CN106610981A - Verification and upgrading method and system for road information in electronic map - Google Patents
Verification and upgrading method and system for road information in electronic map Download PDFInfo
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- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
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Abstract
The invention discloses a verification and upgrading method and system for road information in an electronic map. The verification and upgrading method for the road information in the electronic map comprises the steps of acquiring global positioning system (GPS) trajectory data running on a road segment to be verified, processing the GPS trajectory data, and determining a road running direction corresponding to the GPS trajectory data; seeking a time point where road information changes and marking a road segment where the road information changes by employing a time interval differential method according to the processed GPS trajectory data; and performing differential comparison on the GPS trajectory data of the marked road segment where the road information changes and an electronic map database to acquire a data matching result, and modifying the electronic map according to the data matching result. Therefore, with the verification and upgrading method disclosed by the embodiment of the invention, the road driving direction can be rapidly acquired, the electronic map upgrading speed is increased, the data freshness is improved, and resources are saved.
Description
Technical field
The present invention relates to cartography field, the checking renewal of more particularly to a kind of road in electronic map information
Method and system.
Background technology
For some roads, in peak period on and off duty, in order to alleviate the driving pressure in certain travel direction,
Rule can be exercised to the traffic of these roads to be adjusted, carry out some road traffic restrictions, for example：Arrange
It is inconsistent with the normally travel direction of other times in certain time period.
At present, make electronic chart during, for special time period road information acquisition mode still
So holding is field operation according to acquisition plan collection in worksite.When data operation is verified, to field operation collection in worksite
Information generally adopts following method of calibration：
Method one：The information of acquiescence field operation collection in worksite is all correct.But using this acquiescence field data acquisition
The whole correct methods of information, if field data acquisition wrong path information, just having can mislead user, OK
Occur situation of driving in the wrong direction in car, cause the generation of traffic accident.
Method two：Using the method for sampling check, data test and appraisal are carried out.By the information collected to field operation
Inspection is sampled, confirms to judge whether by the way of the information of collection correctly using scene.But, it is this
Method then it cannot be guaranteed that the correctness of field data acquisition information, thus causes navigation for the region do not spot-check
Potential risks occur in bootup process.
The content of the invention
In view of this, the purpose of the embodiment of the present invention is to propose a kind of checking of road in electronic map information
Update method and system, can accurately and timely be quickly obtained road travel direction, improve electronic chart and update
Speed, increases the freshness of data, and save resources.
For further, the checking update method of the road in electronic map information includes：Obtain to be verified
The GPS track data run on section, and the GPS track data are processed, it is determined that described
The corresponding road traffic direction of GPS track data；According to the GPS track data after process, using between the time
Every the method for difference, the time point that road information changes is searched, and marks road information and change
Section；The road information for marking is changed the GPS track data and electronic map database in section
Differential pair ratio is carried out, Data Matching result is obtained, and according to the Data Matching results modification electronic chart.
Alternatively, in certain embodiments, it is described to mark after the section that road information changes, should
The checking update method of road in electronic map information also includes：Road information is called to change time point
The corresponding vehicle peccancy record of GPS track data；Judge whether the section that the road information changes deposits
In break in traffic rules and regulations record, if there is break in traffic rules and regulations record, then using coordinate setting, the data are changed
With result, cancel the road information change mark of corresponding road section；If not right without break in traffic rules and regulations record
The Data Matching result is processed.
Alternatively, in certain embodiments, according to the step of the Data Matching results modification electronic chart
Before, the checking update method of the road in electronic map information also includes：By in the Data Matching result
Show that inconsistent data are identified, for pointing out field operation on-site verification；Field operation on-site verification result is called,
Electronic chart is changed if road information changes really；Electronic chart is not otherwise changed.
Alternatively, in certain embodiments, it is described to obtain the GPS track number run on section to be verified
According to including：In the interval time section for arranging, the attribute record of GPS running orbit points, the category are sequentially gathered
Property record include the sequence number and corresponding road number of GPS running orbits point, position coordinate, run time point,
Traffic direction；Wherein, to the traffic direction according to form direction signs it is opposing traffic, suitable in collection
Direction running, reverse direction traveling；By in the corresponding acquisition time section of GPS track data Cun Chudao for collecting
Road information database, wherein record the corresponding road number of the GPS track data, acquisition time and
Traffic direction.
