CN108932776A - A kind of two dimensional code access control system and operation method based on face characteristic value - Google Patents
A kind of two dimensional code access control system and operation method based on face characteristic value Download PDFInfo
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- CN108932776A CN108932776A CN201810758718.5A CN201810758718A CN108932776A CN 108932776 A CN108932776 A CN 108932776A CN 201810758718 A CN201810758718 A CN 201810758718A CN 108932776 A CN108932776 A CN 108932776A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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Abstract
The invention discloses a kind of two dimensional code access control system and operation method based on face characteristic value.System includes user terminal and sequentially connected image capture device, front end recognition processing equipment and background server.System operation method are as follows: user sends two dimensional code registration request to background server by user terminal；Background server sends gate inhibition's two dimensional code to user terminal according to the request；Image capture device acquires user's facial image and gate inhibition's image in 2 D code；Front end recognition processing equipment extracts the face characteristic information of facial image, and the face characteristic information that parsing gate inhibition's image in 2 D code includes compares the similarity of the two, and background server verifies the validity of gate inhibition's two dimensional code；Meet condition in similarity, and after gate inhibition's two dimensional code validation verification passes through, controls opening gate.The information that the design can be provided based on user verifies the legitimacy of two dimensional code user, and the legitimacy of used two dimensional code, and then carries out safety management to access control.
Description
Technical field
The present invention relates to the access control field based on bio-identification, especially a kind of two dimensional code based on face characteristic value
Access control system and operation method.
Background technique
Two dimensional code gate inhibition is to follow intelligent mobile phone terminal, the development of computer networking technology and technology of Internet of things and it is emerging
The novel access control applications technology of the one kind risen.Two dimensional code, i.e. QR Code (Quick Response Code), be one in recent years
Come on the mobile apparatus using a kind of very wide coding mode, it can deposit more letters than traditional bar code (Bar Code)
Breath, can also indicate more data types, such as: character, number, Chinese etc..Due to the generation of two dimensional code, cost of manufacture
Low, convenience is good, gradually has obtained comparing in access control system and is widely applied.
Common two dimensional code access control system, the production including two dimensional code, two dimensional code control, two dimensional code is read and gate inhibition
Control, there is now many technical descriptions, such as:
A kind of intelligent two dimensional code open-door system of patent CN201521031532.8, using background server, wechat public service is flat
Platform, intelligent terminal, access control system come realize two dimensional code open the door.
A kind of access control system based on two dimensional code of patent CN201510433915.6, including mobile terminal, gate inhibition's two dimensional code,
System server and access control, wherein by network connection, mobile terminal passes through two dimensional code for access control and system server
It scans to system server and issues disengaging request, system server triggers access control by two dimensional code check results.
Currently, in two dimensional code access control system, two dimensional code for example is used according to the enabling information of user (including gate inhibition visitor)
Family name, telephone number, address, ID card information, it is contemplated that disengaging time, the information such as term of validity generate and are handed down to use
What family used.It has the following problems: being only capable of whether effectively verifying two dimensional code, the user of two dimensional code can not be carried out
Verifying: two dimensional code may be forwarded or usurp, final two dimensional code using user identity become not can recognize with it is uncontrollable；Two dimension
Code may be stolen before not applying for that resetting is invalid by because of reasons such as loss, be that place environment brings security risk.
Summary of the invention
Goal of the invention of the invention is: in view of the above problems, providing a kind of two dimension based on face characteristic value
Code access control system and its operation method.With realize simultaneously to the holder of the two dimensional code of entry/exit gate inhibition and the two dimensional code into
Row double verification solves two dimensional code present in existing access control system and is arbitrarily forwarded, usurped, can not hold to two dimensional code
The problem of person's identity legitimacy is verified.
