CN110517493A - A method and system for obtaining comprehensive information on cross-regional motor vehicles - Google Patents

Abstract

The present invention provides a cross-region motor vehicle comprehensive information acquisition method, which can ensure that cross-region data query can also obtain the latest data information, thereby ensuring the accuracy and timeliness of law enforcement, and saving human resources. For this reason, a cross-region motor vehicle comprehensive information acquisition system is provided at the same time. It includes: S1 obtains the vehicle information of the motor vehicle to be inspected; S2 sets up an area server for each area, and sets up an aggregation server for all areas; S3 first accesses the area server in its area; S4 accesses the aggregation server by the area server to obtain Available service lists and non-real-time vehicle information in other regional servers; S5 continues to visit other regional servers to inquire about the real-time vehicle information of the motor vehicle to be checked; S6 other regional servers return the vehicle information to the regional server; after S7 the regional server sorts out the data, Generate query results; S8 local server sends the query results back to the mobile police terminal.

Description

A method and system for obtaining comprehensive information on cross-regional motor vehicles

technical field

The invention relates to the technical field of intelligent traffic control, in particular to a method and system for acquiring comprehensive information of cross-regional motor vehicles.

Background technique

In the current traffic management technology, different regions have their own different types of traffic management data platforms to manage the data in the region. However, with the rapid development of road traffic in our country, cross-platform query data is often required in traffic management. For example, policemen on duty on the road often need to query information about vehicles they encounter through the mobile police communication used by front-line police officers. In the existing technology, the data between regions is not directly shared, because the data formats and query methods provided by the various traffic control data platforms in each region are different, and it is impossible to directly query the data through the mobile police communication, so usually The data of each area is regularly collected through a summary server, and provided to the police officers in each area for query. In this cross-regional data sharing method, because the data summary is updated regularly, it often happens that the police officers query the data is not the latest data. In order to ensure the accuracy of the follow-up work, a lot of follow-up confirmation work is added, resulting in Waste of human resources.

Contents of the invention

In order to solve the problem of inaccurate query results caused by untimely data updates in the prior art for querying data across regions, the present invention provides a method for obtaining comprehensive information on cross-regional motor vehicles, which can ensure that cross-regional data queries can also obtain the latest The data information, thereby ensuring the accuracy and timeliness of law enforcement, and saving human resources. For this reason, a cross-region motor vehicle comprehensive information acquisition system is provided at the same time.

The technical solution of the present invention is as follows: a method for obtaining comprehensive information on cross-regional motor vehicles, which includes the following steps:

S1: Through the mobile police terminal, use image recognition technology to identify the vehicle information of the motor vehicle to be checked;

It is characterized by:

S2: Set up a regional server for each region, and set up a summary server for all regions; each of the regional servers communicates with all traffic management data platforms in the region, and provides remote data for all traffic management data platforms in the region access interface, and simultaneously register available service information with the summary server; the summary server regularly obtains and stores non-real-time data in the traffic control data through the regional server;

S3: The mobile police terminal accesses the regional server in its region, that is, the information checking interface of the regional server, and sends the vehicle information of the motor vehicle to be checked to the regional server;

S4: The regional server accesses the summary server, obtains the following information stored in the summary server, and sends it back to the regional server:

(1) A list of available services of regional servers in other regions;

(2) Non-real-time vehicle information of the motor vehicle to be inspected stored in the aggregation server;

S5: The regional server invokes the available services of the regional servers in the other regions according to the available service list, and queries the real-time vehicle information of the motor vehicle to be inspected;

S6: The regional server in the other region returns the queried real-time vehicle information of the motor vehicle to be inspected to the local regional server;

S7: The local server combines the non-real-time vehicle information and the real-time vehicle information of the motor vehicle to be inspected, and generates a query result of the motor vehicle to be inspected after performing an information data sorting operation;

S8: The local server transmits the query result of the motor vehicle to be inspected back to the mobile police terminal for reference by police officers.

It is further characterized by:

In step S1, the vehicle information of the motor vehicle to be inspected includes: the type of the motor vehicle license plate, the number of the motor vehicle license plate, and the VIN information;

In step S2, the aggregation server regularly monitors the update status of the service list to ensure that the available service information registered by all regional servers on the aggregation server is up-to-date;

In step S7, the information data collation operation includes:

a1: find invalid data, the invalid data includes: duplicate data, abnormal data, expired data;

a2: sort the duplicate data according to the update date, keep the latest data, and delete other duplicate data;

a3: delete the expired data;

a4: Integrate all remaining valid vehicle information data;

a5: For the abnormal data, check whether there is any license violation;

If there is a license violation, generate license violation data information, together with the valid vehicle information data, as the query result of the motor vehicle to be inspected;

If there is no violation of the license plate, directly use the valid vehicle information data as the query result of the motor vehicle to be inspected;

In step a5, for the abnormal data, check license violations, including the following steps:

a5-1: If no legal registration data is retrieved according to the motor vehicle license plate in the vehicle information of the motor vehicle to be inspected, then set the illegal license data information as: using a fake license plate;

a5-2: Based on the valid vehicle information data, obtain the trajectory information and illegal information of the motor vehicle to be inspected, and after sorting out, obtain the driving route of the locomotive to be inspected, as well as the time information on the driving route and the time information corresponding to the time information location information;

a5-3: Set the speed threshold V;

Assume that the time difference between the appearance of the vehicle information of the motor vehicle to be checked at two different locations L1 and L2 is: T;

Let the traffic distance between L1 and L2 be: S;

When S/T >= V, according to the motor vehicle license plate of the motor vehicle to be inspected, the basic appearance information of the vehicle to be inspected is retrieved, and step a5-4 is performed;

Otherwise, set the license plate violation data information as: no license plate violation found;

a5-4: Obtain the photo of the vehicle to be inspected from the mobile police terminal, obtain the appearance characteristics of the vehicle to be inspected through image recognition technology, and compare it with the basic information on the appearance of the vehicle to be inspected;

If the two are consistent, the illegal license data information is set as: the vehicle to be inspected has an act of plagiarism;

If the two are not consistent, the illegal license plate data information is set as: the vehicle to be checked is licensed.

A system for realizing a cross-regional motor vehicle comprehensive information acquisition method, which includes: a summary server, a traffic management data platform, and is characterized in that it also includes a regional server, which stores data for traffic management and control, and is a regional server. All of the traffic management data platforms provide remote access interfaces; the regional servers communicate with the summary server and the traffic management data platforms in their areas respectively; the regional servers in different regions are connected by communication; The above-mentioned regional server, and the non-real-time vehicle information in each region is regularly acquired by the said summary server and stored.

The regional server communicates with the summarizing server through REST; the regional server communicates data with the Thrift-rpc technology; the regional server communicates with the mobile police terminal through the Mqtt protocol.

The present invention provides a method and system for obtaining comprehensive cross-regional motor vehicle information. By setting up a regional server in each region and setting up a summary server in all regions, the summary server stores non-real-time vehicle information in all regions. All data platforms in the region provide a unified external interface; when querying the data of motor vehicles to be inspected, the regional server in the region where Mobile Police is located queries the non-real-time vehicle information on the summary server, and queries the vehicles to be inspected through the regional servers in other regions The real-time vehicle information is collected and sorted by the regional server in the region, and the query result is sent back to Mobile Police; the real-time vehicle information can be directly queried between the regional servers in each region to ensure that the obtained real-time information is accurate. At the same time, because the non-real-time information is only queried on the aggregation server, not on each regional server, the combined query method of querying real-time information and non-real-time information on different servers can ensure the accuracy of query results Sexual contact, while improving query efficiency.

Description of drawings

Fig. 1 is a schematic diagram of the system structure of the present invention;

Fig. 2 is a schematic diagram of the process of obtaining comprehensive information of cross-regional motor vehicles according to the present invention.

Detailed ways

As shown in Fig. 1, a kind of cross-region motor vehicle comprehensive information acquisition system of the present invention comprises summary server 4, traffic control data platform, and traffic control data platform comprises third-party service 9 (such as: traffic comprehensive application platform, police comprehensive platform of big public security ), local data 10 (such as: real-time trajectory data, real-time off-site data), third-party distribution data 8 (such as: comprehensive platform distribution database, resource database, database of drug addicts, database of fugitives). It also includes regional servers 3, 6, and 7, which store data for traffic management and control (such as: vehicle trajectory data and early warning data collected by traffic control equipment in this area), and are owned by this area. The traffic management data platform provides a remote access interface to the outside world, that is, external devices accessing third-party services 9, local data 10, and third-party distribution data 8 in the region must be accessed through the interface provided by the regional server, so that even traffic management between regions The implementation technologies and data formats of the data platforms are different, and a unified external data interface can also be realized through the regional server.

The regional servers communicate with the summarization server 4 and the traffic management data platform in the region respectively; during the communication process, each regional service starts RPC-SERVER to provide remote access to the outside world, and regularly uploads the basic information of the regional services to the summary regional service in REST mode , registered as an available service; in the system, different data transmission methods are adopted for different types of data: between regional servers 3, 6, and 7 in different regions, real-time data is transmitted to each other, and timeliness and data accuracy need to be ensured Therefore, the regional servers 3, 6, and 7 are connected through Thrift-rpc remote call technology communication; through the regional servers 3, 6, 7, the summary server 4 regularly obtains and stores the non-real-time vehicle information in each area, and the regional server The amount of communication data between 3, 6, 7 and the summarization server 4 is relatively small, and the communication is in the form of REST; at the same time, although the summarization server 4 does not provide real-time data query services, the data on each regional server will still be summarized to the summarization server 4 Among them, the regional servers 3, 6, and 7 continuously transmit and store vehicle trajectory information to the aggregation server 4. The real-time vehicle trajectory data volume is very large, and it is transmitted through the distributed message queue kafka; in practical applications, nationwide, set Hundreds of regional servers have been installed. In order to ensure that the 24-hour uninterrupted mutual query between servers can be carried out smoothly, different types of data are communicated and transmitted through different protocols and technologies to ensure the efficiency and accuracy of data transmission between servers. To ensure the stability and availability of the system.

In this embodiment, the regional server 3 that is communicatively connected with the mobile police terminal 1 is referred to as the regional server, and the mobile police terminal 1 is connected to the public wireless network, and enters into the traffic management dedicated network through the security boundary 2 to communicate with the regional server 3 . The regional server 3 performs data communication with the mobile police terminal 1 through the Mqtt protocol.

As shown in FIG. 2 , when the police officers use the mobile police terminal 1 to search across regions for the information of the motor vehicle to be detected, it includes the following steps.

S1: The police officers identify the vehicle information of the motor vehicle to be checked by using the image recognition technology through the mobile police terminal 1; the vehicle information of the motor vehicle to be checked includes: the type of the motor vehicle license plate, the number of the motor vehicle license plate, VIN information;

S2: Set up a regional server 3, 6, 7 for each region, and set up a summary server 4 for all regions; each regional server 3, 6, 7 performs data communication with all traffic control data platforms in the region respectively, and is based on All traffic management data platforms in the region provide remote access interfaces and register available service information with the summary server at the same time; the summary server 4 regularly obtains and stores non-real-time data in the traffic management data through the regional servers 3, 6, and 7; the summary server 4 every 10 Monitor the update status of the service list every minute to ensure that the available service information registered by all regional servers 3, 6, and 7 on the aggregation server is up-to-date and available, thereby ensuring that the aggregation server 4 can provide The latest available server information;

S3: The mobile police terminal 1 accesses the regional server 3 in its region, that is, the information checking interface of the regional server, and sends the vehicle information of the motor vehicle to be checked to the regional server 3;

S4: The regional server 3 accesses the aggregation server 4, obtains the following information stored in the aggregation server 4, and sends it back to the regional server 3:

(1) List of available services of regional servers 6 and 7 in other regions;

(2) non-real-time vehicle information of the motor vehicle to be checked stored in the aggregation server 4;

S5: The regional server 3 calls the available services of the regional servers 6 and 7 in other regions according to the available service list, and queries the real-time vehicle information of the motor vehicle to be inspected;

S6: The regional servers 6 and 7 in other regions return the real-time vehicle information of the motor vehicle to be checked to the regional server 3, which is specifically divided into two steps:

S6-1: RPC-CLIENT in this area calls RPC-SERVER in other areas:

The regional server 3 starts the corresponding RPC-CLIENT according to the list of available services obtained in the server; assembles the request parameter information according to the protocol specified by the RPC-SERVER and the serialization rules, and uses binary encoding format and blocking I/O for transmission; starts the JAVA multi Threads, concurrently use RPC-CLIENT to access the corresponding RPC-SERVER;

S6-2: RPC-SERVER in each area processes RPC-CLIENT request and returns motor vehicle information;

RPC-SERVER verifies 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, RPC-SERVER deserializes the request parameters; RPC-SERVER queries this area according to the request parameters Various information of motor vehicles, and then assemble and return information with the original protocol and serialization logic;

Through the above two steps, the communication between regional servers can be realized to ensure that regardless of the architecture and data structure of the existing traffic control data platform in each region, a unified external data interface can be realized through the regional server, and then cross-regional motor vehicles can be realized. data retrieval;

S7: The regional server 3 combines the non-real-time vehicle information of the motor vehicle to be checked obtained from the summary server 4 query and the real-time vehicle information obtained from the regional servers 6 and 7 to query and obtain, and after performing the information data sorting operation, generates the motor vehicle to be checked search result;

The operation of organizing information and data in the regional server 3 includes:

a1: find invalid data, invalid data includes: duplicate data, abnormal data, expired data;

a2: Organize duplicate data according to update date: keep the latest data and delete other duplicate data;

a3: delete expired data;

a4: Integrate all remaining valid vehicle information data;

a5: For abnormal data, check whether there is a license violation;

If there is a violation of the license plate, the license plate violation data information will be generated, and together with the valid vehicle information data, it will be used as the query result of the motor vehicle to be inspected;

If there is no violation of the license plate, directly use the valid vehicle information data as the query result of the motor vehicle to be inspected;

S8: The regional server 3 transmits the query result of the motor vehicle to be checked back to the mobile police terminal 1 for reference by the police officers.

In step a5, for the abnormal data, check license plate violations in the regional server 3, including the following steps:

a5-1: If the legal registration data is not retrieved according to the motor vehicle license plate in the vehicle information of the motor vehicle to be inspected, set the illegal license data information as: using a fake license plate;

a5-2: Based on the valid vehicle information data, obtain the trajectory information and illegal information of the motor vehicle to be inspected, and after sorting out, obtain the driving route of the locomotive to be inspected, as well as the time information on the driving route and the location information corresponding to the time information;

a5-3: Set the speed threshold V;

Assume that the time difference between the appearance of the vehicle information of the motor vehicle to be inspected at two different locations L1 and L2 is: T;

Let the traffic distance between L1 and L2 be: S;

When S/V >= V, according to the motor vehicle license plate of the motor vehicle to be inspected, the basic appearance information of the vehicle to be inspected is obtained, and step a5-4 is performed;

Otherwise, set the license plate violation data information as: no license plate violation found;

a5-4: Obtain the photo of the vehicle to be inspected from the mobile police terminal, obtain the appearance characteristics of the vehicle to be inspected through image recognition technology, and compare it with the basic information on the appearance of the vehicle to be inspected;

If the two are consistent, set the license plate illegal data information as: the vehicle to be inspected has a license plate behavior;

If the two are inconsistent, set the license plate violation data information as: the vehicle to be inspected is licensed;

Through the analysis of cross-regional real-time data, it is confirmed whether there are illegal activities such as license plates in the vehicles to be inspected; it is provided to law enforcement officers as law enforcement evidence to ensure the accuracy and timeliness of law enforcement officers.

In the technical solution of the present invention, the picture of the motor vehicle to be checked is obtained through the camera of the mobile police terminal, and the vehicle number and vehicle information are identified through image recognition technology; the regional server realizes cross-regional search through the vehicle information of the motor vehicle, and finally The method of obtaining various comprehensive information of the motor vehicle in different areas; after the server in this area organizes and calculates the information, it feeds back to the mobile police terminal; through this system, accurate real-time information of the motor vehicle to be inspected can be obtained to ensure law enforcement Personnel and managers can obtain accurate real-time data, thereby ensuring the accuracy and timeliness of traffic law enforcement and traffic management.

Claims (7)

1. a kind of trans-regional motor vehicle integrated information acquisition methods comprising following steps:

S1: by movable police terminal, the information of vehicles of motor vehicle to be checked is identified using image recognition technology；

It is characterized by:

S2: one region server is set for each region, is arranged one for all areas and summarizes server；Each region Server carries out data communication, and the traffic control data all for one's respective area with all traffic control data platforms of its region respectively Platform externally provides remote access interface, while summarizing server registration available service information to described；It is described to summarize server Timing obtains non-real-time data and storage in traffic control data by the region server；

S3: the region server of its region of the movable police terminal access, the i.e. information verification of local area domain server connect Mouthful, the information of vehicles of the motor vehicle to be checked is sent to the local area domain server；

S4: the one's respective area server access summarizes server, obtains and is stored in the following information summarized in server, and Pass the local area domain server back:

(1) the available service list of the region server in other regions；

(2) it is stored in the non real-time information of vehicles for summarizing the motor vehicle to be checked in server；

S5: for the local area domain server according to the available service list, that calls the region server in other regions can With service, and inquire the real-time vehicle information of the motor vehicle to be checked；

S6: the region server in other regions returns to the real-time vehicle information of the motor vehicle to be checked inquired To the local area domain server；

S7: the local area domain server is believed in conjunction with the non real-time information of vehicles, the real-time vehicle of the motor vehicle to be checked Breath after carrying out information data housekeeping operation, generates the query result of the motor vehicle to be checked；

S8: the query result of the motor vehicle to be checked is passed back to the movable police terminal by the local area domain server, For police with reference to use.

2. a kind of trans-regional motor vehicle integrated information acquisition methods according to claim 1, it is characterised in that: in step S1, The information of vehicles of the motor vehicle to be checked includes: the type of automotive number plate, the number of automotive number plate, Vehicle Identify Number information.

3. a kind of trans-regional motor vehicle integrated information acquisition methods according to claim 1, it is characterised in that: in step S2, It is described to summarize server periodic monitor service list more new state, to ensure that all region servers summarize server described The available service information of upper registration is newest.

4. a kind of trans-regional motor vehicle integrated information acquisition methods according to claim 1, it is characterised in that: in step S7, Carry out the information data housekeeping operation include:

A1: invalid data is found out, the invalid data includes: repeated data, abnormal data, stale data；

A2: the repeated data is arranged according to update date, retains newest data, deletes other repeated datas；

A3: the stale data is deleted；

A4: the remaining all effective vehicle information datas of integration；

A5: it is directed to the abnormal data, checks for licence plate illegal activities；

If there is licence plate illegal activities, then licence plate unlawful data information is generated, together with the effective vehicle information data Query result as the motor vehicle to be checked；

If there is no licence plate illegal activities, directly using effective vehicle information data the looking into as the motor vehicle to be checked Ask result.

5. a kind of trans-regional motor vehicle integrated information acquisition methods according to claim 4, it is characterised in that: in step a5, For abnormal data, checks licence plate illegal activities, include the following steps:

A5-1: if according to the automotive number plate in the information of vehicles of the motor vehicle to be checked, legal registrating number is not retrieved According to the licence plate unlawful data information is then arranged are as follows: use fake license；

A5-2: it is based on the effective vehicle information data, the trace information of the acquisition motor vehicle to be checked, illegal information are whole After reason, locomotive driving route to be checked and the temporal information on travel route, place corresponding with temporal information letter are obtained Breath；

A5-3: setting threshold speed V；

If the time difference that the information of vehicles of the motor vehicle to be checked occurs in two different locations L1 and L2 are as follows: T；

If the traffic distance of place L1 and L2 are as follows: S；

As S/T >=V, according to the automotive number plate of the motor vehicle to be checked, the appearance basis letter of the vehicle to be checked is transferred Breath executes step a5-4；

Otherwise, the licence plate unlawful data information is set are as follows: does not find licence plate illegal activities；

A5-4: obtaining the photo of the incoming vehicle to be checked of movable police terminal, by image recognition technology obtain it is described to The external appearance characteristic for examining vehicle, is compared with the appearance basic information of the vehicle to be checked；

If the two is consistent, the licence plate unlawful data information is set are as follows: deck behavior occurs for the vehicle to be checked；

If the two is inconsistent, the licence plate unlawful data information is set are as follows: the vehicle to be checked is by deck.

6. realizing a kind of system of trans-regional motor vehicle integrated information acquisition methods described in claim 1 comprising: summarize service Device, traffic control data platform, it is characterised in that: it further includes region server, and traffic administration control is stored in the region server System data, and remote access interface is externally provided for all traffic control data platforms in one's respective area；The region server Respectively with it is described summarize server, its region the traffic control data platform communicate to connect；The region of different zones It is communicated to connect between server；By the region server, the non-reality summarized in each region of server timing acquisition When information of vehicles and store.

7. a kind of trans-regional motor vehicle integrated information acquisition methods according to claim 6, it is characterised in that: the region clothes Business device summarizes server and is communicated by REST form with described；It is counted between the region server with Thrift-rpc technology According to communication；The region server carries out data communication by Mqtt agreement and movable police terminal.