CN110070723A - The method, apparatus and system of entrance vehicle identification - Google Patents
The method, apparatus and system of entrance vehicle identification Download PDFInfo
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- CN110070723A CN110070723A CN201810066097.4A CN201810066097A CN110070723A CN 110070723 A CN110070723 A CN 110070723A CN 201810066097 A CN201810066097 A CN 201810066097A CN 110070723 A CN110070723 A CN 110070723A
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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
The present invention provides the methods of entrance vehicle identification, apparatus and system, it is related to technical field of video monitoring, wherein, the method of the entrance vehicle identification includes: that entrance is provided with phase unit, it include at least one camera in above-mentioned phase unit, when use, first, phase unit shoots entrance scene, obtain initial pictures, secondly, with the presence or absence of vehicle in the initial pictures taken by the detection of phase unit, later, when detecting that there are when vehicle in initial pictures, phase unit is to there are the initial pictures of vehicle to carry out vehicle identification, export vehicle identification result, pass through above-mentioned processing method, it avoids and needs to rely on the triggering of the peripheral hardwares such as ground induction coil or radar at entrance and can carry out the process of Car license recognition etc., it is big to efficiently solve license plate inclination angle, front and back follow the bus causes the Car license recognition problem in the case of license plate shading, It is convenient accurate.
Description
Technical field
The present invention relates to technical field of video monitoring more particularly to the method, apparatus and system of entrance vehicle identification.
Background technique
In recent years, family car is more and more, and the parking problem of vehicle more highlights.By the video of license plate recognition technology
Parking lot solution is gradually risen, using license plate recognition result as charge foundation in such scheme.Therefore, in garden and
Quickly and efficiently identify that the license plate of vehicle is very crucial at parking lot entrance.
Current commonly a kind of scheme is to rely on the peripheral hardwares such as ground induction coil or radar to be triggered, still, due to trigger bit
It is bad to set monitored vehicle angles, i.e., when garden and shorter parking lot entrance depth, automobile body can be caused to tilt,
I.e. license plate inclination angle very big (such as larger than 60 degree) cause license plate that can not identify, identify the problems such as mistake.Also, work as garden and parking lot
When the wagon flow of entrance is than comparatively dense, it may appear that front truck blocks the phenomenon that rear car, and will lead to rear car license plate in this way can not identify.Needle
For garden and parking lot, license plate, which can not identify, to be meant that and can not charge, if checking vehicle video to obtain vehicle
License plate, not only take time and effort, and influence vehicle normal pass.
In addition, having in current technology in conjunction with video camera come the technology identified to license plate, that is, pass through ground induction coil
Wagon detector detects vehicle triggering Car license recognition video camera identification, as a result sends main controller, and main controller judges unidentified rear touching
Board amended record video camera of dispatching a car carries out Car license recognition.Ground sensing coil vehicle detector triggering is relied on, can not be carried out according to vehicle location
Intelligence capture identification.License plate amended record video camera only know after Car license recognition video camera is not detected and sends main controller by control triggering
Not, the consequence done so is exactly that the time is indefinite and there are apparent contexts, can not solve the problems, such as license plate misrecognition.
To sum up, at present about needing during Car license recognition in the peripheral hardwares such as the additionally mounted ground induction coil in underground or radar and
The problem of Car license recognition blocks, the excessive misrecognition in inclination angle, there is no advantageous solution.
Summary of the invention
In view of this, the method, apparatus and system for being designed to provide entrance vehicle identification of the embodiment of the present invention,
By setting phase unit etc., the complicated processes of the additional installation peripheral hardwares such as ground induction coil or radar are eliminated, Car license recognition is improved
Efficiency.
In a first aspect, entrance is provided with phase unit the embodiment of the invention provides the method for entrance vehicle identification,
Phase unit includes at least one camera, and method includes:
Phase unit shoots entrance scene, obtains initial pictures；
Phase unit, which detects, whether there is vehicle in initial pictures；
When detecting in initial pictures there are when vehicle, phase unit to there are the initial pictures of vehicle to carry out vehicle identification,
Export vehicle identification result.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein phase
Unit includes main phase machine and from camera；
Before exporting vehicle identification result, method further include:
Obtain vehicle identification information, vehicle identification information include the first vehicle identification information recognized by main phase machine and from
The second vehicle identification information that camera recognizes, method further include:
First vehicle identification information and the second vehicle identification information are compared and analyzed, vehicle identification result is obtained.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein method further include:
When Entry-exit road is straight way, main phase machine and the same side that road is set from camera, wherein main phase machine with from
The setting height of camera is different；
When Entry-exit road is bend, main phase machine and the two sides that road is separately positioned on from camera.
The possible embodiment of with reference to first aspect or with reference to first aspect the first, the embodiment of the invention provides
The third possible embodiment of first aspect, wherein when detecting that phase unit is to presence there are when vehicle in initial pictures
The initial pictures of vehicle carry out vehicle identification, export vehicle identification result, comprising:
Phase unit is to there are the initial pictures of vehicle to carry out Car license recognition and/or vehicle characteristics extraction；
If identifying license board information, phase unit is using license board information or vehicle characteristics as vehicle identification result；
If unidentified license board information out, phase unit extract vehicle characteristics, and using vehicle characteristics as vehicle identification result.
The third possible embodiment with reference to first aspect, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, wherein if identifying license board information, vehicle identification information further includes being set by the calculated license plate of phase unit
Reliability；
License plate confidence level includes license plate entirety confidence level and/or single character confidence level.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the 5th kind of first aspect
Possible embodiment, wherein the first vehicle identification information and the second vehicle identification information are compared and analyzed, vehicle is exported
Recognition result, comprising:
Compare the first license plate entirety confidence level C1 and the second license plate entirety confidence level calculated from camera that main phase machine calculates
C2；
When comparing result is equal, the first license board information of output main phase machine identification or the second vehicle identified from camera
Board information, as vehicle identification result；
When comparing result is unequal, and, the first license plate result confidence level C1 or the second license plate result confidence level C2
In any one numerical value be greater than first threshold when, output numerical value be greater than first threshold the first license plate entirety confidence level C1 it is corresponding
First license board information or corresponding second license board information of the second license plate entirety confidence level C2, as vehicle identification result；
When comparing result is unequal, and, the first license plate entirety confidence level C1 and the second license plate entirety confidence level C2 are equal
When greater than second threshold, corresponding first license board information of the higher first license plate entirety confidence level C1 of output numerical value or the second vehicle
Corresponding second license board information of board entirety confidence level C2, as vehicle identification result；
When comparing result is unequal, and, the first license plate entirety confidence level C1 and the second license plate entirety confidence level C2 are big
In third threshold value, when being less than or equal to second threshold, the variance of the first monocase confidence level of main phase machine is compared and from camera
The size of the variance of collected second monocase confidence level is corresponded in corresponding first license board information of main phase machine or from camera
The second license board information in take the lesser output of variance, as vehicle identification result；
When comparing result is unequal, and, the first license plate entirety confidence level C1 and the second license plate entirety confidence level C2 are equal
When less than third threshold value, the first vehicle characteristics of comparison main phase machine identification and the second vehicle characteristics identified from camera, by first
Identical part output in vehicle characteristics and the second vehicle characteristics, as vehicle identification result.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the 6th kind of first aspect
Possible embodiment, wherein method further include:
When only one in the first vehicle identification information and the second vehicle identification information is identified to, and, it is unrecognized to arrive
The corresponding camera of vehicle identification information recognition time exceed preset time when, according to the first vehicle identification being identified to
Information or the second vehicle identification information export vehicle identification result.
Second aspect, the embodiment of the invention provides the devices of entrance vehicle identification, comprising:
Image capture module shoots entrance scene for phase unit, obtains initial pictures；
Information of vehicles detection module, for whether there is vehicle in phase unit detection initial pictures；
Car license recognition module, for when detecting that phase unit is to there are the initial of vehicle there are when vehicle in initial pictures
Image carries out vehicle identification, exports vehicle identification result.
The third aspect, the embodiment of the invention provides the systems of entrance vehicle identification, comprising: Accounting Client, banister,
The device of display screen and entrance vehicle identification；
The device of entrance vehicle identification is connected with Accounting Client, banister and display screen respectively, and, display screen and charging
Client is connected；
Banister is known in the first vehicle identification information of the device output for receiving entrance vehicle identification or the second vehicle
It is lifted after other information；
Accounting Client calculates the first vehicle identification information that entrance exports or the second vehicle identification information and exports defeated
The time interval between the first vehicle identification information or the second vehicle identification information out, and according to time interval and default list
Valence calculates Parking Fee；
Display screen is used to show the first vehicle identification information, the second vehicle identification information and Parking Fee.
Fourth aspect, the embodiment of the present invention also provide a kind of terminal, including memory and processor, and memory is for depositing
Storage supports processor to execute the program of the method for the entrance vehicle identification that above-mentioned aspect provides, and processor is configurable for holding
The program stored in line storage.
The method, apparatus and system of entrance vehicle identification provided in an embodiment of the present invention, wherein the entrance vehicle is known
Method for distinguishing include: entrance is provided with phase unit, also, in phase unit include at least one camera, in use,
Firstly, phase unit shoots entrance scene, i.e., entrance scene is monitored in real time by phase unit, is obtained so just
Beginning image detects whether inlet is in need by phase unit secondly, whether there is vehicle in phase unit detection initial pictures
Carry out the vehicle of Car license recognition, later, when detect in initial pictures there are when vehicle, that is, show to have vehicle by entrance
Place, phase unit export vehicle identification as a result, vehicle identification information is mainly wrapped to there are the initial pictures of vehicle to carry out vehicle identification
License board information and/or vehicle characteristics are included, and then realize the accurate acquisition of information of vehicles, and have further ensured related place root
The purpose charged according to license plate, it is convenient and efficient.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the first pass figure of the method for entrance vehicle identification provided by the embodiment of the present invention；
Fig. 2 shows the structural framing figures of the method for entrance vehicle identification provided by the embodiment of the present invention；
Fig. 3 shows the structure connection figure of the method for entrance vehicle identification provided by the embodiment of the present invention；
Fig. 4 shows the structure connection figure of the device of entrance vehicle identification provided by the embodiment of the present invention.
Icon: 1- image capture module；2- information of vehicles detection module；3- Car license recognition module.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled 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.
Currently, the parking problem of vehicle more highlights.By license plate recognition technology video parking lot solution gradually
It rises, license plate recognition result is only used in such scheme as charge foundation.When garden and parking lot entrance depth are shorter
When, automobile body can be caused to tilt, i.e., license plate inclination angle causes greatly license plate that can not identify, identify the problems such as mistake very much.Rely on ground sense
Coil vehicle detector triggering can not carry out intelligence capture identification according to vehicle location.License plate amended record video camera is only known in license plate
Other video camera is not detected send main controller after control triggering identification, the consequence done so be exactly the time it is indefinite and exist apparent
Context can not solve the problems, such as that license plate misidentifies, also, need to feel with installing in advance at entrance before Car license recognition
Coil or radar etc. rely on the peripheral hardwares such as ground induction coil or radar later and are triggered to know whether there is vehicle warp at entrance
It crosses.
Based on this, the embodiment of the invention provides the method, apparatus of entrance vehicle identification and systems, below by implementation
Example is described.
Embodiment 1
Referring to figure 1, figure 2 and figure 3, the method for the entrance vehicle identification that the present embodiment proposes is specifically included in entrance and sets
It is equipped with phase unit, includes at least one camera in phase unit, the method for the entrance vehicle identification includes:
Step S101: phase unit shoots entrance scene, obtains initial pictures, needs to be illustrated, just
Practical beginning image is the yuv data for acquiring image, i.e., without the primary data of coding.Due in underground parking and garden
Deng entrance at, the disengaging time of vehicle be it is uncertain, therefore, it is necessary to the phase units by entrance is arranged in entrance
Scene carry out captured in real-time, to avoid omit by vehicle, obtain multiple initial pictures in this way.
Step S102: phase unit, which detects, whether there is vehicle in initial pictures, in order to further check at entrance whether
There is vehicle process, phase unit, which detects, whether there is vehicle in initial pictures.When detect not there is vehicle in initial pictures when,
Illustrate that inlet does not have vehicle process, no longer needs to handle the initial pictures taken in this case.
Step S103: when detecting there are when vehicle, illustrating that there is vehicle process in inlet in initial pictures, in such case
Under, phase unit to there are the initial pictures of vehicle to carry out vehicle identification, output vehicle identification as a result, in the specific implementation process,
Vehicle identification result is usually the license board information or vehicle characteristics of vehicle, i.e., by license board information or vehicle characteristics come to vehicle into
Row identification and label.
It is explained in further detail below, as one embodiment of the technical program, if only including one in phase unit
A camera, camera is first to there are the initial pictures of vehicle to carry out Car license recognition, if identifying license board information, phase unit is by license plate
Information is as vehicle identification as a result, being uploaded to Accounting Client；If unidentified license board information out, phase unit is to there are the first of vehicle
Beginning image carries out vehicle characteristics extraction, for example, vehicle, color, logo etc., and using vehicle characteristics as vehicle identification as a result, on
Reach Accounting Client.
As another embodiment of the technical program, if only including a camera in phase unit, camera is first to presence
The initial pictures of vehicle carry out Car license recognition and calculate license plate confidence level, the license plate confidence level packet if identifying license board information
License plate entirety confidence level or monocase confidence level are included, when license plate entirety confidence level is set more than or equal to the first preset value or monocase
When the variance of reliability is less than the second preset value, phase unit is using license board information as vehicle identification as a result, being uploaded to Accounting Client；
When license plate entirety confidence level is more than or equal to the second preset value less than the variance of the first preset value or monocase confidence level, camera
Group is to there are the initial pictures of vehicle to carry out vehicle characteristics extraction, for example, vehicle, color, logo etc., and using vehicle characteristics as
Vehicle identification is as a result, be uploaded to Accounting Client；If it is unidentified go out license board information, phase unit to there are the initial pictures of vehicle into
Driving feature extraction, for example, vehicle, color, logo etc., and using vehicle characteristics as vehicle identification as a result, being uploaded to charging
Client.
Technical solution in above embodiments can carry out the intelligence capture identification of vehicle according to vehicle location, without relying on
The triggering of the peripheral hardwares such as ground sensing coil vehicle detector, also, when vehicle is without license plate or too low license plate confidence level, using vehicle, face
The vehicle characteristics such as color, logo are identified and are marked, and vehicle identification accuracy rate is effectively improved.
In the specific implementation process, above-mentioned phase unit may include main phase machine and from camera, by main phase machine and from camera
Double set, can effectively solve the problem that license plate inclination angle is big, front and back follow the bus can not acquire the problem for recognizing license plate etc., in the discrepancy
In the method for mouth vehicle identification, before exporting vehicle identification result, the above method further include:
Step S104: obtaining vehicle identification information, and vehicle identification information includes that the first vehicle recognized by main phase machine is known
Other information and the second vehicle identification information recognized from camera；
Step S105: above-mentioned first vehicle identification information and above-mentioned second vehicle identification information are compared and analyzed, obtained
Obtain vehicle identification result.
First vehicle identification information and the second vehicle identification information are compared and analyzed, obtain vehicle identification as a result, tool
Body, in design process of hardware, main phase machine and configuration from camera can be identical, i.e. main phase machine and all include built-in from camera
Processor, in this case, the initial pictures that main phase machine takes can be transmitted to from camera, as from the processing built in camera
Device compares and analyzes the first vehicle identification information and the second vehicle identification information, certainly, the initial graph taken from camera
As main phase machine can be transmitted to, the first vehicle identification information and the second vehicle identification information are carried out as the processor built in main phase machine
Comparative analysis；Main phase machine and configuration from camera can also be different, i.e. main phase machine or include built-in processor from camera,
In this case, the initial pictures that main phase machine (either from camera) takes can be transmitted to from camera (or main phase machine), by
The first vehicle identification information and the second vehicle identification information are compared point from the processor built in camera (or main phase machine)
Analysis；Main phase machine and from camera can also not include built-in processor, in this case, main phase machine and from camera all and newly
The independent processor increased is connected, and main phase machine and the initial pictures taken from camera are all transmitted to independent processor, by independence
Processor the first vehicle identification information and the second vehicle identification information are compared and analyzed.
In addition, the method for entrance vehicle identification further include:
(1) when Entry-exit road is straight way, what is blocked before and after being easy to appear vehicle when Entry-exit road is straight way is asked
Topic, in this case, main phase machine and the same side that road is set from camera, also, main phase machine and the setting from camera are high
Degree is different, to carry out the identification at different height to vehicle, it is preferred that main phase machine and from the horizontal interval between camera be 2 meters,
To realize the purpose detected in synchronization to vehicle different location.In addition, that arrives camera itself in order to balance blocks pass
System, is adjusted to 1.5 meters for the height of main phase machine, is adjusted to 1 meter from the height of camera, realizes license board information at different height position
Acquisition.Need to be illustrated, main phase machine and from the position of camera setting can flexibly be set according to usage scenario.
(2) when Entry-exit road is bend, in Entry-exit road, to be easy to appear when bend, vehicle inclination angle is excessive to be asked
Topic, in this case, main phase machine and the two sides that road is separately positioned on from camera.Preferably, the height of main phase machine is adjusted
To 1 meter, 1 meter is adjusted to from the height of camera, i.e., main phase machine and is oppositely arranged from camera, so as to which it is excessive to collect inclination angle
License plate.It needs to be illustrated, main phase machine and the position from camera can flexibly be set with height setting according to usage scenario
It is fixed.
When detecting that phase unit is to there are the initial pictures of vehicle there are when vehicle in initial pictures in above-mentioned steps S104
Vehicle identification is carried out, vehicle identification information is obtained, specifically includes:
Phase unit to there are the initial pictures of vehicle carry out Car license recognition,
If phase unit identifies license board information, phase unit is using license board information as vehicle identification information.
If unidentified license board information out, phase unit extract vehicle characteristics, and using vehicle characteristics as vehicle identification information, example
Such as, the vehicle characteristics such as vehicle, color, logo are as vehicle identification information.
If identifying license board information, vehicle identification information further includes by the calculated license plate confidence level of phase unit, and license plate is set
Reliability includes license plate entirety confidence level and single character confidence level.
Main phase machine calculates the first license plate entirety confidence level C1 of the first vehicle identification information, calculates the second vehicle from camera and knows
Second license plate entirety confidence level C2 of other information, what needs to be explained here is that, unlike the prior art, main phase machine and from camera point
The other license plate entirety confidence level to vehicle is acquired and compares.
Preferably, if identifying license board information, by above-mentioned first vehicle identification information and above-mentioned second vehicle in step 105
Identification information compares and analyzes, and obtains vehicle identification as a result, specifically including:
The first license plate entirety confidence level C1 and the second license plate entirety confidence level C2 are compared, to check main phase machine and adopt from camera
Whether the numerical value of the license plate entirety confidence level of the same vehicle collected is equal.
When comparing result is equal, that is, it is determined as main phase machine and has collected the license board information of vehicle from camera,
In this case, the first license board information of output main phase machine identification or second license board information identified from camera, as
Vehicle identification is as a result, i.e. can be with using the first license board information or the second license board information as vehicle identification result.
When comparing result is unequal, also, the first license plate entirety confidence level C1 or the second license plate entirety confidence level
When any one numerical value in C2 is greater than first threshold, output numerical value is greater than the first license plate entirety confidence level C1 first of first threshold
License board information or corresponding second license board information of the second license plate entirety confidence level C2, as vehicle identification as a result, in reality
During applying, preferably the size of first threshold is 95%.There is illustrated in the unequal situation of comparing result, in C1 or C2
Have one be greater than 95% when, export its corresponding collected license board information of camera, due to, confidence value is higher, therefore,
Even if comparing result be it is unequal, confidence level corresponding license board information of the output greater than 95% can get accurate license plate letter
Breath.The size of first threshold according to circumstances can flexibly be set.
When comparing result is unequal, and, the first license plate entirety confidence level C1 and the second license plate entirety confidence level C2 are equal
When greater than second threshold, corresponding first license board information of the higher first license plate entirety confidence level C1 of output numerical value or institute
Corresponding second license board information of the second license plate entirety confidence level C2 is stated, as vehicle identification as a result, there is illustrated comparing results
In unequal situation, when C1 and C2 are all larger than second threshold, the corresponding license plate letter of the biggish confidence level of numerical value in C1 and C2 is taken
Breath can get accurate license board information.In implementation process, preferably the size of second threshold is 80%.
When comparing result is unequal, also, the first license plate entirety confidence level C1 and the second license plate result confidence level C2
Greater than third threshold value, when being less than or equal to second threshold, the variance of the first monocase confidence level of main phase machine is compared and from phase
The size of the variance of the collected second monocase confidence level of machine, in corresponding first license board information of main phase machine or from phase
The lesser output of variance is taken in corresponding second license board information of machine, as vehicle identification as a result, in implementation process, preferably
, the size of third threshold value is 60%.Believe in corresponding first license board information of main phase machine or from corresponding second license plate of camera
The lesser output of variance is taken in breath, there is illustrated in the unequal situation of comparing result, C1 and C2 are in 60% to 80%
Between when, variance is calculated separately according to the monocase confidence level that each camera obtains, the variance of monocase confidence level compared with
Small license board information is as output, by combining the calculating of variance, specifically, the calculation formula of variance isOrAccurate vehicle can effectively be filtered out
Board information.
When comparing result is unequal, also, the first license plate entirety confidence level C1 and the second license plate entirety confidence level C2
Respectively less than third threshold value when, the first vehicle characteristics and second vehicle identified from camera for comparing main phase machine identification are special
Sign exports the identical part in first vehicle characteristics and second vehicle characteristics, as vehicle identification result.This
In illustrate in the unequal situation of comparing result, in the case that C1 and C2 are smaller, in order to export more accurately license plate
Information can pass through vehicle, face using the identical part such as vehicle, color included in license board information, logo as output in this way
Color, logo etc. identify vehicle.
Preferably, if unidentified license board information out, step 105 are specific further include:
The first vehicle characteristics and second vehicle characteristics identified from camera for comparing the main phase machine identification, will be described
Identical part output in first vehicle characteristics and second vehicle characteristics, as vehicle identification result.
In addition, the method for entrance vehicle identification further include: when the first vehicle identification information and the second vehicle identification information
In only one be identified to, also, the recognition time of the unidentified camera to vehicle identification information exceed preset time when, root
According to first vehicle identification information or second vehicle identification information being identified to, vehicle identification result is exported.
I.e. main phase machine or only one camera has collected vehicle identification information from camera and another does not collect vehicle identification
The camera of information has exceeded preset time, needs exist for being illustrated, and preset time is the acquisition of pre-set camera
Time to peak exports collected first vehicle identification information or vehicle identification information, and in this case, directly basis is adopted
The vehicle identification information output vehicle identification result collected.
In conclusion the method for entrance vehicle identification provided in this embodiment includes: that entrance is provided with phase unit,
It needs to be illustrated, phase unit includes at least one camera, in use, firstly, phase unit is to entrance scene
It is shot, obtains initial pictures, secondly, whether there is vehicle in phase unit detection initial pictures, it is later, initial when detecting
There are when vehicle in image, phase unit exports vehicle identification as a result, passing through to there are the initial pictures of vehicle to carry out vehicle identification
Above-mentioned treatment process eliminates the complicated processes that ground induction coil and radar are arranged at entrance, realizes double camera to license plate
It is identified while information, and combines the comparison of confidence level, realize effective identification to vehicle, it is convenient accurate.
Embodiment 2
Referring to fig. 4, the device for present embodiments providing entrance vehicle identification includes: image capture module 1, is used for camera
Group shoots entrance scene, obtains initial pictures, and information of vehicles detection module 2 detects initial pictures for phase unit
In whether there is vehicle, Car license recognition module 3, for when detecting that phase unit is to there are vehicles there are when vehicle in initial pictures
Initial pictures carry out vehicle identification, export vehicle identification result.
The device of entrance vehicle identification provided in an embodiment of the present invention is known with entrance vehicle provided by the above embodiment
Method for distinguishing technical characteristic having the same reaches identical technical effect so also can solve identical technical problem.
Embodiment 3
The system for present embodiments providing entrance vehicle identification includes: Accounting Client, banister, display screen and entrance
The device of vehicle identification, within the system, the device of entrance vehicle identification respectively with Accounting Client, banister and display screen phase
Even, when it is implemented, it is common, it is connected between the device and banister of entrance vehicle identification by switching value or 485 lines, and
And display screen is connected with Accounting Client, in use, banister is in the device output for receiving entrance vehicle identification
It is lifted after first vehicle identification result or the second vehicle identification result, so that the vehicle that will be stopped drives into, Accounting Client
Calculate the first vehicle identification result of entrance output or the first vehicle identification knot of the second vehicle identification result and outlet output
Time interval of the fruit perhaps between the second vehicle identification result calculates the first vehicle identification result or the second vehicle identification
As a result down time of corresponding vehicle, and Parking Fee is calculated according to time interval and default unit price, later by display screen Lai
The first vehicle identification result, the second vehicle identification result and Parking Fee are shown, to conveniently realize related parking
It the calculating of expense and collects.
In conclusion the system of entrance vehicle identification provided in this embodiment includes: Accounting Client, banister, display
Screen and entrance vehicle identification device, in the present system the device of entrance vehicle identification respectively with Accounting Client, banister
It is connected with display screen, also, display screen is connected with Accounting Client, is that banister is receiving discrepancy first in use
It is lifted after the first vehicle identification result or the second vehicle identification result of the device output of mouth vehicle identification, later, charging visitor
Family end calculates the first vehicle identification result of entrance output or the second vehicle identification result is known with the first vehicle that outlet exports
Time interval between other result or the second vehicle identification result, and parking fee is calculated according to time interval and default unit price
With, and the first vehicle identification result, the second vehicle identification result and Parking Fee are shown by display screen, by above-mentioned processed
Journey easily realizes the Car license recognition to vehicle, expense is calculated and shown etc., convenient and efficient.
The embodiment of the invention also provides a kind of terminal, including memory and processor, memory is supported for storing
Processor executes the program of above-described embodiment method, and processor is configurable for executing the program stored in memory.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, when computer program is run by processor the step of the method for execution any of the above-described.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
The technology of the method, apparatus and system of entrance vehicle identification provided by the embodiment of the present invention, realization principle and generation is imitated
Fruit is identical with preceding method embodiment, and to briefly describe, Installation practice part does not refer to place, can refer to preceding method implementation
Corresponding contents in example.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and block diagram in attached drawing
Show the device of multiple embodiments according to the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code
Part, a part of the module, section or code, which includes that one or more is for implementing the specified logical function, to be held
Row instruction.It should also be noted that function marked in the box can also be to be different from some implementations as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that every in block diagram and or flow chart
The combination of box in a box and block diagram and or flow chart can use the dedicated base for executing defined function or movement
It realizes, or can realize using a combination of dedicated hardware and computer instructions in the system of hardware.
In addition, each functional module or unit in each embodiment of the present invention can integrate one independence of formation together
Part, be also possible to modules individualism, an independent portion can also be integrated to form with two or more modules
Point.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence, indication or suggestion relative importance can not be interpreted as.Moreover, term " packet
Include ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion so that including the mistake of a series of elements
Journey, method, article or equipment not only include those elements, but also including other elements that are not explicitly listed, either
It further include for elements inherent to such a process, method, article, or device.In the absence of more restrictions, by sentence
The element that "including a ..." limits, it is not excluded that also deposit in the process, method, article or apparatus that includes the element
In other identical element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of entrance vehicle identification method, which is characterized in that entrance is provided with phase unit, the phase unit includes extremely
A few camera, which comprises
The phase unit shoots entrance scene, obtains initial pictures；
The phase unit, which detects, whether there is vehicle in the initial pictures；
When detecting in the initial pictures there are when vehicle, the phase unit is to there are the initial pictures of vehicle to carry out vehicle knowledge
Not, vehicle identification result is exported.
2. entrance vehicle identification method according to claim 1, which is characterized in that the phase unit include main phase machine and
From camera；
Before the output vehicle identification result, the method also includes:
Vehicle identification information is obtained, the vehicle identification information includes the first vehicle identification information recognized by the main phase machine
With second vehicle identification information recognized from camera；
First vehicle identification information and second vehicle identification information are compared and analyzed, vehicle identification knot is obtained
Fruit.
3. entrance vehicle identification method according to claim 2, which is characterized in that the method also includes:
When Entry-exit road is straight way, the main phase machine and described the same side that road is set from camera, wherein the master
Camera is different from the setting height from camera；
When Entry-exit road is bend, the main phase machine and the two sides that road is separately positioned on from camera.
4. entrance vehicle identification method according to claim 1 or 2, which is characterized in that described described first when detecting
There are when vehicle in beginning image, the phase unit exports vehicle identification knot to there are the initial pictures of vehicle to carry out vehicle identification
Fruit, comprising:
The phase unit is to there are the initial pictures of vehicle to carry out Car license recognition and/or vehicle characteristics extraction；
If identifying license board information, the phase unit is using the license board information or vehicle characteristics as vehicle identification result；
If unidentified license board information out, the phase unit is using the vehicle characteristics as vehicle identification result.
5. entrance vehicle identification method according to claim 4, which is characterized in that described if identifying license board information
Vehicle identification information further includes by the calculated license plate confidence level of the phase unit；
The license plate confidence level includes license plate entirety confidence level and/or monocase confidence level.
6. entrance vehicle identification method according to claim 2, which is characterized in that described by first vehicle identification
Information is compared and analyzed with second vehicle identification information, exports vehicle identification result, comprising:
The the first license plate entirety confidence level C1 and second license plate calculated from camera for comparing the main phase machine calculating are integrally set
Reliability C2；
When comparing result is equal, export main phase machine identification the first license board information or the identified from camera
Two license board informations, as vehicle identification result；
When comparing result is unequal, and, the first license plate result confidence level C1 or the second license plate result confidence
When any one numerical value spent in C2 is greater than first threshold, output numerical value is greater than the first license plate entirety confidence level of first threshold
Corresponding first license board information of C1 or corresponding second license board information of the second license plate entirety confidence level C2 are known as vehicle
Other result；
When comparing result is unequal, and, the first license plate entirety confidence level C1 and the second license plate entirety confidence level
When C2 is all larger than second threshold, corresponding first license board information of the higher first license plate entirety confidence level C1 of output numerical value or
Corresponding second license board information of second license plate entirety confidence level C2 described in person, as vehicle identification result；
When comparing result is unequal, and, the first license plate entirety confidence level C1 and the second license plate entirety confidence level
C2 be greater than third threshold value, be less than or equal to second threshold when, compare main phase machine the first monocase confidence level variance and from
The size of the variance of the collected second monocase confidence level of camera, corresponding first license board information of main phase machine or from
The lesser output of variance is taken in corresponding second license board information of camera, as vehicle identification result；
When comparing result is unequal, and, the first license plate entirety confidence level C1 and the second license plate entirety confidence level
When C2 is respectively less than third threshold value, the first vehicle characteristics and second vehicle identified from camera of the main phase machine identification are compared
Feature exports the identical part in first vehicle characteristics and second vehicle characteristics, as vehicle identification result.
7. entrance vehicle identification method according to claim 2, which is characterized in that the method also includes:
When only one in first vehicle identification information and second vehicle identification information is identified to, and, it is unidentified
To vehicle identification information camera recognition time exceed preset time when, according to first vehicle identification being identified to
Information or second vehicle identification information export vehicle identification result.
8. a kind of device of entrance vehicle identification characterized by comprising
Image capture module shoots entrance scene for phase unit, obtains initial pictures；
Information of vehicles detection module, detecting for the phase unit whether there is vehicle in the initial pictures；
Car license recognition module, for when detecting that the phase unit is to there are vehicles there are when vehicle in the initial pictures
Initial pictures carry out vehicle identification, export vehicle identification result.
9. a kind of system of entrance vehicle identification characterized by comprising Accounting Client, banister, display screen and entrance
The device of vehicle identification；
The device of the entrance vehicle identification is connected with the Accounting Client, the banister and the display screen respectively, and,
The display screen is connected with the Accounting Client；
First vehicle identification information or second vehicle of the banister in the device output for receiving the entrance vehicle identification
It is lifted after identification information；
The Accounting Client calculates the first vehicle identification information that entrance exports or the second vehicle identification information and exports defeated
The time interval between the first vehicle identification information or the second vehicle identification information out, and according to the time interval and in advance
If unit price calculates Parking Fee；
The display screen is used to show first vehicle identification information, second vehicle identification information and the parking fee
With.
10. a kind of terminal, which is characterized in that including memory and processor, the memory supports processor for storing
Perform claim requires the program of any one of 1 to 6 the method, the processor is configured to depositing in the memory for executing
The program of storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066097.4A CN110070723A (en) | 2018-01-23 | 2018-01-23 | The method, apparatus and system of entrance vehicle identification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066097.4A CN110070723A (en) | 2018-01-23 | 2018-01-23 | The method, apparatus and system of entrance vehicle identification |
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| Publication Number | Publication Date |
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| CN110070723A true CN110070723A (en) | 2019-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810066097.4A Pending CN110070723A (en) | 2018-01-23 | 2018-01-23 | The method, apparatus and system of entrance vehicle identification |
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| CN110443221A (en) * | 2019-08-14 | 2019-11-12 | 上海世茂物联网科技有限公司 | A kind of licence plate recognition method and system |
| CN111062313A (en) * | 2019-12-13 | 2020-04-24 | 歌尔股份有限公司 | Image identification method, image identification device, monitoring system and storage medium |
| CN111652203A (en) * | 2020-06-01 | 2020-09-11 | 北京字节跳动网络技术有限公司 | Resource pushing method and device |
| CN112581749A (en) * | 2019-09-12 | 2021-03-30 | 阿里巴巴集团控股有限公司 | Method, system and device for obtaining vehicle resource occupation information and electronic equipment |
| CN114155619A (en) * | 2021-12-09 | 2022-03-08 | 济南博观智能科技有限公司 | Method, device, medium and system for automatically monitoring parking space |
| CN114596643A (en) * | 2020-12-07 | 2022-06-07 | 腾讯云计算(长沙)有限责任公司 | Parking management method, parking management device and storage medium |
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