Vehicle monitoring method and system
Technical field
The present invention relates to a kind of car tracing method and supervisory system, belong to car networking arenas, especially a kind of vehicle monitoring method and system.
Background technology
At present, the positions such as expressway, road and intersection can arrange monitoring shooting head, for monitoring vehicle travel conditions, if there is hypervelocity, illegal parking, to make a dash across the red light or the place of the situation such as accident is taken in head monitoring range in monitoring, vehicle will be filmed by monitored shooting head, thus produces evidence for traffic control department.But due to the shooting head limited amount arranged, still there is monitoring blind spot, especially for crime vehicle or the suspect vehicle of being familiar with shooting head setting position, the path not arranging the monitoring of shooting head by detouring can escape monitoring.
Summary of the invention
In order to travel direction and the position of Real-Time Monitoring vehicle can be realized, be convenient to follow the trail of and monitoring suspect vehicle.The present invention proposes following technical scheme:
Car-mounted terminal can be installed on the position that the front end of any vehicle and/or rear end are convenient to carry out taking.When high in the clouds does not send tracking or monitor command, when car-mounted terminal does not receive tracking or monitor command, car-mounted terminal can normally use; After high in the clouds sends tracking or monitor command, when car-mounted terminal receives tracking or monitor command, start screening-mode, once taking module detects that front and/or rear have vehicle to enter in coverage, then take front and/or front vehicle car plate photo, and shooting time and positional information and car plate photo are uploaded to high in the clouds management platform, it is license plate number that high in the clouds management platform carries out Recognition of License Plate Characters to car plate photo, and last license plate number, temporal information, positional information form a data message and be stored in the memory module of high in the clouds.High in the clouds management platform, by calling the data message of memory module, is provided real-time tracing information can to traffic control department, public security management department etc., grasp travel direction and the route of suspect vehicle.
Particularly:
A kind of vehicle monitoring system, comprises high in the clouds management platform, car-mounted terminal and communication network, wherein:
High in the clouds management platform is used for sending car tracing order to car-mounted terminal, receives and manage the data message that car-mounted terminal is uploaded;
Car-mounted terminal is for receiving car tracing order, and the vehicle license plate corresponding according to this car tracing order shooting; Also for by shooting time, vehicle position information and vehicle license plate photo upload to high in the clouds management platform;
Communication network, for connecting the data communication of car-mounted terminal and high in the clouds management platform.
Further, wherein said car-mounted terminal comprises taking module, GPS module, timing module, the first memory module and the first control module; Wherein:
Taking module, for taking vehicle license plate photo;
GPS module, for obtaining vehicle position information;
Timing module, for acquisition time information;
First memory module, for the data message that storage cart mounted terminal produces;
First control module, for receiving the car tracing order that high in the clouds management platform sends, controls taking module, GPS locating module, timing module and the first memory module.
Further, wherein said car-mounted terminal also comprises the first Car license recognition module, and wherein, described first Car license recognition module is for identifying car plate photographic intelligence.
Further, wherein said high in the clouds management platform comprises the second memory module, the second control module, analyzes display module and/or the second Car license recognition module; Wherein:
Second memory module, the data message after the former data message uploaded for storage terminal and Car license recognition process;
Second control module, for sending car tracing order to car-mounted terminal;
Analyze display module, for analyzing stored module data and generate visualized graphs;
Second Car license recognition module, for identifying the car plate photographic intelligence that car-mounted terminal is taken.
Further, wherein high in the clouds management platform also comprises and carries out identifying processing to the license board information photographed, and the license plate number identified, corresponding positional information and temporal information are formed data is stored in the second memory module of high in the clouds management platform.
Further, described car-mounted terminal is drive recorder, mobile phone, IPAD, PDA or car running computer.
Further, wherein said taking module at least configures a camera, and camera comprises light compensating apparatus.
Further, wherein said high in the clouds management platform comprises large data server and application server.
Further, the data of wherein said analyzing stored module generate visualized graphs and be specially: to data analysis, generate car tracing route map.
Further, wherein said car tracing order at least comprises the inquiry coordinate range pre-set; Wherein, the described vehicle license plate corresponding according to this car tracing order shooting is specially:
Take the vehicle entering car-mounted terminal coverage, described coverage refers within the scope of the video lens of car-mounted terminal, the inquiry coordinate range that user pre-sets.
The present invention also proposes a kind of vehicle monitoring method, comprises the following steps:
High in the clouds management platform sends tracer command;
Car-mounted terminal receives tracer command, starts photographing program, takes the vehicle entering coverage;
After having taken, the information photographed carries out processing, storing by car-mounted terminal, and is uploaded to high in the clouds management platform;
High in the clouds management platform, to data analysis, generates car tracing route map.
Further, the vehicle license plate photo array of shooting is after license plate number by wherein said car-mounted terminal, then license plate number information, temporal information, vehicle position information are formed data and be uploaded to high in the clouds management platform.
Further, the vehicle license plate photo of shooting is directly sent to high in the clouds management platform by car-mounted terminal, after by vehicle license plate photo array being license plate number by high in the clouds management platform, then license plate number information, temporal information and vehicle position information being formed a new data information and store.
Further, the step of acquisition time information is also comprised.
Further, the step obtaining vehicle location is also comprised.
Advantage of the present invention is: travel direction and the position that can realize Real-Time Monitoring vehicle, is convenient to follow the trail of and monitoring suspect vehicle, greatly reduces blind spot region.
Accompanying drawing explanation
Fig. 1 be the present invention wherein an embodiment vehicle monitoring system composition schematic diagram.
Fig. 2 be the present invention wherein an embodiment vehicle monitoring system module composition schematic diagram.
Fig. 3 be the present invention wherein another embodiment vehicle monitoring system module composition schematic diagram.
Fig. 4 is the vehicle monitoring method schematic diagram of the present invention's wherein embodiment.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, the example of described embodiment is shown in the drawings, the embodiment be described with reference to the drawings is only exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Embodiment 1
As shown in Figure 1, illustrate the present invention's a kind of vehicle that wherein a specific embodiment proposes and supervise system and mutual relationship thereof, this system comprises: the high in the clouds management platform be made up of server cluster, communication network, car-mounted terminal cluster, car-mounted terminal cluster is by communicating between communication network with the server of high in the clouds management platform, and the mode of server and car-mounted terminal cluster access communications network is CDMA, GSM, GPRS or Wifi mode.Described car-mounted terminal cluster comprises one or more car-mounted terminal unit.High in the clouds management platform can be terminal user, especially vehicle supervision department or public security department, provides communications access service.High in the clouds management platform is used for sending tracking or monitor command, the picture that reception and management car-mounted terminal are uploaded and other data messages, to go forward side by side driving board identifying processing, by recognition result, such as: license plate number, corresponding positional information and temporal information form data and be stored in the memory module of high in the clouds management platform.See Fig. 2, described high in the clouds management platform can comprise memory module or stored data base, Car license recognition module, control module, analysis display module.Memory module is used for the new data information after the former data message uploaded of storage cart mounted terminal and Car license recognition process, the car plate photographic intelligence that Car license recognition module is taken for identifying car-mounted terminal, control module is used for sending tracking or monitor command, analyzes display module and is used for the data of analyzing stored module and generates visualized graphs.
Particularly, see Fig. 1, high in the clouds management platform in present embodiment can also comprise large data server 4 and application server 5, and wherein, terminal user 6 can be communicated with application server 5 with the large data server 4 of high in the clouds management platform by LAN (Local Area Network) or mobile communications network with 7.Application server 5 externally provides access services, receives the request of car-mounted terminal user or sends control command to car-mounted terminal.
Wherein, large data server 4 is mainly used in storing data information, and can arrange the corresponding database schema of structure, management node is used for the index, access strategy etc. of management data node, and True Data distributed storage is on the local disk of back end.Large data server 4 is built by management node and multiple back end, and the number of nodes of back end is equipped with according to the performance need of memory data output and data analysis, can complete computational analysis task.On management node, database is for preserving large data indexing information, and on multiple back end, database is for the characteristic information extraction preserving pictorial information He be associated.Large data server 4 is also provided with computing module and carries out feature extraction to vehicle pictures, utilizes the Detection of License based on non-demarcation visual angle to extract the characteristic informations such as the license plate number in the vehicle pictures grabbed.