Alternatively, in certain embodiments, carrying out process to the GPS track data includes：According to road
Numbering, extracts the GPS track data of each road, the total degree of each traffic direction is obtained, according to described
The database format of the corresponding road number of GPS track data, traffic direction and tracking quantity is recorded；
Every most record of GPS track data occurrence number is weeded out, retains remaining GPS track data；Press
It is right according to the database format of the corresponding road number of the GPS track data, acquisition time and traffic direction
Extract remaining GPS track data record to be extracted.
Corresponding with said method, the present invention proposes that a kind of checking of road in electronic map information updates system
System, the system includes：
Track acquisition module, for obtaining the GPS track data run on section to be verified；
Data processing module, for processing the GPS track data；
Track screening module, for according to the GPS track data after process, using the side of time interval difference
Method, searches the time point that road information changes, and marks the section that road information changes；
Data match module, for by the road information for marking change section GPS track data with
Electronic map database carries out differential pair ratio, obtains Data Matching result；
Map rejuvenation module, for according to the Data Matching results modification electronic chart.
Alternatively, in certain embodiments, the checking of road in electronic map information more new system also includes：
Calling module violating the regulations, for call road information change time point GPS track data it is corresponding
Vehicle peccancy is recorded；
Module is verified in track, is connected with the calling module violating the regulations, for judging that the road information becomes
The section of change records with the presence or absence of break in traffic rules and regulations, if there is break in traffic rules and regulations record, then using coordinate setting,
The Data Matching result is changed, cancels the road information change mark of corresponding road section；If disobeyed without traffic
Zhang Jilu, then do not processed the Data Matching result.
Alternatively, in certain embodiments, the checking of road in electronic map information more new system also includes：
Checking mark module, for will show in the Data Matching result inconsistent data be identified with
For pointing out field operation on-site verification；
Wherein, the map rejuvenation module is additionally operable to：Field operation on-site verification result is called, and is believed according to road
The situation modification electronic chart that breath changes really.
Alternatively, in certain embodiments, the track acquisition module is further included：
Record collection submodule, in the interval time section for arranging, sequentially gathering GPS running orbit points
Attribute record, the attribute record includes the sequence number and corresponding road number of GPS running orbits point, point position
Coordinate, run time point, traffic direction；Wherein, collection when to the traffic direction according to form direction
It is designated opposing traffic, clockwise direction traveling, reverse direction traveling；
Record storage submodule, the corresponding acquisition time section of GPS track data Cun Chudao for collecting
Interior road information database, wherein recording the corresponding road number of the GPS track data, acquisition time
And traffic direction.
Alternatively, in certain embodiments, the data processing module is further included：
Track statistic submodule, for according to road number, extracting the GPS track data of each road, obtains
The total degree of each traffic direction is taken, according to the corresponding road number of the GPS track data, traffic direction
And the database format of tracking quantity is recorded；
Submodule is screened in track, for weeding out every most record of GPS track data occurrence number, protects
Stay remaining GPS track data；
Trajectory extraction submodule, for according to the corresponding road number of the GPS track data, acquisition time
And the database format of traffic direction, extract to extracting remaining GPS track data record.
Relative to prior art, various embodiments of the present invention have advantages below：
After using the technical scheme of the embodiment of the present invention, using the GPS track data for obtaining, with difference
Method, is calculated the direction of traffic of the road of special time, finds out the time point that road information changes,
Then the road information in the road of the generation direction change for obtaining and electronic chart is carried out into differential pair ratio, profit
With comparing result it is inconsistent where electronic chart verified, changed, so as to improve the number of electronic chart
According to quality, the collection of the road information of effectively solving special time period and replacement problem, electronic chart number is verified
According to correctness.
More features and advantage of the embodiment of the present invention are explained the specific embodiment after.
Description of the drawings
The accompanying drawing for constituting an embodiment of the present invention part is used for providing further understanding the embodiment of the present invention,
The schematic description and description of the present invention is used to explain the present invention, does not constitute to improper limit of the invention
It is fixed.In the accompanying drawings：
The flow process of the checking update method of the road in electronic map information that Fig. 1 is provided for inventive embodiments is illustrated
Figure；
Fig. 2 is the record and processing mode schematic diagram of GPS track data provided in an embodiment of the present invention；
Fig. 3 is the composition side of the checking more new system of road in electronic map information provided in an embodiment of the present invention
Block diagram；
Fig. 4 is the group of the checking more new system of another road in electronic map information provided in an embodiment of the present invention
Into block diagram；
Fig. 5 is the compositional block diagram of track acquisition module in present system embodiment；
Fig. 6 is the compositional block diagram of data processing module in present system embodiment.
