CN109781115A - A kind of map reference identifying system can be improved positioning accuracy - Google Patents
A kind of map reference identifying system can be improved positioning accuracy Download PDFInfo
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- CN109781115A CN109781115A CN201910117465.8A CN201910117465A CN109781115A CN 109781115 A CN109781115 A CN 109781115A CN 201910117465 A CN201910117465 A CN 201910117465A CN 109781115 A CN109781115 A CN 109781115A
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Abstract
A kind of map reference identifying system can be improved positioning accuracy, it is related to field of locating technology.It includes positioning and acquisition terminal, map reference handles control centre, positioning and acquisition terminal include scene acquisition module, scene Recognition module, central processing module, first communication module, scene acquisition module is electrically connected with scene Recognition module, scene Recognition module is electrically connected with central processing module, central processing module is electrically connected with first communication module, it includes second communication module that map reference, which handles control centre, electronic map database, scene characteristic database, second communication module is electrically connected with electronic map database and scene characteristic database respectively, positioning and acquisition terminal are connect by first communication module with second communication module with map reference processing control centre.The positioning method that it is positioned by GPS positioning and scene characteristic, can the accurate display position coordinate on map, effectively improve Positioning System, reduce positioning system position error.
Description
Technical field
The present invention relates to field of locating technology, and in particular to a kind of map reference identification system that can be improved positioning accuracy
System.
Background technique
Navigation system on the market mostly uses greatly global positioning system (GPS) to navigate at present.Pass through what be will test
Be currently located ground longitude and latitude to be compared with the longitude and latitude of electronic map, show current position, recycle current location with it is defeated
The final position entered carries out route search in electronic map, cooks up best route.In the process of moving constantly positioning
The information comparison of information and electric map route, to play the role of navigation.This is very effective in remote navigation, but
It is due to the GPS signal often interference by weather or other environment, error is at several meters to tens meters, therefore small range, example
It navigates as not being available GPS between floors.
Since there are several meters to tens meters of errors for GPS positioning system, so that people rely on positioning system between floors
Be difficult to search out specific position in map, cause positioning system can not easily carry out using.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of ground that can be improved positioning accuracy
Figure coordinate recognition system, it can solve at present since there are several meters to tens meters of errors for GPS positioning system, so that people are building
Build in object and be difficult to search out specific position in map by positioning system, cause positioning system can not facilitate carry out using
Defect.
To achieve the above object, the present invention is using following technical scheme: it includes positioning and acquisition terminal, map reference
Control centre is handled, the positioning and acquisition terminal include scene acquisition module, scene Recognition module, central processing module, the
One communication module, the scene acquisition module and scene Recognition module are electrically connected, the scene Recognition module and central processing
Module is electrically connected, and the central processing module and first communication module are electrically connected, and the map reference handles control centre
Comprising second communication module, electronic map database, scene characteristic database, the second communication module respectively with electronic map
Database and scene characteristic database are electrically connected, and the positioning and acquisition terminal and map reference processing control centre pass through the
One communication module and second communication module communicate to connect.
Further, the positioning and acquisition terminal also include locating module, the locating module and central processing module
It is electrically connected, the locating module is GPS positioning module or Beidou positioning module.
Further, the positioning and acquisition terminal also include route planning module, input module, display module, described
Route planning module is used for the electronic map information transmitted according to user location and conditional information and electronic map database, really
Fixed line；The input module is used for user's input condition information, the display module be used for the route planning module and
The relevant information of the input module carries out display and human-computer interaction.
Further, the scene acquisition module is for being acquired the image information of outdoor scene, the scene Recognition mould
Block sends the real scene image that scene acquisition module acquires to scene characteristic database and carries out characteristic matching.
Further, the electronic map database includes electronic map, location coordinate information, scene characteristic information and position
Set the data information of coordinate information corresponding relationship.
Further, the scene characteristic database includes architectural appearance feature, doorplate feature, marker feature, two dimension
One of code feature is a variety of.
Further, there are mapping relations between the electronic map database and scene characteristic database.
The working principle of the invention: in use, positioning and acquisition terminal are positioned by locating module, and pass through display
Module is shown, while scene acquisition module is acquired the real-time scene image of positioning and acquisition terminal, the field of acquisition
Scape image after scene Recognition resume module with the image of scene characteristic database by being matched, scene characteristic database general
The scene image matched is mapped with electronic map database, so that the location coordinate information of the scene on the electronic map
It is shown in positioning and acquisition terminal, precisely effective positioning is carried out, so that the error of positioning is greatly lowered.
After adopting the above technical scheme, the invention has the following beneficial effects: its structure is simple, design rationally, by GPS positioning and
The Dual positioning mode of scene characteristic positioning, can the accurate display position coordinate on map, effectively raise positioning system
The positioning accuracy of system reduces the position error of positioning system.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of positioning and acquisition terminal in the present invention；
Fig. 3 is the structural schematic diagram of map reference processing control centre in the present invention.
Description of symbols: positioning and acquisition terminal 1, map reference handle control centre 2, scene acquisition module 11, field
Scape identification module 12, central processing module 13, first communication module 14, locating module 15, route planning module 16, input module
17, display module 18, second communication module 21, electronic map database 22, scene characteristic database 23.
