Urban land function identification and change detection method
A technology for urban function and change detection, applied in the field of big data analysis, can solve problems such as uncertainty of analysis results, insufficient recognition ability of mixed function areas, and difficulty in guaranteeing the integrity of POI data sources, etc.
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[0061] The specific implementation manners of the present invention will be further described below in conjunction with the drawings and examples. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0062] Such as figure 1 As shown, the present invention provides a function recognition and change detection method of urban functional land that integrates remote sensing images and POI data, uses the spectrum and texture features of remote sensing images to identify different types of land use in urban areas, and then combines urban road network data, POI data realizes further fine division and identification of urban land use functions. The specific method steps are as follows:
[0063] S1. Extracting land use types based on remote sensing images.
[0064] 1) According to the requirements of urban planning norms, carry out basic classification of land ...
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