CN106599647A - Computer access control system based on iris recognition identity authentication - Google Patents

Computer access control system based on iris recognition identity authentication Download PDF

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Publication number
CN106599647A
CN106599647A CN201610926993.4A CN201610926993A CN106599647A CN 106599647 A CN106599647 A CN 106599647A CN 201610926993 A CN201610926993 A CN 201610926993A CN 106599647 A CN106599647 A CN 106599647A
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iris
module
image
user
computer
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Inventor
韩梁
韩一梁
郭慧杰
王超楠
杨倩倩
杨昆
王凯让
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Beijing Institute of Radio Metrology and Measurement
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Beijing Institute of Radio Metrology and Measurement
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Priority to CN201610926993.4A priority Critical patent/CN106599647A/en
Publication of CN106599647A publication Critical patent/CN106599647A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31User authentication
    • G06F21/32User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161Detection; Localisation; Normalisation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/18Eye characteristics, e.g. of the iris

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Security & Cryptography (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Collating Specific Patterns (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

The invention discloses a computer access control system based on iris recognition identity authentication. The system comprises an iris collection module for collecting an iris image of a user; an iris image and operation level storage module for storing the iris image and an operation level; a facial image storage module for storing a facial image; an iris comparison module for comparing the collected iris image with the stored iris image, wherein if comparison succeeds, a shutdown request or a startup request carrying the operation level is sent; a startup and shutdown management module for controlling a computer to get into a corresponding subsystem according to the operation level when receiving the startup request and executing shutdown when receiving the shutdown request; a face collection module for collecting a facial image of the user during running of the computer; and a face comparison module for comparing the collected facial image with the stored facial image, wherein if comparison fails, a standby request is sent, and the startup and shutdown management module executes standby operation. Through the computer access control system, access permissions can be subjected to hierarchical control, and it is guaranteed that the computer is safe and controllable during running.

Description

A kind of computer access control system based on iris recognition identification certification
Technical field
The present invention relates to field of computer technology.More particularly, to a kind of calculating based on iris recognition identification certification Machine access control system.
Background technology
With the continuous development of computer technology, the popularity rate of computer has obtained greatly being lifted, and computer is in people Life in play more and more important role.But need to be controlled the access rights of computer in some occasions, Guarantee that the personnel having permission could use computer, such as in family life, child is needed under the supervision of father and mother using calculating Machine;In concerning security matters unit, relating computer can only be used by the people for having operating right.
The traditional means of control computer logon rights have password, USBkey etc., are required to user and remember or carry some Mark could obtain access right, and mark is easily lost, forgets or falsely used by others.Using some lifes of human body Thing feature then avoids problem above as the mark that computer authorizing is controlled, and iris identification has accuracy, noncontact Property, vivo identification the features such as, be especially suitable for being used for carrying out the control of computer access rights.But existing utilization iris identification skill The system that art carries out computer access control, simply simply differentiates that user has lack of competence to access the computer, not to visiting Ask authority carry out grading control, while also cannot ensure safely controllable during computer whole service.
Accordingly, it is desirable to provide a kind of carry out grading control to access rights and ensure that computer is whole from opening to closing The run duration computer access control system based on iris recognition identification certification safely controllable all the time.
The content of the invention
It is an object of the invention to provide access rights being carried out with grading control and ensureing computer from opening to closing All the time the safely controllable computer access control system based on iris recognition identification certification during whole service.
