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Study of City Electronic Map Integrated Real-time Traffic Information with

Author: XiaoRui
Tutor: LiHong
School: Changsha University of Science and Technology
Course: Traffic Information Engineering \u0026 Control
Keywords: Navigation electronic map Intelligent Transportation Systems Real-time traffic information Map-matching algorithm Dynamic Segmentation Level of detail technology
CLC: P228.4
Type: Master's thesis
Year: 2011
Downloads: 63
Quote: 1
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Modern society, the increasing traffic pressure , Intelligent Transportation Systems (ITS) has become the most important means to solve this problem . The vehicle navigation system is an important part in the ITS field , has become the research focus at home and abroad . The vehicle navigation system can not do without the support of the electronic map of urban transport : the vehicle client load navigation electronic map is used to display network traffic information and support for path planning ; traffic information center by electronic traffic maps global analysis of the city 's traffic conditions , and thus rational allocation of traffic flow . Users with real-time traffic information center interaction, and ultimately the formation of a safe, comfortable, and convenient transportation environment . With the growing number of city vehicles , based on dynamic road impedance path search has practical value. Traditional navigation electronic map better reflects the static traffic information, but the lack of a description of the real-time traffic information . To meet the demand for dynamic navigation function , we must develop a dynamic navigation electronic map . This article is as the motivation of the study of an electronic map of the real - time traffic information express issues related to technical problems . Text of the study is based on a static navigation electronic map , real-time traffic information integrated into one. The focus of this article , as described below : 1. Study the production of static navigation electronic map technology and innovation . Organizations navigation electronic map of the vector data structure of spatial data and design attributes describe the road network connectivity , navigation electronic map produced according to the production process ; 2. GPS technology research . GPS location data is not only one of the real-time traffic information sources to provide accurate start and end point coordinates for path planning . On the basis of the introductory positioning principle and coordinate conversion technologies , we propose a screen display of the positioning point to verify the effectiveness of the algorithm and experimental sports car based on the weight of arcs map-matching algorithm . Explore real-time traffic information visualization technology, using a combination of technical means of linear reference methods and dynamic segmentation technology . In addition, we use the level of detail ( LOD ) of the multi-scale expression of the real-time traffic information technology .

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > Geodesy > Satellite geodesy and space geodesy > Global Positioning System (GPS)
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