CN108492578A - A kind of headstock and tailstock car plate two-way video recognition methods - Google Patents
A kind of headstock and tailstock car plate two-way video recognition methods Download PDFInfo
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- CN108492578A CN108492578A CN201810354137.5A CN201810354137A CN108492578A CN 108492578 A CN108492578 A CN 108492578A CN 201810354137 A CN201810354137 A CN 201810354137A CN 108492578 A CN108492578 A CN 108492578A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
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Abstract
A kind of headstock and tailstock car plate two-way video recognition methods, this method are to install two car license recognition equipments in Entrance, and wherein car license recognition equipment 1 is arranged close on the safety island of banister, apart from 4.5 meters of video identification region, are responsible for identification headstock car plate；Car license recognition equipment 2 is mounted on the safety island from banister all-in-one machine appropriate location, is responsible for the tailstock car plate of identification vehicle；When two vehicle spacing of Entrance is closer, the headstock car plate of rear car can not be recognized by car license recognition equipment 1, but the tailstock car plate of rear car can be recognized by car license recognition equipment 2.The present invention effectively solves the problems, such as that the vehicle with vehicle admission can not be identified, keeps car plate video identification technology more perfect by increasing a car license recognition equipment in parking lot entrance.
Description
Technical field
The invention belongs to parking lot technical fields, and in particular to a kind of headstock and tailstock car plate two-way video recognition methods.
Background technology
For car license recognition equipment using more and more extensive in parking system, Car license recognition is a kind of to utilize collecting vehicle at present
Dynamic video or still image carry out the number-plate number, the automatic mode identification technology of car plate color.One complete car plate
Identification equipment should include several parts such as vehicle detection, Image Acquisition, Car license recognition.The core of car license recognition equipment includes that car plate is fixed
Position algorithm, Character Segmentation of License Plate and optical character recognition algorithms etc..
Image acquisition units are triggered when vehicle reaches when vehicle detection portion sorting measures, Car license recognition camera acquires current
Video image.Car license recognition unit handles image, orients car plate position, then by the Character segmentation in car plate out into
Row identification finally forms number-plate number output.At present in managing system of car parking, the application model of Car license recognition camera is usual
Using video recognition mode.Video recognition mode be in 3 to 8 meters of position of parking lot entrance, when vehicle drives into the region,
Triggering car license recognition equipment is identified into vehicle license plate information.
It is had a problem that in car plate video recognition mode, as shown in Figure 1, when 2 workshops of Entrance are every closer
When, the headstock car plate of B vehicles is blocked by the tailstock of A vehicles, and B vehicles can not be identified by car license recognition equipment, when A vehicle admissions, B
Vehicle can follow A vehicles to enter parking lot, and B vehicles do not have entry time display, and when leaving parking lot, parking lot can not calculate B vehicles
Parking lot expense brings inconvenience to the operation in parking lot.
Invention content
The purpose of the present invention is the influences of deficiency and parking lot entrance road environment in for the above-mentioned prior art, carry
Go out use headstock and tailstock car plate two-way video recognition methods, with solve due to following distance is short can not identified vehicle with vehicle
Admission problem.
The method of the present invention is achieved by the following technical solution：A kind of headstock and tailstock car plate two-way video identification side
Method, this method are to install two car license recognition equipments in Entrance, and wherein car license recognition equipment 1 is arranged close to banister
On safety island, apart from 4.5 meters of video identification region, it is responsible for identification headstock car plate；Car license recognition equipment 2 is mounted on from banister one
On the safety island of machine appropriate location, it is responsible for the tailstock car plate of identification vehicle；When two vehicle spacing of Entrance is closer, rear car
Headstock car plate can not be recognized by car license recognition equipment 1, but the tailstock car plate of rear car can be recognized by car license recognition equipment 2,
It can effectively solve the problems, such as following vehicle None- identified；Two car license recognition equipments and banister all-in-one machine pass through wirelessly or non-wirelessly
Network is connected with parking lot management software, and admission vehicle is identified in car license recognition equipment, the license board information of admission vehicle
When can be identified, license board information is uploaded into parking lot management software and is further processed, parking lot management software is by car plate
In information preservation to parking data library, and instruction is opened a sluice gate by network transmission and arrives banister all-in-one machine, banister all-in-one machine opens a sluice gate to allow
Vehicle admission.
