CN106557738B - A kind of long-distance iris identification device - Google Patents
A kind of long-distance iris identification device Download PDFInfo
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- CN106557738B CN106557738B CN201610857668.7A CN201610857668A CN106557738B CN 106557738 B CN106557738 B CN 106557738B CN 201610857668 A CN201610857668 A CN 201610857668A CN 106557738 B CN106557738 B CN 106557738B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
- G06V40/19—Sensors therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/94—Hardware or software architectures specially adapted for image or video understanding
- G06V10/95—Hardware or software architectures specially adapted for image or video understanding structured as a network, e.g. client-server architectures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
- G06V40/197—Matching; Classification
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Abstract
The invention discloses a kind of long-distance iris identification devices, comprising: shell equipped with touching display screen and distant range iris identification module and the middle control platform for being placed in the enclosure interior；The touching display screen is used to provide man-machine visual interactive interface for the middle control platform；The distant range iris identification module is used to acquire the iris image of user, and the iris image is transmitted to the middle control platform；The middle control platform is for monitoring iris recognition process, receive and process the iris image, complete iris recognition process, the present invention is integrated with distant range iris identification module, iris image can be captured in far range, user is compensated for the deficiency and the interference caused by iris imaging of strong ambient lighting of iris imaging when different angle progress iris recognition, to significantly enhance the effective distance of iris identification device.
Description
Technical field
The present invention relates to iris identification device fields.More particularly, to a kind of long-distance iris identification device.
Background technique
Iris recognition gradually has become bio-identification with its accuracy, stability, safety and the significant advantages such as untouchable
The research hotspot and development trend in field.As state-of-the-art new bio identification technology, iris recognition and fingerprint, face etc. its
Allogene identification technology is compared, and common people's degree of recognition and occupation rate of market be not high at present, and user experience is not in practical applications
Good is one of them important reason, and effective identification distance of the iris authentication system of mainstream is respectively less than 0.5m currently on the market,
And adjust the distance, the conditions such as posture, ambient lighting require stringent, therefore, distant range iris is known by some research institutions in recent years
Other technology has carried out correlative study, based on camera array and both distant range iris recognition systems are done based on rotary head
The problems such as extensive work, but there are still iris image resolution ratio is low, low-response, positioning is inaccurate, and in order to improve iris recognition
Distance makes entire iris authentication device volume become larger using plurality of devices, is unfavorable for practical application.Accordingly, it is desirable to provide a kind of remote
Distance iris identification device improves the effective distance of iris identification device, improves user experience and practicability.
Summary of the invention
At least one in order to solve problem above, the present invention provides a kind of long-distance iris identification devices, can effectively mention
High iris recognition distance increases user experience and practicability.
In order to achieve the above objectives, the present invention adopts the following technical solutions:
A kind of long-distance iris identification device characterized by comprising
Shell equipped with touching display screen and distant range iris identification module and the middle control platform for being placed in the enclosure interior；
The touching display screen is used to provide man-machine visual interactive interface for the middle control platform；
The distant range iris identification module is used to acquire the iris image of user, and the iris image is transmitted to
Control platform；
The middle control platform receives and processes the iris image, completes iris recognition for monitoring iris recognition process
Process.
Preferably, the distant range iris identification module includes multispectral high-sensitivity camera, big depth of field wide visual field fixed-focus
Camera lens, from all directions to annular near-infrared light source group, infrared absorption filter tabula rasa, semi-transparent semi-reflecting prompt mirror, indicator lamp groups and motion detection module.
Preferably, all directions to annular near-infrared light source group include using the big depth of field wide visual field tight shot as the center of circle
Eight near-infrared light sources of circular array.
Preferably, eight near-infrared light sources are alternately lighted so that often lighting the shooting of camera described in the light source
Multiple iris images extract different piece from multiple described iris images according to image quality and synthesize to obtain an iris image
Carry out iris recognition.
Preferably, it is issued when the multispectral high-sensitivity camera replaces and lights with eight near-infrared light sources infrared
The angle of light is 15 °~20 °.
Preferably, all directions to annular near-infrared light source group and the multispectral high-sensitivity camera synchronous lighting and is adopted
The frequency for collecting iris image is that 15 frames are per second or 20 frames are per second.
Preferably, the multispectral high-sensitivity camera is in all directions to after annular near-infrared light source group lighting-off
It takes a picture to user, acquires the facial image of user.
Preferably, the iris recognition process includes iris registration process and iris authentication process, the iris registration
Effective distance is 0.3m~0.5m, and the effective distance of the iris authentication is 0.5m~1m.
Preferably, described device further comprises being controlled by supervising for carrying out face authentication with real-time for the middle control platform
The high-definition camera of control.
Preferably, described device further comprises the multi-functional reading of the ID card information and finger print information for reading user
Card device module and loudspeaker for voice prompting and monitoring alarm.
Beneficial effects of the present invention are as follows:
The present invention is integrated with distant range iris identification module, carries out near-infrared photograph to annular near-infrared light source using all directions
It is bright, user is compensated in far range with the deficiency of iris imaging when different angle progress iris recognition and strong ambient lighting
It is interfered caused by iris imaging, to improve the effective distance of iris recognition, user experience is preferable, and the present invention is simultaneously
It combines face authentication and finger print identifying etc. and realizes multi-modal certification and monitoring alarm function, improve the spirit of iris identification device
Activity, safety and practicability, are conducive to marketing.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 shows a kind of structural schematic diagram of long-distance iris identification device disclosed by the invention.
Fig. 2 shows a kind of structures of the distant range iris identification module of long-distance iris identification device disclosed by the invention to show
It is intended to.
Fig. 3 shows a kind of process for using figure of long-distance iris identification device disclosed by the invention.
Specific embodiment
In order to illustrate more clearly of the present invention, the present invention is done further below with reference to preferred embodiments and drawings
It is bright.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that institute is specific below
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, of the invention refers to 1m at a distance, institute the invention discloses a kind of long-distance iris identification device
It states during device includes: shell 1 equipped with touching display screen 2 and distant range iris identification module 3 and be placed in inside the shell 1
Control platform 4.
The touching display screen 2 is used to provide man-machine visual interactive interface for the middle control platform 4；The touching display screen
2 can provide touch screen login system for administrator, and starting iris authentication may be selected in administrator after logging in by the touching display screen 2
Function then selected starting iris registering functional if user does not carry out iris registration, and the touching display screen 2 can be also management
Member provides other correlation functions selection during iris recognition.
The distant range iris identification module 3 is used to acquire the iris image of user, and the iris image is transmitted to
Middle control platform 4.As shown in Fig. 2, the distant range iris identification module 3 may include multispectral high-sensitivity camera 31, the big depth of field
Wide visual field tight shot 32, from all directions to annular near-infrared light source group 33, infrared absorption filter tabula rasa 34, semi-transparent semi-reflecting prompt mirror 35, instruction
Lamp group 36 and motion detection module 37.
The multispectral high-sensitivity camera 31 and the big depth of field wide visual field tight shot 32 are for carrying out iris image
Acquisition and man face image acquiring.
The all directions is used to carry out near infrared light source lighting to annular near-infrared light source group 33, including with the multispectral height
Sensitivity camera 31 is eight near-infrared light sources of center of circle circular array, when carrying out iris recognition, eight near-infrareds
Light source is alternately lighted so that often lighting multispectral high-sensitivity camera 31 described in the light source shoots multiple iris images,
The middle control platform 4 extracts different piece according to image quality from multiple described iris images and synthesizes to obtain an iris image
Carry out iris recognition.The all directions to annular near-infrared light source group 33 and multispectral 31 synchronous lighting of high-sensitivity camera and
Iris image is acquired, the synchronous lighting and the frequency for acquiring iris image are that 15 frames are per second or 20 frames are per second, described multispectral
The angle for the infrared light that high-sensitivity camera 31 issues when replacing and light with eight near-infrared light sources is 15 °~20 °.It is described
Multispectral high-sensitivity camera 31 in all directions to being taken a picture after annular 33 lighting-off of near-infrared light source group to user,
Acquire the facial image of user.Using all directions to annular near-infrared light source group 33 carry out illumination can mostly convenient for angle at
As dynamic compensation method synthesis iris image, prevents user from identifying with different angle and ambient lighting makes iris imaging by force
At interference.To effectively improve the distance of iris recognition, the iris authentication of long-distance iris identification device of the invention is effective
Distance is 0.5m~1m, much larger than the effective distance of other similar products 0.1m~0.4m；Iris registers effective distance as 0.3m
~0.5m, much larger than the registration distance of other similar products 0.1m~0.2m, as long as and user iris register it is effective away from
From it is interior watch attentively semi-transparent semi-reflecting prompt mirror 35 can be automatically performed in 2 seconds iris registration, in the effective distance of iris authentication
Iris authentication, the iris registration can be automatically performed in the semi-transparent semi-reflecting prompt mirror 35 that at least one eye occurs in 1 second
Excessively cooperate with user is not all needed during iris authentication, enhances the user experience of iris authentication device and practical
Property.
