CN106767855A - A kind of electronic map data update method and system - Google Patents
A kind of electronic map data update method and system Download PDFInfo
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- CN106767855A CN106767855A CN201611205382.7A CN201611205382A CN106767855A CN 106767855 A CN106767855 A CN 106767855A CN 201611205382 A CN201611205382 A CN 201611205382A CN 106767855 A CN106767855 A CN 106767855A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/28—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network with correlation of data from several navigational instruments
- G01C21/30—Map- or contour-matching
- G01C21/32—Structuring or formatting of map data
Abstract
The present invention relates to a kind of electronic map data update method and system, this electronic map data more new system includes：Vehicle mounted guidance in each vehicle, and the server being connected with each vehicle mounted guidance；Wherein described vehicle mounted guidance is suitable to the doubtful newly-built road of mark, and upload server shares the road；The server is suitable to for doubtful newly-built road to upgrade to normal road, updates in electronic map.This electronic map data more new system can automatically carry out discovery, detection and the acquisition of relevant information, the data such as vehicle running path, speed are analyzed using the electronic map data more new system, realize the renewal of newly-built road, the time of electronic map data renewal is not only shortened, and reduces the workload of field operation information gathering employee simultaneously.
Description
Technical field
The present invention relates to a kind of electronic map data update method and system.
Background technology
Data in navigation electronic map updates includes version formula update mode and incrementally updating mode.
Version formula update refer to map manufacturer in regular hour unit to the area involved by data in navigation electronic map
The benefit survey that domain scope carries out comprehensive, deep field is even resurveyed, and map datum is carried out entirely by way of interior field operation is combined
The editing and processing in face, forms brand-new version map datum.Due to version formula update mode expend larger manpower and materials and
The excessive cycle of renewal, often expends the excessive time at no point in the update process, and inconvenience is brought to user.
Map of navigation electronic incremental update refers to only to carry out corresponding benefit to map of navigation electronic changing unit to survey, and is sent out
The key element and relevant information of changing, delta file is formed according to change information, and delta file only is supplied into user's end every time
End, user carries out data fusion according to the delta file for receiving and original navigation electronic map data, forms new navigation electricity
Sub- map datum.
At present, in the closed loop mode of incremental update, navigation change INFORMATION DISCOVERY personnel pass through user feedback, user network
The multiple channels such as electronic map marker, comparing obtain the navigation data for changing, and become by submitting to navigation after arrangement
The other department of change information carries out data cleansing, data fusion and data analysis, and data acquisition is formulated finally according to delta data result
Plan is submitted to field data collection department and is acquired for navigation change data；Carried after field data acquisition navigation change data
Giving data creating department carries out the making of incremental update packet, data is carried out afterwards and is updated and map of navigation electronic issue.
In incrementally updating mode, the workload of field operation information gathering employee is still larger, therefore uses what is regularly updated
Mode, cartographic information cannot upgrade in time, be made troubles to user.
The content of the invention
It is an object of the invention to provide a kind of electronic map data update method and system, to solve conditional electronic map more
The new cycle is long, and updates the big technical problem of required data volume.
In order to reach foregoing invention purpose, the invention provides a kind of electronic map data update method, including following step
Suddenly：
Step S1, marks doubtful newly-built road；
Step S2, normal road is upgraded to by doubtful newly-built road；And
Step S3, newly-built road is updated in electronic map.
Further, the step S1 marks the method for doubtful newly-built road as follows：
When vehicle is travelled, if its running section is not demarcated by electronic map, minute book vehicle travels on the section
Accumulative train number and the corresponding overall average speed of each train number, to judge whether the section is doubtful newly-built road.
Further, judge whether section includes as the method for doubtful newly-built road：
If the accumulative train number is more than setting train number threshold value, and overall average speed is more than setting speed threshold value, it is determined that should
Running section is doubtful newly-built road, and is marked display to be different from normal road on the electronic map of this car.
Further, the respective paths of doubtful newly-built road are uploaded onto the server, it is shared to issue.