The technical solution adopted by the invention is as follows:
A kind of two dimensional code access control system based on face characteristic value, including user terminal and sequentially connected Image Acquisition are set
Standby, front end recognition processing equipment and background server；Wherein:
User terminal is used to send two dimensional code registration request to background server, and receives gate inhibition's two dimension of background server transmission
Code, gate inhibition's two dimensional code carry the face characteristic information of user；
Image capture device is used to acquire the gate inhibition's image in 2 D code and use that user provides respectively when user requests opening gate
The facial image at family；
Background server is used for according to the two dimensional code registration request, sends corresponding gate inhibition's two dimensional code to user terminal；Also use
It is identified in verifying front end recognition processing equipment: the validity for gate inhibition's two dimensional code that user provides；
Front end recognition processing equipment is used for the facial image obtained according to image capture device, and the face for extracting relative users is special
Reference breath；Also according to gate inhibition's image in 2 D code of image capture device acquisition, gate inhibition's two dimensional code that user provides is identified, parsing
The face characteristic information that gate inhibition's two dimensional code includes out；Also compare the corresponding face characteristic information of the user and gate inhibition's two dimensional code
The similarity for the face information for including；Also meet preset condition in the similarity, and the background server verifies gate inhibition two
When dimension code validity passes through, opening gate is controlled.
The operation method of the above-mentioned two dimensional code access control system based on face characteristic value, comprising the following steps:
User sends two dimensional code registration request by user terminal, to background server；
The two dimensional code registration request that background server is sent according to user terminal sends gate inhibition's two dimensional code, the door to user terminal
Prohibit the face characteristic information that two dimensional code includes user；
For user when requesting opening gate, image capture device acquires the facial image of user and gate inhibition's two dimensional code of user's offer
Image；
Front end recognition processing equipment extracts the face characteristic information of image capture device facial image collected, according to gate inhibition two
Code image is tieed up, identifies gate inhibition's two dimensional code that user provides, and parse the face characteristic information that gate inhibition's two dimensional code is included；
Front end recognition processing equipment compares the face characteristic information extracted from facial image and the people parsed from gate inhibition's two dimensional code
Whether the similarity of face characteristic information meets preset condition；Whether gate inhibition's two dimensional code that background server verifying user provides has
Effect；
Front end recognition processing equipment meets preset condition in the similarity, and verifies the gate inhibition two in the background server
When dimension code is effective, opening gate is controlled.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, the solution of the present invention both ensure that the convenience by gate inhibition's two dimensional code opening gate, while by gate inhibition's two dimension
The double verification of code and holder, evade from source, solve the forwarding of user's two-dimensional barcode information use it is caused uncontrollable
Property and the stolen equal caused user of two-dimensional barcode information and the inconsistent drawback problem of owner.Greatly improve two dimension
The safety that code barcode scanning is opened the door.
2, the gate inhibition's two dimensional code generated based on face characteristic information, its own can be used as judging whether user is to hold
Person, i.e., by directly comparing the face characteristic information of the decoded information of gate inhibition's two dimensional code and the face extraction of user
Judgement.Compared to traditional by prestoring face characteristic information, further when user requests opening gate, by the user of shooting
The scheme that the face characteristic information of face and the face characteristic information prestored compare, firstly, it needs huge database
Support, secondly, it needs judging whether user is legitimate user for the face characteristic information user bound personal information prestored
When, whether the face characteristic information for needing to retrieve the user binds legal userspersonal information, i.e., searches in the database
With the presence or absence of userspersonal information corresponding to the face characteristic information, process is many and diverse, and operation meets weight, and database is needed to protect
Never delay machine is demonstrate,proved, and the database maintenance stage program is unable to operate normally.Contrastingly, this programme passes through directly on the door
Prohibit two dimensional code and user's face compares, data source is not necessarily to prestored user information both from user, i.e., without relying on data
Library support can reach verification the verifying results, simplified system structure and verifying process, reduces system operations amount, avoids database retrieval
Error leads to the risk of validation failure.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is the structural map of two dimensional code access control system.
Fig. 2 is the job analysis figure of two dimensional code access control system.
Fig. 3 is one embodiment that background server generates gate inhibition's two dimensional code.
Fig. 4 is another embodiment that background server generates gate inhibition's two dimensional code.
Fig. 5 is one embodiment of systems process user opening gate application process.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract), unless specifically stated,
It is replaced by other equivalent or with similar purpose alternative features.That is, unless specifically stated, each feature is a series of
An example in equivalent or similar characteristics.
Face characteristic extracts, and also referred to as face characterizes, it is the process that feature modeling is carried out to face, in general, face is special
Levy extract method can use Knowledge based engineering characterizing method, according to the shape description of human face and between them away from
Obtain the characteristic for facilitating face classification from characteristic, characteristic component generally includes Euclidean distance between characteristic point, song
Rate and angle etc..
The pattern feature very abundant for including in facial image, such as histogram feature, color characteristic, template characteristic, structure
Feature and Haar feature etc.；Face characteristic is newly exactly that information useful among these is picked out, for describing corresponding face.
As illustrated in fig. 1 and 2, present embodiment discloses a kind of two dimensional code access control system based on face characteristic value, packet
Include user terminal and sequentially connected image capture device, front end recognition processing equipment and background server；Wherein:
User terminal is used to send two dimensional code registration request to background server, and receives gate inhibition's two dimension of background server granting
Code, gate inhibition's two dimensional code carry the face characteristic information of user；
Image capture device is used to acquire the gate inhibition's image in 2 D code and use that user provides respectively when user requests opening gate
The facial image at family；Under normal conditions, user shows gate inhibition's two dimensional code by the display screen of user terminal；
Background server is used for according to the two dimensional code registration request, sends corresponding gate inhibition's two dimensional code to user terminal；Also use
It is identified in verifying front end recognition processing equipment: the validity for gate inhibition's two dimensional code that user provides；
Front end recognition processing equipment is used for the facial image obtained according to image capture device, and the face for extracting relative users is special
Reference breath；Also according to gate inhibition's image in 2 D code of image capture device acquisition, gate inhibition's two dimensional code that user provides is identified, parsing
The face characteristic information that gate inhibition's two dimensional code includes out；Also compare the corresponding face characteristic information of the user and gate inhibition's two dimensional code
The similarity for the face information for including；Also meet preset condition in the similarity, and the background server verifies gate inhibition two
When dimension code validity passes through, opening gate is controlled.
When system solution is embodied, image capture device selects general digital video camera.
For face characteristic information, it is a characteristic value character string or eigenvalue matrix, work is generated by corresponding two dimensional code
Tool, can be converted into two dimensional code for face characteristic information.
For front end recognition processing equipment according to facial image, the process of corresponding face characteristic information is extracted, including
Following steps:
Face in facial image is positioned, this is located through network-based deep learning algorithm-as based on Bayes
Classifier-can be realized, then be pre-processed that (original image that system obtains is due to by various conditions to the face of positioning
Limitation and random disturbances, tend not to directly use, it is necessary to pre-process it in the early stage of image procossing, the pre- place
Manage such as compensating optical fiber, greyscale transformation, histogram equalization, normalization, geometric correction, filtering and sharpening), then to pretreatment
Face afterwards carries out characteristics extraction, obtains the corresponding face characteristic information of facial image.
Gate inhibition's image in 2 D code (the gate inhibition shot obtained for front end recognition processing equipment according to image capture device
Two dimensional code), it identifies gate inhibition's two dimensional code that user provides, obtains the face characteristic information that gate inhibition's two dimensional code includes specifically:
Gate inhibition's two dimensional code that image capture device obtains is gate inhibition's two-dimension code image of shooting, and front end recognition processing equipment is in the picture
Gate inhibition's two dimensional code position, identify gate inhibition's two dimensional code, this gate inhibition's two dimensional code is that background server is issued to user
Gate inhibition's two dimensional code, front end recognition processing equipment identify the face characteristic information carried in gate inhibition's two dimensional code, such as characterization people again
The character string of face characteristic value.
Whether above-described embodiment is when judging gate inhibition's two dimensional code user is legitimate holder, by the people for comparing user
The similarity of face and its included information of two dimensional code provided, that is, can determine whether user matches with the two dimensional code that it is used,
Quickly, letter judges whether user is legitimate user with answering.And in existing scheme, to issue link in two dimensional code, it is legal to prestore
The personal information of user, and it is associated with the face information of user；When judging user validation, searched by face information
With the presence or absence of corresponding personal information, or whether prestores the high face information of similarity and then tested when finding corresponding informance
Card passes through.The database support that existing scheme needs capacity huge, and need to establish numerous relevance lists to meet retrieval need
It asks, on the other hand, the strong mobility based on user, it is also necessary to dynamic update and maintenance are carried out to database, in this link,
Due to a lack of data supporting, then existing system is unable to operate normally.
Referring to attached drawing 3, present embodiment discloses a kind of background servers according to the two dimensional code registration request, to user's end
End sends the embodiment of corresponding gate inhibition's two dimensional code:
The personal information of facial image (such as take pictures certainly, register and shine) and user of user is carried in two dimensional code registration request
(generally comprising name, phone, address, identification card number)；Background server verifies personal information, also sends out facial image
Front end recognition processing equipment is given, so that front end recognition processing equipment extracts the face characteristic information of the facial image, specifically
, facial image is sent to front end recognition processing equipment by background server, and also forward end identifying processing equipment sends parsing people
The instruction of face image, front end recognition processing equipment receives analyze the instruction after, to the server day after tomorrow send facial image carry out
Face characteristic information is extracted, and the face characteristic information of extraction is sent to background server；Background server is known according to front end
The face characteristic information of other processing equipment feedback, generates gate inhibition's two dimensional code, gate inhibition's two dimensional code is also sent to user terminal, and
Establish the mapping relations of gate inhibition's two dimensional code and the personal information of user.For generating gate inhibition's two dimension according to face characteristic information
Code, for face characteristic information is encoded to two dimensional code format, or to make the two dimensional code of coding carry face characteristic information (such as
Face characteristic character string).
Referring to attached drawing 4, present embodiment discloses another background servers according to two dimensional code registration request, to user terminal
Send the embodiment of corresponding gate inhibition's two dimensional code:
The facial image of image capture device acquisition user is controlled, front end recognition processing equipment is parsed according to the facial image
The face characteristic information is sent to background server by corresponding face characteristic information；Background server face based on the received
Characteristic information generates gate inhibition's two dimensional code, and when receiving the two dimensional code registration request of user terminal transmission, by gate inhibition two dimension
Code is sent to user terminal；Background server also receives the personal information of the user of administrator's input, and establishes the door
Prohibit the mapping relations of two dimensional code and the personal information of the user.For the facial image of image capture device acquisition user, can be
System manager actively acquires the facial image (shooting process referring to identity card) of user by image capture device；Or to use
Family sends image capturing request to background server by user terminal, after background server receives image capturing request, touching
Send out the facial image of image capture device acquisition user.
Front end recognition processing equipment controls opening gate specifically: the access control equipment connected to it sends opening gate
Instruction, to trigger the access control opening of device gate inhibition.
Present embodiment discloses the validity how above-mentioned background server verifies gate inhibition's two dimensional code of user's offer:
Background server gets gate inhibition's two dimensional code of user's offer, and gate inhibition's two dimensional code is by front end recognition processing equipment according to door
Prohibit image in 2 D code to identify；Background server is closed according to the mapping of the personal information of the gate inhibition's two dimensional code and user established
System verifies the validity of the corresponding personal information of gate inhibition's two dimensional code of user's offer, also gate inhibition's two dimensional code of verifying user offer
Timeliness.Specifically, for the validation verification of personal information verifying can be compared with the household register information of user, compare
By being then verified, otherwise, verifying does not pass through；Timeliness verifying for gate inhibition's two dimensional code, can be by judging current time
Whether within gate inhibition's two dimensional code default validity period, if so, being verified, otherwise, verifying does not pass through.For example, certain is used
Family is that cell fits up personnel, and the construction period put on record is 30 days, then is gate inhibition's two dimensional code that it is provided, 30 days from providing day
It is interior effective；Further, in this 30 days, in the 06:00-20:00 of every day (or working day) effectively.
