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Navigation electronic map-based method and device for generating TMC matching table

An electronic map and data matching technology, applied in the field of traffic information services, can solve problems such as large personnel investment, low production efficiency, and difficulty in ensuring data quality, and achieve the effects of reducing personnel investment, ensuring data quality, and improving generation efficiency

Active Publication Date: 2010-06-16
CENNAVI TECH
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Problems solved by technology

[0005] In the process of generating the above-mentioned TMC matching table, the inventors found that the manual or semi-manual method in the prior art would lead to a long production cycle of the matching table, large personnel investment, low production efficiency, and difficult to guarantee the quality of data

Method used

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  • Navigation electronic map-based method and device for generating TMC matching table
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  • Navigation electronic map-based method and device for generating TMC matching table

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] The generation method of the TMC matching table based on the navigation electronic map that the embodiment of the present invention provides, such as figure 1 shown, including:

[0025] S101. Input an electronic map file and a TMC location table file.

[0026] S102. According to the input electronic map file and the TMC location table file, automatically perform matching between each road link and the location point, and assign an attribute value to ea...

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Abstract

The embodiment of the invention provides a navigation electronic map-based method and a navigation electronic map-based device for generating a TMC matching table, which relate to the field of traffic information service and can automatically generate the TMC matching table. The invention adopts the following solution that the method comprises the following steps: inputting an electronic map file and a TMC position table file; automatically matching each link with each position point according to the input electronic map file and TMC position table file; and performing attribute assignment for each link according to a matching relationship so as to acquire the TMC matching table. The embodiment of the invention is used for generating the TMC matching table.

Description

technical field [0001] The invention relates to the field of traffic information services, in particular to a method and device for generating a TMC matching table based on a navigation electronic map. Background technique [0002] TMC (Traffic Message Channel) is the abbreviation of real-time traffic information. It can broadcast real-time traffic and weather information through FM wireless frequency modulation system or mobile wireless network. The data information is provided by the vehicle wireless receiving terminal or navigation equipment equipped with TMC standard. Receive and decode, and provide to the driver to provide effective assistance for driving. [0003] When providing TMC traffic information, it is necessary to complete the production of TMC location table and matching table. Among them, the TMC location table is defined and described according to the international TMC standard and can be used as traffic information in an area (generally a city) to publish ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/30G01C21/32
CPCG08G1/092
Inventor 薛明戴希李建军蒋晟
Owner CENNAVI TECH
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