CN106295536A - A kind of self-adapting type iris identification device and utilize the method that this device carries out iris identification - Google Patents
A kind of self-adapting type iris identification device and utilize the method that this device carries out iris identification Download PDFInfo
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- CN106295536A CN106295536A CN201610624851.2A CN201610624851A CN106295536A CN 106295536 A CN106295536 A CN 106295536A CN 201610624851 A CN201610624851 A CN 201610624851A CN 106295536 A CN106295536 A CN 106295536A
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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
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/50—Maintenance of biometric data or enrolment thereof
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Abstract
The invention discloses a kind of self-adapting type iris identification device, including lifting rotation bar and the first housing being arranged on lifting rotation bar, in the first housing, be provided with central processing unit, iris capturing device, sound-producing device and the motor-driven lens matched with iris capturing device；Circumferential direction along described lifting rotation bar is also evenly arranged with four human face detection device, and human face detection device includes the second housing, is provided with the wide visual field camera being electrically connected with described central processing unit in the second housing.The present invention is coordinated by wide visual field camera and lifting rotation bar, solves current existing iris identification device and does not adapt to the problem that different height user uses, and solves simultaneously and needed user to go to the problem that the dead ahead of device just can complete identification in the past.
Description
Technical field
The present invention relates to a kind of self-adapting type iris identification device and the method utilizing this device to carry out iris identification.
Background technology
Iris recognition technology, as a kind of new authentication means, the most gradually comes into the life of people.Due to iris
Identification technology has many advantages such as: non-contact capture, accuracy of identification be high, can be with In vivo detection etc., and therefore it is gradually subject to
Favor to people.Meanwhile, the most also occur in that more and more many iris identification products, be used for gathering the iris of people
Information, for iris identification process.
Iris identification product category the most on the market is more, but all there is following defect: 1, do not adapt to different height
The use demand of user, even if having the iris identification product of angle regulation function, also needing user to bow and coordinating；2, existing
Some iris identification products are both needed to user and go to the dead ahead of device, just can complete iris identification.3, can not adopt under intense light irradiation
Collect qualified iris image, and then affect recognition speed；4, in the environment that low-light or unglazed photograph etc. are the darkest, some
The user that optical fundus photoperceptivity is more weak, pupil can become relatively big, cause existing iris identification product identification speed to decline even
Rejection.5, the infrared light supply in existing iris identification product is when working long hours or be in hot environment, and light-source temperature is continuous
Raise, and then cause the phenomenons such as the reduction of its luminous efficiency, luminous frequency spectrum drift, thus affect speed and the precision of iris identification.
Defect based on above-mentioned prior art, and then need to provide a kind of new iris identification device, it should have can
Adapt to different height, different azimuth user uses, and does any cooperation without user during iris identification, and user only need to be at rainbow
Naturally look squarely front in the operating distance of film identification device and can carry out the function of iris identification, and this new iris identification dress
Put also need to can solve the problem that under intense light irradiation, under low-light the most unglazed according to time iris identification speed is slow or rejection, infrared light
The problem such as luminous efficiency reduction, luminescence frequency spectrum drift when source works long hours.
Summary of the invention
First technical problem that the invention solves the problems that is to provide a kind of self-adapting type iris identification device；This device passes through
Wide visual field camera coordinates with lifting rotation bar, solves current existing iris identification device and does not adapt to different height user and make
Problem, solve simultaneously and needed user to go to the problem that the dead ahead of device just can complete to identify in the past, and this device is also
Solve existing iris identification device under intense light irradiation, under low-light the most unglazed according to time the asking of the slow the most even rejection of recognition speed
Topic, and the problem such as luminous efficiency reduction, luminescence frequency spectrum drift when infrared light supply works long hours.
Second technical problem that the invention solves the problems that is to provide one and utilizes above-mentioned iris identification device to carry out iris knowledge
Method for distinguishing；The method can carry out oneself height, orientation by automatic elevating rotary by utilizing iris identification device in the present invention
The feature adjusted, solves existing iris identification device and does not adapt to the problem that different height user uses, solve simultaneously
Existing identification device is both needed to user and goes to the problem that the dead ahead of device could identify, and does any without user by the method
Coordinating, can carry out iris identification, shortening conventional user needs repeatedly to adjust position and just can complete the process of iris identification, carries
High Consumer's Experience.
