CN107172147A - Topological structure acquisition device and method between nodal information acquisition device, vehicle - Google Patents
Topological structure acquisition device and method between nodal information acquisition device, vehicle Download PDFInfo
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- CN107172147A CN107172147A CN201710341421.4A CN201710341421A CN107172147A CN 107172147 A CN107172147 A CN 107172147A CN 201710341421 A CN201710341421 A CN 201710341421A CN 107172147 A CN107172147 A CN 107172147A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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Abstract
Embodiments of the invention provide topological structure acquisition device and method between nodal information acquisition device, vehicle.Nodal information acquisition device includes：Image acquisition units, are configured as obtaining the image information of the nearby vehicle adjacent with node vehicle；Apart from detection unit, the distance between measuring node vehicle and nearby vehicle and orientation are configured as；Positioning unit, is configured as obtaining the positional information of node vehicle；Processor unit, is configured as recognizing the identity of nearby vehicle according to the image information of described nearby vehicle, and is configured as building nodal information according to the identity, the distance and the orientation and the positional information.Embodiments in accordance with the present invention, can obtain the topological structure between vehicle in road driving, to support more car networking applications.
Description
Technical field
The present invention relates to vehicle technology, and in particular between nodal information acquisition device, vehicle topological structure acquisition device with
And method.
Background technology
As vehicle electrical gasifies, digitized development, increasing vehicle possesses network connecting function.With various nets
Based on network linkage function, the various interconnection techniques between vehicle and vehicle, vehicle and infrastructure or vehicle and people are also obtained
Various types of information can be mutually sent between the extensive development arrived, each object (vehicle, infrastructure, people).In hair
Deliver letters breath when, originator needs to select the identity of destination, for example, license number, vehicle electronic identity identification (for example,
The network address uniquely specified) etc., to ensure that information correctly can be passed on and received.So, in not exchanged identity
Between the vehicle of information, it is impossible to set up the channel for sending information, which has limited the network application between vehicle.For example, exist
When front vehicles observe dangerous situation, because not knowing which vehicle periphery has, less know that identity of nearby vehicle etc. is believed
Breath, so also early warning can not be carried out to " strange " vehicle on periphery by the network between vehicle, it is impossible to effectively prevent a chain of thing
Therefore generation.
The content of the invention
Embodiments of the invention provide topological structure acquisition device and method between nodal information acquisition device, vehicle, use
In identification testing vehicle register, the contact set up between the Adjacent vehicles travelled on road, to support the network application between vehicle.
According to one side, embodiments of the invention provide a kind of nodal information acquisition device, wherein, nodal information bag
Identity, the position of node vehicle, the identity of nearby vehicle, and nearby vehicle are included relative to the distance and bearing of node vehicle.
Nodal information acquisition device includes：Image acquisition units, are configured as obtaining the image of the nearby vehicle adjacent with node vehicle
Information；Apart from detection unit, the distance between measuring node vehicle and nearby vehicle and orientation are configured as；Positioning unit, quilt
It is configured to obtain the positional information of node vehicle；Processor unit, is configured as recognizing week according to the image information of nearby vehicle
The identity of side vehicle, and be configured as building nodal information according to identity, distance and bearing and positional information.
In an embodiment of the present invention, identity includes license number.
In an embodiment of the present invention, nodal information acquisition device also includes：Display unit, is configured as scheming to user
Show to shape the nodal information.
According to second aspect, embodiments of the invention provide topological structure acquisition device between vehicle.Topology knot between vehicle
Structure acquisition device includes the webserver, and multiple above-mentioned nodal information acquisition device.Nodal information acquisition device is also wrapped
Include network communication unit.The webserver communicates with the network communication unit of the nodal information acquisition device of multiple node vehicles,
And it is configured as：Multiple nodal informations are received from the network communication unit of multiple nodal information acquisition device；According to multiple sections
Point information, obtains topological structure between the vehicle of multiple vehicles；And to the network communication unit of multiple nodal information acquisition device
Send topological structure between vehicle.