Further, the method for doubtful newly-built road being judged into normal road in the step S2, i.e., will by server
Doubtful newly-built road judges the normal road that is defined, and is updated to normal road by remote measurement prospecting.
Further, it is described to be included doubtful newly-built road judge the to be defined method of normal road by server：The clothes
Business device is suitable to collection and changes smoothness by the section mean speed of the vehicle of doubtful newly-built road, and analyzes different samples
Correlation, and vehicle flowrate according to the doubtful newly-built road of Temporal Change and the vehicle flowrate of road intersection correlation, with
Judge that doubtful newly-built road is defined normal road.
Further, the server is suitable to gather smooth by the section mean speed change of the vehicle of doubtful newly-built road
Spending, and analyze the method for the correlation of different samples includes：
Step S21, sets some vehicle sample sizes；
Step S22, to doubtful newly-built road setting interval distance, records each sample vehicle by each interval
Section mean speed, and obtain average speed change smoothness；
If each section mean speed obtains smooth average speed more than the section mean speed threshold value of server settings
Degree change smoothness, the then first condition doubtful newly-built road upgraded as server.
Further, the server is further adapted for vehicle flowrate and road intersection according to the doubtful newly-built road of Temporal Change
The method of correlation of vehicle flowrate include：
The vehicle flowrate of doubtful newly-built road and the vehicle flowrate of road intersection are detected in the corresponding time period；If road intersection
Vehicle is shunted to doubtful newly-built road, and/or the vehicle of doubtful newly-built road is shunted to road intersection；To then be doubted as server
Like the second condition of newly-built road upgrading.
Further, be defined for doubtful newly-built road upgrading normal by server after first condition and/or second condition is met
Road, and further distinguishing mark shows on the electronic map；And after remote measurement is reconnoitred and confirmed, by server by the standard
Normal road is updated to normal road, and electronic map is updated.
On the basis of above-mentioned electronic map data update method, updated present invention also offers a kind of electronic map data
System, including：Vehicle mounted guidance in each vehicle, and the server being connected with each vehicle mounted guidance；Wherein described vehicle mounted guidance
It is suitable to the doubtful newly-built road of mark, and upload server shares the road；And server is suitable to upgrade in doubtful newly-built road
It is normal road, updates in electronic map.
Compared with prior art, the beneficial effects of the invention are as follows this electronic map data more new system can be automatically to car
Traveling road is identified, judges, judge by doubtful road, be electronic map offer is targetedly provided must
The data wanted are supported；The time of electronic map data renewal is not only shortened, and has saved the amount of updating the data, this electronic map
More new system is especially suitable for map is cut into some tile maps targetedly being updated.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is electronic map data update method flow chart of the invention；
Fig. 2 is electronic map data of the invention more new system the general frame.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant with the present invention.
Embodiment 1
As shown in figure 1, the present embodiment 1 provides a kind of electronic map data update method, comprise the following steps：
Step S1, marks doubtful newly-built road；
Step S2, normal road is upgraded to by doubtful newly-built road；And
Step S3, newly-built road is updated in electronic map.
The step S1 marks the method for doubtful newly-built road as follows：
When vehicle is travelled, if its running section is not demarcated by electronic map, minute book vehicle travels on the section
Accumulative train number and the corresponding overall average speed of each train number, to judge whether the section is doubtful newly-built road.
Wherein, judge whether section includes as the method for doubtful newly-built road：
If the accumulative train number is more than setting train number threshold value, and overall average speed is more than setting speed threshold value, it is determined that should
Running section is doubtful newly-built road, and is marked display to be different from normal road on the electronic map of this car.
Further, the respective paths of doubtful newly-built road are uploaded onto the server, it is shared to issue.
Specifically, it is the INFORMATION DISCOVERY run in server and the frequency threshold value set by treatment software to set a, b is soft
Traveling average speed threshold value set by part.If vehicle is more than a by the number of times of a certain running section, what is travelled when passing through is flat
It is doubtful newly-built road by the running section when equal speed is more than b, modifies and record in the database of server,
Display is labeled to be different from the color of normal road on electronic map, such as display is labeled with light green color or dotted line.
