CN109948513A - Iris identification method and device - Google Patents
Iris identification method and device Download PDFInfo
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- CN109948513A CN109948513A CN201910199167.8A CN201910199167A CN109948513A CN 109948513 A CN109948513 A CN 109948513A CN 201910199167 A CN201910199167 A CN 201910199167A CN 109948513 A CN109948513 A CN 109948513A
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Abstract
The embodiment of the present invention provides a kind of iris identification method and device, applied to electronic equipment, the electronic equipment includes rotatable photographic device, the described method includes: acquiring target image by the photographic device, and according to the target image, the photographic device rotation is controlled, so that the target image that the photographic device is got includes eyes image；When the target image for determining that the photographic device is got includes eyes image, images to be recognized is acquired by the photographic device, the images to be recognized includes eye image；Iris recognition is carried out according to the images to be recognized.The accuracy for acquiring iris feature information is improved, and then improves the success rate that electronic equipment carries out iris recognition.
Description
Technical field
The present embodiments relate to iris recognition field more particularly to a kind of iris identification methods and device.
Background technique
Currently, terminal device (for example, mobile phone, access control system etc.) can determine the identity of user using iris recognition.
In the prior art, terminal device determines that the process of the identity of user may include: user using iris recognition
Eyes face terminal device photographic device, photographic device shoots the eyes of user, uses so that photographic device obtains
The eyes image of family whole, terminal device obtain accurate iris feature information according to whole eyes images, and according to iris
Characteristic information determines the identity of user.
In above process, position of the photographic device in terminal device is fixed, in the camera shooting that user utilizes position fixed
When device shoots its eye, if the eyes of user do not have face photographic device, terminal device can not accurately obtain rainbow
Film characteristic information, causes iris recognition to fail.
Summary of the invention
The embodiment of the present invention provides a kind of iris identification method and device, can accurately obtain iris feature information, in turn
Improve the success rate of iris recognition.
In a first aspect, the embodiment of the present invention provides a kind of iris identification method, it is applied to electronic equipment, the electronic equipment
Including rotatable photographic device, which comprises
Target image is acquired by the photographic device, and according to the target image, controls the photographic device rotation,
So that the target image that the photographic device is got includes eyes image；
When the target image for determining that the photographic device is got includes eyes image, acquired by the photographic device
Images to be recognized, the images to be recognized include eye image；
Iris recognition is carried out according to the images to be recognized.
It is described that target image is acquired by the photographic device in a kind of possible embodiment, and according to the mesh
Logo image controls the photographic device rotation, so that the target image that the photographic device is got includes eye image, packet
It includes:
Image Acquisition operation is executed, described image acquisition step includes acquiring the target image；
Judgement operation is executed, it is described to judge operation includes judging whether the similarity of the target image and pre-set image is big
In or equal to preset threshold, wherein the pre-set image is preparatory typing for carrying out the benchmark image of iris recognition；
When the similarity for determining the target image and the pre-set image is less than the preset threshold, control behaviour is executed
Make, the control operation includes controlling the photographic device rotation；
Described image acquisition operation, judgement operation and control operation are repeated, until the target image
It is greater than or equal to the preset threshold with the similarity of the pre-set image.
In alternatively possible embodiment, the control operation is executed, comprising:
According to the target image and the pre-set image, determine to direction of rotation；
According to described to direction of rotation, the photographic device rotation is controlled.
In alternatively possible embodiment, it is described according to direction of rotation, control the photographic device rotation,
Include:
Obtain angle to be rotated；
It controls the photographic device and rotates the angle to be rotated to direction of rotation according to described.
In alternatively possible embodiment,
The angle to be rotated is default rotation angle；Alternatively,
The angle to be rotated is that the electronic equipment is controlled in historical period used in the photographic device rotation
It rotates in angle, the highest rotation angle of frequency of use.
