High-fineness urban three-dimensional modeling method
A technology of three-dimensional modeling and three-dimensional modeling of cities, which is applied in the field of three-dimensional digital city construction, can solve the problems of poor accuracy and fineness, low degree of digitalization, long cycle, etc., and achieve the effect of high precision and high degree of automation
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[0044] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0045] In order to improve development efficiency, reduce development costs, shorten development cycles and improve modeling precision, embodiments of the present invention provide a high-precision three-dimensional city modeling method, see figure 1 , See the description below for details:
[0046] 101: Through airborne LIDAR (Light Detection And Ranging, Lidar) verification flight, realize the parameter calibration of airborne LIDAR equipment, and obtain the original aerial survey data results through the airborne LIDAR aerial survey in the urban survey area;
[0047] Among them, the main components of the airborne LIDAR are laser sensors, digital cameras and POS positioning and attitude determination systems. The laser sensor needs to check h...
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