CN106530708A - Method and device for obtaining traffic restriction information - Google Patents
Method and device for obtaining traffic restriction information Download PDFInfo
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- CN106530708A CN106530708A CN201611154161.1A CN201611154161A CN106530708A CN 106530708 A CN106530708 A CN 106530708A CN 201611154161 A CN201611154161 A CN 201611154161A CN 106530708 A CN106530708 A CN 106530708A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
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Abstract
The invention discloses a method and device for obtaining traffic restriction information, relating to the technical field of road traffic information. The method and the device are used for improving the timeliness of obtaining traffic restriction information. The method comprises a step of obtaining the traffic trajectory information of vehicles which pass the traffic road in a target area in a target time period T, a step of obtaining a traffic condition matrix of the traffic road in the target time period T according to the traffic trajectory information, wherein the element of the traffic condition matrix is the number of vehicles which arrive at the exit of the traffic road from the entrance of the traffic road via the traffic road, and a step of obtaining the target traffic restriction matrix of the traffic road according to the traffic condition matrix, wherein the element of the target traffic restriction matrix is a traffic restriction value from the entrance to the exit via the traffic road. According to the method, the collection by industry gathering personnel is not needed, and the timeliness of obtaining traffic restriction information is improved. The method and the device are used for obtaining traffic restriction information.
Description
Technical field
The present invention relates to Traffic Information technical field, more particularly to a kind of method for obtaining traffic restricted information and dress
Put.
Background technology
As the development of traffic, the number of road are continuously increased, traffic administration is also increasingly sophisticated, arranges single such as on road
Capable, forbidden to limit etc., these measures effectively promote traffic reasonable diffluence, improve the safety and efficiency of traffic, but while
Also making traveler select walking along the street line becomes increasingly complex.
At present, traveler before travel would generally be by inquiring about electronic chart, to select traffic path.Traveler for convenience
Use, would generally show on electronic chart that traffic restricted information (is that single file, certain road such as are restricted driving at the letter including certain road
Breath), traffic restricted information is rapidly and accurately understood in order to traveler, and select traffic path.At present, show on electronic chart
Traffic restricted information generally gather acquisitions outside by the field data acquisition personnel of map supply business so that consuming is substantial amounts of
Time, cause the promptness for obtaining traffic restricted information poor.
The content of the invention
It is an object of the invention to provide a kind of method and device for obtaining traffic restricted information, obtains traffic for improving
The promptness of restricted information.
To achieve these goals, the present invention provides following technical scheme：
A first aspect of the present invention provides a kind of method for obtaining traffic restricted information, including：
Step S100, acquisition are believed by the wheelpath of the vehicle of traffic route in target area in target time section T
Breath；Step S200, according to the wheelpath information, obtain in target time section T, the driving of the traffic route is led to
Market condition matrix, the element of the driving passage situation matrix is sailing into after mouthful traffic route described in by the traffic route
To the quantity of the vehicle for rolling mouth away from of the traffic route；Step S300, according to the driving passage situation matrix, obtain described
The target traffic limitation matrix of traffic route, the element of the target traffic limitation matrix be by it is described sail mouthful Jing into described in traffic
To the traffic limitation value for rolling mouth away from after road.
A second aspect of the present invention provides a kind of device for obtaining traffic restricted information, for realizing such as above-mentioned technical scheme
The method of described acquisition traffic restricted information, the device of the acquisition traffic restricted information include the first acquisition module, second
Acquisition module and the 3rd acquisition module, wherein, first acquisition module is used for obtaining in target time section T, by target
The wheelpath information of the vehicle of traffic route in region；Second acquisition module is connected with first acquisition module, institute
The second acquisition module is stated for according to the wheelpath information, obtaining in target time section T, in the target area
The driving passage situation matrix of the traffic route, the element of the driving passage situation matrix is sailing by the traffic route
After entrance traffic route described in the traffic route the vehicle for rolling mouth away from quantity；3rd acquisition module with it is described
Second acquisition module connects, and the 3rd acquisition module is for according to the driving passage situation matrix, the acquisition traffic road
The target traffic limitation matrix on road, the element of the target traffic limitation matrix are to be sailed into after mouthful traffic route described in by described
To the traffic limitation value for rolling mouth away from.
In the method for the acquisition traffic restricted information that the present invention is provided, by analysis by traffic route in target area
Vehicle wheelpath information, obtain target area in traffic route driving passage situation matrix, then by analyze mesh
In mark region, the driving passage situation matrix of traffic route, obtains the target traffic limitation matrix of traffic route, that is, obtains traffic
Acquisition traffic restricted information phase is gathered outside by the field data acquisition personnel of map supply business in restricted information, with prior art
Than improving the promptness for obtaining traffic restricted information.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart one of the method for obtaining traffic restricted information provided in an embodiment of the present invention；
Fig. 2 is the flowchart 2 of the method for obtaining traffic restricted information provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of right-angled intersection；
The structural representation of Fig. 4 devices for obtaining traffic restricted information provided in an embodiment of the present invention.
