Water body information extraction method and device for unmanned aerial vehicle visible light image

A technology of water body information and extraction method, which is applied in the direction of computer parts, instruments, character and pattern recognition, etc., and can solve the problems of lack, inability to extract ground object information, and less band information, etc.

Active Publication Date: 2020-01-21
YUNNAN NORMAL UNIV
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Problems solved by technology

Compared with multi-band satellite remote sensing images (such as Landsat 8 OLI), UAV visible light images have higher spatial resolution, but have less band information, and traditional index methods cannot be used to extract ground feature information.
Especially for the extraction of water body information, UAV visible light images lack the near-infrared band (NIR) which is most sensitive to water body information.

Method used

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  • Water body information extraction method and device for unmanned aerial vehicle visible light image
  • Water body information extraction method and device for unmanned aerial vehicle visible light image
  • Water body information extraction method and device for unmanned aerial vehicle visible light image

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[0055]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 and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0056] In view of the lack of information in the visible light band of UAVs in the prior art, it is impossible to use the traditional index method to extract ground feature information. Especially for the extraction of water body information, UAV visible light images lack the near-infrared band (NIR) which is most sensitive to water body informatio...

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Abstract

The invention provides a water body information extraction method and device for an unmanned aerial vehicle visible light image, and the method comprises the steps: carrying out segmentation of the visible light image, so as to generate a segmentation result of the visible light image; extracting initial water body information from the segmentation result by using a differential vegetation index method; and extracting final water body information from the initial water body information according to the average value of a blue band in the visible light image and the standard deviation of the blue band. The water body information and other information can be distinguished in the unmanned aerial vehicle visible light image, so that the water body information can be accurately extracted.

Description

technical field [0001] The present invention relates to the technical field of remote sensing image interpretation, in particular to the technical field of UAV visible light image ground feature information interpretation, and in particular to a water body information extraction method and device for UAV visible light image. Background technique [0002] UAV visible light images have the advantages of high definition and large scale. However, most UAV visible light images only have three bands of red (R), green (G), and blue (B), and UAV images containing only three bands of RGB are called UAV visible light images. Compared with multi-band satellite remote sensing images (such as Landsat 8 OLI), UAV visible light images have higher spatial resolution, but have less band information, and traditional index methods cannot be used to extract ground object information. Especially for the extraction of water body information, UAV visible light images lack the near-infrared band (...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46
CPCG06V20/13G06V10/44G06V10/56
Inventor 段平李佳李晨成李博王云川
Owner YUNNAN NORMAL UNIV
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