Crop phenology real-time monitoring method and device

A real-time monitoring and crop technology, which is applied in the direction of measuring devices, scattering characteristic measurement, character and pattern recognition, etc., can solve the problems of real-time monitoring of crop phenology, etc., and achieve the effect of real-time monitoring technology

Pending Publication Date: 2021-02-02
BEIJING AEROSPACE HONGTU INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the purpose of the present invention is to provide a method and device for real-time monitoring of crop phenology, so as to alleviate the technical problem that the phenology of crops cannot be monitored in real time in the prior art

Method used

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  • Crop phenology real-time monitoring method and device
  • Crop phenology real-time monitoring method and device

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Embodiment 1

[0043] According to an embodiment of the present invention, an embodiment of a method for real-time monitoring of crop phenology is provided. It should be noted that the steps shown in the flow chart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and , although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0044] figure 1 It is a flowchart of a real-time monitoring method for crop phenology according to an embodiment of the present invention, such as figure 1 As shown, the method includes the following steps:

[0045] Step S102, acquiring remote sensing images of the target area, and calculating the EVI time series of target crops in the remote sensing images, wherein the remote sensing images include: current remote sensing images and historical remote sensing images;

[0046] Step S104, ...

Embodiment 2

[0104] The embodiment of the present invention also provides a real-time monitoring device for crop phenology, the monitoring device for crop phenology is used to implement the method for monitoring crop phenology provided in the above-mentioned content of the embodiment of the present invention, the following is the crop phenology provided by the embodiment of the present invention The specific introduction of the monitoring device.

[0105] Such as Figure 11 as shown, Figure 11 It is a schematic diagram of the above-mentioned crop phenology monitoring device, which includes: an acquisition unit 10 , an optimization unit 20 , a construction unit 30 and a monitoring unit 40 .

[0106] The acquiring unit 10 is configured to acquire a remote sensing image of a target area, and calculate an EVI time series of a target crop in the remote sensing image, wherein the remote sensing image includes: a current remote sensing image and a historical remote sensing image;

[0107] The ...

Embodiment 3

[0112] An embodiment of the present invention also provides an electronic device, including a memory and a processor, the memory is used to store a program that supports the processor to execute the method described in the first embodiment above, and the processor is configured to execute the program stored in memory.

[0113] see Figure 12 , the embodiment of the present invention also provides an electronic device 100, including: a processor 60, a memory 61, a bus 62 and a communication interface 63, the processor 60, the communication interface 63 and the memory 61 are connected through the bus 62; An executable module, such as a computer program, stored in the execution memory 61 .

[0114] Wherein, the memory 61 may include a high-speed random access memory (RAM, Random Access Memory), and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory. The communication connection between the system network element and at least one other...

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Abstract

The invention provides a crop phenology real-time monitoring method and device, and relates to the technical field of phenology extraction, and the method comprises the steps: obtaining a remote sensing image of a target region, and calculating an EVI time sequence of a target crop in the remote sensing image, wherein the remote sensing image comprises a current remote sensing image and a historical remote sensing image; optimizing the EVI time sequence of each remote sensing image to obtain an intermediate EVI time sequence of each remote sensing image, and calculating an average EVI time sequence of the intermediate EVI time sequence corresponding to the current remote sensing image; constructing a reference EVI curve based on the average EVI time sequence; based on the EVI time sequencecorresponding to the current remote sensing image, and the target EVI curve, monitoring the phenology of the target crops in the target area by using the reference EVI curve and the target EVI curve,so that the technical problem that the phenology of the crops cannot be monitored in real time in the prior art is solved.

Description

technical field [0001] The invention relates to the technical field of phenology extraction, in particular to a method and device for real-time monitoring of crop phenology. Background technique [0002] Crop phenology is defined as multiple key time nodes such as crop start growth, development, maturity, and end growth. Crop phenology is an important input parameter of ecological models such as crop identification, crop growth monitoring, and crop yield estimation. Crop phenology depends not only on climatic conditions such as temperature, soil moisture, and rainfall, but also on various factors such as crop species, seed quality, and farmers' practices. Real-time or near-real-time monitoring of crop phenology during the growth process plays a vital role in the evaluation of crop growth and efficient management of farmland (including fertilization, irrigation, harvesting, and pest control). In addition, from the perspective of food security and business, the estimation of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/47G06K9/00
CPCG01N21/4738G01N2021/1793G06V20/188
Inventor 王宇翔周渊柳杨华郭琳琳马海波刘东升
Owner BEIJING AEROSPACE HONGTU INFORMATION TECH
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