River water quality rapid monitoring system based on unmanned aerial vehicle hyperspectral image

A monitoring system and hyperspectral technology, applied in the direction of color/spectral characteristic measurement, etc., can solve problems such as the inability to realize surface dimension and water quality monitoring in large-scale waters, and achieve rapid monitoring, model accuracy and robustness optimization, and low monitoring cost Effect

Inactive Publication Date: 2020-03-17
深圳慧格科技服务咨询有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to provide a rapid river water quality monitoring system based on UAV hyperspectral images to solve the problem that the surface dimension and large-scale water quality monitoring cannot be realized in the background technology mentioned above

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  • River water quality rapid monitoring system based on unmanned aerial vehicle hyperspectral image

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Embodiment 1

[0028] see figure 1 , the present invention provides a technical solution, a rapid river water quality monitoring system based on UAV hyperspectral images, including

[0029] The UAV hyperspectral system is composed of an industry-level UAV platform and an airborne hyperspectrometer. The UAV is equipped with a miniature airborne hyperspectral instrument, and the hyperspectral image of the water body is automatically obtained through the pre-planned route to provide basic image data. ;

[0030] The hyperspectral water quality index inversion model adopts machine learning technology, relies on the water sample test data collected manually in the river and ground spectral data as the original data, and combines the water sample spectral data of various concentration levels configured in the laboratory to build water quality inversion Model, providing calculation basis for water quality inversion;

[0031] The hyperspectral water pollution monitoring system includes four functio...

Embodiment 2

[0048] The invention provides a technical solution, a rapid monitoring system for river water quality based on UAV hyperspectral images, including

[0049] The UAV hyperspectral system is composed of an industry-level UAV platform and an airborne hyperspectrometer. The UAV is equipped with a miniature airborne hyperspectral instrument, and the hyperspectral image of the water body is automatically obtained through the pre-planned route to provide basic image data. ;

[0050] The hyperspectral water quality index inversion model adopts machine learning technology, relies on the water sample test data collected manually in the river and ground spectral data as the original data, and combines the water sample spectral data of various concentration levels configured in the laboratory to build water quality inversion Model, providing calculation basis for water quality inversion;

[0051] The hyperspectral water pollution monitoring system includes four functional modules: radiati...

Embodiment 3

[0068] The invention provides a technical solution, a rapid monitoring system for river water quality based on UAV hyperspectral images, including

[0069] The UAV hyperspectral system is composed of an industry-level UAV platform and an airborne hyperspectrometer. The UAV is equipped with a miniature airborne hyperspectral instrument, and the hyperspectral image of the water body is automatically obtained through the pre-planned route to provide basic image data. ;

[0070] The hyperspectral water quality index inversion model adopts machine learning technology, relies on the water sample test data collected manually in the river and ground spectral data as the original data, and combines the water sample spectral data of various concentration levels configured in the laboratory to build water quality inversion Model, providing calculation basis for water quality inversion;

[0071] The hyperspectral water pollution monitoring system includes four functional modules: radiati...

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Abstract

The invention discloses a river water quality rapid monitoring system based on an unmanned aerial vehicle hyperspectral image. The river water quality rapid monitoring system comprises an unmanned aerial vehicle hyperspectral system, a hyperspectral water quality index inversion model and a hyperspectral water pollution monitoring system. River water body hyperspectral images are obtained throughaerial photography of an unmanned aerial vehicle carrying a micro hyperspectral instrument, and are processed into water body reflectivity images through an image preprocessing system; river water samples are collected and tested to obtain river water sample water quality, and meanwhile, each pollutant concentration water sample is prepared manually in a laboratory; characteristic waveband combinations are selected as related variables for different water quality indexes, and a model for inverting the water quality according to water body spectral information is established; and the unmanned aerial vehicle water body reflectivity images are imported into the water quality inversion model, and calculating is carried out to obtain a water quality index concentration distribution diagram. Thewater quality indexes which can be monitored comprise total phosphorus, ammonia nitrogen, chlorophyll a, COD, BOD5 and turbidity, thereby helping an environmental protection department to know the overall water quality condition and pollution distribution of a river; and the water quality monitoring cost of a water area per unit area is relatively low, and the monitoring efficiency is relativelyhigh.

Description

technical field [0001] The invention belongs to the technical field of water quality monitoring systems, and in particular relates to a rapid river water quality monitoring system based on hyperspectral images of drones. Background technique [0002] At present, the country has implemented relatively strict policies on ecological and environmental protection. Combined with the needs of environmental protection departments for close management and rapid investigation of river water quality, the existing conventional methods of laboratory testing after water sample collection and water quality monitoring station monitoring are at the level of river water quality. In terms of monitoring and effectiveness, it cannot meet the needs of the environmental protection department. Using geographic information and remote sensing technology, combined with the water body spectral images obtained by the high-precision hyperspectrometer equipped on the UAV platform, the water body spectral ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25
CPCG01N21/25
Inventor 魏洁
Owner 深圳慧格科技服务咨询有限公司
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