agricultural University, Nanjing 210095, China)

Abstract

Deep learning techniques play an important role in plant phenotype research, due to their powerful data processing and modeling capabilities. Multi-task learning has been researched for plant phenotype analysis, which can combine different plant traits and allow for a consideration of correlations between multiple phenotypic features for more comprehensive analysis. In this paper, an intelligent and optimized multi-task learning method for the phenotypic analysis of Arabidopsis thaliana is proposed and studied. Based on the VGG16 network, hard parameter sharing and task-dependent uncertainty are used to weight the loss function of each task, allowing parameters associated with genotype classification, leaf number counting, and leaf area prediction tasks to be learned jointly. The experiments were conducted on the Arabidopsis thaliana dataset, and the proposed model achieved weighted classification accuracy, precision, and F w scores of 96.88 % , 97.50 % , and 96.74 % , respectively. Furthermore, the coefficient of determination R 2 values in the leaf number and leaf area regression tasks reached 0.7944 and 0.9787, respectively.

Suggested Citation

  • Peisen Yuan & Shuning Xu & Zhaoyu Zhai & Huanliang Xu, 2023. "Phenotype Analysis of Arabidopsis thaliana Based on Optimized Multi-Task Learning," Mathematics, MDPI, vol. 11(18), pages 1-18, September.
    • Handle: RePEc:gam:jmathe:v:11:y:2023:i:18:p:3821-:d:1233914
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    References listed on IDEAS

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    1. Shengyong Xu & Yi Zhang & Wanjing Dong & Zhilong Bie & Chengli Peng & Yuan Huang, 2023. "Early Identification and Localization Algorithm for Weak Seedlings Based on Phenotype Detection and Machine Learning," Agriculture, MDPI, vol. 13(1), pages 1-19, January.
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