一种基于多源遥感数据的GDP空间化方法

By establishing a spatial model of GDP using multi-source remote sensing data, the problem of low fitting accuracy of GDP spatialization in existing technologies has been solved, enabling an accurate reflection of regional GDP spatial differences and supporting economic research and regulation.

CN115391624BActive Publication Date: 2026-07-17HEFEI UNIV OF TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HEFEI UNIV OF TECH
Filing Date
2022-08-24
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Most existing methods for analyzing the spatial distribution of GDP use nighttime light data to build single-factor models, which have low fitting accuracy and cannot effectively reflect the spatial differences in regional GDP.

Method used

A method based on multi-source remote sensing data was adopted. By acquiring correlation data of the study area, and after preprocessing, a GDP spatialization model was established using principal component analysis and random forest algorithm. Principal correlation factors were assigned and gridded to obtain the GDP spatialization results.

Benefits of technology

It can more quickly and accurately reflect the GDP of local areas and the differences within the region, providing data support for regional economic development regulation and sustainable resource development.

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Abstract

本发明适用于遥感数据技术领域,提供了一种基于多源遥感数据的GDP空间化方法,解决了现有区域GDP空间化的核算方法拟合精度低,不能很好的体现区域GDP的空间差异的问题;方法包括:获取研究区域关联数据;加载研究区域关联数据,分别对GDP空间化影响因子数据进行预处理工作,得到相对应的空间栅格数据;提取研究区域所述GDP空间化影响因子数据,得到与GDP关联性强的主关联因子数据;基于主成分分析法和随机森林算法建立GDP空间化模型,得到GDP空间化结果;本发明基于主成分分析法和随机森林算法建立GDP空间化模型,再对模型进行训练和优化,得到了能够反演研究区域GDP空间化的模型,为后续经济研究提供支持。
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