CN-117576898-B - Data processing system for acquiring missing rate of vehicle acquisition equipment

CN117576898BCN 117576898 BCN117576898 BCN 117576898BCN-117576898-B

Abstract

The invention provides a data processing system for acquiring the missing rate of vehicle acquisition equipment, which comprises a vehicle acquisition equipment type list corresponding to a target geographic area, a preset time period list, a processor and a memory storing a computer program, wherein when the computer program is executed by the processor, the data processing system comprises the following steps of acquiring a first equipment deployment area list, acquiring a first traffic list, acquiring a preset traffic interval list, acquiring a second equipment deployment area list and acquiring the missing rate list of the first vehicle acquisition equipment corresponding to the vehicle acquisition equipment type list. As can be seen, the vehicle acquisition device and the vehicle acquisition method can analyze the first traffic flow and the preset time period corresponding to the first deployment area, acquire the missing rate of the first vehicle acquisition device of the vehicle acquisition device corresponding to the type of the vehicle acquisition device in different preset time periods and different traffic flow ranges in the road, and are beneficial to improving the accuracy of acquiring the missing rate of the vehicle acquisition device.

Inventors

WANG ZHIHAO
ZENG YUSHEN
WANG ZIYI
Qu Junqiu

Assignees

浙江云通数达科技有限公司

Dates

Publication Date: 20260505
Application Date: 20231109

Claims (9)

