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Method and device for matching maps of floating car data

A floating car data and map matching technology, applied in the field of communication, can solve the problem of low accuracy of GPS map matching, and achieve the effect of improving speed and accuracy

Inactive Publication Date: 2012-10-03
CENNAVI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Embodiments of the present invention provide a method and device for matching floating car data and maps, which solves the problem of low accuracy of current GPS map matching

Method used

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  • Method and device for matching maps of floating car data
  • Method and device for matching maps of floating car data

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Embodiment Construction

[0029] 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 creative efforts fall within the protection scope of the present invention.

[0030] In order to increase the speed of map matching of floating car data, an incremental map matching method is used in the prior art for floating car data map matching, but the accuracy of incremental map matching is low.

[0031] In order to solve the problem of low map matching accuracy of floating car data, a global map matching method can be used for floating car data map matching.

[0032] Furthermore, in order to solve the problem that the matching speed o...

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PUM

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Abstract

The invention provides a method and a device for matching maps of floating car data and relates to the technical field of communication. A problem of less accuracy in the traditional GPS (Global Positioning System) is solved. The method can comprises the following steps: at least one track segment matching server is used for respectively receiving information of all track points which are transmitted by a track data server and contained in track segments bound in the corresponding track segment matching server; at least one track segment server is used for respectively matching map for the bound track segments according to the received information of the track points and acquiring a matching result of the track segments; and at least one track segment matching server is used for transmitting the matching result of the track segments to a global map matching server, so that the global map matching server is used for matching a global map according to the received matched results of all track segments. And the method and the device for matching maps of floating car data can be used for matching maps.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for matching floating car data maps. Background technique [0002] Floating car technology can regularly send GPS track point information to the central processor for the GPS (Global Positioning System) receiver installed on the floating car, so that the central processor can perform map matching, Analyze road traffic conditions, etc. [0003] Wherein, track point can be used for describing the virtual identification point that GPS receiver sends GPS track point information, and GPS track point information can comprise: Floating car ID (Identity, identity identification number), GPS longitude and latitude, GPS speed, GPS azimuth, timestamp etc. [0004] Map matching is to correct the current GPS position of the floating car equipped with GPS through technical means such as GPS coordinates, heading, and road network topology. That is to say, it is to m...

Claims

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Application Information

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IPC IPC(8): G01S19/39
Inventor 邓春柏蒋晟
Owner CENNAVI TECH
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