CN105760739A - Iris-recognition-based unlocking method and system thereof - Google Patents
Iris-recognition-based unlocking method and system thereof Download PDFInfo
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- CN105760739A CN105760739A CN201610257253.6A CN201610257253A CN105760739A CN 105760739 A CN105760739 A CN 105760739A CN 201610257253 A CN201610257253 A CN 201610257253A CN 105760739 A CN105760739 A CN 105760739A
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- 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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Abstract
The invention relates to the field of communication and discloses an iris-recognition-based unlocking method and a system thereof. The iris-recognition-based unlocking method includes the following steps that either or both of a gravity sensor or a gyroscope is/are adopted to detect the state of a mobile terminal; if the mobile terminal is detected to be in the preset state, an infrared camera is switched on, and iris images of a user is obtained; if the obtained iris images are matched with the preset iris images, a screen of the mobile terminal is controlled to be unlocked. According to the iris-recognition-based unlocking method and the system thereof, the iris recognition function of the mobile terminal can be automatically started under the specific condition so that the iris images of the user can be recognized automatically when the user takes up the mobile terminal, coherent unlocking and screen brightening motions are achieved, and the operation mode is relatively convenient.
Description
Technical field
The present invention relates to the communications field, particularly to based on the solution locking method of iris identification and system thereof.
Background technology
In recent years, continuous progressive along with the development of communication technology and epoch, mobile phone has become requisite communication tool in people's daily life, this is because mobile phone carries convenient, uses simple, brings great convenience to the life of people.And along with becoming increasingly popular of Internet technology, privacy is also increasingly paid attention to by people, scientific and technical personnel are also increasing to the research of information security in mobile phone.Such as: in prior art, it is used mostly password unblock or fingerprint is unlocked, mobile phone could be operated when unlocking successfully.But password unlocks and unlocked by fingerprint there is also various potential safety hazard, it is easy to be cracked.Based on this, this area developer designs the unlocking manner based on iris identification.Iris recognition technology is based on the iris in eyes and carries out identification, was applied to security device field (such as gate inhibition etc.) more and had the place of highly confidential demand in the past.Individual handset is currently also had to be equipped with this application to realize the demand for security of user's higher level.
But iris recognition technology of the prior art there is also techniques below problem: the display screen of mobile phone is in when going out screen state, it is necessary to screen is lighted in user's manual operation.When screen is in bright screen state, application processor just can start after receiving the trigger condition of iris identification and the iris image of user is entered and identifies.The existing mobile phone unlocked based on iris identification cannot realize continuity and unlock bright screen action, can cause that the experience of user is not good.
Summary of the invention
It is an object of the invention to provide a kind of solution locking method based on iris identification and system thereof, it is possible under given conditions, automatically turn on the iris identifying function of mobile terminal.It is thus possible to realize automatically the iris image of user being identified when user picks up mobile terminal, it is achieved continuity unlocks bright screen action, and mode of operation is comparatively convenient.
For solving above-mentioned technical problem, embodiments of the present invention provide a kind of solution locking method based on iris identification, comprise the steps of a kind of state detecting mobile terminal at least adopted in gravity sensor or gyroscope；If be detected that mobile terminal is in preset state, then open infrared camera, obtain the iris image of user；If the iris image obtained matches with the iris image prestored, then control the unlocking screen of mobile terminal.
Embodiments of the present invention additionally provide a kind of system for unlocking based on iris identification, comprise: detection module, judge module, respond module, matching module, screen control module, and wherein, detection module is including at least the one in gravity sensor or gyroscope；Detection module, at least adopting a kind of state detecting mobile terminal in gravity sensor or gyroscope；Judge module, is used for judging whether mobile terminal is in preset state；Respond module, for when judge module judges that mobile terminal is in preset state, opening infrared camera, obtain the iris image of user；Matching module, for judging the iris image obtained is with whether the iris image prestored matches；Screen control module, for when matching module judges that the iris image obtained matches with the iris image prestored, controlling the unlocking screen of mobile terminal.
