CN108922216A - A kind of road monitoring method and system based on vehicle mounted guidance - Google Patents
A kind of road monitoring method and system based on vehicle mounted guidance Download PDFInfo
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- CN108922216A CN108922216A CN201810651230.2A CN201810651230A CN108922216A CN 108922216 A CN108922216 A CN 108922216A CN 201810651230 A CN201810651230 A CN 201810651230A CN 108922216 A CN108922216 A CN 108922216A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
Abstract
The embodiment of the invention discloses a kind of road monitoring method and device based on vehicle mounted guidance, including：First vehicle on-board terminal obtains abnormal road conditions photo, time point information and present position information；Identify that photo generates corresponding event information；Event information, time point information and present position information package are generated into the first Data Concurrent and are sent to external server, while abnormal road conditions photo and the first data being packaged and generates the second data and stores in memory.External server receives the first data, using the time point information in the first data as start time point, the quantity for the first data that statistical distance present position information preset distance and other vehicles in the predetermined time are sent；If quantity is more than first threshold, judge that event information is true and broadcasts event information；If being no more than, judge whether event information is true according to the abnormal road conditions photo in the second data；If so, event information is true and is broadcasted.
Description
Technical field
The present invention relates to traffic management technology field more particularly to a kind of road monitoring method based on vehicle mounted guidance and it is
System.
Background technique
With the development of the society, rapid economic development, people's lives level is increasingly improved, and industrialization, urbanization are accelerated
The arrival of auto age is promoted, average annual 20% or more growth, especially city road occurs in road mileage open to traffic in China's in recent years
Road, highway renewal speed are very fast, while the eruptive growth in private car market.
When car owner drives outgoing at present, AM/FM broadcast is mostly listened to, to understand road conditions, but due to the range of AM/FM broadcast
Not necessarily and signal is interfered because of factors such as high mountain barriers often, so that car owner is not that can't hear the road conditions known,
Some unrelated road conditions are exactly heard, even if the road conditions provided later using TV, network, are also still had the shortcomings that identical.?
On some important traffic routes, if there is barrier, it is necessary to prior notice will by car owner here, else if
Car owner drives a conveyance when close on barrier, just finds that barrier can cause serious traffic accident.
Recently, there are many important sections, the speed parameter of network real-time road picture or statistical analysis have been provided, but work as
After car owner sets out, if any variable, car owner can not just learn in real time, even if can be appreciated that road conditions there are many information, if but it is non-classified,
Car owner will still take a lot of time, and can just see that some oneself useful road conditions or car owner can be learnt by mobile phone
Regulation driving cannot dial mobile phone to units such as radio station, but at present for road conditions and offer road conditions.In addition, many sections are also deposited
Road traffic is seriously affected the problems such as reacting not in time, and cannot repair throughout the year in badly broken.
Summary of the invention
The road monitoring method and system based on vehicle mounted guidance that the embodiment of the present invention proposes, can obtain abnormal road conditions institute
The lane information at place, for progress real-time road prompt in car owner's driving process.
In a first aspect, the embodiment of the present invention provides a kind of road monitoring method based on vehicle mounted guidance, specifically include：
At the first vehicle on-board terminal：
According to user's photo acquisition operation performed when noting abnormalities road conditions, working as image acquisition units acquisition is obtained
Preceding abnormal road conditions photo, and load time point information and present position information when obtaining abnormal road conditions photo；
Abnormal road conditions photo is identified, corresponding event information is generated；
Event information, time point information and present position information package are generated into the first data and by wireless communication mould
Block is sent to external server, while abnormal road conditions photo, time point information, event information and present position information package is raw
At the second data and store in memory；
At external server：
The first data for receiving the transmission of the first vehicle, using the time point information in the first data as start time point, system
The quantity for the first data that other vehicles of meter apart from present position information preset distance and in the predetermined time are sent；
Judge whether quantity is more than first threshold, if being more than, judges that event information is true and broadcasts event information；
If being no more than, the order of the second data of request is sent to the first vehicle, and according to the abnormal road conditions in the second data
Photo judges whether event information is true；
If so, judging that event information is true and broadcasts event information；
If it is not, then judging that event information is false.
Further, abnormal road conditions include rubbish, maintenance, accident and icing；Event information type includes rubbish, dimension
It repairs, accident and icing；Event information type is by carrying out picture recognition acquisition to the abnormal road conditions photo.
Further, the predetermined time is selected according to the difference of wagon flow metric density；Wherein, wagon flow metric density is bigger, in advance
It fixes time shorter.
Further, average value processing is carried out to all location informations, obtains the accurate location information of event information and progress
Broadcast.
Further, judge that event information is true and after broadcasting event information, further includes：
Obtaining navigation routine need to be by the vehicle in section where location information.
It is less than at a distance from the current location position corresponding with location information for the vehicle that judgement obtains preset apart from threshold
When value, is issued and prompted to vehicle according to event information type.
Further, the current location of the vehicle obtained when judgement is less than pre- with location information at a distance from corresponding position
If distance threshold when, according to event information type to vehicle issue prompt be specially：
When event information type is accident, set distance threshold value is issued close to first threshold to vehicle and is prompted.
When event information type is to freeze, set distance threshold value is issued close to second threshold to vehicle and is prompted.Wherein,
One threshold value is greater than second threshold.
When event information type is the maintenance, set distance threshold value is mentioned close to third threshold value to vehicle sending
Show；Wherein, second threshold is greater than third threshold value.
When event information type is rubbish, set distance threshold value is issued close to third threshold value to vehicle and is prompted；Wherein,
Three threshold values are greater than the 4th threshold value.
Second aspect, the embodiment of the present invention provide a kind of road monitoring apparatus based on vehicle mounted guidance, specifically include：
First vehicle on-board terminal is obtained for being operated according to user's photo acquisition performed when noting abnormalities road conditions
The current abnormal road conditions photo that image acquisition units acquire is taken, and loads time point letter when obtaining the abnormal road conditions photo
Breath and present position information.
Abnormal road conditions photo is identified, corresponding event information is generated.
Event information, time point information and present position information package are generated into the first data and by wireless communication mould
Block is sent to external server, while by the abnormal road conditions photo, the time point information, the event information and instant position
Information package is set to generate the second data and store in memory.
External server is made for receiving the first data of the first vehicle transmission with the time point information in the first data
For start time point, the first data of statistical distance present position information preset distance and other vehicles transmission in the predetermined time
Quantity.
Judge whether quantity is more than first threshold, if being more than, judges that event information is true and broadcasts event information.
If being no more than, the order of the second data of request is sent to the first vehicle, and according to the abnormal road conditions in the second data
Photo judges whether event information is true.
If so, judging that event information is true and broadcasts event information.
If it is not, then judging that event information is false.
Further, further include：
It need to be by the vehicle in section where location information for obtaining navigation routine.
It is preset when the current location for the vehicle that judgement obtains is less than at a distance from corresponding position with the location information
Distance threshold when, according to the event information type to the vehicle issue prompt.
Further, external server further includes：
The current location of the vehicle for obtaining when judgement is less than at a distance from corresponding position with the location information
When preset distance threshold, issuing prompt to the vehicle according to the event information type is specially：
When event information type is accident, set distance threshold value is issued close to first threshold to vehicle and is prompted.
When event information type is to freeze, set distance threshold value is issued close to second threshold to vehicle and is prompted.Wherein,
One threshold value is greater than second threshold.
When event information type is maintenance, set distance threshold value is issued close to third threshold value to vehicle and is prompted；Wherein,
Two threshold values are greater than third threshold value.
When event information type is rubbish, set distance threshold value is issued close to third threshold value to vehicle and is prompted；Wherein,
Three threshold values are greater than the 4th threshold value.
Implement the embodiment of the present invention, has the advantages that：
1, the preventing road monitoring system provided by the invention based on vehicle mounted guidance, when car owner notes abnormalities road conditions, Ke Yitong
It crosses the vehicle-mounted control module and is sent to the external control module, the external control module can will be corresponding different abnormal
Road conditions be sent to road management department, traffic control department and other be preinstalled with the automobile of the vehicle-mounted control module, on the one hand may be used
To be referred to other car owners, so that car owner is avoided roadlock, smoothly arrived at the destination with shortest time and minimum oil consumption, another party
Abnormal road conditions can also be sent to road management department by face and traffic control department is conducive to road accident processing and road event
Barrier investigation.
2, the preventing road monitoring system provided by the invention based on vehicle mounted guidance, integrates existing automobile data recorder, by obtaining
The photo in automobile data recorder is taken, and carries out autonomous intelligent recognition to photo, and abnormal road conditions are divided into 5 major class, thus
Manual operation can be reduced, manually-operated risk is reduced；In addition, photo is carried out autonomous intelligent recognition and is converted into correspondence
Text be sent to external control module, efficiency of transmission can also be improved, reduce the data processing amount of external control module, improve
Whole operational efficiency.
3, the preventing road monitoring system provided by the invention based on vehicle mounted guidance, can also be according in the abnormal road conditions photo
Lane line and the vehicle mounted guidance unit in electronic map lane quantity, obtain lane information locating for abnormal road conditions,
To accurately obtain lane information locating for abnormal road conditions.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the flow diagram of the road monitoring method based on vehicle mounted guidance of first embodiment provided by the invention.
Fig. 2 is the schematic diagram of the road monitoring apparatus provided in an embodiment of the present invention based on vehicle mounted guidance.
Fig. 3 is the schematic diagram of the road monitoring event information provided in an embodiment of the present invention based on vehicle mounted guidance.
Fig. 4 is the structural schematic diagram of road monitoring apparatus of the second embodiment provided by the invention based on vehicle mounted guidance.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
First embodiment of the invention：
It is the road monitoring method based on vehicle mounted guidance that first embodiment of the invention provides referring to Fig. 1 to Fig. 3, Fig. 1
Flow diagram, Fig. 2 are the schematic diagrams of the road monitoring apparatus provided in an embodiment of the present invention based on vehicle mounted guidance, and Fig. 3 is this
The schematic diagram for the road monitoring event information based on vehicle mounted guidance that inventive embodiments provide.The present invention is by by different abnormal roads
Condition information be sent to road management department, traffic control department and other pass through this lane other vehicles, on the one hand can give it
The car owner of its vehicle refers to, and so that car owner is avoided roadlock, is smoothly arrived at the destination with shortest time and minimum oil consumption, another party
Face is by being sent to road management department for abnormal road conditions and traffic control department is conducive to road accident processing and road service system
Investigation.
The embodiment of the present invention provides a kind of road monitoring method based on vehicle mounted guidance, specifically includes following steps：
S101 is operated according to user's photo acquisition performed when noting abnormalities road conditions, is obtained image acquisition units and is adopted
The current abnormal road conditions photo of collection, and load time point information when obtaining the abnormal road conditions photo and present position letter
Breath.
S102 identifies abnormal road conditions photo, generates corresponding event information.
Camera is installed in the car in advance, it is mountable in the front of operator's seat of vehicle, rear, left or right etc.,
Perhaps in advance install in the car automobile data recorder in real time acquire or periodically (such as 2 minutes or 4 minutes) acquire
The photo of current driving road, when user is when noting abnormalities road conditions, vehicle on-board terminal obtains image acquisition units acquisition
Current abnormal road conditions photo, and load time point information and present position information when obtaining the abnormal road conditions photo.
It is all time point and the location point of the camera or automobile data recorder record by being installed on vehicle in the present embodiment, at other
Location point can also be obtained in embodiment by GPS, and according to acquisition location point corresponding time point etc..It can be believed by picture
Breath can acquisition time point information and present position information.The acquisition of temporal information and location information can more preferably understand abnormal road conditions and change
Become stroke or notifies other people understanding situations.
First vehicle on-board terminal, is built in automobile comprising vehicle mounted guidance unit, processor, image acquisition unit,
Wireless communication module and control unit；Image acquisition unit is for obtaining abnormal road conditions photo；Vehicle mounted guidance unit is for real
When obtain automobile location information；Processor is for identifying abnormal road conditions photo, the abnormal road conditions event information of generation, and
The present position information of automobile when abnormal road conditions event information and acquisition exception road conditions photo is passed through into the radio communication mold
Block is sent to external control module；Control unit is connect with processor and described image acquiring unit respectively, and for controlling
The processor and described image acquiring unit work.
Event information, time point information and present position information package are generated the first data by S103.
S104, by the first data, module is sent to external server by wireless communication.
Abnormal road conditions photo, time point information, event information and present position information package are generated the second data by S105
And it stores in memory；
S106, receive the first vehicle on-board terminal send the first data, using the time point information in the first data as
The first data that start time point, statistical distance present position information preset distance and other vehicles in the predetermined time are sent
Quantity.
(it is assumed to be in 5 minutes) in the given time using the current location where location information as the center of circle, with pre-determined distance
(for example, 500 meters) are the road abnormal data that the every other vehicle of statistics in the circle of radius uploads, and are all confirmed as position letter
Cease the event occurred and record.For example, in 5 minutes, a vehicle can only be to the event information that the location information occurs only
It can upload 1 time, then the road abnormal data quantity for counting the upload of other vehicles is 1 time, in the given time, occurs other one
Vehicle uploads the abnormal data of the location information, then counts other vehicles and upload abnormal data quantity and add 1 to be 2 times, and so on,
Count the quantity of the road abnormal data.By counting the upload exception road of other vehicles in preset distance in the predetermined time
Number amount is capable of determining whether that in this distance range, exception does not exclude and is really to be abnormal road conditions.
S107 judges whether quantity is more than first threshold, if being more than, judges that event information is true and carries out to event information
Broadcast；If being no more than, the order of the second data of request is sent to the first vehicle.
(such as 3-5 times) is arranged according to the density of vehicle flowrate in the setting of the threshold value, when vehicle flowrate is close in the predetermined time
Degree is big, and settable threshold value is 5 times, and when wagon flow metric density is small in the predetermined time, settable threshold value is 3 times.According to other
Whether the quantity that vehicle uploads in the given time is more than threshold value to determine whether road exception really occurs in this section.Other
After vehicle on this section of section receives broadcast, navigation and again programme path etc. can be adjusted immediately.In the given time
The road abnormal data quantity that other vehicles upload is more than 3 or 5 times, then sending the life of the second data of request to the first vehicle
It enables, judges whether event is true according to the pictorial information manual identified of the second data, and module is uploaded to outside by wireless communication
Portion's server, and by the abnormal road conditions event information and present position information when obtaining abnormal road conditions photo where vehicle
Traffic management department is broadcasted or reported, after the vehicle on other sections receives broadcast, can adjust and lead immediately
Boat and again programme path etc..By identifying that picture intuitively can accurately judge whether it is abnormal road.
S108 judges whether event information is true according to the abnormal road conditions photo in the second data；If so, judging event
Information is true and broadcasts event information；If it is not, then judging that event information is false.
When the road abnormal data quantity that other vehicles in the given time upload is not above 3 or 5 times, then judge
Road has been excluded extremely, stops issuing broadcast.When within scheduled second time (such as in 2 hours or 3 hours) not
When receiving the road abnormal data of other vehicles upload, also judge that road has been excluded extremely, stops issuing broadcast.It needs
It is noted that server broadcast is different in the case where server determines that abnormal road conditions and target vehicle driving trace match
Normal traffic information gives the target vehicle driving trace and thinks matched every other vehicle, for example, with where current goal vehicle
Current location be the center of circle, with preset length (for example, 500 meters) be radius circle in every other vehicle.It therefore, will be abnormal
Road conditions are pushed to other vehicles to match with the driving trace of target vehicle, can improve other vehicles obtain information efficiency with
And the efficiency of server process data, reduce the workload of server.The forms of broadcasting include：Terminal can be used in other vehicles
Equipment is interacted with server, receives information by some designated port.It is sent by the radio wave of vehicle and passes through this section of rail
All vehicles of mark or navigation, which need to match by all vehicles in this section with navigation system, to be pushed.Or pass through clothes
Abnormal road conditions are sent to Traffic Announcement department by business device, carry out extensively this section by radio station by Traffic Announcement department
It broadcasts.
