CN105701885A - Face identification access control system and implementation method thereof - Google Patents
Face identification access control system and implementation method thereof Download PDFInfo
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- CN105701885A CN105701885A CN201410687158.0A CN201410687158A CN105701885A CN 105701885 A CN105701885 A CN 105701885A CN 201410687158 A CN201410687158 A CN 201410687158A CN 105701885 A CN105701885 A CN 105701885A
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Abstract
The invention discloses a face identification access control system and an implementation method thereof. The system comprises a cipher verifier, which is used for receiving an input cipher and sending the input cipher to a host computer; a camera, which is used for acquiring face information and sending the face information to the host computer; the host computer, which is used for instructing the camera to acquire face information when the cipher is correct and verified, comparing the face information sent by the camera with face information stored in advance and instructing an electronic lock to open a gate if comparison is succeed; and the electronic lock, which is used for locking or opening the gate according to the instruction of the host computer. According to embodiments in the invention, dual identification consisting of face identification and cipher verification is applied to a smart home system, so the security and applicability of the access control system are greatly improved, and the smartness degree and user satisfaction of the access control system are enhanced.
Description
Technical field
The present invention relates to Internet technical field, particularly to a kind of face recognition door control system and its implementation。
Background technology
Gate control system, controls system also known as room entry/exit management, is the digital management system of a kind of management personnel turnover。Common gate control system has: password access system, contactless IC card (induction type IC card) gate control system, the general name of fingerprint iris palm shape bio-identification gate control system etc.。
Many new techniques such as gateway gate inhibition's safety management system is new-modernization safety management system, and it integrates microcomputer automatic identification technology and modern safety management measure, and it relates to electronics, machinery, optics, computer technology, mechanics of communication, biotechnology。It is to solve important department gateway to realize the effective measures of safety precaution management。It is suitable for various confidential departments, such as bank, hotel, machine room, armory, safe care registry, cubicle, intellectual communityintellectualized village, factory etc.。
Hardware components can be divided into:
Multifunction scanner: obtain the palm shape information of experimenter and to main frame transmission。
Main frame: accept the palm shape information that sends from multifunction scanner, judges it and issues an order to controller and accept the information of controller。
Controller: accept the order that main frame is assigned, and perform。
Motor: perform the order of controller, drives actuator movement。
Actuating device: the motion between transmission motor and door。
Sensor: to people by sensing。
Warning system: report to the police when experimenter illegally enters laboratory。
Swift and violent development is obtained in gate inhibition's technology today that digital technology network technology develops rapidly。Gate control system has surmounted simple gateway and key management already, and it has evolved into the access management system into complete set。It plays huge effect in the Administrations such as work circumstances safe, personnel attendance management。The basis of this system increases corresponding auxiliary equipment and can carry out elevator controlling, vehicles while passing control, property fire fighting monitoring, security personnel inspection management, food and drink toll administration etc., a card intelligent management in real feasible region。
Its principle is generally: card read head for ID is used for reading the smart card information (card number) of the personnel of swiping the card, reconvert becomes the signal of telecommunication to deliver in access controller, controller is according to the card number received, judge whether this holder obtained section between mandate at this moment and can enter gate, and the result according to judging completes to unblank, keep the work such as locking by software。For interconnection type gate control system, controller also accepts to carry out personal information and the corresponding authorization message that Self management computer sends, and is transferred into the record of swiping the card gone out to computer simultaneously。Single controller just can form a simple gate control system, is used for managing one or two door。Multiple controllers couple together, by communication network, the gate control system just constituting whole building with computer。Computer is equipped with the management software of gate control system, and it manages all of information analysis and process in system。
Gate control system can be divided into following several by recognition method:
1, password identification
Password identification: by checking whether input password correctly identifies turnover authority。
This series products divides again two classes: a class is plain edition, and a class is Orderless keyboard type (numeral on keyboard is not fixed, irregularly change automatically)。
Plain edition:
Advantage: easy to operate, need not carry card；Cost is low。
Shortcoming: simultaneously can only hold three groups of passwords, it is easy to revealing, safety is very poor；Without turnover record；Can only be unidirectionally controlled。
Orderless keyboard type (numeral on keyboard is not fixed, irregularly change automatically):
Advantage: easy to operate, need not carry card, and safety coefficient is slightly higher
Shortcoming: password is easily revealed, safety is still not high；Without turnover record；Can only be unidirectionally controlled。Cost is high。
2, card recognition
Card recognition: identify turnover authority by Card Reader or Card Reader encrypted code mode, be divided into again by kind of cards
Common card reader: magnetic card
Advantage: less costly；One people one blocks (+password), and safety is general, can join microcomputer, have enabling record
Shortcoming: card, equipment has abrasion, and the life-span is shorter；Card easily replicates；Not easily double-direction control。Card image is easily lost because of external magnetic field, makes card invalid。
Radio-frequency card
Advantage: card, equipment is contactless, opens the door convenient and safe；Life-span is long, gross data at least ten years；Safety is high, can join microcomputer, have enabling record；Double-direction control can be realized。Card is difficult to be replicated。
Shortcoming: relatively costly。
Recognition of face, the facial feature information being based on people carries out a kind of biological identification technology of identification。Contain image or the video flowing of face with video camera or camera collection, and automatically detect in the picture and track human faces, and then the face detected is carried out a series of correlation techniques of face, be generally also called Identification of Images, facial recognition。
Face identification system mainly includes four ingredients, is respectively as follows: man face image acquiring and detection, facial image pretreatment, facial image feature extraction and coupling and identifies。
Man face image acquiring: different facial images can be transferred through pick-up lens and collects, the aspect such as such as still image, dynamic image, different positions, different expressions can well be gathered。When user is in the coverage of collecting device, collecting device can search for and shoot the facial image of user automatically。
Face datection: Face datection is mainly used in the pretreatment of recognition of face in practice, namely accurate calibration goes out position and the size of face in the picture。The pattern feature comprised in facial image is very abundant, such as histogram feature, color characteristic, template characteristic, architectural feature and Haar feature etc.。Face datection is exactly that the information that this is wherein useful is picked out, and utilizes these features to realize Face datection。
The method for detecting human face of main flow adopts Adaboost learning algorithm based on features above, and Adaboost algorithm is a kind of method for classifying, and it is combined the sorting technique that some are more weak, the very strong sorting technique that combination makes new advances。
Face datection process use Adaboost algorithm pick out some rectangular characteristic (Weak Classifier) that can represent face, according to the mode of Nearest Neighbor with Weighted Voting, Weak Classifier is configured to a strong classifier, some strong classifiers that training obtains are composed in series the cascade filtering of a cascade structure again, are effectively improved the detection speed of grader。
Facial image pretreatment: the Image semantic classification for face is based on Face datection result, and image processes and finally serves the process of feature extraction。The original image that system obtains, owing to being subject to restriction and the random disturbances of various condition, tends not to direct use, it is necessary to it is carried out the Image semantic classification such as gray correction, noise filtering by the commitment at image procossing。For facial image, its preprocessing process mainly includes the light compensation of facial image, greyscale transformation, histogram equalization, normalization, geometric correction, filtering and sharpening etc.。
Facial image feature extraction: the spendable feature of face identification system is generally divided into visual signature, pixels statistics feature, facial image conversion coefficient feature, facial image algebraic characteristic etc.。Face characteristic extracts what some feature being aiming at face carried out。Face characteristic extracts, and characterizes also referred to as face, and it is the process that face carries out feature modeling。The method that face characteristic extracts is summed up and is divided into two big classes: a kind of characterizing method being based on knowledge；Another is based on the characterizing method of algebraic characteristic or statistical learning。
Knowledge based engineering characterizing method mainly obtains, according to the shape description of human face and the range performance between them, the characteristic contributing to face classification, and its characteristic component generally includes the Euclidean distance between characteristic point, curvature and angle etc.。Face is made up of the local such as eyes, nose, mouth, chin, to these local and the geometric description of structural relation between them, can as the key character identifying face, and these features are referred to as geometric properties。Knowledge based engineering face characterizes and mainly includes the method based on geometric properties and template matching method。
Facial image coupling and identification: the characteristic of the facial image of extraction scans for mating with the feature templates of storage in data base, by setting a threshold value, when similarity exceedes this threshold value, then result output coupling obtained。Recognition of face is exactly compared with the skin detection obtained by face characteristic to be identified, according to similarity degree, the identity information of face is judged。This process is divided into again two classes: a class is to confirm, is the process that image compares that carries out one to one, and another kind of is identification, is the one-to-many process that carries out images match contrast。
In prior art, gate control system requires over default access card and unlocks, still there is no a kind of gate control system that can pass through recognition of face automatic unlocking, or, it is only one-side bio-identification by the gate control system of human-body biological identification, lacking increasingly complex checking to coordinate, safety has problems。
Summary of the invention
The present invention provides a kind of face recognition door control system and its implementation, in order to solve in prior art the problem that gate control system safety is low, application is poor。
A kind of face recognition door control system, including:
Password verifier, is used for receiving input password and sending main frame；
Photographic head, is used for gathering face information and sending main frame；
Main frame, for when described password authentification is correct, camera collection face information described in instruction, and the face information sent by described photographic head and the face information comparison prestored, if comparison success, instruction electronic lock opens gate；
Electronic lock, locks for the instruction according to main frame or opens gate。
Described system also includes short message transceiving module, for the face information of described camera collection and the uncaging time of described electronic lock are sent to default terminal。
Described short message transceiving module is additionally operable to receive that default terminal sends unblanks instruction be sent to main frame；
Described main frame according to described in electronic lock of unblanking described in instruction instruction open gate。
Described main frame is provided with opencv picture processing program module, is used for prestoring face information and carrying out recognition of face initialization, all default face information collected is carried out Facial Feature Analysis and is saved in feature database；
The face information comparison prestored in the face information that described photographic head is sent by described main frame and described feature database, if comparison success, is verified, and instruction electronic lock opens gate, otherwise, and instruction electronic lock locking gate。
Described main frame is additionally operable to when password authentification failure, returns authentication failed information to password verifier；
Described password verifier returns authentication failed information to user。
A kind of face recognition door control system realizes method, including:
Password verifier receives input password and is sent to main frame；
Main frame when described password authentification is correct, instruction camera collection face information；
Camera collection face information also returns to main frame；
Main frame is by the face information of camera collection and the face information comparison prestored, if comparison success, instruction electronic lock opens gate。
Described method also includes:
Opening greatly behind the door, the head portrait of camera collection and the uncaging time of electronic lock are sent to default terminal by short message transceiving module。
Described method also includes:
Short message transceiving module receives presets the instruction be sent to main frame unblanked that terminal sends；
Main frame opens gate according to instruction instruction electronic lock of unblanking。
Described method also includes:
Main frame prestores face information by opencv picture processing program module and carries out recognition of face initialization, all default face information collected is carried out Facial Feature Analysis and is saved in feature database；
The face information comparison prestored in the face information that photographic head is sent by main frame and feature database, if comparison success, is verified, and instruction electronic lock opens gate, otherwise, and instruction electronic lock locking gate。
Described method also includes:
Main frame, when password authentification failure, returns authentication failed information to password verifier；
Password verifier returns authentication failed information to user。
In the embodiment of the present invention, by providing the gate control system of a kind of recognition of face, including password verifier, it is used for receiving input password and sending main frame；Photographic head, is used for gathering face information and sending main frame；Main frame, for when described password authentification is correct, camera collection face information described in instruction, and the face information sent by described photographic head and the face information comparison prestored, if comparison success, instruction electronic lock opens gate；Electronic lock, locks for the instruction according to main frame or opens gate。In the embodiment of the present invention, by the dual identification of recognition of face and password authentification, it is applied to intelligent domestic system, greatly improves safety and the application of gate control system, also improve degree of intelligence and the user satisfaction of gate control system simultaneously。
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the present invention。The purpose of the present invention and other advantages can be realized by structure specifically noted in the description write, claims and accompanying drawing and be obtained。
Below by drawings and Examples, technical scheme is described in further detail。
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, is used for together with embodiments of the present invention explaining the present invention, is not intended that limitation of the present invention。In the accompanying drawings:
A kind of face recognition door control system structural representation that Fig. 1 provides for the embodiment of the present invention 1；
A kind of face recognition door control system that Fig. 2 provides for the embodiment of the present invention 3 realizes Method And Principle flow chart。
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains the present invention, is not intended to limit the present invention。
As it is shown in figure 1, a kind of face recognition door control system structural representation provided for the embodiment of the present invention 1, wherein,
Password verifier 11, is used for receiving input password and sending main frame 13。
Password verifier 11 is actually mainly used in gathering and coordinate checking user to input the correctness of password。Actually first password verifier is the keyboard of a Password Input, and user can pass through this input through keyboard password set in advance。Password verifier is sent to background host computer after gathering the password of tape input。
The most basic function of password verifier is to use as code keypad。Conventional code keypad is one of requisite computer peripheral, it is widely used in the service occupatioies such as communication, government, traffic, government, industry and commerce, the tax, supermarket, use in coordinating banking system, POS and management system logical, be primarily used to input password。Along with bank card user increase with bankcard consumption day by day prevailing, code keypad more and more obtains the concern of people。Code keypad kind divide according to: liquid crystal, voice, encryption, touch etc. are classified。Industry-by-industry is different to password requirement difference, touch code keypad and be presently the most advanced person, whole key panel touch screen replaces, greatly improve that the practicality of code keypad, secondary be open, safety and can in case the anti-specific function such as take on the sly be seen in side。
Certainly, password verifier can also be a kind of coded lock, and coded lock is the one of lock, and during unlatching is a series of numeral or symbol。The password of coded lock is generally all arrange and non-real combination。Partial password lock only uses a rotating disk, the several video discs in lock or cam rotation；Also some coded lock is to rotate one group of several thumb wheel circle being carved with numeral, directly drives the machinery within lock。For example, it may be existing conventional electronic intelligence coded lock。The system of intelligent cipher lock is made up of intelligent monitor and electric lockset。The two strange land is placed。It is employed herein line sharing technology, makes electric energy supply and information transmission share a twin core cable, improve the reliability of system, safety。Intelligent monitor is made up of unit such as single-chip microcomputer, clock, keyboard, LCD display, memory, demodulator, line sharing and monitoring, A/D conversion, buzzers。The functions such as the safety monitoring mainly completing the communication between electric lockset, intelligent analysis and communication line。
At transmitting terminal, electric lockset is sent after the data signal modulated being boosted by pulse transformer T；At receiving terminal, pulse transformer T send demodulator after the data signal blood pressure lowering received, to reduce carrier signal loss in transmitting procedure。In order to reduce interfering between communication and power supply, the selection of choke coil L, coupling electric capacity C to be considered。
Artificial destruction and electromagnetic actuator in order to prevent communication line burn coil because certain reason causes the electric current flowing through solenoid excessive, adopt current monitoring technology herein in intelligent cipher lock designs。Current monitor adopts the current/voltage-converted chip MAX471 that MAXIM company produces。Tested electric current I can be changed into output voltage U over the ground by this chip, and has the features such as measurement scope is big, precision is high, output voltage U and tested electric current I is directly proportional。Current monitor output voltage send A/D converter, and single-chip microcomputer, by reading A/D transformation result, is known the situation of change of electric current in circuit, noted abnormalities in time by analyzing, send alarm signal。
Intelligent monitor receives the status information (including the unlatching of lockset, closedown, for the first time password mistake, wrong, the third time password mistake of second time password etc.) that lockset is sent, the current value flowing through electromagnetic actuator coil, and read the power supply current value of this moment communication line, triplicity gets up to constitute a data block, wherein mode of operation accounts for 1 byte, supply current accounts for 2 bytes, and coil current accounts for 2 bytes。Intelligent monitor with in electric lockset communication process, be in reception state all the time。In order to improve communication reliability, adopting the mode repeating to send herein in communication protocol, each group of Data duplication is sent 5 times by electric lockset, after intelligent monitor receives these group data, adopts big number decoding law error correction, it is ensured that the accuracy of data receiver。To the data acquisition preconditioning technique received, after namely often receiving data, first these data need to be compared with the threshold value of setting in addition to save internal memory, if greater than threshold value, then send overload alarm；If less than threshold value, then the homogeneous data that these data received with the same day is compared, retain the greater。Such every day, the data of storage were the maximum in homogeneous data,
Intelligent analysis and Predicting Technique are exactly with the data block received every time for foundation, make comparisons with the record value of homogeneous data before this, analyze this operation and cause size and the trend of curent change, find existing problems in time, and Reports Administration personnel, thus improve the reliability of whole system。
Intelligent cipher lock software adopts 51 series monolithic assembler languages that intelligent monitor and electric lockset are programmed respectively。Intelligent monitor software includes keyboard scan and LCD shows the modules such as the amendment of program, buzzer driver, clock and reading program, data communication and preprocessor, intelligent analysis program and path monitoring program。Electric lockset software includes keyboard scan and shows program, signal procedure, electromagnetic actuator and the module such as detection program, sensor interface program with translator, LCD。Software design procedure adopts modular design method, it is simple to the reading of program, debugging and improvement。
Intelligent cipher lock takes full advantage of 51 system single-chip microcomputer soft and hardware resources, introduces intelligent analysis function, improves reliability and the safety of system。By installing and using at certain model safety cabinet, it is subject to the welcome of user。Change a little it addition, intelligent cipher is locked in soft and hardware aspect, just may make up intelligentized distributed monitor-control network, it is achieved the centralized monitoring management in a certain scope, be with a wide range of applications in finance, insurance, place of military importance and other safety precaution field。
Intelligent monitor is in reception state all the time, the warning message sent with fixing reception of beacons electric lockset and status information。For warning message, then send sound, light warning by LCD display and buzzer at once；For status information, then it is stored in internal memory, and the historic state former at this moment with electric lockset compares, and draws variation tendency, it was predicted that following state change, provide corresponding information by LCD display to operator on duty, use for decision-making。Intelligent monitor and electric lockset are monitored the change of the supply current flowing through communication line in real time, are effectively prevented the destruction that anthropic factor causes while establishing a communications link by A/D converter, it is ensured that communication line unimpeded。
Electric lockset is also with 51 series monolithics (AT89051) for core, it is equipped with corresponding hardware circuit, completes the setting of password, storage, identification and display, driving electromagnetic actuator and detect its driving current value, the alarm signal that receives sensor and send here, send the functions such as data。
Single-chip microcomputer receives the code keyed in, and compares with the password being stored in EEPROM, if password is correct, then drives electromagnetic actuator to unblank；If password bad, then allow operator to re-enter password, can input at most three times；If three times all incorrect, then single-chip microcomputer is reported to the police to intelligent monitor by communication line。The driving current value of each unlocking operation and now electromagnetic actuator is sent to intelligent monitor as status information by single-chip microcomputer, the warning message received from sensor interface is also sent to intelligent monitor, as the foundation of intelligent analysis simultaneously。
Intelligent monitor and electric lockset strange land are placed, and power supply needed for intelligent monitor supply electric lockset also receives warning message and the status information of its transmission。If adopting communication line and supply line's mode separately, certainly will increasing cable core number, potential safety hazard increases。
It practice, no matter as code keypad or coded lock, be required for presetting password。Preset password to be inputted by password verifier by user and verify, or, user directly setting on main frame, password verifier is only for Gather and input password。
If the password bad of user's input, it is necessary to notice user cipher mistake or prompting input again。This is accomplished by password verifier 11 and returns goods authentication failed information to user。User again inputs or does other operations according to this information。
Photographic head 12, is used for gathering face information and sending main frame。
Photographic head 12 is mainly used to gather the face information of user and be sent to main frame 13。Photographic head 12 can be existing conventional camera head or portrait collecting apparatus, and institute's difference is in that wherein to need to install recognition of face related software。Or, photographic head 12 only needs shooting portrait and sends main frame 13 to, and concrete recognition of face work is completed by main frame 13。
