CN105184133B - A kind of method for authenticating, device and corresponding mobile terminal - Google Patents
A kind of method for authenticating, device and corresponding mobile terminal Download PDFInfo
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- CN105184133B CN105184133B CN201510464372.4A CN201510464372A CN105184133B CN 105184133 B CN105184133 B CN 105184133B CN 201510464372 A CN201510464372 A CN 201510464372A CN 105184133 B CN105184133 B CN 105184133B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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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
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Abstract
The embodiment of the present invention provides a kind of method for authenticating, device and corresponding mobile terminal.This method includes：When iris authentication operations are triggered, the iris information of at least two eyes is obtained；The part iris information of each eyes is extracted according to preset algorithm；According to the part iris information generation iris information sample of each eyes；Iris information sample is matched with default iris information template, and determines whether authentication succeeds according to matching result.The embodiment of the present invention is by using above-mentioned technical proposal, the part iris information of at least two eyes is contained in the iris information sample generated, when the iris information of the single eyes of user is stolen, other people can not generate above-mentioned iris information sample according to the iris information of single eyes, so as to pass through authentication.In addition, the part iris information of at least two eyes is summarized in an iris information sample in this programme, authentication efficiency can be lifted.
Description
Technical field
The present embodiments relate to authentication techniques field, more particularly to a kind of method for authenticating, device and corresponding mobile terminal.
Background technology
In order to ensure the information security of user, in general terminal device can all provide authentication functions.Traditional authentication functions
Realized by password authentification, and in recent years, the authentication mode based on biological characteristics such as fingerprints has been widely used.
The iris of human eye is unique, and the iris of left and right eye also differs completely as fingerprint.
The fibr tissue details of iris is complicated and enriches, and its formation and the physical chemistry bar of the embryogenetic stage tissue local
Part is relevant, has great randomness, and the information that each iris is included is different from, and the identical iris group of form occurs
The possibility knitted is well below its hetero-organization, just because of iris has above-mentioned characteristic, the more mambos of John of univ cambridge uk
Scholar has just invented iris authentication techniques.
In the existing scheme based on iris authentication, the complete iris of an eyes (left eye or right eye) is generally based only upon
To be authenticated, once the iris information leakage of the eyes, the information and property safety of user will be threatened greatly.
The content of the invention
The purpose of the embodiment of the present invention is to propose a kind of method for authenticating, device and corresponding mobile terminal, to solve to work as user
When left eye or the iris information of right eye for authenticating are stolen, traditional iris authentication mode can not continue to ensure the letter of user
Cease the problem of safe.
In a first aspect, the embodiments of the invention provide a kind of method for authenticating, including：
When iris authentication operations are triggered, the iris information of at least two eyes is obtained；
The part iris information of each eyes is extracted according to preset algorithm；
According to the part iris information generation iris information sample of each eyes；
The iris information sample is matched with default iris information template, and determines that authentication is according to matching result
No success.
Second aspect, the embodiments of the invention provide a kind of authentication device, including：
Iris information acquisition module, for when iris authentication operations are triggered, obtaining the iris letter of at least two eyes
Breath；
Part iris information extraction module, for extracting the part iris information of each eyes according to preset algorithm；
Iris information sample generation module, for the part iris information generation iris information sample according to each eyes
This；
Authentication module, for the iris information sample to be matched with default iris information template, and according to matching
As a result determine whether authentication succeeds.
The third aspect, the embodiments of the invention provide a kind of mobile terminal, including the authentication device in the embodiment of the present invention.