For solving above-mentioned first technical problem, the present invention uses following technical proposals:
A kind of self-adapting type iris identification device, described iris identification device includes lifting rotation bar and is arranged on described liter
The first housing on fall swingle, this first housing can match with described lifting rotation bar and move up and down lifting and rotation
Turn；
Be provided with in described first housing central processing unit, iris capturing device, sound-producing device and with described iris capturing device phase
The motor-driven lens coordinated；The lift rotary driving device of described lifting rotation bar, iris capturing device, sound-producing device and motor-driven lens
All it is electrically connected with described central processing unit；The front panel of described first housing be provided with for perception external environment condition brightness and then
The luminance sensor of motor-driven lens aperture is adjusted by central processing unit, and for measurement user distance in real time and then by central authorities
Processor adjusts the range sensor of motor-driven lens focal length；Described luminance sensor and described range sensor respectively with described in
Central processor is electrically connected with；
Mate on described motor-driven lens is provided with an installing plate, and this installing plate is provided with the infrared light being evenly distributed
Source；The critesistor for reducing described infrared light supply caloric value all it is in series with on each branch road of described infrared light supply；
Circumferential direction along described lifting rotation bar is also evenly arranged with four human face detection device, and described Face datection fills
Put and include the second housing, in described second housing, be provided with the wide visual field camera being electrically connected with described central processing unit.
Being provided with four human face detection device in the present invention, the angle between human face detection device is 90 degree two-by-two, often
Wide visual field camera in the individual human face detection device angle of visual field in the horizontal direction is 95 degree, and such four human face detection device exist
The synthesis angle of visual field of horizontal direction is 380 degree, i.e. ensure personnel to be identified at arbitrary orientation, at least a wide visual field camera can
Complete facial image to be detected；The present invention, by arranging four human face detection device, utilizes the width in human face detection device
Visual field camera, it is achieved that all standing to horizontal direction optional position, can be without any cooperation of user, and real-time perception is the most square
The personnel to be identified that position exists, thus control iris capturing device and rotate to corresponding orientation, complete iris identification, solve existing
Device is both needed to user and goes to the problem that the dead ahead of device just can complete iris identification.
Further, the front panel of described first housing offering the first breach, this first indentation, there is provided with infrared
Filter；Offering the second breach on described infrared absorption filter tabula rasa, this second indentation, there is provided with semi-transparent semi-reflecting lens.
Further, described infrared absorption filter tabula rasa and described semi-transparent semi-reflecting lens are that center superposition is arranged, described motor-driven lens position
In rear, described semi-transparent semi-reflecting lens interior plate face, described infrared light supply is arranged on the rear, interior plate face of described infrared absorption filter tabula rasa,
And the camera lens place plane of described motor-driven lens is parallel to each other with semi-transparent semi-reflecting lens, and the camera lens place plane of described motor-driven lens
And the distance between semi-transparent semi-reflecting lens is 3cm-5cm；The purpose so arranged is, the focal length for motor-driven lens finely tunes reserved one
A little spaces, avoid the semi-transparent semi-reflecting lens abrasion to motor-driven lens simultaneously.
Further, the front panel of described second housing offering the 3rd breach, the 3rd indentation, there is provided with organic
Glass plate, described wide visual field camera is provided around the visible light source being evenly distributed, described wide visual field camera and described visible
Radiant is respectively positioned on rear, described machine glass plate interior plate face, and the camera lens of wide visual field camera and poly (methyl methacrylate) plate center superposition,
Distance between the two is 3mm-5mm.Visible light source is for coordinating with luminance sensor, at the extraneous relatively low time point of ambient brightness
Bright, first ensure that iris capturing device can collect facial image clearly under unglazed photograph or low-light environment；Secondly, carry
Rise ambient brightness so that the contracted pupil of personnel to be identified, improve the recognition speed of iris identification device.