The infrared absorption filter tabula rasa 34 can filter out the impurity light source other than iris optimal imaging wave band.
Semi-transparent semi-reflecting 35 permeable infrared light of prompt mirror reflects visible light, and user's fixation position is prompted in iris recognition
It sets.
Indicator lamp groups 36 can pass through the color change consumer-oriented behaviour of different colours indicator light during iris recognition
Make.
Before the detectable long-distance iris identification device of motion detection module 37 whether someone, start dress if someone
It sets, device is made to enter standby mode with energy conservation if no one.
The middle control platform 4 receives and processes the iris image, completes iris recognition for monitoring iris recognition process
Process.The middle control platform 4 can be integrated on integrated circuit board, and the integrated circuit board is used to provide for middle control platform 4
Hardware support connects one to one with each component of the iris authentication device, to realize the middle control platform 4 and the dress
Information exchange between each component set, handles received image and information, with server database and/or local data
Library carries out data exchange, and each component for controlling described device carries out relevant operation, completes iris recognition process.The integrated electricity
Also settable network interface and USB interface for being swapped with external data on the board of road.
The long-distance iris identification device can further include high-definition camera 5, multifunctional card reader module 6, raise
Sound device 7.The high-definition camera 5 is used for face authentication and video monitoring.The multifunctional card reader module 6 is integrated with identity card
Card reader and fingerprint detector, for acquiring the ID card information and finger print information of user to be identified.The loudspeaker 7 is used for
Auditory tone cues and monitoring alarm are carried out during iris recognition.
High-definition camera 5 and multifunctional card reader module 6 also can be used in a kind of long-distance iris identification device, by rainbow
Film certification can carry out multi-modal certification in conjunction with face authentication, finger print identifying, and high-definition camera 5 can be used for face authentication and video
Monitoring, the dynamic menu before monitoring described device in real time, alarms to a suspect and malfeasance that stay for a long time, more
Function card reader module 6 is integrated with card reader of ID card and fingerprint detector.When carrying out iris registration, direct brush identity card record
The essential information of access customer, avoid be manually entered it is cumbersome.By a kind of long-distance iris identification device and identity card database
After networking, the information that iris is registered can also be associated with finger print information, together by the essential information of brush finger line typing user
Identity card database is written, is conducive to the construction of China next generation resident identity information total management system, while a kind of long distance
From iris identification device provide finger print identifying function, enrich the maltilevel security hierarchical selection of user, improve described device into
Speed, flexibility and the security level of row inclusive authentication.
The long-distance iris identification device further can also include be installed at the distant range iris identification module 3,
The tempered glass of 6 installation site front end of high-definition camera 5 and multifunctional card reader module.The tempered glass is to described remote
Iris recognition module 3, high-definition camera 5 and multifunctional card reader module 6 shield.
As shown in figure 3, being the operating process of a preferred embodiment of the present invention.In use, working as a kind of distant range iris
, can be automatically into iris authentication mode after identification device booting, the user for having carried out iris registration can directly carry out iris
Certification, the user for not carrying out iris registration, which needs first to carry out iris registration rear, can be carried out iris authentication.