The authentication scheme provided in the embodiment of the present invention, when iris authentication operations are triggered, obtain at least two eyes
Iris information, and the part iris information of each eyes is extracted according to preset algorithm, according to the part iris letter of each eyes
Breath generation iris information sample, is finally matched iris information sample with default iris information template, and tied according to matching
Fruit determines whether authentication succeeds.By using above-mentioned technical proposal, at least two are contained in the iris information sample generated
The part iris information of eyes, when the iris information of the single eyes of user is stolen, other people can not be according to single eyes
Iris information generates above-mentioned iris information sample, so as to pass through authentication.In addition, by the portion of at least two eyes in this programme
Point iris information is summarized in an iris information sample, can lift authentication efficiency.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet for method for authenticating that the embodiment of the present invention one provides；
Fig. 2 is a kind of schematic flow sheet for method for authenticating that the embodiment of the present invention two provides；
Fig. 3 a are that user's iris of left eye image that the embodiment of the present invention two provides splits schematic diagram；
Fig. 3 b are that user's iris of right eye image that the embodiment of the present invention two provides splits schematic diagram；
Fig. 3 c are that the first that the iris image in Fig. 3 a and Fig. 3 b that the embodiment of the present invention two provides generates is preset
Iris information template schematic diagram；
Fig. 3 d are default second of the generation of the iris image in Fig. 3 a and Fig. 3 b that the embodiment of the present invention two provides
Iris information template schematic diagram；
Fig. 4 is a kind of structured flowchart for authentication device that the embodiment of the present invention three provides.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.It is appreciated that
It is that specific embodiment described herein is used only for explaining the present invention, rather than limitation of the invention.Further need exist for illustrating
, for the ease of description, part related to the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The processing described as flow chart or method.Although every step is described as the processing of order by flow chart, therein to be permitted
Multi-step can be implemented concurrently, concomitantly or simultaneously.In addition, the order of every step can be rearranged.When it
The processing can be terminated when step is completed, it is also possible to the additional step being not included in accompanying drawing.The processing
It can correspond to method, function, code, subroutine and subprogram etc..
Embodiment one
Fig. 1 is a kind of schematic flow sheet for method for authenticating that the embodiment of the present invention one provides, and this method can be filled by authentication
Execution is put, wherein the device can be realized by software and/or hardware, can be integrated in the various terminals equipped with image collecting device
In.As shown in figure 1, this method includes：
Step 101, when iris authentication operations are triggered, obtain at least two eyes iris information.
In the present embodiment, the terminal concretely mobile terminal such as mobile phone, tablet personal computer and notebook computer, also may be used
For other-ends such as desktop computers.It is exemplary, described image harvester concretely camera, terminal can be integrated in
In, it can be also connected by modes such as data wire connections with terminal.
Exemplary, the method for authenticating in the present embodiment can be applied to such as terminal screen unblock, terminal system unblock, application
In the various scenes for needing to be authenticated such as program unblock and payment verification.Iris authentication operations be triggered specifically can fingering enter
Above-mentioned such as terminal screen unblock, terminal system unblock, application program unblock and payment verification checking flow, for example, user
When waking up terminal, screen is locked out state, and system unlocks checking flow automatically into terminal screen, that is, triggers iris authentication behaviour
Make.
Exemplary, at least two eyes may include that everyone is extremely in two eyes, or different people of same person
Few eyes.For example, the left eye of user and the iris information of right eye can be obtained simultaneously；Also the eyes of user can first be obtained
Iris information, then obtain the iris information of the eyes of lover user or friend.
Optionally, iris information concretely iris image, or formed after being encoded according to iris image
Iris data etc..
Step 102, the part iris information according to each eyes of preset algorithm extraction.
Exemplary, the iris image of two eyes can be obtained in a step 101, then extract each rainbow in this step
The part iris image of predetermined patterns in film image, such as extract the left half of iris image of first iris image, extraction
The right half of iris image of second iris image；Also the iris data of two eyes, Ran Hou can be obtained in a step 101
The part iris data of the predeterminated position in iris data corresponding to each eyes is extracted in this step, such as extracts first eye
The first half segment data of corresponding iris data, extract the later half segment data of iris data corresponding to second eye.
Step 103, the part iris information generation iris information sample according to each eyes.
Exemplary, can be according to the left half of iris image of first iris image extracted in step 102 and second
The right half of iris image of iris image synthesizes a complete splicing iris image, as iris information sample；Also can basis
Iris data corresponding to the first half segment data of iris data corresponding to first eye extracted in step 102 and second eye
The complete splicing iris data of one section of second half section Data Synthesis, as iris information sample.
Step 104, iris information sample matched with default iris information template, and determine to reflect according to matching result
Whether power succeeds.
It is exemplary, can be before iris authentication operations be triggered, in advance according to the method described above and the default rainbow of principle generation
Film information model.When the eyes for generating default iris information template are identical with the eyes for being currently used in authentication, iris letter
Cease sample with it is default iris information template will the match is successful, that is, authenticate successfully.When the people of no authority wants the end using user
During end, the iris information sample generated will not be with default iris information template matches, then authenticating to fail.
The method for authenticating that the embodiment of the present invention one provides, when iris authentication operations are triggered, obtain at least two eyes
Iris information, and the part iris information of each eyes is extracted according to preset algorithm, according to the part iris letter of each eyes
Breath generation iris information sample, is finally matched iris information sample with default iris information template, and tied according to matching
Fruit determines whether authentication succeeds.By using above-mentioned technical proposal, at least two are contained in the iris information sample generated
The part iris information of eyes, when the iris information of the single eyes of user is stolen, other people can not be according to single eyes
Iris information generates above-mentioned iris information sample, so as to pass through authentication.In addition, by the portion of at least two eyes in this programme
Point iris information is summarized in an iris information sample, can lift authentication efficiency.
Embodiment two
Fig. 2 is a kind of schematic flow sheet for method for authenticating that the embodiment of the present invention two provides, and the present embodiment is with above-mentioned implementation
Optimized based on example, in the present embodiment, before iris authentication operations are triggered, add and iris image template is set
Correlation step：When the operation of iris information template-setup is triggered, the iris information of at least two standard eyes is obtained；According to
Preset algorithm extracts the part iris information of each standard eyes；It is default according to the part iris information generation of each standard eyes
Iris information template.
Preferably, after iris image template is set, step can also be increased：Delete at least two acquired standards
The iris information of eyes.
Accordingly, the method for the present embodiment comprises the following steps：
Step 201, iris information template-setup operation be triggered when, obtain at least two standard eyes iris letter
Breath.
Exemplary, iris authentication setting options can be increased in the terminal, specifically can apply journey by making iris authentication
Sequence is simultaneously implanted into terminal system.When user enters iris authentication setting options, and selects to set iris information template, you can regard
It is triggered for the operation of iris information template-setup.
Exemplary, standard eyes are that user wishes eyes for generating iris information template.At least two eyes can
Two eyes including user oneself, or user oneself and other people at least one eyes.For example, use can be obtained simultaneously
The left eye at family and the iris information of right eye；Also can first obtain the iris information of the eyes of user, then obtain lover user or
The iris information of the eyes of friend person, it is necessary to which user can just authenticate success with other people while presence so when being authenticated,
Security can be further enhanced, is applicable to the checking flow higher to security requirement.
Step 202, the part iris information according to each standard eyes of preset algorithm extraction.
Exemplary, illustrated so that iris information is iris image as an example.Each standard eye is extracted according to preset algorithm
The part iris image of eyeball, it may include at least two subgraphs and compiled the iris segmentation of each standard eyes
Number, then obtain preset numbers subgraph.When splitting to the iris images of each standard eyes, the subgraph specifically split
The number of picture can be the same or different, and partitioning scheme can be the same or different.Preferably, average segmentation can be carried out.
Step 203, the default iris information template of part iris information generation according to each standard eyes.
Exemplary, this step concretely synthesizes default iris image template according to acquired subgraph.Further
, acquired subgraph can be ranked up according to predetermined manner, and iris image template is preset according to rank fusion.
Fig. 3 a are that user's iris of left eye image that the embodiment of the present invention two provides splits schematic diagram, and Fig. 3 b are implemented for the present invention
User's iris of right eye image segmentation schematic diagram that example two provides, Fig. 3 c are the offer of the embodiment of the present invention two according to Fig. 3 a and Fig. 3 b
In iris image generation the first default iris information template schematic diagram, Fig. 3 d are the basis that the embodiment of the present invention two provides
Second of default iris information template schematic diagram of the iris image generation in Fig. 3 a and Fig. 3 b.As best shown in figures 3 a and 3b, user
Iris of left eye image and iris of right eye image be averaged be divided into four subgraphs respectively, the subgraph of iris of left eye image point
Bian Hao not be A1, A2, A3 and A4, it is B1, B2, B3 and B4 that the subgraph of iris of right eye image is numbered respectively.Son can be extracted respectively
Image A1, A4, B2 and B3.As shown in Figure 3 c, subgraph can be put according to subgraph original number order, i.e. A1 is still
In the upper left corner, B2 still in the upper right corner, B3 still in the lower left corner and A4 still in the lower right corner, and then synthesize default iris figure
As template.As shown in Figure 3 d, the original number order of subgraph can be upset afterwards again to put subgraph, as A1 is changed to locate
It is changed to be changed to be changed to be in the upper right corner in the upper left corner and A4 in the lower right corner, B3 in the lower left corner, B2, is finally synthesizing default rainbow
Film image template.
Step 204, the iris information for deleting at least two acquired standard eyes.
One user would generally possess multiple terminals for possessing authentication functions, in traditional iris authentication scheme, obtain
It can be stored in after the complete iris information of one eye in terminal, and as iris authentication template, once terminal is lost, and it is therein
Complete iris information is easy to reveal, can be other eventually in user after other people obtain the complete iris information of the leakage
Hold easily by checking in authorizing procedure, so information security is also on the hazard in the other-end of user.
In the present embodiment, after the default iris information template of generation, at least two standards obtained before can be deleted
The iris information of eyes, after preventing user terminal from losing, complete iris information is caused to be revealed, and then threaten other
Information security in terminal.For example, user possesses terminal E and terminal F simultaneously, user's iris of both eyes image a is obtained in terminal E
And b, default iris image template c is synthesized according to the first algorithm, then deletes iris image a and b；User is obtained in terminal F
Iris of both eyes image a and b, default iris image template d is synthesized according to the second algorithm, then deletes iris image a and b.So,
The complete iris image a and b of user's eyes safety is ensured that, if terminal E is after released state is stolen or is stolen
It is cracked, due to only storing default iris image template c in terminal E, thief can not obtain the complete iris of user's eyes
Image a and b, it can not also be opened even if the terminal F for continuing to steal user, also, because default iris image template c and default rainbow
Film image template d is to employ what different algorithms synthesized, comprising each eyes part iris image it is different, can not
Enough default iris image template c opens terminal F, ensure that the information security in terminal F.
Step 205, when iris authentication operations are triggered, obtain at least two eyes iris information.
Step 206, the part iris information according to each eyes of preset algorithm extraction.
Exemplary, when setting iris information template with progress iris authentication, used preset algorithm is consistent,
It can so ensure that basis possesses iris information sample and the default iris information template phase that the eyes of access right are generated
Matching, so as to successfully pass authentication.
Step 207, the part iris information generation iris information sample according to each eyes.
Step 208, the iris information for deleting at least two acquired eyes.
Exemplary, on the basis of step 204, in order to ensure the complete iris image a and b of user's eyes safety,
In each iris authentication process, after generating iris information sample, the complete iris image a and b of user's eyes is also deleted.
Step 209, iris information sample matched with default iris information template, and determine to reflect according to matching result
Whether power succeeds.
Exemplary, the authentication that the method in the present embodiment can be applied in terminal screen unblock flow.Used for example, working as
When family wakes up terminal, system unlocks checking flow automatically into terminal screen, and the iris of both eyes information that camera obtains user is entered
Row authentication, solves lock screen, user can normal use terminal after authenticating successfully；When other people of no access right wake up terminal
When, system unlocks checking flow automatically into terminal screen, and the iris of both eyes information that camera obtains current operator is reflected
Power, the iris information sample generated will be unable to and preset iris information template matches, then failed authentication, terminal screen can not solve
Lock, so as to ensure the information security in user terminal.
