计算机技术与发展2025，Vol.35Issue(5)：136-144,9.DOI:10.20165/j.cnki.ISSN1673-629X.2025.0005
基于SCAD先验知识算法的脑卒中预测模型研究
Research on Stroke Incidence Prediction Model Based on SCAD Prior Knowledge Algorithm
摘要
Abstract
An attention mechanism and Smoothly Clipped Absolute Deviation(SCAD)prior-based stroke incidence prediction model is developed.Through in-depth research,the meteorological feature attention module is designed to improve the feature expression ability of the model,and the multi-head attention mechanism is used to effectively capture the weight association information between meteorological factors and stroke incidence,reduce the interference of useless information,and make the training process pay more attention to meteorological factors that have a significant influence on stroke incidence.In order to further improve the prediction performance of the model in the case of limited data scale,we combine SCAD feature screening method and prior knowledge method to design SCAD prior knowledge module to help the model converge faster and reduce the model's dependence on data scale.The proposed algorithm has improved in different evaluation metrics when compared to numerous comparative models.The MSE is decreased by 0.064 for each of them when compared to the baseline algorithm's top-performing Xgboost model,and theR2 score is raised by 0.054 for each.The suggested algorithm is also subjected to an ablation analysis,which verifies the function of the core modules created for the algorithm in this chapter and its contribution to the enhancement of model performance.In conclusion,the proposed model can aid in stroke incidence prevention by properly predicting the stroke incidence based on meteorological data.关键词
气象因子/脑卒中发病率/注意力机制/SCAD/先验知识Key words
meteorological factors/stroke incidence/attention mechanism/smoothly clipped absolute deviation(SCAD)/prior knowledge分类
信息技术与安全科学引用本文复制引用
郭茜,赵否曦,彭宇翔,支亚京,汪华,王娟,刘国强..基于SCAD先验知识算法的脑卒中预测模型研究[J].计算机技术与发展,2025,35(5):136-144,9.基金项目
贵州省科技基础研究计划(黔科合基础—ZK[2022]一般244) （黔科合基础—ZK[2022]一般244）
贵州省科技支撑计划(黔科合支撑[2023]一般165) （黔科合支撑[2023]一般165）