It is described that iris recognition is carried out according to the images to be recognized in alternatively possible embodiment, comprising:
According to the images to be recognized, determine iris feature information, the iris feature information include iris and sclera it
Between boundary information, the boundary information between boundary information and iris and upper lower eyelid between iris and pupil；
Iris recognition, the default iris feature letter are carried out according to the iris feature information and default iris feature information
Breath is obtained according to the pre-set image.
Second aspect, the embodiment of the present invention provide a kind of iris identification device, and described device includes: acquisition module, control
Module and identification module, wherein
The acquisition module is used for, and acquires target image；
The control module is used for, and according to the target image, the acquisition module rotation is controlled, so that the acquisition mould
The target image that block is got includes eyes image；
The acquisition module is also used to, and includes eyes image in the target image for determining that the acquisition module is got
When, images to be recognized is acquired, the images to be recognized includes eye image；
The identification module is used for, and carries out iris recognition according to the images to be recognized.
In a kind of possible embodiment, the control module is specifically used for:
Image Acquisition operation is executed, described image acquisition step includes acquiring the target image；
Judgement operation is executed, it is described to judge operation includes judging whether the similarity of the target image and pre-set image is big
In or equal to preset threshold, wherein the pre-set image is preparatory typing for carrying out the benchmark image of iris recognition；
When the similarity for determining the target image and the pre-set image is less than the preset threshold, control behaviour is executed
Make, the control operation includes controlling the acquisition module rotation；
Described image acquisition operation, judgement operation and control operation are repeated, until the target image
It is greater than or equal to the preset threshold with the similarity of the pre-set image.
In alternatively possible embodiment, the control module is also used to:
According to the target image and the pre-set image, determine to direction of rotation；
According to described to direction of rotation, the acquisition module rotation is controlled.
In alternatively possible embodiment, the control module is also used to:
Obtain angle to be rotated；
It controls the acquisition module and rotates the angle to be rotated to direction of rotation according to described.
In alternatively possible embodiment,
The angle to be rotated is default rotation angle；Alternatively,
The angle to be rotated is that the electronic equipment is controlled in historical period used in the photographic device rotation
It rotates in angle, the highest rotation angle of frequency of use.
In alternatively possible embodiment, the identification module is specifically used for:
According to the images to be recognized, determine iris feature information, the iris feature information include iris and sclera it
Between boundary information, the boundary information between boundary information and iris and upper lower eyelid between iris and pupil；
Iris recognition, the default iris feature letter are carried out according to the iris feature information and default iris feature information
Breath is obtained according to the pre-set image.
The third aspect, the embodiment of the present invention provide a kind of electronic equipment, comprising: processor, the processor and memory
Coupling；
The memory is used for, and stores computer program；
The processor is used for, and executes the computer program stored in the memory, so that the electronic equipment is held
The above-mentioned described in any item methods of first aspect of row.
Fourth aspect, the embodiment of the present invention provide a kind of readable storage medium storing program for executing, including program or instruction, when described program or
When instruction is run on computers, the method as described in above-mentioned first aspect any one is performed.
Iris identification method and device provided in an embodiment of the present invention, the method acquire target by the photographic device
Image, and according to target image, photographic device rotation is controlled, so that it includes eyes image that photographic device, which gets target image,
When the target image for determining that photographic device is got includes eyes image, images to be recognized is acquired by photographic device, wait know
Other image includes eye image, carries out iris recognition according to images to be recognized.In above process, control photographic device rotation,
When the target image that photographic device is got includes eyes image, photographic device acquire images to be recognized, electronic equipment according to
Images to be recognized determines iris feature information, improves the accuracy of the iris feature information acquired, and then improves electronics and set
The success rate of standby iris recognition.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the application scenarios schematic diagram of iris identification method provided in an embodiment of the present invention；
Fig. 2 is the flow diagram one of iris identification method provided in an embodiment of the present invention；
Fig. 3 is the flow diagram two of iris identification method provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of photographic device provided in an embodiment of the present invention；
Fig. 5 is the rotation schematic diagram of two photographic devices provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of iris identification device provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is the application scenarios schematic diagram of iris identification method provided in an embodiment of the present invention.Referring to Figure 1, electronics is set
Rotatable photographic device 11 is provided in standby 10, photographic device 11 is used for the images to be recognized of acquisition target, electronic equipment 10
For determining that iris feature information (for example, boundary information between iris and sclera) carries out iris knowledge according to images to be recognized
Not.
