A method and device for water bloom recognition based on high spatial resolution images

A high spatial resolution, image technology, applied in the field of electronic information, can solve problems such as recognition, and achieve the effect of high spatial resolution

Active Publication Date: 2019-01-22
INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI
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  • Claims
  • Application Information

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Problems solved by technology

[0004] This application provides a method and device for identifying water blooms based on high spatial resolution images, the purpose of which is to solve the problem of how to identify water blooms from high spatial resolution satellite images

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  • A method and device for water bloom recognition based on high spatial resolution images
  • A method and device for water bloom recognition based on high spatial resolution images
  • A method and device for water bloom recognition based on high spatial resolution images

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Embodiment Construction

[0043] A method and device for identifying water blooms based on high-spatial-resolution images disclosed in the embodiments of the present application can be applied in the process of remote sensing to identify targets in water bodies. Identify bloom areas.

[0044] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0045] A water bloom recognition method based on high spatial resolution images disclosed in the embodiment of the present application, such as figure 1 shown, including the following steps:

[0046] S101: Obtain a target ar...

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Abstract

The present application provides a water bloom identification method and device based on high spatial resolution images, by segmenting high spatial resolution remote sensing images of water areas to obtain target areas, marking target spots in the target areas, and the target The picture spots include water bloom picture spots and / or water grass picture spots, and extract the gradient texture features of the target picture spots, and identify the picture spots that meet the preset conditions as water bloom picture spots, and the preset conditions include that the gradient texture feature is less than its The corresponding preset threshold, because high spatial resolution images have higher spatial resolution, can better reflect the spatial texture characteristics of different ground objects, and because algae blooms and aquatic plants present different spatial distribution characteristics in water bodies, Therefore, the method and device described in this embodiment, based on the characteristics of high-spatial-resolution remote sensing images, can realize the purpose of identifying algae blooms from target patches after segmenting and marking the high-spatial-resolution remote sensing images .

Description

technical field [0001] The present application relates to the field of electronic information, in particular to a method and device for identifying water blooms based on high spatial resolution images. Background technique [0002] The water bloom monitoring and identification technology based on remote sensing technology is widely used, and the water bloom identification results of high spatial resolution (spatial resolution is generally greater than 10m) satellite images have high accuracy, but the spectral resolution of high spatial resolution satellite images is generally relatively low , the number of bands is small and the response range is wide, while water blooms and aquatic plants have similar spectral curves, and the subtle spectral differences of water blooms and aquatic plants around 650nm cannot be identified purely based on low spectral resolution image data, so that it is impossible to distinguish between water blooms and aquatic plants . [0003] Therefore, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00
CPCG06V20/188
Inventor 张兵申茜张方方李俊生梁文秀
Owner INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI
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