To reach above-mentioned purpose, the present invention adopts following technical proposals:
A kind of computer access control system based on iris recognition identification certification, including:Iris capturing module, iris figure Picture and operation level storage module, iris comparing module, switching on and shutting down management module, face acquisition module, facial image storage mould Block and face alignment module;
Iris capturing module, gathers the iris image of user;
Iris image and operation level storage module, storage has the iris image of the user of operating right and behaviour to computer Make grade;
Iris comparing module, will be pre- in the iris image of the user for collecting and iris image and operation level storage module The iris image for first storing is compared, if comparing successfully, from iris image and operation level storage module the use is extracted The operation grade at family simultaneously sends the power on request of the operation grade for carrying user or to switching on and shutting down management to switching on and shutting down management module Module sends shutdown request;
Switching on and shutting down management module, operation grade control when receiving power on request according to the user carried in power on request is counted Calculation machine is started shooting and enters the subsystem corresponding with the operation grade of user;When receiving shutdown request, power-off operation is performed;
Face acquisition module, when computer runs and be standby, Real-time Collection is operating the face figure of the user of computer Picture;
Facial image memory module, storage has the facial image of the user of operating right to computer;
Face alignment module, the facial image of the user for being arrived Real-time Collection with the first versus frequency when computer runs Compare with the facial image of this request start user prestored in facial image memory module, if failure is compared Standby request is sent to switching on and shutting down management module;To be adopted in real time with the first versus frequency into after standby lock-out state in computer The facial image of this request start user prestored in the facial image and facial image memory module of the user for collecting N times comparison is carried out, the request that unlocks is sent to switching on and shutting down management module if comparing successfully in comparing in n times, if n times are compared Compare failure and then send shutdown request to switching on and shutting down management module;
Switching on and shutting down management module, control computer enters standby lock-out state when receiving standby request;Receive and unlock Machine solution is controlled during request and removes standby lock-out state.
Preferably, the system also includes:
Fixed close module, the level of confidentiality of file or program in setting subsystem;
Real-time monitoring module, when computer runs real-time monitoring be opened or the file that runs or program level of confidentiality, if The file for being opened or running or the level of confidentiality of program are high, then send to the face alignment module and lift versus frequency signal;If The file for being opened or running or the level of confidentiality of program are low, then sending to the face alignment module reduces versus frequency signal;
The face alignment module, with second comparison higher than the first versus frequency after lifting versus frequency signal is received Frequency by Real-time Collection to user facial image and facial image memory module in this request start for prestoring use The facial image at family is compared;With threeth versus frequency lower than the first versus frequency after reduction versus frequency signal is received By Real-time Collection to user facial image and facial image memory module in this request start user that prestores Facial image is compared.
Preferably, in the subsystem file or the level of confidentiality of program is divided into six grades, and the real-time monitoring module is in meter When calculation machine runs real-time monitoring be opened or the file that runs or program level of confidentiality, if being opened or the file that runs or program Level of confidentiality is higher than Pyatyi, then send to the face alignment module and lift versus frequency signal;If the file for being opened or running or The level of confidentiality of program is less than two grades, then sending to the face alignment module reduces versus frequency signal.
Preferably, first versus frequency was once compared for 10~20 seconds, and second versus frequency is 2~5 Second is once compared, and the 3rd versus frequency was once compared for 30~40 seconds.
Preferably, the value for carrying out N in n times comparison is by user preset, and usually 20~30.
Preferably, the iris image and operation level storage module include iris of left eye image storage module, right eye rainbow Film image memory module and operation level storage module, are respectively used to store the left eye rainbow of the user for having computer operating right Film image, iris of right eye image and operation grade;
The iris comparing module, judges that the iris image that collects is iris of left eye image or iris of right eye image, If iris of left eye image, then iris comparing module is by the iris image of the user for collecting and iris of left eye image storage module In the iris of left eye image that prestores compare, if comparing successfully, from operation level storage module the user is extracted Operation grade and to switching on and shutting down management module send carry user operation grade power on request;If iris of right eye figure Picture, then iris comparing module by prestore in the client iris image for collecting and iris of right eye image storage module this The iris of right eye image of request start user is compared, if comparing successfully, to switching on and shutting down management module shutdown request is sent.
Preferably, the iris capturing module, iris image and operation level storage module and iris comparing module are integrated Realize in iris identification device hardware, the photographic head or external USB camera that the face acquisition module is carried by computer is hard Part realizes that the facial image memory module, face alignment module and switching on and shutting down management module are integrated in computer hardware realization.
