CN106778713A - The iris identification device and method of a kind of dynamic human eye tracking - Google Patents
The iris identification device and method of a kind of dynamic human eye tracking Download PDFInfo
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- CN106778713A CN106778713A CN201710118228.4A CN201710118228A CN106778713A CN 106778713 A CN106778713 A CN 106778713A CN 201710118228 A CN201710118228 A CN 201710118228A CN 106778713 A CN106778713 A CN 106778713A
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- iris
- human eye
- image sensor
- processor
- identification device
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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
- G06V40/10—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
Abstract
The iris identification device and method of a kind of dynamic human eye tracking are the embodiment of the invention provides, the device includes processor, iris image sensor, iris-encoding identification module, range unit, carriage, tumbler, objective table and multiple images harvester.Iris image sensor is arranged at tumbler and is rotated with the rotation with tumbler.Iris image sensor, iris-encoding identification module and tumbler are installed on objective table, and objective table is arranged at carriage and is moved with the movement with carriage.The device adjusts iris image sensor to track eyes of user actively by tumbler and carriage.Height self adaptation is solved the problems, such as, and solves the problems, such as that eyes are moved to conventional iris identifying device requirement user the iris recognition pickup area specified, improved the ease for use of iris identification device, enhance Consumer's Experience sense.
Description
Technical field
The present invention relates to field of biological recognition, iris identification device in particular to a kind of tracking of dynamic human eye and
Method.
Background technology
With the development of biological identification technology, the tional identification device of such as ID/IC cards is gradually replaced by biological identification device,
Such as fingerprint identification device, face identification device and iris identification device etc..Wherein, iris identification device is obtained because of its high security
To greatly developing and apply.In the prior art, the video camera array for being constituted using multiple video cameras carries out IMAQ, works as shooting
During machine negligible amounts, it is difficult to meet the requirement of different user height.If number of cameras is more, the computing of computer can be increased
Amount, causes identification time delay more long.And this acquisition mode also needs to user and human eye actively is directed at into one of video camera, if
Standby not intelligent enough, ease for use is bad.Additionally, also using elevating lever come adjusting apparatus height to adapt to difference in the prior art
The requirement of height user, but the motion amplitude of this adjustment mode is larger, and time delay is more long, easily causes iris camera shake, leads
Cause iris image unintelligible.
The content of the invention
In view of this, it is an object of the invention to provide the iris identification device and method of a kind of tracking of dynamic human eye, with
Solve the above problems.
Present pre-ferred embodiments provide a kind of iris identification device of dynamic human eye tracking, including processor, iris figure
As sensor, iris-encoding identification module, range unit, carriage, tumbler, objective table and multiple images collection dress
Put；
The iris image sensor, iris-encoding identification module, range unit, carriage, tumbler and many
Individual image collecting device is electrically connected with the processor respectively, and the iris image sensor recognizes mould with the iris-encoding
Group is electrically connected with；
The iris image sensor is arranged at the tumbler and is rotated with the rotation of the tumbler, described
Iris image sensor, iris-encoding identification module and tumbler are installed on the objective table, and the objective table is set
Moved with the movement of the carriage in the carriage；
Described image harvester is used to gather the image information in front of the iris identification device of the dynamic human eye tracking,
And the processor is sent to, so as to the processor carries out Face datection according to described image information be positioned to obtain with human eye
The position of human eye information of user；
The range unit is used to measuring the iris image sensor the distance between to the position of human eye, and by its
The processor is sent to, so that the processor produces control instruction prompting user to be moved forward or rearward, while making described
Processor controls the tumbler to rotate to drive the iris image sensor according to the distance and the position of human eye
Rotate, and control the carriage movement to drive iris image sensor movement to carry out position of human eye tracking；
The iris image sensor is used to gather the iris image of user, and is sent to the iris-encoding identification module
To carry out iris recognition.
Further, the tumbler is head, and the head is electrically connected with the processor, with according to the place
The control instruction for managing device rotates to drive the iris image sensor to rotate in vertical direction in vertical direction.
Further, the carriage includes the slide rail and sliding block that cooperate, and the sliding block connects with the objective table
Connect to drive the objective table to be moved on the slide rail.