Generally, photographic head 12 is required to collect accurately the face information of user, and this needs photographic head to meet the specification of necessary resolution or other needs, or, in addition it is also necessary to photographic head can be differentiated face information voluntarily and face information is only sent to main frame 13。
Main frame 13, for when password authentification is correct, instruction camera collection face information, and the face information sent by photographic head and the face information comparison prestored, if comparison success, instruction electronic lock opens gate。
Main frame 13 is the core of system。One of its main work is to receive the password of password verifier 11 transmission and be verified。For the checking of password, the user that most importantly reception password verifier 11 is sent inputs password, and compares with the password prestored, and comparison success is then proved to be successful, otherwise, authentication failed, return the information of authentication failed。
Certainly, system can set that the number of times allowing input validation password, for instance, 3 times。After continuous 3 the input password authentification failures of user, then notify that user can not input password again, it is not required that carry out the process of recognition of face, to save system program。
For verifying the process of password, main frame 13 can be undertaken by existing various password identification proof schemes, and this is not limited by the present embodiment。
Further, if main frame 13 verifies that password is correct, then need to carry out next step action, it is simply that instruction photographic head 12 gathers the face information of user。Photographic head 12, according to after instruction acquisition to user's face information, returns to main frame 13。Main frame 13 is according to the face information collected and the face information comparison prestored, if comparison success, then notice electronic lock 14 opens gate, otherwise, returns comparison failure。
Therefore, photographic head 12 needs to coordinate main frame 13 complete the collection in advance of face information and store work。Can first to house-owner before this system is installed, namely all of having the right carries out recognition of face initialization into the people in this room, the face picture of all house-owners collected carried out Facial Feature Analysis by opencv modular program and is saved in feature database, being easy to face coupling and used。
Electronic lock 14, locks for the instruction according to main frame or opens gate。
Usual electronic lock 14 is in lock-out state, and only when gate is opened in main frame 13 instruction, electronic lock just opens gate according to the instruction of main frame 13。Electronic lock only needs and main-machine communication, and provides necessary and open or the information at locking gate is to main frame。
Further, said system can also include short message transceiving module 15, and the uncaging time for the face information gathered by photographic head 12 and electronic lock 14 is sent to default terminal。Here, the uncaging time of electronic lock 14 also needs to return to main frame 13。The face information unification that the uncaging time of electronic lock 14 and photographic head 12 are gathered by main frame 13 is sent to user's reception terminal set in advance。Receiving terminal can be mobile phone or any device that can receive note。User can obtain all of information of unblanking by the note received。
Under another kind of application, user can send an SMS to short message transceiving module 15 by terminal set in advance, and short message content portion includes unblank instruction or query statement etc.。This is unblanked short message transceiving module 15 instruction or query statement is sent to main frame 13。After main frame 13 receives this instruction of unblanking, opening gate according to command content instruction electronic lock 14 or be sent to default terminal according to query statement acquisition respective queries result by short message transceiving module 15, user can pass through to preset terminal and well monitor or safeguard the operation of integral door access control system。
Especially, main frame 13 can be provided with opencv picture processing program module, be used for prestoring face information and carrying out recognition of face initialization, all default face information collected is carried out Facial Feature Analysis and is saved in feature database。The face information comparison prestored in the face information that photographic head is sent by main frame 13 and feature database, if comparison success, is verified, and instruction electronic lock 14 opens gate, and otherwise, instruction electronic lock 14 locks gate。
In the present embodiment, by providing the gate control system of a kind of recognition of face, including password verifier, it is used for receiving input password and sending main frame；Photographic head, is used for gathering face information and sending main frame；Main frame, for when described password authentification is correct, camera collection face information described in instruction, and the face information sent by described photographic head and the face information comparison prestored, if comparison success, instruction electronic lock opens gate；Electronic lock, locks for the instruction according to main frame or opens gate。In the embodiment of the present invention, by the dual identification of recognition of face and password authentification, it is applied to intelligent domestic system, greatly improves safety and the application of gate control system, also improve degree of intelligence and the user satisfaction of gate control system simultaneously。
The embodiment of the present invention 2 provides a kind of face recognition door control system to realize Method And Principle flow chart, wherein, house-owner go back home entrance time, door has a small-sized password verifier, after four passwords of input, password can be passed into backstage linux and control in main frame, after password authentification is passed through, linux host computer system can call usb minisize pick-up head, and (minisize pick-up head is mounted on a door, it is connected to linux by usb line to control on main frame), carrying out recognition of face by opencv picture processing program module (can first to house-owner before this system is installed, namely all having the right carries out recognition of face initialization into the people in this room, the face picture of all house-owners collected is carried out Facial Feature Analysis by opencv modular program and is saved in feature database, it is easy to face coupling use)。
Opencv modular program can be compared by the head portrait in the feature database of camera collection head portrait out and oneself storage, if the head portrait in energy matching characteristic storehouse can be verified, then the result is returned to controlling host computer system, system is taken after return result it is determined whether door lock, if head portrait fits through namely can pass through serial ports routine call door-lock opening door, simultaneity factor also can call SMS transmission module, and multimedia message mode is sent to camera collection head portrait out and uncaging time on the cell-phone number that house-owner reserves。
If guest comes to visit, the words that owner is not in, owner can also send note order by Remote mode and control upper (this main frame has note receiver module) of main frame to linux here, this control main frame can be unblanked after receiving note order, realize remote unlocking, allow guest advanced person within doors。
As in figure 2 it is shown, a kind of face recognition door control system for the embodiment of the present invention 3 offer realizes Method And Principle flow chart, wherein,
Step 31, password verifier receives input password and is sent to main frame；
Step 32, main frame when password authentification is correct, instruction camera collection face information；
Step 33, camera collection face information also returns to main frame；
Step 34, main frame is by the face information of camera collection and the face information comparison prestored, if comparison success, instruction electronic lock opens gate。
Especially, the method also includes:
Opening greatly behind the door, the head portrait of camera collection and the uncaging time of electronic lock are sent to default terminal by short message transceiving module。
Especially, the method also includes:
Short message transceiving module receives presets the instruction be sent to main frame unblanked that terminal sends；
Main frame opens gate according to instruction instruction electronic lock of unblanking。
Especially, the method also includes:
Main frame prestores face information by opencv picture processing program module and carries out recognition of face initialization, all default face information collected is carried out Facial Feature Analysis and is saved in feature database；
The face information comparison prestored in the face information that photographic head is sent by main frame and feature database, if comparison success, is verified, and instruction electronic lock opens gate, otherwise, and instruction electronic lock locking gate。
Especially, the method also includes:
Main frame, when password authentification failure, returns authentication failed information to password verifier；
Password verifier returns authentication failed information to user。
In sum, in the embodiment of the present invention, by providing the gate control system of a kind of recognition of face, including password verifier, it is used for receiving input password and sending main frame；Photographic head, is used for gathering face information and sending main frame；Main frame, for when described password authentification is correct, camera collection face information described in instruction, and the face information sent by described photographic head and the face information comparison prestored, if comparison success, instruction electronic lock opens gate；Electronic lock, locks for the instruction according to main frame or opens gate。In the embodiment of the present invention, by the dual identification of recognition of face and password authentification, it is applied to intelligent domestic system, greatly improves safety and the application of gate control system, also improve degree of intelligence and the user satisfaction of gate control system simultaneously。
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program。Therefore, the present invention can adopt the form of complete hardware embodiment, complete software implementation or the embodiment in conjunction with software and hardware aspect。And, the present invention can adopt the form at one or more upper computer programs implemented of computer-usable storage medium (including but not limited to disk memory and optical memory etc.) wherein including computer usable program code。
The present invention is that flow chart and/or block diagram with reference to method according to embodiments of the present invention, equipment (system) and computer program describe。It should be understood that can by the combination of the flow process in each flow process in computer program instructions flowchart and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame。These computer program instructions can be provided to produce a machine to the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device so that the instruction performed by the processor of computer or other programmable data processing device is produced for realizing the device of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame。
These computer program instructions may be alternatively stored in and can guide in the computer-readable memory that computer or other programmable data processing device work in a specific way, the instruction making to be stored in this computer-readable memory produces to include the manufacture of command device, and this command device realizes the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame。
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices provides for realizing the step of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame。
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art。So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification。
Claims (10)
1. a face recognition door control system, it is characterised in that including:
Password verifier, is used for receiving input password and sending main frame；
Photographic head, is used for gathering face information and sending main frame；
Main frame, for when described password authentification is correct, camera collection face information described in instruction, and the face information sent by described photographic head and the face information comparison prestored, if comparison success, instruction electronic lock opens gate；
Electronic lock, locks for the instruction according to main frame or opens gate。
2. face recognition door control system as claimed in claim 1, it is characterised in that described system also includes short message transceiving module, for the face information of described camera collection and the uncaging time of described electronic lock are sent to default terminal。
3. face recognition door control system as claimed in claim 2, it is characterised in that described short message transceiving module is additionally operable to receive that default terminal sends unblanks instruction be sent to main frame；
Described main frame according to described in electronic lock of unblanking described in instruction instruction open gate。
4. face recognition door control system as claimed in claim 1, it is characterized in that, described main frame is provided with opencv picture processing program module, for prestoring face information and carrying out recognition of face initialization, all default face information collected is carried out Facial Feature Analysis and is saved in feature database；
The face information comparison prestored in the face information that described photographic head is sent by described main frame and described feature database, if comparison success, is verified, and instruction electronic lock opens gate, otherwise, and instruction electronic lock locking gate。
5. face recognition door control system as claimed in claim 4, it is characterised in that described main frame is additionally operable to when password authentification failure, returns authentication failed information to password verifier；
Described password verifier returns authentication failed information to user。
6. a face recognition door control system realizes method, it is characterised in that including:
Password verifier receives input password and is sent to main frame；
Main frame when described password authentification is correct, instruction camera collection face information；
Camera collection face information also returns to main frame；
Main frame is by the face information of camera collection and the face information comparison prestored, if comparison success, instruction electronic lock opens gate。
7. method as claimed in claim 6, it is characterised in that described method also includes:
Opening greatly behind the door, the head portrait of camera collection and the uncaging time of electronic lock are sent to default terminal by short message transceiving module。
8. method as claimed in claim 7, it is characterised in that described method also includes:
Short message transceiving module receives presets the instruction be sent to main frame unblanked that terminal sends；
Main frame opens gate according to instruction instruction electronic lock of unblanking。
9. method as claimed in claim 6, it is characterised in that described method also includes:
Main frame prestores face information by opencv picture processing program module and carries out recognition of face initialization, all default face information collected is carried out Facial Feature Analysis and is saved in feature database；
The face information comparison prestored in the face information that photographic head is sent by main frame and feature database, if comparison success, is verified, and instruction electronic lock opens gate, otherwise, and instruction electronic lock locking gate。
10. method as claimed in claim 6, it is characterised in that described method also includes:
Main frame, when password authentification failure, returns authentication failed information to password verifier；
Password verifier returns authentication failed information to user。
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| CN201410687158.0A CN105701885A (en) | 2014-11-25 | 2014-11-25 | Face identification access control system and implementation method thereof |
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| CN201410687158.0A CN105701885A (en) | 2014-11-25 | 2014-11-25 | Face identification access control system and implementation method thereof |
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