In the present invention, internal the first housing being provided with iris capturing device is arranged on elevating lever, upper by lifting rotation bar
Lower regulatory function, described first housing can move up and down lifting, so that iris capturing device can adapt to different height user
Use demand, by the rotation of lifting rotation bar, described first housing 360 can rotate in horizontal plane, so that rainbow
Film harvester can adapt to the use demand of different azimuth user, is provided with brightness sensing on the front panel of the first housing simultaneously
Device and range sensor, the brightness by perception ambient light of this luminance sensor, monochrome information is passed to central processing unit, central authorities
Processor controls the aperture of motor-driven lens on iris capturing device according to monochrome information and shrinks, so that the iris image of shooting
Luminance constant, it is to avoid the intense light irradiation interference to system, if ambient light is relatively low, central processing unit can control visible ray light
Source point is bright, promotes ambient brightness, not only makes wide visual field camera also can photograph facial image clearly under low illumination conditions,
And make the contracted pupil of user, reduce the deformation of iris image, improve recognition speed, it is to avoid low-light is the most unglazed
According to the impact on system.The distance between user and iris identification device measured in real time by range sensor, central processing unit according to
Range information controls motor-driven lens and carries out zoom, thus obtains iris image clearly further.
Heretofore described installing plate is affixed with the sidewall in described first housing, at plate body and the described iris of installing plate
The position that on harvester, motor-driven lens is corresponding is provided with breach, and this breach is used for guaranteeing that motor-driven lens is coaxial with semi-transparent semi-reflecting lens
Coupling.
On each branch road of described infrared light supply, the critesistor of series connection it is equipped with, for a long time additionally, due to the present invention
During work, the temperature of critesistor can constantly raise, and the resistance of critesistor can constantly become big along with the rising of temperature, so that
The electric current of the infraluminescence pipe that must flow through infrared light supply diminishes, and then can reduce the temperature of infraluminescence pipe so that infrared light
Source entirety caloric value reduces, and improves the whole lighting efficiency of infrared light supply, it is ensured that luminous frequency spectrum does not offsets, thus improves identification
Precision, adds Consumer's Experience.
For solving above-mentioned second technical problem, the present invention uses following technical proposals:
A kind of method utilizing above-mentioned self-adapting type iris identification device to carry out iris identification, the method includes:
S1, utilize the brightness of luminance sensor real-time perception iris identification device local environment, and utilize four wide visual field
Whether camera calibration iris identification device whether people are around face exists, thus judge with the presence of personnel to be identified, if having, wide
Personnel's azimuth information to be identified is passed to central processing unit by visual field camera, and central processing unit controls internal setting by lifting rotation bar
There is the first housing lifting rotation of iris capturing device to the position that iris capturing device can be allowed to gather personnel's iris to be identified, and then
Performing step S2, if nothing, then iris identification device keeps state to be identified；
Wide visual field camera in S2, the second housing corresponding with orientation, personnel place to be identified in utilization is to people to be identified
On the basis of member carries out Face datection, obtain current personnel's face location to be identified, central processing unit base in conjunction with range sensor
In face location, obtain human eye feature, and position position of human eye；
S3, central processing unit position of human eye based on current personnel to be identified, utilizes motor-driven lens and iris capturing device
Coordinate the iris image information gathering personnel to be identified；
S4, central processing unit iris templates based on pre-stored, compares to the iris image information of personnel to be identified
Identifying, if identifying, successfully, then sound-producing device sends voice message, if identifying unsuccessful, then repeats step S2 to S4.
Further, described step S2 farther includes, and central processing unit is by the people to be identified captured by wide visual field camera
The face image of member stores, in case manager checks.
Further, described step S3, particularly as follows: central processing unit position of human eye based on current personnel to be identified, utilizes
The brightness of the iris identification device local environment of luminance sensor real-time perception and to utilize range sensor to obtain the most to be identified
The range information of personnel, central processing unit according to monochrome information and range information control respectively motor-driven lens carry out aperture adjustment and
Lens zoom adjusts, so that iris capturing device can collect the iris image information of personnel the most to be identified.
Further, described step S4 farther includes, if continuous three iris identification are the most unsuccessful, then it is assumed that this waits to know
Others' member is unregistered personnel, and wide visual field camera directly by the face image of captured personnel to be identified, is stored into centre
In reason device, and sound-producing device sends voice message.