Further, the iris identification device of the dynamic human eye tracking also includes being electrically connected with the processor, uses
In the sound-producing device for sending voice messaging according to the control command of the processor to point out user to move.
Further, the iris identification device of the dynamic human eye tracking also includes multiple light-emitting devices, multiple hairs
Electro-optical device is respectively arranged at the both sides of the iris image sensor.
Further, the iris identification device of dynamic human eye tracking also includes display device, the display device with
The processor is electrically connected with to show the described image information that the processor is received.
Further, the range unit is binocular stereo vision range unit, the binocular stereo vision range unit
It is made up of two described image harvesters.
Further, the range unit is that infrared distance measurement device, sound ranging device, laser ranging system or radar are surveyed
Away from device.
Further, described image harvester is wide visual field camera.
Another preferred embodiment of the present invention provides a kind of iris identification method of dynamic human eye tracking, is applied to described above
Dynamic human eye tracking iris identification device, methods described includes：
Image information in front of the iris identification device of dynamic human eye tracking described in described image harvester Real-time Collection
And send to the processor；
The processor carries out Face datection to described image information and is positioned with human eye, obtains the position of human eye of user；
The range unit measures the distance between the iris image sensor and described position of human eye, and sends to institute
State processor；
The processor is according between the position of human eye information and the iris image sensor and the position of human eye
Distance, calculating the iris image sensor needs the angle that rotates and the horizontal direction to need mobile distance, sends control
System instruction controls the carriage to control the tumbler to rotate to adjust the angle of the iris image sensor
Movement is moved with driving the iris image sensor；
The iris image of the iris image sensor collection user is simultaneously sent to the iris-encoding identification module to enter
Row iris recognition.
The iris identification device and method of a kind of dynamic human eye tracking that the present invention is provided, the iris of dynamic human eye tracking
Identifying device can realize the dynamic tracking to user's human eye by tumbler and carriage, and iris image is adjusted actively
Sensor is tracking eyes of user.The problem of height self adaptation is not only solved, and solves conventional iris identifying device and wanted
Ask user that eyes are moved to the problem of the iris recognition pickup area specified, improve the ease for use of iris identification device, increase
Strong Consumer's Experience sense.And passed with adjusting iris image by the rotation in vertical direction and the move mode in horizontal direction
The angle of sensor and position, improve the stationarity in iris image sensor moving process, have ensured the iris figure for collecting
The definition of picture.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
The structured flowchart of the iris identification device of the dynamic human eye tracking that Fig. 1 is provided for present pre-ferred embodiments.
The structure chart of the iris identification device of the dynamic human eye tracking that Fig. 2 is provided for present pre-ferred embodiments.
The relation schematic diagram of the iris image sensor that Fig. 3 is provided for present pre-ferred embodiments and position of human eye.
Another structural frames of the iris identification device of the dynamic human eye tracking that Fig. 4 is provided for present pre-ferred embodiments
Figure.
Fig. 5 shows for the iris image sensor that present pre-ferred embodiments are provided with the relation at another visual angle of position of human eye
It is intended to.
The flow chart of the iris identification method of the dynamic human eye tracking that Fig. 6 is provided for present pre-ferred embodiments.
Icon：The iris identification device of 10- dynamic human eyes tracking；110- processors；120- iris image sensors；130-
Iris-encoding recognizes module；140- range units；150- carriages；160- tumblers；170- image collecting devices；180-
Objective table；190- sound-producing devices；200- display devices；210- light-emitting devices.
Specific embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be arranged and designed with a variety of configurations herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of selected embodiment of the invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.Meanwhile, of the invention
In description, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection " should be interpreted broadly, for example, can
Being to be fixedly connected, or be detachably connected, or it is integrally connected；Can mechanically connect, or electrically connect；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two connections of element internal.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
Fig. 1 is referred to, is the structured flowchart of the iris identification device 10 of dynamic human eye tracking provided in an embodiment of the present invention.
As shown in figure 1, the iris identification device 10 of the dynamic human eye tracking includes processor 110, iris image sensor 120, rainbow
Film code identification module 130, range unit 140, carriage 150, tumbler 160 and multiple images harvester 170.Institute
State iris image sensor 120, iris-encoding identification module 130, range unit 140, carriage 150, tumbler 160 with
And multiple images harvester 170 is electrically connected with the processor 110 respectively, the iris image sensor 120 with it is described
Iris-encoding identification module 130 is electrically connected with.
Fig. 2 is please referred to, the iris identification device 10 of the dynamic human eye tracking also includes objective table 180.The rainbow
Film image sensor 120 is arranged at the tumbler 160, can be with the rotation of the tumbler 160 in vertical direction
Turn an angle.Iris image sensor 120, the iris-encoding identification module 130 and tumbler 160 are installed on institute
Objective table 180 is stated, the objective table 180 is arranged at the carriage 150.The iris image sensor 120, iris-encoding
Identification module 130, tumbler 160 and objective table 180 can in the horizontal direction be moved with the movement of the carriage 150
Dynamic certain distance.
Alternatively, in the present embodiment, described image harvester 170 can be multiple, multiple described image collection dresses
170 bottoms of iris identification device 10 for being arranged on the dynamic human eye tracking are put, the rainbow for gathering the dynamic human eye tracking
The image information in the front of film identifying device 10.Alternatively, in the present embodiment, described image harvester 170 can be regarded for width
Field camera, to cover larger image acquisition region.Multiple wide visual field cameras can be disposed in an evenly spaced relation in the dynamic human eye
The bottom of the iris identification device 10 of tracking, it is wide to regard when iris identification device 10 of the user near dynamic human eye tracking
The image information in the front of iris identification device 10 of dynamic human eye tracking described in the camera Real-time Collection of field.In the specific implementation, adopt
With multiple wide visual field cameras while shooting image, can in a wider context photograph user images information.Wide visual field camera exists
After collection user images information, the image information that will be collected is sent to the processor 110 to be processed.
Alternatively, the processor 110 can carry out face inspection after the image information for receiving wide visual field camera transmission
Survey.Face information is detected the presence of according to the image information for photographing first, if detecting facial image, face face is extracted
Image information.The processor 110 carries out human eye detection and positions according to the face facial image information for obtaining, and obtains user's
Position of human eye information.
Alternatively, the range unit 140 is electrically connected with the processor 110, is passed for measuring the iris image
The distance between sensor 120 and described position of human eye.Alternatively, in the present embodiment, the range unit 140 is binocular solid
Visual token device.The binocular stereo vision range unit is made up of two wide visual field cameras.Described two wide visual field cameras
It is separately positioned on the front lower position of the iris identification device 10 of the dynamic human eye tracking.Using two wide visual field cameras from
Two viewpoints are obtained in different visual angles with gathering the Same Scene in the front of the iris identification device 10 that the dynamic human eye is tracked
Under one group of image, then the parallax by Same Scene in different images, to calculate the target object in scene, that is, uses
Family human eye, spatial geometric shape and position.The position of human eye is obtained according to the distance for calculating to be passed to the iris image
Sensor 120 apart from D, as shown in Figure 3.
Binocular stereo vision range finding is, according to visual theory, to ask the problem of depth information to be converted into two-dimentional sky three dimensions
Between seek parallax, without signal emitting-source, only need to by the com-parison and analysis of visual signal come mensuration distance, with it is easy to use, survey
Away from while can obtain the advantages such as substantial amounts of scene information.
Alternatively, in the present embodiment, the range unit 140 can also use infrared distance measurement device.The infrared distance measurement
Device includes infrared transmitter and position detecting device (not shown).The infrared transmitter and the position detecting device
It is separately positioned on the both sides of the iris image sensor 120.The infrared transmitter and the position detecting device respectively with
The processor 110 is electrically connected with.In the specific implementation, the infrared transmitter sends infrared beam, after barrier is run into,
Infrared beam is reflected by barrier, and reflected light is received by the position detecting device.Can be according to the barrier, infrared
The distance between angle that transmitter and position detecting device are formed and the infrared transmitter and described position detecting device
Calculate the distance between the barrier and described infrared distance measurement device.The position of human eye is obtained according to the distance for calculating
To the distance of the iris image sensor 120.
Alternatively, in the present embodiment, the range unit 140 can be sound ranging device, the sound ranging device
Time interval that can be according to transmission signal and between running into the response signal after barrier calculates distance between the two.Except
Outside above-mentioned different types of range unit, the range unit 140 can also use laser ranging system, radar range unit
Deng in the present embodiment, being not specifically limited.
Fig. 4 is referred to, alternatively, in the present embodiment, the iris identification device 10 of the dynamic human eye tracking also includes
Sound-producing device 190.The sound-producing device 190 is electrically connected with the processor 110.Because Algorithm of Iris Recognition is to pending
Iris image there are certain requirements, it is therefore desirable to limit the distance between user's position of human eye and described iris image sensor 120.
The processor 110 is contrasted the distance that the result that the measurement of the range unit 140 is obtained is required with Algorithm of Iris Recognition.
According to comparing result to the sound-producing device 190 send control command with control the sound-producing device 190 send voice messaging with
Prompting user is moved forward or rearward, for example, can send " user's forward movement ", " user is moved rearwards by " or " please keep not
It is dynamic " etc. voice messaging to point out the user to carry out corresponding actions, after user stands firm again, then regain the image for meeting and requiring
Information.
Alternatively, in the present embodiment, also can using can auto-focusing iris camera come obtain meet require iris
Image information.
Alternatively, in the present embodiment, the iris identification device 10 of the dynamic human eye tracking also includes display device
200, the display device 200 is electrically connected with the processor 110.The display device 200 is arranged on the dynamic human eye
The preceding surface of the iris identification device 10 of tracking.The image letter that the wide visual field camera that the processor 110 will be received is photographed
Breath is sent to the display device 200.The image information user shown according to the display device 200 can check the effect of shooting
Really, for example whether whether body clear etc. in the centre position of image, image, and is adjusted accordingly according to the effect for shooting
It is whole so that the wide visual field camera obtains the image information of better quality.
It is alternatively, in the present embodiment, described dynamic according to iris to the high reflectance of near infrared light referring to Fig. 2
The iris identification device 10 of state tracing of human eye also includes multiple light-emitting devices 210, and multiple light-emitting devices 210 are separately positioned on
The both sides of the iris image sensor 120.Alternatively, in the present embodiment, the light-emitting device 210 can be near-infrared lamp.
The number of the light-emitting device 210 can be 4 or 6, and its concrete numerical value can be set according to real needs, in the present embodiment
It is not specifically limited.During specific implementation, when the iris identification device 10 of the dynamic human eye tracking is opened, the light-emitting device
210 open, there is provided light source can collect clearly iris in order to the iris identification device 10 that the dynamic human eye is tracked
Image, is that iris recognition is prepared.
After said process, the processor 110 is according to position of human eye information, the iris image sensor for obtaining
120 parameters for arriving the distance between position of human eye D and wide visual field camera, are calculated in the horizontal direction according to formula (1)
The iris image sensor 120 need movement apart from L, and the rainbow in vertical direction is calculated according to formula (2)
Film image sensor 120 needs the angle, θ for rotating, and the people of user can be right against in order to the iris image sensor 120
Eye, to gather the iris image of user, please refers to Fig. 3 and Fig. 5.
Wherein, l0It is image collecting device 170CMOS to the distance of the convex lens photocentre of image collecting device 170, pxIt is human eye
To the upward pixel sequence number of the imaging of image collecting device 170 reclaimed water square, poIt is the water of the optical centre of image collecting device 170
Square upwards pixel sequence number, WCMOSIt is the width of image collecting device 170CMOS target surfaces, WpIt is the level of image collecting device 170
Imageable pixel summation on direction, D arrives the distance between position of human eye for iris image sensor 120, and Δ D is iris figure
As the horizontal range between sensor 120 to image collecting device 170.
Wherein, l0It is image collecting device 170CMOS to the distance of the convex lens photocentre of image collecting device 170, pyIt is human eye
Pixel sequence number in being imaged to image collecting device 170 in vertical direction, poIt is hanging down for the optical centre of image collecting device 170
The upward pixel sequence number of Nogata, HCMOSIt is the height of image collecting device 170CMOS target surfaces, HpFor image collecting device 170 is vertical
Imageable pixel summation on direction, D arrives the distance between position of human eye for iris image sensor 120, and Δ h is iris figure
As the photocentre of sensor 120 to the vertical range between the photocentre of image collecting device 170.