Using the above scheme, realize the double verification to entry/exit gate inhibition personnel: first layer determines that gate inhibition's two dimensional code is held
The consistency of person and user, i.e. the face characteristic information A1's of the face characteristic information A2 and user's face of comparison gate inhibition's two dimensional code
Similarity meets preset condition in the similarity of two face characteristic informations and (such as meets or exceeds predetermined threshold value a, a is desirable
95%), then it is assumed that face characteristic information A1 and face characteristic information A2 are expressed as same people, and first layer is verified, for A1 and
The case where A2 similarity backlog demand, first layer verifying do not pass through, that is, hold the non-gate inhibition's two dimensional code of gate inhibition two dimensional code person
Owner.The second layer verifies the validity of gate inhibition's two dimensional code on the basis of first layer is verified, i.e. verifying and gate inhibition two
Tieing up code, there are the validity of the personal information of mapping relations and the timeliness of gate inhibition's two dimensional code, are both being verified
In the case where, the second layer is verified.Only in the case where double verification passes through, front end recognition processing equipment, which just controls, opens door
Prohibit, the discrepancy safety of system-operating environment is ensured with this.
Further, for the face characteristic information A2 and user's face of front end recognition processing equipment verifying gate inhibition's two dimensional code
Face characteristic information A1 similarity it is obstructed out-of-date, record the image capture device user collected facial image.It is excellent
Choosing, current time and location information are also recorded, the facial image recorded, when and where information are integrated into warning message
It is reported, is such as reported to administrator.It can be the position of the image capture device at respective doors taboo for the record of location information
Confidence breath, number information etc. quickly determine the position where abnormal personnel in order to administrator；And for time and facial image
Record, retrospect of the later period to exception personnel can be convenient for.Unacceptable situation is verified for gate inhibition's two dimensional code timeliness, or
Gate inhibition's two dimensional code and the unmatched situation of user's face verification, background server is also to the corresponding user's hair of gate inhibition's two dimensional code
Relevant warning message is sent, such as is verified not by reason, gate inhibition's two dimensional code by place to use etc..
Referring to attached drawing 2-5, present embodiment discloses the operation methods of above-mentioned two dimensional code access control system, including following step
It is rapid:
User sends two dimensional code registration request by user terminal, to background server；
The two dimensional code registration request that background server is sent according to user terminal sends gate inhibition's two dimensional code, the door to user terminal
Prohibit the face characteristic information that two dimensional code includes user；
For user when requesting opening gate, image capture device acquires the facial image of user and gate inhibition's two dimensional code of user's offer
Image；
Front end recognition processing equipment extracts the face characteristic information of image capture device facial image collected, according to gate inhibition two
Code image is tieed up, identifies gate inhibition's two dimensional code that user provides, and parse the face characteristic information that gate inhibition's two dimensional code is included；
Front end recognition processing equipment compares the face characteristic information extracted from facial image and the people parsed from gate inhibition's two dimensional code
Whether the similarity of face characteristic information meets preset condition (for example whether reaching predetermined threshold value)；Background server verifies user
Whether gate inhibition's two dimensional code of offer is effective；
Front end recognition processing equipment meets preset condition in the similarity, and verifies gate inhibition's two dimensional code in background server
When effective, opening gate is controlled.
Present embodiment discloses the two dimensional code registration request that a kind of above-mentioned background server is sent according to user terminal, Xiang Yong
The embodiment of family terminal transmission gate inhibition's two dimensional code:
Background server verifies the personal information of the user carried in two dimensional code registration request, also asks two dimensional code registration
The facial image of middle carrying is asked to be sent to front end recognition processing equipment, so that front end recognition processing equipment extracts the facial image
Face characteristic information；
The face characteristic information that background server is fed back according to front end recognition processing equipment generates gate inhibition's two dimensional code, also by the door
Prohibit two dimensional code and be sent to user terminal, and establishes the mapping relations of gate inhibition's two dimensional code and the personal information of user.
Or are as follows: the facial image of control image capture device acquisition user, front end recognition processing equipment is according to the face
Image parses corresponding face characteristic information, which is sent to background server；Background server according to
Received face characteristic information generates gate inhibition's two dimensional code, and when receiving the two dimensional code registration request of user terminal transmission, will
Gate inhibition's two dimensional code is sent to user terminal；Background server also receives the personal information of the user of administrator's input, and
Establish the mapping relations of gate inhibition's two dimensional code and the personal information of the user.It is used herein for control image capture device acquisition
The facial image at family belongs to a registering flow path to user's facial image, can refer to the shooting process of identity card, i.e. system pipes
Reason person shoots the facial image of user by image capture device (such as digital camera).It the case where for self-service registration, can be with
Are as follows: user sends image capturing request to background server by user terminal (respective page of such as smart phone), and backstage takes
After business device receives image capturing request, the image information of control image capture device acquisition user.Specifically, more for existing
The case where a image capture device, also carry in image capturing request the number information of image capture device to be used/
Location information, so that background server controls corresponding image capture device work.
