Method for monitoring ageing conditions of asphalt pavements based on remote sensing images

A technology for asphalt pavement and remote sensing imagery, used in measurement devices, measurement of scattering properties, material analysis by optical means, etc.

Active Publication Date: 2016-11-16
国交空间信息技术(北京)有限公司 +1
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The method of the present invention proves through the accuracy evaluation tha...

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  • Method for monitoring ageing conditions of asphalt pavements based on remote sensing images
  • Method for monitoring ageing conditions of asphalt pavements based on remote sensing images
  • Method for monitoring ageing conditions of asphalt pavements based on remote sensing images

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Embodiment Construction

[0055] Below in conjunction with accompanying drawing, further describe the present invention through embodiment, but do not limit the scope of the present invention in any way.

[0056] The present invention provides a rapid monitoring and evaluation method for asphalt pavement aging status based on multi-terminal mixed pixel decomposition remote sensing technology, using multi-spectral satellite remote sensing images, and based on multi-terminal mixed pixel decomposition model to quickly and conveniently extract the aging information of asphalt pavement And the assessment of pavement health status can effectively improve the accuracy and applicability of remote sensing technology in the application of asphalt pavement aging condition monitoring, and can be applied to the maintenance investigation and planning of expressway or other road pavement.

[0057] image 3 The flow chart of the method for monitoring the aging condition of asphalt pavement based on the multi-terminal ...

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Abstract

The invention discloses a method for monitoring ageing conditions of asphalt pavements based on remote sensing images. Multispectral satellite remote sensing images are subjected to inversion based on a multiple endmember spectral mixture analysis model and are extracted to obtain an asphalt abundance distribution diagram of the asphalt pavements with the different ageing conditions, so as to obtain monitoring information of the ageing of the asphalt pavements. The method comprises the following steps: selecting the multispectral satellite remote sensing images containing asphalt ageing characteristic spectrum wavebands and classifying endmembers in the remote sensing images; establishing an initial endmember spectrum database, optimizing an endmember spectrum of each surface feature class, and running a multiple endmember linear spectral mixture analysis model to obtain a pixel abundance value of each type of endmember. The method disclosed by the invention can be used for rapidly and conveniently extracting asphalt pavement ageing information and estimating healthy conditions of the pavements, can be used for effectively improving the precision and applicability of the monitoring of the ageing conditions of the asphalt pavements, and can be applied to maintenance survey and planning of the pavements of expressways or other grades of roads.

Description

technical field [0001] The invention relates to road surface detection technology, in particular to a method for monitoring and evaluating the aging condition of asphalt pavement based on remote sensing image technology. Background technique [0002] As a modern transportation channel, highway is playing an increasingly important role in today's social economy, and plays a positive role in promoting logistics, resource development, investment attraction, industrial structure adjustment, and horizontal economic integration along the line. Among them, asphalt roads are widely used because of their advantages of high comfort, high durability, low construction cost, and reusability, especially on expressway roads, which are mostly made of asphalt. However, in the actual operation process, factors such as temperature, moisture, weathering and load will have adverse effects on the entire pavement structure and road surface, causing various road diseases, such as cracks, cracks, ru...

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Application Information

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IPC IPC(8): G01N21/47
CPCG01N21/4738G01N2021/4735G01N2021/4771
Inventor 张显峰潘一凡孙权金续罗伦阳柯
Owner 国交空间信息技术(北京)有限公司
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