Reference：
The first acquisition modules of 10-, the first extraction modules of 11-,
The first computing modules of 12-, 13- first remove module,
The removing modules of 14- second, the second acquisition modules of 20-,
The 3rd acquisition modules of 30-, the second computing modules of 31-,
The 3rd computing modules of 32-, the 4th computing modules of 33-,
40- division modules, 50- mapping blocks,
60- buffer modules, the 4th acquisition modules of 70-,
80- comparison modules, 90- update modules.
Specific embodiment
In order to further illustrate the method and device for obtaining traffic restricted information provided in an embodiment of the present invention, with reference to
Figure of description is described in detail.
Fig. 1 is referred to, the method for acquisition traffic restricted information provided in an embodiment of the present invention includes：
S100, obtain in target time section T, by the wheelpath information of the vehicle of traffic route in target area.
S200, according to wheelpath information, obtain in target time section T, the driving of traffic route in target area is led to
Market condition matrix, the element of passage situation matrix of driving a vehicle is sailing into mouthful Jing after traffic route to traffic route by traffic route
Roll the quantity of the vehicle of mouth away from.
S300, according to driving passage situation matrix, obtain traffic route target traffic limitation matrix, target traffic limitation
The element of matrix is by sailing mouthful Jing traffic routes into the traffic limitation value for rolling mouth away from.
For example, target area can be world region, regional or Beijing Area etc., when target area to be obtained
Target traffic restricted information when, can first target setting time period T, target time section T can be one month, one week, one day
Deng；Then obtain in target time section T, by the wheelpath information of the vehicle of traffic route in target area, wherein hand over
Passway can be driving passage between intersection in target area, intersection etc., and wheelpath information can be recognized
Be the wheelpath of certain traffic route in target area, for example, when traffic route is the driving passage between intersection,
Wheelpath information then includes wheelpath of the vehicle on road, and when traffic route is intersection, wheelpath information is then
The wheelpath for rolling mouth away from that mouthful Jing intersections drive to intersection sailed into by intersection including vehicle.
According to wheelpath information, then can obtain in target time section T, the driving of traffic route in target area is led to
Market condition matrix, for traffic route be intersection between driving passage in the case of, the driving passage situation matrix of road
For a number, the number is in target time section T, by the quantity of the vehicle of the road, for traffic route is intersection
Situation, driving passage situation matrix be, in target time section T, to be driven to by mouthful Jing intersections of sailing into for the intersection
The matrix that the quantity of the vehicle for rolling mouth away from of the intersection is collectively formed, wherein it is possible to by driving passage situation matrix row
Be set to sail into intersection sails mouth into, rolls mouth away from by what driving passage situation matrix column was set to roll away from intersection,
The element of driving passage situation matrix is then by the quantity for sailing mouthful Jing intersections into the vehicle for rolling mouth away from.
Obtain the driving passage situation for analyzing traffic route in target area after the driving passage situation matrix of traffic route
Matrix, and then the target traffic limitation matrix of traffic route is obtained, wherein, for traffic route is the driving between intersection
The situation of passage, target traffic limitation matrix are a number, and the number is the traffic limitation value of the road, and traffic limitation value represents this
Whether road has traffic limitation, and the grade of the traffic limitation of the road, and for example, traffic limitation value is 0, then it represents that the road
Road does not have traffic limitation, and traffic limitation value is 1, then it represents that the road has traffic limitation, and the grade of traffic limitation for rudimentary, friendship
Logical limits value is 2, then it represents that the road has traffic limitation, and the grade of traffic limitation is middle rank, and traffic limitation value is 3, then table
Show that the road has traffic limitation, and the grade of traffic limitation is senior；When traffic route is intersection, target is handed over
Logical restriction matrix is to sail the traffic limitation for rolling mouth away from that mouthful Jing intersections drive to the intersection into by the intersection
The matrix that value is collectively formed, wherein it is possible to the row of target traffic limitation matrix is set to sail the mouth that sails into of intersection into, will
Target traffic limitation matrix column is set to roll away from the mouth that rolls away from of intersection, and the element of target traffic limitation matrix is then by sailing
Jing after intersection to the traffic limitation value for rolling mouth away from, the element representation by sailing into mouthful Jing after intersection to rolling mouth away from is entrance
It is no with traffic limitation, and the grade of traffic limitation, target traffic limitation matrix then show traffic restricted information.
According to above-mentioned analysis, in the method for obtaining traffic restricted information provided in an embodiment of the present invention, by dividing
Wheelpath information of the analysis by the vehicle of traffic route in target area, the driving for obtaining traffic route in target area are passed through
Situation matrix, then by the driving passage situation matrix of traffic route in analysis target area, obtains the target of traffic route
Traffic limitation matrix, that is, pass through the field data acquisition personnel of map supply business outside in obtaining traffic restricted information, with prior art
Collection obtains traffic restricted information and compares, and improves the promptness for obtaining traffic restricted information.
In addition, in the prior art, acquisition traffic limitation letter is gathered outside by the field data acquisition personnel of map supply business
During breath, it usually needs send substantial amounts of field data acquisition personnel to some other department, when causing to obtain traffic restricted information, substantial amounts of manpower money can be expended
Source and material resources, and in the method for obtaining traffic restricted information provided in an embodiment of the present invention, by analysis by target
The wheelpath information of the vehicle of traffic route in region, obtains the driving passage situation matrix of traffic route in target area,
Then by the driving passage situation matrix of traffic route in analysis target area, obtain the target traffic limitation square of traffic route
Battle array, that is, obtain traffic restricted information, need not send substantial amounts of field data acquisition personnel to some other department, therefore save substantial amounts of human resourcess and thing
Power resource.
Furthermore, in the prior art, acquisition traffic limitation letter is gathered outside by the field data acquisition personnel of map supply business
During breath, due to needing to send substantial amounts of field data acquisition personnel to some other department, thus in order to save human resourcess and material resources, generally according to Jing
Test determination need to send the traffic route of field data acquisition personnel to some other department, for example, long-time do not gather traffic restricted information traffic route,
Jing often frequently changes traffic route etc. of traffic restricted information, then to needing the traffic route for sending collector to some other department to send collection to some other department
Personnel, and other traffic routes then continue to adopt original traffic restricted information, the traffic restricted information for causing to obtain it is accurate
Property is relatively low；And in the method for obtaining traffic restricted information provided in an embodiment of the present invention, by analysis by target area
The wheelpath information of the vehicle of traffic route, obtains the driving passage situation matrix of traffic route in target area, Ran Houtong
The driving passage situation matrix of traffic route in analysis target area is crossed, the target traffic limitation matrix of traffic route is obtained, i.e.,
Traffic restricted information is obtained, thus can be using the method for obtaining traffic restricted information provided in an embodiment of the present invention to target area
Each traffic route in domain is analyzed, to obtain the traffic restricted information of each traffic route, such that it is able to improve friendship
The accuracy of logical restricted information.
In the method for obtaining traffic restricted information provided in an embodiment of the present invention, the driving of complicated traffic route is led to
Market condition is represented using matrix, thus simplifies analytical calculation process.
In the above-described embodiments, can be obtained using various ways by the wheelpath information of the vehicle of traffic route,
Refer to Fig. 2, in embodiments of the present invention, step S100, obtain in target time section T, by traffic road in target area
The wheelpath information of the vehicle on road includes：
Step S110, obtain in target time section T, the not road location information of vehicle in the same time on traffic route.
Step S120, according to road location information, obtain wheelpath information of the vehicle by traffic route.
For example, with acquisition in target time section T, by the driving of the vehicle of certain intersection in target area
Said method is illustrated as a example by trace information, Fig. 3 is referred to, and the intersection is right-angled intersection, and the intersection includes four
It is individual sail mouth (being represented with Li1, Li2, Li3 and Li4 respectively) into and four roll mouth (being represented with Lo1, Lo2, Lo3 and Lo4 respectively) away from,
GPS (Global Positioning System, global positioning system) can be first passed through to obtain in target time section T, it is different
The road location information of the vehicle on the moment intersection, the road location information of vehicle include the position that vehicle is presently in
(longitude and latitude can be adopted to represent, or other location informations are indicated), the moment that vehicle is presently in, the mark of vehicle
Number (line label can be entered to vehicle automatically by GPS, it would however also be possible to employ label of the license plate number of vehicle as the vehicle), vehicle
Speed and vehicle angle etc.；Then according in target time section T, the not row of vehicle in the same time on the intersection
Truck position information, by vehicle location is not linked up in the same time, obtains track of the vehicle by intersection, the track
Can be：Travelled to rolling a mouthful Lo1 away from, travelled to rolling mouth away from by sailing mouthful Li1 Jing intersections into by mouthful Li1 Jing intersections are sailed into
Lo2, travelled to rolling a mouthful Lo3 away from, travelled to rolling mouth away from by sailing mouthful Li1 Jing intersections into by sailing mouthful Li1 Jing intersections into
Lo4, travelled to rolling a mouthful Lo1 away from, travelled to rolling mouth away from by sailing mouthful Li2 Jing intersections into by sailing mouthful Li2 Jing intersections into
Lo2, travelled to rolling a mouthful Lo3 away from, travelled to rolling mouth away from by sailing mouthful Li2 Jing intersections into by sailing mouthful Li2 Jing intersections into
Lo4, travelled to rolling a mouthful Lo1 away from, travelled to rolling mouth away from by sailing mouthful Li3 Jing intersections into by sailing mouthful Li3 Jing intersections into
Lo2, travelled to rolling a mouthful Lo3 away from, travelled to rolling mouth away from by sailing mouthful Li3 Jing intersections into by sailing mouthful Li3 Jing intersections into
Lo4, travelled to rolling a mouthful Lo1 away from, travelled to rolling mouth away from by sailing mouthful Li4 Jing intersections into by sailing mouthful Li4 Jing intersections into
Lo2, travelled to rolling a mouthful Lo3 away from, travelled to rolling mouth away from by sailing mouthful Li4 Jing intersections into by sailing mouthful Li4 Jing intersections into
Lo4, that is, obtain wheelpath information of the vehicle by intersection.