Beneficial effects of the present invention are as follows:
(1) present invention carries out authentication, the opening and closing of control computer, safe and convenient, drop using iris identification Low computer is falsely used the probability closed by mistake with others, improves intelligence degree.
(2) on the same stage operation has multiple subsystems in computer, and the present invention distributes corresponding son according to the operation grade of user System for users to use, realizes the administration by different levels to user, it is ensured that relevant information can only be allowed for user and know and use, Improve the safety of computer system.
(3) present invention is cooperated using fixed close module with real-time monitoring module, is realized in same subsystem File carries out administration by different levels, on the premise of safety is ensured, can more discharge computer resource, lifts the operation of computer Speed.
(4) in computer running, the present invention is operating computer by face recognition technology, real-time monitoring Whether user is the user for asking start to log in, it is ensured that the safety of computer system run duration.
(5) present invention is respectively stored iris image point right and left eyes image, and iris image is only needed and left eye when comparing Or the iris image in the iris image memory module of right eye is compared, and saves comparison time, improves efficiency.
(6) present invention employs the mode that iris recognition technology and face recognition technology combine, it is ensured that computer from It is safely controllable all the time during opening the whole service closed.
Description of the drawings
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 illustrates the schematic diagram based on the computer access control system of iris recognition identification certification.
Fig. 2 illustrates the flow chart of the course of work based on the computer access control system of iris recognition identification certification.
Specific embodiment
In order to be illustrated more clearly that the present invention, the present invention is done further with reference to preferred embodiments and drawings It is bright.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below institute is concrete The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
As shown in figure 1, a kind of computer access control system based on iris recognition identification certification disclosed by the invention, bag Include:Iris capturing module, iris image and operation level storage module, iris comparing module, switching on and shutting down management module, face are adopted Collection module, facial image memory module and face alignment module;
Iris capturing module, gathers the iris image of user;
Iris image and operation level storage module, storage has the iris image of the user of operating right and behaviour to computer Make grade;
Iris comparing module, will be pre- in the iris image of the user for collecting and iris image and operation level storage module The iris image for first storing is compared, if comparing successfully, illustrate the iris image of the user already stored in iris image and In operation level storage module, the user has the authority of operation computer, then from iris image and operation level storage module It is middle extract the user operation grade and to switching on and shutting down management module send carrying user operation grade power on request or to Switching on and shutting down management module sends shutdown request;
Switching on and shutting down management module, operation grade when receiving power on request according to the user carried in power on request is controlled Computer booting simultaneously enters the subsystem corresponding with the operation grade of user;When receiving shutdown request, meter is Saved and Closed The program and/or file of calculation machine currently operation, performs power-off operation;
Face acquisition module, when computer runs, Real-time Collection is operating the facial image of the user of computer;
Facial image memory module, storage has the facial image of the user of operating right to computer;
Face alignment module, the facial image of the user for being arrived Real-time Collection with the first versus frequency when computer runs Comparing with the facial image of this request start user prestored in facial image memory module (carries out 1:1 ratio It is right), it is whether the user for having corresponding operating grade with the user for monitoring operation computer, if compare failing, illustrate face Acquisition module does not collect facial image (i.e. computer is currently unattended) or is operating the user of computer not have The user of corresponding operating grade, then send standby request to switching on and shutting down management module;Face alignment module is entered in computer Enter the facial image and facial image memory module of the user for arriving Real-time Collection with the first versus frequency after standby lock-out state In the facial image of this request start user that prestores carry out n times comparison, to opening if comparing successfully in comparing in n times Shutdown management module sends the request that unlocks, and sending shutdown to switching on and shutting down management module if n times are compared and compare failure please Ask;Wherein, the value of N is by user preset, and usually 20~30;
Switching on and shutting down management module, control computer enters standby lock-out state when receiving standby request;Receive and unlock Machine solution is controlled during request and removes standby lock-out state, computer recovers normal operation.
Wherein, also included based on the computer access control system of iris recognition identification certification:
Fixed close module, realizes that user arranges the level of confidentiality of any file in subsystem or program;
Real-time monitoring module, when computer runs real-time monitoring be opened or the file that runs or program level of confidentiality, if The file for being opened or running or the level of confidentiality of program are high, then send to face alignment module and lift versus frequency signal;If being beaten The file opened or run or the level of confidentiality of program are low, then sending to face alignment module reduces versus frequency signal;
For example, file or program are divided into six grades by user on demand, and are set:When the file or program that are opened or run Level of confidentiality when being higher than Pyatyi fixed close module send to face alignment module and lift versus frequency signal, when the text being opened or run The level of confidentiality of part or program is determined close module and sends reduction versus frequency signal to face alignment module when being less than two grades;
Face alignment module, when computer runs, with than the first versus frequency after lifting versus frequency signal is received The second higher versus frequency by Real-time Collection to user facial image and facial image memory module in prestore The facial image of this request start user is compared, further to improve the safety coefficient of computer run duration;In drop The face figure of the user for being arrived Real-time Collection with threeth versus frequency lower than the first versus frequency after low versus frequency signal As with facial image memory module in prestore this request start user facial image compare, it is more to discharge System resource, lifted the speed of service;Wherein, the first versus frequency is usually arranged as 10~20 seconds once being compared, and second Versus frequency is usually arranged as 2~5 seconds once being compared, and the 3rd versus frequency is usually arranged as 30~40 seconds once being compared It is right.
Iris image and operation level storage module include iris of left eye image storage module, iris of right eye image storage mould Block and operation level storage module, are respectively used to store iris of left eye image, the right eye of the user for having computer operating right Iris image and operation grade;Iris comparing module first judges that the iris image for collecting is the iris of left eye image for start Or be used for shutdown iris of right eye image, if for start iris of left eye image, then iris comparing module will collect User iris image and iris of left eye image storage module in the iris of left eye image that prestores compare, if comparing Success, then extract the operation grade of the user from operation level storage module and send carrying user to switching on and shutting down management module The power on request of operation grade;If for the iris of right eye image of shutdown, then iris comparing module is by the user's rainbow for collecting The iris of right eye image of this request start user prestored in film image and iris of right eye image storage module is compared It is right, if comparing successfully, to switching on and shutting down management module shutdown request is sent;Wherein, iris of left eye image and iris of right eye image It is respectively used to start shooting or shut down to be selected to set according to user.
Iris capturing module, iris image and operation level storage module and iris comparing module can be integrated in iris identification Device hardware realizes that the photographic head or external USB camera hardware that face acquisition module can be carried by computer is realized, face Image storage module, face alignment module and switching on and shutting down management module can be integrated in computer hardware realization, iris identification device and Communicated by the one kind in the communication modes such as USB, netting twine, bluetooth, wireless between computer.
As shown in Fig. 2 the course of work of the above-mentioned computer access control system based on iris recognition identification certification is:
Computer system is initially located in closed mode, and iris capturing module, iris are directed at left eye when user needs start Acquisition module gathers the iris of left eye image of user;
Iris comparing module will be prestored in the iris of left eye image for collecting and iris of left eye image storage module Iris of left eye image is compared, if comparing successfully, the operation grade for extracting the user from operation level storage module is simultaneously The power on request of the operation grade for carrying user is sent to switching on and shutting down management module;If comparing failure, power on request is not sent And the iris image that wait is gathered next time;
Operation grade when switching on and shutting down management module receives power on request according to the user carried in power on request is controlled Computer booting simultaneously enters the subsystem corresponding with the operation grade of user;
After computer system brings into operation, face acquisition module starts the user that Real-time Collection is operating computer Facial image, at the same real-time monitoring module real-time monitoring be opened or the file that runs or program level of confidentiality and control face alignment Module with different versus frequencies by Real-time Collection to user facial image and facial image memory module in prestore The facial image of user of this request start carry out 1:1 compares:If comparing failure, send to switching on and shutting down management module and treat Machine is asked, and control computer enters standby lock-out state when switching on and shutting down management module receives standby request;When computer is in During standby lock-out state, face alignment module still proceeds 1 on backstage:1 compares, if the n times in user preset compare number of times It is interior, face alignment success, then computer unlock, into normal operating condition.If the n times of user preset have compared number of times Arrive, face alignment is still unsuccessful, then send shutdown request to switching on and shutting down management module, switching on and shutting down management module performs shutdown behaviour Make.Wherein comparing times N can voluntarily be preset by user, and generally predeterminable is 20~30 times;
When user is using finishing computer and needing to close, iris capturing module is directed at right eye, iris capturing module adopts The iris of right eye image of collection user;
Iris comparing module will be prestored in the iris of right eye image for collecting and iris of right eye image storage module The iris of right eye image of this request start user carries out 1:1 compares, if comparing successfully, sends to switching on and shutting down management module and closes Machine is asked, and switching on and shutting down management module Saves and Closes current file or program, performs power-off operation;If comparing failure, Shutdown request is not sent.
