Urban traffic dispatching system and method based on image fusion in severe weather

A technology of image fusion and urban traffic, applied in the field of urban traffic dispatching, can solve problems such as decreased visibility and inability to obtain road traffic conditions accurately and in a timely manner

Active Publication Date: 2014-06-25
HOHAI UNIV CHANGZHOU
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Problems solved by technology

The traditional traffic dispatching and information release system, which uses cameras to capture road information, is under great pressure due to t

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  • Urban traffic dispatching system and method based on image fusion in severe weather
  • Urban traffic dispatching system and method based on image fusion in severe weather
  • Urban traffic dispatching system and method based on image fusion in severe weather

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Embodiment Construction

[0045] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0046]The urban traffic dispatching system and method based on image fusion of the present invention dispatches based on the traffic conditions of the whole city, has high speed, high accuracy, high efficiency, is less affected by weather, and is very practical in alleviating traffic pressure and traffic dispatching.

[0047] Because its imaging principle is different from optical remote sensing, synthetic aperture radar can penetrate the interference of clouds and fog in the atmosphere to obtain surface information, so it has important application value in severe weather conditions such as haze and heavy rain.

[0048] see figure 1 , an urban traffic dispatching system based on image fusion under bad weather of the present invention includes a tr...

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Abstract

The invention discloses an urban traffic dispatching system and method based on image fusion in severe weather. The system comprises a traffic dispatching center, a synthetic aperture radar and an optical remote sensing radar, wherein the synthetic aperture radar and the optical remote sensing radar are carried on a satellite. The traffic dispatching center comprises an image processing sub-center used for processing real-time images to obtain real-time traffic flow levels of roads and an information issue sub-center used for issuing the real-time traffic flow levels of the roads to vehicle groups. The method includes the steps that image sequences of SAR images and PAN images of a city are shot through the satellite in real time; the images are transmitted and preprocessed; the SAR images and the PAN images are fused; the traffic flow levels of the roads are divided; road information is issued. According to the urban traffic dispatching system and method based on image fusion in severe weather, through image fusion, urban road traffic conditions are recognized and the traffic flow levels of all the roads are evaluated, information is broadcast to vehicles through the traffic dispatching center in real time, and thus urban traffic dispatching is achieved, and traffic jams caused by severe weather can be effectively prevented.

Description

technical field [0001] The invention belongs to the field of urban traffic dispatching, and is a comprehensive application of image fusion technology and urban map-based traffic dispatching technology, and in particular relates to an image fusion-based urban traffic dispatching system and method in bad weather. Background technique [0002] In the past two years, smoggy weather has appeared frequently, the number of vehicles has increased rapidly, road traffic accidents have occurred frequently, and serious congestion has become the focus of people's increasing attention. The traditional traffic dispatching and information release system, which uses cameras to capture road information, is under great pressure due to the fact that visibility is greatly reduced due to the impact of smog, and it cannot obtain road traffic conditions accurately and in a timely manner. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the purpose of the present inv...

Claims

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Application Information

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IPC IPC(8): G06T5/40G06T5/50G06T3/40G06T7/00G08G1/09
Inventor 范新南张继李敏郑併斌史朋飞
Owner HOHAI UNIV CHANGZHOU
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