CN109902689A - A kind of vehicle license plate recognition methods and system - Google Patents

A kind of vehicle license plate recognition methods and system Download PDF

Info

Publication number
CN109902689A
CN109902689A CN201910339692.5A CN201910339692A CN109902689A CN 109902689 A CN109902689 A CN 109902689A CN 201910339692 A CN201910339692 A CN 201910339692A CN 109902689 A CN109902689 A CN 109902689A
Authority
CN
China
Prior art keywords
vehicle
license plate
board information
license
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910339692.5A
Other languages
Chinese (zh)
Other versions
CN109902689B (en
Inventor
曾小青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Chenggu Technology Co Ltd
Original Assignee
Shenzhen Chenggu Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Chenggu Technology Co Ltd filed Critical Shenzhen Chenggu Technology Co Ltd
Priority to CN201910339692.5A priority Critical patent/CN109902689B/en
Publication of CN109902689A publication Critical patent/CN109902689A/en
Application granted granted Critical
Publication of CN109902689B publication Critical patent/CN109902689B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Traffic Control Systems (AREA)

Abstract

A kind of vehicle license plate recognition methods and system, by carrying out identification acquisition come vehicle license board information to driving vehicle come vehicle identification data, record carrys out the real-time time that vehicle license board information is identified to driving vehicle, go the identification acquisition of vehicle license board information that vehicle is gone to identify data driving vehicle, record the real-time time for going vehicle license board information to be identified driving vehicle, when according to carrying out vehicle license board information and go vehicle license board information to whether there is identification data, and time interval and the size of given set time that identical license plate occurs, determine license plate recognition result.Portal frame is across above road, forward direction license plate imaging identification component and backward license plate imaging identification component are separately connected portal frame, and the license plate identification data that forward direction license plate imaging identification component and backward license plate imaging identification component will acquire is transferred to industrial personal computer by interchanger.The embodiment of the present invention disposably increases Car license recognition chance originally only once twice, to greatly improve highway Car license recognition success rate.

