CN105184133A - Authentication method and apparatus, and corresponding mobile terminal - Google Patents
Authentication method and apparatus, and corresponding mobile terminal Download PDFInfo
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- CN105184133A CN105184133A CN201510464372.4A CN201510464372A CN105184133A CN 105184133 A CN105184133 A CN 105184133A CN 201510464372 A CN201510464372 A CN 201510464372A CN 105184133 A CN105184133 A CN 105184133A
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- iris
- iris information
- eyes
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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
Abstract
Embodiments of the present invention provide an authentication method and apparatus, and a corresponding mobile terminal. The method comprises: when an iris authentication operation is triggered, obtaining iris information of at least two eyes; according to a preset algorithm, extracting partial iris information of each eye; according to the partial iris information of each eye, generating an iris information sample; and matching the iris information sample with a preset iris information template, and according to a matching result, determining whether the authentication is successful. The method and apparatus, and corresponding mobile terminal provided by the embodiments of the present invention adopt the above technical solution, so that the generated iris information sample comprises the partial iris information of the at least two eyes. When iris information of a single eye of a user is stolen, others cannot generate the above iris information sample according to the iris information of the single eye, and thus cannot pass the authentication. In addition, in the solution, integrating the partial iris information of the at least two eyes into one iris information sample can improve authentication efficiency.
Description
Technical field
The embodiment of the present invention relates to authentication techniques field, particularly relates to a kind of method for authenticating, device and corresponding mobile terminal.
Background technology
In order to ensure the information security of user, general terminal device all can provide authentication functions.Traditional authentication functions is realized by password authentification, and in recent years, the authentication mode based on biological characteristics such as fingerprints is widely used.
The iris of human eye is the same with fingerprint, is unique, and the iris of left and right eyes is completely not identical yet.The fibr tissue details of iris is complicated and enrich, and its formation is relevant with the physical and chemical condition of this tissue local of embryogenetic stage, there is great randomness, the information that each iris comprises is not identical, occur that the possibility of the identical iris tissue of form is well below its hetero-organization, just because of iris has above-mentioned characteristic, John's many mambos scholar of univ cambridge uk has just invented iris authentication techniques.
In the existing scheme based on iris authentication, usually only carry out authentication based on the complete iris of eyes (left eye or right eye), once the iris information of these eyes is revealed, the information of user and property safety will be subject to great threat.
Summary of the invention
The object of the embodiment of the present invention proposes a kind of method for authenticating, device and corresponding mobile terminal, with solve when user be used for the left eye of authentication or the iris information of right eye be stolen time, traditional iris authentication mode cannot continue the problem of the information security of guarantee user.
First aspect, embodiments provides a kind of method for authenticating, comprising:
When iris authentication operations is triggered, obtain the iris information of at least two eyes;
The part iris information of each eyes is extracted according to preset algorithm;
Part iris information according to described each eyes generates iris information sample;
Described iris information sample is mated with default iris information template, and whether successful according to matching result determination authentication.
Second aspect, embodiments provides a kind of authentication device, comprising:
Iris information acquisition module, for when iris authentication operations is triggered, obtains the iris information of at least two eyes;
Part iris information extraction module, for extracting the part iris information of each eyes according to preset algorithm;
Iris information sample generation module, generates iris information sample for the part iris information according to described each eyes;
Authentication module, for described iris information sample is mated with default iris information template, and whether successful according to matching result determination authentication.
The third aspect, embodiments provides a kind of mobile terminal, comprises 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 is triggered, obtain the iris information of at least two eyes, and the part iris information of each eyes is extracted according to preset algorithm, part iris information according to each eyes generates iris information sample, finally iris information sample is mated with default iris information template, and whether successful according to matching result determination authentication.By adopting technique scheme, 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 cannot generate above-mentioned iris information sample according to the iris information of single eyes, thus cannot pass through authentication.In addition, in this programme, the part iris information of at least two eyes is summarized in an iris information sample, authentication efficiency can be promoted.
Accompanying drawing explanation
The schematic flow sheet of a kind of method for authenticating that Fig. 1 provides for the embodiment of the present invention one;
The schematic flow sheet of a kind of method for authenticating that Fig. 2 provides for the embodiment of the present invention two;
User's iris of left eye Iamge Segmentation schematic diagram that Fig. 3 a provides for the embodiment of the present invention two;
User's iris of right eye Iamge Segmentation schematic diagram that Fig. 3 b provides for the embodiment of the present invention two;
The first default iris information template schematic diagram generated according to the iris image in Fig. 3 a and Fig. 3 b that Fig. 3 c provides for the embodiment of the present invention two;
What Fig. 3 d provided for the embodiment of the present invention two presets iris information template schematic diagram according to the second of the iris image generation in Fig. 3 a and Fig. 3 b;
The structured flowchart of a kind of authentication device that Fig. 4 provides for the embodiment of the present invention three.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
Before in further detail exemplary embodiment being discussed, it should be mentioned that some exemplary embodiments are described as the process or method described as process flow diagram.Although every step is described as the process of order by process flow diagram, many steps wherein can be implemented concurrently, concomitantly or simultaneously.In addition, the order of every step can be rearranged.When its step completes, described process can be terminated, but can also have the additional step do not comprised in the accompanying drawings.Described process can correspond to method, function, code, subroutine and subroutine etc.
Embodiment one
The schematic flow sheet of a kind of method for authenticating that Fig. 1 provides for the embodiment of the present invention one, the method can be performed by authentication device, and wherein this device can by software and/or hardware implementing, and accessible site is in the various terminals being equipped with image collecting device.As shown in Figure 1, the method comprises:
Step 101, when iris authentication operations is triggered, obtain the iris information of at least two eyes.
In the present embodiment, described terminal specifically can be the mobile terminals such as mobile phone, panel computer and notebook computer, also can be the other-ends such as desk-top computer.Exemplary, described image collecting device specifically can be camera, and accessible site, in terminal, is also connected with terminal by modes such as data line connections.
Exemplary, the method for authenticating in the present embodiment can be applicable to as various needs the such as terminal screen unblock, terminal system unblock, application program unblock and payment verification carry out in the scene of authentication.Iris authentication operations is triggered and specifically can fingering enters above-mentioned as checking flow processs such as terminal screen unblock, terminal system unblock, application program unblock and payment verification, such as, when user wakes terminal up, screen is lock-out state, system automatically enters terminal screen and unlocks checking flow process, namely triggers iris authentication operations.
Exemplary, at least two eyes can comprise two eyes of same person, or everyone at least one eye in different people.Such as, the left eye of user and the iris information of right eye can be obtained simultaneously; Also first can obtain the iris information of eyes of user, then obtain the iris information of eyes of lover user or friend.
Optionally, iris information specifically can be iris image, also can be and carries out according to iris image the rear iris data etc. formed of encoding.
Step 102, extract the part iris information of each eyes according to preset algorithm.
Exemplary, the iris image of two eyes can be obtained in a step 101, then extracting the part iris image of the predetermined patterns in each iris image in this step, as extracted the iris image of left one side of something of first iris image, extracting the iris image of right one side of something of second iris image; Also the iris data of two eyes can be obtained in a step 101, then the part iris data of the predeterminated position in iris data corresponding to each eyes is extracted in this step, as extracted the first half segment data of iris data corresponding to first eye, extract the second half section data of iris data corresponding to second eye.
Step 103, generate iris information sample according to the part iris information of each eyes.
Exemplary, a complete splicing iris image can be synthesized, as iris information sample according to the left half of iris image of first iris image extracted in step 102 and the right half of iris image of second iris image; Also can according to the complete splicing iris data of the second half section Data Synthesis one section of the first half segment data of iris data corresponding to first eye extracted in step 102 and iris data corresponding to second eye, as iris information sample.
Step 104, iris information sample to be mated with default iris information template, and according to the whether success of matching result determination authentication.
Exemplary, can before iris authentication operations be triggered, in advance according to the method described above and principle generate and preset iris information template.When the eyes for generating default iris information template are identical with the current eyes for authentication, iris information sample and default iris information template just can the match is successful, i.e. authentication success.When wanting when there is no the people of authority to use the terminal of user, the iris information sample generated can not with default iris information template matches, then authentication can failure.
The method for authenticating that the embodiment of the present invention one provides, when iris authentication operations is triggered, obtain the iris information of at least two eyes, and the part iris information of each eyes is extracted according to preset algorithm, part iris information according to each eyes generates iris information sample, finally iris information sample is mated with default iris information template, and whether successful according to matching result determination authentication.By adopting technique scheme, 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 cannot generate above-mentioned iris information sample according to the iris information of single eyes, thus cannot pass through authentication.In addition, in this programme, the part iris information of at least two eyes is summarized in an iris information sample, authentication efficiency can be promoted.
Embodiment two
The schematic flow sheet of a kind of method for authenticating that Fig. 2 provides for the embodiment of the present invention two, the present embodiment is optimized based on above-described embodiment, in the present embodiment, before iris authentication operations is triggered, add the correlation step that iris image template is set: when the operation of iris information template-setup is triggered, obtain the iris information of at least two standard eyes; The part iris information of each standard eyes is extracted according to preset algorithm; Generate according to the part iris information of each standard eyes and preset iris information template.
Preferably, after setting iris image template, also step can be increased: the iris information of deleting at least two the standard eyes obtained.
Accordingly, the method for the present embodiment comprises the steps:
Step 201, iris information template-setup operation be triggered time, obtain the iris information of at least two standard eyes.
Exemplary, iris authentication setting options can be increased in the terminal, specifically by making iris authentication application program and implanting in terminal system.When user enters iris authentication setting options, and when selecting to arrange iris information template, namely can be considered that the operation of iris information template-setup is triggered.
Exemplary, standard eyes and user wish the eyes for generating iris information template.At least two eyes can comprise two eyes of user oneself, or user oneself and other people at least one eye.Such as, the left eye of user and the iris information of right eye can be obtained simultaneously; Also the iris information of eyes of user can first be obtained, obtain the iris information of the eyes of lover user or friend again, like this when carrying out authentication, need user and other people exist simultaneously just can authentication success, security can be strengthened further, be applicable to the checking flow process higher to security requirement.
Step 202, extract the part iris information of each standard eyes according to preset algorithm.
Exemplary, be that iris image is described for iris information.Extract the part iris image of each standard eyes according to preset algorithm, can comprise and become at least two subimages to go forward side by side line number the iris segmentation of each standard eyes, then obtain the subimage of preset numbers.When splitting the iris image of each standard eyes, the number of the subimage of concrete segmentation can be the same or different, and partitioning scheme can be the same or different.Preferably, can be averaged segmentation.
Step 203, to generate according to the part iris information of each standard eyes and preset iris information template.
Exemplary, this step specifically can be presets iris image template according to the synthesis of obtained subimage.Further, according to predetermined manner, obtained subimage can be sorted, and preset iris image template according to rank fusion.
User's iris of left eye Iamge Segmentation schematic diagram that Fig. 3 a provides for the embodiment of the present invention two, user's iris of right eye Iamge Segmentation schematic diagram that Fig. 3 b provides for the embodiment of the present invention two, the first default iris information template schematic diagram generated according to the iris image in Fig. 3 a and Fig. 3 b that Fig. 3 c provides for the embodiment of the present invention two, what Fig. 3 d provided for the embodiment of the present invention two presets iris information template schematic diagram according to the second of the iris image generation in Fig. 3 a and Fig. 3 b.As best shown in figures 3 a and 3b, the iris of left eye image of user and iris of right eye image are slit into four subimages by average mark respectively, the subimage of iris of left eye image is numbered A1, A2, A3 and A4 respectively, and the subimage of iris of right eye image is numbered B1, B2, B3 and B4 respectively.Subimage A1, A4, B2 and B3 can be extracted respectively.As shown in Figure 3 c, can put according to the original number order of subimage to subimage, namely A1 is still in the upper left corner, B2 and is still in the upper right corner, B3 and is still in the lower left corner and A4 is still in the lower right corner, and then iris image template is preset in synthesis.As shown in Figure 3 d, again subimage is put after can upsetting the original number order of subimage, be in the lower left corner as A1 changes into, B2 change into be in the lower right corner, B3 changes into and is in the upper left corner and A4 and changes into and be in the upper right corner, iris image template is preset in finally synthesis.
The iris information of at least two standard eyes that step 204, deletion obtain.
A user can have multiple terminal possessing authentication functions usually; in traditional iris authentication scheme; can be stored in terminal after the complete iris information of acquisition eyes; and as iris authentication template; once terminal loss, complete iris information is wherein easy to reveal, after other people obtain the complete iris information of this leakage; just can easily by checking in other terminal authentication flow process of user, so information security is also on the hazard in the other-end of user.
In the present embodiment, preset after iris information template in generation, the iris information of at least two the standard eyes obtained before can deleting, after the terminal loss preventing user, cause complete iris information to be revealed, and then threaten the information security in other-end.Such as, user has terminal E and terminal F simultaneously, obtains user's iris of both eyes image a and b in terminal E, presets iris image template c, delete iris image a and b subsequently according to the first algorithm synthesis; In terminal F, obtain user's iris of both eyes image a and b, preset iris image template d according to the second algorithm synthesis, delete iris image a and b subsequently.Like this, just ensure that the safety of iris image a and b that user's eyes are complete, if terminal E is cracked after released state is stolen or is stolen, owing to only storing default iris image template c in terminal E, thief cannot obtain complete iris image a and b of user's eyes, even if the terminal F continuing to steal user also cannot open, and, because preset iris image template c and default iris image template d to have employed different algorithm synthesis, the part iris image of each eyes comprised is different, terminal F can not be opened with default iris image template c, ensure that the information security in terminal F.
Step 205, when iris authentication operations is triggered, obtain the iris information of at least two eyes.
Step 206, extract the part iris information of each eyes according to preset algorithm.
Exemplary, consistent arranging iris information template with the preset algorithm adopted when carrying out iris authentication, can ensure that the iris information sample that the eyes that basis possesses rights of using generate and default iris information template match like this, thus successfully pass authentication.
Step 207, generate iris information sample according to the part iris information of each eyes.
The iris information of at least two eyes that step 208, deletion obtain.
Exemplary, on the basis of step 204, in order to ensure the safety of iris image a and b that user's eyes are complete, in each iris authentication process, after generating iris information sample, also to delete iris image a and b that user's eyes are complete.
Step 209, iris information sample to be mated with default iris information template, and according to the whether success of matching result determination authentication.
Exemplary, the method in the present embodiment can be applied to the authentication in terminal screen unblock flow process.Such as, when user wakes terminal up, system automatically enters terminal screen and unlocks checking flow process, and the iris of both eyes information that camera obtains user carries out authentication, unlock screen after authentication success, and user normally can use terminal; When other people not having rights of using wake terminal up, system automatically enters terminal screen and unlocks checking flow process, the iris of both eyes information that camera obtains current operator carries out authentication, the iris information sample generated cannot with default iris information template matches, then failed authentication, terminal screen cannot unlock, thus ensures the information security in user terminal.
The embodiment of the present invention two is on the basis of embodiment one, add the correlation step pre-setting iris image template, and delete the step of iris information of at least two standard eyes obtaining and at least two eyes, the safety of the iris information that user is complete can be ensured, after the terminal had user is stolen, still can guarantee the safety of information in other-end.
Embodiment three
The structured flowchart of a kind of authentication device that Fig. 4 provides for the embodiment of the present invention three, this device accessible site is in the various terminals being equipped with image collecting device.As shown in Figure 4, this device comprises: iris information acquisition module 401, part iris information extraction module 402, iris information sample generation module 403 and authentication module 404.
Wherein, iris information acquisition module 401, for when iris authentication operations is triggered, obtains the iris information of at least two eyes; Part iris information extraction module 402, for extracting the part iris information of each eyes according to preset algorithm; Iris information sample generation module 403, generates iris information sample for the part iris information according to each eyes; Authentication module 404, for iris information sample is mated with default iris information template, and whether successful according to matching result determination authentication.
The authentication device that the embodiment of the present invention three provides, when iris authentication operations is triggered, the iris information of at least two eyes is obtained by iris information acquisition module 401, and extracted the part iris information of each eyes according to preset algorithm by part iris information extraction module 402, iris information sample generation module 403 generates iris information sample according to the part iris information of each eyes, finally by authentication module 404, iris information sample is mated with default iris information template, and whether successful according to matching result determination authentication.By adopting technique scheme, 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 cannot generate above-mentioned iris information sample according to the iris information of single eyes, thus cannot pass through authentication.In addition, in this programme, the part iris information of at least two eyes is summarized in an iris information sample, authentication efficiency can be promoted.
On the basis of above-described embodiment, iris information acquisition module also can be used for: before iris authentication operations is triggered, and when the operation of iris information template-setup is triggered, obtains the iris information of at least two standard eyes; Part iris information extraction module also can be used for: the part iris information extracting each standard eyes according to preset algorithm; This device also comprises default iris information template generation module, presets iris information template for generating according to the part iris information of each standard eyes.
On the basis of above-described embodiment, this device also can comprise: iris information removing module, for after generating iris information template according to the part iris information of each standard eyes, deletes the iris information of at least two the standard eyes obtained.
On the basis of above-described embodiment, described iris information specifically can be iris image.
On the basis of above-described embodiment, part iris information extraction module, specifically can comprise iris segmentation unit and subimage acquiring unit.Wherein, iris segmentation unit, for line number of being gone forward side by side by the iris segmentation of each standard eyes one-tenth at least two subimages; Subimage acquiring unit, for obtaining the subimage of preset numbers.Presetting iris information template generation module can be specifically for: preset iris image template according to the synthesis of obtained subimage.
On the basis of above-described embodiment, iris segmentation unit can be specifically for: the iris image average mark of each standard eyes is slit at least two subimages and goes forward side by side line number.Preset iris information template generation module and can comprise sequencing unit and default iris information templated synthesis unit.Wherein, sequencing unit, for sorting obtained subimage according to predetermined manner; Preset 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 can comprise two eyes of same person, or everyone at least one eye in different people.
Embodiment four
The embodiment of the present invention four provides a kind of mobile terminal, and this mobile terminal comprises the authentication device described in the embodiment of the present invention, carries out authentication by performing method for authenticating described in the embodiment of the present invention.
Exemplary, the mobile terminal in the present embodiment specifically can be the terminal that smart mobile phone, panel computer and notebook computer etc. are equipped with image collecting device.
The said goods can perform the method for authenticating that any embodiment of the present invention provides, and possesses the corresponding functional module of manner of execution and beneficial effect.The not ins and outs of detailed description in the present embodiment, the method for authenticating that can provide see any embodiment of the present invention.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (15)
1. a method for authenticating, is characterized in that, comprising:
When iris authentication operations is triggered, obtain the iris information of at least two eyes;
The part iris information of each eyes is extracted according to preset algorithm;
Part iris information according to described each eyes generates iris information sample;
Described iris information sample is mated with default iris information template, and whether successful according to matching result determination authentication.
2. method according to claim 1, is characterized in that, before iris authentication operations is triggered, also comprises:
When the operation of iris information template-setup is triggered, obtain the iris information of at least two standard eyes;
The part iris information of each standard eyes is extracted according to described preset algorithm;
Part iris information according to described each standard eyes generates described default iris information template.
3. method according to claim 2, is characterized in that, after generating described default iris information template according to the part iris information of described each standard eyes, also comprises:
Delete the iris information of at least two the standard eyes obtained.
4. method according to claim 2, is characterized in that, described iris information is iris image.
5. method according to claim 4, is characterized in that, extracts the part iris image of each standard eyes, comprising according to described preset algorithm:
At least two subimages are become to go forward side by side line number the iris segmentation of each standard eyes;
Obtain the subimage of preset numbers;
Part iris image according to described each standard eyes generates described default iris image template, comprising:
According to the described default iris image template of obtained subimage synthesis.
6. method according to claim 5, is characterized in that, described line number of being gone forward side by side by the iris segmentation of each standard eyes one-tenth at least two subimages, comprising:
The iris image average mark of each standard eyes is slit at least two subimages to go forward side by side line number;
Part iris image according to described each standard eyes generates described default iris image template, comprising:
According to predetermined manner, obtained subimage is sorted;
Iris image template is preset according to described rank fusion.
7. method according to claim 1, is characterized in that, described at least two eyes comprise two eyes of same person, or everyone at least one eye in different people.
8. an authentication device, is characterized in that, comprising:
Iris information acquisition module, for when iris authentication operations is triggered, obtains the iris information of at least two eyes;
Part iris information extraction module, for extracting the part iris information of each eyes according to preset algorithm;
Iris information sample generation module, generates iris information sample for the part iris information according to described each eyes;
Authentication module, for described iris information sample is mated with default iris information template, and whether successful according to matching result determination authentication.
9. device according to claim 8, is characterized in that,
Described iris information acquisition module also for: before iris authentication operations is triggered, when iris information template-setup operation be triggered time, obtain the iris information of at least two standard eyes;
Described part iris information extraction module is also for the part iris information extracting each standard eyes according to described preset algorithm;
Described device also comprises default iris information template generation module, generates described default iris information template for the part iris information according to described each standard eyes.
10. device according to claim 9, is characterized in that, also comprises:
Iris information removing module, for after generating iris information template according to the part iris information of described each standard eyes, deletes the iris information of at least two the standard eyes obtained.
11. devices according to claim 9, is characterized in that, described iris information is iris image.
12. devices according to claim 11, is characterized in that,
Described part iris information extraction module, comprising:
Iris segmentation unit, for line number of being gone forward side by side by the iris segmentation of each standard eyes one-tenth at least two subimages;
Subimage acquiring unit, for obtaining the subimage of preset numbers;
Described default iris information template generation module specifically for:
According to the described default iris image template of obtained subimage synthesis.
13. devices according to claim 12, is characterized in that, described iris segmentation unit specifically for:
The iris image average mark of each standard eyes is slit at least two subimages to go forward side by side line number;
Described default iris information template generation module comprises:
Sequencing unit, for sorting obtained subimage according to predetermined manner;
Preset iris information templated synthesis unit, for presetting iris image template according to described rank fusion.
14. devices according to claim 8, is characterized in that, described at least two eyes comprise two eyes of same person, or everyone at least one eye in different people.
15. 1 kinds of mobile terminals, is characterized in that, comprise the authentication device according to any one of claim 8-14.
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| CN107220636A (en) * | 2017-06-30 | 2017-09-29 | 广东欧珀移动通信有限公司 | Control method, electronic installation and computer-readable recording medium |
| 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 |
| CN108537030A (en) * | 2018-04-18 | 2018-09-14 | 北京旷视科技有限公司 | Management method, device and the electronic equipment of identity-based identification |
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