Wherein, a can at least be set to 1 time, i.e. have a vehicle by once, and speed is more than b, it is also possible to which judging should
Path is doubtful road path；Wherein b is such as, but not limited to 30km/h.
The method that doubtful newly-built road is judged into normal road in the step S2, i.e., will be doubtful newly-built by server
Road judges the normal road that is defined, and is updated to normal road by remote measurement prospecting.
Wherein, it is described to be included doubtful newly-built road judge the to be defined method of normal road by server：
The server is suitable to collection and changes smoothness by the section mean speed of the vehicle of doubtful newly-built road, and
Analyze the correlation of different samples, and vehicle flowrate and the wagon flow of road intersection according to the doubtful newly-built road of Temporal Change
The correlation of amount, to judge that doubtful newly-built road is defined normal road.
The server is suitable to collection and changes smoothness by the section mean speed of the vehicle of doubtful newly-built road, and divides
The method for analysing the correlation of different samples includes：
Step S21, sets some vehicle sample sizes；
Step S22, to doubtful newly-built road setting interval distance, records each sample vehicle by each interval
Section mean speed, and obtain average speed change smoothness；
If each section mean speed obtains smooth average speed more than the section mean speed threshold value of server settings
Degree change smoothness, the then first condition doubtful newly-built road upgraded as server.
Specifically, setting interval distances of the Δ S set by the messaging software for operating in server, Δ S can root
Set by map manufacturer according to actual conditions, such as 5m, 10m, 20m.If Δ T completes interval distance flower by vehicle traveling
The time taken, V is average speed of the vehicle in the section travel.Average speed data obtained by every section of interval is put together
Analysis.If average speed can exceed that the threshold value of certain setting, and average speed change is smoother, then show the path road
Condition is relatively good.It is very low in some interval or most of overall travel speeds if average speed data change is unsmooth, show the path
Road conditions are poor.It is analyzed by the speed data to multiple vehicle samples, if embodying similar feature, the road can be confirmed
The load conditions in footpath.
By gathering the vehicle operation data of doubtful newly-built road and its peripheral path, can obtain in different time sections
Vehicle flow data.In general, doubtful newly-built road has relevance with the vehicle flowrate of its road intersection；Therefore, the clothes
The method that business device is suitable to the vehicle flowrate according to the doubtful newly-built road of Temporal Change and the correlation of the vehicle flowrate of road intersection
Including：The vehicle flowrate of doubtful newly-built road and the vehicle flowrate of road intersection are detected in the corresponding time period；If the car of road intersection
Shunted to doubtful newly-built road, and/or the vehicle of doubtful newly-built road is shunted to road intersection；Then will be doubtful as server
The second condition of newly-built road upgrading.
Specifically, the vehicle flowrate of detection road intersection can be examined by manner known in the art such as ground induction coils
Survey.If the vehicle of road intersection is shunted to doubtful newly-built road, the vehicle flowrate of road intersection is reduced；Or, if doubtful newly-built
The vehicle of road is shunted to road intersection, and the vehicle flowrate of road intersection increases.
Be defined wrap for doubtful newly-built road upgrading after above-mentioned first condition and/or second condition is met by server
Road, and further distinguishing mark shows (such as become bottle green from light green color) on the electronic map；And reconnoitre true by remote measurement
After recognizing, the quasi- normal road is updated to by normal road by server, electronic map is updated.
Embodiment 2
As shown in Fig. 2 on the basis of embodiment 1, the present embodiment 2 provides a kind of electronic map data more new system,
Including：Vehicle mounted guidance in each vehicle, and the server being connected with each vehicle mounted guidance；Wherein described vehicle mounted guidance is suitable to mark
Remember doubtful newly-built road, and upload server shares the road；And server is suitable to upgrade to doubtful newly-built road normally
Road, updates in electronic map.