Description

A kind of vehicle license plate recognition methods and system
Technical field
The present embodiments relate to field of license plate recognition, and in particular to one kind is based on two-way double imaging identification component Vehicle license plate recognition methods and system.
Background technique
China in 1988 has built up first highway-Shanghai and has praised highway.This indicates opening for China's highway Begin to start construction.Hereafter annual, the highway in China is all in the speed increase with 2000Km.In development in more than 30 years, Also there is the highway of oneself in western and each autonomous region, China.By the end of the end of the year 2018, in the highway in China is total Number of passes alreadys exceed 140,000 kilometers, occupies the first in the world.While highway sustainable growth, the car ownership in China Rapid growth.Cut-off is current, and the car ownership in China has been over 3.1 hundred million, and the situation persistently risen is presented.
Currently, the deployment way of the Vehicle License Plate Recognition System on highway be it is single unidirectional, i.e., in highway portal frame On come that a set of Car license recognition video camera is installed to every lane towards vehicle, for shooting and identifying vehicle photo and license plate letter Breath.But due to the limitation that video imaging itself is illuminated by the light, weather etc. is affected, the success rate of single Vehicle License Plate Recognition System Only once distinguishing opportunity, causes Car license recognition success rate to be constantly in relatively low level, recognition success rate under limiting case Even less than 60%, the application of extreme influence Car license recognition on a highway.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of vehicle license plate recognition methods and system, it is based on two-way double Car license recognition Camera assembly is increased Car license recognition chance originally only once for twice using license plate there are the characteristic of headstock and the tailstock, Improve the success rate of Car license recognition.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions: a kind of vehicle license plate recognition methods, institute It states in recognition methods, to license plate imaging identification component and backward license plate imaging identification component, the forward direction license plate camera shooting before configuration Recognizer component identifies direction to the car license plate, and the backward license plate imaging identification component recognition removes vehicle direction license plate, by the forward direction Any one in license plate imaging identification component and backward license plate imaging identification component identify successful direction to the car license plate data or Go license plate recognition result of the vehicle direction license plate data as vehicle.Specifically, the following steps are included:
Identify that obtaining vehicle identifies data to the vehicle license board information of coming of driving vehicle, record carrys out the driving vehicle The real-time time T that vehicle license board information is identified1
Vehicle license board information is gone to carry out identifying that acquisition goes vehicle to identify data driving vehicle, record removes the driving vehicle The real-time time T that vehicle license board information is identified2
When to carrying out vehicle license board information and vehicle license board information being gone to there are identification data, if when the time of identical license plate appearance Interval is less than given set time T, and T2-T1When > 0;Determine to carry out vehicle license board information and vehicle license board information gone to identify success, Vehicle identification data or vehicle is gone to identify data as license plate recognition result using described.
As the preferred embodiment of vehicle license plate recognition methods, when to carrying out vehicle license board information and vehicle license board information gone to exist to know When other data, if when the time interval that identical license plate occurs is greater than given set time T or T2-T1< 0 determines vehicle twice By portal frame, and carry out vehicle license board information and to go vehicle license board information to identify respectively successfully primary.
As the preferred embodiment of vehicle license plate recognition methods, according to the real-time time T for carrying out vehicle license board information and being identified1 With to the real-time time T for going vehicle license board information to be identified2License plate recognition result is judged, in T2-T1In the case where < T;When to next Vehicle license board information identify successfully, to vehicle license board information recognition failures are removed when, since vehicle identification data as license plate recognition result;When To carry out vehicle license board information recognition failures, to going the vehicle license board information to identify successfully when, to go vehicle to identify data as Car license recognition knot Fruit.
The embodiment of the present invention also provides a kind of vehicle license plate identifying system, including portal frame, and the portal frame is across Road side, to license plate imaging identification component, backward license plate imaging identification component, interchanger and industrial personal computer before further including;Before described Be separately connected the portal frame to license plate imaging identification component and backward license plate imaging identification component, the interchanger and it is described before It establishes a connection to license plate imaging identification component and backward license plate imaging identification component, interchanger and the industrial personal computer are established and connected Relationship is connect, the license plate identification data that the forward direction license plate imaging identification component and backward license plate imaging identification component will acquire passes through Interchanger is transferred to the industrial personal computer.
As the preferred embodiment of vehicle license plate identifying system, the forward direction license plate imaging identification component is used for driving vehicle Come vehicle license board information carry out identification obtain come vehicle identification data, forward direction license plate imaging identification component record is to the driving vehicle Carry out the real-time time T that vehicle license board information is identified1
As the preferred embodiment of vehicle license plate identifying system, the backward license plate imaging identification component is used for driving vehicle Go vehicle license board information carry out identification obtain go vehicle identify data, backward license plate imaging identification component record is to the driving vehicle The real-time time T for going vehicle license board information to be identified2
As the preferred embodiment of vehicle license plate identifying system, the industrial personal computer includes license plate determination module, and the license plate is sentenced In cover half block, when to carrying out vehicle license board information and vehicle license board information being gone to there are identification data, if when identical license plate occurs Between interval be less than given set time T, and T2-T1When > 0, determines to carry out vehicle license board information and vehicle license board information is gone to be identified as Function vehicle identification data or goes vehicle to identify data as license plate recognition result using described.
As the preferred embodiment of vehicle license plate identifying system, in the license plate determination module, when to come vehicle license board information and When vehicle license board information being gone to there are identification data, if when the time interval that identical license plate occurs is greater than given set time T, or T2-T1< 0 indicates to carry out vehicle license board information and to go vehicle license board information identify respectively successfully primary, according to carrying out the progress of vehicle license board information The real-time time T of identification1With to the real-time time T for going vehicle license board information to be identified2License plate recognition result is judged, in T2-T1It is small In the case where T;When to come vehicle license board information identify successfully, to vehicle license board information recognition failures are removed when, since vehicle identify data As license plate recognition result;When to carry out vehicle license board information recognition failures, to going vehicle license board information to identify successfully when, to go vehicle to identify Data are as license plate recognition result.