Specific 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 carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that obtained, belong to the scope of protection of the invention.
It should be noted that in the case where not conflicting, the feature in the embodiment of the present invention and embodiment can be with
It is mutually combined.
Below in conjunction with the accompanying drawings, various embodiments of the present invention are described further：
It is of the invention real for limited and inconvenient to the acquisition mode of special time period road information in prior art
Apply example mainly using GPS track data, can effectively solving special time period road information collection and renewal ask
Topic, is easy to verify the correctness of electronic map data.
Embodiment of the method
With reference to Fig. 1, it is a kind of checking update method of road in electronic map information that the present embodiment is proposed
Schematic flow sheet.In the present embodiment, the checking update method of the road in electronic map information includes following place
Reason process：
S100：The GPS track data that acquisition ran on section to be verified, and GPS track data are entered
Row is processed；
S200：According to the GPS track data after process, using the method for time interval difference, road is searched
The time point that information changes, and mark the section that road information changes；
S300：The road information for marking is changed the GPS track data and electronic map data in section
Storehouse carries out differential pair ratio, obtains Data Matching result, and according to Data Matching results modification electronic chart.
In the present embodiment, using the GPS track data for obtaining, with the method for difference, it is calculated specific
The direction of traffic of the road of time, finds out the time point that road information changes, then by the generation for obtaining
The road of direction change carries out differential pair ratio with the road information in electronic chart, inconsistent using comparing result
Where electronic chart verified, changed, so as to improve the quality of data of electronic chart, effectively solving
The collection of the road information of special time period and replacement problem, verify the correctness of electronic map data.
It is pointed out that in above-described embodiment, road information may include road direction, track restricted information
Deng according to the survey line result to GPS track data, can obtaining what is needed checking or update through above-mentioned analysis
Road direction, track restricted information.
As a kind of optional embodiment, mark in S200 after the section that road information of engaging in this profession changes,
The update method of above-mentioned road in electronic map information may also include following processing procedure：
S201：Road information is called to change the GPS track data corresponding vehicle peccancy record of time point；
S202：Judge that the section that road information changes records with the presence or absence of break in traffic rules and regulations, if there is friendship
Logical record violating the regulations, then using coordinate setting, change Data Matching result, cancels the road information of corresponding road section
Change mark；If without break in traffic rules and regulations record, do not processed data matching result.
In above-described embodiment, using GPS positioning technology road information is confirmed, gone out together by time interval difference
The different section of one road travel direction, and record violating the regulations is combined, judge data correctness, can so as to reject
Can have several because the rule-breaking vehicle incorrect GPS track data that cause of traveling, further improve it is newly-increased,
Update and verify the degree of accuracy of the road information of special time period.
As a kind of optional embodiment, according to the step of Data Matching results modification electronic chart in S300
Before rapid, the update method of above-mentioned road in electronic map information may also include following processing procedure：
S301：The data for showing inconsistent in Data Matching result are identified, for pointing out field operation scene
Checking；
S302：Field operation on-site verification result is called, if road information changes really electronic chart is changed；
Electronic chart is not otherwise changed.
Above-described embodiment utilizes GPS track data, is calculated the direction of traffic of the road of special time, tests
The correctness of card electronic map data, can accurately obtain the direction of traffic of road, improve electronic chart and update
Speed, increases the freshness of data.In addition above-described embodiment passes through GPS track data verification, updates electronically
Diagram data, can reduce cost of human resources, save resources.
Based on foregoing embodiments, alternatively, the checking update method of above-mentioned road in electronic map information
In S100, obtaining the GPS track data run on section to be verified can further include following process
Journey：
S101：In the interval time section for arranging, the attribute record of GPS running orbit points, attribute are sequentially gathered
Record include the sequence number and corresponding road number of GPS running orbits point, position coordinate, run time point,
Traffic direction；Wherein, collection when to traffic direction according to form direction signs be opposing traffic, clockwise direction
Traveling, reverse direction traveling；
S102：By the road information number in the corresponding acquisition time section of GPS track data Cun Chudao for collecting
According to storehouse, wherein the corresponding road number of record GPS track data, acquisition time and traffic direction.
