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Method for identifying thunderstorm cloud clusters in satellite cloud atlas

A technology of satellite cloud image and identification method is applied in the field of identification of thunderstorm clouds in satellite cloud images, and can solve the problem of inability to accurately locate thunderstorm clouds and the like.

Active Publication Date: 2020-09-15
THE 28TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP
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  • Application Information

AI Technical Summary

Problems solved by technology

At this stage, the identification process of cloud clusters in satellite cloud images requires very rich professional knowledge, and it is impossible to accurately locate the position of thunderstorm cloud clusters

Method used

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  • Method for identifying thunderstorm cloud clusters in satellite cloud atlas
  • Method for identifying thunderstorm cloud clusters in satellite cloud atlas
  • Method for identifying thunderstorm cloud clusters in satellite cloud atlas

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Embodiment Construction

[0062] Such as Figure 5 As shown, the present invention provides a kind of identification method of thunderstorm cloud group in satellite image, comprises the steps:

[0063] Step 1, image preprocessing;

[0064] Step 2, labeling of meteorological cloud map;

[0065] Step 3, building a convolutional neural network model;

[0066] Step 4, improve the training model;

[0067] Step 1 includes:

[0068] Step 1-1, satellite image data analysis:

[0069] According to the electromagnetic wave wavelength used by the Japanese sunflower meteorological observation satellite in the observation process, the original transmission data of the satellite cloud image is analyzed into an infrared cloud image, and the geographic coordinates in the satellite cloud image are identified according to the method provided by the sunflower meteorological observation satellite data set , continuously represent all positions of the spherical surface of the earth in the plane of the satellite cloud i...

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Abstract

The invention provides a method for identifying thunderstorm cloud clusters in a satellite cloud atlas, and belongs to the field of artificial intelligence application. According to the method, a public satellite cloud atlas data set of a Japanese Himawari satellite is mainly used, a meteorological radar atlas used for thunderstorm early warning at the present stage is compared, characteristics ofthunderstorm clouds in the satellite cloud atlas are learned through a neural network system, and automatic identification of the thunderstorm clouds in the satellite cloud atlas is achieved. The position and range of the thunderstorm cloud cluster can be accurately identified in the satellite cloud atlas, and the application time of the identification process is short. Meanwhile, the convergencealgorithm in the training process of the neural network system is improved, so that the time consumed in the training process of the neural network is shortened, and effective technical support is provided for prediction and early warning of meteorological disasters.

Description

technical field [0001] The invention belongs to the field of artificial intelligence applications, and in particular relates to a method for identifying thunderstorm cloud clusters in satellite cloud images. Background technique [0002] Thunderstorms are local strong convective weather that occur in tropical and temperate regions. Thunderstorms are often accompanied by lightning strikes, lightning, strong winds and significant precipitation. Thunderstorms are characterized by suddenness, high intensity and short duration, and are highly destructive. Identify the geographical location and area of ​​thunderstorm clouds through meteorological data such as weather radar and cloud images, and predict the travel path of thunderstorm clouds, so as to predict the destructive disasters such as lightning strikes and lightning in thunderstorms in advance Predict and prevent, minimize the disasters it brings, and provide effective protection for personal safety and property safety in ...

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Application Information

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IPC IPC(8): G06K9/00G06K9/40G06K9/62G06N3/04G06N3/08
CPCG06N3/084G06V20/13G06V10/30G06N3/045G06F18/241Y02A90/10
Inventor 魏祥陈曦王峰严勇杰毛亿孙蕊聂建强
Owner THE 28TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP