Research on Key Technologies of Real Scene 3D Cloud Service Platform for Digital Twin Cities

Based on the background of real 3D China Construction, this paper develops real scene 3D cloud service platform for digital Twin Cities to solve the difficulties of Urban fine governance, deeply analyzes the key problems of digital twin cities, gives advanced solutions combined with the development of new generation information technology, including high precision urban 3D data acquisition and preprocessing, integration and storage of urban 3D reality data, information fusion of urban dynamic data and 3D reality, intelligent classification and positioning of urban management objects, demonstrates its feasibility, applies it to the construction of future communities, and points out the innovation of the scheme including fusion innovation of city perception data and 3D real city scene based on new generation artificial intelligence, Semantic automatic recognition method of small objects in 3D scene based on urban real scene, and hybrid model simulation method for urban application and management.