CN103236168A - Traffic data online acquisition system and method - Google Patents
Traffic data online acquisition system and method Download PDFInfo
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Abstract
The embodiment of the invention provides a traffic data online acquisition system and a traffic data online acquisition method. The system comprises a camera, an acquisition client connected with the camera, an acquisition server side connected with the acquisition client, and a Web server and an independent client connected with the acquisition server side. The method comprises an image capture step, a data acquisition step, a load balance judgment step, a recognition processing step, a storage step and a display step. By the system and the method, a common camera can recognize license plates of vehicles automatically, and the problems that the camera with a recognition function only captures but not processes or processes slowly in traffic rush hours are avoided effectively; after the adoption of the system and the method, a traffic data acquisition system can be configured in a general static state mode; and because of the load balance capacity in the system, the system and the method have dynamic adaptivity to complex changeable dynamic urban traffic conditions. In addition, queries can be published online in real time, so that the construction cost of traffic facilities is reduced, and the work efficiency and the accuracy are improved.
Description
Technical field
The present invention relates to intelligent transportation field, relate in particular to a kind of traffic data on-line acquisition system and method.
Background technology
Along with the increase of automobile individual owning amount, the intelligent transportation facility is more and more heavier to the managerial role of automobile, can gather license plate information by the transportation network video camera, the violation violating the regulations that effectively regulates the traffic and occur in the transportation, disorderly park, inspection, even fight crime.The transportation network video camera realizes that normally adopting direct to the collection of license plate information is transportation network video camera design embedded program at present, in the inner Intelligent license-plate of vehicle recognition function of adding of transportation network video camera; The embedded license plate recognition technology that the transportation network video camera of band car plate recognition function adopts is subjected to the restriction of hardware computing power and storage space, compare the license plate recognition technology of PC version, have slower recognition speed and lower discrimination, and may occur in rush-hour can image data, but problem that can't real-time processing data.In addition, have only few company to grasp embedded license plate recognition technology at home and be applied to the video camera of certain model, this has directly caused transportation network video camera price higher of band car plate recognition function.
Summary of the invention
Embodiment of the invention technical matters to be solved is, a kind of traffic data on-line acquisition system and method are provided, can be by the automatic identification of common camera realization to license plate.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of traffic data on-line acquisition system, comprise video camera, be connected in video camera the collection client, be connected in the acquisition server end of gathering client, and the Web server that is connected with the acquisition server end and separate customer end,
Gather client comprise video camera input interface, the first picture load module that is connected with the video camera input interface, be connected in the first picture load module the first car plate identification module, be connected in the first picture load module and the first car plate identification module the renewal of first catalogue detection module, the first client communication module, be connected in the first load tracking reporting module and first heartbeat module of the first picture load module and the first client communication module, described first heartbeat module connects the first car plate identification module and the first client communication module respectively;
The acquisition server end, described acquisition server end is not with recognition function, it comprises the first server end communication module, the first client control module that is connected with the first server end communication module, first load balancing module that is connected with the first server end communication module, the first picture transit module that is connected with the first server end communication module and first database that is connected with the first server end communication module, and described first load balancing module also is connected with the first picture transit module;
Perhaps, described acquisition server end band recognition function, it comprises the 3rd server end communication module, the 3rd client control module that is connected with the 3rd server end communication module, the 3rd load balancing module that is connected with the 3rd server end communication module, the 3rd picture transit module that is connected with the 3rd server end communication module, the 3rd database that is connected with the 3rd server end communication module, the 3rd picture load module that is connected with described the 3rd picture transit module, the 3rd car plate identification module that is connected with the 3rd picture load module and connect the 3rd picture load module respectively and the 3rd catalogue of the 3rd car plate identification module is upgraded detection module, described the 3rd load balancing module also is connected with the 3rd picture transit module.
Further, described video camera is connected with the collection client by File Transfer Protocol.
Further, described collection client connects one or more video camera.
Further, described acquisition server end connects one or more collection client.
Further, described separate customer end is one or more.