As the preferred embodiment of vehicle license plate identifying system, the industrial personal computer and the forward direction license plate imaging identification component and Backward license plate imaging identification component is established a connection by cable network or wireless transport module, and the cable network is using string One of mouth, network interface or optical fiber, the wireless transport module use one of bluetooth, 3G, 4G or WiFi.
It further include control data corporation as the preferred embodiment of vehicle license plate identifying system, the industrial personal computer is by the vehicle Board recognition result is sent to the control data corporation.
The embodiment of the present invention has the advantages that by carrying out identification acquisition come vehicle license board information to driving vehicle come vehicle Identify data, record carrys out the real-time time that vehicle license board information is identified to driving vehicle, goes vehicle license plate to believe driving vehicle Breath carries out identification acquisition and vehicle is gone to identify data, records the real-time time for going vehicle license board information to be identified driving vehicle, according to Carry out vehicle license board information and go vehicle license board information and whether there is time interval that when identification data and identical license plate occurs with to The size of fixed set time determines license plate recognition result.The embodiment of the present invention is based on two-way double Car license recognition camera shooting, utilizes There are the characteristics of headstock and the tailstock for license plate, Car license recognition chance originally only once are disposably increased twice, to mention significantly The high success rate of highway Car license recognition.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Fig. 1 is a kind of vehicle license plate recognition methods schematic diagram provided in the embodiment of the present invention;
Fig. 2 is a kind of vehicle license plate identifying system schematic diagram provided in the embodiment of the present invention;
Fig. 3 is a kind of vehicle license plate identifying system schematic layout pattern provided in the embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
In the specific technical solution for understanding the embodiment of the present invention, the meaning of following technical characteristic are as follows:
Carry out vehicle license board information, positioned at the license board information of front of the car, when vehicle is taken the photograph close to forward direction license plate on a highway When as recognizer component to come vehicle license board information identification;
Vehicle license board information is gone, positioned at the license board information of rear vehicle end, when vehicle is taken the photograph by preceding to license plate on a highway As recognizer component and far from when pass through after to license plate imaging identification component to go vehicle license board information identify;
Carry out vehicle identification data, identifies the data obtained to vehicle license board information is carried out to license plate imaging identification component by preceding;
Go vehicle identify data, by it is rear to license plate imaging identification component to go vehicle license board information identification obtain data.
Referring to Fig. 1, the embodiment of the present invention provides a kind of vehicle license plate recognition methods, comprising the following steps:
S1a: identify that obtaining vehicle identifies data to the vehicle license board information of coming of driving vehicle, record is to the Travel vehicle Carry out the real-time time T that vehicle license board information is identified1
S2a: it goes vehicle license board information to carry out identifying that acquisition goes vehicle to identify data driving vehicle, records to the Travel vehicle The real-time time T for going vehicle license board information to be identified2
S3a: when to carrying out vehicle license board information and vehicle license board information being gone to there are identification data, if occur when identical license plate Time interval is less than given set time T, and T2-T1When > 0, determines to carry out vehicle license board information and vehicle license board information is gone to identify Success vehicle identification data or goes vehicle to identify data as license plate recognition result using described.
In one embodiment of vehicle license plate recognition methods, S3b: when to vehicle license board information and vehicle license board information to be gone to deposit When identifying data, if when the time interval that identical license plate occurs is greater than given set time T or T2-T1When < 0, vehicle is determined Portal frame is passed twice through, and carrys out vehicle license board information and to go vehicle license board information to identify respectively successfully primary.S3c: according to next The real-time time T that vehicle license board information is identified1With to the real-time time T for going vehicle license board information to be identified2Judge Car license recognition As a result, in T2-T1In the case where < T;When to come vehicle license board information identify successfully, to vehicle license board information recognition failures are removed when, since Vehicle identifies data as license plate recognition result;When to carry out vehicle license board information recognition failures, to going vehicle license board information to identify successfully when, To go vehicle to identify data as license plate recognition result.
Referring to figs. 2 and 3, the embodiment of the present invention also provides a kind of vehicle license plate identifying system, including portal frame 1, described Portal frame 1 is across above road, to license plate imaging identification component 2, backward license plate imaging identification component 3, exchange before further including Machine 4 and industrial personal computer 5;The forward direction license plate imaging identification component 2 and backward license plate imaging identification component 3 are separately connected described gantry Frame 1, the interchanger 4 establish connection pass with the forward direction license plate imaging identification component 2 and backward license plate imaging identification component 3 System, interchanger 4 establish a connection with the industrial personal computer 5, and the forward direction license plate imaging identification component 2 and the camera shooting of backward license plate are known The license plate identification data that other component 3 will acquire is transferred to the industrial personal computer 5 by interchanger 4.
In one embodiment of vehicle license plate identifying system, the forward direction license plate imaging identification component 2 is used for Travel vehicle Come vehicle license board information carry out identification obtain come vehicle identification data, forward direction license plate imaging identification component 2 record to the traveling Vehicle carrys out the real-time time T that vehicle license board information is identified1.The backward license plate imaging identification component 3 is used for driving vehicle Go vehicle license board information to carry out identification and obtain that vehicle is gone to identify data, backward license plate imaging identification component 3 record is to the Travel vehicle The real-time time T for going vehicle license board information to be identified2.The industrial personal computer 5 includes license plate determination module 6, and the license plate determines In module 6, when to carrying out vehicle license board information and vehicle license board information being gone to there are identification data, if when the time of identical license plate appearance Interval is less than given set time T, and T2-T1When > 0, determines to carry out vehicle license board information and vehicle license board information is gone to identify success, Vehicle identification data or vehicle is gone to identify data as license plate recognition result using described.
