一个新的基于受约束优化的无参数模型更新策略,用于增强跨多个生物变异性的水果质量评估.
Penghui Liu1, Yingjie Zheng1, Hao Tian2
1College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, PR China; Zhejiang Key Laboratory of Intelligent Sensing and Robotics for Agriculture, Hangzhou 310058, PR China; The National Key Laboratory of Agricultural Equipment Technology, Beijing 100083, PR China.
这项研究引入了一种新的校准方法,即修改后的半监督无参数校准增强 (MSS-PFCE),以显著改善水果质量评估. 该方法通过最小的新数据提高了预测准确性,确保了可靠的现场应用.
科学领域:
- 农业科学 农业科学
- 分析化学 分析化学
- 频谱学是一种光谱学.
背景情况:
- 校准模型随着时间的推移因样品和测量条件的变化而退化.
- 准确的水果质量评估对于农业应用至关重要,需要强大的校准技术.
研究的目的:
- 引入和评估一个修改的半监督无参数校准增强 (MSS-PFCE) 方法.
- 提高水果质量评估模型在各种生物变异性的准确性和可靠性.
- 通过使用有限的数据,与现有的校准方法对比MSS-PFCE的性能进行评估.
主要方法:
- 开发了一种修改后的半监督无参数校准增强 (MSS-PFCE) 方法.
- 在六个不同水果数据集 (不同季节,来源,品种) 上测试了MSS-PFCE.
- 将MSS-PFCE与四种基准方法进行比较:SS-PFCE,全球模型,重新校准和斜率/偏差校正 (SBC).
主要成果:
- 对于奴隶光谱,MSS-PFCE显著降低了根平均平方预测误差 (RMSEP) 的50.63%,92.66%和76.47%.
- 该方法的性能优于所有基准方法.
- 使用仅5%的奴隶样本,模型更新是有效的,这表明样本依赖程度低.
- 保持了强大的可靠性和稳定的适配在不同的样本比例和成本值.
结论:
- MSS-PFCE为现场水果质量评估提供了一个高度准确和可扩展的解决方案.
- 该技术需要最小的数据来更新模型,降低成本和工作量.
- 这种新的更新技术在现实世界农业环境中提高了预测性能和模型稳定性.
更多相关视频
相关概念视频
Genetic Variation
Genes exist in different versions called alleles,...
Pharmacokinetic Models: Comparison and Selection Criterion
Physiological models take a detailed approach by considering specific molecular processes. They can predict drug distribution, metabolism, and elimination changes, providing a comprehensive understanding of how drugs interact with the body.
Variability: Analysis
The range is a simple measure of variability, indicating the difference between the highest and...
Analysis Methods of Pharmacokinetic Data: Model and Model-Independent Approaches
The model approach uses mathematical models to describe changes in drug concentration over time. Pharmacokinetic models help characterize drug behavior in patients, predict drug concentration in the body fluids, calculate optimum dosage regimens, and evaluate the risk of toxicity. However, ensuring that the model fits the experimental data accurately...
Parameters Affecting Nonlinear Elimination: Zero-Order Input, First-Order Absorption and Two-Compartment Model
When a drug is administered through a constant intravenous infusion and eliminated via nonlinear pharmacokinetics, it follows zero-order input. For example, oral drugs undergo first-order absorption upon administration and are eliminated through nonlinear pharmacokinetics.
In the case of subcutaneously administered drugs,...
Multi-input and Multi-variable systems
In the absence...