Based on foregoing embodiments, alternatively, the checking update method of above-mentioned road in electronic map information
In S100, carrying out process to GPS track data can further include following processing procedure：
S103：According to road number, the GPS track data of each road are extracted, obtain each traffic direction
Total degree, according to the database of the corresponding road number of GPS track data, traffic direction and tracking quantity
Form is recorded；
S104：Every most record of GPS track data occurrence number is weeded out, retains remaining GPS rails
Mark data；
S105：According to the database of the corresponding road number of GPS track data, acquisition time and traffic direction
Form, extracts to extracting remaining GPS track data record.
Below, with reference to an instantiation, the checking update method of above-mentioned road in electronic map information is made into
One step explanation：
(1) GPS track data acquisition
In this example, can be carried out by the way of small range gradually updates with the GPS track data using field data acquisition,
The database for collecting GPS track on a large scale can also be utilized to carry out big data analysis, carry out high-volume on a large scale
Renewal.Wherein, GPS running orbits point attribute record includes：The sequence number of the point, every road it is unique
Numbering, coordinate, time point, traffic direction.
For example, referring to shown in Fig. 2, GPS running orbits point position can record and be：N1 (n1, id1, x1, y1,
T1, d1), N2 (n2, id2, x2, y2, t2, d2) ..., Nn (nn, idn, xn, yn, tn,
Dn), wherein, x, y are position coordinate, and n is a point sequence number, and t is the time point of operation, and d is traffic direction,
Id is the unique number of every road.It should be noted that traffic direction collection regulation：0 represents opposing traffic,
1 represents clockwise direction traveling, and 2 represent reverse direction traveling.
GPS track can collect an operation result every a time period, and it is little that the time period could be arranged to half
Shi Yici, scope could be arranged to early at 6 points to late 6 points.Because the traffic limitation time in practical operation
Possibly 7：00 to 7：30, it is also possible to be 7：00 to 8：00, so time interval may be little for half
When, therefore to be usually arranged as half an hour more accurate the acquisition interval time, certainly this example is not appointed to this
What is limited.
Additionally, every GPS track can be using such as in road information database roadgroup of the acquisition time
Storage organization shown in tables of data t1, including the corresponding road number of GPS track data, acquisition time and fortune
Line direction.
| ID | Time | Direction |
| 01 | 6:00 | 0 |
| 01 | 6:30 | 0 |
| 01 | 7:00 | 1 |
| 01 | 7:30 | 0 |
| 02 | 6:00 | 1 |
| 02 | 6:30 | 2 |
| 02 | 7:00 | 1 |
Tables of data t1
(2) GPS track data processing
1) according to the unique encodings of every road, each traffic direction of the GPS track of each bar road is extracted
Total degree.The GPS track produced in vehicle travel process can be automatically recorded on collecting device, form one
Bar line of vector, can directly derive from mapinfo or navmap power tools.Such as:select id,direction,
count(*)total1from roadgroup by id,direction order by id；
Wherein, the corresponding road number of GPS track data, traffic direction and tracking quantity can be according to following numbers
Recorded according to the form of table t2：
| ID | Direction | Count |
| 01 | 0 | 3 |
| 01 | 1 | 1 |
| 02 | 1 | 2 |
| 02 | 2 | 1 |
Tables of data t2
2) every most record of GPS track occurrence number is weeded out, retains remaining GPS track record,
All records of remaining GPS track are extracted according to t1 database formats, according in GPS track data
Direction field and the traffic direction collection rule of GPS track collection, so as to have found same path specific
Time in the record inconsistent with other times traffic direction (occur most multiple road information).
For example：with t2 as(select id,direction,count(*)total1 from road group by
id,direction order by id)
select t1.id,t1.time,t1.direction from road t1,t2
Where t1.id=t2.id and t1.direction=t2.direction and t2.total1<>(select
Max (t2.total1) from t2where t2.id=t1.id)
order by t1.id,t1.time；
(3) GPS track data are processed with electronic map data differential pair ratio
GPS track data are matched with electronic map database according to id field, check data Zhong Gai road
Road information, be labeled as if the time is consistent with direction be, it is inconsistent, be labeled as no.