Further, second catalogue that described separate customer end comprises the second picture load module, be connected in the second car plate identification module of the second picture load module, be connected in the second picture load module and the second car plate identification module is upgraded detection module, the second client communication module, is connected in the second load tracking reporting module and second heartbeat module of the second picture load module and the second client communication module, and described second heartbeat module connects the second car plate identification module and the second client communication module respectively.
Further, the processing that the interpolation number of separate customer end is based on load balancing draws, whether needing to acquire the separate customer end can calculate by the following method and get: suppose to have collection client 1,2, n, their processing power is that cc opens/unit interval, band recognition function acquisition server end processing power is that sc opens/unit interval; When data acquisition is the busiest, respectively gather the load that client receives in the unit interval and be respectively load1, load2 ... loadn, then the quantity X of the separate customer end that need acquire of data acquisition system (DAS) is:
X=ceil ((load1+load2+ ... + loadn-sc-n*cc)/cc), if calculate gained X value＜0, then X gets 0, and wherein, the effect of ceil function is be used to obtaining the smallest positive integral bigger than input value.
A kind of traffic data online acquisition method based on aforesaid traffic data on-line acquisition system comprises the steps:
Capture the picture step: the automobile of capturing the surveillance area process by video camera;
Data acquisition step: the image of video camera being captured by the collection client that connects video camera carries out data acquisition process;
Load balancing determining step: judge whether to carry out load balancing by the first or the 3rd load balancing module on the acquisition server end and the first load tracking reporting module that is connected in the collection client of acquisition server end, if not, then identify and handle and storing step, if then picture is uploaded to the acquisition server end;
Identification treatment step: carry out car plate identification for the picture that does not need directly to upload and handle;
Storing step: the license plate information after will handling through car plate identification is stored by the database of acquisition server end; And
Show step: the license plate information that will be stored in the database of acquisition server end after will handling through car plate identification is issued displaying by Web server.
Further, described method also comprises:
If judge and to carry out load balancing, the load balancing module by the acquisition server end then, untreated picture is uploaded to the acquisition server end, determine and to reach the collection client of workload deficiency under this class picture or to be handled by the acquisition server end that possesses the car plate recognition function by the acquisition server end, store again and show step.
Also comprise between described data acquisition step and the load balancing determining step and judge whether to add separate customer end step: gathering client at all is that full load is defined as needing to add separate customer end step, then articulate the separate customer end of predetermined number, otherwise for not needing.
The beneficial effect of the embodiment of the invention is: by described traffic data on-line acquisition system and method, the data acquisition module and the car plate identification module that arrange on the collection client that can connect by common camera, realize common camera to candid photograph to automobile image carry out car plate and identify processing automatically; When the automobile image that arrives when candid photograph surpasses the processing power of gathering client, these untreated images can be uploaded to and gather the acquisition server end that client is connected, the acquisition server end is by after the load balance process, the acquisition server end can carry out car plate identification voluntarily to be handled and also these images of handling through identification can not distributed to the collection client of workload deficiency or distribute to the separate customer end that does not connect video camera and carry out car plate identification and handle, avoided rush-hour, existing band recognition function traffic video camera is only captured and is not handled and handle slow problem.Can dispose the traffic data collection system by general static mode after adopting the present invention, because the load balance ability of internal system, the present invention has dynamic self-adapting to dynamic urban traffic conditions complicated and changeable.In addition, can also online real-time release inquire about by traffic data on-line acquisition system of the present invention and method, reduce the Transport Facility Construction cost, improved work efficiency and accuracy rate.
Description of drawings
Fig. 1 is the structural drawing of traffic data on-line acquisition system of the present invention.
Fig. 2 is the collection client terminal structure figure of traffic data on-line acquisition system of the present invention.
Fig. 3 is the acquisition server end structure figure of traffic data on-line acquisition system of the present invention.
Fig. 4 is the separate customer end structure figure of traffic data on-line acquisition system of the present invention.
Fig. 5 is the band recognition function acquisition server end structure figure of traffic data on-line acquisition system of the present invention.
Fig. 6 is the workflow diagram of traffic data online acquisition method of the present invention.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can mutually combine, and below in conjunction with the drawings and specific embodiments the present invention are described in further detail.
As shown in Figure 1, the described traffic on-line acquisition system of the embodiment of the invention, comprise video camera 1, the collection client 2 that is connected with video camera 1, with gather acquisition server end 3, the separate customer end 4 that is connected with acquisition server end 3 and the Web server 6 that client 2 is connected.
Concrete, described video camera 1 is used for capturing vehicle pictures, described collection client 2 is used for carrying out car plate identification and handles, gather that client 2 can connect and the vehicle pictures that individual multiple-camera 1 is captured is handled for one, described acquisition server end 3 is used for monitoring and gathers the storage of carrying out when picture that client 2 and rush-hour may occur capturing surpasses the maximum processing capability of gathering client 2 that load balancing is judged and picture being carried out the information after car plate identification is handled, by described Web server 6, can realize displaying and the enquiring vehicle information of real-time online at last.
As shown in Figure 2, gather client 2 and comprise video camera input interface 20, described video camera input interface 20 is used for connecting video camera 1; The first picture load module 21 that is connected with video camera input interface 20, the described first picture load module 21 is used for storage video camera 1 and captures the untreated picture that arrives; Be connected in the first car plate identification module 23 of the first picture load module 21, the described first car plate identification module 23 is used for the untreated picture of the first picture load module, 21 storages is carried out the extraction of car plate identification processing and relevant information; First catalogue that is connected in the first picture load module 21 and the first car plate identification module 23 is upgraded detection module 24, and described first catalogue is upgraded detection module 24 for detection of the picture of the first picture load module, 21 storages; Be connected in the first load tracking reporting module 22 of the first picture load module 21 and the first client communication module 26, when the picture of the first picture load module, 21 storages surpasses the processing power of the first car plate recognition processing module 23, information is reported acquisition server end 3; And, first heartbeat module 25, described first heartbeat module 25 connects the first car plate identification module 23, described first heartbeat module 25 also connects the first client communication module 26, described first heartbeat module 25 is used for whether operate as normal of the monitoring first car plate identification module, by the first client communication module 26 situation about monitoring is fed back to acquisition server end 3 again.
As shown in Figure 3, described acquisition server end 3 comprises the first server end communication module 36, the described first server end communication module 36 be connected with the first customer side communication module 26 be used for to realize gather client 2 with not with communicating by letter between acquisition server end 3 correlation modules of recognition function.
Described acquisition server end 3 comprises the first client control module 35 that is connected with the first server end communication module 36, the described first client control module 35 is by the first server end communication module 36, the first client communication module 26 and first heartbeat module 25 that is connected the first client communication module 26, realizes that 3 pairs at acquisition server end gathers the monitoring that client 2 is carried out; Concrete, the first client control module 35 of described acquisition server end 3 realizes by the first service end communication module 36, the first client communication module 26 and first heartbeat module 25 that is connected in the described first client communication module 26 whether operate as normal is monitored to gathering client 2; 25 timings of described first heartbeat module are to the first client control module, the 35 timed sending heartbeat messages of acquisition server end 3, when 2 appearance of collection client are unusual, acquisition server end 3 can send reset command to first heartbeat module 25 of gathering client 2 by the first client control module 35, collection client 2 is reworked, and at the first client control module 35 record in addition, can't deal with problems if restart automatically still, then acquisition server end 3 can send alarm, can carry out maintenance process by artificial intervention.
Described acquisition server end 3 comprises first load balancing module 37 that is connected with the first server end communication module 36, described first load balancing module 37 is by the first server end communication module 36, gather the first client communication module 26 of client and the first load tracking reporting module 22 that is connected the first client communication module 26, when being implemented in picture that candid photograph that rush-hour might occur arrives and surpassing the quantity of gathering the processing picture that client 2 can be maximum, with first load balancing module 37 of information feedback to acquisition server end 3, and these pictures are uploaded to the first picture transit module 38 that connects first load balancing module 37 and the first server end communication module 36 respectively store, realized the load balancing of these untreated pictures again by first load balancing module 37; Concrete, first load balancing module 37 is when judgement need be carried out load balancing, the picture of the first picture transit module, 38 storages is uploaded to the collection client 2 of workload deficiency or is uploaded to the separate customer end 4 that connects by first server com-munication module 36, process collection client 2 or separate customer end 4 are identified after the processing the picture of these load balancing, are uploaded to acquisition server end 3 again.
