整合X射线CT,传感器融合和机器学习,用于先进模拟收获前果生长动态
Weiqun Wang1, Dario Mengoli2, Shangpeng Sun3
1Department of Agriculture and Food Science, University of Bologna, 40127 Bologna, Italy.
Sensors (Basel, Switzerland)
|January 28, 2026
概括
双分辨率的X射线计算机断层扫描 (CT) 无损地揭示了果内部结构与环境因素的关系. 温度显著影响水果的质量,特别是在早期的发展,使精确的果园管理.
科学领域:
- 农业科学 农业科学
- 植物生理学 植物生理学
- 图像技术技术的成像技术
背景情况:
- 了解水果质量需要将内部结构与环境条件联系起来.
- 传统方法往往侧重于收获后分析,限制了对发展过程的洞察力.
- 果实内部结构的非破坏性表征对于推进农业科学至关重要.
研究的目的:
- 引入双分辨率X射线计算机断层扫描 (CT) 的新型应用,用于非破坏性果内部组织分析.
- 为了将果内部组织结构与影响水果质量的环境因素联系起来.
- 基于结构和环境数据,开发水果质量的预测模型.
主要方法:
- 双分辨率的X射线计算机断层扫描 (CT) 用于非破坏性内部组织成像.
- 提取3D结构参数 (例如,多孔性,异质性).
- 统计分析包括相关性,PCA,CCA,SEM和机器学习 (ML) 模型 (MLR,随机森林,XGBoost).
主要成果:
- 确定温度是水果质量的首要环境驱动因素,特别是在45天后完全开花 (DAFB).
- 揭示了蒸汽压力赤字,相对湿度和光线对质量特征的非线性层次效应.
- 以温度为关键预测指标,实现了高预测准确度 (R2>0.99对于MLR).
结论:
- 双分辨率的X射线CT提供了对水果内部结构及其与环境因素的关系有价值的见解.
- 早期的环境条件对果的质量发展有很大的影响.
- 这种多学科框架通过提高水果质量的预测精度来支持精确果园管理.
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