When iris is registered, it is necessary first to which administrator operates touching display screen 2 and switches to iris register interface, starting iris note
Volume function.The yellow indicator lamp of indicator lamp groups 36 is lighted, and indicates that iris registering functional is normally-open；Loudspeaker 7 issues prompt
Voice " please brush identity card "；User needs identity card close to multifunctional card reader module 6, the multifunctional card reader module 6
Card reader of ID card can acquire the identity information of user to be registered, the body of the user of acquisition can be shown on touching display screen 2
Part information；Suggestion voice " mirror please be watch attentively " is spread out of in loudspeaker 7；User watches semi-transparent semi-reflecting prompt mirror 35 attentively at this time, keep from
It can be seen that the eyes of oneself in mirror；It is every with 15 frames to annular near-infrared light source group 33 and multispectral high-sensitivity camera 31 from all directions
The Frequency Synchronization of second illuminates and shoots multiple iris images, and spectrum at this time is close near iris optimal imaging wave band 850nm
Infrared light, while infrared absorption filter tabula rasa 34 can filter out the jamming light source of its all band；Pass through the rainbow of middle control 4 real time discriminating of platform synthesis
The image quality of film image, control loudspeaker 7 issue " please to former point ", " please little rearward ", " please be directed at mirror " or " please open
The suggestion voices such as big eyes " instruct user to adjust to optimal iris image acquiring position, until spreading out of prompt in loudspeaker 7
Voice " succeeds in registration ", and the green indicator light of indicator lamp groups 36 lights；Or exceeding set acquisition time, loudspeaker 7 issues
Suggestion voice " registration failure ", the red indicating light of indicator lamp groups 36 light, and prompt " please watch mirror attentively " at this time, re-start rainbow
Film registration, until iris succeeds in registration；From all directions to eight of annular near-infrared light source group 33 while prompt " succeeding in registration "
Near-infrared light source extinguishes, and multispectral high-sensitivity camera 31 captures the facial image under visible light；By the facial image of acquisition and
The iris image for extracting relevant portion synthesis from multiple iris images according to image quality carries out condition code coding, by iris figure
As information (including iris image and its condition code), face information (comprising facial image and its condition code) and ID card information
The comprehensive identity information database of deposit user after (including identity information and finger print information) binding, and user security grade is set,
For certain comprehensive identity informations of specific application selectively certification user；So far, iris registration finishes, and user can be into
Row iris authentication.
Default enters iris authentication mode after described device booting.Whether have before 37 real-time detection apparatus of motion detection module
People, if not detecting someone before device in 30s, device enters standby mode, at the yellow indicator lamp of indicator lamp groups 36
In OFF state；Until before motion detection module 37 detects that someone appears in device, the yellow indicator lamp point of indicator lamp groups 36
It is bright, indicate that iris authentication function is normally-open, middle control platform 4 triggers multimodal recognition and video monitoring mode.Carry out iris
When certification, loudspeaker 7 issues suggestion voice " please watch mirror attentively ", from all directions to annular near-infrared light source group 33 and multispectral highly sensitive
Degree camera 31 is with the Frequency Synchronization illumination per second of 20 frames and shoots multiple iris images, and spectrum at this time is iris optimal imaging wave
Near infrared light near section 850nm, infrared absorption filter tabula rasa 34 filter out the jamming light source of its all band；User watches semi-transparent semi-reflecting prompt attentively
Mirror 35 keeps at least seeing oneself one eye eyeball from mirror, the yellow indicator lamp flashing of indicator lamp groups 36, indicate into
Row iris authentication；It is alternately lighted on eight directions to annular near-infrared light source group 33 from all directions, dynamic is imaged using multi-angle and is mended
Repay the lower iris image of method fusion different directions illumination, prevent user identified with different angle and by force ambient lighting to rainbow
Film interferes caused by being imaged；" please to former point ", " please little rearward ", " mirror please be directed at " that user issues according to loudspeaker 7
Or the suggestion voices such as " please open eyes wide " adjust position, the iris authentication process can be combined with face authentication and finger print identifying
Carry out inclusive authentication.When carrying out face authentication, loudspeaker 7 issues suggestion voice " looking at screen ", 5 captured in real-time of high-definition camera
Human face photo is compared with the iris log-on data in database, i.e. progress recognition of face；The yellow of indicator lamp groups 36 indicates
Lamp flashing, expression are carrying out recognition of face, the signal language that user keeps watching the state of screen attentively, and spreads out of according to loudspeaker 7
Sound " please to former point " or " please little rearward " adjust position.When carrying out finger print identifying, outflow suggestion voice " is asked in loudspeaker 7
The finger print information that finger is attached to when registering in multifunctional card reader module 6 with iris is compared by brush finger line ", user.When it
In a certification pass through, judge whether to need to carry out other certifications according to the security level of active user, if met corresponding
Security level, then iris authentication passes through, loudspeaker 7 issue suggestion voice " certification passes through ", indicator lamp groups 36 green instruction
Lamp lights, and shows the basic identity information of screen display user；Conversely, entering the next item down certification according to corresponding security level；
If current certification does not pass through, and iris authentication has not timed out, then reenters currentitem certification；If iris authentication has surpassed
When, then judge whether active user stays for a long time；If active user stays for a long time, loudspeaker 7 sounds the alarm；Instead
It, assert that this iris authentication does not pass through, and loudspeaker 7 issues suggestion voice " authentification failure ", and reenters iris next time
Certification.
