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Method and system for determining crop planting area based on phenological characteristics and storage medium

A method for determining crops, which is applied in the computer field, can solve the problems that crops cannot be identified by remote sensing technology, and the spectral differences between vegetation types are not significant, and achieve low-cost and high-efficiency effects

Active Publication Date: 2022-03-22
TSINGHUA UNIV
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Problems solved by technology

However, the existing remote sensing technology used to obtain the planting area of ​​crops has the following disadvantages: due to the wide variety of crops, all of which belong to vegetation, under the influence of factors such as meteorological conditions and farmland management measures, the spectral differences between vegetation types are not significant; The crops that lead to the same species with different spectra and different species with the same spectrum cannot be identified by remote sensing technology

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  • Method and system for determining crop planting area based on phenological characteristics and storage medium
  • Method and system for determining crop planting area based on phenological characteristics and storage medium

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Embodiment Construction

[0050] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0051] refer to figure 1 As shown, it is a schematic flowchart of a method for determining crop planting area based on phenological characteristics provided by an embodiment of the present invention. The method can be performed by a system, which can be implemented by software and / or hardware.

[0052] In this embodiment, the method for determining the planting area of ​​crops based on phenological characteristics includes steps S110-S150. S110, collect remote sensing image data of the crop planting area to be detected according to the set time; S120, determine the vegetation index statistical characteristics and vegetation phenology characteristics of the crop planting area to be detected according to the remote sensing image data; S130, according to the vegetation index statistical characteristics Determine the cro...

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Abstract

The invention provides a phenological characteristic-based crop planting area determination method and system and a storage medium, and belongs to the technical field of computers, and the method comprises the steps: collecting remote sensing image data of a to-be-detected crop planting area according to a set time; determining vegetation index statistical characteristics and vegetation phenological characteristics of the to-be-detected crop planting area according to the remote sensing image data; determining a crop planting area feature vector of the to-be-detected crop planting area according to vegetation index statistical features and vegetation phenological features; inputting the crop planting region feature vector into a pre-trained random forest-based crop planting region extraction model, and performing remote sensing extraction to determine a crop planting region distribution diagram of the to-be-detected crop planting region; and analyzing the crop planting area distribution map to determine planting area data of the to-be-detected crop planting area. The method has the technical effects of low cost, high efficiency and capability of finely depicting the spatial distribution of the planting area.

Description

technical field [0001] The invention belongs to the field of computer technology, and in particular relates to a method, system and storage medium for determining crop planting area based on phenological characteristics. Background technique [0002] The traditional method of obtaining crop planting area relies on field surveys and statistical reports. This survey method is not only costly and inefficient, but also does not have the ability to describe the spatial distribution of planting areas in detail. Phenology refers to the periodic changes in biological growth and development, such as plant germination, leaf unfolding, flowering, and leaf fall. Different types of crops show different phenological stages and characteristics. Relying on field surveys and statistical reports is no longer sufficient to obtain information on crop phenology stages and characteristics. [0003] In the existing technology, remote sensing technology has been applied to the field of crop planti...

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Application Information

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IPC IPC(8): G06T7/62G06V20/10G06V10/764G06K9/62
CPCG06T7/62G06T2207/20081G06T2207/10032G06T2207/30188G06F18/24323
Inventor 俞乐李曦煜
Owner TSINGHUA UNIV
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