Abstract
Abstract. With eCognition software, the sample-based object-oriented classification method is used. Remote sensing images in Huairou district of Beijing had been classified using remote sensing images of last ten years. According to the results of image processing, the land use types in Huairou district of Beijing were analyzed in the past ten years, and the changes of land use types in Huairou district were obtained, and the reasons for its occurrence were analyzed.
Highlights
Satellite remote sensing technology has the advantages of fast acquisition, wide range and lossless information
The most important characteristic of the classification algorithm is that the smallest unit of classification is the homogeneity Image object, instead of a single pixel, this method can achieve a higher level of remote sensing image classification and extraction of object features
Do carry on the field research, including selecting the sampling points based on the distribution, designing sampling routes, recording the sampling point at which land use types, and positioning by GPS
Summary
Satellite remote sensing technology has the advantages of fast acquisition, wide range and lossless information. It is widely used in land use, resource investigation, environmental testing and disaster assessment. Based on the characteristics of multi-temporal and high resolution of remote sensing data, the role of remote sensing technology in the dynamic monitoring of land use can be fully utilized, which has the characteristic of scientific and accurate, interpretation at any time and smart auxiliary decision-making
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