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Track traffic remote observation system based on image

A rail transit, long-distance technology, applied in the field of image-based rail transit remote observation system, can solve the problem of limited shooting distance of on-board cameras, achieve railway disaster prevention and improve the safety level of urban rail transit, improve redundancy and reliability , The effect of ensuring driving safety

Inactive Publication Date: 2012-01-04
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the shooting distance of the vehicle-mounted camera is limited, and its effective protection distance is within 140 meters

Method used

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  • Track traffic remote observation system based on image
  • Track traffic remote observation system based on image
  • Track traffic remote observation system based on image

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: The system does not include an image processing module, and the vehicle-mounted image receiving and display terminal directly receives and displays the original image sequences of multiple cameras erected along the line in front of the train. Its structure is as follows figure 2 shown. In this case, the vehicle-mounted image receiving and display terminal can obtain images through the ground monitoring center, or directly from the cameras installed along the line, and the driver can directly observe multiple independent image sequences on the vehicle-mounted image receiving and display terminal to judge the front line condition.

Embodiment 2

[0025] Embodiment 2: When the image processing module is used alone on the ground, it constitutes a ground monitoring center. The monitoring center is responsible for the acquisition of line images, image splicing and all the work of vehicle-ground wireless communication. Its structure is as follows image 3 shown. The ground monitoring center is responsible for extracting the image information of the front line from the cameras erected along the line through the network, registering and merging the acquired multiple images to complete the image splicing process, and obtaining the scene information of the front line synthesized by multiple images. The on-vehicle image receiving and display terminal transmits information such as the train position to the ground monitoring center through the wireless network. The ground monitoring center determines the image sequence in front of the train according to the transmitted train position, completes the splicing of the images, and trans...

Embodiment 3

[0026] Embodiment three: when the image processing module is located in the vehicle-mounted image receiving display terminal, the system structure is as follows Figure 4 shown. The difference between this method and the former is that in the process of vehicle-ground communication, the ground monitoring center only determines the image sequence in front of the train to be used according to the transmitted train position, and transmits them to the vehicle-mounted image receiving and display terminal in turn, and the vehicle-mounted image is received and displayed. The terminal finishes splicing and displaying images. In this way, each camera installed along the line can broadcast its own image without the help of the ground monitoring center, and the train can selectively receive and sort the image information according to its own position to complete image splicing and display.

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Abstract

The invention provides a track traffic remote observation system based on an image. The system comprises a line image acquisition module, an image processing module and a vehicle image reception display terminal. The line image acquisition module is composed of cameras which are erected along a line and is responsible for acquiring line images within a certain distance along the line. The vehicle image reception display terminal is responsible for receiving and displaying an original image of the cameras within a certain distance in front of a train or a train front image processed by an image processing center. The image processing module mainly is responsible for processing an image of the cameras which are erected along the line. Beneficial effects of the present invention are as follows: as a supplement of a present vehicle ATP / ATO system which is mainly depend on facilities of a track circuit, a ground responder, a rail side cable and the like, the track traffic remote observation system provides beyond-the-horizon image information for a driver and an automatic driving system simultaneously, and redundancy and reliability of a train operation control system are raised depend on a non track circuit method of performance complementation.

Description

technical field [0001] The invention relates to the field of rail transit train remote observation control, in particular to an image-based rail traffic remote observation system for drivers during train running. Background technique [0002] Due to the vast territory of our country, the railways mostly pass through mountainous and hilly areas, and geological disasters such as mudslides and rockfalls seriously threaten the safety of railway transportation. In recent years, many vicious accidents caused by train derailments have been caused by this. Due to the high speed of the train, the current train driver can only rely on the signals provided by ground facilities such as track circuits, ground transponders, and trackside cables to control the train. Even in plain areas, the driver's binocular field of vision is very limited. Even if factors affecting driving safety are found, it is too late to take measures. In addition to mainline railways, with the increasing size of c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18B61L1/00
Inventor 朱力强宁滨郭保青史红梅
Owner BEIJING JIAOTONG UNIV
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