On the basis of first embodiment, in another embodiment of the present invention：
The predetermined time is selected according to the difference of wagon flow metric density；Wherein, wagon flow metric density is bigger, described predetermined
Time is shorter.Vehicle density refers to the vehicle number being distributed in the unit length in an a certain instantaneous interior lane, it indicates vehicle
The intensity of distribution.K=N/L (pcu/km), K- vehicle density, the vehicle number (pcu) in N- bicycle road segment segment, the section L- are long
Degree.Predetermined time is selected relatively rationally according to wagon flow metric density difference, when wagon flow metric density is big in the predetermined time, is passed through
Vehicle number is more, and uploading abnormal road information data may be more, and time setting at this time can be shorter, but when wagon flow metric density is small,
Predetermined time can be set longer.
On the basis of first embodiment, in another embodiment of the present invention, further include：
The event information includes that " rubbish ", " damage ", " in maintenance ", " accident ", " icing " and " ponding " etc. is corresponding
Event information, the event information type, can quickly and accurate judgement by carrying out picture recognition acquisition to the pictorial information
Event type simultaneously makes corresponding reaction.
On the basis of first embodiment, in another embodiment of the present invention, further include：
Average value processing is carried out to all location informations, the accurate location information of event information is obtained and is broadcasted.
The location information uploaded to vehicle does independent processing, in fact it could happen that certain error, but all vehicles are uploaded
Location information average value processing can be reduced error and the corresponding position of accurate judgement exception road conditions.
On the basis of first embodiment, in another embodiment of the present invention, judging to correspond to according to pictorial information
Event information type and after being broadcasted, further include：
Obtaining navigation routine need to be by the vehicle in section where location information；
It is less than at a distance from the current location position corresponding with location information for the vehicle that judgement obtains preset apart from threshold
When value, is issued and prompted to the vehicle according to event information type.Car owner can be allowed to event type prompt by set distance
React and reduce in time the generation of accident.
On the basis of first embodiment, in another embodiment of the present invention, when judgement obtain vehicle it is current
Position is less than preset distance threshold with location information at a distance from corresponding position when, issued according to event information type to vehicle
Prompt is specially：
When event information type is accident, set distance threshold value is issued close to first threshold to the vehicle and is prompted, example
If first threshold distance is 3km or 5km.When event information type be freeze when, set distance threshold value close to second threshold to
Vehicle issues prompt；Wherein, first threshold is greater than second threshold；Such as second threshold distance 2km or 3km.Work as event information
When type is maintenance, set distance threshold value is issued close to third threshold value to vehicle and is prompted；Wherein, second threshold is greater than third threshold
Value；Such as third threshold distance 1.5km or 3km.When event information type is rubbish, set distance threshold value is close to third threshold
It is worth to issue to vehicle and prompts；Wherein, third threshold value is greater than the 4th threshold value, such as the 4th threshold distance 500m or 1km.It can lead to
The seriousness that tip distance difference judges event type difference and event is crossed, route is made in time and adjusts and reduce secondary thing
Therefore generation.
Referring to figs. 2 and 3, when vehicle passes through the acquisition abnormities such as vehicle-mounted camera or automobile data recorder by abnormal section
Road data is simultaneously uploaded onto the server, and server receives the information of automobile data recorder upload, is further judged, determination is
No is really abnormal road conditions, then uploads traffic management department and issues prompt to the vehicle in the section.
Second embodiment of the invention：
On the basis of one embodiment, referring to Fig. 4.Fig. 4 provides leading based on vehicle-mounted for second embodiment for the present invention
The structural schematic diagram of the road monitoring apparatus of boat.