Example is improved as further, the above-mentioned computer access control system based on iris recognition identification certification also may be used Manager's subsystem is set up in computer systems, the meter that manager's subsystem be able to can be accessed other subsystems Calculation machine resource is set and is controlled.
As further improved example, in the above-mentioned computer access control system based on iris recognition identification certification Each computer subsystem can record the use habit of user, and when detecting same user and logging on, subsystem can Some are carried out according to user's use habit for user automatically to arrange and operation.
The present invention realizes the computer to the control of authority that needs to conduct interviews using iris identification and face recognition technology Hierarchical security management and during realizing whole service of the computer system from opening to closing, all the time in security control State.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms, all of embodiment cannot be exhaustive here, it is every to belong to this Obvious change that bright technical scheme is extended out changes row still in protection scope of the present invention.

Claims (8)

1. a kind of computer access control system based on iris recognition identification certification, it is characterised in that the system includes:Iris Acquisition module, iris image and operation level storage module, iris comparing module, switching on and shutting down management module, face acquisition module, Facial image memory module and face alignment module;
Iris capturing module, gathers the iris image of user;
Iris image and operation level storage module, storage has the iris image of the user of operating right and operation etc. to computer Level;
Iris comparing module, will in advance deposit in the iris image of the user for collecting and iris image and operation level storage module The iris image of storage is compared, if comparing successfully, extracts the user's from iris image and operation level storage module Operation grade simultaneously sends the power on request of the operation grade for carrying user or to switching on and shutting down management module to switching on and shutting down management module Send shutdown request;
Switching on and shutting down management module, according to the operation grade control computer of the user carried in power on request when receiving power on request Start shooting and enter the subsystem corresponding with the operation grade of user;When receiving shutdown request, power-off operation is performed;
Face acquisition module, when computer runs and be standby, Real-time Collection is operating the facial image of the user of computer;
Facial image memory module, storage has the facial image of the user of operating right to computer;
Face alignment module, the facial image of the user for being arrived Real-time Collection with the first versus frequency when computer runs and people The facial image of this request start user prestored in face image memory module is compared, to opening if failure is compared Shutdown management module sends standby request;After computer enters standby lock-out state Real-time Collection is arrived with the first versus frequency User facial image and facial image memory module in the facial image of this request start user that prestores carry out N Secondary comparison, the request that unlocks is sent if comparing successfully in comparing in n times to switching on and shutting down management module, if n times are compared comparing Then shutdown request is sent to switching on and shutting down management module to failure;
Switching on and shutting down management module, control computer enters standby lock-out state when receiving standby request;Receive the request that unlocks When control machine solution remove standby lock-out state.