In an embodiment of the present invention, identity includes license number, and vehicle electronic identity is recognized.Processor list
Member is configured as the license number of the image information acquisition nearby vehicle according to nearby vehicle.The webserver is also configured
For：According to license number, vehicle electronic identity identification is obtained；And it is configured as vehicle electronic identity identification being attached to
Topological structure between vehicle.
In an embodiment of the present invention, nodal information acquisition device also includes：Display unit, is configured as aobvious to user
Show topological structure between vehicle.
In an embodiment of the present invention, network communication unit is additionally configured to：Obtain and taken from other vehicles or network
The social information of business device, and the identity for transmitting vehicle included in social information is obtained, display unit is additionally configured to：Aobvious
Sign transmits vehicle in topological structure between the vehicle shown.
In an embodiment of the present invention, display unit is additionally configured to：User is allowed to select shown by display unit
Any vehicle between vehicle in topological structure is to be used as collection of letters vehicle.
In an embodiment of the present invention, network communication unit is additionally configured to：Obtain and taken from other vehicles or network
The accident or traffic information of business device, and obtain the identity of the associated vehicle included in accident or traffic information.Display is single
Member is additionally configured to：Between the vehicle of display associated vehicle is indicated in topological structure.
According to the 3rd aspect, embodiments of the invention provide a kind of node information acquisition method, wherein, nodal information bag
Identity, the position of node vehicle, the identity of nearby vehicle, and nearby vehicle are included relative to the distance and bearing of node vehicle.
Node information acquisition method includes：The image information of the nearby vehicle adjacent with node vehicle is obtained, to recognize nearby vehicle
Identity；Obtain the distance between node vehicle and nearby vehicle and azimuth information；Obtain the positional information of node vehicle；And root
According to the identity of nearby vehicle, distance and bearing, positional information formation nodal information.
According to the 4th aspect, embodiments of the invention provide topological structure acquisition methods between a kind of vehicle, including：Use
Above-mentioned node information acquisition method obtains multiple nodal informations；And the list of node vehicle is set up, successively in traversal of lists
Each node vehicle, node vehicle is plotted between vehicle in topological structure.
In an embodiment of the present invention, for the node vehicle that each is traversed, follow the steps below：I) node is drawn
Vehicle, including：Whether decision node vehicle has been plotted in topological structure, if it is not, then according to from node vehicle
Positional information, node vehicle is plotted in topological structure, if it is, not drawing node vehicle；Ii node vehicle) is drawn
All nearby vehicles, including：According to the information of the topological structure from node vehicle, the row of the nearby vehicle of node vehicle are set up
Table, and for the nearby vehicle in list, travel through successively；Wherein, for the nearby vehicle that each is traversed, following walk is carried out
Suddenly：Judge whether nearby vehicle has been plotted in topological structure, if it is not, then according to nodal information, by the nearby vehicle
It is plotted in topological structure, if it is, not drawing nearby vehicle.
In an embodiment of the present invention, the identity in nodal information includes license number, and vehicle electronic identity
Identification.Topological structure acquisition methods also include between vehicle：According to the image information of nearby vehicle, the vehicle board of nearby vehicle is recognized
According to number；According to license number, vehicle electronic identity identification is obtained；And vehicle electronic identity identification is attached to vehicle
Between topological structure.
Topological structure acquisition device and method between nodal information acquisition device, vehicle according to an embodiment of the invention,
The topological structure between vehicle can be obtained, to support more car networking applications.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of embodiments of the invention, the accompanying drawing of embodiment will be carried out below brief
Explanation, it should be appreciated that figures described below merely relates to some embodiments of the present invention, rather than limitation of the present invention, its
In：
Fig. 1 is the block diagram of nodal information acquisition device；
Fig. 2 is the schematic diagram of nodal information；
Fig. 3 is the schematic diagram for the flow for obtaining nodal information；
Fig. 4 is the block diagram of topological structure acquisition device between the vehicle for many vehicles；
Fig. 5 be obtain many vehicles vehicle between topological structure flow schematic diagram；
Fig. 6 is the schematic diagram of flow drawn of nodal information of the node vehicle for traversing；
Fig. 7 is the schematic diagram of topological structure corresponding with the multiple vehicles travelled on road；
Fig. 8 is the schematic diagram of the drawing process of the topological structure of the Some vehicles in Fig. 7.
