CN102122435B - Method and device for positioning traffic event information - Google Patents
Method and device for positioning traffic event information Download PDFInfo
- Publication number
- CN102122435B CN102122435B CN201110066600.4A CN201110066600A CN102122435B CN 102122435 B CN102122435 B CN 102122435B CN 201110066600 A CN201110066600 A CN 201110066600A CN 102122435 B CN102122435 B CN 102122435B
- Authority
- CN
- China
- Prior art keywords
- traffic
- event information
- information
- map
- traffic event
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
- G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
- G08G1/09675—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Instructional Devices (AREA)
Abstract
The embodiment of the invention discloses a method and a device for positioning traffic event information. The method comprises the following steps of: loading a map file and displaying a visual map during initialization of a system; receiving entered traffic event information; and positioning the traffic event information through the visual map and real-time traffic information. The method and the device are suitable for positioning the traffic event information.
Description
Technical field
The present invention relates to transport information processing technology field, particularly a kind of traffic event information localization method and device.
Background technology
Conventionally, often there will be traffic events in road, such as traffic control, no through traffic, traffic hazard etc. occurs, these traffic events can exert an influence to travelling of Floating Car.When certain road is when no through traffic, because the map match mistake of vehicle GPS can cause the driving path of vehicle not conform to the actual conditions, thereby can produce traffic flow on this road, this situation is unallowed, traffic flow need to be made as to nothing.When certain road generation traffic hazard, the state that can cause this road is for slowly or block up, and this just need to carry out checking and debugging by the road condition after calculating by traffic flow.
Owing to need to the telecommunication flow information of road being carried out to checking and debugging by event information, so the positioning precision of event information is very crucial.At present, when event information typing, by path search index table and typing road name, mate, thus the position of definite traffic event information.
In realizing process of the present invention, inventor finds that in prior art, at least there are the following problems:
Because being mates by path search index table and typing road name, so cannot accurately locate the position of traffic event information, the Node that is generally positioned at Link is upper, and the positioning precision of traffic event information is not high.
Summary of the invention
Embodiments of the invention provide a kind of traffic event information localization method and device, can improve the positioning precision of traffic event information.
The technical scheme that the embodiment of the present invention adopts is:
A traffic event information localization method, comprising:
When system initialization, be written into map file display of visually map;
Receive the traffic event information of institute's typing;
By described visualized map and Real-time Traffic Information, described traffic event information is positioned.
A traffic event information locating device, comprising:
Display module, for when the system initialization, is written into map file display of visually map;
Receiver module, the traffic event information of typing for receiving;
Locating module, for by described visualized map and Real-time Traffic Information, positions described traffic event information.
Traffic event information localization method and device that the embodiment of the present invention provides, when system initialization, be written into map file display of visually map; Receive the traffic event information of institute's typing; By described visualized map and Real-time Traffic Information, described traffic event information is positioned.Compared with prior art, the embodiment of the present invention is auxiliary by visualized map and Real-time Traffic Information, can accurately locate traffic event information, thereby can improve the positioning precision of traffic event information, guarantee the accuracy of traffic event information, can guarantee the accuracy of traffic events and traffic flow verification simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The method flow diagram that Fig. 1 provides for the embodiment of the present invention one;
The method flow diagram that Fig. 2 provides for the embodiment of the present invention two;
The demonstration result of the visualized map that Fig. 3 provides for the embodiment of the present invention two and traffic event information show result schematic diagram;
The apparatus structure schematic diagram that Fig. 4, Fig. 5 provide for the embodiment of the present invention three.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
For making the advantage of technical solution of the present invention clearer, below in conjunction with drawings and Examples, the present invention is elaborated.
Embodiment mono-
The present embodiment provides a kind of traffic event information localization method, and as shown in Figure 1, described method comprises:
101,, when system initialization, be written into map file display of visually map.
102, receive the traffic event information of institute's typing.
103, by described visualized map and Real-time Traffic Information, described traffic event information is positioned.
The traffic event information localization method that the embodiment of the present invention provides, when system initialization, is written into map file display of visually map; Receive the traffic event information of institute's typing; By described visualized map and Real-time Traffic Information, described traffic event information is positioned.Compared with prior art, the embodiment of the present invention is auxiliary by visualized map and Real-time Traffic Information, can accurately locate traffic event information, thereby can improve the positioning precision of traffic event information, guarantee the accuracy of traffic event information, can guarantee the accuracy of traffic events and traffic flow verification simultaneously.
Embodiment bis-
The present embodiment provides a kind of traffic event information localization method, and as shown in Figure 2, described traffic event information localization method comprises:
201,, when system initialization, be written into map file display of visually map.
When system initialization, by the secondary development of ArcGIS or MapInfo software, the disposable map that is written into, reads in internal memory by map file.Map is drawn while showing, by the big or small real-time calling related data of display window, draws, and can improve display efficiency like this.
Wherein, map operation function comprises amplification, dwindles, translation, range observation, inquiry and location, Link choose etc.Query function is mainly the traffic events clicking on map, particular content is presented in the traffic event information display box on the right, inquires about and confirms; Location is mainly on map, to click a location point, obtains coordinate information, thereby determines the position of traffic event information; It is mainly one or more Link that chooses traffic event information impact that Link chooses, thereby sets up the Link series associated with this traffic event information.
As shown in Figure 3, for drawing of visualized map shows result and traffic event information display box.
202, typing traffic event information.
Particularly, typing traffic event information can adopt following two kinds of modes: a kind of is manually by broadcast listening, the modes such as newspaper information, artificial report of reading, to carry out manual typing; Another kind is automatically to download the traffic event information on traffic website by web crawlers program, automatically carries out semantic participle, finds out relevant keyword automatic filling to corresponding attribute field in traffic event information typing frame.
Traffic event information because imperfection and the inaccuracy, particularly web crawlers of traffic event information typing are resolved automatically, therefore needs manual examination and verification and inspection to confirm, guarantees integrality and the accuracy of traffic event information.
Because the traffic events position providing in traffic event information just illustrates which bar road cross is on which bar road cross or certain road, there is no concrete Link series or latitude and longitude coordinates, so can not accurately navigate to the particular location of traffic events or the Link series of this traffic events impact when typing.In order to improve the positioning precision of traffic event information, need to carry out auxiliary positioning by visualized map and in conjunction with Real-time Traffic Information.
203,, according to the positional information of describing in traffic event information, determine the preliminary position that this traffic events occurs.
Particularly, by the positional information of describing in traffic event information, on map, find this position enlarged map, just can see the road name of every Link, contrast with the positional information of describing in traffic event information, just can substantially determine the preliminary position that this traffic events occurs.
204, be written into the Real-time Traffic Information page, the preliminary position of finding this traffic events to occur on the described Real-time Traffic Information page, obtains near the real-time traffic situation in this preliminary position.
205,, according near the real-time traffic situation described traffic event information and this preliminary position, determine the accurate location that described traffic events occurs.
Particularly, owing to there is traffic events on the road, for example during car accident, the traffic of this road can be generally slowly or block up, can not be unimpeded.Based on this principle, in conjunction with the real-time traffic situation of road, just can navigate to more exactly the position that event occurs.
206, the accurate location occurring according to described traffic events is determined the particular location that described traffic events occurs on described visualized map.
Particularly, for an event, for example car accident is clicked on certain Link by mouse on map, navigates to certain location point on this Link, just can determine the particular location that this event occurs; For section event, for example traffic control is clicked many Link by mouse on map, just can determine many sections that this event affects, i.e. Link series.
207, described traffic event information is preserved.
Particularly, by the save button on the system page, described traffic event information is deposited in database.
The traffic event information localization method that the embodiment of the present invention provides, when system initialization, is written into map file display of visually map; Receive the traffic event information of institute's typing; By described visualized map and Real-time Traffic Information, described traffic event information is positioned.Compared with prior art, the embodiment of the present invention is auxiliary by visualized map and Real-time Traffic Information, can accurately locate traffic event information, thereby can improve the positioning precision of traffic event information, guarantee the accuracy of traffic event information, can guarantee the accuracy of traffic events and traffic flow verification simultaneously.
Embodiment tri-
The present embodiment provides a kind of traffic event information locating device, and as shown in Figure 4, described device comprises:
Display module 41, for when the system initialization, is written into map file display of visually map;
Receiver module 42, the traffic event information of typing for receiving;
Locating module 43, for by described visualized map and Real-time Traffic Information, positions described traffic event information.
Further, as shown in Figure 5, described locating module 43 can comprise:
The first determining unit 431, for the positional information of describing according to described traffic event information, determines the preliminary position that described traffic events occurs;
Acquiring unit 432, for being written into the Real-time Traffic Information page, the preliminary position of finding described traffic events to occur on the described Real-time Traffic Information page, obtains near the real-time traffic situation in described preliminary position;
The second determining unit 433, for according near the real-time traffic situation described traffic event information and described preliminary position, determines the accurate location that described traffic events occurs;
The 3rd determining unit 434 for the accurate location occurring according to described traffic events, is determined the particular location that described traffic events occurs on described visualized map.
Further, described the first determining unit 431, specifically for by the positional information of describing in described traffic event information, on described visualized map, find described position, determine the road name of every Link, the road name of every Link is contrasted with the positional information of describing in described traffic event information, determine the preliminary position that described traffic events occurs.
Further, when described traffic events is for point is during event, described the 3rd determining unit 434, specifically for by clicking on a Link of described visualized map, navigate to the location point on described Link, determine the particular location that described traffic events occurs.
When the described traffic events section of being event, described the 3rd determining unit 434, specifically for by clicking on many Link of described visualized map, navigates to many Link, determines many sections that described traffic events affects.
The traffic event information locating device that the embodiment of the present invention provides, when system initialization, is written into map file display of visually map; Receive the traffic event information of institute's typing; By described visualized map and Real-time Traffic Information, described traffic event information is positioned.Compared with prior art, the embodiment of the present invention is auxiliary by visualized map and Real-time Traffic Information, can accurately locate traffic event information, thereby can improve the positioning precision of traffic event information, guarantee the accuracy of traffic event information, can guarantee the accuracy of traffic events and traffic flow verification simultaneously.
The above-mentioned embodiment of the method providing can be provided the traffic event information locating device that the embodiment of the present invention provides, and concrete function is realized and referred to the explanation in embodiment of the method, does not repeat them here.Traffic event information localization method and device that the embodiment of the present invention provides go for traffic event information to position, but are not limited only to this.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, to come the hardware that instruction is relevant to complete by computer program, described program can be stored in a computer read/write memory medium, this program, when carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (8)
1. a traffic event information localization method, is characterized in that, comprising:
When system initialization, be written into map file display of visually map;
Receive the traffic event information of institute's typing; Wherein, the traffic event information of described reception institute typing comprises the traffic event information on automatic download traffic website, and described traffic event information is carried out to semantic participle, find out keyword automatic filling to corresponding attribute field in traffic event information typing frame;
By described visualized map and Real-time Traffic Information, described traffic event information is positioned, specifically comprise: according to the positional information of describing in described traffic event information, determine the preliminary position that described traffic events occurs; Be written into the Real-time Traffic Information page, the preliminary position of finding described traffic events to occur on the described Real-time Traffic Information page, obtains near the real-time traffic situation in described preliminary position; According near the real-time traffic situation described traffic event information and described preliminary position, determine the accurate location that described traffic events occurs; The accurate location occurring according to described traffic events clicks by mouse the particular location of determining that described traffic events occurs on described visualized map.
2. method according to claim 1, is characterized in that, described according to the positional information of describing in described traffic event information, determines that the preliminary position that described traffic events occurs is specially:
By the positional information of describing in described traffic event information, on described visualized map, find described position, determine the road name of every Link;
The road name of every Link is contrasted with the positional information of describing in described traffic event information, determine the preliminary position that described traffic events occurs.
3. method according to claim 2, it is characterized in that, when described traffic events is some event, the described accurate location occurring according to described traffic events, on described visualized map, by mouse, click and determine that the particular location that described traffic events occurs comprises:
By mouse, on a Link of described visualized map, click, navigate to the location point on described Link, determine the particular location that described traffic events occurs.
4. method according to claim 2, it is characterized in that, when the described traffic events section of being event, the described accurate location occurring according to described traffic events, on described visualized map, by mouse, click and determine that the particular location that described traffic events occurs comprises:
By mouse, on many Link of described visualized map, click, navigate to many Link, determine many sections that described traffic events affects.
5. a traffic event information locating device, is characterized in that, comprising:
Display module, for when the system initialization, is written into map file display of visually map;
Receiver module, the traffic event information of typing for receiving; Wherein, described receiver module is for automatically downloading the traffic event information on traffic website, and described traffic event information is carried out to semantic participle, finds out keyword automatic filling to corresponding attribute field in traffic event information typing frame;
Locating module, for by described visualized map and Real-time Traffic Information, described traffic event information is positioned, described locating module comprises: the first determining unit, for the positional information of describing according to described traffic event information, determine the preliminary position that described traffic events occurs; Acquiring unit, for being written into the Real-time Traffic Information page, the preliminary position of finding described traffic events to occur on the described Real-time Traffic Information page, obtains near the real-time traffic situation in described preliminary position; The second determining unit, for according near the real-time traffic situation described traffic event information and described preliminary position, determines the accurate location that described traffic events occurs; The 3rd determining unit for the accurate location occurring according to described traffic events, clicks by mouse the particular location of determining that described traffic events occurs on described visualized map.
6. device according to claim 5, it is characterized in that, described the first determining unit, specifically for by the positional information of describing in described traffic event information, on described visualized map, find described position, determine the road name of every Link, the road name of every Link is contrasted with the positional information of describing in described traffic event information, determine the preliminary position that described traffic events occurs.
7. device according to claim 5, it is characterized in that, when described traffic events is some event, described the 3rd determining unit, specifically for clicking on a Link of described visualized map by mouse, navigate to the location point on described Link, determine the particular location that described traffic events occurs.
8. device according to claim 5, it is characterized in that, when the described traffic events section of being event, described the 3rd determining unit, specifically for clicking on many Link of described visualized map by mouse, navigate to many Link, determine many sections that described traffic events affects.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110066600.4A CN102122435B (en) | 2011-03-18 | 2011-03-18 | Method and device for positioning traffic event information |
| PCT/CN2011/077699 WO2012126230A1 (en) | 2011-03-18 | 2011-07-27 | Method and device for positioning traffic event information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110066600.4A CN102122435B (en) | 2011-03-18 | 2011-03-18 | Method and device for positioning traffic event information |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102122435A CN102122435A (en) | 2011-07-13 |
| CN102122435B true CN102122435B (en) | 2014-09-17 |
Family
ID=44250982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110066600.4A Active CN102122435B (en) | 2011-03-18 | 2011-03-18 | Method and device for positioning traffic event information |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102122435B (en) |
| WO (1) | WO2012126230A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122435B (en) * | 2011-03-18 | 2014-09-17 | 北京世纪高通科技有限公司 | Method and device for positioning traffic event information |
| DE102011082678A1 (en) * | 2011-09-14 | 2013-03-14 | Robert Bosch Gmbh | Method and apparatus for determining a driving recommendation for a vehicle and method and apparatus for providing a driving recommendation for a vehicle |
| CN102509451B (en) * | 2011-10-17 | 2014-01-29 | 北京世纪高通科技有限公司 | Method and device for obtaining information of traffic incident |
| CN102521969B (en) * | 2011-12-20 | 2014-02-26 | 北京世纪高通科技有限公司 | Positioning method of traffic event information and apparatus thereof |
| CN103631776B (en) * | 2012-08-20 | 2017-07-25 | 同济大学 | The automatic record and localization method of semantic expression information of traffic accident site |
| CN110060472B (en) * | 2019-04-09 | 2020-12-15 | 浙江大华技术股份有限公司 | Road traffic event positioning method, system, readable storage medium and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005134429A (en) * | 2003-10-28 | 2005-05-26 | Pioneer Electronic Corp | Device, system, method, and program for notifying traffic condition, and recording medium with the program recorded thereon |
| CN1656357A (en) * | 2002-03-28 | 2005-08-17 | 松下电器产业株式会社 | Relative position information correction device, relative position information correction method, relative position information correction program, shape vector generation device, shape vector generat |
| CN101226685A (en) * | 2007-11-20 | 2008-07-23 | 东南大学 | Method for acquisition and treatment of road traffic accident data |
| CN101581585A (en) * | 2009-06-17 | 2009-11-18 | 深圳市凯立德计算机***技术有限公司 | Walk-based navigation device and navigation method |
| CN101763605A (en) * | 2010-01-28 | 2010-06-30 | 成都东哈科技有限公司 | Three-dimensional digital urban fire protection pre-control and management system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100357987C (en) * | 2005-06-02 | 2007-12-26 | 上海交通大学 | Method for obtaining average speed of city rode traffic low region |
| US8762035B2 (en) * | 2008-05-19 | 2014-06-24 | Waze Mobile Ltd. | System and method for realtime community information exchange |
| CN101359429A (en) * | 2008-08-27 | 2009-02-04 | 铁宇国际运输(天津)有限公司 | Vehicle conveyance system and working method thereof based on GPS and GIS |
| CN101894151B (en) * | 2010-06-24 | 2012-06-06 | 北京世纪高通科技有限公司 | Method and device for acquiring event information |
| CN102122435B (en) * | 2011-03-18 | 2014-09-17 | 北京世纪高通科技有限公司 | Method and device for positioning traffic event information |
-
2011
- 2011-03-18 CN CN201110066600.4A patent/CN102122435B/en active Active
- 2011-07-27 WO PCT/CN2011/077699 patent/WO2012126230A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1656357A (en) * | 2002-03-28 | 2005-08-17 | 松下电器产业株式会社 | Relative position information correction device, relative position information correction method, relative position information correction program, shape vector generation device, shape vector generat |
| JP2005134429A (en) * | 2003-10-28 | 2005-05-26 | Pioneer Electronic Corp | Device, system, method, and program for notifying traffic condition, and recording medium with the program recorded thereon |
| CN101226685A (en) * | 2007-11-20 | 2008-07-23 | 东南大学 | Method for acquisition and treatment of road traffic accident data |
| CN101581585A (en) * | 2009-06-17 | 2009-11-18 | 深圳市凯立德计算机***技术有限公司 | Walk-based navigation device and navigation method |
| CN101763605A (en) * | 2010-01-28 | 2010-06-30 | 成都东哈科技有限公司 | Three-dimensional digital urban fire protection pre-control and management system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012126230A1 (en) | 2012-09-27 |
| CN102122435A (en) | 2011-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102122435B (en) | Method and device for positioning traffic event information | |
| CN103631776B (en) | The automatic record and localization method of semantic expression information of traffic accident site | |
| CN103149577B (en) | The Combinated navigation method that " Big Dipper " navigation, GPS navigation and historical data merge | |
| US11473926B2 (en) | Method and apparatus for displaying road names, and storage medium | |
| CN109872392B (en) | Man-machine interaction method and device based on high-precision map | |
| KR101609679B1 (en) | Apparatus for map matching of navigation using planar data of road and method thereof | |
| CN102410838A (en) | Navigation method for navigation terminal and navigation terminal | |
| CN111380546A (en) | Vehicle positioning method and device based on parallel road, electronic equipment and medium | |
| CN101561494A (en) | Intelligent positioning correcting system and method | |
| CN105628035A (en) | Walking navigation method and apparatus | |
| CN103323017A (en) | Navigation method and device | |
| CN104750879A (en) | Electronic map labelling, claiming and error-correcting method and processing equipment | |
| JP2010128883A (en) | Device for providing place-related information, and method and program for providing place-related information | |
| CN102331578B (en) | Navigation information transmission method as well as navigation server and position service terminal | |
| CN106326448A (en) | GIS (geographic information system) information collecting method and system | |
| AU2013399604B2 (en) | Method for using geographical positioning system data to sketch the site for scouting job | |
| CN101634566A (en) | Navigation system and method adopted by same for correcting map data | |
| CN102982148A (en) | Positioning method and device | |
| CN112414416A (en) | ADAS map data system based on four-level automatic driving high precision | |
| CN114440905A (en) | Intermediate layer construction method and device, electronic equipment and storage medium | |
| US20180066948A1 (en) | Alignment of visual indicators on navigational maps | |
| CN106443732B (en) | Path diagram drawing method and system based on GPS | |
| CN102170427A (en) | Location error-reporting method, location service terminal and server | |
| CN105302788A (en) | Method and device for editing table | |
| CN103593364A (en) | Method and system for filling keywords in route search |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |