CN110517493B - Cross-regional motor vehicle comprehensive information acquisition method and system - Google Patents
Cross-regional motor vehicle comprehensive information acquisition method and system Download PDFInfo
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Abstract
The invention provides a cross-regional motor vehicle comprehensive information acquisition method which can ensure that cross-regional data query can also obtain the latest data information, so that the accuracy and timeliness of law enforcement are ensured, and human resources are saved. Therefore, the cross-regional motor vehicle comprehensive information acquisition system is provided at the same time. It includes: s1, acquiring vehicle information of the motor vehicle to be detected; s2, setting a region server for each region and a summary server for all regions; s3 first accesses the zone server of the zone where it is located; s4, the local server accesses the summary server to obtain the available service list of other local servers and the non-real-time vehicle information; s5, continuously accessing other regional servers to inquire the real-time vehicle information of the motor vehicle to be detected; s6 other area server returns the vehicle information to the area server; s7, the local server sorts the data to generate a query result; s8 the local server transmits the inquiry result back to the mobile police terminal.
Description
Technical Field
The invention relates to the technical field of intelligent traffic control, in particular to a method and a system for acquiring comprehensive information of cross-regional motor vehicles.
Background
In the existing traffic management technology, different areas are provided with different types of traffic management data platforms, and data in the areas are managed. However, with the rapid development of road traffic in China, cross-platform data query is often required in traffic management. For example, a policeman on the road often needs to inquire the information about vehicles encountered by the policeman through a mobile police officer used by a front-line police officer. In the prior art, data between areas are indirectly shared, and data formats and provided query modes of various traffic management data platforms of each area are different, so that data models cannot be directly performed through mobile police service, and data of each area are usually collected regularly through a summary server and provided for police service personnel of each area to query. In the cross-region data sharing mode, the data summarization is updated regularly, so that the problem that the data inquired by police officers are not the latest data often occurs, and in order to ensure the accuracy of subsequent work, a plurality of subsequent confirmation works are added, so that the waste of human resources is caused.
Disclosure of Invention
In order to solve the problem that the query result is inaccurate due to untimely data update in the cross-region query data in the prior art, the invention provides a cross-region motor vehicle comprehensive information acquisition method, which can ensure that the cross-region data query can also obtain the latest data information, further ensure the accuracy and timeliness of law enforcement and save human resources. Therefore, the cross-regional motor vehicle comprehensive information acquisition system is provided at the same time.
The technical scheme of the invention is as follows: a cross-regional motor vehicle comprehensive information acquisition method comprises the following steps:
s1: identifying vehicle information of the motor vehicle to be detected by using an image identification technology through a mobile police terminal;
the method is characterized in that:
s2: setting a region server for each region and setting a summary server for all regions; each regional server is in data communication with all traffic management data platforms in the region where the regional server is located, provides remote access interfaces for all traffic management data platforms in the region, and registers available service information to the summary server; the summarizing server acquires and stores non-real-time data in traffic management data through the regional server at regular time;
s3: the mobile police terminal accesses an area server of an area where the mobile police terminal is located, namely an information checking interface of the area server, and sends the vehicle information of the motor vehicle to be detected to the area server;
s4: the local area server accesses the summary server, acquires the following information stored in the summary server, and returns the information to the local area server:
(1) a list of available services for regional servers of other regions;
(2) the non-real-time vehicle information of the motor vehicle to be detected is stored in the summarizing server;
s5: the local area server calls the available services of the area servers in other areas according to the available service list and inquires the real-time vehicle information of the motor vehicle to be detected;
s6: the regional servers in other regions return the inquired real-time vehicle information of the motor vehicle to be detected to the regional server;
s7: the regional server combines the non-real-time vehicle information and the real-time vehicle information of the motor vehicle to be detected to carry out information data arrangement operation and then generates a query result of the motor vehicle to be detected;
s8: and the local area server transmits the query result of the motor vehicle to be detected back to the mobile police terminal for police officers to use for reference.
It is further characterized in that:
in step S1, the vehicle information of the vehicle to be inspected includes: the type of the motor vehicle number plate, the number of the motor vehicle number plate and the frame number information;
in step S2, the aggregating server periodically monitors the service list update status to ensure that the available service information registered on the aggregating server by all the regional servers is up-to-date;
in step S7, the information data arrangement operation performed includes:
a 1: finding invalid data, the invalid data comprising: repeating data, abnormal data and expired data;
a 2: sorting the repeated data according to the updating date, retaining the latest data, and deleting other repeated data;
a 3: deleting the expired data;
a 4: integrating all remaining valid vehicle information data;
a 5: checking whether license plate illegal behaviors exist or not according to the abnormal data;
if the license plate illegal behaviors exist, license plate illegal data information is generated and is used as the query result of the motor vehicle to be detected together with the effective vehicle information data;
if no license plate illegal behaviors exist, the effective vehicle information data is directly used as the query result of the motor vehicle to be detected;
in step a5, the method for checking the license plate illegal action aiming at the abnormal data comprises the following steps:
a 5-1: if legal registration data are not retrieved according to the motor vehicle number plate in the vehicle information of the motor vehicle to be detected, setting the license plate illegal data information as follows: using a fake license plate;
a 5-2: acquiring track information and illegal information of the motor vehicle to be detected based on the effective vehicle information data, and after the track information and the illegal information are arranged, acquiring a running route of the motor vehicle to be detected, time information on the running route and place information corresponding to the time information;
a5-3, setting a speed threshold value V;
setting the time difference of the vehicle information of the motor vehicle to be detected at two different places L1 and L2 as follows: t;
the traffic distances at the set points L1 and L2 are: s;
when S/T > = V, according to the motor vehicle number plate of the motor vehicle to be detected, the appearance basic information of the motor vehicle to be detected is called, and the step a5-4 is executed;
otherwise, setting the license plate illegal data information as follows: the illegal behavior of the license plate is not found;
a 5-4: the method comprises the steps of obtaining a photo of the vehicle to be detected transmitted by a mobile police terminal, obtaining appearance characteristics of the vehicle to be detected through an image recognition technology, and comparing the appearance characteristics with appearance basic information of the vehicle to be detected;
if the two are consistent, setting the license plate illegal data information as follows: the vehicle to be detected is subjected to fake plate behavior;
if the two are not consistent, setting the license plate illegal data information as follows: the vehicle to be detected is fake plate.
The system for realizing the cross-regional motor vehicle comprehensive information acquisition method comprises the following steps: server, traffic management data platform gather, its characterized in that: the system also comprises an area server, wherein the area server stores data for traffic management control and provides a remote access interface for all traffic management data platforms in the area; the regional server is respectively in communication connection with the summary server and the traffic management data platform in the region where the regional server is located; the area servers in different areas are in communication connection; and the summarizing server acquires and stores the non-real-time vehicle information in each region at regular time through the region server.
The regional server and the summary server communicate in a REST form; the area servers are in data communication with each other by means of the thread-rpc technology; and the area server is in data communication with the mobile police service terminal through an Mqtt protocol.
The invention provides a method and a system for acquiring comprehensive information of cross-regional motor vehicles.A regional server is arranged in each region, a summary server is arranged in all the regions, the summary server stores non-real-time vehicle information of all the regions, and the regional servers provide a uniform external interface for all data platforms in the region; when the data of the motor vehicle to be detected is inquired, the regional server of the region where the mobile police service is located inquires the non-real-time vehicle information on the summarizing server, the regional servers of other regions inquire the real-time vehicle information of the vehicle to be detected, and the regional servers of the region summarize and arrange the information and then transmit the query result back to the mobile police service; real-time vehicle information is directly inquired among the regional servers of each region, so that the obtained real-time information can be ensured to be accurate information; meanwhile, because the non-real-time information is only inquired on the summary server, but not on each regional server, the inquiry efficiency is improved while the contact of the accuracy of the inquiry result is ensured through a combined inquiry mode that the real-time information and the non-real-time information are inquired on different servers respectively.
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FIG. 1 is a schematic diagram of the system of the present invention;
fig. 2 is a schematic view of the process of acquiring comprehensive information of cross-regional motor vehicles according to the invention.
Detailed Description
As shown in FIG. 1, the cross-regional motor vehicle comprehensive information acquisition system comprises a summary server 4 and a traffic management data platform, wherein the traffic management data platform comprises third-party services 9 (such as a traffic comprehensive application platform and a police comprehensive platform of public security), local data 10 (such as real-time track data and real-time off-site data) and third-party distribution data 8 (such as a distribution database of the comprehensive platform, a resource database, a virus absorbent database and an escape personnel database). The system also comprises area servers 3, 6 and 7, wherein the area servers 3, 4 and 5 store data for traffic management control (such as track data and early warning data of vehicles collected by traffic management equipment in the area), and provide remote access interfaces for all traffic management data platforms in the area, namely, external equipment accesses a third-party service 9, local data 10 and third-party distribution data 8 in the area through the interfaces provided by the area servers, so that even if the traffic management data platforms in the areas are different in implementation technology and data format, an external unified data interface can be realized through the area servers.