Application server 5 mainly completes control, analyzes Presentation Function, adopts server load balancing, allows the work compound that server passes through each other, provides unified service, for promoting reliability and the extensibility of service or application program.After the station server in cluster delays machine, services request can be given to other node automatically, provides service to reach continual.Have the management node of cluster in application server 4, also configure undernet access node in addition and provide access services to export-oriented user, user terminal can be connected to system by undernet access node.
See Fig. 2, car-mounted terminal unit 8, i.e. the raw image data collecting unit of native system, can comprise with lower module: taking module, GPS module, timing module, the first control module.Wherein taking module produces video flowing for the video gathering surrounding environment or gathers the car plate photographic intelligence of surrounding vehicles; GPS module, for generation of corresponding gps coordinate data; Timing module, for generation of corresponding current time data; First control module can complete the analytical work of video or image, video flowing is carried out to the identification of moving object detection, vehicle target, when recognize in car-mounted terminal coverage, there is vehicle target 3 time, carry out vehicle pictures crawl.By means of communication module, car-mounted terminal unit first receives control that high in the clouds management platform issues or follows the trail of shooting order, and the picture of car-mounted terminal collection and the gps data that is associated, time data can be uploaded.
Car-mounted terminal can adopt conventional drive recorder, mobile phone, IPAD, PDA or car running computer.Described taking module at least configures a camera, and camera comprises light compensating apparatus, not enough for compensate for ambient light.Car-mounted terminal can be installed on front part of vehicle, rear portion as required or install simultaneously, corresponding shooting direction towards the front of vehicle, rear or front and back two side.
Embodiment 2
See Fig. 3, as the substitute mode of embodiment 1, by Car license recognition module installation in car-mounted terminal, after the car plate photo for being taken by taking module is identified as license plate number, then license plate number information, temporal information, positional information can be formed data and are uploaded to high in the clouds management platform.
High in the clouds management platform, for sending tracking or monitor command, receiving and managing license plate number information, temporal information, positional information that car-mounted terminal is uploaded, comprising memory module, control module, analysis display module.Memory module is for storing the new data information after car plate identifying processing, and control module is used for sending tracking or monitor command, analyzes display module and is used for the data in analyzing stored module and generates visualized graphs.
Like this, the data traffic that car-mounted terminal is uploaded can be reduced, improve car tracing or monitoring efficiency.
Embodiment 3
The present invention proposes a kind of vehicle monitoring method based on high in the clouds management platform, see Fig. 4, comprises the steps:
S100: car-mounted terminal receives car tracing order.
In reality, vehicle supervision department or public security department may start the tracking to suspicion of crime vehicle or traffic hazard escape vehicle at any time, now, can send car tracing order by high in the clouds management platform.First, carry out information interaction between the application server 5 of high in the clouds management platform and terminal user 6 or 7, receive the inquiry of user, statistics, analysis and monitoring request, send tracking vehicle command; Terminal user can pre-set when submitting request to and inquire about coordinate range accordingly; Based on the task requests of user, application server can send car tracing order to the car-mounted terminal cluster of movement, the multiple car-mounted terminals 1,2 be within the scope of certain position receive described car tracing order, and wherein said car tracing order comprises the inquiry coordinate range pre-set.
S101: car-mounted terminal starts photographing program.
Such as, the car-mounted terminal within the scope of pre-set co-ordinate starts corresponding photographing program after receiving car tracing order, takes separately to the vehicle entering car-mounted terminal coverage; Can set coverage in the window of shooting image, described coverage refers within the scope of the video lens of car-mounted terminal, the inquiry coordinate range that user pre-sets.Utilize the moving target that can to detect based on the algorithm of background modeling in taking module, extract target image frame; Extract the feature of moving target in photographic subjects, utilize the vehicle target that the algorithm based on stencil matching comes in recognition target image frame, when having identified vehicle and being in car-mounted terminal coverage, just capture corresponding vehicle pictures; According to the position of shooting cell location, the front of vehicle, the video of rear or front and back two side or image information can be taken.Meanwhile, control treatment module controls timing module and GPS module while shooting, acquisition time information and positional information.