1. The data processing system for acquiring the missing rate of the vehicle acquisition equipment is characterized by comprising a vehicle acquisition equipment type list A= { A 1 ,……,A i ,……,A m } corresponding to a target geographic area, a preset time period list B= { B 1 ,……,B j ,……,B n }, a processor and a memory storing a computer program, wherein A i is an ith vehicle acquisition equipment type corresponding to the target geographic area, i=1..m, m is the number of vehicle acquisition equipment types corresponding to the target geographic area, each vehicle acquisition equipment type corresponds to one vehicle acquisition equipment, B j is a jth preset time period, j=1..n, n is the number of preset time periods, and when the computer program is executed by the processor, the following steps are realized: S100, obtaining a first device deployment area list c= { C 1 ,……,C r ,……,C s },C r corresponding to the target geographic area as an r-th first device deployment area corresponding to the target geographic area, r=1. S is the number of first equipment deployment areas corresponding to the target geographic area, wherein the first equipment deployment areas are areas in which at least two vehicle acquisition equipment corresponding to the types of the vehicle acquisition equipment are installed in the target geographic area; S200, according to C and B, acquiring a first traffic list D＝{D 1 ,……,D r ,……,D s },D r ＝{D r1 ,……,D rj ,……,D rn },D rj corresponding to C as a first traffic corresponding to C r in B j , wherein the first traffic is the traffic in the running direction corresponding to the equipment deployment area in the intersection where the equipment deployment area is located; S300, acquiring a preset flow interval list E＝{E 1 ,……,E j ,……,E n },E j ＝{E j1 ,……,E jk ,……,E jt(j) },E jk ＝[E 1 jk ,E 2 jk ],E 1 jk corresponding to B, wherein the preset flow interval list E＝{E 1 ,……,E j ,……,E n },E j ＝{E j1 ,……,E jk ,……,E jt(j) },E jk ＝[E 1 jk ,E 2 jk ],E 1 jk is a lower limit value of a kth preset flow interval corresponding to B j , E 2 jk is an upper limit value of a kth preset flow interval corresponding to B j , k=1..t (j), and t (j) is the number of preset flow intervals corresponding to B j ; S400, when D rj ∈[E 1 jk ,E 2 jk ], using C r as a second device deployment area in a kth second device deployment area list corresponding to B j , to obtain a second device deployment area list F＝{F 1 ,……,F j ,……,F n },F j ＝{F j1 ,……,F jk ,……,F jt(j) },F jk ＝{F 1 jk ,……,F g jk ,……,F h jk },F g jk as a kth second device deployment area in the kth second device deployment area list corresponding to B j , where g=1. S500, according to A and F, acquiring a first vehicle acquisition equipment miss rate list G＝{G 1 ,……,G i ,……,G m },G i ＝{G i1 ,……,G ij ,……,G in },G ij ＝{G 1 ij ,……,G k ij ,……,G t(j) ij },G k ij corresponding to A, wherein the first vehicle acquisition equipment miss rate list G＝{G 1 ,……,G i ,……,G m },G i ＝{G i1 ,……,G ij ,……,G in },G ij ＝{G 1 ij ,……,G k ij ,……,G t(j) ij },G k ij corresponding to A is that the first vehicle acquisition equipment miss rate corresponding to A i is in B j , and the corresponding second vehicle flow belongs to [ E 1 jk ,E 2 jk ], and the second vehicle flow is the vehicle flow in the running direction of the vehicle corresponding to the vehicle ID acquired by the vehicle acquisition equipment in the intersection where the vehicle acquisition equipment is located.
2. The data processing system for acquiring the missing rate of the vehicle acquisition device according to claim 1, wherein the type of the vehicle acquisition device is a type of the vehicle acquisition device, and the vehicle acquisition device is a device capable of acquiring a vehicle ID of a vehicle in a target geographical area.
3. The data processing system for obtaining a miss rate of a vehicle collection device of claim 2 wherein the vehicle ID is a unique identity of the vehicle.
4. The data processing system for acquiring the missing rate of the vehicle acquisition device according to claim 2, wherein the resources consumed by the vehicle acquisition devices corresponding to each vehicle acquisition device type are different.
5. The data processing system for acquiring the missing rate of the vehicle acquisition device according to claim 2, wherein the traveling directions of the vehicles corresponding to the vehicle IDs acquired by the vehicle acquisition devices installed in the same first device deployment area are all the same.
6. The data processing system for obtaining a miss rate of a vehicle acquisition device of claim 1, wherein the first device deployment area is located at any intersection within the target geographic area.
7. The data processing system for acquiring the missing rate of the vehicle acquisition equipment according to claim 5, wherein each first equipment deployment area corresponds to one traveling direction.
8. The data processing system for acquiring the missing rate of the vehicle acquisition device according to claim 7, wherein the traveling direction corresponding to the first device deployment area is the same as the traveling direction of the vehicle corresponding to the vehicle ID acquired by the vehicle acquisition device in the first device deployment area.
9. The data processing system for acquiring the missing rate of the vehicle collecting apparatus according to claim 1, wherein in step S500, comprising the steps of: S501, when the vehicle acquisition device corresponding to a i is installed in F g jk , taking F g jk as a third device deployment area in a kth third device deployment area list corresponding to a i in B j , so as to obtain a third device deployment area list H ij ＝{H 1 ij ,……,H k ij ,……,H t(j) ij },H k ij ＝{H k1 ij ,……,H ke ij ,……,H kf ij },H ke ij corresponding to a i in B j as an e third device deployment area in a kth third device deployment area list corresponding to a i in B j , where e=1. S503, according to H ke ij and A i , acquiring a first vehicle ID number R ke ij corresponding to A i installed in H ke ij , wherein the first vehicle ID number is the number of vehicle IDs acquired by vehicle acquisition equipment installed in a third equipment deployment area; S505, according to H ke ij , acquiring a second vehicle ID number L ke ij corresponding to H ke ij , wherein the second vehicle ID number is the number of the vehicle IDs obtained by removing the weight of all the vehicle IDs acquired by all the vehicle acquisition devices installed in the third equipment deployment area; S507, according to R ke ij and L ke ij , acquiring the first vehicle acquisition equipment acquisition rate of which the vehicle acquisition equipment corresponding to P k ij ,P k ij is A i in B j and the corresponding second vehicle flow belongs to [ E 1 jk ,E 2 jk ], wherein P k ij meets the following conditions: P k ij ＝Σ f e＝1 (R ke ij /L ke ij )/f; S509, according to P k ij , G k ij is obtained, wherein G k ij meets the following condition G k ij ＝1-P k ij .

