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Crop growth analysis method and crop growth analysis system based on unmanned aerial vehicle platform

A crop growth and analysis method technology, which is applied in the field of crop growth analysis method and its analysis system based on the UAV platform, can solve the problems of failing to monitor information visualization data system analysis, staying in camera monitoring, etc., achieving low cost, The effect of high accuracy and high efficiency

Active Publication Date: 2017-07-21
北京兴农丰华科技有限公司
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Problems solved by technology

However, most of the existing UAV remote sensing technology applications in agriculture are only in the stage of photographing and monitoring, failing to realize the transformation of monitoring information into visual data for systematic analysis through scientific means.

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  • Crop growth analysis method and crop growth analysis system based on unmanned aerial vehicle platform
  • Crop growth analysis method and crop growth analysis system based on unmanned aerial vehicle platform
  • Crop growth analysis method and crop growth analysis system based on unmanned aerial vehicle platform

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Embodiment Construction

[0043] Embodiments of the invention will be described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0044] like figure 1 Shown is a flow chart of the steps of the crop growth analysis method based on the unmanned aerial vehicle platform of the present invention, specifically comprising the following steps:

[0045] Step S1: The UAV collects image data. In order to obtain the image of the crop planting area, the UAV platform is used to carry the visible light camera to fly according to a specific trajectory, take pictures at fixed points, and obtain the RGB image of the planting area;

[0046] Step S2: Obtain orthophotos after data splicing, perform spatial three-dimensional encryption, and obtain a DSM model (based on a digital surface model, Digital Surf...

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Abstract

The invention relates to a crop growth analysis method and a crop growth analysis system based on an unmanned aerial vehicle (UAV) platform. The method comprises the following steps: collecting image data of crops in different periods through a UAV; extracting the spectral information of each pixel in a planting area; building an inversion relationship between the spectral information and key growth parameters; and calculating the ridge number, plant height, leaf color, lodging rate and vegetation coverage of crops in the planting area. The ridge number of crops is calculated through line extraction based on Hough transform. The calculation of plant height of maize based on a DSM model is researched. Maize canopy color distinguishing based on maximum likelihood supervised classification is researched. The calculation of lodging rate of maize based on texture analysis is researched. The calculation of vegetation coverage of an image based on a pixel method is researched. The ridge number, plant height, leaf color, lodging rate, vegetation coverage and other information of crops in the process of growth can be extracted quickly and accurately, and comprehensive monitoring and unified management of the planting area are facilitated.

Description

technical field [0001] The invention relates to the field of crop growth analysis, in particular to a crop growth analysis method and analysis system based on an unmanned aerial vehicle platform. Background technique [0002] In traditional crop breeding, seed production and production, the monitoring of crop growth requires a lot of manpower and material resources, and relevant personnel are required to go to the planting area for on-site observation and measurement. It is difficult to observe the growth status of crops inside the farmland, and there are problems such as large subjective measurement errors, cumbersome operations, and difficult recording. Especially in the process of crop planting and growth, information such as the number of ridges, plant height, lodging rate, leaf color, and vegetation coverage have a great impact on crop growth status. If accurate monitoring is not carried out, it may cause huge losses. [0003] With the development of UAV technology, UA...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62G06F17/30
CPCG06F16/2455G06F16/248G06F16/252G06F16/29G06V20/188G06V10/48G06V10/44G06F18/2163G06F18/214
Inventor 张俊青刘哲张南李云
Owner 北京兴农丰华科技有限公司
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