Crossroad traffic event automatic detection system based on multi-source information fusion

A technology of multi-source information fusion and traffic incidents, applied in the automatic detection system of traffic incidents and the field of multi-source traffic information collection subsystem, which can solve problems such as deficiencies

Inactive Publication Date: 2010-06-23
PEKING UNIV SHENZHEN GRADUATE SCHOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

To sum up, research teams at home and abroad have not done enough research in the field of automatic detection of traffic incidents involving intersections, and the automatic detection of traffic incidents based on audio technology is still in its infancy.

Method used

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  • Crossroad traffic event automatic detection system based on multi-source information fusion
  • Crossroad traffic event automatic detection system based on multi-source information fusion
  • Crossroad traffic event automatic detection system based on multi-source information fusion

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Embodiment Construction

[0054] The following is a specific implementation case of the traffic event automatic detection system proposed by the present invention. This implementation case does not limit the present invention. For those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and changes can also be made, and these improvements and changes should also be regarded as within the protection scope of the present invention. Inside.

[0055] The multi-angle video surveillance system includes: 1) One omni-directional camera based on catadioptric, including one color camera with rotation control pan / tilt; 2) Four CCD color cameras with intelligent network D1 resolution and 25 frames per second; 3 ) network DVR video recording equipment;

[0056] Microphone array audio information acquisition system includes: based on 8 omnidirectional microphones with good consistency, 8-channel high gain, preamplifier with good consistency and signal proc...

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Abstract

The invention discloses a crossroad traffic event automatic detection system based on multi-source information fusion. The invention aims at urban crossroad traffic management, establishes audio-video traffic information acquisition, traffic information analytical processing and traffic event automatic alarming three subsystems. The invention mainly comprises: designing and realizing an acquisition subsystem of multi-source traffic information (traffic audio information, traffic video information, multi-angle video information, elevation angle video information); realizing a traffic parameter automatic extractive technique based on traffic audio and traffic video; realizing a traffic event (car crash, illegal parking, jam and retrograde motion) automatic detection technique based on the multi-source information fusion; and realizing a software system for traffic event report, traffic event associated video information transmission, and traffic control center display and processing, and forming an integrated crossroad traffic event automatic detection system.

Description

technical field [0001] The present invention relates to the field of intelligent traffic systems. Specifically, the present invention is a set of traffic event automatic detection system aiming at urban crossroad traffic management and integrating three modules of traffic audio and video collection, traffic information processing and analysis, and traffic event automatic alarm. , mainly including: designing and implementing a multi-source traffic information collection subsystem; realizing the automatic extraction technology of traffic parameters based on traffic audio and traffic video; realizing the automatic detection technology of traffic incidents based on multi-source information fusion; realizing the Traffic incident reporting, traffic incident-associated video information transmission, and traffic command center display and processing software system form a complete automatic detection system for intersection traffic incidents based on multi-source information fusion. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/01H04N7/18
Inventor 邹月娴时广轶施行赵璟
Owner PEKING UNIV SHENZHEN GRADUATE SCHOOL
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