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A UAV forestry resource survey method

A forestry resource and UAV technology, applied in the field of UAV forestry resource investigation, can solve the problems of inability to obtain forest tree characteristic parameters, waste of manpower and time, heavy workload, etc., to achieve strong practicability, reduce labor intensity, The effect of complete and reliable data

Active Publication Date: 2021-07-20
ZHEJIANG FORESTRY UNIVERSITY
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AI Technical Summary

Problems solved by technology

Traditional manual and remote sensing methods for forest resource investigation and management waste manpower and time, and the workload is quite large, so it is impossible to obtain some important forest tree characteristic parameters

Method used

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  • A UAV forestry resource survey method
  • A UAV forestry resource survey method
  • A UAV forestry resource survey method

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Experimental program
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Embodiment Construction

[0036] Such as Figure 1 to Figure 4 Shown, be a kind of unmanned aerial vehicle forestry resource investigation method of the present invention, comprise the following steps:

[0037] 1) Forestry ground scanning modeling

[0038] a. First select a drone 1, install a CCD camera on the drone 1, and do a good job of debugging before scanning;

[0039] b. Then fly the UAV 1 according to the designed flight route and direction, and use the CCD camera to continuously take pictures and collect the ground of the forest farm with the lens down, so that the entire area of ​​the forest farm can be completely input into the computer. It is convenient for the subsequent division of unit areas and improves the accuracy of forestry resource investigation. The photos taken meet the ground scenery collected by two adjacent photos without overlapping, and avoid expanding or shrinking the area of ​​the forest farm;

[0040]c, then model the photos sent back by the UAV 1 by computer, and estab...

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Abstract

The invention discloses a method for investigating forestry resources by an unmanned aerial vehicle, which comprises the following steps: ground scanning and modeling of forest farms, block scanning and forestry resource statistics. The forestry resources investigation method of the present invention has simple steps and strong practicability, which can not only satisfy the resource investigation of trees of different sizes and sizes, reduce the labor intensity of manual operation, but also calculate the entire forest farm after averaging the unit area, so that the calculated The data is closer to the density of real forest trees, the measurement accuracy is higher, and the data is more complete and reliable.

Description

technical field [0001] The invention relates to a method for investigating forestry resources by an unmanned aerial vehicle. Background technique [0002] As an important part of the terrestrial ecosystem, forests not only provide humans with a large number of material resources such as forest products and forest by-products, but also have ecological functions such as water and soil conservation, windbreak and sand fixation, water conservation, air purification, and climate regulation. The status of forest resources And its ebb and flow changes, not only have an impact on the sustainable development of the social economy, but also affect regional and even global environmental changes, and are extremely important for the global and regional water cycle, carbon cycle, and energy balance. [0003] In the past, forest resources surveys were often carried out by manpower or by using aerial remote sensing images and other methods. Traditional manual and remote sensing methods for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S17/89G01S17/86G01C11/02
CPCG01C11/025G01S17/89
Inventor 陈小华
Owner ZHEJIANG FORESTRY UNIVERSITY
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