Embodiment of the present invention is in terms of existing technologies, by detecting the state of mobile terminal, and when detecting that mobile terminal is in preset state, open infrared camera, obtain the iris image of user, allow under given conditions, automatically turn on the iris identifying function of mobile terminal, can realize making mobile terminal automatically turn on iris identifying function when being in preset state when user picks up mobile terminal, control the unlocking screen of mobile terminal, such that it is able to realize automatically the iris image of user being identified when user picks up mobile terminal, realize continuity and unlock bright screen action, and mode of operation is comparatively convenient.
It addition, adopt in the step of the state of gravity sensor detection mobile terminal, the gravity sensor detection mobile terminal acceleration in the X-axis of this mobile terminal, Y-axis and Z-direction respectively, and judge, according to acceleration, the angle that mobile terminal offsets.Gravity sensor detection mobile terminal is adopted to judge, at the acceleration of above-mentioned three axles, the angle that mobile terminal offsets so that the detection of mobile terminal state to be easily achieved, adds the feasibility of the present invention.And, the state of the mobile terminal obtained by the way is comparatively accurate and not error-prone, is conducive to the development and Design of developer.
It addition, adopt in the step of the state of gyroscope detection mobile terminal, the angular velocity of gyroscope detection mobile terminal, and judge, according to angular velocity, the angle that mobile terminal offsets.Adopt the angle of gyroscope detection mobile terminal skew so that the detection of mobile terminal state is easily achieved, adds the feasibility of the present invention.And, the state of the mobile terminal obtained by the way is comparatively accurate and not error-prone, is conducive to the development and Design of developer.
It addition, the state of range sensor detection mobile terminal can also be adopted when detecting the state of mobile terminal；Detect whether mobile terminal is in the step of preset state in judgement, also comprise the current distance judging face and mobile terminal whether in preset range.By the distance of the angle of detection mobile terminal skew and face and mobile terminal all when preset state, then open infrared camera, obtain the iris image of user.It is thus possible to guarantee, when user needs to adopt iris identifying function that mobile terminal is operated, just to open infrared camera, obtain the iris image of user；The state making the mobile terminal of detection is more accurate, and the degree of accuracy of detection can be made by the way higher.
It addition, after judging the step that mobile terminal is in preset state to be detected, opening infrared camera, before obtaining the step of iris image of user, control screen and be in bright screen state.In this way, even if the original state of mobile terminal is display screen is in screen state of going out, it is also possible to directly the state according to detection mobile terminal decides whether to enable the iris identifying function of mobile terminal.Thus so that the convenience of user operation is better, and Consumer's Experience is preferably.
It addition, after judging to detect that mobile terminal is in preset state, opening infrared camera, before obtaining the step of iris image of user, also comprise the steps of if be detected that current intensity of illumination is lower than preset value, then open infrared light compensating lamp.If dark in the environment residing for mobile terminal, then the iris image of the user of acquisition for mobile terminal may be unintelligible.Now, when the iris image of the user of acquisition is compared with the iris image prestored, it is possible to there will be erroneous judgement.Can carrying out light filling by opening infrared light compensating lamp, the iris image making the user of acquisition is comparatively clear, it is possible to reduce the erroneous judgement when light condition is not good.
Accompanying drawing explanation
Fig. 1 be according in first embodiment of the invention based on iris identification solve locking method flow chart；
Fig. 2 is according to the original state schematic diagram of mobile terminal in first embodiment of the invention；
Fig. 3 is the schematic diagram being angularly offset according to mobile terminal in first embodiment of the invention；
Fig. 4 be according in second embodiment of the invention based on iris identification solve locking method flow chart；
Fig. 5 be according in third embodiment of the invention based on iris identification solve locking method flow chart；
Fig. 6 be according in four embodiment of the invention based on the block diagram of the system for unlocking of iris identification；
Fig. 7 be according in sixth embodiment of the invention based on the block diagram of the system for unlocking of iris identification.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the embodiments of the present invention are explained in detail.But, it will be understood by those skilled in the art that in each embodiment of the present invention, propose many ins and outs in order to make reader be more fully understood that the application.But, even without these ins and outs with based on the many variations of following embodiment and amendment, it is also possible to realize the application each claim technical scheme required for protection.
First embodiment of the present invention relates to a kind of solution locking method based on iris identification.The method is by detecting the state of mobile terminal, and when detecting that mobile terminal is in preset state, opens infrared camera, obtains the iris image of user so that under given conditions, can automatically turn on the iris identifying function of mobile terminal.Idiographic flow is as it is shown in figure 1, comprise the steps of
Step 101, the current state of detection mobile terminal.Wherein, present embodiment can adopt a kind of state detecting mobile terminal in gravity sensor or gyroscope.
Specifically, gravity sensor or gyroscope can be connected to application processor by respective serial communication interface.The operating current of gravity sensor and gyroscope is all smaller, it is possible to the screen at mobile terminal is in when going out screen state, is still within duty.
When adopting the state of gravity sensor detection mobile terminal, the gravity sensor detection mobile terminal acceleration in the X-axis of this mobile terminal, Y-axis and Z-direction respectively, and the current state of mobile terminal is judged according to acceleration.
It is noted that when adopting the state of gyroscope detection mobile terminal, the angular velocity of gyroscope detection mobile terminal, and the current state of mobile terminal is judged according to angular velocity.
It is seen that, adopt the state of aforesaid way detection mobile terminal so that the detection of mobile terminal state is easily achieved, adds the feasibility of the present invention.And, the state of the mobile terminal obtained by the way is comparatively accurate and not error-prone, is conducive to the development and Design of developer.
Step 102, it is judged that whether the angle of mobile terminal skew is in preset range.If the angle that the current state of mobile terminal offsets relative to original state is in preset range, then enter step 103；Otherwise, step 101 is returned.
In this step, the preset range of the angle of mobile terminal skew being not particularly limited, this preset range can be set according to the best angle of actual design requirement and iris identification.Illustrate for the original state of mobile terminal for vertical state: as shown in Figure 2, the original state assuming mobile terminal is the state indicated by Fig. 2, so user pick up mobile terminal prepare it is operated time, the mobile terminal meeting relative to Fig. 2 offsets.Specifically, it is possible to offset more than the 15 degree preset range as above-mentioned skew (if the angle of i.e. mobile terminal skew is more than 15 degree, then can be determined that the angle that mobile terminal offsets is in preset range) for mobile terminal and illustrate.If the angle of mobile terminal skew is within 15 degree, then the difference of the mobile terminal acceleration when the current acceleration of X-axis is with original state is at-1m/s2(m/s2Refer to the unit of acceleration) to+1m/s2Between；The difference of the mobile terminal acceleration when the current acceleration of Y-axis is with original state is at 6m/s2To+9m/s2Between；The difference of the mobile terminal acceleration when the current acceleration of Z axis is with original state is at-3m/s2To+6m/s2Between.
If it is noted that as it is shown on figure 3, mobile terminal along diagram direction according to being rotated clockwise 20 degree, then can be determined that the angle that mobile terminal offsets is in preset range.
Step 103, opens infrared camera, obtains the iris image of user.
If it is noted that the original state of mobile terminal is screen state of going out, while opening infrared camera, now controls screen be in bright screen state；Or first control screen is in bright screen state and opens infrared photography again.
Step 104, it is judged that whether the iris image of acquisition matches with the iris image prestored.If the iris image obtained matches with the iris image prestored, then enter step 105；Otherwise, terminate.
Step 105, controls the unlocking screen of mobile terminal.In this step, the application processor in mobile terminal controls the unlocking screen of mobile terminal, is operated for user.
By foregoing, it is seen that, in present embodiment, it is possible to achieve make mobile terminal automatically turn on iris identifying function when being in preset state when user picks up mobile terminal, obtain the iris image of user.And when the iris image obtained matches with the iris image prestored, control the unlocking screen of mobile terminal.Such that it is able to realize automatically the iris image of user being identified when user picks up mobile terminal, it is achieved continuity unlocks bright screen action, and mode of operation is comparatively convenient.
Second embodiment of the present invention relates to a kind of solution locking method based on iris identification.Second embodiment improves on the basis of the first embodiment, mainly thes improvement is that: in this second embodiment, when ambient light is more weak, it is possible to strengthen intensity of illumination by opening light compensating lamp.
As shown in Figure 4, wherein, step 401 is similar to step 102 with the step 101 in the first embodiment to step 402, does not repeat them here for idiographic flow.
Step 403, detects current intensity of illumination.