Specific embodiment
Referring to shown in Fig. 1-Fig. 3, present embodiment the technical solution adopted is that: it include positioning and acquisition terminal 1,
Map reference handle control centre 2, it is described positioning and acquisition terminal 1 include scene acquisition module 11, scene Recognition module 12, in
Processing module 13, first communication module 14 are entreated, the scene acquisition module 11 is electrically connected with scene Recognition module 12, the field
Scape identification module 12 and central processing module 13 are electrically connected, and the central processing module 13 electrically connects with first communication module 14
It connects, for the scene acquisition module 11 for being acquired to the image information of outdoor scene, the scene Recognition module 12 adopts scene
The real scene image that collection module 11 acquires sends scene characteristic database 23 to and carries out characteristic matching, the map reference processing control
Center 2 includes second communication module 21, electronic map database 22, scene characteristic database 23, the second communication module 21
It is electrically connected respectively with electronic map database 22 and scene characteristic database 23, the positioning and acquisition terminal 1 and map are sat
Mark processing control centre 2 is communicated to connect by first communication module 14 and second communication module 21.
The positioning and acquisition terminal 1 also include locating module 15, the locating module 15 and 13 electricity of central processing module
Property connection, the locating module 15 be GPS positioning module or Beidou positioning module, by 15 pairs of locating module positioning and acquisition eventually
The location information at end 1 is positioned.
The positioning and acquisition terminal 1 also include route planning module 16, input module 17, display module 18, the road
Line planning module 16 is used for the electronic map information transmitted according to user location and conditional information and electronic map database 22,
Determine route；The input module 17 is used for user's input condition information, and the conditional information includes the letter such as departure place, destination
Breath, the display module 18 be used for the relevant information of the route planning module 16 and the input module 17 carry out display and
Human-computer interaction.
The electronic map database 22 includes electronic map, location coordinate information, scene characteristic information and position coordinates
The data information of information corresponding relationship.
The scene characteristic database 23 is comprising in architectural appearance feature, doorplate feature, marker feature, two dimensional code feature
It is one or more.
There are mapping relations between the electronic map database 22 and scene characteristic database 23, are made by mapping relations
The coordinate information for obtaining the matched real scene image information of scene characteristic database 23 can be sat in the position of electronic map database 22
It identifies and shows in mark.
When it is implemented, positioning and acquisition terminal 1 are positioned by locating module 15, and carried out by display module 18
It has been shown that, while the real-time scene image of 11 pairs of scene acquisition module positioning and acquisition terminal 1 is acquired, the scene image of acquisition
It is matched after being handled by scene Recognition module 12 with the image of scene characteristic database 23, the general of scene characteristic database 23
The scene image matched is mapped with electronic map database 22, so that the position coordinates letter of the scene on the electronic map
Breath is shown in positioning and acquisition terminal 1, precisely effective positioning is carried out, so that the error of positioning is greatly lowered.
The above is only used to illustrate the technical scheme of the present invention and not to limit it, and those of ordinary skill in the art are to this hair
The other modifications or equivalent replacement that bright technical solution is made, as long as it does not depart from the spirit and scope of the technical scheme of the present invention,
It is intended to be within the scope of the claims of the invention.
Claims (7)
1. a kind of map reference identifying system that can be improved positioning accuracy, it is characterised in that: it include positioning and acquisition terminal,
Map reference handles control centre, and the positioning and acquisition terminal include scene acquisition module, scene Recognition module, central processing
Module, first communication module, the scene acquisition module and scene Recognition module are electrically connected, and the scene Recognition module is in
Processing module is entreated to be electrically connected, the central processing module and first communication module are electrically connected, the map reference processing control
Center processed include second communication module, electronic map database, scene characteristic database, the second communication module respectively with electricity
Sub- map data base and scene characteristic database are electrically connected, and the positioning and acquisition terminal and map reference handle control centre
It is communicated to connect by first communication module and second communication module.
2. a kind of map reference identifying system that can be improved positioning accuracy according to claim 1, it is characterised in that: institute
It states positioning and acquisition terminal also includes locating module, the locating module and central processing module are electrically connected, the positioning mould
Block is GPS positioning module or Beidou positioning module.
3. a kind of map reference identifying system that can be improved positioning accuracy according to claim 1, it is characterised in that: institute
Stating positioning and acquisition terminal also includes route planning module, input module, display module, and the route planning module is used for basis
User location and conditional information and the electronic map information of electronic map database transmission, determine route；The input module
For user's input condition information, the display module is used to believe the route planning module and the related of the input module
Breath carries out display and human-computer interaction.
4. a kind of map reference identifying system that can be improved positioning accuracy according to claim 1, it is characterised in that: institute
Scene acquisition module is stated for being acquired to the image information of outdoor scene, the scene Recognition module acquires scene acquisition module
Real scene image send to scene characteristic database carry out characteristic matching.
5. a kind of map reference identifying system that can be improved positioning accuracy according to claim 1, it is characterised in that: institute
Stating electronic map database includes electronic map, location coordinate information, scene characteristic information and location coordinate information corresponding relationship
Data information.
6. a kind of map reference identifying system that can be improved positioning accuracy according to claim 1, it is characterised in that: institute
Stating scene characteristic database includes one of architectural appearance feature, doorplate feature, marker feature, two dimensional code feature or more
Kind.
7. a kind of map reference identifying system that can be improved positioning accuracy according to claim 1, it is characterised in that: institute
State between electronic map database and scene characteristic database that there are mapping relations.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910117465.8A CN109781115A (en) | 2019-02-15 | 2019-02-15 | A kind of map reference identifying system can be improved positioning accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910117465.8A CN109781115A (en) | 2019-02-15 | 2019-02-15 | A kind of map reference identifying system can be improved positioning accuracy |
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| CN109781115A true CN109781115A (en) | 2019-05-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907955A (en) * | 2019-12-02 | 2020-03-24 | 王忠亮 | Positioning instrument fault identification system |
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| JP2006119797A (en) * | 2004-10-20 | 2006-05-11 | Sony Ericsson Mobilecommunications Japan Inc | Information providing system and mobile temrinal |
| US20120166074A1 (en) * | 2010-12-23 | 2012-06-28 | Research In Motion Limited | Updating map data from camera images |
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