Embodiment
In order that the technical scheme and advantage of embodiments of the invention are clearer, below in conjunction with accompanying drawing, to the present invention
The technical scheme of embodiment carry out clear, complete description.Obviously, described embodiment is the part implementation of the present invention
Example, rather than whole embodiments.Based on described embodiments of the invention, those skilled in the art are without creative labor
The every other embodiment obtained on the premise of dynamic, also belongs to the scope of protection of the invention.
Fig. 1 is the block diagram for nodal information acquisition device.As shown in figure 1, nodal information acquisition device 10 is arranged at work
For on the node vehicle of topological node, nodal information includes the identity of node vehicle, position, the identity of nearby vehicle, Yi Jizhou
The distance and the orientation of the side vehicle relative to node vehicle.Nodal information acquisition device 10 includes：Image acquisition units
101, apart from detection unit 102, positioning unit 103 and processor unit 104.Image acquisition units 101 are configured as obtaining
The image information of the nearby vehicle adjacent with node vehicle.Image acquisition units 101 can be arbitrary filming apparatus.Distance inspection
Survey unit 102 and be configured as the distance between measuring node vehicle and nearby vehicle and orientation, can be apart from detection unit 102
Arbitrary range unit, such as ultrasonic radar, laser radar.Range unit can be the radar with scan function, with
It is easy to detect the orientation and distance of nearby vehicle.Range unit can also only have unidirectional range capability, at this point it is possible to will
Multiple range units are arranged in the preset bearing of vehicle, to obtain the range information of the nearby vehicle on constant bearing.As
Example, such distance and bearing information can include：Front, 10 meters；Dead astern, 20 meters；Left front, 10 meters etc..Positioning
Unit 103 is configured as obtaining the positional information of node vehicle, and positioner can use arbitrary location technology.For example, fixed
Position device can be satellite positioning-terminal, by with gps satellite, GLONASS satellite, Beidou satellite, " Galileo " satellite
One or several kinds of communications to determine the positional information of node vehicle.Certainly, positioner can also be used from ground base
The information of Infrastructure is to be positioned.Processor unit 104, is configured as the image information identification periphery of the nearby vehicle of basis
The identity of vehicle.Arbitrary image processing hardware, software or its combination can be included in processor unit 104, with from image
The identity of nearby vehicle is recognized in information.The identity can include the license number of the mark of the determination as vehicle,
Other auxiliary informations such as color, brand, model (for example, car, car, lorry) can also be included.Processor unit 104 goes back quilt
It is configured to build nodal information according to identity, distance and bearing and positional information.
According to above-mentioned nodal information acquisition device 10, the topological structure between single unit vehicle can be obtained, can be by road
The vehicle travelled on road is corresponded with electronic vehicle identification individual in a communication network, and this can be for more cars
Working application is supported.
In addition, image acquisition units 101 can be additionally configured to the graphical information of the surrounding enviroment of acquisition node vehicle, with
Auxiliary positioning for vehicle.For example, the information of collection can be used to confirm that track, travel direction residing for vehicle etc..
Fig. 2 is the schematic diagram of the nodal information obtained.As shown in Fig. 2 left parts, vehicle A, vehicle B, vehicle C are in road
Upper traveling, and at a distance of nearer distance.Nodal information acquisition device 10 is provided with vehicle A.Nodal information acquisition device
10 acquire node vehicle A nodal information, and according to the information, can obtain vehicle A as shown in Fig. 2 right parts and
Topological structure between vehicle B, the vehicle C on its periphery.
Fig. 3 shows the flow for the method for obtaining the topological structure.As shown in figure 3, in step S301, obtaining around section
The image information of the nearby vehicle of point vehicle, to recognize the identity of nearby vehicle.In nodal information acquisition device 10 on vehicle A
Image acquisition units 101 obtained for vehicle B, vehicle C image, and image knowledge is carried out by processor unit 104
Not, to obtain vehicle B, vehicle C identity, the identity can include license number.As an example, vehicle B, vehicle C
License number can be B2222, C3333 respectively.
In step s 302, the distance between node vehicle and nearby vehicle and azimuth information are obtained.Node on vehicle A
Being examined apart from detection unit 102 for vehicle B, vehicle C relative to vehicle A distance and bearing in information acquisition device 10
Survey.As an example, following information can be obtained：Vehicle B is located at vehicle A left front, 30 meters；Vehicle C is located at vehicle A's
Right front, at 20 meters.
In step S303, the positional information of node vehicle is obtained.Determining in the nodal information acquisition device 10 on vehicle A
Bit location 103 obtains vehicle A position.As an example, vehicle A position can be represented with longitude AN and latitude AE, AN, AE can be with
It is the numerical value that any practical is determined.
In step s 304, according to the identity of nearby vehicle, distance and bearing, positional information formation nodal information.Vehicle A
On nodal information acquisition device 10 in processor unit 104 according to the data obtained in step S301-S303, obtain node
Information.The information of node can include the information of vehicle A and nearby vehicle, as an example, the nodal information obtained can be as
Shown in table 1.
The nodal information example of table 1
| Node vehicle | Vehicle A | License plate numbers：A1111 | Position：AN, AE |
| Nearby vehicle | Vehicle B | License plate numbers：B2222 | Position：Left front, 30 meters |
| Nearby vehicle | Vehicle C | License plate numbers：C3333 | Position：Right front, 20 meters |
Nodal information shown in table 1 is that can be used for drawing the topological structure shown in Fig. 2.According to the implementation of the present invention
Topological structure acquisition device and method between the vehicle of example, can obtain the topological structure between vehicle, to support more cars to join
Net application.So, more accurately information can be transmitted between neighbouring vehicle.
For example, in one application, if vehicle A has found that vehicle B brake lamp does not work, can send as follows comprising as follows
The information of content：" originator：A1111；Destination：B2222；Position relationship：B2222 is located at A1111 left front, 30 meters；Just
Text：B2222 brake lamp does not work ".Above- mentioned information can be text message or voice messaging.Above- mentioned information can be with
Arbitrary approach is sent, if for example, vehicle A and vehicle B are connected to identical data network (such as wide area network, LAN
Deng), and establishing point-to-point communication link, then above- mentioned information can be immediately sent to vehicle B.If vehicle A and car
B does not use data network, is only capable of being sent using predetermined broadcasting frequency or being received common broadcast message, then vehicle A
Above- mentioned information simply can be sent out in predetermined broadcasting frequency, target is received without specifying.Vehicle B is corresponding
The information is obtained under broadcasting frequency.No matter by which kind of mode, as long as vehicle B is received after this warning message, it is possible to
Know the source of warning message, this is conducive to vehicle B to judge for the really degree of warning message, and take and arrange accordingly
Apply.
It should be appreciated that in the accompanying drawings, for convenience, used order block diagram to be illustrated, but embodiments of the invention
This is not restricted to, the order between each step can be adjusted according to the actual requirements.
Fig. 4 be many vehicles vehicle between topological structure acquisition device block diagram.As shown in figure 4, topological structure is obtained between vehicle
Device is taken to include the webserver 20, and multiple above-mentioned nodal information acquisition device 10.Nodal information acquisition device 10 is also
Including network communication unit 105.The network service of the webserver 20 and the nodal information acquisition device 10 of multiple node vehicles
Unit 105 communicates, and is configured as：Multiple sections are received from the network communication unit 105 of multiple nodal information acquisition device 10
Point information；According to multiple nodal informations, topological structure between the vehicle of multiple vehicles is obtained；And obtain dress to multiple nodal informations
The network communication unit 105 for putting 10 sends topological structure between vehicle.In an embodiment of the present invention, the webserver 20 can be obtained
Multiple nodal informations are taken, topological structure between the vehicle to obtain multiple vehicles.Utilize the more powerful calculating of the webserver 20
Function and database are supported, more effective service can also be provided to more vehicles.
In an embodiment of the present invention, the identity in nodal information can include license number, and vehicle electric
Identification.The processor unit 104 of nodal information acquisition device 10 can be additionally configured to be believed according to the image of nearby vehicle
Breath obtains the license number of nearby vehicle.The webserver 20 can be additionally configured to：According to license number, obtain
Vehicle electronic identity is recognized；And vehicle electronic identity is recognized and is attached to topological structure between vehicle.License number and car
Corresponding relation between the identification of electronic identity can be stored in the webserver 20, in order to access.As an example,
When necessary, the webserver 20 can also access the database of regulatory authorities by specified mode, more complete to obtain
The data in face., can be with cross-regional limitation between vehicle using electronic identity identification information, the progress in vehicle internet
Fast and accurately communicate.
Fig. 5 be obtain many vehicles vehicle between topological structure flow schematic diagram.As shown in figure 5, drawing process bag
Include：S501, obtains multiple nodal informations；S502, sets up the list of node vehicle, successively each node car in traversal of lists
, node vehicle is plotted between vehicle in topological structure.In addition, as shown in fig. 6, in step S502, for each time
The node vehicle gone through, can be followed the steps below：S5021, draws node vehicle, including：Whether decision node vehicle
It is plotted in topological structure, if it is not, then according to the positional information from node vehicle, node vehicle is plotted in into topological knot
In structure, if it is, not drawing node vehicle；S5022, draws all nearby vehicles of node vehicle, including：According to from section
The information of the topological structure of point vehicle, sets up the list of the nearby vehicle of node vehicle, and for the nearby vehicle in list, according to
Secondary traversal；Wherein, for the nearby vehicle that each is traversed, follow the steps below：Judge whether nearby vehicle is painted
Make in topological structure, if it is not, then according to nodal information, the nearby vehicle is plotted in topological structure, if it is, not
Draw nearby vehicle.
Fig. 7 is the schematic diagram of topological structure corresponding with the multiple vehicles travelled on road.As an example, list
Vehicle A, vehicle B, vehicle C and its nearby vehicle, for example, vehicle D, vehicle E etc..As shown in fig. 7, being drawn in the webserver 20
Topological structure in, even vehicle relatively far apart, such as between vehicle D, vehicle E, can also easily set up communication
Connection.As an example, the flow direction for a part of information that arrow mark in Fig. 7 is likely to occur.
The webserver 20 is drawn after the topological structure shown in Fig. 7, sends it to each vehicle.The webserver 20 can
To send the corresponding figure of topological structure, on different vehicles, to obtain unified display effect.The webserver 20 also may be used
To send the corresponding data of topological structure, processor on vehicle reduces the figure of topological structure, and this can reduce data
Flow, and make full use of the disposal ability of vehicle itself.The corresponding data of topological structure can be stored and managed in forms such as chained lists
Reason.It should be appreciated that the webserver 20 needs only to send the minimal data required for reduction topological structure, and it is not required to
All nodal informations are sent to each vehicle.
In addition, the webserver 20 can optionally send topological structure according to the demand of vehicle.This can be in network
Configured in server 20 or vehicle.For example, the user of vehicle may want to stop receiving topological structure, or only
Only receive the relevant information of the nearby vehicle in specified range.As an example, vehicle B user may be solely focused on away from
From nearer vehicle, such as vehicle A, vehicle C, vehicle E, and the vehicle of distance relatively far away from is shielded, such as vehicle D.
Fig. 8 is the schematic diagram of the drawing process of the topological structure of the Some vehicles in Fig. 7.Hereinafter, with reference to Fig. 8, still with
Exemplified by vehicle A, vehicle B and vehicle C, it is further explained for above-mentioned drawing process.In step S501, acquisition vehicle A,
The nodal information that vehicle C is shown in vehicle B nodal information, table 3 is shown in vehicle B, vehicle C nodal information, table 2,
The set of multiple nodal informations is shown in table 4.
The vehicle B of table 2 nodal information example
| Node vehicle | Vehicle B | License plate numbers：B2222 | Position：BN, BE |
| Nearby vehicle | Vehicle A | License plate numbers：A1111 | Position：Right back, 30 meters |
| Nearby vehicle | Vehicle C | License plate numbers：C3333 | Position：Right side, 10 meters |
The vehicle C of table 3 nodal information example
| Node vehicle | Vehicle C | License plate numbers：C3333 | Position：CN, CE |
| Nearby vehicle | Vehicle A | License plate numbers：A1111 | Position：Left back, 20 meters |
| Nearby vehicle | Vehicle B | License plate numbers：B2222 | Position：Left side, 10 meters |
The information of the topological structure of table vehicle more than 4
In step S502, the webserver 20 can draw the topological structure of multiple vehicles according to the information of table 4.Can be with
Travel through first to vehicle A, now, because vehicle A was not drawn, draw vehicle A at position (AN, AE) place first.
Then, drawn for vehicle A nearby vehicle B and nearby vehicle C.Nearby vehicle B was not drawn, therefore, according to
Vehicle A position and vehicle A and vehicle B relativeness, draw vehicle B.Nearby vehicle C was not also drawn, therefore,
According to vehicle A position and vehicle A and vehicle C relativeness, vehicle C is drawn.Right side in the figure and Fig. 2 that now obtain
Shown is consistent.Fig. 8 leftmost side shows corresponding topological structure in 3 nodal informations.
Then, traverse node vehicle B, node vehicle B are drawn.Vehicle A and vehicle B relativeness is painted
System.However, vehicle C and vehicle B relativeness is not drawn also, therefore, drawn for vehicle C.On Fig. 8 right side
Partially illustrate topological structure now.
Finally, traversal is to node vehicle C, and node vehicle C is drawn, and vehicle A, vehicle B and vehicle C's is relative
Relation is all drawn, it is not necessary to carry out new drafting.The shown topological structure of lower right side point in Fig. 8 is now obtained, should
Specific topological structure can send to vehicle A, vehicle B, vehicle C to support more complicated network application.
In an embodiment of the present invention, carrying out traversal for node vehicle successively can also cause system to have the work(of redundancy
Energy.For example, in the case where node vehicle B fails to provide nodal information, after traverse node vehicle A and node vehicle C, also may be used
To obtain same topological structure.
In addition, the identity in nodal information can include license number, and vehicle electronic identity is recognized.Between vehicle
Topological structure acquisition methods can also include：According to the image information of nearby vehicle, the license number of nearby vehicle is recognized；
According to license number, vehicle electronic identity identification is obtained；And vehicle electronic identity is recognized and is attached to topology between vehicle
Structure.At this point it is possible to obtain table 5.As an example, as shown in table 5, electronic identity identification can include the network address.
Table 5 is attached with the topological structure of many vehicles of electronic identity identification information
Fig. 8 shows vehicle A, vehicle B, the acquisition process of vehicle C topological structure in Fig. 7, by that analogy, can obtain
Obtain the whole topological structure described in Fig. 7.Obviously, the quantity of vehicle is not the limitation for the present invention yet in Fig. 7.
In an embodiment of the present invention, it is not necessary to improve the precision of location data, you can to obtain between multiple vehicles
Relative position relation.It should be appreciated that in the above description, the position data (for example, vehicle A AN, AE) of any one vehicle
It can be used, this can't influence last topological structure.Certainly, the higher location data of precision can preferentially be made
With for example, relative to global position system is only used only, the location data for combining the vehicle of ground auxiliary positioning can be excellent
First use.In this case, the raising of the precision of the location data of a vehicle, can cause the positioning precision of multiple vehicles
It is further improved.