The embodiment of the present invention two adds the related step for pre-setting iris image template on the basis of embodiment one
Suddenly, the step of and deleting the iris information of at least two acquired standard eyes and at least two eyes, can ensure to use
The safety of the complete iris information in family, after the terminal that user possesses is stolen, it still is able to ensure information in other-end
Safety.
Embodiment three
Fig. 4 be the embodiment of the present invention three provide a kind of authentication device structured flowchart, the device can be integrated in equipped with
In the various terminals of image collecting device.As shown in figure 4, the device includes：Iris information acquisition module 401, part iris letter
Cease extraction module 402, iris information sample generation module 403 and authentication module 404.
Wherein, iris information acquisition module 401, for when iris authentication operations are triggered, obtaining at least two eyes
Iris information；Part iris information extraction module 402, for extracting the part iris letter of each eyes according to preset algorithm
Breath；Iris information sample generation module 403, for the part iris information generation iris information sample according to each eyes；Mirror
Module 404 is weighed, determines to authenticate for iris information sample to be matched with default iris information template, and according to matching result
Whether succeed.
The authentication device that the embodiment of the present invention three provides, when iris authentication operations are triggered, mould is obtained by iris information
Block 401 obtains the iris information of at least two eyes, and is extracted often according to preset algorithm by part iris information extraction module 402
The part iris information of individual eyes, iris information sample generation module 403 generate rainbow according to the part iris information of each eyes
Film message sample, finally iris information sample is matched with default iris information template by authentication module 404, and according to
Determine whether authentication succeeds with result.By using above-mentioned technical proposal, contained at least in the iris information sample generated
The part iris information of two eyes, when the iris information of the single eyes of user is stolen, other people can not be according to single eye
The iris information of eyeball generates above-mentioned iris information sample, so as to pass through authentication.In addition, by least two eyes in this programme
Part iris information be summarized in an iris information sample, authentication efficiency can be lifted.
On the basis of above-described embodiment, iris information acquisition module can be additionally used in：It is triggered in iris authentication operations
Before, when the operation of iris information template-setup is triggered, obtain the iris information of at least two standard eyes；Part iris information
Extraction module can be additionally used in：The part iris information of each standard eyes is extracted according to preset algorithm；The device also includes default
Iris information template generation module, for the default iris information template of part iris information generation according to each standard eyes.
On the basis of above-described embodiment, the device may also include：Iris information removing module, for according to each mark
After the part iris information generation iris information template of quasi- eyes, the iris letter of at least two acquired standard eyes is deleted
Breath.
On the basis of above-described embodiment, the iris information concretely iris image.
On the basis of above-described embodiment, part iris information extraction module, iris segmentation unit may particularly include
With subgraph acquiring unit.Wherein, iris segmentation unit, for by the iris segmentation of each standard eyes at least
Two subgraphs are gone forward side by side line number；Subgraph acquiring unit, for obtaining the subgraph of preset numbers.Default iris information template
Generation module can be specifically used for：According to the acquired default iris image template of subgraph synthesis.
On the basis of above-described embodiment, iris segmentation unit can be specifically used for：By the iris of each standard eyes
Image averaging is divided at least two subgraphs and is numbered.Default iris information template generation module may include sequencing unit
With default iris information templated synthesis unit.Wherein, sequencing unit, for carrying out acquired subgraph according to predetermined manner
Sequence；Default iris information templated synthesis unit, for presetting iris image template according to rank fusion.
On the basis of above-described embodiment, at least two eyes may include two eyes of same person, or different people
In everyone at least one eyes.
Example IV
The embodiment of the present invention four provides a kind of mobile terminal, and the mobile terminal includes the authentication described in the embodiment of the present invention
Device, it can be authenticated by performing method for authenticating described in the embodiment of the present invention.
It is exemplary, mobile terminal in the present embodiment concretely smart mobile phone, tablet personal computer and notebook computer etc.
