Method and device for establishing water body classification model

A technology for classification models and establishment methods, which is applied in character and pattern recognition, instruments, and measurement of scattering characteristics. It can solve problems such as poor timeliness and high cost of determining water body categories, and achieve high accuracy and good timeliness.

Inactive Publication Date: 2017-08-08
SATELLITE ENVIRONMENT CENT MINIST OF ENVIRONMENTAL PROTECTION
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[0005] In view of this, the present invention provides a method and device for establishing a water body classification model to overcome the problems of high c

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  • Method and device for establishing water body classification model
  • Method and device for establishing water body classification model
  • Method and device for establishing water body classification model

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[0061] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0062] figure 1 For the first flowchart of the establishment method of the water body classification model disclosed in the embodiment of the present invention, see figure 1 As shown, the method may include:

[0063] Step 101: Obtain the measured remote sensing reflectance spectrum;

[0064] The reflectance spectrum (Rrs) is the remote sensing reflectance of water body after removal of sky light. The interval of Rrs is 1nm, the spectral range includes 400nm...

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Abstract

The invention discloses a method and device for establishing a water body classification model. The method for establishing the water body classification model comprises: classifying an actually measured remote sensing reflectivity spectrum into N classes by a clustering algorithm; and then determining N water body classes corresponding to N reflectivity spectrum classes in combination with a water quality parameter and an inherent optical quantity, determining a sensitive waveband in a remote sensing image waveband range for each reflectivity spectrum class, associating the water body classes corresponding to the reflectivity spectrum with the sensitive wavebands; and finally generating a water body classification decision tree model. The method and device for establishing the water body classification model can be applied to image water body classification. A user can obtain the class of the water body directly by means of the water body classification decision tree model according to the remote sensing image data of the water body, and is not required to carry out actual measurement and experiments in the field and a laboratory. The method and device are simple, convenient, and good in timeliness.

Description

technical field [0001] The invention relates to the technical field of water body classification of inland lakes, and more specifically relates to a method and device for establishing a water body classification model. Background technique [0002] Research on water classification of inland lakes can help people better understand the composition and characteristics of water bodies, and is of great significance to water body environmental protection and industrial production water use. [0003] The water body of inland lakes is composed of various components. Usually, the water body is divided into different categories according to the content of the water body components. The main components of inland lake water are pure water, phytoplankton, non-algae suspended particles and yellow substances, etc. The substances that affect the color and reflectance of water mainly include phytoplankton, non-algae particles and yellow substances. In the existing technology, the classifica...

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Application Information

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IPC IPC(8): G06K9/62G01N21/55
CPCG01N21/55G06F18/2323G06F18/23213G06F18/24
Inventor 王桥朱利王雪蕾吴迪陈继伟赵焕韦济安
Owner SATELLITE ENVIRONMENT CENT MINIST OF ENVIRONMENTAL PROTECTION
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