Hereinafter, it is illustrated for more specific applications.
Fig. 4 is returned to, as an example, nodal information acquisition device 10 also includes：Display unit 106, be configured as to
User shows topological structure between vehicle.In one application, network communication unit 105 is additionally configured to：Obtain from other
The social information of vehicle or the webserver 20, and obtain the identity for transmitting vehicle included in social information.Display is single
Member 106 can be additionally configured to：Sign transmits vehicle in topological structure between the vehicle of display, and, it is allowed to user selects
Any vehicle between vehicle shown by display unit 106 in topological structure is to be used as collection of letters vehicle.Display unit 106 can have
There is touch-screen.For example, vehicle A user can be in vehicle A display unit 106 on touched, with select vehicle B make
For destination, to send information to vehicle B.Information can be text message or voice messaging.Vehicle B receives car
After A information, while 106 display information text of display unit, also can indicate vehicle A in topological structure between vehicle is
Transmit vehicle.
In another application, network communication unit 105 is additionally configured to：Obtain and come from other vehicles or network service
The accident or traffic information of device 20, and obtain the identity of the associated vehicle included in accident or traffic information.Display is single
Member 106 is additionally configured to：Between the vehicle of display associated vehicle is indicated in topological structure.
In traffic system, how the vehicle timely and effectively into traveling informs accident or road conditions that front occurs,
Further accident is avoided, is a significant concern point.Unified send that such as " front is busy for the vehicle at accident spot rear
Therefore " so simple information can not play effective prevention effect.Topological structure can aid in the solution of the problem between vehicle,
For example, after vehicle B failures or generation accident, the webserver 20 can accurately inform vehicle C, vehicle A, to take rule
Keep away measure.In the case where vehicle A, vehicle C are equipped with automated driving system, automated driving system is also possible to directly operate car
Avoided.This is particularly useful for preventing the rear-end collision accident triggered under bad weather.Near apart from the scene of the accident
Vehicle will be warned timely, and can be comprising the range information with the scene of the accident in information warning, and these information can
Intuitively shown in display unit 106, this can cause driver to enhance your vigilance, and take measures in time.
In another application, the information of these topological structures can also be conducive to vehicle supervision department for accident vehicle
The quick grasp of information.For example, in the case where vehicle B causes car plate to be damaged because of accident, from the end of the webserver 20 or
Still the relevant informations such as vehicle B picture, license number can be deployed into adjacent vehicle.In such manner, it is possible to accelerate live thing
Therefore the process of processing.
Topological structure acquisition device and method between nodal information acquisition device, vehicle according to an embodiment of the invention,
Testing vehicle register can be recognized, the contact set up between the Adjacent vehicles travelled on road obtains the topological structure between vehicle, with
The brand-new car networking application of support is improved for existing application.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (13)
1. a kind of nodal information acquisition device, wherein, the nodal information includes the identity of node vehicle, position, nearby vehicle
Identity, and nearby vehicle is relative to the distance and the orientation of node vehicle, it is characterised in that the nodal information
Acquisition device includes：
Image acquisition units, are configured as obtaining the image information of the nearby vehicle adjacent with node vehicle；
Apart from detection unit, the distance between measuring node vehicle and nearby vehicle and orientation are configured as；
Positioning unit, is configured as obtaining the positional information of node vehicle；
Processor unit, be configured as according to the image information of described nearby vehicle recognize nearby vehicle identity, and by
It is configured to build nodal information according to the identity, the distance and the orientation and the positional information.
2. nodal information acquisition device according to claim 1, it is characterised in that
The identity includes license number.
3. nodal information acquisition device according to claim 2, it is characterised in that also include：Display unit, is configured as
The nodal information is graphically shown to user.