In practical applications, it is acquired in face of the photographic device 11 to object, when obtaining target image, if camera shooting
The target image that device 11 is got includes a part of image of one eye eyeball, then can control the rotation of photographic device 11, until
The target image that photographic device 11 is got includes all images of one eye eyeball.In the target image that photographic device 11 is got
When all images including one eye eyeball, the images to be recognized of object is collected by photographic device 11, electronic equipment 10
Accurate iris feature information can be determined according to images to be recognized and iris recognition is carried out according to accurate iris feature information.
In above process, control photographic device rotation, including the whole of one eye eyeball in the target image that photographic device is got
When image, photographic device acquires images to be recognized, and electronic equipment can be improved according to images to be recognized and determine iris feature information
Accuracy, and then improve electronic equipment carry out iris recognition success rate.
In the following, technical solution shown in the application is described in detail by specific embodiment.Under it should be noted that
The several specific embodiments in face can be combined with each other, and for the same or similar content, no longer carry out weight in various embodiments
Multiple explanation.
Fig. 2 is the flow diagram one of iris identification method provided in an embodiment of the present invention.Refer to Fig. 2, iris recognition
Method includes:
S201, target image is acquired by photographic device, and according to target image, photographic device rotation is controlled, so as to take the photograph
The target image got as device includes eyes image.
Optionally, the executing subject of the embodiment of the present invention is electronic equipment, or rainbow in the electronic device is arranged
Film identification device, iris identification device can be realized by the combination of software and/hardware.
Optionally, electronic equipment can be mobile phone, computer or access control system etc..
Optionally, at least one photographic device is provided in electronic equipment, photographic device is internally provided with rotation motor.
Optionally, photographic device can be camera module or infrared mould group.
Optionally, rotation motor can rotate, and during a rotation motor rotates, can drive a camera shooting dress
Set rotation.
In practical applications, photographic device has preset rotation angle range, and photographic device can be in preset rotation angle
Rotation in range is spent, and after rotation, acquires target image.
For example, rotation angle range can be 20 degree, 50 degree etc..Specifically, in this application, not limiting rotation angle degree model
The size enclosed.
Optionally, it is stored with pre-set image in electronic equipment, can first determines the phase between pre-set image and target image
It controls photographic device further according to the size of similarity like degree and is rotated in preset rotation angle range, so that photographic device obtains
The target image got includes eyes image.
Optionally, target image is the image of object, and the target image may include the parts of images of the eyes of object,
For example, the left part image of object left eye, the object can be people or animal.
Optionally, pre-set image is one or multiple benchmark images for being used to carry out iris recognition of preparatory typing, in advance
If image may include all images of two eyes of object.
S202, when determining photographic device to get target image including eyes image, acquired by photographic device wait know
Other image, images to be recognized include eye image.
Optionally, the eye image of at least one eye eyeball in images to be recognized including object.
Optionally, eye image includes pupil image, iris image, sclera image and upper lower eyelid image.
It optionally, can also eyebrow image, nose image, ear image etc. including object in images to be recognized.
S203, iris recognition is carried out according to images to be recognized.
In practical applications, the collected images to be recognized of the available photographic device of electronic equipment, and according to be identified
Image determines iris feature information.
Optionally, electronic equipment can determine default iris feature information according to pre-set image, and it is special to save default iris
Reference breath.
Optionally, iris recognition can be carried out according to iris feature information and default iris feature information.
Iris identification method provided in an embodiment of the present invention acquires target image by the photographic device, and according to mesh
Logo image, control photographic device rotation are determining camera shooting dress so that the target image that photographic device is got includes eyes image
When to set the target image got include eyes image, images to be recognized is acquired by photographic device, images to be recognized includes eye
Eyeball image carries out iris recognition according to images to be recognized.In above process, control photographic device rotation, is obtained in photographic device
When the target image got includes eyes image, photographic device collects images to be recognized, and electronic equipment is according to figure to be identified
As determining iris feature information, the accuracy for acquiring iris feature information is improved, and then improve electronic equipment and carry out iris
The success rate of identification.
On the basis of the above embodiments, in the following, in conjunction with Fig. 3, technical solution shown in application is described in detail.
Fig. 3 is the flow diagram two of iris identification method provided in an embodiment of the present invention.Refer to Fig. 3, iris recognition
Method includes:
S301, acquisition target image.
Optionally, photographic device in the electronic device can collect the target image of object.
S302, judge whether the similarity of target image and pre-set image is greater than or equal to preset threshold.
Wherein, the pre-set image is preparatory typing for carrying out the benchmark image of iris recognition.
Optionally, the similarity of target image and pre-set image can be determined first according to target image and pre-set image, then
Judge whether the similarity of target image and pre-set image is greater than or equal to preset threshold.
It in practical applications, can be according to the image information in target image and pre-set image, for example, eyebrow image, eye
Eyeball image etc. determines the similarity of target image and pre-set image.
Optionally, similarity can be any one number between 0 to 1.
Optionally, when similarity is any one number between 0 to 1, the preset threshold can be 0.6,0.7 etc.,
Specifically, the size of preset threshold can be determined according to actual needs.
If it is not, then executing S303.
If so, executing S305.
S303, according to target image and pre-set image, determine to direction of rotation.
Optionally, it when the similarity of target image and pre-set image is less than preset threshold, according to target image and presets
Image is determined to direction of rotation.
For example, pre-set image includes the right eye eyeball of object when target image includes the left part partial image of the right eye eyeball of object
All images, it is determined that direction of rotation be rotate to the right, reference can be made to shown in Fig. 5.
For example, when target image include object right eye eyeball all images, pre-set image include object left eye eyeball and
The all images of right eye eyeball, it is determined that direction of rotation be rotate to the left.
S304, angle to be rotated is obtained, controls photographic device according to direction of rotation and rotates angle to be rotated.
Optionally, angle to be rotated can be default rotation angle.
Optionally, presetting rotation angle can be any one positive number, for example, default rotation angle can for 0.1 degree,
0.2 degree etc..
Optionally, angle to be rotated can also control for electronic equipment in historical period used in photographic device rotation
It rotates in angle, the highest rotation angle of frequency of use.
For example, the total degree that electronic equipment controls photographic device rotation is 2000 times, wherein uses 1 degree in 5 months
Rotate angle control photographic device rotation number be 500 times, use 3 degree rotation angles control photographic devices rotate numbers for
500 times, use the number of 5 degree of rotation angle control photographic device rotations for 1000 times, it is determined that angle to be rotated is 5 degree.
Optionally, the central processing unit in electronic equipment (for example, CPU) is available to direction of rotation and to rotation angle
Degree generates first control signal according to direction of rotation and angle to be rotated, and sends first control signal to rotation motor, makes
It obtains rotation motor to be rotated according to first control signal, and then drives photographic device in preset rotation angle range according to wait revolve
Turn direction and rotates angle rotation to be rotated.
In practical applications, it can be repeated in and execute S301 to S304, until target image and pre-set image is similar
Degree is greater than or equal to preset threshold, and the target image that may make photographic device to get includes eyes image.
S305, when the target image for determining that photographic device is got includes eyes image, by photographic device acquisition to
Identify image, images to be recognized includes eye image.
Optionally, S305 is identical as the implementation procedure of S202, herein, repeats no more the implementation procedure of S305.
S306, according to images to be recognized, determine that iris feature information, iris feature information include between iris and sclera
The boundary information between boundary information and iris and upper lower eyelid between boundary information, iris and pupil.
Optionally, determine that the iris feature information of object includes: according to images to be recognized, to object according to images to be recognized
Iris positioned, that is, determine boundary information (the outer circle boundary information of iris), iris and the pupil between iris and sclera
Between boundary information (the inner circle boundary information of iris), boundary information (iris and upper and lower eye between iris and upper lower eyelid
Calibration curve information between skin).
S307, iris recognition is carried out according to iris feature information and default iris feature information, presets iris feature information
It is obtained according to the pre-set image.
Optionally, feature coding can be determined first according to iris feature information, according to default iris feature information, determine
Default feature coding carries out iris recognition further according to feature coding and default feature coding.
Optionally, it can pass sequentially through at image normalization processing, image resolution ratio enhancing processing and feature extraction
Reason, to obtain the feature coding of iris feature information and the default feature coding of default iris feature information.
Optionally, feature coding can be compared with default feature coding, to realize iris recognition.
It should be noted that including eyes image in the target image that photographic device is got in embodiments of the present invention
When, photographic device collects images to be recognized, carries out iris recognition according to images to be recognized, improves the success of iris recognition
Rate further increases user experience.
On the basis of any one above-mentioned embodiment, in the following, carrying out brief description to photographic device in conjunction with Fig. 4.
Fig. 4 is the structural schematic diagram of photographic device provided in an embodiment of the present invention.Fig. 4 is referred to, photographic device 12 has
Default visual angle c, photographic device 12 are internally provided with rotation motor 13, and rotation motor 13 has pilot angle 14.
Optionally, presetting visual angle c can be 130 degree or 170 degree etc..
On the basis of any one above-mentioned embodiment, the embodiment of the present invention also provides in a kind of electronic equipment and is provided with two
The rotation schematic diagram of a photographic device, refers to Fig. 5.
Fig. 5 is the rotation schematic diagram of two photographic devices provided in an embodiment of the present invention.Refer to Fig. 5, electronic equipment 20
In be provided with the first photographic device 21 and the second photographic device 22, wherein the first photographic device 21 and the second photographic device 22 exist
Position is asymmetric about center line L in electronic equipment 20.
Optionally, the first photographic device 21 has default visual angle c1, and the second photographic device 22, which has, presets visual angle c2, and first
Photographic device 21 can acquire target image in default visual angle c1, and the second photographic device 22 can be adopted in default visual angle c2
Collect target image.
In practical applications, when the CPU in electronic equipment 20 determines the target image of the first photographic device 21 acquisition and pre-
If the similarity of image is less than preset threshold, the target image and pre-set image that CPU is acquired according to the first photographic device 21, really
Fixed first photographic device 21 to direction of rotation (for example, rotating to the right), when the CPU in electronic equipment 20 determines that the second camera shooting fills
When the similarity of the target image and pre-set image of setting 22 acquisitions is less than preset threshold, the mesh of the acquisition of the second photographic device of CPU 22
Logo image and pre-set image, determine the second photographic device 22 to direction of rotation (for example, rotating to the left).
Further, CPU obtains angle to be rotated, according to angle to be rotated and the first photographic device 21 to direction of rotation
First control signal is generated, second control signal is generated to direction of rotation according to angle to be rotated and the second photographic device 22,
And the rotation motor into the first photographic device 21 sends first control signal, the rotation motor hair into the second photographic device 22
Send second control signal.
Then, the rotation motor in the first photographic device 21 is rotated according to first control signal, controls the first photographic device
21 rotate angle to be rotated according to direction of rotation, until the target image of the first photographic device 21 acquisition is similar to pre-set image
When degree is more than or equal to preset threshold, the target image that photographic device is got includes complete eyes image (with two eyes
Eyeball, which all appears on the display screen of electronic equipment 20, to be illustrated).Rotation motor in second photographic device 22 is according to the second control
Signal rotation controls the second photographic device 22 according to direction of rotation and rotates angle to be rotated, until the second photographic device 22 is adopted
When the target image of collection and pre-set image similarity are more than or equal to preset threshold, target that the second photographic device 22 is got
Image includes complete eyes image (illustrating on the display screen for all occurring electronic equipment with two eyes).
Optionally, the first photographic device 21 and the second photographic device 22 are also possible to about in position in electronic equipment 20
Heart line L is symmetrical.
Optionally, the default visual angle c1 of the first photographic device 21 and the default visual angle c2 of the second photographic device 22 can phases
Together, it can also be different.
Optionally, the first photographic device 21 and the second photographic device 22 before rotation, the eye shown in electronic equipment
Image is the combination image for the eyes image that the first photographic device 21 and the second photographic device 22 acquire.
For example, the first photographic device 21 can acquire the complete eyes image of left eye eyeball and the image of part right eye eyeball,
Second photographic device 22 can acquire the complete eyes image of right eye eyeball and the image of part left eye eyeball, then show in electronic equipment
Show the image of part right eye eyeball and the image of part left eye eyeball.
Optionally, the first photographic device 21 and the second photographic device 22 after rotation, the first photographic device 21 and second
Photographic device 22 can collect the complete eyes image (the complete eyes image of left eye eyeball and right eye eyeball) of object, and
Complete eyes image is shown in the electronic device.
Fig. 6 is the structural schematic diagram of iris identification device provided in an embodiment of the present invention.Refer to Fig. 6, iris recognition dress
Setting 30 includes: acquisition module 31, control module 32 and identification module 33, wherein
The acquisition module 31 is used for, and acquires target image；
The control module 32 is used for, and according to the target image, the acquisition module rotation is controlled, so that the acquisition
The target image that module is got includes eyes image；
The acquisition module 31 is also used to, and includes eyes image determining that the acquisition module gets the target image
When, images to be recognized is acquired, the images to be recognized includes eye image；
The identification module 33 is used for, and carries out iris recognition according to the images to be recognized.
Iris identification device provided in an embodiment of the present invention can execute technical solution shown in above method embodiment,
Realization principle and beneficial effect are similar, are no longer repeated herein.
In a kind of possible embodiment, the control module 32 is specifically used for:
Image Acquisition operation is executed, described image acquisition step includes acquiring the target image；
Judgement operation is executed, it is described to judge operation includes judging whether the similarity of the target image and pre-set image is big
In or equal to preset threshold, wherein the pre-set image is preparatory typing for carrying out the benchmark image of iris recognition；
When the similarity for determining the target image and the pre-set image is less than the preset threshold, control behaviour is executed
Make, the control operation includes controlling the acquisition module rotation；
Described image acquisition operation, judgement operation and control operation are repeated, until the target image
It is greater than or equal to the preset threshold with the similarity of the pre-set image.
In a kind of possible embodiment, the control module 32 is also used to:
According to the target image and the pre-set image, determine to direction of rotation；
According to described to direction of rotation, the acquisition module rotation is controlled.
In alternatively possible embodiment, the control module 32 is also used to:
Obtain angle to be rotated；
It controls the acquisition module and rotates the angle to be rotated to direction of rotation according to described.
In alternatively possible embodiment,
The angle to be rotated is default rotation angle；Alternatively,
The angle to be rotated is that the electronic equipment is controlled in historical period used in the photographic device rotation
It rotates in angle, the highest rotation angle of frequency of use.
In alternatively possible embodiment, the identification module 33 is specifically used for:
According to the images to be recognized, determine iris feature information, the iris feature information include iris and sclera it
Between boundary information, the boundary information between boundary information and iris and upper lower eyelid between iris and pupil；
Iris recognition, the default iris feature letter are carried out according to the iris feature information and default iris feature information
Breath is obtained according to the pre-set image.
The embodiment of the present invention provides a kind of electronic equipment, comprising: processor, the processor are coupled with memory；
The memory is used for, and stores computer program；
The processor is used for, and executes the computer program stored in the memory, so that the electronic equipment is held
Method described in the above-mentioned any means embodiment of row.
The embodiment of the present invention provides a kind of readable storage medium storing program for executing, including program or instruction, when described program or instruction are being counted
When running on calculation machine, the method as described in above-mentioned any means embodiment is performed.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the embodiment of the present invention, rather than to it
Limitation；Although the embodiment of the present invention is described in detail referring to foregoing embodiments, those skilled in the art
It is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, either to part of or
All technical features are equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution this hair
The range of bright example scheme.
