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Crop growth analysis method and analysis system based on UAV platform

A technology of crop growth and analysis method, applied in the field of crop growth analysis method and analysis system based on UAV platform, can solve the problems of staying in photo monitoring, failure to monitor information visualization data system analysis, etc., and achieve high accuracy , low cost and high efficiency

Active Publication Date: 2020-10-27
北京兴农丰华科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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.

Method used

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  • Crop growth analysis method and analysis system based on UAV platform
  • Crop growth analysis method and analysis system based on UAV platform
  • Crop growth analysis method and analysis system based on UAV 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] Such as 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, DigitalSu...

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Abstract

The invention relates to a crop growth analysis method and an analysis system based on an unmanned aerial vehicle platform. Collect image data of crops in different periods by drones, extract the spectral information of each pixel in the planting area, and establish an inversion relationship with key growth parameters, and calculate the number of ridges, plant height, leaf color, and lodging of the crops in the planting area rates, and vegetation coverage. The invention calculates the number of planting ridges by extracting straight lines through Hough transform; studies the DSM model to calculate the plant height of corn; studies the color of corn canopy based on maximum likelihood supervised classification; studies the calculation of corn lodging ratio based on texture analysis; studies the calculation of image vegetation based on pixel method Coverage. The invention can realize rapid and accurate extraction of information such as the number of ridges, plant height, leaf color, lodging rate, vegetation coverage and the like in the process of crop growth, so as to facilitate comprehensive monitoring and unified management of the planting area.

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 Patents(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62G06F16/29G06F16/248G06F16/25G06F16/2455
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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