CN107195004B - Three video camera Car license recognition toll collection systems and car plate precise recognition method - Google Patents
Three video camera Car license recognition toll collection systems and car plate precise recognition method Download PDFInfo
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- CN107195004B CN107195004B CN201710348449.0A CN201710348449A CN107195004B CN 107195004 B CN107195004 B CN 107195004B CN 201710348449 A CN201710348449 A CN 201710348449A CN 107195004 B CN107195004 B CN 107195004B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
- G06V20/625—License plates
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Finance (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Traffic Control Systems (AREA)
Abstract
The present invention relates to road vehicle toll collection system and License Plate Identification technical field more particularly to a kind of three video camera Car license recognition toll collection systems and car plate precise recognition method.It includes gate system and shooting identifying system based on road toll system, it wherein shoots identifying system and further includes near region Car license recognition video camera including two far field Car license recognition video cameras shooting identifying systems, two far field Car license recognition video cameras are symmetrically mounted on the pillar of special toll collection passage both sides direction to the car, and the near region Car license recognition video camera is mounted on the pillar of special toll collection passageway gate machine system one side.The present invention passes through the accurate identification to car plate, unique identities identification feature-vehicle license plate number image automatic identification to vehicle is simultaneously converted into digital signal, accuracy rate is higher than entity electronic tag recognition rate, the electronic tagging device in existing high speed ETC tracks can be substituted completely, and vehicle not parking can pass through charge station.
Description
Technical field
The present invention relates to road vehicle toll collection system and License Plate Identification technical field more particularly to a kind of three video cameras
Car license recognition toll collection system and car plate precise recognition method.
Background technology
ETC (Electronic Toll Collection) i.e. electronic toll collections are received as road vehicle at present
It is special by microwave after taking a kind of charging mode of prevalence, it is necessary to onboard install one and the associated electronic tag of bank card
Short range communication, when vehicle passes through freeway toll station, not parking bales catch is realized in system energy automatic identification and clearance of arguing for the sake of arguing
Take pass cost.
1, it is realization vehicle in ETC (electronic charging system without parking) toll collection system of freeway toll station so far
Accurate identification, vehicle carried electronic label equipment need to be installed, occupy certain interior space in identified vehicle, user cost is high
And equipment follow-up maintenance is complicated.
2, the ETC tracks of vehicle carried electronic label equipment are installed, while need installation identification antenna equipment, costly, dimension
Shield is complicated.
3, the ETC lane systems based on electronic tag, user need to handle corresponding stored value card entity card and equipment, pass through
The electronic purse function of entity card realizes that supplementing or bind bank card with money in advance withholds.
The content of the invention
The technical problem to be solved by the present invention is to how overcome the deficiencies of the prior art and provide a kind of three video camera car plates to know
Other toll collection system and method.
The present invention to achieve the above object the technical solution adopted is that：
Three video camera Vehicle License Plate Recognition Systems including the gate system based on road toll system and shoot identifying system,
Middle shooting identifying system includes two far field Car license recognition video cameras, and the shooting identifying system further includes near region Car license recognition
Video camera, two far field Car license recognition video cameras are symmetrically mounted on the pillar of special toll collection passage both sides direction to the car,
Near region Car license recognition video camera is mounted on the pillar of special toll collection passageway gate machine system one side, passes through three Car license recognitions
Vehicle license plate carries out picture crawl on the complementary pair special toll collection passage of video camera, and carries out backstage to the recognition result of car plate and patrol
Judgement processing is collected, realizes the accurate identification of the number-plate number.
Based on foregoing Vehicle License Plate Recognition System, vehicle license plate precise recognition method, step is：
(1) vehicle enters special toll collection passage, and shooting identifying system passes through two far field Car license recognition video cameras pair first
Car plate carries out processing of taking pictures, and license plate number is generated digital data transmission to component computer；
(2) shooting identifying system the license board information of acquisition is uploaded to component computer, by computer comparative analysis into
Enter next operating procedure；
(3) if the identical and corresponding vehicle of license board information that two far field Car license recognition video cameras obtain is car plate in system meter
It is on the books in calculation machine database, and without other particular requirements, it is directly entered the automatic current step of deducting fees that car plate corresponds to stored value card
Suddenly；
(4) gate system of tollbooth carries out clearance of arguing for the sake of arguing, and generating normal stream water gauge by component computer remembers；
(5) as vehicle advances, near region Car license recognition video camera is started to work, and carries out Car license recognition；
(6) when the license board information of two far field Car license recognition camera acquisitions is inconsistent, computer is without rear chassis
Board is corresponding to deduct fees.Program carries out the car plate digital signal of far field Car license recognition video camera and near region Car license recognition video capture
Comparison；
(7) based on step (6), when near region Car license recognition video capture result and two far field Car license recognition video cameras are known
Other result one of them when being consistent, the step of deducting fees of passing through automatically that car plate corresponds to stored value card is performed to the license board information that is consistent
Suddenly；
(8) deduct fees completion, the gate system of tollbooth carries out clearance of arguing for the sake of arguing, this passes through system to the vehicle in step (7)
Computer generation suspicious flow water gauge note；
(9) when the information of three camera acquisitions match it is inconsistent, then by manually further being checked；
(10) when the vehicle in step (9) is by manually checking, when confirming unregistered, vehicle is transferred to manual toll collection flow；
(11) when the vehicle in step (9) is by manually checking, when confirming that car plate has been registered, the manual identification information of progress is entangled
Just or driver is operated by Quick Response Code barcode scanning, and the current step of deducting fees of stored value card is corresponded into car plate.
Further, step (3), (7), the stored value card described in (11) are tied up for vehicle by the track based on Car license recognition
Fixed backstage virtual electronic account.
Further, during electronic purse balance amount deficiency, using manual toll collection or by client using the Third-party payment of binding
Instrument carries out clearance of arguing for the sake of arguing after carrying out network payment.
Further, the logical algorithm of three Car license recognition video camera Car license recognitions：Two far field Car license recognitions are first passed through to take the photograph
After camera carries out logic judgment, then carry out the 3rd near region Car license recognition video camera information and judge.
The advantage of the invention is that by the accurate identification to car plate, to unique identities identification feature-vehicle vehicle of vehicle
Trade mark code image automatic identification is simultaneously converted into digital signal, and accuracy rate is higher than entity electronic tag recognition rate, can substitute completely
The electronic tagging device in existing high speed ETC tracks, vehicle not parking can pass through charge station.
Description of the drawings
Fig. 1 Car license recognition charge schematic diagrames of the present invention.
Shooting identifying system positional structure schematic diagram in Fig. 2 present invention.
Specific embodiment
Three video camera Car license recognition toll collection systems, including the gate system 1 based on road toll system and shooting identification system
System 2.Shooting identifying system 2 includes two far field video cameras 21 and a near region video camera 22.The camera used is known for car plate
Other camera.By the setting of two video cameras, the electronic recognition of traditional stored value card entity card is substituted, so as to avoid allowing car owner
Handle entity card, while in tollbooth, can also reduce the installation of identification antenna equipment, simplied system structure, reduce installation and
Maintenance cost；Two far field Car license recognition video cameras 21 are symmetrically mounted on the pillar positioned at special toll collection passage both sides direction to the car
On, near region Car license recognition video camera 22 is mounted on the pillar of 1 one side of special toll collection passageway gate machine system, passes through three vehicles
Vehicle license plate carries out picture crawl on the complementary pair special toll collection passage of board identification video camera, and the recognition result of car plate is carried out
Background logic judgement is handled, and realizes the accurate identification of the number-plate number.
Meanwhile the step of corresponding to above-mentioned vehicle identification toll collection system, method for distinguishing is accurately known on car plate, is：
(1) vehicle enters special toll collection passage 3, and shooting identifying system 2 passes through two far field Car license recognition video cameras first
21 pairs of car plates carry out processing of taking pictures, and license plate number is generated digital data transmission to component computer；
(2) shooting identifying system 2 license board information of acquisition is uploaded to component computer, by computer comparative analysis into
Enter next operating procedure；
(3) if the identical and corresponding vehicle of license board information that two far field Car license recognition video cameras 21 obtain is car plate in system
It is on the books in Computer Database, and without other particular requirements, it is directly entered car plate and corresponds to the automatic of stored value card and current deduct fees
Step；
(4) gate system 1 of tollbooth 4 carries out clearance of arguing for the sake of arguing, and generating normal stream water gauge by component computer remembers；
(5) as vehicle advances, near region Car license recognition video camera 22 is started to work, and carries out Car license recognition；
(6) when the license board information that two far field Car license recognition video cameras 21 gather is inconsistent, computer is without backstage
Car plate is corresponding to deduct fees.Program carries out the car plate number that far field Car license recognition video camera 21 and near region Car license recognition video camera 22 are captured
Word signal contrast；
(7) based on step (6), when near region Car license recognition video camera 22 captures result and two far field Car license recognition video cameras
When one of them of 21 recognition results is consistent, automatic pass through that stored value card is corresponded to the license board information execution car plate that is consistent is buckled
Take step；
(8) deduct fees completion, the gate system of tollbooth 4 carries out clearance of arguing for the sake of arguing, this passes through and be to the vehicle in step (7)
Computer generation suspicious flow water gauge of uniting is remembered；
(9) when the information of three camera acquisitions match it is inconsistent, then by manually further being checked；
(10) when the vehicle in step (9) is by manually checking, when confirming unregistered, vehicle is transferred to manual toll collection flow；
(11) when the vehicle in step (9) is by manually checking, when confirming that car plate has been registered, the manual identification information of progress is entangled
Just or driver is operated by Quick Response Code barcode scanning, and the current step of deducting fees of stored value card is corresponded into car plate.
It is worth noting that：
In car plate accurately knows method for distinguishing, step (3), (7), the stored value card described in (11) are vehicle by being based on
The backstage virtual electronic account of the track binding of Car license recognition.During described electronic purse balance amount deficiency, using manual toll collection or
Clearance of arguing for the sake of arguing is carried out after carrying out network payment using the Third-party payment instrument of binding by client.Three Car license recognition video cameras
The logical algorithm of Car license recognition：After first passing through two far field Car license recognition video cameras progress logic judgments, then carry out the 3rd closely
Area's Car license recognition video camera information judges.
Above-described embodiment is in the art the purpose is to be to allow simply to illustrate that the technical concepts and features of the present invention
Those of ordinary skill can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent variation or modification according to the present invention made by the essence of content, should all covers within the scope of the present invention.
Claims (1)
1. car plate accurately knows method for distinguishing, which is characterized in that based on three video camera Vehicle License Plate Recognition Systems, the three video cameras car plate
Identifying system includes gate system and shooting identifying system based on road toll system, wherein shooting identifying system includes two
Far field Car license recognition video camera, the shooting identifying system further include near region Car license recognition video camera, described two far field vehicles
Board identification video camera is symmetrically mounted on the pillar of special toll collection passage both sides direction to the car, the near region Car license recognition
Video camera is mounted on the pillar of special toll collection passageway gate machine system one side, passes through the complementation of three Car license recognition video cameras
Picture crawl is carried out to vehicle license plate on special toll collection passage, and background logic judgement processing is carried out to the recognition result of car plate,
Realize the accurate identification of the number-plate number, the vehicle license plate precise recognition method, step is：
（1）Vehicle enters special toll collection passage, and shooting identifying system is first by two far field Car license recognition video cameras to car plate
Processing of taking pictures is carried out, license plate number is generated into digital data transmission to component computer；
（2）The license board information of acquisition is uploaded to component computer by shooting identifying system, under being entered by computer comparative analysis
One operating procedure；
（3）If the identical and corresponding vehicle of license board information that two far field Car license recognition video cameras obtain is car plate in component computer
It is on the books in database, and without other particular requirements, it is directly entered the automatic current step of deducting fees that car plate corresponds to stored value card；
（4）The gate system of tollbooth carries out clearance of arguing for the sake of arguing, and generating normal stream water gauge by component computer remembers；
（5）As vehicle advances, near region Car license recognition video camera is started to work, and carries out Car license recognition；
（6）When the license board information of two far field Car license recognition camera acquisitions is inconsistent, computer is without backstage car plate pair
That answers deducts fees, and program carries out the car plate digital signal pair of far field Car license recognition video camera and near region Car license recognition video capture
Than；
（7）Based on step（6）, when near region Car license recognition video capture result and two far field Car license recognition video camera identifications are tied
Fruit one of them when being consistent, the step of deducting fees of passing through automatically that car plate corresponds to stored value card is performed to the license board information that is consistent；
（8）It deducts fees completion, the gate system of tollbooth carries out clearance of arguing for the sake of arguing, this is to step（7）In vehicle, pass through system-computed
Machine generation suspicious flow water gauge note；
（9）When the information of three camera acquisitions match it is inconsistent, then by manually further being checked；
（10）Work as step（9）In vehicle by manually checking, when confirming unregistered, vehicle is transferred to manual toll collection flow；
（11）Work as step（9）In vehicle by manually checking, when confirming that car plate has been registered, carry out manual identification information correct or
Driver is operated by Quick Response Code barcode scanning, and the current step of deducting fees of stored value card is corresponded into car plate；Step（3）、（7）、（11）In
The backstage virtual electronic account that the stored value card is bound for vehicle by the track based on Car license recognition；The electronic money
Bag is when Sorry, your ticket has not enough value, is carried out using manual toll collection or pass through after client carries out network payment using the Third-party payment instrument of binding
It argues for the sake of arguing clearance；The logical algorithm of three Car license recognition video camera Car license recognitions：First pass through two far field Car license recognition video cameras into
After row logic judgment, then carry out the 3rd near region Car license recognition video camera information and judge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710348449.0A CN107195004B (en) | 2017-05-17 | 2017-05-17 | Three video camera Car license recognition toll collection systems and car plate precise recognition method |
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| CN201710348449.0A CN107195004B (en) | 2017-05-17 | 2017-05-17 | Three video camera Car license recognition toll collection systems and car plate precise recognition method |
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| CN107195004A CN107195004A (en) | 2017-09-22 |
| CN107195004B true CN107195004B (en) | 2018-05-18 |
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Cited By (1)
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| US11830256B2 (en) | 2018-02-08 | 2023-11-28 | Genetec Inc. | Systems and methods for locating a retroreflective object in a digital image |
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| CN109035461A (en) * | 2018-08-05 | 2018-12-18 | 夏大庆 | Highway is without card toll collection technique |
| CN109493611A (en) * | 2018-12-28 | 2019-03-19 | 西安艾润物联网技术服务有限责任公司 | A kind of licence plate recognition method and device |
| CN110047314A (en) * | 2019-03-22 | 2019-07-23 | 西安艾润物联网技术服务有限责任公司 | Parking space information modification method, apparatus and system |
| CN111932901B (en) * | 2019-05-13 | 2022-08-09 | 斑马智行网络(香港)有限公司 | Road vehicle tracking detection apparatus, method and storage medium |
| WO2021077205A1 (en) | 2019-10-26 | 2021-04-29 | Genetec Inc. | Automated license plate recognition system and related method |
| CN110910649B (en) * | 2019-12-23 | 2021-02-19 | 浙江大华技术股份有限公司 | Multi-camera cooperative traffic control method, device and system and storage device |
| CN111063046A (en) * | 2019-12-25 | 2020-04-24 | 亿雅捷交通系统(北京)有限公司 | Electronic toll collection passing method and system based on vehicle feature recognition |
| CN111862622B (en) * | 2020-07-27 | 2022-03-04 | 上海福赛特智能科技有限公司 | Device and method for improving identification accuracy of license plate at lane entrance |
| CN115862170B (en) * | 2023-02-27 | 2023-06-09 | 成都智源易行科技有限公司 | License plate recognition auxiliary system and method for ETC charging system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203192064U (en) * | 2013-04-08 | 2013-09-11 | 新利泊（北京）停车科技有限公司 | System for intelligent management of parking lot |
| CN203192035U (en) * | 2013-04-16 | 2013-09-11 | 山东高速股份有限公司 | ETC (electronic toll collection) lane system of coexistence of passenger car and goods van |
| CN105303883B (en) * | 2015-11-25 | 2018-08-10 | 智慧互通科技有限公司 | A kind of Roadside Parking management system and method |
| CN205486314U (en) * | 2016-01-28 | 2016-08-17 | 上海中矿电气科技有限公司 | License plate discernment parking area management equipment |
| CN106503980B (en) * | 2016-12-09 | 2019-07-05 | 青岛国信城市信息科技有限公司 | Twin camera vehicle identification system and charging method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11830256B2 (en) | 2018-02-08 | 2023-11-28 | Genetec Inc. | Systems and methods for locating a retroreflective object in a digital image |
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Address after: 266000 No. 63 Longjiang Road, Huangdao District, Qingdao, Shandong, 63 Patentee after: Qingdao Guoxin city Mdt InfoTech Ltd Address before: 266000 No. 63 Longjiang Road, Huangdao District, Qingdao, Shandong, 63 Patentee before: Qingdao Guoxin Jiaozhou Bay traffic Co., Ltd. |