For example, when vehicle travels the forward direction license plate imaging identification by being arranged on a portal frame 1 on a highway Component 2 and backward license plate imaging identification component 3, forward direction license plate imaging identification component 2 carrys out vehicle license plate letter to driving vehicle at this time Breath carries out identification acquisition one and carrys out vehicle identification data A, and vehicle is after portal frame 1, backward 3 pairs of license plate imaging identification component travelings Vehicle go vehicle license board information carry out identification obtain one go vehicle identify data B, at this time if obtain come vehicle identification data A and Go vehicle identification data B identical, since forward direction license plate imaging identification component 2 and backward license plate imaging identification component 3 are identifying mistake Under the premise of carry out vehicle identification data A and go the identical probability of vehicle identification data B almost nil, and vehicle passes through positioned at a dragon The time difference of forward direction license plate imaging identification component 2 and backward license plate imaging identification component 3 on door frame 1 is can be according to speed model Enclose and counted in advance, thus when carry out vehicle identification data A and go vehicle identification data B identical and the time interval that occurs less than to Fixed set time T, and T2-T1When > 0, it may be considered that forward direction license plate imaging identification component 2 and backward license plate imaging identification group Part 3 to Car license recognition success, at this time can vehicle in future identification data A or go vehicle identification data B as license plate recognition result.
In one embodiment of vehicle license plate identifying system, in the license plate determination module 6, when to come vehicle license board information and When vehicle license board information being gone to there are identification data, if when the time interval that identical license plate occurs is greater than given set time T, or T2-T1When < 0, determine that vehicle passes twice through the portal frame, and carry out vehicle license board information and vehicle license board information is gone to identify success respectively Once, according to the real-time time T for carrying out vehicle license board information and being identified1With to the real-time time for going vehicle license board information to be identified T2License plate recognition result is judged, in T2-T1In the case where < T;When identifying successfully, to going vehicle license board information to carrying out vehicle license board information When recognition failures, since vehicle identification data as license plate recognition result;When to carry out vehicle license board information recognition failures, to removing vehicle license plate When information is identified successfully, to go vehicle to identify data as license plate recognition result.
Specifically, knowing when vehicle travels on a highway by the forward direction license plate camera shooting being arranged on a portal frame 1 Other component 2 and backward license plate imaging identification component 3, forward direction license plate imaging identification component 2 carrys out vehicle license plate to driving vehicle at this time Information carries out identification acquisition one and carrys out vehicle identification data A, and vehicle is after portal frame 1, backward 3 pairs of rows of license plate imaging identification component That sails vehicle goes vehicle license board information identify that obtaining one goes vehicle to identify data B, at this time if what is obtained carrys out vehicle identification data A It is different with vehicle identification data B is removed, then it can not assert that carrying out vehicle identifies which is correctly to identify to data A with vehicle identification data B is removed As a result.When vehicle is in subsequent driving process, 2 He of forward direction license plate imaging identification component on a portal frame 1 is again passed by When backward license plate imaging identification component 3, then it will appear one again and carry out vehicle identification data C and one is gone vehicle to identify data D, at this time such as Fruit, which carrys out vehicle identification data C and Lai Che identification data A, identical then can be determined that carrying out vehicle identification data is accurately identical license plate at this time Time of occurrence interval be greater than given set time T (there is a certain distance between two portal frames 1, vehicle this section away from Need to expend the regular hour from driving process), thus can vehicle in future identification data C and Lai Che identification data A any result As license plate recognition result.Similarly, it can be determined that vehicle identifies if going vehicle identification data D identical with vehicle identification data B is removed Data are accurate, therefore can will remove vehicle identification data D and go any result of vehicle identification data B as license plate recognition result.
In one embodiment of vehicle license plate identifying system, the industrial personal computer 5 and the forward direction license plate imaging identification component 2 It is established a connection with backward license plate imaging identification component 3 by wireless transport module 7, the wireless transport module 7 is using blue One of tooth, 3G, 4G or WiFi, the industrial personal computer 5 are known with the forward direction license plate imaging identification component 2 and the camera shooting of backward license plate Other component 3 can also be established a connection by cable network 9, and cable network 9 is using one of serial ports, network interface or optical fiber. It additionally include control data corporation 8, the license plate recognition result is sent to the control data corporation 8 by the industrial personal computer 5. Specifically, using the two-way double Car license recognition camera assembly in front and back and license plate of deployment, there are the characteristics of headstock and the tailstock, will be former Originally Car license recognition chance only once increases twice, to improve the method for identifying success rate.Utilize industrial personal computer 5 or other modes (judgement is screened in license plate imaging identification component networking itself, control data corporation 8 screens the modes such as judgement) completes Car license recognition number According to examination judgement method, complete license plate by interchanger 4 or other networking modes (in the way of bluetooth, 3G/4G, WiFi etc.) and take the photograph The method shared as identifying system data interchange.
The present invention is recorded by carrying out identification acquisition come vehicle license board information to driving vehicle come vehicle identification data to traveling Vehicle carrys out the real-time time that vehicle license board information is identified, goes vehicle license board information to carry out identifying that acquisition goes vehicle to know driving vehicle Other data record the real-time time for going vehicle license board information to be identified driving vehicle, according to vehicle license board information and to remove vehicle vehicle Board information whether there is the time interval and the size of given set time that when identifying data and identical license plate occurs, Determine license plate recognition result.The embodiment of the present invention is based on two-way double Car license recognition camera shooting, and using license plate, there are headstocks and the tailstock Characteristic, Car license recognition chance originally only once is disposably increased as twice, the knowledge of highway license plate is substantially increased Other success rate.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore, These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.

