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Ionized layer plasma bubble airglow image automatic processing method and device

A technology of plasma and processing methods, applied in the field of ionospheric optical imaging, can solve the problems of low processing efficiency of airglow images, achieve automatic processing and improve processing efficiency

Inactive Publication Date: 2021-08-13
NAT UNIV OF DEFENSE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the image preprocessing of plasma bubbles is usually processed manually, and the original image data is large, the efficiency of airglow image processing is low

Method used

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  • Ionized layer plasma bubble airglow image automatic processing method and device
  • Ionized layer plasma bubble airglow image automatic processing method and device
  • Ionized layer plasma bubble airglow image automatic processing method and device

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Embodiment 1

[0056] This embodiment provides a method for automatic processing of ionospheric plasma bubble airglow images, including the following steps: acquiring the original airglow images of plasma bubbles; reading the original airglow images of plasma bubbles in batches to obtain a corresponding number of The number of two-dimensional airglow grayscale images and plasma bubble airglow images; using the image parameter intelligent recognition technology, the two-dimensional airglow grayscale images are adaptively enhanced to obtain enhanced plasma bubble images; Enhance the plasma bubble image to extract the circular template, and perform azimuth correction to obtain the ionospheric plasma bubble image product; batch output the ionospheric plasma bubble image product to a designated folder.

[0057] The batch automatic processing method for ionospheric plasma bubble airglow images of this embodiment performs batch automatic image processing on any number of original airglow images to o...

Embodiment 2

[0081] This embodiment provides an ionospheric plasma bubble airglow image automatic processing device, the device comprising:

[0082] Image acquisition module: used to acquire the original airglow image of the plasma bubble;

[0083] Batch reading module: used to read the original airglow images of the plasma bubbles in batches to obtain a corresponding number of two-dimensional airglow grayscale images and the number of plasma bubble airglow images;

[0084] Image enhancement module: used to utilize image parameter intelligent recognition technology to perform adaptive brightness enhancement on the two-dimensional airglow grayscale image to obtain enhanced plasma bubble images;

[0085] Extraction and correction module: used to extract the enhanced plasma bubble image from a circular template, and perform azimuth correction to obtain an ionospheric plasma bubble image product;

[0086] Batch output module: used to batch output the ionospheric plasma bubble image products t...

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Abstract

The invention discloses an ionized layer plasma bubble airglow image automatic processing method and device, and the method comprises the following steps that optical observation data of an all-day airglow imager are obtained, and data support is provided for the batch processing of airglow images; and according to parameter information in the ionized layer plasma bubble original image, the coordinate position of the zenith is extracted, and the rotation angle required by azimuth correction is calculated; a plurality of existing original airglow images are read in batches, an adaptive image processing algorithm model is constructed, and a clear plasma bubble image product with high resolution is obtained; according to the characteristic of brightness difference of different original airglow images, the airglow original observation data are processed in batches by adopting an image average gray value intelligent identification method and utilizing a self-adaptive image brightness enhancement technology, so that the aim of automatically processing the airglow images is fulfilled. By adopting the airglow image batch automatic image processing method, the problem that a large number of airglow images need to be manually processed and the efficiency is low is solved.

Description

technical field [0001] The invention relates to the technical field of ionospheric optical imaging, in particular to a method and device for automatic processing of ionospheric plasma bubble airglow images. Background technique [0002] Optical observation method is an effective method for large-scale and low-cost observation of plasma bubbles in the ionosphere. The bubble has strong scientific significance and application value. It mainly obtains information such as plasma density and motion related to the emission intensity of the airglow by imaging and observing the airglow at a specific wavelength at the height of the ionosphere, which can reflect the ionospheric plasma The location, structure, size and movement speed of body bubbles and other information. The all-sky airglow imager uses narrow-band filters to extract the intensity information of airglow radiation in the characteristic height region of the middle and upper atmosphere, and uses a high-sensitivity CCD to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T5/00G06T3/40G06T3/60
CPCG06T7/0004G06T3/4007G06T3/60G06T2207/20004G06T5/90
Inventor 汪四成马欣方涵先
Owner NAT UNIV OF DEFENSE TECH
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