The processor 110 needs the angle, θ for rotating to control the tumbler according to the iris image sensor 120
160 rotate, to drive the iris image sensor 120 to rotate corresponding angle.Alternatively, in the present embodiment, described turn
Dynamic device 160 is head, and the iris image sensor 120 is arranged on the head, you can with by rotating the head
To drive the iris image sensor 120 to be rotated in vertical direction.Include motor inside the head, it is main to be responsible for described
Head rotation in the vertical direction.After the control instruction that the processor 110 sends is received, motor is rotated, through slowing down
Case drives vertical-transmission wheel disc to rotate.Alternatively, the head also includes limited bolt, and spacing work(can be realized by microswitch
Energy.When the rotational angle of the cloud platform rotation reaches limited bolt set in advance, the microswitch is action to cut off electricity
Source, the head is to stop operating.
Usually, head can be divided into exchange head and direct current head.Exchange head uses alternating current generator, velocity of rotation
More fix, general its vertical velocity of rotation is 3 °/s-6 °/s.Direct current head mostly uses DC stepper motor, has
Rotating speed is high, variable-ratio the advantages of.Direct current head is very suitable for needing quickly catching the occasion of target, the rotating speed in its vertical direction
Up to 10 °/s-24 °/s.Additionally, direct current head also has speed changing function, gentle speed change transition is capable of achieving.
Alternatively, the processor 110 needs mobile distance in the horizontal direction according to the iris image sensor 120
L controls the carriage 150 to move.Alternatively, the carriage 150 includes the sliding block and slide rail that cooperate.It is described
Iris image sensor 120, iris-encoding recognizes that module 130, head and objective table 180 are arranged on the sliding block.Institute
State processor 110 according to the iris image sensor 120 for calculating need in the horizontal direction movement send control apart from L
Information controls the sliding block to be moved on the slide rail, to drive the iris image sensor 120 to move in the horizontal direction
Accordingly apart from L.It is after position of the iris image sensor 120 on vertical angle and horizontal direction has been adjusted, i.e., complete
Into the tracking to user's human eye.
After user's tracing of human eye is completed, the iris image sensor 120 have found optimal iris image acquiring
Position, then can carry out the iris image information collection of user.Alternatively, the iris image sensor 120 may include that CMOS schemes
As sensor, when iris image acquiring is carried out, cmos image sensor is acquired corresponding to whole eyes region, and also
The various treatment to iris image are capable of achieving, for example pretreatment, picture quality screening and feature extraction etc..The iris figure
Recognize module 130 to carry out iris recognition as the iris image that sensor 120 will be collected is sent to the iris-encoding.
The iris-encoding identification module 130 receives the iris image information that the iris image sensor 120 sends
Afterwards, the feature coding for feature extraction being obtained is matched one by one with the iris image feature coding in database, to judge to adopt
Whether the iris image for collecting is identical iris with the iris image in database, is identified with the identity to user.It is optional
Ground, in the present embodiment, if the authentication success of user, the sound-producing device 190 can then send the prompting of " being verified "
Voice, otherwise sends the voice message of " authentication failed ".
Another preferred embodiment of the present invention additionally provides a kind of iris identification method of dynamic human eye tracking, the iris recognition
Method is applied to the iris identification device 10 of dynamic human eye tracking described above.The iris recognition dress of the dynamic human eye tracking
Putting 10 includes processor 110, iris image sensor 120, iris-encoding identification module 130, range unit 140, carriage
150th, tumbler 160, objective table 180 and multiple images harvester 170.
The iris image sensor 120, iris-encoding identification module 130, range unit 140, carriage 150, turn
Dynamic device 160 and multiple images harvester 170 are electrically connected with the processor 110 respectively, the iris image sensing
Device 120 is electrically connected with iris-encoding identification module 130.