Specifically, mobile terminal can utilize intensity of illumination detection unit (such as intensity of illumination sensor) himself installed, it is achieved the detection to intensity of illumination.This does not repeat them here for prior art.It is worth mentioning that, intensity of illumination detection unit in embodiment of the present invention is not limited to intensity of illumination sensor, it can also be the sensor of other measurement intensity of illumination, or the testing circuit (testing circuit with photoconductive resistance) of detection current light intensity can also be that by, as long as the purpose of this step can be realized.
Step 404, it is judged that whether current intensity of illumination is lower than preset value.If current intensity of illumination is lower than preset value, then enter step 405；Otherwise, step 406 is entered.
Such as, the illumination intensity value preset is N1, and currently detected illumination intensity value is N2.If N2 < N1, then enter step 405, if N2 is more than or equal to N1, then enter step 406.
Step 405, opens infrared light compensating lamp.The application processor of mobile terminal controls infrared light compensating lamp and opens.
Step 406, opens infrared camera, obtains the iris image of user.
If it is noted that the original state of mobile terminal is screen state of going out, while opening infrared camera, now controls screen be in bright screen state；Or first control screen is in bright screen state and opens infrared photography again.Further, this step 406 is not limited to carry out after step 405, it is also possible to be open infrared camera while open infrared light compensating lamp.
Step 407 is similar to step 105 with the step 104 in the first embodiment to step 408, does not repeat them here.
In present embodiment, can carrying out light filling by opening infrared light compensating lamp, the iris image making the user of acquisition is comparatively clear, it is possible to reduce the erroneous judgement when light condition is not good.
3rd embodiment of the present invention relates to a kind of solution locking method based on iris identification.3rd embodiment improves on the basis of the second embodiment, mainly thes improvement is that: in the third embodiment, can also adopt the state of range sensor detection mobile terminal when detecting the state of mobile terminal.
As it is shown in figure 5, step 501 is similar with the step 401 in the second embodiment, do not repeat them here.
Step 502, the distance of detection face and mobile terminal.Specifically, it is possible to adopt the distance of range sensor detection face and mobile terminal.
Step 503, it is judged that whether the angle of mobile terminal skew and the current distance of face and mobile terminal be all in preset range.If the angle of mobile terminal skew also in preset range, then enters step 504 in the current distance of preset range, face and mobile terminal, otherwise, return step 501.
The preset range of face and the distance of mobile terminal is not limited by this step, can according to the needs of actual design, and the infrared emission power of the actual range sensor adopted and accuracy of detection are set, such as: can set that to be within arbitrary value between 25 centimetres to 45 centimetres.
It is noted that range sensor is connected to application processor by the communication serial interface of itself, and the operating current of range sensor is smaller, it is possible to the screen at mobile terminal is in when going out screen and is still within duty.
Mobile terminal skew angle in preset range, the current distance of face and mobile terminal is also in preset range, then open infrared camera, obtain the iris image of user, subsequent step and the second embodiment are similar, it is to say, the step 504 in present embodiment is similar with the step 403 in the second embodiment to step 408 to step 509, do not repeat them here.
By foregoing, it is seen that, by the distance of the angle of detection mobile terminal skew and face and mobile terminal all when preset state, then open infrared camera, obtain the iris image of user.It is thus possible to guarantee, when user needs to adopt iris identifying function that mobile terminal is operated, just to open infrared camera, obtain the iris image of user；The state making the mobile terminal of detection is more accurate, and the degree of accuracy of detection can be made by the way higher.
The step of various methods divides above, is intended merely to description clear, it is achieved time can be merged into a step or some step is split, and is decomposed into multiple step, as long as comprising identical logical relation, all in the protection domain of this patent；To adding inessential amendment in algorithm or in flow process or introducing inessential design, but do not change the core design of its algorithm and flow process all in the protection domain of this patent.
Four embodiment of the invention relates to a kind of system for unlocking based on iris identification.As shown in Figure 6, should comprising based on the system for unlocking of iris identification: detection module, judge module, respond module, matching module, screen control module, wherein, detection module is including at least the one in gravity sensor or gyroscope；Detection module, at least adopting a kind of state detecting mobile terminal in gravity sensor or gyroscope；Judge module, is used for judging whether mobile terminal is in preset state；Respond module, for when judge module judges that mobile terminal is in preset state, opening infrared camera, obtain the iris image of user；Matching module, for judging the iris image obtained is with whether the iris image prestored matches；Screen control module, for when matching module judges that the iris image obtained matches with the iris image prestored, controlling the unlocking screen of mobile terminal.
Preferably, respond module, it is additionally operable to opening infrared camera, while obtaining the iris image of user, controls screen and be in bright screen state.
By foregoing, it is seen that, by least adopting a kind of state detecting mobile terminal in gravity sensor or gyroscope so that the detection mode of mobile terminal state is relatively simple, testing result is comparatively accurate, and is easily achieved.And when mobile terminal is in preset state, infrared camera can be opened, obtain the iris image of user so that the iris identifying function of mobile terminal under given conditions, can be automatically turned on.It is thus possible to realize making mobile terminal automatically turn on iris identifying function when being in preset state when user picks up mobile terminal, obtain the iris image of user.And when the iris image obtained matches with the iris image prestored, control the unlocking screen of mobile terminal.Such that it is able to realize automatically the iris image of user being identified when user picks up mobile terminal, it is achieved continuity unlocks bright screen action, and mode of operation is comparatively convenient.
It is seen that, present embodiment is the system embodiment corresponding with the first embodiment, and present embodiment can be worked in coordination enforcement with the first embodiment.The relevant technical details mentioned in first embodiment is still effective in the present embodiment, in order to reduce repetition, repeats no more here.Correspondingly, the relevant technical details mentioned in present embodiment is also applicable in the first embodiment.
It is noted that each module involved in present embodiment is logic module, in actual applications, a logical block can be a physical location, it is also possible to be a part for a physical location, it is also possible to realize with the combination of multiple physical locations.Additionally, for the innovative part highlighting the present invention, do not introduced by the unit less close with solving technical problem relation proposed by the invention in present embodiment, but this is not intended that in present embodiment to be absent from other unit.
Fifth embodiment of the invention relates to a kind of system for unlocking based on iris identification.5th embodiment improves on the basis of the 4th embodiment, mainly thes improvement is that: in the 5th embodiment, is opening infrared camera, before obtaining the iris image of user, current intensity of illumination detected.
Specifically, detection module, it is additionally operable to after detecting that mobile terminal is in preset state, is opening infrared camera, before obtaining the step of iris image of user, detect current intensity of illumination；Judge module, is additionally operable to judge that whether current intensity of illumination is lower than preset value；Respond module, is additionally operable to judge that current intensity of illumination is lower than preset value, opens infrared light compensating lamp at judge module.
Owing to the second embodiment is mutually corresponding with present embodiment, therefore present embodiment can be worked in coordination enforcement with the second embodiment.The relevant technical details mentioned in second embodiment is still effective in the present embodiment, and the technique effect that can reach in this second embodiment is in the present embodiment too it is achieved that in order to reduce repetition, repeat no more here.Correspondingly, the relevant technical details mentioned in present embodiment is also applicable in the second embodiment.
Sixth embodiment of the invention relates to a kind of system for unlocking based on iris identification.4th embodiment improves on the basis of the 5th embodiment, mainly thes improvement is that: in the 6th embodiment, as it is shown in fig. 7, detection module also comprises range sensor；Above-mentioned detection module, is additionally operable to adopt the state of range sensor detection mobile terminal；Above-mentioned judge module, is additionally operable to the current distance judging face and mobile terminal whether in preset range；Above-mentioned respond module, is additionally operable to, when judge module judges that the current distance of face and mobile terminal is in preset range, open infrared camera, obtain the iris image of user.
Owing to the 3rd embodiment is mutually corresponding with present embodiment, therefore present embodiment can be worked in coordination enforcement with the 3rd embodiment.The relevant technical details mentioned in 3rd embodiment is still effective in the present embodiment, and the technique effect that can reach in the third embodiment is in the present embodiment too it is achieved that in order to reduce repetition, repeat no more here.Correspondingly, the relevant technical details mentioned in present embodiment is also applicable in the 3rd embodiment.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the invention, and in actual applications, it is possible in the form and details it is done various change, without departing from the spirit and scope of the present invention.
Claims (10)
1. the solution locking method based on iris identification, it is characterised in that comprise the steps of
At least adopt a kind of state detecting mobile terminal in gravity sensor or gyroscope；
If be detected that described mobile terminal is in preset state, then open infrared camera, obtain the iris image of user；
If the iris image of described acquisition matches with the iris image prestored, then control the unlocking screen of described mobile terminal.
2. the solution locking method based on iris identification according to claim 1, it is characterized in that, in the step of the state of described employing gravity sensor detection mobile terminal, the described gravity sensor detection described mobile terminal acceleration in the X-axis of this mobile terminal, Y-axis and Z-direction respectively, and judge, according to described acceleration, the angle that described mobile terminal offsets.
3. the solution locking method based on iris identification according to claim 1, it is characterized in that, in the step of the state of described employing gyroscope detection mobile terminal, described gyroscope detects the angular velocity of described mobile terminal, and judges, according to described angular velocity, the angle that described mobile terminal offsets.
4. the solution locking method based on iris identification according to claim 1, it is characterised in that range sensor can also be adopted when detecting the state of described mobile terminal to detect the state of described mobile terminal；
Detect whether described mobile terminal is in the step of preset state in judgement, also comprise the current distance judging face and mobile terminal whether in preset range.
5. the solution locking method based on iris identification according to claim 1, it is characterized in that, after judging the step that described mobile terminal is in preset state to be detected, open infrared camera described, before obtaining the step of iris image of user, control described screen and be in bright screen state.
6. the solution locking method based on iris identification according to claim 1, it is characterised in that after judging to detect that described mobile terminal is in preset state, opening infrared camera, before obtaining the step of iris image of user, also comprises the steps of
If be detected that current intensity of illumination is lower than preset value, then open infrared light compensating lamp.
7. the system for unlocking based on iris identification, it is characterised in that comprise: detection module, judge module, respond module, matching module, screen control module, wherein, described detection module is including at least the one in gravity sensor or gyroscope；
Described detection module, at least adopting a kind of state detecting mobile terminal in gravity sensor or gyroscope；
Described judge module, is used for judging whether described mobile terminal is in preset state；
Described respond module, for when described judge module judges that described mobile terminal is in preset state, opening infrared camera, obtain the iris image of user；
Described matching module, the iris image being used for judging described acquisition is with whether the iris image prestored matches；
Described screen control module, during for judging that at described matching module the iris image of described acquisition matches with the iris image prestored, controls the unlocking screen of described mobile terminal.
8. the system for unlocking based on iris identification according to claim 7, it is characterised in that described detection module also comprises range sensor；
Described detection module, is additionally operable to adopt the state of described range sensor detection mobile terminal；
Described judge module, is additionally operable to the current distance judging face and mobile terminal whether in preset range；
Described respond module, is additionally operable to, when described judge module judges that the current distance of face and mobile terminal is in preset range, open infrared camera, obtain the iris image of user.
9. the system for unlocking based on iris identification according to claim 7, it is characterised in that described respond module, is additionally operable to opening infrared camera, while obtaining the iris image of user, controls described screen and is in bright screen state.
10. the system for unlocking based on iris identification according to claim 7, it is characterised in that
Described detection module, be additionally operable to described detect that mobile terminal is in preset state after, described opening infrared camera, before obtaining the step of iris image of user, detecting current intensity of illumination；
Described judge module, is additionally operable to judge that whether current intensity of illumination is lower than preset value；
Described respond module, is additionally operable to judge that current intensity of illumination is lower than preset value at described judge module, and while opening infrared camera, opens infrared light compensating lamp.
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| CN107315941A (en) * | 2017-07-04 | 2017-11-03 | 上海传英信息技术有限公司 | Mobile terminal and mobile terminal unlocking method |
| CN109255218A (en) * | 2017-07-12 | 2019-01-22 | 上海荆虹电子科技有限公司 | A kind of motional induction unlocking method and system based on bio-identification terminal |
| CN107451443A (en) * | 2017-07-14 | 2017-12-08 | 广东欧珀移动通信有限公司 | Iris identification method and related product |
| WO2019011238A1 (en) * | 2017-07-14 | 2019-01-17 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Iris-based living-body detection method, mobile terminal and storage medium |
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