2. the computer access control system based on iris recognition identification certification according to claim 1, it is characterised in that The system also includes:
Fixed close module, the level of confidentiality of file or program in setting subsystem;
Real-time monitoring module, when computer runs real-time monitoring be opened or the file that runs or program level of confidentiality, if being beaten The file opened or run or the level of confidentiality of program are high, then send to the face alignment module and lift versus frequency signal;If being beaten The file opened or run or the level of confidentiality of program are low, then sending to the face alignment module reduces versus frequency signal;
The face alignment module, with second versus frequency higher than the first versus frequency after lifting versus frequency signal is received By Real-time Collection to user facial image and facial image memory module in this request start user that prestores Facial image is compared;Will be real with threeth versus frequency lower than the first versus frequency after reduction versus frequency signal is received When the facial image of user that collects and facial image memory module in the face of this request start user that prestores Image is compared.
3. the computer access control system based on iris recognition identification certification according to claim 2, it is characterised in that The level of confidentiality of file or program in the subsystem is divided into six grades, and the real-time monitoring module is supervised in real time when computer runs Survey be opened or the file that run or program level of confidentiality, if being opened or the level of confidentiality of the file that runs or program is higher than Pyatyi, Send to the face alignment module and lift versus frequency signal;If the level of confidentiality of the file for being opened or running or program is less than two Level, then sending to the face alignment module reduces versus frequency signal.
4. according to arbitrary described computer access control system based on iris recognition identification certification in claims 1 to 3, its It is characterised by, first versus frequency was once compared for 10~20 seconds.
5. the computer access control system based on iris recognition identification certification according to Claims 2 or 3, its feature exists In first versus frequency was once compared for 10~20 seconds, and second versus frequency was once compared for 2~5 seconds Right, the 3rd versus frequency was once compared for 30~40 seconds.
6. the computer access control system based on iris recognition identification certification according to claim 1, it is characterised in that The value for carrying out N in n times comparison is 20~30.
7. the computer access control system based on iris recognition identification certification according to claim 1, it is characterised in that The iris image and operation level storage module include iris of left eye image storage module, iris of right eye image storage module and Operation level storage module, is respectively used to store iris of left eye image, the iris of right eye of the user for having computer operating right Image and operation grade;
The iris comparing module, judges that the iris image that collects is iris of left eye image or iris of right eye image, if Iris of left eye image, then iris comparing module will be pre- in the iris image of the user for collecting and iris of left eye image storage module The iris of left eye image for first storing is compared, if comparing the behaviour that the user is successfully extracted from operation level storage module Make grade and send the power on request of the operation grade for carrying user to switching on and shutting down management module;If iris of right eye image, then Iris comparing module is by this request prestored in the client iris image for collecting and iris of right eye image storage module The iris of right eye image of start user is compared, if comparing successfully, to switching on and shutting down management module shutdown request is sent.
8. the computer access control system based on iris recognition identification certification according to claim 1, it is characterised in that The iris capturing module, iris image and operation level storage module and iris comparing module are integrated in iris identification device hardware Realize, the photographic head or external USB camera hardware that the face acquisition module is carried by computer is realized, the face figure Realize as memory module, face alignment module and switching on and shutting down management module are integrated in computer hardware.
CN201610926993.4A 2016-10-31 2016-10-31 Computer access control system based on iris recognition identity authentication Pending CN106599647A (en)

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CN107315937A (en) * 2017-06-08 2017-11-03 努比亚技术有限公司 A kind of method for secret protection, mobile terminal and computer-readable recording medium
CN107491678A (en) * 2017-08-16 2017-12-19 合肥庆响网络科技有限公司 Computer iris recognition start-up system
CN108197460A (en) * 2017-12-28 2018-06-22 浙江德景电子科技有限公司 A kind of security system active user method for authenticating
CN109241699A (en) * 2018-07-27 2019-01-18 安徽云图信息技术有限公司 Authorizing secure auditing system
CN109446781A (en) * 2018-11-06 2019-03-08 北京无线电计量测试研究所 A kind of iris encryption data storage device and method
CN109711126A (en) * 2019-01-03 2019-05-03 黄河科技学院 A kind of computer information safe management system and method
CN112672119A (en) * 2019-10-15 2021-04-16 许桂林 Intelligent projector with camera shooting function and personal health data generation method

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Application publication date: 20170426