Described collection client 3 also comprises first database 30 that is connected with the first server end communication module 36, after treatment picture after the picture that described first database 30 is used for picture after storage of collected client 2 is handled or separate customer end 4 after handling or the load balancing.
As shown in Figure 4, described separate customer end 4 is one or more, it comprises the second client communication module 46, and the first server end communication module 36 that the described second client communication module 46 connects acquisition server ends 3 is used for realizing communicating by letter between separate customer end 4 and acquisition server 3 each module.
Described separate customer end 4 comprises the second picture load module 41, is connected in the second car plate identification module 43 of the second picture load module 41, is connected to second catalogue renewal detection module 44 of the second picture load module 41 and the second car plate identification module 43 and is connected the second picture load module 41 and the second load tracking reporting module 42 of the second client communication module 46; The described second picture load module 41 passes through the transmission storage of the second client communication module 46 and the second load tracking reporting module 42 from the untreated picture of the first picture transit module 38 of acquisition server end 3 when load balancing; Described second catalogue is upgraded detection module 44 and is used for the renewal of the second picture load module 41 is detected, when acquisition server end 3 is judged need carry out load balancing and untreated picture is uploaded to the second picture load module 41 of separate customer end 4 time, second catalogue is upgraded detection module 44 will detect the untreated picture of uploading, thereby the picture that impels 43 pairs of second picture load modules 41 of the second car plate identification module carries out car plate identification to be handled, and the picture after will handling and the relevant information of vehicles second client communication module 46 and the first server end communication module 36 of acquisition server end 3 first database 30 that is uploaded to acquisition server end 3 by separate customer end 4 stored.
Described separate customer end 4 also comprises second heartbeat module 45, described second heartbeat module 45 connects the second car plate identification module 43 and the second client communication module 46 respectively, the first client control module 35 of acquisition server end 3 is by the first server end communication module 36, the second client communication module 46 of separate customer end 4 and second heartbeat module 45 realize the monitoring of the working condition of 3 pairs of separate customer ends 4 of acquisition server end, same, when acquisition server end 3 monitors separate customer end 4 operation irregularities, acquisition server end 3 can send reset command to second heartbeat module 45 of separate customer end 4 by the first client control module 35, separate customer end 4 is reworked, and at the first client control module 35 record in addition, can't deal with problems if restart automatically still, then acquisition server end 3 can send alarm, can carry out maintenance process by artificial intervention.
In the present embodiment, do not connect the network PC workstation with car plate recognition function of any collecting device, be called separate customer end 4.The processing that the interpolation number of separate customer end 4 is based on load balancing draws, whether needing to acquire separate customer end 4 can calculate by the following method and get: suppose to have collection client 1,2, n, their processing power is that cc(opens/unit interval), server (being the follow-up band recognition function acquisition server end of mentioning 5) also has processing power, is sc; When data acquisition is the busiest, respectively gather the load that client receives in the unit interval and be respectively load1, load2 ..., loadn, then the quantity X of the separate customer end 4 that need acquire of data acquisition system (DAS) is:
X=ceil ((load1+load2+ ... + loadn-sc-n*cc)/cc), wherein, the effect of ceil function is be used to obtaining the smallest positive integral bigger than input value.If calculate gained X value＜0, then X gets 0, for example, is-2 if calculate the X value, is that not need the separate customer end is X=0 at this moment because this time system the bulk treatment ability be enough.
Above-mentioned calculating to X is not to judge whether load is balanced, but is used for judging whether the bulk treatment ability of system when system is the most busy is enough.If the X=1 that calculates shows that system should articulate a platform independent client 4, if X=2 shows that system should articulate two platform independent clients 4.