Equipped with the terminal of image collecting device.
The said goods can perform the method for authenticating that any embodiment of the present invention is provided, and possess the corresponding function of execution method
Module and beneficial effect.Not ins and outs of detailed description in the present embodiment, reference can be made to any embodiment of the present invention is provided
Method for authenticating.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (9)
- A kind of 1. method for authenticating, it is characterised in that including：When the operation of iris information template-setup is triggered, the iris image of at least two standard eyes is obtained；The part iris image of each standard eyes is extracted according to preset algorithm, including：By the iris image of each standard eyes It is divided at least two subgraphs and is numbered, obtains the subgraph of preset numbers；According to the acquired default iris image template of subgraph synthesis；When iris authentication operations are triggered, the iris image of at least two eyes is obtained；The part iris image of each eyes is extracted according to the preset algorithm；One complete splicing iris image is synthesized according to the part iris image of each eyes, as iris information sample This；The iris information sample is matched with default iris information template, and according to matching result determine authentication whether into Work(.
- 2. according to the method for claim 1, it is characterised in that in the part iris information according to each standard eyes After generating the default iris information template, in addition to：Delete the iris information of at least two acquired standard eyes.
- 3. according to the method for claim 1, it is characterised in that the iris segmentation by each standard eyes is into extremely Few two subgraphs are gone forward side by side line number, including：The iris image of each standard eyes is averagely divided at least two subgraphs and is numbered；The default iris image template is generated according to the part iris image of each standard eyes, including：Acquired subgraph is ranked up according to predetermined manner；Iris image template is preset according to the rank fusion.
- 4. according to the method for claim 1, it is characterised in that at least two eyes include two eyes of same person Everyone at least one eyes in eyeball, or different people.
- A kind of 5. authentication device, it is characterised in that including：Iris information acquisition module, for when the operation of iris information template-setup is triggered, obtaining at least two standard eyes Iris information；For when iris authentication operations are triggered, obtaining the iris information of at least two eyes；Part iris information extraction module, for extracting the part iris information of each standard eyes according to preset algorithm；Including： Iris segmentation unit, for the iris segmentation of each standard eyes at least two subgraphs and to be numbered； Subgraph acquiring unit, for obtaining the subgraph of preset numbers；For the portion that each eyes are extracted according to preset algorithm Divide iris information；Default iris information template generation module, for synthesizing default iris image template according to acquired subgraph；Iris information sample generation module, for synthesizing a complete splicing according to the part iris image of each eyes Iris image, as iris information sample；Authentication module, for the iris information sample to be matched with default iris information template, and according to matching result It is determined that whether authentication succeeds.
- 6. device according to claim 5, it is characterised in that also include：Iris information removing module, in the part iris information generation iris information template according to each standard eyes Afterwards, the iris information of at least two acquired standard eyes is deleted.
- 7. device according to claim 5, it is characterised in that the iris segmentation unit is specifically used for：The iris image of each standard eyes is averagely divided at least two subgraphs and is numbered；The default iris information template generation module includes：Sequencing unit, for being ranked up acquired subgraph according to predetermined manner；Default iris information templated synthesis unit, for presetting iris image template according to the rank fusion.
- 8. device according to claim 5, it is characterised in that at least two eyes include two eyes of same person Everyone at least one eyes in eyeball, or different people.
- 9. a kind of mobile terminal, it is characterised in that including the authentication device as any one of claim 5-8.
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| CN105868731A (en) * | 2016-04-15 | 2016-08-17 | 山西天地科技有限公司 | Binocular iris characteristic obtaining method, binocular iris characteristic obtaining device, identity identification method and identity identification system |
| CN106066957A (en) * | 2016-05-30 | 2016-11-02 | 广东欧珀移动通信有限公司 | The unlocking method of a kind of mobile terminal, device and mobile terminal |
| CN107944245A (en) * | 2017-11-28 | 2018-04-20 | 上海爱优威软件开发有限公司 | A kind of eyeball tracking iris unlocking method and system |
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