In iris registration, user security grade can be set as that " face authentication ", " face authentication+finger print identifying ", " face is recognized
The different safety class such as card+iris authentication " and " iris authentication " are recognized in important place or to emphasis investigation officer addition iris
Card.The present invention is applicable in different occasions, can be arranged according to the specific requirements of different occasions different safety class with setting is different recognizes
Card combination, has stronger practicability.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (7)
1. a kind of long-distance iris identification device characterized by comprising
Shell equipped with touching display screen and distant range iris identification module and the middle control platform for being placed in the enclosure interior；
The touching display screen is used to provide man-machine visual interactive interface for the middle control platform；
The distant range iris identification module is used to acquire the iris image of user, and the iris image is transmitted to middle control and is put down
Platform,
Wherein, the distant range iris identification module includes multispectral high-sensitivity camera, big depth of field wide visual field tight shot, eight
Direction annular near-infrared light source group, infrared absorption filter tabula rasa, semi-transparent semi-reflecting prompt mirror, indicator lamp groups and motion detection module, described eight
Direction annular near-infrared light source group includes close red using the big depth of field wide visual field tight shot as eight of center of circle circular array
Outer light source, eight near-infrared light sources are alternately lighted so that often lighting camera described in the light source shoots multiple irises
Image extracts different piece from multiple described iris images according to image quality and synthesizes to obtain an iris image progress iris
Identification；
The middle control platform receives and processes the iris image, completes iris recognition process for monitoring iris recognition process.
2. device according to claim 1, which is characterized in that the multispectral high-sensitivity camera and eight near-infrareds
The angle for the infrared light that light source issues when alternately lighting is 15 °~20 °.
3. device according to claim 2, which is characterized in that all directions is to annular near-infrared light source group and described multispectral
The frequency of high-sensitivity camera synchronous lighting and acquisition iris image is that 15 frames are per second or 20 frames are per second.
4. device according to claim 3, which is characterized in that the multispectral high-sensitivity camera is in all directions to annular
It takes a picture after the lighting-off of near-infrared light source group to user, acquires the facial image of user.
5. device according to claim 4, which is characterized in that the iris recognition process includes iris registration process and iris
Verification process, for the effective distance that the iris is registered as 0.3m~0.5m, the effective distance of the iris authentication is 0.5m~1m.
6. device according to claim 1, which is characterized in that described device further comprises being controlled by the middle control platform
For carrying out the high-definition camera of face authentication and real time monitoring.
7. device according to claim 1, which is characterized in that described device further comprises the identity card for reading user
The multifunctional card reader module of information and finger print information and loudspeaker for voice prompting and monitoring alarm.
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| CN201610857668.7A CN106557738B (en) | 2016-09-27 | 2016-09-27 | A kind of long-distance iris identification device |
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| CN107729831A (en) * | 2017-10-09 | 2018-02-23 | 北京无线电计量测试研究所 | A kind of embedded iris recognition terminal including its identifying system and recognition methods |
| CN109859338A (en) * | 2018-12-10 | 2019-06-07 | 北京无线电计量测试研究所 | A kind of multiterminal networking type iris recognition attendance checking system and method |
| CN113920591B (en) * | 2021-03-29 | 2024-06-14 | 北京邮电大学 | Middle-long distance identity authentication method and device based on multi-mode biological feature recognition |
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