Moso bamboo forest number identification method and device based on foundation laser radar

A technology of laser radar and recognition method, which is applied in the field of forest resources monitoring, can solve the problems of moso bamboo and so on, and achieve the effect of improving the recognition rate and reducing the workload in the field

Pending Publication Date: 2021-06-11
INT CENT FOR BAMBOO & RATTAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the single tree identification using TLS technology is mainly concentrated on tall broad-leaved trees, and the single tree identification is mostly carried out on the basis of diameter fitting. Using the center

Method used

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  • Moso bamboo forest number identification method and device based on foundation laser radar
  • Moso bamboo forest number identification method and device based on foundation laser radar
  • Moso bamboo forest number identification method and device based on foundation laser radar

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0046] Device Embodiment 1

[0047] According to an embodiment of the present invention, a device for identifying the number of moso bamboo forests based on ground-based laser radar is provided, Figure 5 It is a schematic diagram of a device for identifying the number of moso bamboo forests based on ground-based laser radar according to an embodiment of the device of the present invention, as shown in the figure. Figure 5 As shown, the device for identifying the number of moso bamboo forests based on ground-based laser radar according to the embodiment of the present invention specifically includes:

[0048] The data acquisition module 501: acquires the ground-based lidar point cloud data of the moso bamboo forest through the ground-based lidar;

[0049] Data processing module 502: obtain a point cloud data file according to the ground-based lidar point cloud data;

[0050] Further, obtaining the point cloud data file according to the ground-based lidar point cloud data sp...

Example Embodiment

[0056] Device Embodiment 2

[0057] Embodiments of the present invention provide a device for identifying the number of moso bamboo forests based on ground-based laser radar, such as Image 6 As shown, including: a memory 601, a processor 602 and a computer program stored in the memory 601 and running on the processor 602, the computer program is executed by the processor 602 to implement the following method steps:

[0058] S101. Data acquisition: obtain ground-based lidar point cloud data of moso bamboo forest through ground-based lidar;

[0059] S102. Data processing: obtain point cloud data files according to ground-based lidar point cloud data;

[0060] S103. Intercept data: intercept the point cloud data file according to the predetermined interception upper limit and interception lower limit, and generate a horizontal strip containing only bamboo stalks;

[0061] Further, obtaining the point cloud data file according to the ground-based lidar point cloud data specific...

Example Embodiment

[0065] Device Embodiment 3

[0066] An embodiment of the present invention provides a computer-readable storage medium, where an implementation program for information transmission is stored on the computer-readable storage medium, and when the program is executed by the processor 602, the following method steps are implemented:

[0067] S101. Data acquisition: obtain ground-based lidar point cloud data of moso bamboo forest through ground-based lidar;

[0068] S102. Data processing: obtain point cloud data files according to ground-based lidar point cloud data;

[0069] S103. Intercept data: intercept the point cloud data file according to the predetermined interception upper limit and interception lower limit, and generate a horizontal strip containing only bamboo stalks;

[0070] Further, obtaining the point cloud data file according to the ground-based lidar point cloud data specifically includes: preprocessing the ground-based lidar point cloud data to generate corrected...

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Abstract

The invention discloses a moso bamboo forest number identification method and device based on a foundation laser radar. The method comprises the following steps: obtaining foundation laser radar point cloud data of a moso bamboo forest through the foundation laser radar; obtaining a point cloud data file according to the ground-based laser radar point cloud data; intercepting the point cloud data file according to a preset interception upper limit and an interception lower limit, and generating a section of horizontal strip only containing bamboo stalks; carrying out voxelization on the horizontal strip in a three-dimensional space to generate a voxel space, wherein the voxel space comprises voxels of the ground-based laser radar point cloud data; and taking the continuous voxel group in the vertical direction of the whole horizontal strip as a stem, and traversing the voxel space to obtain the number of the moso bamboo forest. By adopting the embodiment of the invention, not only can the field workload of sample plot investigation be reduced, but also according to the special morphological characteristics of the moso bamboos, the proposed new method can improve the identification rate of the single moso bamboos and provide reference for bamboo forest investigation.

Description

technical field [0001] The invention relates to the technical field of forest resource monitoring, in particular to a method and device for identifying the number of moso bamboo forests based on ground-based laser radar. Background technique [0002] Bamboo forest is an important part of my country's forest resources, has excellent carbon sequestration capacity, and plays an important role in promoting industrial and regional economic development. Therefore, it is very important to conduct regular surveys of bamboo forest resources to grasp its current status and growth changes. The traditional survey of bamboo forest resources is time-consuming, laborious and expensive. As an active remote sensing technology, ground-based lidar can directly, quickly and accurately obtain the three-dimensional geographic coordinates of the research object, and provide accurate information about tree location, number of trees, diameter at breast height, and forest structure parameters of tre...

Claims

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Application Information

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IPC IPC(8): G01S17/06G01S17/89
CPCG01S17/06G01S17/89Y02A90/10
Inventor 官凤英黄兰鹰张美曼郑亚雄尹子旭肖箫夏雯
Owner INT CENT FOR BAMBOO & RATTAN
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