The regional server is respectively in communication connection with the summary server 4 and the traffic management data platform of the region where the regional server is located; in the communication process, each regional service starts RPC-SERVER to provide remote access to the outside, uploads the basic information of the regional service to the summary regional service in a REST mode at regular time, and registers the regional service as an available service; in the system, the data transmission modes adopted for different types of data are also different: real-time data are transmitted among the regional servers 3, 6 and 7 in different regions, and timeliness and data accuracy need to be ensured, so that the regional servers 3, 6 and 7 are in communication connection through a thread-rpc remote calling technology; through the regional servers 3, 6 and 7, the summary server 4 acquires and stores the non-real-time vehicle information in each region at regular time, the communication data volume between the regional servers 3, 6 and 7 and the summary server 4 is small, and the communication is realized in the REST form; meanwhile, although the summarizing server 4 does not provide query service of real-time data, data on each regional server is still summarized into the summarizing server 4, the regional servers 3, 6 and 7 continuously transmit and store vehicle track information to the summarizing server 4, the real-time track data volume of the vehicle is huge, and the vehicle is transmitted through the distributed message queue kafka; in practical application, hundreds of regional servers are arranged nationwide, in order to ensure that mutual query among 24-hour uninterrupted servers can be carried out smoothly, different types of data are communicated and transmitted through different protocols and technologies, the efficiency and accuracy of data transmission among the servers are ensured, and the stability and the availability of the system are further ensured.
In this embodiment, the area server 3 communicatively connected to the mobile police terminal 1 is referred to as the local area server, and the mobile police terminal 1 is connected to the public wireless network, and enters the traffic management private network through the security boundary 2 to communicate with the local area server 3. The local area server 3 performs data communication with the mobile police terminal 1 through an Mqtt protocol.
As shown in fig. 2, when the police officer searches the information of the vehicle to be detected across the region through the mobile police terminal 1, the method includes the following steps.
S1: the police officer identifies the vehicle information of the motor vehicle to be detected by moving the police terminal 1 and utilizing the image identification technology; the vehicle information of the motor vehicle to be detected comprises: the type of the motor vehicle number plate, the number of the motor vehicle number plate and the frame number information;
s2: setting a region server 3, 6, 7 for each region, and setting a summary server 4 for all regions; each regional server 3, 6, 7 respectively performs data communication with all traffic management data platforms in the region where the regional server is located, provides a remote access interface for all traffic management data platforms in the region, and registers available service information to the summary server; the summarizing server 4 acquires and stores non-real-time data in traffic management data through the regional servers 3, 6 and 7 at regular time; the summary server 4 monitors the service list update state every 10 minutes to ensure that the available service information registered on the summary server by all the regional servers 3, 6, 7 is up-to-date and available, and further ensure that the summary server 4 can provide up-to-date available server information each time of cross-regional query;
s3: the mobile police terminal 1 accesses the regional server 3 of the region where the mobile police terminal is located, namely an information checking interface of the regional server, and sends the vehicle information of the motor vehicle to be detected to the regional server 3;
s4: the local area server 3 accesses the summary server 4, acquires the following information stored in the summary server 4, and returns the information to the local area server 3:
(1) a list of available services of the zone servers 6, 7 of the other zones;
(2) the non-real-time vehicle information of the motor vehicle to be detected, which is stored in the summary server 4;
s5: the regional server 3 calls the available services of regional servers 6 and 7 in other regions according to the available service list and inquires the real-time vehicle information of the motor vehicle to be detected;
s6: the regional servers 6 and 7 in other regions return the inquired real-time vehicle information of the motor vehicle to be detected to the regional server 3, and the method specifically comprises the following two steps:
s6-1: the RPC-CLIENT in the region calls RPC-SERVER in other regions:
the local area server 3 starts the corresponding RPC-CLIENT according to the acquired available service list; assembling request parameter information according to a protocol and a serialization rule specified by RPC-SERVER, and transmitting by using a binary coding format and a blocking type I/O; starting JAVA multithreading, and concurrently using RPC-CLIENT to access the corresponding RPC-SERVER;
s6-2: each region RPC-SERVER processes RPC-CLIENT requests to return motor vehicle information;
the RPC-SERVER checks the request protocol after receiving the RPC-CLIENT request, and directly returns a rejection request if the protocol is wrong; if the RPC-CLIENT request protocol is correct, the RPC-SERVER deserializes the request parameter; RPC-SERVER inquires various types of information of motor vehicles in the region according to the request parameters, and then returns the information by the original protocol and the serialized logic assembly;
the communication between the regional servers is realized through the two steps, so that a unified external data interface can be realized through the regional servers no matter the architecture and the data structure of the existing traffic management data platform in each region, and further, the cross-regional motor vehicle data retrieval is realized;
s7: the regional server 3 combines the non-real-time vehicle information of the motor vehicle to be detected, which is inquired and obtained from the summary server 4, and the real-time vehicle information, which is inquired and obtained from the regional servers 6 and 7, to perform information data arrangement operation, and then generates an inquiry result of the motor vehicle to be detected;
the information data arrangement operation performed in the local area server 3 includes:
a 1: finding invalid data, the invalid data comprising: repeating data, abnormal data and expired data;
a 2: and (5) sorting the repeated data according to the updating date: the latest data is reserved, and other repeated data is deleted;
a 3: deleting the expired data;
a 4: integrating all remaining valid vehicle information data;
a 5: checking whether license plate illegal behaviors exist or not according to the abnormal data;
if the license plate illegal behaviors exist, license plate illegal data information is generated and is used as a query result of the motor vehicle to be detected together with effective vehicle information data;
if no license plate illegal behaviors exist, effective vehicle information data are directly used as the query result of the motor vehicle to be detected;
s8: the regional server 3 transmits the query result of the motor vehicle to be detected back to the mobile police terminal 1 for police personnel to use.