For same path, the record inconsistent with other times traffic direction can be adopted within the specific time
With the form shown in tables of data t3：
| ID | Time | Direction |
| 01 | 7:00 | 1 |
| 02 | 6:30 | 2 |
Tables of data t3
According to no data are labeled as, the vehicle peccancy of the time provided with reference to vehicle supervision department is recorded,
The traffic violations situation in these sections is found out, if there is record violating the regulations, using coordinate setting, number is managed
It is yes no record modification is labeled as according to the result of matching；If not breaking rules and regulations record, do not located
Reason.
According to no record is labeled as, need to carry out again after field operation on-site verification, then in changing and updating the data
Information.
(4) GPS track data correctness statistics
In order to test GPS track data correctness, can be verified with field operation achievement, it is no according to being labeled as
Record, check field data acquisition achievement, if consistent with field data acquisition achievement, for data operation mistake,
If inconsistent with field data acquisition achievement, on-site verification is carried out, it is ensured that the road information in data is correct.
GPS track data correctness is counted：Correct bar number/total pick-up slip number * 100%.Wherein, correct bar
Number refers to the bar number consistent with field data acquisition achievement, the correct bar number of on-site verification.In actual implementation process,
When can correctness being set reaching more than 99.9%, directly electronic map data is updated using GPS track data
Field data acquisition is substituted, needs to be updated the data after on-site verification during less than 99.9%.
Compared with prior art, the embodiment of the present invention has advantages below：
By implementing the embodiment of the present invention, using the GPS track data for obtaining, with the method for difference, meter
Calculation obtains the direction of traffic of the road of special time, finds out the time point that road information changes, and then will
The road of the generation direction change for obtaining carries out differential pair ratio with the road information in electronic chart, using contrast
As a result electronic chart is verified where inconsistent, changed, so as to improve the quality of data of electronic chart,
The collection of the road information of effectively solving special time period and replacement problem, verify the correct of electronic map data
Property.
It should be noted that for aforesaid embodiment of the method, in order to be briefly described, therefore it is all expressed as
A series of combination of actions, but those skilled in the art should know, and the present invention is not moved by described
The restriction of work order, because according to the present invention, some steps can adopt other orders or while carry out.
Secondly, those skilled in the art also should know, embodiment described in this description belongs to be preferable to carry out
Example, involved action is not necessarily essential to the invention.
System embodiment
With above-mentioned each method embodiment accordingly, the embodiment of the present invention also proposes a kind of road in electronic map
The checking of information more new system, using the checking update method of above-mentioned any one road in electronic map information,
The data of electronic chart are verified, updated.With reference to shown in Fig. 3, the road in electronic map information
Checking more new system includes consisting of：
Track acquisition module 400, for obtaining the GPS track data run on section to be verified；
Data processing module 500, for processing GPS track data；
Track screening module 600, for according to the GPS track data after process, using time interval difference
Method, search the time point that changes of road information, and mark the section that road information changes；
Data match module 700, for the GPS track number in section that the road information for marking changes
Differential pair ratio is carried out according to electronic map database, Data Matching result is obtained；
Map rejuvenation module 800, for according to Data Matching results modification electronic chart.
In the present embodiment, track acquisition module 400 obtains GPS track data, data processing module 500 pairs
GPS track data are processed, the method that track screening module 600 uses difference, when being calculated specific
Between road direction of traffic, find out the time point that road information changes, data match module 700 will
The road of the generation direction change for obtaining carries out differential pair ratio, map rejuvenation with the road information in electronic chart
Module 800 using comparing result it is inconsistent where electronic chart verified, changed, so as to improve electricity
The quality of data of sub- map, the collection of the road information of effectively solving special time period and replacement problem, checking
The correctness of electronic map data.
Based on foregoing embodiments, alternatively, with reference to shown in Fig. 4, above-mentioned road in electronic map information
Checking more new system may also include consisting of：
Calling module violating the regulations 901, for calling road information to change the GPS track data pair of time point
The vehicle peccancy record answered；
Module 902 is verified in track, is connected with calling module violating the regulations 901, for judging that road information changes
Section with the presence or absence of break in traffic rules and regulations record, if there is break in traffic rules and regulations record, then using coordinate setting, repair
Change Data Matching result, cancel the road information change mark of corresponding road section；If without break in traffic rules and regulations record,
Then data matching result do not processed.