Claims (10)
1. a kind of iris identification method, which is characterized in that be applied to electronic equipment, the electronic equipment includes rotatable camera shooting
Device, which comprises
Target image is acquired by the photographic device, and according to the target image, controls the photographic device rotation, so that
The target image that the photographic device is got includes eyes image；
When the target image for determining that the photographic device is got includes eyes image, acquired by the photographic device
Images to be recognized, the images to be recognized include eye image；
Iris recognition is carried out according to the images to be recognized.
2. the method according to claim 1, wherein it is described by the photographic device acquire target image, and
According to the target image, the photographic device rotation is controlled, so that the target image that the photographic device is got includes eye
Portion's image, comprising:
Image Acquisition operation is executed, described image acquisition step includes acquiring the target image；
Execute judgement operation, it is described judge operation whether be greater than including judging the similarity of the target image and pre-set image or
Equal to preset threshold, wherein the pre-set image is preparatory typing for carrying out the benchmark image of iris recognition；
When the similarity for determining the target image and the pre-set image is less than the preset threshold, executive control operation,
The control operation includes controlling the photographic device rotation；
Described image acquisition operation, judgement operation and control operation are repeated, until the target image and institute
The similarity for stating pre-set image is greater than or equal to the preset threshold.
3. according to the method described in claim 2, it is characterized in that, executing the control operation, comprising:
According to the target image and the pre-set image, determine to direction of rotation；
According to described to direction of rotation, the photographic device rotation is controlled.
4. according to the method described in claim 3, it is characterized in that, it is described according to direction of rotation, control the camera shooting
Device rotation, comprising:
Obtain angle to be rotated；
It controls the photographic device and rotates the angle to be rotated to direction of rotation according to described.
5. according to the method described in claim 3, it is characterized in that,
The angle to be rotated is default rotation angle；Alternatively,
The angle to be rotated is that the electronic equipment controls rotation used in the photographic device rotation in historical period
In angle, the highest rotation angle of frequency of use.
6. method according to claim 1-5, which is characterized in that described to carry out rainbow according to the images to be recognized
Film identification, comprising:
According to the images to be recognized, iris feature information is determined, the iris feature information includes between iris and sclera
The boundary information between boundary information and iris and upper lower eyelid between boundary information, iris and pupil；
Iris recognition is carried out according to the iris feature information and default iris feature information, the default iris feature information is
It is obtained according to the pre-set image.
7. a kind of iris identification device, which is characterized in that described device includes: acquisition module, control module and identification mould
Block, wherein
The acquisition module is used for, and acquires target image；
The control module is used for, and according to the target image, the acquisition module rotation is controlled, so that the acquisition module obtains
The target image got includes eyes image；
The acquisition module is also used to, when the target image for determining that the acquisition module is got includes eyes image,
Images to be recognized is acquired, the images to be recognized includes eye image；
The identification module is used for, and carries out iris recognition according to the images to be recognized.
8. device according to claim 7, which is characterized in that the control module is specifically used for:
Image Acquisition operation is executed, described image acquisition step includes acquiring the target image；
Execute judgement operation, it is described judge operation whether be greater than including judging the similarity of the target image and pre-set image or
Equal to preset threshold, wherein the pre-set image is preparatory typing for carrying out the benchmark image of iris recognition；
When the similarity for determining the target image and the pre-set image is less than the preset threshold, executive control operation,
The control operation includes controlling the acquisition module rotation；
Described image acquisition operation, judgement operation and control operation are repeated, until the target image and institute
The similarity for stating pre-set image is greater than or equal to the preset threshold.
9. device according to claim 8, which is characterized in that the control module is also used to:
According to the target image and the pre-set image, determine to direction of rotation；
According to described to direction of rotation, the acquisition module rotation is controlled.
10. device according to claim 9, which is characterized in that the control module is also used to:
Obtain angle to be rotated；
It controls the acquisition module and rotates the angle to be rotated to direction of rotation according to described.
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