Doubtful newly-built road is upgraded into normal road on server, the method to electronic map is updated, referring to implementation
The related discussion of example 1.
It is such as, but not limited to be attached using 4G modes on vehicle mounted guidance and the connected mode of server.
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (10)
1. a kind of electronic map data update method, it is characterised in that comprise the following steps：
Step S1, marks doubtful newly-built road；
Step S2, normal road is upgraded to by doubtful newly-built road；And
Step S3, newly-built road is updated in electronic map.
2. electronic map data update method according to claim 1, it is characterised in that
The step S1 marks the method for doubtful newly-built road as follows：
When vehicle is travelled, if its running section is not demarcated by electronic map, minute book vehicle travels on the tired of the section
Meter train number and the corresponding overall average speed of each train number, to judge whether the section is doubtful newly-built road.
3. electronic map data update method according to claim 2, it is characterised in that
Judge whether section includes as the method for doubtful newly-built road：
If the accumulative train number is more than setting train number threshold value, and overall average speed is more than setting speed threshold value, it is determined that the traveling
Section is doubtful newly-built road, and is marked display to be different from normal road on the electronic map of this car.
4. electronic map data update method according to claim 3, it is characterised in that
The respective paths of doubtful newly-built road are uploaded onto the server, it is shared to issue.
5. electronic map data update method according to claim 4, it is characterised in that
The method that doubtful newly-built road is judged to normal road in the step S2, i.e.,
Doubtful newly-built road is judged by the normal road that is defined by server, and normal road is updated to by remote measurement prospecting.
6. electronic map data update method according to claim 5, it is characterised in that
It is described to be included doubtful newly-built road judge the to be defined method of normal road by server：
The server is suitable to collection and changes smoothness by the section mean speed of the vehicle of doubtful newly-built road, and analyzes
The correlation of different samples, and vehicle flowrate and the vehicle flowrate of road intersection according to the doubtful newly-built road of Temporal Change
Correlation, to judge that doubtful newly-built road is defined normal road.
7. electronic map data update method according to claim 6, it is characterised in that
The server is suitable to collection and changes smoothness by the section mean speed of the vehicle of doubtful newly-built road, and analyzes not
Method with the correlation of sample includes：
Step S21, sets some vehicle sample sizes；
Step S22, to doubtful newly-built road setting interval distance, records area of each sample vehicle by each interval
Between average speed, and obtain average speed change smoothness；
If each section mean speed is more than the section mean speed threshold value of server settings, and obtains smooth average speed change
Change smoothness, then the first condition doubtful newly-built road upgraded as server.
8. electronic map data update method according to claim 7, it is characterised in that
The server is further adapted for vehicle flowrate and the vehicle flowrate of road intersection according to the doubtful newly-built road of Temporal Change
The method of correlation includes：
The vehicle flowrate of doubtful newly-built road and the vehicle flowrate of road intersection are detected in the corresponding time period；
If the vehicle of road intersection is shunted to doubtful newly-built road, and/or
The vehicle of doubtful newly-built road is shunted to road intersection；
The second condition that doubtful newly-built road is upgraded as server then.
9. electronic map data update method according to claim 8, it is characterised in that
Be defined normal road for doubtful newly-built road upgrading after first condition and/or second condition is met by server, and in electricity
Further distinguishing mark shows on sub- map；And
After confirmation is reconnoitred in remote measurement, the quasi- normal road is updated to by normal road by server, electronic map is carried out
Update.
10. a kind of electronic map data more new system, it is characterised in that including：
Vehicle mounted guidance in each vehicle, and the server being connected with each vehicle mounted guidance；Wherein
The vehicle mounted guidance is suitable to the doubtful newly-built road of mark, and upload server shares the road；And
Server is suitable to for doubtful newly-built road to upgrade to normal road, updates in electronic map.
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| CN111473793A (en) * | 2019-01-24 | 2020-07-31 | 阿里巴巴集团控股有限公司 | Method, device and equipment for determining road traffic state |
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