The method of the present invention specifically includes following steps：
（1）Vehicle drives into Entrance, and into video identification region, triggering car license recognition equipment 1 is to admission vehicle into driving
Board identifies；
（2）The video camera of car license recognition equipment captures vehicle license plate region and carries out algorithm identifying processing, if license board information
When can be identified, parking lot management software is uploaded to, which is saved in parking data by parking lot management software
In library, and instruction is opened a sluice gate by network transmission and arrives banister all-in-one machine, opens banister by vehicle admission；If license board information is not known
When other, then banister all-in-one machine is not opened a sluice gate, and forbids vehicle admission；
（3）When vehicle passes through ground induction coil, car license recognition equipment 2 again identifies that the tailstock car plate of vehicle, by information of vehicles
Parking lot management software is uploaded to, and is saved in parking data library；
（4）In parking lot management software, compares car license recognition equipment 1 and whether car license recognition equipment 2 recognizes license board information
It is completely the same；If the license board information recognized twice is not quite identical, and the difference section in license board information is in setting
Within error range, then same car plate is regarded as, judgement vehicle is non-with vehicle admission；If license board information is completely the same, judgement
Vehicle is non-with vehicle admission；If the license board information for only having car license recognition equipment 2 to upload in parking data library, assert the vehicle
For with vehicle admission.
The beneficial effects of the invention are as follows：By parking lot entrance increase a car license recognition equipment, effectively solve with
The vehicle of vehicle admission can not identified problem, keep car plate video identification technology more perfect.
Description of the drawings
Fig. 1 be 2 workshops every more closely cause following vehicle Car license recognition less than schematic diagram.
Fig. 2 is 2 vehicles of the method for the present invention with fundamental diagram at any time.
Fig. 3 is the fundamental diagram of the scanning car trailer board of the method for the present invention.
Fig. 4 is flow chart of the method for the present invention.
Specific implementation mode
In order to keep technical problems, technical solutions and advantages to be solved clearer, clear, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
As shown in Figure 2,3, the present embodiment provides kind of headstock and tailstock car plate two-way video recognition methods, this method is to stop
Two car license recognition equipments are installed in parking lot entrance the same side, and car license recognition equipment 1 is arranged close on the safety island of banister, distance
Identification headstock car plate is responsible in 4.5 meters of video identification region；Car license recognition equipment 2 is mounted on from banister all-in-one machine appropriate location
On safety island, it is responsible for the tailstock car plate of identification following vehicle；Two car license recognition equipments and banister all-in-one machine by wireless or
Cable network is connected with parking lot management software.When Entrance has two cars into fashionable, A vehicles enter video identification region
When, the headstock car plate of A vehicles is identified in triggering car license recognition equipment 1, and when the license board information of A vehicles can be identified, car plate is known
The license board information of A vehicles is uploaded to parking lot management software by other equipment 1, and parking lot management software preserves the license board information of A vehicles
It into parking data library, and sends and opens a sluice gate instruction and arrive banister all-in-one machine, banister all-in-one machine opens a sluice gate to allow vehicle admission；A vehicles start
Parking lot is driven into, B vehicles closely follow A vehicle admissions, and when B vehicles enter video identification region, since two vehicle spacings are small, B vehicle headstock car plates are by A
The vehicle tailstock covers, and causes 1 None- identified of car license recognition equipment to B vehicles；When A vehicles enter parking lot, since spacing is short, B vehicles
Admission is followed, after B vehicles vehicle body is by ground induction coil, B vehicle tailstock car plates are identified in car license recognition equipment 2, by the vehicle of B vehicles
Board information also uploads to parking lot management program, and the license board information of B vehicles is also saved in parking data by parking lot management program
In library.
