Target object height centralized measurement and calculation method
A target and height technology, applied in the field of centralized measurement and calculation of target height, can solve the problems of difficult to obtain spectral features and texture features of ground objects, expensive lidar sensors, difficult analysis, etc., to achieve high measurement efficiency and reduced measurement. Time and flexibility
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[0029] See figure 1 , a method for centralized measurement and calculation of target height, comprising the following steps:
[0030] S1: Obtain the elevation map and distribution map of surface features in the research area under the same geographic location information;
[0031] The elevation map of ground features refers to the distribution map of height information including surface buildings, bridges and trees; the distribution map of ground features is a digital orthomap including the distribution of spectral and texture features of ground features. It should be noted that both must have the same geographic location information. The above two images come from a wide range of sources, including but not limited to 3D point clouds generated by lidar, 3D real-world models generated by oblique photography, and so on.
[0032] S2: Carry out image recognition and classification to the feature distribution map, and obtain the target distribution map area and the non-target dis...
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