Description

Data processing system for acquiring missing rate of vehicle acquisition equipment Technical Field The invention relates to the technical field of data processing, in particular to a data processing system for acquiring the missing rate of vehicle acquisition equipment. Background Along with the rapid development of society, the number of roads in cities is increased sharply, the number of vehicles in the roads is increased more and more, the number of vehicles entering and exiting in a certain area is difficult to determine by related users, equipment capable of acquiring related information including vehicle IDs (identity) and the like, namely vehicle acquisition equipment is deployed at intersections in the roads, the number of the acquired vehicle IDs which are acquired by carrying out deduplication processing on all the vehicle IDs which are in line with the entering area or in line with the exiting area is the number of the vehicles entering or the number of the vehicles leaving the area, in the process of deploying the vehicle acquisition equipment, the missing rate of the vehicle acquisition equipment and the resources consumed by the vehicle acquisition equipment are analyzed, the installation position of the vehicle acquisition equipment is further determined, most of existing methods for acquiring the missing rate of the vehicle acquisition equipment acquire related documents of the vehicle acquisition equipment, the related documents of the vehicle acquisition equipment are analyzed, and the missing rate of the vehicle acquisition equipment is determined manually. However, the above method also has the following technical problems: In the process of acquiring the missing rate of the vehicle acquisition equipment, the method of manual determination has uncontrollability, and under the condition that the traffic flow or the number of vehicles in the road of the vehicle acquisition equipment are different, the missing rate of the vehicle acquisition equipment is also possibly different, and the condition that the number of vehicles in the road and the like cannot be considered by the method of manual determination, so that the accuracy of the missing rate of the vehicle acquisition equipment acquired by the method is lower. Disclosure of Invention Aiming at the technical problems, the invention adopts the following technical scheme: A data processing system for obtaining a missing rate of a vehicle acquisition device, comprising: the method comprises the steps of obtaining a vehicle acquisition device type list A= { A 1,……,Ai,……,Am } corresponding to a target geographic area, a preset time period list B= { B 1,……,Bj,……,Bn }, a processor and a memory storing a computer program, wherein A i is an ith vehicle acquisition device type corresponding to the target geographic area, i=1..m, m is the number of vehicle acquisition device types corresponding to the target geographic area, each vehicle acquisition device type corresponds to one vehicle acquisition device, B j is a jth preset time period, j=1..n, n is the number of preset time periods, and when the computer program is executed by the processor, the following steps are realized: S100, obtaining a first device deployment area list c= { C 1,……,Cr,……,Cs},Cr corresponding to the target geographic area as an r-th first device deployment area corresponding to the target geographic area, r=1. S is the number of first equipment deployment areas corresponding to the target geographic area, and the first equipment deployment areas are areas in which the vehicle acquisition equipment corresponding to at least two vehicle acquisition equipment types are installed in the target geographic area. S200, according to C and B, a first traffic flow list D＝{D1,……,Dr,……,Ds},Dr＝{Dr1,……,Drj,……,Drn},Drj corresponding to C is obtained, wherein the first traffic flow list D＝{D1,……,Dr,……,Ds},Dr＝{Dr1,……,Drj,……,Drn},Drj is a first traffic flow corresponding to C r in B j, and the first traffic flow is a traffic flow in a running direction corresponding to a device deployment area in an intersection where the device deployment area is located. S300, a preset flow interval list E＝{E1,……,Ej,……,En},Ej＝{Ej1,……,Ejk,……,Ejt(j)},Ejk＝[E1jk,E2jk],E1jk corresponding to B is obtained, where the lower limit value of the kth preset flow interval corresponding to B j, E 2jk is the upper limit value of the kth preset flow interval corresponding to B j, k=1..t (j), and t (j) is the number of preset flow intervals corresponding to B j. S400, when D rj∈[E1jk,E2jk ], using C r as a second device deployment area in a kth second device deployment area list corresponding to B j, so as to obtain a second device deployment area list F＝{F1,……,Fj,……,Fn},Fj＝{Fj1,……,Fjk,……,Fjt(j)},Fjk＝{F1jk,……,Fgjk,……,Fhjk},Fgjk as a kth second device deployment area in the kth second device deployment area list corresponding to B j, where g=1. S500, according to A and F, acquiring a first vehicle acquisition equipment m