About load balancing, gather the picture that client 2 can will exceed the partial amt of self processing power and be uploaded to acquisition server end 3, by acquisition server end 3 picture of this part quantity is distributed to the lighter collection client 2 of load by the principle of load balancing.As shown in Figure 1, if when collection client 2 processing poweies that have are not enough, and that the processing power of the collection client 2 that also has has is more than needed, and the picture of the partial amt that the load balancing service of acquisition server end 3 at first has little time the former to handle is sent to the latter.Acquiring not necessarily of separate customer end 4 if it is enough to gather the throughput of client 2, can be cancelled acquiring of separate customer end 4.And in the urban transportation peak period, it is all very busy that each gathers client 2, and the separate customer end 4 that at this moment can articulate by above-mentioned computing formula gained corresponding number helps to carry out picture recognition work.
Thereby, whether load balancing gathers client 2 at separate unit, sometimes owing to may causing certain highway section vehicle flowrate that vehicle flowrate is very little at ordinary times unexpectedly, reasons such as traffic control or traffic hazard explode, and because this highway section vehicle flowrate is less at ordinary times, collection client 2 processing poweies of highway section association needn't dispose very by force therewith, but this highway section vehicle flowrate has exploded now, supporting collection client 2 processing poweies do not catch up with probably, so for the collection client 2 in this highway section, load has surpassed processing power, for guaranteeing that gathering client 2 effectively works, must be transferred to temporary transient lighter collection client 2 or separate customer end 4 or the acquisition server end 3 of charge capacity on the network to a part of load (picture recognition work).
As shown in Figure 5, described band recognition function acquisition server end 5 comprises the 3rd server end communication module 56, and described the 3rd server end communication module 56 is connected with the first customer side communication module 26 and is used for realizing gathering client 2 and being with communicating by letter between recognition function acquisition server end 5 correlation modules.
Described band recognition function acquisition server end 5 comprises the 3rd server side to monitor module 55 that is connected with the 3rd server end communication module 56, described the 3rd server side to monitor module 55 is by the 3rd server end communication module 56, the first client communication module 26 and first heartbeat module 25 that is connected the first client communication module 26, realizes that 5 pairs at band recognition function acquisition server end gathers the monitoring that client 2 is carried out.
Described band recognition function acquisition server end 5 comprises the 3rd load balancing module 57 that is connected with described the 3rd server end communication module 56, the 3rd picture transit module 58 that connects the 3rd load balancing module 57 and the 3rd server end communication module 56 respectively, described the 3rd load balancing module 57 is by the 3rd server end communication module 56, the first client communication module 26 and the first load tracking reporting module 22 that is connected the first client communication module 26, when being implemented in picture that candid photograph that rush-hour might occur arrives and surpassing the quantity of gathering the processing picture that client 2 can be maximum, information feedback is given the 3rd load balancing module 57 of the acquisition server end 5 of band recognition function, and these pictures are uploaded to the 3rd picture transit module 58, described the 3rd picture transit module 58 is used for these untreated pictures of storage.
Described band recognition function acquisition server end 5 comprises the 3rd picture load module 51 that is connected with described the 3rd picture transit module 58, be connected the 3rd car plate identification module 53 with described the 3rd picture load module 51, connect the 3rd database 50 that the 3rd catalogue of the 3rd picture load module 51 and the 3rd car plate identification module 53 is upgraded detection module 54 and is connected with described the 3rd server end communication module 56 respectively, and described the 3rd catalogue is upgraded detection module 54 and is used for renewal detection to the 3rd picture load module 51; When 5 judgements of band recognition function server end need be carried out load balancing, the 3rd load balancing module 57 picture that is stored in the 3rd picture transit module 58 can be uploaded to by the 3rd server end communication module 56 and the first client communication module 26 the workload deficiency collection client 2 the picture load module or be uploaded to the second picture load module of separate customer end 4 or directly be uploaded to the 3rd picture load module 51 of band recognition function acquisition server end 5 by the 3rd server end communication module 56 and the second client communication module 46, carry out being uploaded to after car plate identification is handled the 3rd database 50 of band recognition function acquisition server end 5 more respectively; Picture after described the 3rd database 50 is handled for storage of collected client 2 and picture and the relevant information after relevant information or the equilibrium treatment; Described the 3rd database 50 connects Web server 6 by the 3rd server end communication module 56, can realize displaying and the enquiring vehicle information of real-time online.
