洪江市第三次国土调查工作几种山区线状地物调查方式的优化

为进一步做好洪江市第三次国土调查工作,文章以湖南省洪江市为例,分析遥感数字正射影像即DOM影像在山区的部分问题,结合全过程野外调查工作中遇到的各种问题,调整优化调查方式,构建完善分析调查机制,科学高效的分析并识别山区线状地物相关数据。

In order to further do a good job in the third land survey of Hongjiang City,this paper takes Hongjiang City of Hunan Province as an example,analyzes some problems of remote sensing digital orthophoto image,that is,DOM image in the mountain area.Aiming at the various problems encountered in the whole process of field investigation,this paper adjusts and optimizes the investigation methods,constructs and improves the analysis and investigation mechanism,so as to scientifically and efficiently analyzes and identifies the relevant data of linear features in mountain areas.