In step a5, the method for checking the illegal act of license plate in the area server 3 according to the abnormal data includes the following steps:
a 5-1: if legal registration data is not retrieved according to the motor vehicle number plate in the vehicle information of the motor vehicle to be detected, setting the illegal license plate data information as follows: using a fake license plate;
a 5-2: acquiring track information and illegal information of the motor vehicle to be detected based on effective vehicle information data, and after arrangement, acquiring a running route of the motor vehicle to be detected, time information on the running route and place information corresponding to the time information;
a5-3, setting a speed threshold value V;
the time differences of the vehicle information of the motor vehicle to be detected occurring at two different locations L1 and L2 are: t;
the traffic distances at the set points L1 and L2 are: s;
when S/V > = V, according to the motor vehicle number plate of the motor vehicle to be detected, the appearance basic information of the motor vehicle to be detected is called, and the step a5-4 is executed;
otherwise, setting license plate illegal data information as follows: the illegal behavior of the license plate is not found;
a 5-4: the method comprises the steps of obtaining a photo of a vehicle to be detected transmitted by a mobile police terminal, obtaining appearance characteristics of the vehicle to be detected through an image recognition technology, and comparing the appearance characteristics with appearance basic information of the vehicle to be detected;
if the two are consistent, the license plate illegal data information is set as follows: the fake plate behavior of the vehicle to be detected occurs;
if the two are not consistent, the license plate illegal data information is set as follows: the vehicle to be detected is fake plate;
through the analysis of the cross-region real-time data, whether illegal behaviors such as fake plate and the like exist in the vehicle to be detected is confirmed; the method is provided for law enforcement officers as law enforcement evidence, and the accuracy and timeliness of the law enforcement officers are guaranteed.
In the technical scheme of the invention, the picture of the motor vehicle to be detected is obtained through the camera of the mobile police terminal, and the information of the motor vehicle number is identified through the image identification technology; the regional server realizes the cross-regional search through the vehicle information of the motor vehicles, and finally obtains various comprehensive information of the motor vehicles in different regions; the regional server sorts and calculates the information and feeds the information back to the mobile police terminal; the system can obtain accurate real-time information of the motor vehicle to be detected, and ensures that law enforcement personnel and management personnel can obtain accurate real-time data, thereby ensuring the accuracy and timeliness of traffic law enforcement and traffic management.
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| CN116567066A (en) * | 2023-04-03 | 2023-08-08 | 杭州华橙软件技术有限公司 | A message forwarding method, message pushing method and system |
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| CN109936523A (en) * | 2017-12-15 | 2019-06-25 | 腾讯科技（深圳）有限公司 | Transregional domain service processing method |
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| CN109753511A (en) * | 2018-12-28 | 2019-05-14 | 北京东方国信科技股份有限公司 | A kind of the cross-region real-time synchronization method and system of big data platform |
| CN109828999A (en) * | 2019-01-24 | 2019-05-31 | 厦门大学 | Road service system detection recognition method after calamity based on the cross-domain city big data of multi-source |
| CN110033613A (en) * | 2019-03-07 | 2019-07-19 | 吉林建筑大学 | Smart city management method and system based on regional traffic synchronism |
| CN109995769A (en) * | 2019-03-18 | 2019-07-09 | 上海辰锐信息科技公司 | A kind of trans-regional full actual time safety management-control method of multi-tier Heterogeneous |
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