The iris image sensor 120 is arranged at the tumbler 160 with the rotation with the tumbler 160
Rotate.Iris image sensor 120, the iris-encoding identification module 130 and tumbler 160 are installed on the objective table
On 180, the objective table 180 is arranged at the carriage 150 and is moved with the movement of the carriage 150.
As shown in fig. 6, being the flow chart of the iris identification method of dynamic human eye tracking provided in an embodiment of the present invention.Answer
Illustrate, the method that the present embodiment is provided is not limitation with Fig. 6 and order as described below.Below by the tool shown in Fig. 6
Body flow is explained in detail.
Step S101：The iris identification device 10 of dynamic human eye tracking described in the Real-time Collection of described image harvester 170
The image information in front is simultaneously sent to the processor 110.
Step S102：The processor 110 carries out Face datection to described image information and is positioned with human eye, obtains user's
Position of human eye.
Step S103：The range unit 140 is measured between the iris image sensor 120 and the position of human eye
Distance, and send to the processor 110.
Step S104：The processor 110 is according to the position of human eye information and the iris image sensor 120 and institute
The distance between position of human eye is stated, angle and horizontal direction needs that the iris image sensor 120 needs to rotate are calculated
Mobile distance, sends control instruction to control the tumbler 160 to rotate and adjusts the iris image sensor 120
Angle, and control the carriage 150 to move to drive the iris image sensor 120 to move.
Step S105：The iris image of the collection of iris image sensor 120 user is simultaneously sent to the iris-encoding
Module 130 is recognized to carry out iris recognition.
In sum, the present invention provides the iris identification device 10 and method of a kind of dynamic human eye tracking, the dynamic human eye
The iris identification device 10 of tracking adjusts iris image sensor 120 actively by tumbler 160 and carriage 150
To realize the dynamic tracking to user's human eye.The problem of height self adaptation is not only solved, and solves conventional iris identification
Eyes are moved to device requirement user the problem of the iris recognition pickup area specified, and improve the iris of dynamic human eye tracking
The ease for use of identifying device 10, enhance Consumer's Experience sense.And by the rotation in vertical direction and the shifting in horizontal direction
Flowing mode adjusting angle and the position of iris image sensor 120, in improve the moving process of iris image sensor 120
Stationarity, has ensured the definition of the iris image for collecting.
In embodiment provided herein, it should be understood that disclosed apparatus and method, it is also possible to by other
Mode realize.Device embodiment described above is only schematical, for example, the flow chart and block diagram in accompanying drawing show
Devices in accordance with embodiments of the present invention, the architectural framework in the cards of method and computer program product, function and behaviour
Make.At this point, each square frame in flow chart or block diagram can represent a part for module, program segment or code, institute
Stating a part for module, program segment or code is used for the executable instruction of the logic function that realization specifies comprising one or more.
It should also be noted that in some are as the implementation replaced, the function of being marked in square frame can also be with different from accompanying drawing
The order for being marked occurs.For example, two continuous square frames can essentially be performed substantially in parallel, they sometimes can also be by
Opposite order is performed, and this is depending on involved function.It is also noted that each square frame in block diagram and/or flow chart,
And the combination of the square frame in block diagram and/or flow chart, can be with the function or action for performing regulation it is special based on hardware
System realize, or can be realized with the combination of computer instruction with specialized hardware.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-row
His property is included, so that process, method, article or equipment including a series of key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or equipment institute are intrinsic
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including institute
Also there is other identical element in process, method, article or the equipment of stating key element.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, then it is not required in subsequent accompanying drawing
It is further defined and is explained.