Claims (10)

1. a kind of vehicle license plate recognition methods, which is characterized in that in the recognition methods, to license plate imaging identification component before configuration With backward license plate imaging identification component, the forward direction license plate imaging identification component recognition direction to the car license plate, the backward license plate Imaging identification component recognition removes vehicle direction license plate, by the forward direction license plate imaging identification component and backward license plate imaging identification component In any one identify successful direction to the car license plate data or go license plate recognition result of the vehicle direction license plate data as vehicle.
2. a kind of vehicle license plate recognition methods according to claim 1, which comprises the following steps:
Identify that obtaining vehicle identifies data to the vehicle license board information of coming of driving vehicle, record carrys out vehicle vehicle to the driving vehicle The real-time time T that board information is identified1
Vehicle license board information is gone to carry out identifying that acquisition goes vehicle to identify data driving vehicle, record removes vehicle vehicle to the driving vehicle The real-time time T that board information is identified2
When to carrying out vehicle license board information and vehicle license board information being gone to there are identification data, if when the time interval of identical license plate appearance Less than given set time T, and T2-T1When > 0, determines to carry out vehicle license board information and vehicle license board information is gone to identify success, with institute It states and carrys out vehicle identification data or go vehicle identification data as license plate recognition result.
3. a kind of vehicle license plate recognition methods according to claim 2, which is characterized in that when to vehicle license board information and to go When there are identification data in vehicle license board information, if when the time interval that identical license plate occurs is greater than given set time T, or T2-T1< 0 determines that vehicle passes twice through portal frame, and carrys out vehicle license board information and vehicle license board information is gone to identify successfully one respectively It is secondary.
4. a kind of vehicle license plate recognition methods according to claim 3, which is characterized in that according to come vehicle license board information into The real-time time T of row identification1With to the real-time time T for going vehicle license board information to be identified2Judge license plate recognition result;In T2-T1 In the case where less than T, when to come vehicle license board information identify successfully, to vehicle license board information recognition failures are removed when, since vehicle identify number According to as license plate recognition result;When to carry out vehicle license board information recognition failures, to going vehicle license board information to identify successfully when, to go vehicle to know Other data are as license plate recognition result.
5. a kind of vehicle license plate identifying system, including portal frame, the portal frame is across above road, which is characterized in that also Including preceding to license plate imaging identification component, backward license plate imaging identification component, interchanger and industrial personal computer;The forward direction license plate camera shooting Recognizer component and backward license plate imaging identification component are separately connected the portal frame, and the interchanger and the forward direction license plate image Recognizer component and backward license plate imaging identification component establish a connection, and interchanger establishes a connection with the industrial personal computer, institute The license plate identification data that will acquire before stating to license plate imaging identification component and backward license plate imaging identification component is passed by interchanger It is defeated to arrive the industrial personal computer.
6. a kind of vehicle license plate identifying system according to claim 5, which is characterized in that the forward direction license plate imaging identification Component is used to carry out identifying that acquisition carrys out vehicle and identifies data, forward direction license plate imaging identification component to the vehicle license board information of coming of driving vehicle Record carrys out the real-time time T that vehicle license board information is identified to the driving vehicle1
The backward license plate imaging identification component is used to go vehicle license board information to carry out identifying that acquisition goes vehicle to identify driving vehicle Data, the real-time time T that backward license plate imaging identification component record goes vehicle license board information to be identified the driving vehicle2
7. a kind of vehicle license plate identifying system according to claim 5, which is characterized in that the industrial personal computer includes that license plate is sentenced Cover half block, in the license plate determination module, when to carrying out vehicle license board information and vehicle license board information being gone to there are identification data, if working as The time interval that identical license plate occurs is less than given set time T, determines to carry out vehicle license board information and vehicle license board information is gone to know Not Cheng Gong, vehicle identification data or vehicle is gone to identify data as license plate recognition result using described.
8. a kind of vehicle license plate identifying system according to claim 7, which is characterized in that in the license plate determination module, When to carrying out vehicle license board information and vehicle license board information being gone to there are identification data, if when the time interval that identical license plate occurs is greater than Given set time T or T2-T1< 0 is indicated to carry out vehicle license board information and to go vehicle license board information to identify respectively successfully primary;According to To the real-time time T for carrying out vehicle license board information and being identified1With to the real-time time T for going vehicle license board information to be identified2Judge license plate Recognition result, in T2-T1In the case where T;When identifying successfully, to removing vehicle license board information recognition failures to carrying out vehicle license board information When, since vehicle identification data as license plate recognition result;When to come vehicle license board information recognition failures, to go vehicle license board information identify When success, to go vehicle to identify data as license plate recognition result.
9. a kind of vehicle license plate identifying system according to claim 5, which is characterized in that the industrial personal computer and the forward direction License plate imaging identification component and backward license plate imaging identification component are established a connection by cable network or wireless transport module, The cable network uses bluetooth, 3G, 4G or WiFi using one of serial ports, network interface or optical fiber, the wireless transport module One of.
10. a kind of vehicle license plate identifying system according to claim 5, which is characterized in that it further include control data corporation, The license plate recognition result is sent to the control data corporation by the industrial personal computer.
CN201910339692.5A 2019-04-25 2019-04-25 Vehicle license plate recognition method and system Active CN109902689B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910339692.5A CN109902689B (en) 2019-04-25 2019-04-25 Vehicle license plate recognition method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910339692.5A CN109902689B (en) 2019-04-25 2019-04-25 Vehicle license plate recognition method and system