Verifying for gate inhibition's two dimensional code validity, the personal information including user associated by gate inhibition's two dimensional code it is effective
Property verifying and gate inhibition's two dimensional code timeliness verifying.
It should be noted that the access control equipment mentioned in this specification, can be corresponding in existing access control system
Access control equipment, this system be the transformation based on existing access control system.It is of course also possible to mating for the application system
Gate inhibition's unlatching/closing drive device, this system is individually implemented.Two schemes can solve gate inhibition's two dimensional code quilt
Convert or usurp the problem of caused security administration inconvenience.Good application can be obtained for cell, office space.Together
When, it in the present system, for the gate inhibition that control is opened, is automatically closed after being set in the predetermined time, such as front end recognition processing is set
Gate inhibition is closed in the standby predetermined time after controlling opening gate, control.Alternatively, front end recognition processing equipment is to door connected to it
Prohibit control equipment and send the predetermined time after opening gate instruction, is sent to access control equipment and close gate instruction.Alternatively, front end
It carries and closes gate inhibition's time point in the opening gate instruction that identifying processing equipment is sent to gate control equipment, gate control is set
It is standby to close gate inhibition at closing gate inhibition's time point.And the state of gate inhibition controls when for the blocking of gate inhibition, belongs to existing mature skill
Art can keep gate inhibition to open, in the object of blocking if system of the invention encounters the object for stopping to close after access control unlatching
After body disappears, gate inhibition is closed；Preferably, it is also sounded an alarm when object stops to close gate inhibition.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
1. a kind of two dimensional code access control system based on face characteristic value, which is characterized in that including user terminal and successively connect
Image capture device, front end recognition processing equipment and the background server connect；Wherein:
User terminal is used to send two dimensional code registration request to background server, and receives gate inhibition's two dimension of background server transmission
Code, gate inhibition's two dimensional code carry the face characteristic information of user；
Image capture device is used to acquire the gate inhibition's image in 2 D code and use that user provides respectively when user requests opening gate
The facial image at family；
Background server is used for according to the two dimensional code registration request, sends corresponding gate inhibition's two dimensional code to user terminal；Also use
It is identified in verifying front end recognition processing equipment: the validity for gate inhibition's two dimensional code that user provides；
Front end recognition processing equipment is used for the facial image obtained according to image capture device, and the face for extracting relative users is special
Reference breath；Also according to gate inhibition's image in 2 D code of image capture device acquisition, gate inhibition's two dimensional code that user provides is identified, parsing
The face characteristic information that gate inhibition's two dimensional code includes out；Also compare the corresponding face characteristic information of the user and gate inhibition's two dimensional code
The similarity for the face information for including；Also meet preset condition in the similarity, and the background server verifies gate inhibition two
When dimension code validity passes through, opening gate is controlled.
2. two dimensional code access control system as described in claim 1, which is characterized in that the background server is according to described two
Code registration request is tieed up, sends corresponding gate inhibition's two dimensional code to user terminal specifically:
The facial image and personal information of user are carried in the two dimensional code registration request；The background server is to described
People's information verifies, and the facial image is also sent to front end recognition processing equipment, so that the front end recognition processing equipment
Extract the face characteristic information of the facial image；Background server is believed according to the face characteristic that front end recognition processing equipment is fed back
Breath generates gate inhibition's two dimensional code, gate inhibition's two dimensional code is also sent to user terminal, and establishes gate inhibition's two dimensional code and of user
The mapping relations of people's information.
3. two dimensional code access control system as described in claim 1, which is characterized in that the background server is according to described two
Code registration request is tieed up, sends corresponding gate inhibition's two dimensional code to user terminal specifically:
The facial image of image capture device acquisition user is controlled, front end recognition processing equipment is parsed according to the facial image
The face characteristic information is sent to background server by corresponding face characteristic information；Background server face based on the received
Characteristic information generates gate inhibition's two dimensional code, and when receiving the two dimensional code registration request of user terminal transmission, by gate inhibition two dimension
Code is sent to user terminal；Background server also receives the personal information of the user of administrator's input, and establishes the door
Prohibit the mapping relations of two dimensional code and the personal information of the user.
4. two dimensional code access control system as described in claim 1, which is characterized in that the front end recognition processing equipment control
Opening gate specifically: the access control equipment that the front end recognition processing equipment is connected to it sends opening gate instruction, with
Trigger the access control opening of device gate inhibition.
5. two dimensional code access control system as claimed in claim 2 or claim 3, which is characterized in that the background server verifying is used
The validity for gate inhibition's two dimensional code that family provides specifically:
Background server gets gate inhibition's two dimensional code of user's offer, is believed according to the individual for the gate inhibition's two dimensional code and user established
The mapping relations of breath verify the validity of the corresponding personal information of gate inhibition's two dimensional code of user's offer, and also verifying user provides
The timeliness of gate inhibition's two dimensional code.
6. two dimensional code access control system as described in claim 1, which is characterized in that the front end recognition processing equipment is also used
In: obstructed out-of-date, the note in the similarity for the face information that the corresponding face characteristic information of comparison user and gate inhibition's two dimensional code include
Record the facial image of the described image acquisition equipment user collected.
7. two dimensional code access control system as claimed in claim 6, which is characterized in that the front end recognition processing equipment is also used
In when recording the facial image of described image acquisition equipment user collected, also record current time and place will be remembered
Facial image, the when and where of record are integrated into warning message and are reported.
8. the operation method of the two dimensional code access control system as claimed in claim 1 based on face characteristic value,
It is characterized in that, comprising the following steps:
User sends two dimensional code registration request by user terminal, to background server；
The two dimensional code registration request that background server is sent according to user terminal sends gate inhibition's two dimensional code, the door to user terminal
Prohibit the face characteristic information that two dimensional code includes user；
For user when requesting opening gate, image capture device acquires the facial image of user and gate inhibition's two dimensional code of user's offer
Image；
Front end recognition processing equipment extracts the face characteristic information of image capture device facial image collected, according to gate inhibition two
Code image is tieed up, identifies gate inhibition's two dimensional code that user provides, and parse the face characteristic information that gate inhibition's two dimensional code is included；
Front end recognition processing equipment compares the face characteristic information extracted from facial image and the people parsed from gate inhibition's two dimensional code
Whether the similarity of face characteristic information meets preset condition；Whether gate inhibition's two dimensional code that background server verifying user provides has
Effect；
Front end recognition processing equipment meets preset condition in the similarity, and verifies the gate inhibition two in the background server
When dimension code is effective, opening gate is controlled.
9. method according to claim 8, which is characterized in that the two dimensional code that the background server is sent according to user terminal
Registration request sends gate inhibition's two dimensional code to user terminal specifically:
Background server verifies the personal information carried in two dimensional code registration request, will also take in two dimensional code registration request
The facial image of band is sent to front end recognition processing equipment, so that front end recognition processing equipment extracts the face of the facial image
Characteristic information；
The face characteristic information that background server is fed back according to front end recognition processing equipment generates gate inhibition's two dimensional code, also by the door
Prohibit two dimensional code and be sent to user terminal, and establishes the mapping relations of gate inhibition's two dimensional code and the personal information of user.
10. method according to claim 8, which is characterized in that the two dimension that the background server is sent according to user terminal
Code registration request sends gate inhibition's two dimensional code to user terminal specifically:
The facial image of image capture device acquisition user is controlled, front end recognition processing equipment is parsed according to the facial image
The face characteristic information is sent to background server by corresponding face characteristic information；Background server face based on the received
Characteristic information generates gate inhibition's two dimensional code, and when receiving the two dimensional code registration request of user terminal transmission, by gate inhibition two dimension
Code is sent to user terminal；Background server also receives the personal information of the user of administrator's input, and establishes the door
Prohibit the mapping relations of two dimensional code and the personal information of the user.
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