4. topological structure acquisition device between a kind of vehicle, it is characterised in that including：The webserver, and it is multiple according to right
It is required that the nodal information acquisition device described in 1；Wherein, the nodal information acquisition device also includes network communication unit；
Wherein, the network communication unit of the webserver and the nodal information acquisition device of multiple node vehicles leads to
Letter, and be configured as：
Multiple nodal informations are received from the network communication unit of multiple nodal information acquisition device；
According to the multiple nodal information, topological structure between the vehicle of multiple vehicles is obtained；And
To topological structure between the network communication unit transmission vehicle of multiple nodal information acquisition device.
5. topological structure acquisition device between vehicle according to claim 4, it is characterised in that the identity includes vehicle board
Recognized according to number, and vehicle electronic identity；
The processor unit is configured as the described of according to the image information acquisition of described nearby vehicle nearby vehicle
License number；
The webserver is configured as according to the license number, obtains the vehicle electronic identity identification, and
It is configured as recognizing the vehicle electronic identity and is attached to topological structure between the vehicle.
6. topological structure acquisition device between vehicle according to claim 4, it is characterised in that the nodal information obtains dress
Putting also includes：Display unit, be configured as to user show the vehicle between topological structure.
7. topological structure acquisition device between vehicle according to claim 6, it is characterised in that the network communication unit is also
It is configured as：The social information from other vehicles or the webserver is obtained, and obtains the hair included in social information
Believe the identity of vehicle；
The display unit is additionally configured to：Sign transmits vehicle in topological structure between the vehicle of display.
8. topological structure acquisition device between vehicle according to claim 7, it is characterised in that
The display unit is additionally configured to：Appointing in topological structure between vehicle shown by permission user's selection display unit
Vehicle anticipate to be used as collection of letters vehicle.
9. topological structure acquisition device between vehicle according to claim 6, it is characterised in that
The network communication unit is additionally configured to：Obtain accident or road conditions letter from other vehicles or the webserver
Breath, and obtain the identity of the associated vehicle included in accident or traffic information；
The display unit is additionally configured to：Between the vehicle of display associated vehicle is indicated in topological structure.
10. a kind of node information acquisition method, wherein, the nodal information includes the identity of node vehicle, position, nearby vehicle
Identity, and nearby vehicle is relative to the distance and the orientation of node vehicle；Characterized in that, the nodal information
Acquisition methods include：
The image information of the nearby vehicle adjacent with node vehicle is obtained, to recognize the identity of nearby vehicle；
Obtain the distance between node vehicle and nearby vehicle and azimuth information；
Obtain the positional information of node vehicle；And
According to the identity of the nearby vehicle, the distance and bearing, positional information formation nodal information.
11. topological structure acquisition methods between a kind of vehicle, it is characterised in that including：
Node information acquisition method described in usage right requirement 10 obtains multiple nodal informations；And
The list of node vehicle is set up, each node vehicle in traversal of lists, node vehicle is plotted between vehicle successively
In topological structure.
12. topological structure acquisition methods between vehicle according to claim 11, it is characterised in that traversed for each
Node vehicle, follow the steps below：
I) node vehicle is drawn, including：
Whether decision node vehicle has been plotted in topological structure, if it is not, then believing according to from the position of node vehicle
Breath, node vehicle is plotted in topological structure, if it is, not drawing node vehicle；
Ii all nearby vehicles of node vehicle) are drawn, including：
According to the information of the topological structure from node vehicle, the list of the nearby vehicle of node vehicle is set up, and for list
In nearby vehicle, travel through successively；Wherein, for the nearby vehicle that each is traversed, follow the steps below：
Judge whether nearby vehicle has been plotted in topological structure, if it is not, then according to nodal information, by the nearby vehicle
It is plotted in topological structure, if it is, not drawing nearby vehicle.
13. topological structure acquisition methods between vehicle according to claim 11, it is characterised in that the identity in nodal information
Recognized including license number, and vehicle electronic identity；
Topological structure acquisition methods also include between the vehicle：
According to the image information of nearby vehicle, the license number of nearby vehicle is recognized；
According to license number, vehicle electronic identity identification is obtained；And
Vehicle electronic identity is recognized and is attached to topological structure between vehicle.
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