CN106600968A - License plate identification method and system thereof - Google Patents
License plate identification method and system thereof Download PDFInfo
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- CN106600968A CN106600968A CN201611099971.1A CN201611099971A CN106600968A CN 106600968 A CN106600968 A CN 106600968A CN 201611099971 A CN201611099971 A CN 201611099971A CN 106600968 A CN106600968 A CN 106600968A
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- vehicle
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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
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Abstract
The invention discloses a license plate identification method and a system thereof which are used for determining whether a license plate installed on a vehicle is legal. The method comprises the following steps of determining an installed license plate number of a license plate installed on a vehicle to be detected; determining license plate matching information on the vehicle to be detected, wherein the license plate matching information is used for determining an only corresponding vehicle, and a matched corresponding relation between a recorded license plate number of the vehicle to be detected and the license plate matching information is stored in a first database; based on the matched corresponding relation, determining whether the installed license plate number and the recorded license plate number are the same; if the installed license plate number and the recorded license plate number are the same, determining that the license plate installed on the vehicle to be detected is legal; and if the installed license plate number and the recorded license plate number are not the same, determining that the license plate installed on the vehicle to be detected is illegal.
Description
Technical field
The present invention relates to automation field, more particularly to a kind of licence plate recognition method and system.
Background technology
Fake-licensed car is commonly called as cloning car, refers to the vehicle by forging or illegally extracting road traveling on other number plate of vehicles.
Because motor vehicle, number plate management are lack of standardization, deck behavior has the trend for growing in intensity, and applies mechanically specially from applying mechanically civilian number plate and developing into
With number plate, army's board, alert board, etc..From repacking, assembly car deck develop into scrap car, robber rob car deck again to deception, bribe
Means re-fetch automotive number plate generation.Also, fake-licensed car is very big to personal and society harm, such as：
1st, management and control of the public security organ to public safety, the social destabilizing factor of manufacture are upset.Fake-licensed car not only severe jamming
Good road traffic order, also add the probability of traffic accident generation, and due to fake-licensed car do not have legal procedure and
Insurance, once there is traffic accident, driver easily escapes, and considerably increases the detection difficulty of case.
2nd, transport market management order is upset.Because fake-licensed car escapes the various expenses of taxation, its operating cost will than legal vehicle
Low is more, thus also greatly reduces the expense of cargo transport, and this has directly promoted the harmful competition of transport market, causes fortune
Defeated environment vicious circle, makes orderly transport order become disorderly and unsystematic.
3rd, the economic order of country is upset.Because fake-licensed car is illegal operation, the national various expenses of taxation will not be actively paid, be managed
Reason department has no way of imposing the various expenses of taxation at all, causes a large amount of losses of the national expenses of taxation.
4th, the legitimate rights and interests of true car owner are damaged.Legal vehicle after by other vehicle fake-license, in vehicular traffic violation, accident
The aspect such as process, true car owner often treated unjustly, to true car owner unnecessary trouble and unnecessary economic loss, true car owner are brought
It is also to suffer untold misery.
In prior art, during detection deck, generally according to the time difference and distance occurred before and after the vehicle of same car plate
Whether relation, the appearance for judging the vehicle meets logic, and then judges the vehicle whether deck.But the method needs to use Pang
Big monitoring resource, and detection cycle is longer, it is impossible to testing result is fed back in time, even cannot be examined when network condition is not good
Survey, meanwhile, the method usually can cause erroneous judgement because of missing inspection or other special circumstances.
The content of the invention
The embodiment of the present invention provides a kind of licence plate recognition method and system, the method to solve existing detection vehicle fake-license
Enforcement difficulty is big, the technical problem of detection cycle length.
On the one hand, a kind of licence plate recognition method is embodiments provided, methods described includes：
Determine the installation number-plate number of the car plate installed on vehicle to be measured；
Determine the car plate match information on the vehicle to be measured, wherein, the car plate match information is used to determine that its is unique
Corresponding vehicle, the number-plate number that the car plate match information that is stored with the first database is put on record with the vehicle to be measured it
Between matching corresponding relation；
Based on the matching corresponding relation, the installation number-plate number and the number-plate number put on record whether phase is determined
Together；
If the installation number-plate number is identical with the number-plate number put on record, it is determined that the car that the vehicle to be measured is installed
Board is legal；If the installation number-plate number is differed with the number-plate number put on record, it is determined that what the vehicle to be measured was installed
Car plate is illegal.