In conjunction with Fig. 6, the traffic data online acquisition method of the traffic data on-line acquisition system of the embodiment of the invention comprises that step is as follows:
Capture the picture step: the automobile of capturing the surveillance area process by video camera;
Data acquisition step: the image of video camera being captured by the collection client that connects video camera carries out data acquisition process;
Judge whether to add separate customer end step: gathering client at all is that full load is defined as needing to add separate customer end step, then articulates the separate customer end of predetermined number, otherwise for not needing.Particularly, the picture number that the first load tracking reporting module detects in the specified folder is defined as being fully loaded with as 120 o'clock more than a reservation threshold, and described predetermined number is the numerical value of described ceil function calculation;
Load balancing determining step: judge whether to carry out load balancing by the first or the 3rd load balancing module on the acquisition server end and the first load tracking reporting module that is connected in the collection client of acquisition server end, if not, then identify and handle and storing step, if then picture is uploaded to the acquisition server end;
Identification treatment step: carry out car plate identification for the picture that does not need directly to upload and handle;
Storing step: store by the database of acquisition server end after will handling through car plate identification or through the license plate information after the load balance process; And
Show step: the license plate information that will be stored in the database of acquisition server end after will handling through car plate identification is carried out the real-time release displaying and is supplied people's inquiry by Web server.
As a kind of embodiment, described method also comprises:
If judge and to carry out load balancing, the load balancing module by the acquisition server end then, untreated picture is uploaded to the acquisition server end, determine and to reach the collection client of workload deficiency under this class picture or to be handled by the acquisition server end that possesses the car plate recognition function by the acquisition server end, store again and show step.
The described traffic data on-line acquisition system of the embodiment of the invention and method have solved the restriction that embedded license plate recognition technology that the transportation network video camera of band car plate recognition function adopts is subjected to hardware computing power and storage space, compare the license plate recognition technology of PC version, have slower recognition speed and lower discrimination, and may occur in rush-hour can image data, but problem that can't real-time processing data; And cost is low, the efficient height.Can realize that by the present invention common camera to the automatic identification of license plate, effectively avoided rush-hour, band recognition function video camera is only captured and is not handled and handle slow problem.Can dispose the traffic data collection system by general static mode after adopting the present invention, because the load balance ability of internal system, the present invention has dynamic self-adapting to dynamic urban traffic conditions complicated and changeable.(said general static mode refers at the average vehicle flow level in highway section and carries out the processing power outfit herein, but sometimes owing to may causing certain highway section vehicle flowrate that vehicle flowrate is very little at ordinary times unexpectedly, reasons such as traffic control or traffic hazard explode, this will make static configuration lose meaning in some time period, so we have introduced load balance, as long as the entire system processing power is enough, acquisition server can self-poise respectively be gathered client, the workload (being load) of separate customer end etc. is not gathered the situation that client is too busy even can't bear the heavy load thereby certain can not occur.) in addition, can also online real-time release inquire about, reduce the Transport Facility Construction cost, improved work efficiency and accuracy rate.
It more than is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (10)
1. traffic data on-line acquisition system, comprise video camera, be connected in video camera the collection client, be connected in the acquisition server end of gathering client, and the Web server that is connected with the acquisition server end and separate customer end is characterized in that,
Gather client comprise video camera input interface, the first picture load module that is connected with the video camera input interface, be connected in the first picture load module the first car plate identification module, be connected in the first picture load module and the first car plate identification module the renewal of first catalogue detection module, the first client communication module, be connected in the first load tracking reporting module and first heartbeat module of the first picture load module and the first client communication module, described first heartbeat module connects the first car plate identification module and the first client communication module respectively;
The acquisition server end, described acquisition server end is not with recognition function, it comprises the first server end communication module, the first client control module that is connected with the first server end communication module, first load balancing module that is connected with the first server end communication module, the first picture transit module that is connected with the first server end communication module and first database that is connected with the first server end communication module, and described first load balancing module also is connected with the first picture transit module;
Perhaps, described acquisition server end band recognition function, it comprises the 3rd server end communication module, the 3rd client control module that is connected with the 3rd server end communication module, the 3rd load balancing module that is connected with the 3rd server end communication module, the 3rd picture transit module that is connected with the 3rd server end communication module, the 3rd database that is connected with the 3rd server end communication module, the 3rd picture load module that is connected with described the 3rd picture transit module, the 3rd car plate identification module that is connected with the 3rd picture load module and connect the 3rd picture load module respectively and the 3rd catalogue of the 3rd car plate identification module is upgraded detection module, described the 3rd load balancing module also is connected with the 3rd picture transit module.