By vehicle location is not linked up in the same time, when obtaining vehicle by the track of intersection, can be by
In per N minutes, location is not linked up in the same time, track of the acquisition vehicle within N minutes, then by multiple N points for vehicle
The track of clock vehicle couples together, and then obtains track of the vehicle by intersection, wherein, N≤T.
As the above analysis, in embodiments of the present invention, by obtaining in target time section T, not traffic in the same time
The road location information of road vehicle, and then wheelpath information of the vehicle by traffic route is obtained, can improve and obtain
The accuracy of the wheelpath information for obtaining.
Please continue to refer to Fig. 2, in step S110, obtain in target time section T, not vehicle in the same time on traffic route
Road location information after, step S120, according to road location information, obtain vehicle and believed by the wheelpath of traffic route
Before breath, step S100, obtain in time period T, by the wheelpath information of the vehicle of traffic route in target area also
Including：
Step S110 ', remove road location information in, invalid road location information.
Specifically, in the above-described embodiments, road location information includes that position, vehicle that vehicle is presently in are presently in
Moment, the label of vehicle, the angle of the speed of vehicle and vehicle etc., invalid road location information can be current for vehicle
The road location information of location mistake, or, the moment that invalid road location information can be presently in for vehicle
The road location information of mistake, for example, the moment that vehicle is presently in not in target time section T, or, invalid driving position
Confidence breath can be the wrong road location information of the speed of vehicle, and for example, the speed of vehicle is more than 250km/m, or, it is invalid
Road location information can be the wrong road location information of angle of vehicle, for example, the angle of vehicle is more than 360 °.By nothing
After the road location information of effect is removed, the road location information used during acquisition wheelpath information can be caused correct,
So as to improve the accuracy of the wheelpath information of acquisition.
In step S120, according to road location information, after obtaining wheelpath information of the vehicle by traffic route, please
With continued reference to Fig. 2, step S100, acquisition are believed by the wheelpath of the vehicle of traffic route in target area in time period T
Breath also includes：
Step S120 ', remove wheelpath information in, invalid wheelpath information.
Specifically, in the wheelpath information that above-described embodiment is obtained, it is understood that there may be invalid wheelpath information, example
Such as, in for the wheelpath information of the vehicle by the right-angled intersection in target area, Fig. 3, decussation are referred to
Crossing include four sail mouth (being represented with Li1, Li2, Li3 and Li4 respectively) into and four roll mouth away from (respectively with Lo1, Lo2, Lo3
Represent with Lo4), wherein, it can only drive towards right-angled intersection to sail the direction of traffic on mouth (Li1, Li2, Li3 or Li4) into, sail
Direction of traffic in outlet (Lo1, Lo2, Lo3 or Lo4) can only sail out of right-angled intersection, and by the cross roads
Mouthful vehicle wheelpath information in, exist by rolling mouth (Lo1, Lo2, Lo3 or Lo4) Jing right-angled intersections away to sailing mouth into
The wheelpath information of (Li1, Li2, Li3 or Li4), then the wheelpath information is invalid wheelpath information, and this is invalid
Wheelpath information should then remove.
Please continue to refer to Fig. 2, in embodiments of the present invention, step S300, the target traffic limitation square of acquisition target area
Battle array includes：
Step S310, according to driving passage situation matrix, obtain driving passage situation matrix reliability matrix, credibility
The element of matrix is the credibility of the element corresponding to driving passage situation matrix.
Step S320, according to driving passage situation matrix, obtain traffic route doubtful traffic limitation matrix.
Step S330, the target traffic limitation for according to reliability matrix and doubtful traffic limitation matrix, obtaining traffic route
Matrix.
For example, to obtain in target time section T, the target traffic limitation of certain right-angled intersection in target area
Be described in detail as a example by matrix above-mentioned steps, refers to Fig. 3, right-angled intersection include four sail into mouth (respectively with Li1,
Li2, Li3 and Li4 are represented) and four roll mouth (being represented with Lo1, Lo2, Lo3 and Lo4 respectively) away from, according to obtain in target
Between in section T, by the wheelpath information of the vehicle of the right-angled intersection, calculate the number of the vehicle with identical wheelpath
Amount, so as to set up in target time section T, the driving passage situation matrix of the right-angled intersection, wherein, as shown in table 1, OK
The row of car passage situation matrix is set as sailing mouthful Li1, Li2, Li3 and a Li4 into, and driving passage situation matrix column is set as rolling away from
Mouthful Lo1, Lo2, Lo3 and Lo4, the element of passage situation matrix of driving a vehicle be then in target time section T, by sail into mouth (Li1,
Li2, Li3 or Li4) Jing right-angled intersections are travelled to the quantity of the vehicle for rolling mouth (Lo1, Lo2, Lo3 or Lo4) away from.
According to driving passage situation matrix, the reliability matrix of driving passage situation matrix can be first obtained.Generally, if
When the right-angled intersection does not have traffic limitation, then it is considered that the quantity of the vehicle with similar wheelpath should phase
Difference is little, and specifically, as shown in table 1, in table 1, A11, A22, A33 and A44 should be more or less the same, in table 1 A12, A23, A34 and
A41 should be more or less the same, and in table 1, A13, A24, A31 and A42 should be more or less the same, and in table 1, A14, A21, A32 and A43 should phases
Difference is little.If the driving passage situation matrix for being obtained is present：A11, A22, A33 and A44 are more or less the same, A12, A23, A34
It is more or less the same with A41, and A13, A24, A31 and A42 is more or less the same, then it is considered that every in above-mentioned driving passage situation matrix
Individual element is all believable, can obtain the reliability matrix corresponding with the driving passage situation matrix, wherein, credibility square
The element of battle array is 100%, that is, the credibility of the element in passage situation matrix of driving a vehicle is 100%.
| Li1 | Li2 | Li3 | Li4 | |
| Lo1 | A11 | A21 | A31 | A41 |
| Lo2 | A12 | A22 | A32 | A42 |
| Lo3 | A13 | A23 | A33 | A43 |
| Lo4 | A14 | A24 | A34 | A44 |
Table 1
If the driving passage situation matrix for being obtained is present：One of element in A11, A22, A33 and A44 or its
In two elements it is less, or/and, the one of element or two of which element in A12, A23, A34 and A41 is less, or/
With the one of element or two of which element in A13, A24, A31 and A42 is less, then for less element, Ke Yijie
The size of conjunction right-angled intersection, the distance of the intersection of right-angled intersection periphery and the right-angled intersection, cross are handed over
History driving situation of change of cross road mouth etc., determines the credibility of the element.
According to driving passage situation matrix, doubtful traffic limitation matrix is obtained, specifically, can be to passage situation square of driving a vehicle
Battle array is normalized, and obtains doubtful traffic limitation matrix, wherein, above-mentioned reliability matrix also with doubtful traffic limitation matrix
Correspondence, i.e., the element of above-mentioned reliability matrix may be considered the credibility of corresponding element in doubtful traffic limitation matrix.
According to reliability matrix and doubtful traffic limitation matrix, the target traffic limitation matrix of traffic route is obtained, specifically
Ground, when the element in reliability matrix is above default credibility, that is, the credibility of the element of passage situation matrix of driving a vehicle is high
The Feasible degree of the element in default credibility, doubtful traffic limitation matrix is also above default credibility, now, doubtful traffic
Restriction matrix is the target traffic limitation matrix of traffic route；Some of reliability matrix element is less than default credibility
When, it is suspicious less than the corresponding element of the element of default credibility with reliability matrix in doubtful traffic limitation matrix, then can be with
Sending field data acquisition personnel to some other department and going to the traffic route carries out on-the-spot investigation, to determine correct traffic limitation value, and to doubtful friendship
In logical restriction matrix, suspicious element is updated, and obtains the target traffic limitation matrix of traffic route, that is, obtains traffic limitation
Information.