The present invention compared with prior art, has a following actively beneficial effect:
1, the present invention is uniformly put at 90 degree of horizontal plane interval by four wide visual field cameras, it is achieved that appoint horizontal direction
The all standing of meaning position, the personnel to be identified that can exist with any orientation of real-time perception, thus make rainbow by lifting rotation bar
Film harvester rotates to corresponding orientation, completes iris identification, it is not necessary to any cooperation of user, solves existing apparatus and is both needed to user
Go to the problem that the dead ahead of device just can complete iris identification.
2, the present invention is by using wide visual field camera quickly to position human eye height, and by between itself and lifting rotation bar
Coordinating, the height automatically adjusting iris capturing device deacclimatizes the user of different height, and then does any cooperation without user, strengthens
Consumer's Experience, solves existing iris identification device and does not adapt to the problem that different height user uses.
3, present invention employs coordinating of luminance sensor and motor-driven lens, it is suppressed that the intense light irradiation impact on equipment, open up
The wide application scenarios of equipment, solve that existing iris identification device recognition speed under intense light irradiation the most even can not identify asks
Topic.
4, the present invention uses coordinating of luminance sensor and visible light source, solves user's pupil size under low-light and becomes
Big problem, thus reduce the deformation of client iris image, improve recognition speed, enhance Consumer's Experience, having widened should
Use scene.
5, the present invention utilizes range sensor to measure the distance of user distance device in real time, and by adjusting motor-driven lens
Focal length deacclimatizes the user of different distance, improves the operating distance of iris identification device.
6, the present invention adds critesistor in the circuit of infrared light supply, it is to avoid the infraluminescence pipe in infrared light supply
When working long hours or be in hot environment, constantly raising with environment and own temperature, the luminous efficiency caused reduces, luminous frequency
The phenomenons such as Frequency bias, improve the iris identification device recognition efficiency when long-time or big temperature difference environment works and precision.
Accompanying drawing explanation
Fig. 1 is the surface structure schematic diagram of the present invention.
Fig. 2 is one of internal structure schematic diagram of the present invention.
Fig. 3 is the two of the internal structure schematic diagram of the present invention.
Fig. 4 is that the present invention uses state reference map.
Fig. 5 is the method flow diagram of iris identification provided by the present invention.
Detailed description of the invention
The detailed description of the invention of the present invention is described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of self-adapting type iris identification device, described iris identification device includes lifting rotation bar 1
With the first housing 2 being arranged on described lifting rotation bar 1, this first housing 2 can match with described lifting rotation bar 1 and carry out
Move up and down lifting and rotate；Offering the first breach on the front panel of described first housing 2, this first indentation, there is provided with
Infrared absorption filter tabula rasa 21；Offering the second breach on described infrared absorption filter tabula rasa 21, this second indentation, there is provided with semi-transparent semi-reflecting lens 22,
Described infrared absorption filter tabula rasa 21 is arranged in center superposition with described semi-transparent semi-reflecting lens 22.
Be provided with in described first housing 2 central processing unit 3, iris capturing device 4, sound-producing device 5 and with described iris capturing
The motor-driven lens 41 that device 4 matches；The lift rotary driving device of described lifting rotation bar 1, iris capturing device 4, sound-producing device 5
All it is electrically connected with described central processing unit 3 with motor-driven lens 41；On described motor-driven lens 41, coupling is provided with an installation
Plate 411, this installing plate 411 is provided with the infrared light supply 6 being evenly distributed；All connect on each branch road of described infrared light supply 6
There is the critesistor 61 for reducing described infrared light supply 6 caloric value；
It is additionally provided with for perception external environment condition brightness on the front panel of described first housing 2 and then adjusts for central processing unit 3
Whole motor-driven lens 41 aperture and control visible light source 81 light provide foundation luminance sensor 23, and measure in real time
User distance and then adjust the range sensor 24 of motor-driven lens 41 focal length by central processing unit 3；Described luminance sensor 23
It is electrically connected with described central processing unit 3 respectively with described range sensor 24.
Further, described motor-driven lens 41 is positioned at rear, described semi-transparent semi-reflecting lens 22 interior plate face, described infrared light supply 6
It is arranged on the rear, interior plate face of described infrared absorption filter tabula rasa 21；And the camera lens place plane of described motor-driven lens 41 is with semi-transparent semi-reflecting
Mirror 22 is parallel to each other, and the distance between the camera lens place plane of described motor-driven lens 41 and semi-transparent semi-reflecting lens 22 is 3cm-5cm.
