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Method and apparatus for extracting land cover information in remote sensing image

A remote sensing image and coverage technology, which is applied in the direction of instruments, character and pattern recognition, computer components, etc., can solve problems such as inaccurate identification of land cover information, and achieve the effect of improving the extraction accuracy

Inactive Publication Date: 2015-08-26
SATELLITE ENVIRONMENT CENT MINIST OF ENVIRONMENTAL PROTECTION
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Problems solved by technology

[0004] In view of this, the embodiments of the present invention provide a method and device for extracting land cover information in remote sensing images, which can solve the problem of inaccurate identification of land cover information in remote sensing images in the prior art

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  • Method and apparatus for extracting land cover information in remote sensing image
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  • Method and apparatus for extracting land cover information in remote sensing image

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Embodiment Construction

[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] Such as figure 1 As shown, this embodiment discloses a method for extracting land cover information in remote sensing images, including:

[0017] S1. Obtain the remote sensing image of the land cover information to be extracted;

[0018] S2. Based on the thematic layer, the remote sensing image is segmented using the multi-resolution image segmentation method a...

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Abstract

The invention discloses a method and apparatus for extracting land cover information in a remote sensing image. With the method and apparatus, a problem of inaccurate land cover information identification in the remote sensing image in the prior art can be solved. The method comprises: obtaining a remote sensing image whose land cover information is going to be extracted; on the basis of a thematic layer, carrying out segmentation on the remote sensing image by using a multi-resolution image segmentation method and a nearest neighboring classification method and extracting information of a river, a lake, an intertidal zone, a low-light-reflection building, a high-light-reflection building, middle-low cover vegetation and / or high cover vegetation.

Description

technical field [0001] The invention relates to the field of environmental monitoring, in particular to a method for extracting land cover information from remote sensing images. Background technique [0002] With the change of the environment and the development of the economy, it is necessary to identify land classification information on remote sensing images in many occasions, such as land classification information monitoring and environmental monitoring. [0003] The common land classification information recognition method for remote sensing images is based on the pixel-based land cover information recognition method, based on statistical principles, on the premise that the training samples follow the normal distribution, and only use the spectral information of the pixel itself or a certain window around the pixel The texture information in the environment focuses too much on the part, it is difficult to integrate semantic information, and there is a lack of topologi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/46G06K9/66
Inventor 孙中平熊文成王昌佐游代安史园莉曹飞姜俊张雪初东
Owner SATELLITE ENVIRONMENT CENT MINIST OF ENVIRONMENTAL PROTECTION
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