Optionally, the vehicle to be measured includes electronic tag, and the electronic tag is stored with the car plate match information；Institute
The car plate match information determined on the vehicle to be measured is stated, including：
Detectable signal is sent to the electronic tag；
The feedback signal that the electronic tag is generated according to the detectable signal is obtained, the feedback signal includes the electricity
The car plate match information of subtab storage；
According to the feedback signal, the car plate match information is determined.
Optionally, after it is determined that the car plate of the vehicle installation to be measured is legal, methods described also includes：
Sending to gate control system or barrier system allows pass-through command, and the permission pass-through command is used to indicate the gate inhibition
System or the barrier system allow the vehicle normal pass to be measured.
Optionally, after it is determined that the car plate of the vehicle installation to be measured is illegal, methods described also includes：
Send to gate control system or barrier system and limit pass-through command, the restriction pass-through command is used to indicate the gate inhibition
System or the barrier system limit the vehicle pass-through to be measured；Or
Warning message is sent to predetermined enforcement system；Or
Output programmed alarm information.
Optionally, first database and the second database association, first database root is according to second data
The content update data in storehouse；Wherein, second database is put on record has the car plate match information and matches letter with the car plate
The number-plate number of breath Corresponding matching.
On the other hand, a kind of Vehicle License Plate Recognition System is embodiments provided, the system includes：
First determining unit, for determining the installation number-plate number of the car plate installed on vehicle to be measured；
Second determining unit, for determining the car plate match information on the vehicle to be measured, wherein, the car plate matching letter
Cease for determining its unique corresponding vehicle, the car plate match information that is stored with the first database and the vehicle to be measured
Matching corresponding relation between the number-plate number put on record；
Matching unit, for based on the matching corresponding relation, determining the installation number-plate number and the car put on record
Whether trade mark code is identical；
3rd determining unit, if identical with the number-plate number put on record for the installation number-plate number, it is determined that institute
The car plate for stating vehicle installation to be measured is legal；If or for it is described installation the number-plate number differ with the number-plate number put on record,
Then determine that the car plate that the vehicle to be measured is installed is illegal.
Optionally, the vehicle to be measured includes electronic tag, and the electronic tag is stored with the car plate match information；Institute
Stating the second determining unit includes：
Signal transmitting unit, for sending detectable signal to the electronic tag；
Signal receiving unit, it is described for obtaining the feedback signal that the electronic tag is generated according to the detectable signal
Feedback signal includes the car plate match information of electronic tag storage；
4th determining unit, for according to the feedback signal, determining the car plate match information.
Optionally, the system also includes the first performing module, and first performing module is used for：
After it is determined that the car plate of the vehicle installation to be measured is legal, sending to gate control system or barrier system allows to pass through
Instruction, the permission pass-through command is used to indicate that the gate control system or the barrier system allow the positive normal open of the vehicle to be measured
OK.
Optionally, the system also includes the second performing module, and second performing module is used for：
After it is determined that the car plate of the vehicle installation to be measured is illegal, sends to gate control system or barrier system and limit logical
Row instruction, or send warning message, or output programmed alarm information to predetermined enforcement system；Wherein, the restriction pass-through command
For indicating that the gate control system or the barrier system limit the vehicle pass-through to be measured.
Optionally, first database and the second database association, first database root is according to second data
The content update data in storehouse；Wherein, second database is put on record has the car plate match information and matches letter with the car plate
The number-plate number of breath Corresponding matching.
In the embodiment of the present invention, due to directly the installation of the car plate installed on vehicle to be measured can be determined according to vehicle to be measured
The number-plate number, and can directly determine car plate match information corresponding with the number-plate number is installed, and then in conjunction with the first data
Corresponding relation is matched between the car plate match information and the number-plate number put on record of place storage, can accurately be determined and be treated measuring car
Whether the installation number-plate number of the car plate installed on is identical with the number-plate number that vehicle to be measured is put on record, and then can accurately determine
Whether legal go out the car plate installed on vehicle to be measured.
Also, when the licence plate recognition method provided using the embodiment of the present invention and system, it is not necessary to be applied to huge
Monitoring network, occupancy resource is few, and construction cost is low.Meanwhile, single detection cycle is short, and inspection can be in time fed back in the short period of time
Result is surveyed, detection efficiency is higher.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be carried with basis
For accompanying drawing obtain other accompanying drawings.
Fig. 1 is the flow chart of licence plate recognition method in the embodiment of the present invention；
Fig. 2 is the structured flowchart of Vehicle License Plate Recognition System in the embodiment of the present invention；
Fig. 3 is the structured flowchart of the second determining unit of Vehicle License Plate Recognition System in the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
It is a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the case where not conflicting, the embodiment and the feature in embodiment in the present invention can mutually be combined.And, although
Logical order is shown in flow chart, but in some cases, to perform shown different from order herein or can be retouched
The step of stating.
In addition, the terms "and/or", a kind of only incidence relation of description affiliated partner, expression there may be
Three kinds of relations, for example, A and/or B can be represented：Individualism A, while there is A and B, individualism B these three situations.Separately
Outward, character "/" herein, in the case where not illustrating, typicallys represent forward-backward correlation pair as if a kind of relation of "or".
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail.
Fig. 1 is referred to, the embodiment of the present invention provides a kind of licence plate recognition method, and the method can be used for detecting vehicle to be measured
Whether the car plate of installation is legal, and specifically, the method can be used to check the illegal deck on road by vehicle supervision department
Vehicle, it is also possible to the vehicle of managing parking field turnover is used for by parking lot management person, or other scenes can also be applied to, this
Place is not illustrated one by one.
The embodiment of the present invention provides the flow process of licence plate recognition method and is described as follows.
S100：Determine the installation number-plate number of the car plate installed on vehicle to be measured.
Wherein, vehicle to be measured can be various types of vehicles, such as kart, car, train, motorcycle, three-wheel
Car etc., as long as specifying that the vehicle for needing to install car plate can be used as vehicle to be measured according to traffic administration.Can on vehicle to be measured
To install car plate, for example, an identical car plate is respectively mounted in headstock and parking stall, it is certainly, mentioned here identical to refer not only to
The appearance forrns of car plate are identical, while also refer to that the number-plate number on car plate is identical, for the ease of description, will in the embodiment of the present invention
The number-plate number of the car plate installed on vehicle to be measured referred to as installs the number-plate number.In addition, car plate can also be various types of cars
Board, such as blue bottom wrongly written or mispronounced character car plate, or yellow bottom surplus car plate, etc., the embodiment of the present invention is not limited this.
In specific implementation process, determining the installation number-plate number of vehicle to be measured can adopt various ways.For example can be with
By the way of IMAQ, treat the upper car plate installed of measuring car and taken pictures, the image of acquisition of taking pictures is analyzed into place
Reason, according to the result of analyzing and processing the installation number-plate number of vehicle to be measured can be obtained.Certainly, can also with using in existing
Alternate manner obtains the installation number-plate number of vehicle to be measured, for the installation license plate number which kind of mode to obtain vehicle to be measured by
Code, the embodiment of the present invention is not restricted.
S200：Determine the car plate match information on vehicle to be measured.
Wherein, car plate match information is used to determine its unique corresponding vehicle that specifically, car plate match information to be used for true
The number-plate number of fixed its unique corresponding vehicle, that is to say, that each car plate match information has its unique corresponding vehicle,
Each car plate match information is uniquely corresponding to a number-plate number, and the number-plate number is what the car plate match information determined
The number-plate number that vehicle is put on record when vehicle management department is put on record.In embodiments of the present invention, car plate match information example
Such as can be the numbering of the environmental protection mark of motor vehicle, or can be the engine mumber of vehicle, or can also be car
Identification number, or can also be the insurance single numbers of the compulsory insurance for traffic accident of motor-drivenvehicle of vehicle purchase, as long as the letter of vehicle can be uniquely determined
Breath can be without limitation as car plate match information, the embodiment of the present invention.
Meanwhile, the matching being stored between car plate match information and the number-plate number put on record in the first database is corresponding to close
System, the first database can be the local data store of the vehicle identification system in the embodiment of the present invention.First database is managed
By the number-plate number that can above cover all vehicles of putting on record, and car plate match information corresponding with the number-plate number put on record.
In specific implementation process, in order to reduce the memory data output of the first database, certain can also be only stored in the first database a piece of
The matching corresponding relation of the corresponding number-plate number put on record of the number-plate number of the vehicle in area or a certain cell.
In specific implementation process, electronic tag can be set on vehicle to be measured, the electronic tag is stored with and treated with this
The car plate match information of measuring car.So then can in the following manner determine the car plate match information on vehicle to be measured：It is first
The feedback signal that detectable signal is generated to electronic tag, electronic tag of reentrying according to detectable signal is first sent, due to the feedback
Signal includes the car plate match information of the vehicle to be measured that electronic tag is stored, and then can be to be measured to determine according to feedback signal
Car plate match information on vehicle.
For example, when numbering of the car plate match information for motor vehicle environmental mark, the electronic tag is motor vehicle environmental protection mark
Will electronic card, the numbering of the motor vehicle environmental mark that is stored with motor vehicle environmental mark electronic card, each motor vehicle environmental protection
Indicating electric card is all unique with a chassis corresponding, and the motor vehicle environmental mark electronic card can be attached at the windshield of vehicle
On.Now, the matching correspondence between the numbering that motor vehicle environmental mark is included in the first database and the number-plate number put on record
Relation.
In specific implementation process, the car plate matching letter stored on electronic tag can be obtained using REID
Breath.When vehicle to be measured is entered in detection range, radiofrequency signal is sent as the electronic tag on detectable signal to vehicle to be measured,
Feedback signal is obtained, the feedback signal is to be received produce after the radiofrequency signal induced-current and by the sense by the electronic tag
Induced current and produce, the feedback signal includes the car plate match information of the vehicle to be measured of electronic tag storage, further
Ground, the feedback signal to getting carries out the data processing such as decoding, to determine the car plate match information on vehicle to be measured.
S300：Based on matching corresponding relation, it is determined that whether install the number-plate number identical with the number-plate number put on record.
According to S200 determine vehicle to be measured on car plate match information, and in the first database car plate match information and
Matching corresponding relation between the number-plate number put on record, can obtain the license plate number that vehicle to be measured is put on record from the first database
Code.For example, it is 123456789 according to the car plate match information on the vehicle to be measured of S200 determinations, the car plate in the first database
The corresponding number-plate number put on record of match information 123456789 is capital A12345, then can determine the car plate that vehicle to be measured is put on record
Number is capital A12345.
In the installation number-plate number for obtaining vehicle to be measured respectively and after the number-plate number put on record, further can be by
Whether the two number-plate numbers are contrasted, identical according to two number-plate numbers, it becomes possible to identify what is installed on vehicle to be measured
Whether car plate is legal.
S400：If it is identical with the number-plate number put on record to install the number-plate number, it is determined that the car plate that vehicle to be measured is installed is legal.
S500：If installing the number-plate number to differ with the number-plate number put on record, it is determined that the car plate that vehicle to be measured is installed is not
It is legal.
Judgement step in S300, it is possible to obtain two kinds of judged results of yes/no, it is to enter one to be when judged result
Step performs S400, when judged result is otherwise further to perform S500.
For example, it is determined that the installation number-plate number of vehicle to be measured be capital A12345, and the car put on record of vehicle to be measured for obtaining
Trade mark code is similarly capital A12345, and two number-plate numbers are identical, then can determine that the car plate that vehicle to be measured is installed is legal, without set
The illegal activities such as board.
For example, it is determined that the installation number-plate number of vehicle to be measured be capital A54321, and the car put on record of vehicle to be measured for obtaining
Trade mark code is capital A12345, it is evident that the number-plate number that the installation number-plate number of vehicle to be measured is put on record with vehicle to be measured is differed,
Then can determine that the car plate that vehicle to be measured is installed is illegal, such as there may be deck illegal activities.
In a kind of possible embodiment, when it is determined that the car plate of vehicle to be measured installation is legal, i.e., when vehicle to be measured
When the installation number-plate number is identical with the number-plate number that vehicle to be measured is put on record, can send to gate control system or barrier system allows to lead to
Row instruction, the permission pass-through command is used to indicate that gate control system or barrier system allow vehicle normal pass to be measured.For example, this
Licence plate recognition method in bright embodiment can apply to the vehicles while passing management in parking lot, when the car plate that vehicle to be measured is installed is closed
During method, sending to the gate control system or barrier system in parking lot allows pass-through command, indicates that gate control system or barrier system are allowed
Vehicles while passing parking lot to be measured.Licence plate recognition method in the embodiment of the present invention can also be applied to control of traffic and road, when treating
When the car plate of measuring car installation is legal, can send to set barrier system on road allows pass-through command, to control
Barrier system allows vehicle normal pass on road to be measured.
In a kind of possible embodiment, when the car plate that vehicle to be measured is installed is illegal, i.e., when the peace of vehicle to be measured
When the number-plate number that the dress number-plate number is put on record with vehicle to be measured is differed, can send to gate control system or barrier system and limit logical
Row instruction, limiting pass-through command is used to indicate that gate control system or barrier system limit vehicle pass-through to be measured, or to predetermined law enforcement system
System sends warning message, or output programmed alarm information.
For example, the licence plate recognition method in the embodiment of the present invention can apply to the vehicles while passing management in parking lot, when treating
When the car plate of measuring car installation is illegal, in the case of one kind is possible, can send to gate control system or barrier system and limit logical
Row instruction, the restriction pass-through command forbids vehicle to be measured to enter and roll away from parking lot for indicating gate control system or barrier system,
Or limit vehicle to be measured can only one-way trip, such as limit vehicle to be measured and can only enter parking lot and parking lot can not be rolled away from.It is logical
Cross to directly transmit and limit current instruction, can directly treat measuring car quickly carries out restriction control, to improve to illegal car
Quick control.
In the case of alternatively possible, warning message can be sent to the enforcement system of vehicle supervision department, reported to the police
The number-plate number that contact method, address and the vehicle to be measured in parking lot are put on record can be included in information.By to performing system
System sends the mode of warning message, and enforcement system can be allowed in time to know the relevant information of illegal vehicle to be measured.
In the case of alternatively possible, can output character information or output on the monitoring screen in parking lot
Audio prompt information, the word information and audio prompt information may each comprise vehicle to be measured the installation number-plate number and/
Or the number-plate number that vehicle to be measured is put on record.
Certainly, the present invention in actual applications, when the car plate that vehicle to be measured is installed is illegal, can also be present other
The combination of processing mode and various processing modes, is not illustrated one by one herein.
Optionally, the first database and the second database association, the first database root according to the second database content update
Data, wherein, the second database is put on record car plate match information and the number-plate number with car plate match information Corresponding matching.Example
Such as, the second database can be the database that vehicle record information is stored in vehicle supervision department, second database purchase
Data content is accurately and comprehensive.First database can be obtained in the second database by modes such as network transmission or copyings
Content.For example, when by the way of network transmission, the first database can according to the content of the second database in real time,
The local data of the first database are automatically updated, when the content during the second database is obtained by the way of copying,
The update cycle can be set, such as can be using one month as update cycle, etc..
Fig. 2 is referred to, the embodiment of the present invention provides a kind of Vehicle License Plate Recognition System, and the system can be used for detecting vehicle to be measured
Whether the car plate of installation is legal, and specifically, the system can be used to check the illegal deck on road by vehicle supervision department
Vehicle, it is also possible to the vehicle of managing parking field turnover is used for by parking lot management person, or other scenes can also be applied to, this
Place is not illustrated one by one.The system includes：
First determining unit 201, for determining the installation number-plate number of the car plate installed on vehicle to be measured；
Second determining unit 202, for determining the car plate match information on vehicle to be measured, wherein, car plate match information is used
In it is determined that its unique corresponding vehicle, the license plate number that the car plate match information that is stored with the first database is put on record with vehicle to be measured
Matching corresponding relation between code；
Matching unit 203, for based on matching corresponding relation, it is determined that whether installing the number-plate number and the number-plate number put on record
It is identical；
3rd determining unit 204, if identical with the number-plate number put on record for installing the number-plate number, it is determined that vehicle to be measured
The car plate of installation is legal；If or differ with the number-plate number put on record for installing the number-plate number, it is determined that vehicle to be measured is installed
Car plate it is illegal.
Optionally, vehicle to be measured includes electronic tag, and electronic tag is stored with car plate match information；Refer to Fig. 3, second
Determining unit 202 includes：
Signal transmitting unit 2021, for sending detectable signal to electronic tag；
Signal receiving unit 2022, for obtaining the feedback signal that electronic tag is generated according to detectable signal, feedback signal
Including the car plate match information of electronic tag storage；
4th determining unit 2023, for according to feedback signal, determining car plate match information.
Optionally, the system also includes the first performing module, and first performing module is used for：
After it is determined that the car plate of vehicle to be measured installation is legal, sending to gate control system or barrier system allows current finger
Order, it is allowed to which pass-through command is used to indicate that gate control system or barrier system allow vehicle normal pass to be measured.
Optionally, the system also includes the second performing module, and second performing module is used for：
After it is determined that the car plate of vehicle to be measured installation is illegal, or warning message is sent to predetermined enforcement system, or it is defeated
Go out programmed alarm information；Wherein, send to gate control system or barrier system and limit pass-through command, limiting pass-through command is used to indicate
Gate control system or barrier system limit vehicle pass-through to be measured.
Optionally, the first database and the second database association, the first database root according to the second database content update
Data；Wherein, the second database is put on record car plate match information and the number-plate number with car plate match information Corresponding matching.
Due to the Vehicle License Plate Recognition System in the embodiment of the present invention it is similar to the principle of above-mentioned identification car plate method solve problem,
Therefore the enforcement of Vehicle License Plate Recognition System may refer to the enforcement of above-mentioned identification car plate method in the embodiment of the present invention, and here is no longer gone to live in the household of one's in-laws on getting married
State.
The licence plate recognition method provided in the embodiment of the present invention and Vehicle License Plate Recognition System, due to directly basis measuring car can be treated
Determine the installation number-plate number of the car plate installed on vehicle to be measured, and can directly determine corresponding with the number-plate number is installed
Car plate match information, so in conjunction between the car plate match information and the number-plate number put on record of the storage of the first data place
With corresponding relation, the car that the installation number-plate number of the car plate installed on vehicle to be measured is put on record with vehicle to be measured can be accurately determined
Whether trade mark code is identical, and then can accurately determine whether the car plate installed on vehicle to be measured is legal.
Meanwhile, the licence plate recognition method and Vehicle License Plate Recognition System of offer in the embodiment of the present invention, it is not necessary to be applied to huge
Monitoring network, take resource it is few, construction cost is low.Meanwhile, method and system single detection week provided in an embodiment of the present invention
Phase is short, and testing result can be in time fed back in the short period of time.
Further, car plate match information is stored as a result of electronic tag, by the mode energy such as REID
It is enough rapidly, accurately to obtain the car plate match information of vehicle to be measured in the case of not contact measured vehicle, and place can be detected
Vehicle to be measured in traveling.
Further, due to being provided with local data base, i.e. the first database, ensure that in the not good situation of network condition
Under, remain able to recognize car plate；Meanwhile, by the first database and the second database association, the first database root is according to the second data
The content update data in storehouse, it is ensured that the comprehensive and validity of the first data-base content so that the method for the identification car plate and
System is capable of identify that the vehicle newly put on record.
Finally it should be noted that：Above example only to illustrate technical scheme, rather than a limitation；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of licence plate recognition method, it is characterised in that methods described includes：
Determine the installation number-plate number of the car plate installed on vehicle to be measured；
Determine the car plate match information on the vehicle to be measured, wherein, the car plate match information is used to determine its unique correspondence
Vehicle, between the number-plate number that the car plate match information that is stored with the first database and the vehicle to be measured are put on record
Matching corresponding relation；
Based on the matching corresponding relation, determine whether the installation number-plate number is identical with the number-plate number put on record；
If the installation number-plate number is identical with the number-plate number put on record, it is determined that the car plate that the vehicle to be measured is installed is closed
Method；If the installation number-plate number is differed with the number-plate number put on record, it is determined that the car plate that the vehicle to be measured is installed
It is illegal.
2. the method for claim 1, it is characterised in that the vehicle to be measured includes electronic tag, the electronic tag
Be stored with the car plate match information；The car plate match information determined on the vehicle to be measured, including：
Detectable signal is sent to the electronic tag；
The feedback signal that the electronic tag is generated according to the detectable signal is obtained, the feedback signal includes the electronics mark
Sign the car plate match information of storage；
According to the feedback signal, the car plate match information is determined.
3. the method for claim 1, it is characterised in that after it is determined that the car plate installed of the vehicle to be measured is legal,
Methods described also includes：
Sending to gate control system or barrier system allows pass-through command, and the permission pass-through command is used to indicate the gate control system
Or the barrier system allows the vehicle normal pass to be measured.
4. the method for claim 1, it is characterised in that it is determined that the car plate installed of the vehicle to be measured it is illegal it
Afterwards, methods described also includes：
Send to gate control system or barrier system and limit pass-through command, the restriction pass-through command is used to indicate the gate control system
Or the barrier system limits the vehicle pass-through to be measured；Or
Warning message is sent to predetermined enforcement system；Or
Output programmed alarm information.
5. the method as described in any claim in claim 1-4, it is characterised in that first database and the second number
According to storehouse associate, first database root according to second database content update data；Wherein, second database is standby
Case has the car plate match information and the number-plate number with the car plate match information Corresponding matching.
6. a kind of Vehicle License Plate Recognition System, it is characterised in that the system includes：
First determining unit, for determining the installation number-plate number of the car plate installed on vehicle to be measured；
Second determining unit, for determining the car plate match information on the vehicle to be measured, wherein, the car plate match information is used
In it is determined that its unique corresponding vehicle, the car plate match information that is stored with the first database is put on record with the vehicle to be measured
The number-plate number between matching corresponding relation；
Matching unit, for based on the matching corresponding relation, determining the installation number-plate number and the license plate number put on record
Whether code is identical；
3rd determining unit, if identical with the number-plate number put on record for the installation number-plate number, it is determined that described to treat
The car plate that measuring car is installed is legal；If or for it is described installation the number-plate number differ with the number-plate number put on record, really
The car plate that the fixed vehicle to be measured is installed is illegal.
7. system as claimed in claim 6, it is characterised in that the vehicle to be measured includes electronic tag, the electronic tag
Be stored with the car plate match information；Second determining unit includes：
Signal transmitting unit, for sending detectable signal to the electronic tag；
Signal receiving unit, for obtaining the feedback signal that the electronic tag is generated according to the detectable signal, the feedback
Signal includes the car plate match information of electronic tag storage；
4th determining unit, for according to the feedback signal, determining the car plate match information.
8. system as claimed in claim 6, it is characterised in that the system also includes the first performing module, and described first holds
Row module is used for：
After it is determined that the car plate of the vehicle installation to be measured is legal, sending to gate control system or barrier system allows current finger
Order, the permission pass-through command is used to indicate that the gate control system or the barrier system allow the positive normal open of the vehicle to be measured
OK.
9. system as claimed in claim 6, it is characterised in that the system also includes the second performing module, and described second holds
Row module is used for：
After it is determined that the car plate of the vehicle installation to be measured is illegal, sends to gate control system or barrier system and limit current finger
Order, or send warning message, or output programmed alarm information to predetermined enforcement system；Wherein, the restriction pass-through command is used for
Indicate that the gate control system or the barrier system limit the vehicle pass-through to be measured.
10. the system as described in any claim in claim 6-9, it is characterised in that first database and second
Database association, first database root according to second database content update data；Wherein, second database
Putting on record has the car plate match information and the number-plate number with the car plate match information Corresponding matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099971.1A CN106600968A (en) | 2016-12-01 | 2016-12-01 | License plate identification method and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099971.1A CN106600968A (en) | 2016-12-01 | 2016-12-01 | License plate identification method and system thereof |
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| CN106600968A true CN106600968A (en) | 2017-04-26 |
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| CN201611099971.1A Pending CN106600968A (en) | 2016-12-01 | 2016-12-01 | License plate identification method and system thereof |
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| CN107967445A (en) * | 2017-10-13 | 2018-04-27 | 上海眼控科技股份有限公司 | A kind of car installs the intelligent checking system and method for skylight additional |
| CN107967446A (en) * | 2017-10-13 | 2018-04-27 | 上海眼控科技股份有限公司 | A kind of intelligent checking system and method for installing engine protection device additional |
| CN108022427A (en) * | 2017-10-30 | 2018-05-11 | 深圳市赛亿科技开发有限公司 | A kind of recognition methods of fake license plate vehicle and system |
| CN108052899A (en) * | 2017-12-12 | 2018-05-18 | 成都睿码科技有限责任公司 | A kind of method that electric bicycle and motorcycle are distinguished by video |
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| CN109426796A (en) * | 2017-09-05 | 2019-03-05 | 杭州海康威视系统技术有限公司 | Detection method of license plate, apparatus and system |
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| CN110874934A (en) * | 2018-08-29 | 2020-03-10 | 北京万集科技股份有限公司 | License plate recognition method, system and device |
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