Circumferential direction along described lifting rotation bar 1 is also evenly arranged with four human face detection device, described Face datection
Device includes the second housing 7, and the front panel of this second housing 7 offers the 3rd breach, and the 3rd indentation, there is provided with organic
Glass plate 71；The wide visual field camera 8 being electrically connected with described central processing unit 3, this wide visual field phase it is provided with in described second housing 7
Machine 8 is provided around the visible light source 81 being evenly distributed, and described wide visual field camera 8 and described visible light source 81 are respectively positioned on institute
State rear, machine glass plate 71 interior plate face.
Being provided with four human face detection device in the present invention, the angle between human face detection device is 90 degree two-by-two, often
Wide visual field camera 8 in the individual human face detection device angle of visual field in the horizontal direction is 95 degree, such four human face detection device
The synthesis angle of visual field in the horizontal direction is 380 degree, i.e. ensure personnel to be identified at arbitrary orientation, an at least wide visual field camera
8 can detect complete facial image；And then the personnel to be identified that can exist with real-time perception arbitrary orientation, thus control rainbow
Film harvester 4 rotates to corresponding orientation, completes iris identification, it is not necessary to any cooperation of user, solves existing apparatus and is both needed to use
The problem that the dead ahead of device just can complete iris identification is gone at family.
If Fig. 1 is to shown in 5, a kind of method utilizing above-mentioned self-adapting type iris identification device to carry out iris identification, the party
Method includes:
S1, utilize the brightness of luminance sensor 23 real-time perception iris identification device local environment, and utilize four wide to regard
Whether camera 8 detects iris identification device whether people are around that face exists, thus judge with the presence of personnel to be identified, if
Having, personnel's azimuth information to be identified is passed to central processing unit 3 by wide visual field camera 8, and central processing unit 3 is by lifting rotation bar 1
Control internal the first housing 2 lifting rotation of iris capturing device 4 that is provided with to iris capturing device 4 can be allowed to gather personnel's rainbow to be identified
The position of film, and then perform step S2, if nothing, then iris identification device keeps state to be identified；
Wide visual field camera 8 in S2, the second housing 7 corresponding with orientation, personnel place to be identified in utilization is to be identified
On the basis of personnel carry out Face datection, obtaining current personnel's face location to be identified in conjunction with range sensor 24, central authorities process
Device 3, based on face location, obtains human eye feature, and positions position of human eye；And simultaneously central processing unit 3 by wide visual field camera 8 institute
The face image of the personnel to be identified of shooting stores, in case manager checks；
S3, central processing unit 3 position of human eye based on current personnel to be identified, utilizes luminance sensor 23 real-time perception
The brightness of iris identification device local environment and utilize range sensor 24 to obtain the range information of current personnel to be identified, central authorities
Processor 3 controls motor-driven lens 41 respectively according to monochrome information and range information and carries out aperture adjustment and lens zoom adjustment, from
And make iris capturing device 4 can collect the iris image information of personnel the most to be identified.
S4, central processing unit 3 iris templates based on pre-stored, compares to the iris image information of personnel to be identified
Identifying, if identifying successfully, then sound-producing device 5 sends voice message, if identifying unsuccessful, then repeats step S2 to S4.
Described step S4 farther includes, if continuous three iris identification are the most unsuccessful, then it is assumed that these personnel to be identified are
Unregistered personnel, wide visual field camera 8, directly by the face image of captured personnel to be identified, is stored in central processing unit 3,
And sound-producing device 5 sends voice message.
Iris identification device provided by the present invention and method, when actually used, luminance sensor 23 can real-time perception
The brightness of iris identification device local environment, constantly adjusts the aperture of motor-driven lens 41 so that this iris identification device can be
The environment that brightness is stronger uses, it is to avoid the intense light irradiation impact on equipment in Outdoor Scene；When outside luminance sensor 23 perception
When boundary's brightness is dark, visible light source can be controlled by central processing unit 3 and light 81 so that iris identification device is at dark ring
Also can be quickly completed iris identification under border, wide visual field camera 8 also can collect facial image clearly in dark surrounds, for people
Prepare in eye location；Range sensor 24 can obtain the distance of user distance iris capturing device 4, constantly adjusts motor-driven lens 41
Focal length so that iris identification device can photograph the iris information of different distance user.When this iris identification device arranges four
During individual wide visual field camera 8, four wide visual field cameras 8 can cover the optional position of horizontal plane, for determining the orientation letter of user
Breath, simultaneously because wide visual field camera 8 vertical areas imaging is relatively big, so the wide visual field camera 8 of corresponding orientation can quickly be determined
Position height residing for eyes of user, and then adjust the height of lifting rotation bar 1 so that the iris capturing device 4 in the first housing 2 can
To meet different height, the use demand of orientation user in real time.