It is worthy of note that, in above-described embodiment, the order here of step S310 and step S320 is not limited, Ke Yishi
Step S310, then execution step S320 is first carried out, or, can first carry out step S320, then execution step S310, or,
Step S310 and step S320 are carried out simultaneously.
Please continue to refer to Fig. 2, in embodiments of the present invention, in step S100, obtain in time period T, in target area
Before wheelpath route on traffic route, the method for obtaining traffic restricted information also includes：
Step S10, target area is divided into equal-sized multiple grids, and is equal in magnitude by each stress and strain model
Multiple pixels.
Step S20, by traffic route correspondence mappings in pixel, formed initial figure.
Step S30, according to the category of roads of traffic route, the traffic route in initial figure is virtually widened,
Form target grid map.
When being embodied as, when obtaining the traffic restricted information of national areas, national areas can be divided into multiple 2.5km
The grid of × 2.5km, pixel of each stress and strain model for 1024 × 1024 2.44m × 2.44m；Then by traffic route correspondence
It is mapped in pixel, forms initial figure, in initial figure, the size (width, length etc.) of traffic route is by actual
Within the pixel, traffic route is according to the actual corresponding pixel of size envelope for value mapping；Then according to road of traffic route etc.
Level, is virtually widened to the traffic in initial figure, forms target grid map, i.e., according to the category of roads of traffic route,
Traffic route is virtually widened corresponding multiple, the more pixels of traffic route envelope are made.When obtain target time section T in, mesh
When marking the wheelpath route in region on traffic route, GPS can be first passed through and obtained in target time section T, not in the same time
The road location information of the vehicle on traffic route, road location information is accordingly mapped in target grid map, then by car
Location is not linked up in the same time, track of the vehicle by traffic route is obtained, the track is directly displayed at mesh
In mark grid map, wheelpath information of the vehicle by traffic route can be clearly obtained.
In addition, according to the category of roads of traffic route, virtually being widened to the traffic route in initial figure, formed
Target grid map, thus in target grid map, equivalent to traffic route is widened, the more pixels of traffic route envelope, because
This, can make up the error during road location information of the vehicle obtained not by GPS on traffic route in the same time, reduce logical
The interference that GPS obtains not the road location information time error of the vehicle on traffic route in the same time is crossed, is prevented because being obtained by GPS
There is no error during the road location information of vehicle in the same time on traffic route and cause the driving passage situation matrix for obtaining
Accuracy.
Please continue to refer to Fig. 2, in embodiments of the present invention, in step S300, the target traffic limitation of acquisition traffic route
After matrix, the method for obtaining traffic restricted information also includes：
Step S400, the original traffic restriction matrix obtained in electronic chart.
Step S500, contrast target traffic limitation matrix and original traffic restriction matrix, obtain traffic limitation change matrix.
Step S600, according to traffic limitation change matrix, the original traffic restriction matrix in electronic chart is updated.
By contrasting target traffic limitation matrix and original traffic restriction matrix, to obtain traffic limitation change matrix, enter
And original traffic restriction matrix is updated, when being updated to original traffic restriction matrix, it is only necessary to the traffic to changing
Limits value updates, and without the need for being updated to whole original traffic restriction matrix, improve is carried out to original traffic restriction matrix
Efficiency during renewal.
Fig. 4 is referred to, the embodiment of the present invention also provides a kind of device for obtaining traffic restricted information, for realizing as described above
The method of the acquisition traffic restricted information described in embodiment, the device of the acquisition traffic restricted information include the first acquisition module
10th, the second acquisition module 20 and the 3rd acquisition module 30, wherein, the first acquisition module 10 is used for obtaining in target time section T,
By the wheelpath information of the vehicle of traffic route in target area；Second acquisition module 20 is connected with the first acquisition module 10
Connect, the second acquisition module 20 for according to wheelpath information, obtaining in target time section T, traffic route in target area
Driving passage situation matrix, the element of passage situation matrix of driving a vehicle is sailing into mouthful Jing after traffic route to friendship by traffic route
The quantity of the vehicle for rolling mouth away from of passway；3rd acquisition module 30 is connected with the second acquisition module 20, the 3rd acquisition module 30
For according to driving passage situation matrix, obtaining the target traffic limitation matrix of traffic route, the unit of target traffic limitation matrix
Element is by sailing into mouthful Jing after traffic route to the traffic limitation value for rolling mouth away from.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for device reality
For applying example, as which is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to embodiment of the method
Part explanation.