Publications (2)

Publication Number Publication Date
CN109902689A true CN109902689A (en) 2019-06-18
CN109902689B CN109902689B (en) 2021-06-29

Family

ID=66956277

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910339692.5A Active CN109902689B (en) 2019-04-25 2019-04-25 Vehicle license plate recognition method and system

Country Status (1)

Country Link
CN (1) CN109902689B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103077610A (en) * 2012-12-31 2013-05-01 清华大学 Road trip time estimating method and system
CN104658265A (en) * 2015-03-08 2015-05-27 无锡桑尼安科技有限公司 System for recognizing vehicle crossing full line and changing lanes at traffic intersection
KR20170000111A (en) * 2015-06-23 2017-01-02 (주)모가씨앤디 Parking management system based with solution using place
KR101753660B1 (en) * 2017-02-22 2017-07-19 주식회사한맥아이피에스 System of access control of stockbreeding farmhouse and method thereof
CN107742422A (en) * 2017-10-11 2018-02-27 公安部第三研究所 Road vehicle monitoring system violating the regulations and its method
CN107886730A (en) * 2017-10-31 2018-04-06 深圳市小猫信息技术有限公司 A kind of vehicle information acquisition system and method
CN108133599A (en) * 2017-12-21 2018-06-08 山东亿海兰特通信科技有限公司 A kind of slag-soil truck video frequency identifying method and system
CN108492578A (en) * 2018-04-19 2018-09-04 厦门民望科技有限公司 A kind of headstock and tailstock car plate two-way video recognition methods
CN108960154A (en) * 2018-07-06 2018-12-07 西安艾润物联网技术服务有限责任公司 Follow the bus recognition methods, system and computer readable storage medium
CN109243182A (en) * 2018-10-19 2019-01-18 天津天地基业科技有限公司 A kind of car plate detection system based on vertical candid camera

