Single tree modeling method and device and storage medium
A modeling method and single-tree technology, applied in the field of data processing, can solve problems such as the accuracy cannot be maintained at a high level, the accuracy and difficulty of fitting are increased, and errors exist in the single-tree model.
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no. 1 example
[0023] For a first example, see figure 1 .
[0024] like figure 1 As shown, a single tree modeling method provided in the first embodiment includes steps S1-S4:
[0025] S1. Carry out individual tree clipping on the forest point cloud data of the target forest area, and extract part of the single tree point cloud data as a sample data set.
[0026] S2. Using a pre-designed 2.5D Manhattan distance model to train the sample data set to obtain a target forest area model.
[0027] S3. Input all the single tree point cloud data into the target forest area model to obtain the segmentation threshold of the target forest area.
[0028] S4. Extract target tree data sets one by one according to the segmentation threshold.
[0029] In a specific embodiment, the step S1 further includes: dividing the forest point cloud data into ground points and vegetation point clouds; interpolating the ground points and generating a digital elevation model; using the digital elevation model Perfor...
no. 2 example
[0053] For a second example, see figure 2 .
[0054] like figure 2 As shown, a single tree modeling device provided by the second embodiment includes: a processing module 21, which is used to perform single tree clipping on the forest point cloud data of the target forest area, and extract part of the single tree point cloud data as sample data set; modeling module 22, for utilizing the pre-designed 2.5D Manhattan distance model based on the training of the sample data set, to obtain the target forest area model; calculation module 23, for inputting all the single tree point cloud data into the set respectively The target forest area model is used to obtain the segmentation threshold of the target forest area; the extraction module 24 is used to extract the target tree data sets one by one according to the segmentation threshold.
[0055] In a specific embodiment, the processing module 21 further includes: dividing the forest point cloud data into ground points and vegetat...
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