2. traffic data on-line acquisition system as claimed in claim 1 is characterized in that, described video camera is connected with the collection client by File Transfer Protocol.
3. traffic data on-line acquisition system as claimed in claim 1 is characterized in that, described collection client connects one or more video camera.
4. traffic data on-line acquisition system as claimed in claim 1 is characterized in that, described acquisition server end connects one or more and gathers client.
5. traffic data on-line acquisition system as claimed in claim 1 is characterized in that, described separate customer end is one or more.
6. traffic data on-line acquisition system as claimed in claim 1, it is characterized in that, described separate customer end comprises the second picture load module, be connected in the second car plate identification module of the second picture load module, second catalogue that is connected in the second picture load module and the second car plate identification module is upgraded detection module, the second client communication module, be connected in the second load tracking reporting module and second heartbeat module of the second picture load module and the second client communication module, described second heartbeat module connects the second car plate identification module and the second client communication module respectively.
7. traffic data on-line acquisition system as claimed in claim 1, it is characterized in that, the processing that the interpolation number of separate customer end is based on load balancing draws, whether needing to acquire the separate customer end calculates by the following method and gets: suppose to have collection client 1,2 ..., n, their processing power is that cc opens/unit interval, and band recognition function acquisition server end processing power is that sc opens/unit interval; When data acquisition is the busiest, respectively gather the load that client receives in the unit interval and be respectively load1, load2 ... loadn, then the quantity X of the separate customer end that need acquire of data acquisition system (DAS) is:
X=ceil ((load1+load2+ ... + loadn-sc-n*cc)/cc), if calculate gained X value＜0, then X gets 0, and wherein, the effect of ceil function is be used to obtaining the smallest positive integral bigger than input value.
8. one kind based on the traffic data online acquisition method as each described traffic data on-line acquisition system in the claim 1 ~ 7, it is characterized in that, comprises the steps:
Capture the picture step: the automobile of capturing the surveillance area process by video camera;
Data acquisition step: the image of video camera being captured by the collection client that connects video camera carries out data acquisition process;
Load balancing determining step: judge whether to carry out load balancing by the first or the 3rd load balancing module on the acquisition server end and the first load tracking reporting module that is connected in the collection client of acquisition server end, if not, then identify and handle and storing step, if then picture is uploaded to the acquisition server end;
Identification treatment step: carry out car plate identification for the picture that does not need directly to upload and handle;
Storing step: the license plate information after will handling through car plate identification is stored by the database of acquisition server end; And
Show step: the license plate information that will be stored in the database of acquisition server end after will handling through car plate identification is issued displaying by Web server.
9. a kind of traffic data online acquisition method as claimed in claim 8 is characterized in that described method also comprises:
If judge and to carry out load balancing, the load balancing module by the acquisition server end then, untreated picture is uploaded to the acquisition server end, determine and to reach the collection client of workload deficiency under this class picture or to be handled by the acquisition server end that possesses the car plate recognition function by the acquisition server end, store again and show step.
10. a kind of traffic data online acquisition method as claimed in claim 8, it is characterized in that, also comprise between described data acquisition step and the load balancing determining step and judge whether to add separate customer end step: gathering client at all is that full load is defined as needing to add separate customer end step, then articulate the separate customer end of predetermined number, otherwise for not needing.
Priority Applications (1)
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Application publication date: 20130807 Assignee: SHENZHEN MIGOU NETWORK TECHNOLOGY Co.,Ltd. Assignor: SHENZHEN POLYTECHNIC Contract record no.: X2023980053777 Denomination of invention: Online Traffic Data Collection System and Methods Granted publication date: 20161102 License type: Common License Record date: 20231225 |