Used as a kind of optional embodiment, with reference to shown in Fig. 4, above-mentioned road in electronic map information is tested
Card more new system may also include consisting of：
Checking mark module 903, for will show in Data Matching result inconsistent data be identified with
In prompting field operation on-site verification；
Wherein, 800 pieces of map rejuvenation mould is additionally operable to：Field operation on-site verification result is called, and is believed according to road
The situation modification electronic chart that breath changes really.
Based on foregoing embodiments, alternatively, with reference to shown in Fig. 5, above-mentioned road in electronic map information
In checking more new system, track acquisition module 400 can further include consisting of：
Record collection submodule 401, in the interval time section for arranging, sequentially gathering GPS running orbits
The attribute record of point, attribute record includes the sequence number and corresponding road number of GPS running orbits point, point position
Coordinate, run time point, traffic direction；Wherein, collection when to traffic direction according to form direction signs
For opposing traffic, clockwise direction traveling, reverse direction traveling；
Record storage submodule 402, during the corresponding collection of GPS track data Cun Chudao for collecting
Between road information database in section, wherein the corresponding road number of record GPS track data, acquisition time
And traffic direction.
Based on foregoing embodiments, alternatively, with reference to shown in Fig. 6, above-mentioned road in electronic map information
In checking more new system, data processing module 500 can further include consisting of：
Track statistic submodule 501, for according to road number, extracting the GPS track data of each road,
Obtain the total degree of each traffic direction, according to the corresponding road number of GPS track data, traffic direction and
The database format of tracking quantity is recorded；
Submodule 502 is screened in track, for weeding out every most record of GPS track data occurrence number,
Retain remaining GPS track data；
Trajectory extraction submodule 503, for according to the corresponding road number of GPS track data, acquisition time
And the database format of traffic direction, extract to extracting remaining GPS track data record.
The various embodiments described above obtain the road information at scene using GPS track data, by time interval difference
Go out the different section in same road driving direction, with reference to record violating the regulations, when updating and verify specific so as to increase newly
Between section road direction, improve electronic chart the quality of data, effectively solving special time period road letter
The collection of breath and replacement problem.Therefore, the various embodiments described above can accurately obtain the direction of traffic of road, carry
High electronic chart renewal speed, increases the freshness of data；Also, cost of human resources can also be reduced, is saved
Resource-saving.
Because the checking update method of any of the above-described kind of road in electronic map information has above-mentioned technique effect,
Therefore, tested using the road in electronic map information of the checking update method of the road in electronic map information
Card more new system should also possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, hereby
Do not repeat.
Obviously, those skilled in the art should be understood that above-mentioned road in electronic map information of the invention
Checking more new system in each step of checking update method of each module or road in electronic map information can be with
Realized with general computing device, they can be concentrated on single computing device, or be distributed in many
On the network that individual computing device is constituted, alternatively, they can use the executable program code of computing device
To realize, it is thus possible to be stored in storage device being performed by computing device, or by they
Each integrated circuit modules is fabricated to respectively, or the multiple modules or step in them are fabricated to into single collection
Realize into circuit module.So, the present invention is not restricted to any specific hardware and software combination.It is described
Storage device is nonvolatile memory, such as：ROM/RAM, flash memory, magnetic disc, CD etc..
Embodiments of the invention are the foregoing is only, it is all the present invention's not to limit the present invention
Within spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of checking update method of road in electronic map information, it is characterised in that include：
The GPS track data that acquisition ran on section to be verified, and the GPS track data are carried out
Process, determine the corresponding road traffic direction of the GPS track data；
According to the GPS track data after process, using the method for time interval difference, search road information and send out
The time point of changing, and mark the section that road information changes；
The road information for marking is changed into the GPS track data in section and electronic map database is carried out
Differential pair ratio, obtains Data Matching result, and according to the Data Matching results modification electronic chart.
2. the checking update method of road in electronic map information according to claim 1, its feature exists
In described to mark after the section that road information changes, the method also includes：
Road information is called to change the GPS track data corresponding vehicle peccancy record of time point；
Judge that the section that the road information changes records with the presence or absence of break in traffic rules and regulations, if there is traffic
Record violating the regulations, then using coordinate setting, change the Data Matching result, cancels the road letter of corresponding road section
Breath change mark；If without break in traffic rules and regulations record, do not processed the Data Matching result.