Please continue to refer to Fig. 4, the first acquisition module 10 includes that the first extraction module 11, the first computing module 12, first are clear
Except module 13 and second removes module 14, wherein, the first extraction module 11 is used for obtaining in target time section T, not in the same time
The road location information of the vehicle on traffic route；First removing module 13 is connected with the first extraction module 11, and first removes mould
Block 13 is used for removing in the road location information acquired in the first extraction module 11, invalid road location information；First calculates
Module 12 is connected with the first extraction module 11, and is connected with the first removing module 13, for being obtained according to the first extraction module 11,
Road location information Jing after the first removing module 13 removes invalid road location information, obtains vehicle by traffic route
Wheelpath information；Second removing module 14 is connected with the first computing module 12, and second removes module 14 is used for removing driving rail
In mark information, invalid wheelpath information.
3rd acquisition module 30 includes the second computing module 31, the 3rd computing module 32 and the 4th computing module 33, wherein,
Second computing module 31 is connected with the second acquisition module 20, the second computing module 31 for according to driving passage situation matrix, obtain
The reliability matrix of driving passage situation matrix is taken, the element of reliability matrix is the element corresponding to driving passage situation matrix
Credibility；3rd computing module 32 is connected with the second acquisition module 20, and the 3rd computing module 32 is for according to the current feelings of driving
Condition matrix, obtains the doubtful traffic limitation matrix of traffic route；4th computing module 33 is connected with the second computing module 31, and with
3rd computing module 32 connects, and the 4th computing module 33 is for according to the doubtful traffic limitation matrix of reliability matrix, acquisition traffic
The target traffic limitation matrix of road.
The device for obtaining traffic restricted information also includes division module 40, mapping block 50 and buffer module 60, its
In, division module 40 is for being divided into equal-sized multiple grids by target area, and is size phase by each stress and strain model
Deng multiple pixels；Mapping block 50 is connected with division module 40, and mapping block 50 is for by traffic route pair in target area
Should be mapped in pixel, form initial figure；Buffer module 60 is connected with mapping block 50, and buffer module 60 is for according to friendship
The category of roads of passway, is virtually widened to the traffic route in initial figure, forms target grid map.
The device for obtaining traffic restricted information also includes the 4th acquisition module 70, comparison module 80, update module 90,
Wherein, the 4th acquisition module 70 is used for obtaining the original traffic restricted information in electronic chart；Comparison module 80 and the 3rd is obtained
Module 30 connects, and is connected with the 4th acquisition module 70, and comparison module 80 is used for contrasting target traffic restricted information and original friendship
Logical restricted information, obtains traffic limitation modification information；Update module 90 is connected with comparison module 80, and with the 4th acquisition module 70
Connection, update module 90 is for according to traffic limitation modification information, carrying out more to the original traffic restricted information in electronic chart
Newly.
In the description of above-mentioned embodiment, specific features, structure, material or feature can be at any one or many
Combined in individual embodiment or example in an appropriate manner.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (12)
1. it is a kind of obtain traffic restricted information method, it is characterised in that include：
Step S100, obtain in target time section T, by the wheelpath information of the vehicle of traffic route in target area；
Step S200, according to the wheelpath information, obtain in target time section T, the driving of the traffic route
Passage situation matrix, the element of the driving passage situation matrix be by the traffic route sail mouthful Jing into described in traffic route
The quantity of the vehicle for rolling mouth away from of the traffic route is arrived afterwards；
Step S300, according to the driving passage situation matrix, obtain the target traffic limitation matrix of the traffic route, it is described
The element of target traffic limitation matrix is to be sailed into after mouthful traffic route described in the traffic limitation value for rolling mouth away from by described.
2. it is according to claim 1 obtain traffic restricted information method, it is characterised in that step S100 includes：
, in target time section T, the road location of vehicle in the same time on the traffic route is not believed for step S110, acquisition
Breath；
Step S120, according to the road location information, obtain wheelpath information of the vehicle by the traffic route.
3. it is according to claim 2 obtain traffic restricted information method, it is characterised in that step S110 it
Afterwards, before step S120, step S100 also includes：
Step S110 ', remove in the road location information, invalid road location information.
4. it is according to claim 2 obtain traffic restricted information method, it is characterised in that step S120 it
Afterwards, step S100 also includes：
Step S120 ', remove in the wheelpath information, invalid wheelpath information.
5. it is according to claim 1 obtain traffic restricted information method, it is characterised in that step S300 includes：
Step S310, according to it is described driving passage situation matrix, obtain it is described driving passage situation matrix reliability matrix, institute
The element for stating reliability matrix is the credibility of the element corresponding to the driving passage situation matrix；
Step S320, according to the driving passage situation matrix, obtain the doubtful traffic limitation matrix of the traffic route；
Step S330, the target for according to the reliability matrix and the doubtful traffic limitation matrix, obtaining the traffic route
Traffic limitation matrix.
6. it is according to claim 1 obtain traffic restricted information method, it is characterised in that step S100 it
Before, the method for obtaining traffic restricted information also includes：
Step S10, the target area is divided into equal-sized multiple grids, and is size by each described stress and strain model
Equal multiple pixels；
Step S20, by the traffic route correspondence mappings in the pixel, formed initial figure；
Step S30, according to the category of roads of the traffic route, void is carried out to the traffic route in the initial figure
Plan is widened, and forms target grid map.
7. it is according to claim 1 obtain traffic restricted information method, it is characterised in that step S300 it
Afterwards, the method for obtaining traffic restricted information also includes：
Step S400, the original traffic restriction matrix obtained in electronic chart；
Step S500, the contrast target traffic limitation matrix and the original traffic restriction matrix, obtain traffic limitation change
Matrix；
Step S600, according to the traffic limitation change matrix, the original traffic restriction matrix in the electronic chart is carried out
Update.
8. it is a kind of obtain traffic restricted information device, it is characterised in that for realize as described in any one of claim 1～7
Acquisition traffic restricted information method, the device of the acquisition traffic restricted information includes that the first acquisition module, second obtain
Module and the 3rd acquisition module, wherein,
First acquisition module is used for obtaining in target time section T, by the row of the vehicle of traffic route in target area
Wheel paths information；
Second acquisition module is connected with first acquisition module, and second acquisition module is for according to the driving rail
Mark information, obtains in target time section T, the driving passage situation matrix of the traffic route in the target area,
The element of the driving passage situation matrix is sailing into after mouthful traffic route described in the traffic by the traffic route
The quantity of the vehicle for rolling mouth away from of road；
3rd acquisition module is connected with second acquisition module, and the 3rd acquisition module is for logical according to the driving
Market condition matrix, obtains the target traffic limitation matrix of the traffic route, and the element of the target traffic limitation matrix is served as reasons
It is described sail mouthful traffic route described in into after to the traffic limitation value for rolling mouth away from.
9. it is according to claim 8 obtain traffic restricted information device, it is characterised in that the first acquisition module bag
Include the first extraction module, the first computing module, the first removing module and second and remove module, wherein,
First extraction module is used for obtaining in target time section T, not vehicle in the same time on the traffic route
Road location information；
The first removing module is connected with first extraction module, and the first removing module is carried for removing described first
In the road location information acquired in delivery block, invalid road location information；
First computing module is connected with first extraction module, and is connected with the described first removing module, for basis
The road location after first extraction module is obtained, the first removing module removes invalid road location information described in
Information, obtains wheelpath information of the vehicle by the traffic route；
The second removing module is connected with first computing module, and the second removing module is used for removing the driving rail
In mark information, invalid wheelpath information.
10. it is according to claim 8 obtain traffic restricted information device, it is characterised in that the 3rd acquisition module
Including the second computing module, the 3rd computing module and the 4th computing module, wherein,
Second computing module is connected with second acquisition module, and second computing module is for logical according to the driving
Market condition matrix, obtains the reliability matrix of the driving passage situation matrix, the element of the reliability matrix be corresponding to
The credibility of the element of the driving passage situation matrix；
3rd computing module is connected with second acquisition module, and the 3rd computing module is for logical according to the driving
Market condition matrix, obtains the doubtful traffic limitation matrix of the traffic route；
4th computing module is connected with second computing module, and is connected with the 3rd computing module, the described 4th
Computing module obtains the target traffic of the traffic route for the doubtful traffic limitation matrix according to the reliability matrix
Restriction matrix.
11. devices for obtaining traffic restricted information according to claim 8, it is characterised in that the acquisition traffic limitation
The device of information also includes division module, mapping block and buffer module, wherein,
The division module is for being divided into equal-sized multiple grids by the target area, and each described grid is drawn
It is divided into equal-sized multiple pixels；
The mapping block is connected with the division module, and the mapping block is for by the traffic road in the target area
Road correspondence mappings form initial figure in the pixel；
The buffer module is connected with the mapping block, and the buffer module is for road according to the traffic route etc.
Level, is virtually widened to the traffic route in the initial figure, forms target grid map.
12. devices for obtaining traffic restricted information according to claim 8, it is characterised in that the acquisition traffic limitation
The device of information also includes the 4th acquisition module, comparison module, update module, wherein,
4th acquisition module is used for obtaining the original traffic restricted information in electronic chart；
The comparison module is connected with the 3rd acquisition module, and is connected with the 4th acquisition module, the comparison module
For contrasting the target traffic restricted information and the original traffic restricted information, traffic limitation modification information is obtained；
The update module is connected with the comparison module, and is connected with the 4th acquisition module, and the update module is used for
According to the traffic limitation modification information, the original traffic restricted information in the electronic chart is updated.
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