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103077610A (en) * 2012-12-31 2013-05-01 清华大学 Road trip time estimating method and system
CN104658265A (en) * 2015-03-08 2015-05-27 无锡桑尼安科技有限公司 System for recognizing vehicle crossing full line and changing lanes at traffic intersection
KR20170000111A (en) * 2015-06-23 2017-01-02 (주)모가씨앤디 Parking management system based with solution using place
KR101753660B1 (en) * 2017-02-22 2017-07-19 주식회사한맥아이피에스 System of access control of stockbreeding farmhouse and method thereof
CN107742422A (en) * 2017-10-11 2018-02-27 公安部第三研究所 Road vehicle monitoring system violating the regulations and its method
CN107886730A (en) * 2017-10-31 2018-04-06 深圳市小猫信息技术有限公司 A kind of vehicle information acquisition system and method
CN108133599A (en) * 2017-12-21 2018-06-08 山东亿海兰特通信科技有限公司 A kind of slag-soil truck video frequency identifying method and system
CN108492578A (en) * 2018-04-19 2018-09-04 厦门民望科技有限公司 A kind of headstock and tailstock car plate two-way video recognition methods
CN108960154A (en) * 2018-07-06 2018-12-07 西安艾润物联网技术服务有限责任公司 Follow the bus recognition methods, system and computer readable storage medium
CN109243182A (en) * 2018-10-19 2019-01-18 天津天地基业科技有限公司 A kind of car plate detection system based on vertical candid camera

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
YAN ZHOU ET AL: "Based on Particle Swarm Optimization real-time license plate recognition", 《2008 7TH WORLD CONGRESS ON INTELLIGENT CONTROL AND AUTOMATION》 *
骆继明: "基于LPR的车辆超速抓拍***的设计与实现", 《中国优秀硕士学位论文全文数据库信息科技辑》 *

Also Published As

Publication number Publication date
CN109902689B (en) 2021-06-29

Similar Documents

Publication Publication Date Title
CN107204114A (en) A kind of recognition methods of vehicle abnormality behavior and device
CN106541968B (en) The recognition methods of the subway carriage real-time prompt system of view-based access control model analysis
CN107220633A (en) A kind of intelligent mobile enforcement system and method
CN106128090A (en) Identify the method and device of information of vehicles
CN106778648A (en) Vehicle tracing and Vehicle License Plate Recognition System and recognition methods
CN101030323A (en) Automatic evidence collecting device on crossroad for vehicle horning against traffic regulation
CN107464446B (en) Inspection method and device for vertical parking space parking information
CN108039044A (en) The system and method that Vehicular intelligent based on multiple dimensioned convolutional neural networks is lined up
CN105955099A (en) Driving mode switching method and apparatus for an unmanned vehicle
CN110164164A (en) The method for identifying complicated road precision using camera shooting function enhancing Mobile Telephone Gps software
CN105894818A (en) Vehicle intersection traffic violation evidence obtaining system and method
US11557133B1 (en) Automatic license plate recognition
CN110059541A (en) A kind of mobile phone usage behavior detection method and device in driving
CN111862623A (en) Vehicle side map splicing device and method
CN101377886A (en) Electronic apparatus for obtaining evidence of vehicle peccancy whistle, electronic policeman system and evidence-obtaining method
CN205621299U (en) Supplementary station reporting system and automobile -mounted terminal based on video identification
CN115050012A (en) Method for detecting fatigue driving of driver wearing mask based on lightweight model
CN205050342U (en) Car snapshot system that makes a dash across red light that whistles
CN109902689A (en) A kind of vehicle license plate recognition methods and system
CN210515650U (en) Intelligent environment-friendly electronic snapshot system for black smoke vehicle on road
CN108566247A (en) A kind of vehicle-mounted exchange method to interconnect, readable storage medium storing program for executing and car-mounted terminal
CN111079488B (en) Deep learning-based bus passenger flow detection system and method
EP2862154B1 (en) Grouping of data attached to images
CN204884183U (en) Parking area bluetooth WIFI read head and cell -phone APP assist license plate recognition
CN107831762A (en) The path planning system and method for a kind of new-energy automobile

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant