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Vehicle positioning method and vehicle positioning apparatus

A vehicle positioning and positioning technology, applied in the field of navigation, can solve problems such as incorrect matching points, and achieve the effect of improving accuracy and navigation efficiency

Active Publication Date: 2015-05-06
TENCENT TECH (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide a navigation and positioning method using pre-stored positioning information to solve the problem in the prior art that the matching point of the starting point on the road is incorrect when determining vehicle navigation

Method used

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  • Vehicle positioning method and vehicle positioning apparatus
  • Vehicle positioning method and vehicle positioning apparatus
  • Vehicle positioning method and vehicle positioning apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] figure 1 The implementation flow of a navigation and positioning method provided by the first embodiment of the present invention is shown, and the details are as follows:

[0030] In step S201, a positioning request is received, and current original positioning information of the vehicle is acquired according to the positioning request.

[0031] Specifically, the positioning request may be a positioning request for the starting position of the navigation when the user initiates a navigation request; it may also be a positioning request for obtaining the current position of the vehicle issued according to a predetermined time period during the driving of the vehicle.

[0032] The method of obtaining the current original positioning information of the vehicle may include satellite positioning system positioning and base station positioning or a combination of the two, wherein satellite positioning has higher positioning accuracy than base station positioning, and the fol...

Embodiment 2

[0048] On the basis of the first embodiment, the embodiment of the present invention further provides a specific process for generating the currently stored positioning information sequence, Figure 4 The implementation flow of the method for generating the currently stored positioning information sequence provided by the second embodiment of the present invention is shown, and the details are as follows:

[0049] In step S401, the latest vehicle positioning information is acquired.

[0050] In the vehicle positioning information at the latest time, the latest time is relative to the current time, searching forward at the current time, and the corresponding time when the first vehicle positioning information is obtained is the latest time. The vehicle positioning information acquired at the latest time is the vehicle positioning information at the latest time.

[0051] In step S402, the latest stored positioning information sequence is obtained.

[0052] The latest time is t...

Embodiment 3

[0082] Figure 5 It is a schematic diagram of the implementation process for correcting the original positioning information provided by the third embodiment of the present invention, that is, the detailed description of step S203 in the first embodiment:

[0083] In step S501, the currently stored positioning information sequence and road information are obtained.

[0084] Specifically, the currently stored positioning information sequence is the same as the currently stored positioning information sequence described in Embodiment 1. The road information includes the shape and position of the road, specifically, coordinate information corresponding to each point in the road.

[0085] In step S502, road adsorption is performed on the vehicle positioning information in the currently stored positioning information sequence.

[0086] According to the existing adsorption algorithm, that is, the vertical projection algorithm, the road adsorption of the vehicle positioning informa...

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Abstract

The present invention belongs to the field of navigation, and provides a navigation positioning method and a navigation positioning apparatus. The method comprises: receiving a positioning request, and acquiring the original positioning information of the current vehicle according to the positioning request; acquiring the currently-stored positioning information sequence, wherein the currently-stored positioning information sequence is the sequence comprising a lot of vehicle positioning information before receiving the positioning request; and according to the currently-stored positioning information sequence, correcting the original positioning information to obtain the final positioning information for determining the current vehicle position. According to the present invention, the navigation positioning information in the embodiments of the present invention can be corrected according to the currently-stored positioning information sequence, such that the detected current vehicle position can be effectively matched to the correct position, and the navigation efficiency can be significantly improved.

Description

technical field [0001] The invention belongs to the field of navigation, in particular to a vehicle positioning method and device. Background technique [0002] When navigating the vehicle through the navigation system, it is necessary to first determine the starting point and end point of the navigation, and then search for a better traffic route according to the starting point and end point. After receiving the confirmation instruction from the user, through the positioning system, you can Real-time navigation of vehicles helps to improve the convenience of vehicle driving. [0003] When determining the starting position of the vehicle or when the vehicle is navigating, the current position of the vehicle is generally detected by a positioning system. Due to the influence of positioning accuracy, there is often a certain deviation between the detected vehicle's current position and the actual position. When matching the detected vehicle's current position to the vehicle's...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/34
CPCG01C21/26
Inventor 李伟征
Owner TENCENT TECH (SHENZHEN) CO LTD
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