And owing to infrared light supply 6 is when working long hours, temperature can raise, and causes luminous efficiency to decline, spectral shift, from
And affecting speed and the precision of iris identification, the present invention is all in series with for reducing described on each branch road of infrared light supply 6
The critesistor 61 of infrared light supply 6 caloric value, by the addition of critesistor 61 so that the temperature of infrared light supply 6 is in one
Among dynamic balance, thus improve recognition efficiency when equipment works in long-time or big temperature difference environment and precision.
Iris identification device the most provided by the present invention is by increasing wide visual field camera on existing iris identification device
8, luminance sensor 23, range sensor 24 and critesistor 61, and utilize between these devices and existing iris identification device
Cooperation so that iris identification device provided by the present invention can adapt to the height of user, azimuth-range automatically, automatically
Adapt to illumination and the temperature of external environment, while increasing iris identification device robustness, improve Consumer's Experience.
The word in the description orientation employed in Ben Wen " on ", D score, "left", "right" etc. be for explanation facilitate base
In accompanying drawing for the orientation shown in drawing, in actual device these orientation be likely to be due to device disposing way and
Different.
In sum, embodiment of the present invention only provides a kind of optimal embodiment, in the technology of the present invention
Hold and technical characterstic has revealed that as above, but one skilled in the art scholar is still potentially based on disclosed content and makees
The various replacements without departing substantially from creation spirit of the present invention and modification；Therefore, protection scope of the present invention is not limited to disclosed in embodiment
Technology contents, therefore all shapes under this invention, structure and principle done equivalence change, be encompassed by the protection model of the present invention
In enclosing.
Claims (8)
1. a self-adapting type iris identification device, it is characterised in that: described iris identification device includes lifting rotation bar and sets
Putting the first housing on described lifting rotation bar, this first housing can match with described lifting rotation bar and move up and down
Lifting and rotation；
It is provided with central processing unit, iris capturing device, sound-producing device in described first housing and matches with described iris capturing device
Motor-driven lens；The lift rotary driving device of described lifting rotation bar, iris capturing device, sound-producing device and motor-driven lens all with
Described central processing unit is electrically connected with；The front panel of described first housing is provided with for perception external environment condition brightness and then passes through
Central processing unit adjusts the luminance sensor of motor-driven lens aperture, and for measurement user distance in real time and then is processed by central authorities
Device adjusts the range sensor of motor-driven lens focal length；Described luminance sensor and described range sensor respectively with described centre
Reason device is electrically connected with；
Mate on described motor-driven lens is provided with an installing plate, and this installing plate is provided with the infrared light supply being evenly distributed；
The critesistor for reducing described infrared light supply caloric value all it is in series with on each branch road of described infrared light supply；
Circumferential direction along described lifting rotation bar is also evenly arranged with four human face detection device, described human face detection device bag
Include the second housing, in described second housing, be provided with the wide visual field camera being electrically connected with described central processing unit.
A kind of self-adapting type iris identification device the most according to claim 1, it is characterised in that preferably, described first
Offering the first breach on the front panel of housing, this first indentation, there is provided with infrared absorption filter tabula rasa；Open on described infrared absorption filter tabula rasa
Being provided with the second breach, this second indentation, there is provided with semi-transparent semi-reflecting lens.
A kind of self-adapting type iris identification device the most according to claim 2, it is characterised in that preferably, described infrared
Filter and described semi-transparent semi-reflecting lens are that center superposition is arranged, after described motor-driven lens is positioned at described semi-transparent semi-reflecting lens interior plate face
Side, described infrared light supply is arranged on the rear, interior plate face of described infrared absorption filter tabula rasa.