S102: high in the clouds management platform receives the data upload of car-mounted terminal.
After having taken, multiple car-mounted terminal by the automobile video frequency photographed or image, carry out processing, storing in conjunction with current GPS location data and current time data, accumulates information flow, and utilizes communication network to be uploaded to high in the clouds management platform; Data between multiple car-mounted terminal and high in the clouds management platform are transmitted and are supported breakpoint transmission function, when network service is not smooth, car-mounted terminal temporarily can store institute's image data, to be checkedly measure breakpoint transmission automatically after network recovery.
S103: high in the clouds management platform carries out analyzing and processing to data, generates car tracing route.
Large data server 4 in cloud service platform, utilizes the data that car-mounted terminal sends; First store mass data, as car plate picture, positional information and temporal information; Large data computing function is provided further to the mass data record stored, by large data computing module, feature extraction is carried out to vehicle pictures, such as first adopting image recognition technology, identifying that laggard line character anabolic process completes license plate number identification and extracts by identifying that removal frame, character locating, Character segmentation, character contrast; Or utilize the license plate number characteristic information extracted based on the Detection of License at non-demarcation visual angle in the vehicle pictures grabbed; By large data memory module, association store is carried out to information such as license board information, position data, time data, original images again; The application server 5 of high in the clouds management platform can according to the task requests of user in addition, carry out information of vehicles retrieval, information of vehicles statistics, track of vehicle analysis, thus perform the extraction of stored data, analytic operation, draw generate particular vehicle travel route figure and by the result feedback of computational analysis to application server 5, for application server 5 provides data supporting, the vehicle route of generation represents result by visualization processing rear line.
Further, in the vehicle monitoring method described in embodiment of the present invention, the number-plate number identified is the information such as Chinese character, letter, numeral of the license plate of standard.
The trajectory analysis of large data server 4 refers to and carry out trajectory analysis to designated vehicle in the time of specifying, the region of specifying, according to through different car-mounted terminal chronological order, the position data of information of vehicles are provided, draw out the driving trace of vehicle; Search function refers to that the vehicle characteristic information to extracting from video is inquired about, and realizes the quick-searching of magnanimity characteristic; Vehicle monitoring can realize preset range according to user's request and arrange, cancels monitoring, monitored instruction real time down, and vehicle monitoring application type comprises: stolenly rob vehicle, fake-licensed car monitoring, accident escape vehicle, traffic offence vehicle etc.
Embodiment 4
The vehicle monitoring method corresponding with the vehicle monitoring system of embodiment 2, when car-mounted terminal comprises Car license recognition module, car-mounted terminal can comprise the process of the automobile video frequency taken or image being carried out to character recognition, extract license board information, license plate number information, temporal information, positional information are formed the data server that data are uploaded to high in the clouds management platform.All the other processes are identical with embodiment 3 with step, repeat no more herein.In this embodiment, decrease the data traffic that car-mounted terminal is uploaded, improve car tracing and monitoring efficiency.
It should be noted that, use the vehicle of above-mentioned car-mounted terminal more, follow the trail of effect better, when using the vehicle of above-mentioned car-mounted terminal abundant, as long as there are other vehicles installing above-mentioned car-mounted terminal to travel near suspect vehicle, the data message of these vehicle collections can form data stream, realizes travel direction and the route of real-time depiction suspect vehicle.As required, the time range, regional extent etc. that also can follow the trail of in setting.
Vehicle monitoring system provided by the invention, utilize car-mounted terminal by vehicle monitor data on mobile communications network Real-time Obtaining road, can realize monitoring vehicle in particular section in real time flexibly, be convenient to follow the trail of and monitoring suspect vehicle, greatly reduce blind spot region.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.