Fig. 4 shows the particular flow sheet of the method for the present invention, specifically includes following steps：
（1）Vehicle drives into Entrance, and into video identification region, triggering car license recognition equipment 1 is to admission vehicle into driving
Board identifies；
（2）The video camera of car license recognition equipment captures vehicle license plate region and carries out algorithm identifying processing, if license board information
When can be identified, parking lot management software is uploaded to, which is saved in parking data by parking lot management software
In library, and instruction is opened a sluice gate by network transmission and arrives banister all-in-one machine, opens banister by vehicle admission；If license board information is not known
When other, then banister all-in-one machine is not opened a sluice gate, and forbids vehicle admission；
（3）When vehicle passes through ground induction coil, car license recognition equipment 2 again identifies that the tailstock car plate of vehicle, by information of vehicles
Parking lot management software is uploaded to, and is saved in parking data library；
（4）In parking lot management software, compares car license recognition equipment 1 and whether car license recognition equipment 2 recognizes license board information
It is completely the same；If the license board information recognized twice is not quite identical, and the difference section in license board information is in setting
Within error range, then same car plate is regarded as, judgement vehicle is non-with vehicle admission；If license board information is completely the same, judgement
Vehicle is non-with vehicle admission；If the license board information for only having car license recognition equipment 2 to upload in parking data library, assert the vehicle
For with vehicle admission.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (3)
1. a kind of headstock and tailstock car plate two-way video recognition methods, it is characterised in that this method is being stopped
Two car license recognition equipments 1 and 2 are installed in parking lot entrance the same side, and the car license recognition equipment 1 is arranged close to banister
On safety island, it is responsible for identification headstock car plate；The car license recognition equipment 2 is mounted on the safety island from banister all-in-one machine appropriate location
On, it is responsible for the tailstock car plate of identification vehicle；When two vehicle spacing of Entrance is closer, the headstock car plate of rear car is by the vehicle of front truck
Tail covers, and can not be identified by the car license recognition equipment 1, after current vehicle admission, tailstock car plate of the car license recognition equipment 2 to rear car
It is identified.
2. according to the method described in claim 1, it is characterized in that, two car license recognition equipments and the banister all-in-one machine
It is connected with the parking lot management software by wireless or cable network, the algorithm built in the car license recognition equipment is to vehicle
Board information is identified, and when the license board information of admission vehicle can be identified, license board information is uploaded to the parking lot management
Software is further processed, and license board information is saved in the parking data library by the parking lot management software, and is passed through
Network transmission opens a sluice gate instruction and arrives the banister all-in-one machine, and the banister all-in-one machine opens a sluice gate to allow vehicle admission.
3. according to the method described in claim 1, it is characterized in that, the method includes following steps：
（1）Vehicle drives into Entrance, and into video identification region, triggering car license recognition equipment 1 is to admission vehicle into driving
Board identifies；
（2）The video camera of car license recognition equipment captures vehicle license plate region and carries out algorithm identifying processing, if license board information
When can be identified, parking lot management software is uploaded to, which is saved in parking data by parking lot management software
In library, and instruction is opened a sluice gate by network transmission and arrives banister all-in-one machine, opens banister by vehicle admission；If license board information is not known
When other, then banister all-in-one machine is not opened a sluice gate, and forbids vehicle admission；
（3）When vehicle passes through ground induction coil, car license recognition equipment 2 again identifies that the tailstock car plate of vehicle, by information of vehicles
Parking lot management software is uploaded to, and is saved in parking data library；
（4）In parking lot management software, compares car license recognition equipment 1 and whether car license recognition equipment 2 recognizes license board information
It is completely the same；If the license board information recognized twice is not quite identical, and the difference section in license board information is in setting
Within error range, then same car plate is regarded as, judgement vehicle is non-with vehicle admission；If license board information is completely the same, judgement
Vehicle is non-with vehicle admission；If the license board information for only having car license recognition equipment 2 to upload in parking data library, assert the vehicle
For with vehicle admission.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810354137.5A CN108492578A (en) | 2018-04-19 | 2018-04-19 | A kind of headstock and tailstock car plate two-way video recognition methods |
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|---|---|---|---|
| CN201810354137.5A CN108492578A (en) | 2018-04-19 | 2018-04-19 | A kind of headstock and tailstock car plate two-way video recognition methods |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109584385A (en) * | 2018-12-07 | 2019-04-05 | 北京筑梦园科技有限公司 | A kind of parking lot management method and system |
| CN109741610A (en) * | 2019-03-25 | 2019-05-10 | 西安艾润物联网技术服务有限责任公司 | Vehicles while passing recognition methods, device, equipment and readable storage medium storing program for executing |
| CN109902689A (en) * | 2019-04-25 | 2019-06-18 | 深圳成谷科技有限公司 | A kind of vehicle license plate recognition methods and system |
| CN111354189A (en) * | 2019-12-30 | 2020-06-30 | 武汉无线飞翔科技有限公司 | Method and system for recognizing multiple vehicles in parking lot |
| CN111508231A (en) * | 2019-05-16 | 2020-08-07 | 杭州海康威视***技术有限公司 | Vehicle following determination method, device and system for vehicles on the spot and electronic equipment |
| CN111583703A (en) * | 2020-04-29 | 2020-08-25 | 济南博观智能科技有限公司 | Parking lot access control system and method |
| CN112818744A (en) * | 2020-12-30 | 2021-05-18 | 青岛中兴智能交通有限公司 | Method and system for automatically correcting identification inconsistency of entering and exiting license plates |
| CN113674531A (en) * | 2021-08-21 | 2021-11-19 | 深圳市睿泰科技术有限公司 | License plate recognition all-in-one machine and accurate recognition method |
| CN113903175A (en) * | 2021-09-29 | 2022-01-07 | 深圳市捷顺科技实业股份有限公司 | Tail board filtering and vehicle meeting processing method under common channel mode and related device |
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| CN107680406A (en) * | 2017-10-31 | 2018-02-09 | 深圳市小猫信息技术有限公司 | A kind of license board information acquisition system |
| CN107705572A (en) * | 2017-05-15 | 2018-02-16 | 西安艾润物联网技术服务有限责任公司 | Parking lot control method for vehicle, device, system and storage medium |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109584385A (en) * | 2018-12-07 | 2019-04-05 | 北京筑梦园科技有限公司 | A kind of parking lot management method and system |
| CN109741610A (en) * | 2019-03-25 | 2019-05-10 | 西安艾润物联网技术服务有限责任公司 | Vehicles while passing recognition methods, device, equipment and readable storage medium storing program for executing |
| CN109902689A (en) * | 2019-04-25 | 2019-06-18 | 深圳成谷科技有限公司 | A kind of vehicle license plate recognition methods and system |
| CN109902689B (en) * | 2019-04-25 | 2021-06-29 | 深圳成谷科技有限公司 | Vehicle license plate recognition method and system |
| CN111508231A (en) * | 2019-05-16 | 2020-08-07 | 杭州海康威视***技术有限公司 | Vehicle following determination method, device and system for vehicles on the spot and electronic equipment |
| CN111354189A (en) * | 2019-12-30 | 2020-06-30 | 武汉无线飞翔科技有限公司 | Method and system for recognizing multiple vehicles in parking lot |
| CN111583703A (en) * | 2020-04-29 | 2020-08-25 | 济南博观智能科技有限公司 | Parking lot access control system and method |
| CN111583703B (en) * | 2020-04-29 | 2022-03-08 | 济南博观智能科技有限公司 | Parking lot access control system and method |
| CN112818744A (en) * | 2020-12-30 | 2021-05-18 | 青岛中兴智能交通有限公司 | Method and system for automatically correcting identification inconsistency of entering and exiting license plates |
| CN113674531A (en) * | 2021-08-21 | 2021-11-19 | 深圳市睿泰科技术有限公司 | License plate recognition all-in-one machine and accurate recognition method |
| CN113903175A (en) * | 2021-09-29 | 2022-01-07 | 深圳市捷顺科技实业股份有限公司 | Tail board filtering and vehicle meeting processing method under common channel mode and related device |
| CN113903175B (en) * | 2021-09-29 | 2022-12-20 | 深圳市捷顺科技实业股份有限公司 | Tail board filtering and vehicle meeting processing method under common channel mode and related device |
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Address after: Unit 1101, Unit 1102 of 339 Chengyi Street, Xiamen Software Park Phase III, Fujian Province Applicant after: Xiamen minwang Technology Co. Ltd. Address before: Unit 501, 339 Chengyi Street, Phase III Software Park, Jimei District, Xiamen City, Fujian Province Applicant before: Xiamen minwang Technology Co. Ltd. |
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