A kind of self-adapting type iris identification device the most according to claim 1, it is characterised in that preferably, described second
Offering the 3rd breach on the front panel of housing, the 3rd indentation, there is provided with poly (methyl methacrylate) plate, around described wide visual field camera
Being provided with the visible light source being evenly distributed, described wide visual field camera and described visible light source are respectively positioned in described machine glass plate
Lateral plates rear.
5. a kind of self-adapting type iris identification device utilized as described in any claim in above-mentioned Claims 1-4
The method carrying out iris identification, it is characterised in that the method includes:
S1, utilize the brightness of luminance sensor real-time perception iris identification device local environment, and utilize four wide visual field cameras
Whether detection iris identification device whether people are around face exists, thus judge with the presence of personnel to be identified, if having, and wide visual field
Personnel's azimuth information to be identified is passed to central processing unit by camera, and central processing unit controls inside by lifting rotation bar and is provided with rainbow
First housing lifting rotation of film harvester is to the position that iris capturing device can be allowed to gather personnel's iris to be identified, and then performs
Step S2, if nothing, then iris identification device keeps state to be identified；
Personnel to be identified are entered by the wide visual field camera in S2, the second housing corresponding with orientation, personnel place to be identified in utilization
On the basis of row Face datection, obtaining current personnel's face location to be identified in conjunction with range sensor, central processing unit is based on people
Face position, obtains human eye feature, and positions position of human eye；
S3, central processing unit position of human eye based on current personnel to be identified, utilizes coordinating of motor-driven lens and iris capturing device
Gather the iris image information of personnel to be identified；
S4, central processing unit iris templates based on pre-stored, identification that the iris image information of personnel to be identified is compared,
If identifying, successfully, then sound-producing device sends voice message, if identifying unsuccessful, then repeats step S2 to S4.
The method of iris identification the most according to claim 5, it is characterised in that described step S2 farther includes, central authorities
The face image of the personnel to be identified captured by wide visual field camera is stored by processor, in case manager checks.
The method of iris identification the most according to claim 5, it is characterised in that described step S3 is particularly as follows: central authorities process
Device position of human eye based on current personnel to be identified, utilizes the iris identification device local environment of luminance sensor real-time perception
Brightness and utilize range sensor obtain current personnel to be identified range information, central processing unit is according to monochrome information and distance
Information controls motor-driven lens respectively and carries out aperture adjustment and lens zoom adjustment, so that iris capturing device can collect clearly
The iris image information of clear personnel to be identified.
The method of iris identification the most according to claim 5, it is characterised in that described step S4 farther includes, if even
Continuous three iris identification are the most unsuccessful, then it is assumed that these personnel to be identified are unregistered personnel, and wide visual field camera is directly by captured
The face image of personnel to be identified, be stored in central processing unit, and sound-producing device send voice message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN106778713A (en) * | 2017-03-01 | 2017-05-31 | 武汉虹识技术有限公司 | The iris identification device and method of a kind of dynamic human eye tracking |
| CN107195050A (en) * | 2017-05-25 | 2017-09-22 | 四川万佳园科技有限公司 | Automatic door control system based on living things feature recognition |
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| CN107221057A (en) * | 2017-05-25 | 2017-09-29 | 四川万佳园科技有限公司 | With the sensitivity induction door for automatically turning on function |
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| CN109635716A (en) * | 2018-12-07 | 2019-04-16 | 中国科学院深圳先进技术研究院 | Iris capturing equipment and its acquisition method |
| CN109753774B (en) * | 2019-01-08 | 2020-08-28 | 腾燊嘉诚(上海)信息科技股份有限公司 | Intelligent manufacturing system |
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| CN110070032A (en) * | 2019-04-19 | 2019-07-30 | 山东优化信息科技有限公司 | A kind of guest system using iris recognition |
| CN110367926A (en) * | 2019-07-22 | 2019-10-25 | 天津市索维电子技术有限公司 | A kind of xerophthalmia check device and method applied to self-medicine |
| EP4057213A4 (en) * | 2019-11-05 | 2022-10-12 | NEC Corporation | Imaging device |
| US11936963B2 (en) | 2019-11-05 | 2024-03-19 | Nec Corporation | Imaging device |
| CN111523372A (en) * | 2020-02-12 | 2020-08-11 | 德施曼机电（中国）有限公司 | Iris positioning method and system and iris lock |
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