Claims (10)
1. the iris identification device that a kind of dynamic human eye is tracked, it is characterised in that including processor, iris image sensor, rainbow
Film code identification module, range unit, carriage, tumbler, objective table and multiple images harvester；
The iris image sensor, iris-encoding identification module, range unit, carriage, tumbler and multiple figures
As harvester is electrically connected with the processor respectively, the iris image sensor and iris-encoding identification module are electric
Property connection；
The iris image sensor is arranged at the tumbler and is rotated with the rotation of the tumbler, the iris
Imageing sensor, iris-encoding identification module and tumbler are installed on the objective table, and the objective table is arranged at institute
Carriage is stated to be moved with the movement of the carriage；
Described image harvester is used to gather the image information in front of the iris identification device of the dynamic human eye tracking, and passes
The processor is delivered to, so as to the processor carries out Face datection according to described image information be positioned to obtain user with human eye
Position of human eye information；
The range unit is used to measuring the iris image sensor the distance between to the position of human eye, and is transmitted
To the processor, so that the processor produces control instruction prompting user to be moved forward or rearward, while making the treatment
Device controls the tumbler to rotate to drive the iris image sensor rotation according to the distance and the position of human eye,
And control the carriage movement to drive iris image sensor movement to carry out position of human eye tracking；
The iris image sensor is used to gather the iris image of user, and is sent to the iris-encoding identification module to enter
Row iris recognition.
2. the iris identification device of dynamic human eye according to claim 1 tracking, it is characterised in that the tumbler is
Head, the head is electrically connected with the processor, is rotated in vertical direction with according to the control instruction of the processor
To drive the iris image sensor to rotate in vertical direction.
3. the iris identification device that dynamic human eye according to claim 1 is tracked, it is characterised in that the carriage bag
The slide rail and sliding block of mutual cooperation are included, the sliding block is connected to drive the objective table to be moved on the slide rail with the objective table
It is dynamic.
4. the iris identification device of dynamic human eye according to claim 1 tracking, it is characterised in that the dynamic human eye with
The iris identification device of track is also including being electrically connected with the processor, for sending language according to the control command of the processor
Sound-producing device of the message breath to point out user to move.
5. the iris identification device of dynamic human eye according to claim 1 tracking, it is characterised in that the dynamic human eye with
The iris identification device of track also includes multiple light-emitting devices, and multiple light-emitting devices are respectively arranged at the iris image sensing
The both sides of device.
6. the iris identification device of dynamic human eye according to claim 1 tracking, it is characterised in that the dynamic human eye with
The iris identification device of track also includes display device, and the display device is electrically connected with to show the treatment with the processor
The described image information that device is received.
7. the iris identification device of dynamic human eye according to claim 1 tracking, it is characterised in that the range unit is
Binocular stereo vision range unit, the binocular stereo vision range unit is made up of two described image harvesters.
8. the iris identification device of dynamic human eye according to claim 1 tracking, it is characterised in that the range unit is
Infrared distance measurement device, sound ranging device, laser ranging system or radar range unit.
9. the iris identification device that dynamic human eye according to claim 1 is tracked, it is characterised in that described image collection dress
It is set to wide visual field camera.
10. the iris identification method that a kind of dynamic human eye is tracked, it is characterised in that be applied to claim 1-9 any one institute
The iris identification device of the dynamic human eye tracking stated, methods described includes：
Image information in front of the iris identification device of dynamic human eye tracking described in described image harvester Real-time Collection is concurrent
Deliver to the processor；
The processor carries out Face datection to described image information and is positioned with human eye, obtains the position of human eye of user；
The range unit measures the distance between the iris image sensor and described position of human eye, and sends to the place
Reason device；
The processor according between the position of human eye information and the iris image sensor and the position of human eye away from
From, angle and the mobile distance of horizontal direction needs that the iris image sensor needs to rotate are calculated, send control and refer to
Order controls the carriage to move to control the tumbler to rotate to adjust the angle of the iris image sensor
To drive the iris image sensor to move；
The iris image of the iris image sensor collection user is simultaneously sent to the iris-encoding identification module to carry out rainbow
Film is recognized.
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| CN201710118228.4A CN106778713B (en) | 2017-03-01 | 2017-03-01 | Iris recognition device and method for dynamic human eye tracking |
| PCT/CN2018/077598 WO2018157827A1 (en) | 2017-03-01 | 2018-02-28 | Dynamic human eye-tracking iris capturing device, dynamic human eye-tracking iris identification device and method |
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| CN201710118228.4A CN106778713B (en) | 2017-03-01 | 2017-03-01 | Iris recognition device and method for dynamic human eye tracking |
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| WO2018157827A1 (en) | 2018-09-07 |
| CN106778713B (en) | 2023-09-22 |
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