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Inversion method, device and electronic equipment for green tide space coverage

A technology of spatial coverage and green tide, which is applied in the direction of obtaining spatial resolution, image detector method, image signal processing, and measurement device, can solve overestimation of coverage area and low accuracy of green tide spatial coverage , Can not truly reflect the green tide coverage area and other issues, to achieve the effect of improving accuracy

Active Publication Date: 2022-05-20
NAT SATELLITE OCEAN APPL SERVICE
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Problems solved by technology

Most of the green tide coverage pixels obtained by this method are mixed pixels of green tide and seawater, and the coverage area has a huge overestimation problem, which cannot truly reflect the actual coverage area of ​​green tide. Spatial coverage is less accurate

Method used

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  • Inversion method, device and electronic equipment for green tide space coverage
  • Inversion method, device and electronic equipment for green tide space coverage
  • Inversion method, device and electronic equipment for green tide space coverage

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. the embodiment. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0030]Chlorella, also known as Enteromorpha, is non-toxic and will not have a negative effect on the marine ecological environment, but its accumulation will have a negative impact on the urban landscape, especially if it is not cleaned up in time, it will cause great damage to the activities of ships at sea. influences. At present, green algae has become a global marine ecological disaster. Th...

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Abstract

The invention provides a green tide spatial coverage inversion method, device and electronic equipment. First, according to the acquired optical data of the target observation area, determine the green tide parameters of the target observation area; then according to the green tide parameters and preset Threshold, determine the green tide coverage area in the target observation area; then determine the seawater background parameters corresponding to the green tide coverage area according to the green tide parameters in the surrounding waters of the green tide coverage area; finally, based on the seawater background parameters corresponding to the green tide coverage area and Green tide parameter, which determines the spatial coverage of the area covered by green tide. In the present invention, considering that the green tide coverage area determined by the green tide parameters is actually a mixed area of ​​green tide and seawater, the seawater background parameters of the area are determined through the green tide parameters of the surrounding waters of the green tide coverage area, and then determined The spatial coverage of the green tide coverage area improves the accuracy of the actual coverage area of ​​the green tide obtained from the inversion.

Description

technical field [0001] The invention relates to the technical field of optical ocean remote sensing applications, in particular to an inversion method, device and electronic equipment for green tide space coverage. Background technique [0002] In related technologies, when monitoring green tide based on low-resolution optical satellite data, it is usually based on indexes such as NDVI (Normalized Difference Vegetation Index, normalized difference vegetation index), FAI (Floating algaeindex) or artificial interpretation. Extract information such as green tide coverage area. Most of the green tide coverage pixels obtained by this method are mixed pixels of green tide and seawater, and the coverage area has a huge overestimation problem, which cannot truly reflect the actual coverage area of ​​green tide. Spatial coverage is less accurate. Contents of the invention [0003] In view of this, the object of the present invention is to provide a green tide space coverage inver...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/17G01N21/3577G01N21/359
CPCG01N21/17G01N21/3577G01N21/359G01N2021/1797G01N2021/1765G01N2021/178Y02A90/10
Inventor 石立坚曾韬施英妮张茜鲁云飞梁超冯倩邹斌王其茂
Owner NAT SATELLITE OCEAN APPL SERVICE
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