Second embodiment of the invention provides a kind of road monitoring apparatus based on vehicle mounted guidance, specifically includes：
First vehicle on-board terminal 100, for being operated according to user's photo acquisition performed when noting abnormalities road conditions,
The current abnormal road conditions photo of image acquisition units acquisition is obtained, and loads time point when obtaining the abnormal road conditions photo
Information and present position information.
Abnormal road conditions photo is identified, corresponding event information is generated.
Event information, time point information and present position information package are generated into the first data and by wireless communication mould
Block is sent to external server, while by the abnormal road conditions photo, the time point information, the event information and instant position
Information package is set to generate the second data and store in memory.
External server 200, for receiving the first data of the first vehicle transmission, with the time point information in the first data
As start time point, the first number of statistical distance present position information preset distance and other vehicles transmission in the predetermined time
According to quantity.
Judge whether quantity is more than first threshold, if being more than, judges that event information is true and broadcasts event information.
If being no more than, the order of the second data of request is sent to the first vehicle, and judge according to the abnormal road conditions photo in the second data
Whether event information is true.If so, judging that event information is true and broadcasts event information.If it is not, then judging event
Information is false.
On the basis of second embodiment, in another embodiment of the present invention, external server 200 further includes：
It need to be by the vehicle in section where location information for obtaining navigation routine.When working as the vehicle that judgement obtains
Front position is less than preset distance threshold with the location information at a distance from corresponding position when, according to the event information type
It issues and prompts to the vehicle.On the basis of second embodiment, in another embodiment of the present invention, external server
200 further include：
External server 100 further includes：
The current location of the vehicle for obtaining when judgement is less than at a distance from corresponding position with the location information
When preset distance threshold, issuing prompt to the vehicle according to the event information type is specially：
When event information type is accident, set distance threshold value is issued close to first threshold to vehicle and is prompted.Work as event
Information type is when freezing, and set distance threshold value is issued close to second threshold to vehicle and prompted.Wherein, first threshold is greater than second
Threshold value.When event information type is maintenance, set distance threshold value is issued close to third threshold value to vehicle and is prompted；Wherein, second
Threshold value is greater than third threshold value.When event information type is rubbish, set distance threshold value is mentioned close to third threshold value to vehicle sending
Show；Wherein, third threshold value is greater than the 4th threshold value.
It should be noted that the apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.In addition, device provided by the invention
In embodiment attached drawing, the connection relationship between module indicate between them have communication connection, specifically can be implemented as one or
A plurality of communication bus or signal wire.Those of ordinary skill in the art are without creative efforts, it can understand
And implement.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (9)
1. a kind of road monitoring method based on vehicle mounted guidance, which is characterized in that include the following steps：
At the first vehicle on-board terminal：
The performed photo acquisition operation when noting abnormalities road conditions according to user obtains the current of image acquisition units acquisition
Abnormal road conditions photo, and load time point information and present position information when obtaining the abnormal road conditions photo；
The abnormal road conditions photo is identified, corresponding event information is generated；
The event information, the time point information and the present position information package are generated into the first data and pass through nothing
Line communication module is sent to external server, while by the abnormal road conditions photo, the time point information, the event information
And the present position information package generates the second data and stores in memory；
At external server：
Receive the first data that the first vehicle on-board terminal is sent, using the time point information in first data as
Begin time point, the first data that present position information preset distance described in statistical distance and other vehicles in the predetermined time are sent
Quantity；
Judge whether the quantity is more than first threshold, if being more than, judges that the event information is true and to the event information
It is broadcasted；
If being no more than, the order for requesting second data is sent to first vehicle, and according in second data
Abnormal road conditions photo judges whether the event information is true；
If so, judging that the event information is true and broadcasts the event information；
If it is not, then judging that the event information is false.
2. a kind of road monitoring method based on vehicle mounted guidance according to claim 1, which is characterized in that
The exception road conditions include rubbish, maintenance, accident and icing；The event information type includes rubbish, maintenance, accident
And it freezes；The event information type is by carrying out picture recognition acquisition to the abnormal road conditions photo.
3. a kind of road monitoring method based on vehicle mounted guidance according to claim 1, which is characterized in that the pre- timing
Between selected according to the difference of wagon flow metric density；Wherein, wagon flow metric density is bigger, and the predetermined time is shorter.
4. a kind of road monitoring method based on vehicle mounted guidance according to claim 1, which is characterized in that further include：It is right
All location informations carry out average value processing, obtain the accurate location information of the event information and are broadcasted.
5. a kind of road monitoring method based on vehicle mounted guidance according to claim 1, which is characterized in that judge the thing
Part information is true and after broadcasting the event information, further includes：
Obtaining navigation routine need to be by the vehicle in section where the location information；
When judgement obtain the vehicle current location position corresponding with the location information at a distance from less than it is preset away from
When from threshold value, is issued and prompted to the vehicle according to the event information type.
6. a kind of road monitoring method based on vehicle mounted guidance according to claim 5, which is characterized in that
The current location of the vehicle obtained when judgement is less than default with the location information at a distance from corresponding position
Distance threshold when, according to the event information type to the vehicle issue prompt be specially：
When the event information type is the accident, sets the distance threshold and issued close to first threshold to the vehicle
Prompt；
When the event information type is the icing, sets the distance threshold and issued close to second threshold to the vehicle
Prompt；Wherein, the first threshold is greater than second threshold；
When the event information type is the maintenance, sets the distance threshold and issued close to third threshold value to the vehicle
Prompt；Wherein, the second threshold is greater than third threshold value；
When the event information type is the rubbish, sets the distance threshold and issued close to third threshold value to the vehicle
Prompt；Wherein, the third threshold value is greater than the 4th threshold value.
7. a kind of preventing road monitoring system based on vehicle mounted guidance, which is characterized in that including：
The first vehicle on-board terminal is obtained for being operated according to user's photo acquisition performed when noting abnormalities road conditions
The current abnormal road conditions photo that image acquisition units acquire is taken, and loads time point letter when obtaining the abnormal road conditions photo
Breath and present position information；
The abnormal road conditions photo is identified, corresponding event information is generated；
The event information, the time point information and the present position information package are generated into the first data and pass through nothing
Line communication module is sent to external server, while by the abnormal road conditions photo, the time point information, the event information
And the present position information package generates the second data and stores in memory；
The external server, the first data sent for receiving first vehicle, with the time in first data
Point information is used as start time point, and present position information preset distance described in statistical distance and other vehicles in the predetermined time are sent out
The quantity for the first data sent；
Judge whether the quantity is more than first threshold, if being more than, judges that the event information is true and to the event information
It is broadcasted；
If being no more than, the order for requesting second data is sent to first vehicle, and according in second data
Abnormal road conditions photo judges whether the event information is true；
If so, judging that the event information is true and broadcasts the event information；
If it is not, then judging that the event information is false.
8. a kind of preventing road monitoring system based on vehicle mounted guidance according to claim 7, which is characterized in that the external clothes
Business device further include：
It need to be by the vehicle in section where the location information for obtaining navigation routine；
When judgement obtain the vehicle current location position corresponding with the location information at a distance from less than it is preset away from
When from threshold value, is issued and prompted to the vehicle according to the event information type.
9. a kind of preventing road monitoring system based on vehicle mounted guidance according to claim 8, which is characterized in that the external clothes
Business device further include：
Current location for the vehicle obtained when judgement is less than at a distance from corresponding position with the location information
When preset distance threshold, issuing prompt to the vehicle according to the event information type is specially：
When the event information type is the accident, sets the distance threshold and issued close to first threshold to the vehicle
Prompt；
When the event information type is the icing, sets the distance threshold and issued close to second threshold to the vehicle
Prompt；Wherein, the first threshold is greater than second threshold；
When the event information type is the maintenance, sets the distance threshold and issued close to third threshold value to the vehicle
Prompt；Wherein, the second threshold is greater than third threshold value；
When the event information type is the rubbish, sets the distance threshold and issued close to third threshold value to the vehicle
Prompt；Wherein, the third threshold value is greater than the 4th threshold value.
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