3. the checking update method of road in electronic map information according to claim 2, its feature exists
In before according to the step of the Data Matching results modification electronic chart, the method also includes：
To show that inconsistent data are identified in the Data Matching result, for pointing out field operation scene to test
Card；
Field operation on-site verification result is called, if road information changes really electronic chart is changed；Otherwise
Electronic chart is not changed.
4. the checking update method of the road in electronic map information according to claim 1,2 or 3,
Characterized in that, the GPS track data run on section to be verified that obtain include：
In the interval time section for arranging, the attribute record of GPS running orbit points, the attribute note are sequentially gathered
Record includes sequence number and corresponding road number, position coordinate, run time point, the fortune of GPS running orbits point
Line direction；Wherein, collection when to the traffic direction according to form direction signs be opposing traffic, along side
To traveling, reverse direction traveling；
By the road information database in the corresponding acquisition time section of GPS track data Cun Chudao for collecting,
Wherein record the corresponding road number of the GPS track data, acquisition time and traffic direction.
5. the checking update method of road in electronic map information according to claim 4, its feature exists
In carrying out process to the GPS track data includes：
According to road number, the GPS track data of each road are extracted, obtain total time of each traffic direction
Number, according to the data Coorg of the corresponding road number of the GPS track data, traffic direction and tracking quantity
Formula is recorded；
Every most record of GPS track data occurrence number is weeded out, retains remaining GPS track data；
According to the data Coorg of the corresponding road number of the GPS track data, acquisition time and traffic direction
Formula, extracts to extracting remaining GPS track data record.
6. the checking more new system of a kind of road in electronic map information, it is characterised in that include：
Track acquisition module, for obtaining the GPS track data run on section to be verified；
Data processing module, for processing the GPS track data；
Track screening module, for according to the GPS track data after process, using the side of time interval difference
Method, searches the time point that road information changes, and marks the section that road information changes；
Data match module, for by the road information for marking change section GPS track data with
Electronic map database carries out differential pair ratio, obtains Data Matching result；
Map rejuvenation module, for according to the Data Matching results modification electronic chart.
7. the checking more new system of road in electronic map information according to claim 6, its feature exists
In also including：
Calling module violating the regulations, for call road information change time point GPS track data it is corresponding
Vehicle peccancy is recorded；
Module is verified in track, is connected with the calling module violating the regulations, for judging that the road information becomes
The section of change records with the presence or absence of break in traffic rules and regulations, if there is break in traffic rules and regulations record, then using coordinate setting,
The Data Matching result is changed, cancels the road information change mark of corresponding road section；If disobeyed without traffic
Zhang Jilu, then do not processed the Data Matching result.
8. the checking more new system of the road in electronic map information according to claim 6 or 7, it is special
Levy and be, also include：
Checking mark module, for will show in the Data Matching result inconsistent data be identified with
For pointing out field operation on-site verification；
Wherein, the map rejuvenation module is additionally operable to：Field operation on-site verification result is called, and is believed according to road
The situation modification electronic chart that breath changes really.
9. the checking more new system of road in electronic map information according to claim 8, its feature exists
In the track acquisition module is further included：
Record collection submodule, in the interval time section for arranging, sequentially gathering GPS running orbit points
Attribute record, the attribute record includes the sequence number and corresponding road number of GPS running orbits point, point position
Coordinate, run time point, traffic direction；Wherein, collection when to the traffic direction according to form direction
It is designated opposing traffic, clockwise direction traveling, reverse direction traveling；
Record storage submodule, the corresponding acquisition time section of GPS track data Cun Chudao for collecting
Interior road information database, wherein recording the corresponding road number of the GPS track data, acquisition time
And traffic direction.
10. the checking more new system of road in electronic map information according to claim 9, its feature
It is that the data processing module is further included：
Track statistic submodule, for according to road number, extracting the GPS track data of each road, obtains
The total degree of each traffic direction is taken, according to the corresponding road number of the GPS track data, traffic direction
And the database format of tracking quantity is recorded；
Submodule is screened in track, for weeding out every most record of GPS track data occurrence number, protects
Stay remaining GPS track data；
Trajectory extraction submodule, for according to the corresponding road number of the GPS track data, acquisition time
And the database format of traffic direction, extract to extracting remaining GPS track data record.
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