基于机器学习的临床质谱的风险预测方法及设备

By constructing a 25-dimensional feature space and a hybrid ensemble learning model for the LC-MS system, the problems of lag and rigidity of the LC-MS system are solved, enabling forward-looking risk warning for the mass spectrometry system and improving the accuracy and efficiency of detection.

CN122084815BActive Publication Date: 2026-07-17SHANGHAI CLINICAL LAB CENT

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI CLINICAL LAB CENT
Filing Date
2026-04-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing LC-MS mass spectrometry systems suffer from lag, bias, and rigidity during detection, leading to frequent false positive alarms and an inability to effectively handle complex nonlinear coupling relationships across multiple feature dimensions, thus affecting the accuracy and efficiency of detection results.

Method used

A machine learning-based approach is used to construct a 25-dimensional feature space. Random forest and XGBoost models are used for risk prediction. By fusing multi-dimensional features and adjusting dynamic thresholds, the nonlinear coupling relationship of the system is captured, enabling proactive early warning.

Benefits of technology

It significantly improves the accuracy and predictability of early warning in mass spectrometry systems, reduces false alarm rates, and realizes the shift from post-event error correction to pre-event prevention, thereby reducing sample waste and detection delays.

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Abstract

本发明涉及临床检验医学与人工智能领域,提供了一种基于机器学习的临床质谱的风险预测方法及设备。风险预测方法包括:基于液相色谱串联质谱系统的N+M维特征定义,得到N+M维的特征向量结构;基于N+M维的特征向量结构,得到虚拟训练数据集,通过数据获取接口获取当前批次的各维度参数值,组装为N+M维特征向量数据;N+M维的特征向量结构对所述N+M维特征向量数据进行格式校验与无效值过滤,得到特征矩阵;基于所述特征矩阵和训练完成的融合集成风险预测模型,得到标准化的实时风险评分。本发明利用机器学习模型挖掘了配置参数与动态参数之间复杂的非线性关系,从而实现了比传统单阈值方法更精准、更具前瞻性的风险预警。
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