A method for constructing a tree trunk volume estimation model, volume estimation method and system
A technology for estimating models and building methods, which is applied in computing, computer components, character and pattern recognition, etc., and can solve problems such as portability and wide applicability, high cost of use, heavy workload, etc., to achieve modeling work The effect of small amount, short time consumption and high model accuracy
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[0052] As an embodiment of the present invention, the MeshLab visual data processing tool is used to visualize the sampled tree trunk point cloud data, and the visualized effect map is used to match the pictures taken in the field to ensure the accuracy of subsequent model construction.
[0053] As an embodiment of the present invention, when performing point cloud data preprocessing, first perform matching processing to ensure correctness, and then perform processing to delete redundant point cloud data other than tree trunks to further ensure the accuracy of subsequent model construction.
[0054] As an embodiment of the present invention, the specific method for calculating the volume of each layer through the method of cross-sectional integration includes:
[0055] Using the point cloud data including x-axis, y-axis and z-axis information, the point cloud of a single tree trunk with a height of H is horizontally divided into n slices along the vertical direction (y-axis dir...
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