CN103019561A - Unlocking method and device based on double cameras - Google Patents
Unlocking method and device based on double cameras Download PDFInfo
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- CN103019561A CN103019561A CN2012105008621A CN201210500862A CN103019561A CN 103019561 A CN103019561 A CN 103019561A CN 2012105008621 A CN2012105008621 A CN 2012105008621A CN 201210500862 A CN201210500862 A CN 201210500862A CN 103019561 A CN103019561 A CN 103019561A
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Abstract
The invention is applicable to the field of mobile terminals and provides an unlocking method and an unlocking device based on double cameras. The unlocking method comprises the following steps: when an unlocking trigger command is received, opening the double cameras, and acquiring image data; comparing and matching the acquired image data with 3D (three-dimensional) picture data stored locally; and when the data are matched, unlocking equipment. According to the technical scheme, the unlocking process can be achieved only when the image data acquired by the double cameras is completely matched with the 3D picture data stored locally; and if other people try to steal the picture for unlocking, unlocking authentication cannot be passed because the stolen picture is an planar image and does not comprise 3D image characteristics of a user face, thus greatly improving the unlocking safety.
Description
Technical field
The invention belongs to technical field of mobile terminals, relate in particular to a kind of unlock method based on dual camera and device.
Background technology
It mainly is to realize by the Password Input release that present terminal device carries out release, but the user need to re-enter unlocking pin when each start enters system, cumbersome like this, simultaneously, because the input password is revealed easily, bring unsafe hidden danger to the user, camera identification release based on image recognition technology has also appearred at present for this reason, its principle is: the face-image that obtains the user behind the unlatching camera, and the image that gets access to and user's face-image of pre-save compared, when image is consistent, can assert that the active user is validated user, what but this method was used is that plane picture mates, and therefore is easy to go release by the mode of usurping photo, causes like this it to lack security.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of unlock method based on dual camera and device, be intended to solve the technical matters that existing camera solution lock technology easily is cracked, security is not high.
On the one hand, described unlock method based on dual camera comprises the steps:
When receiving the release triggering command, open dual camera, and obtain view data;
With the view data that gets access to and the local 3D picture data of the preserving coupling of comparing;
When Data Matching, the finishing equipment release.
On the other hand, described tripper based on dual camera comprises
Image acquisition unit is used for opening dual camera when receiving the release triggering command, and obtains view data;
The Data Matching unit is used for the view data that will get access to and the local 3D picture data of the preserving coupling of comparing;
Equipment solution lock unit is used for when coupling is consistent the finishing equipment release.
The invention has the beneficial effects as follows: in technical scheme of the present invention, what dual camera got access to is the data of two width of cloth images, therefore the data of this two width of cloth image just can comprise the 3D rendering feature of user's face, when therefore described two width of cloth images being compared with the 3D picture data of the local user's face that prestores, when data are all consistent, can assert that just the active user is that validated user is finished release, if other people attempt by usurping the photo release, because the photo of usurping is plane picture, the 3D rendering feature that does not comprise user's face, therefore can't by the release authentication, therefore can greatly improve the release security like this.
Description of drawings
Fig. 1 is the process flow diagram based on the unlock method of dual camera that first embodiment of the invention provides;
Fig. 2 is the process flow diagram based on the unlock method of dual camera that second embodiment of the invention provides;
Fig. 3 is the block diagram based on the tripper of dual camera that third embodiment of the invention provides;
Fig. 4 is the block diagram based on the tripper of dual camera that fourth embodiment of the invention provides.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Present embodiment is applicable to have the release of the terminal device of dual camera, and described dual camera is positioned at the same side, can get access to simultaneously user's facial image information, and the existing front and back that places respectively mobile phone with the portable terminal of mobile phone owing to two cameras, therefore be not suitable for the present invention, but apparent, can improve this existing mobile phone, preferably, can increase a camera in the front of mobile phone, two positive cameras just are similar to people's eyes like this, can see the both direction image information, therefore these two cameras get access to image information the time different, wherein comprised the 3D rendering information of user's face.
For technical solutions according to the invention are described, describe below by specific embodiment.
Embodiment one:
The flow process based on the unlock method of dual camera that Fig. 1 shows that first embodiment of the invention provides only shows the part relevant with the embodiment of the invention for convenience of explanation.
The unlock method based on dual camera that present embodiment provides comprises:
Step S101, when receiving the release triggering command, open dual camera, and obtain view data.
The user is when needs unlocker device terminal, generate release triggering command access arrangement release interface by triggering respective keys, begin the dual camera of device end this moment, this moment, dual camera can get access to the two-way view data, as a kind of implementation, can demonstrate in real time the page of finding a view of two cameras this moment on the release interface, so also be convenient to the user and adjust posture, improves the release success ratio.
Step S102, with the view data that gets access to and the local 3D picture data of the preserving coupling of comparing.
Preserve the 3D picture data of user's face in this locality, this 3D picture data is comprised of the image of the both direction of user's face, need in this step and will get access to view data and the local 3D picture data coupling of comparing, during specific implementation, can on the release interface, begin to carry out images match by the button triggering by the user, can automatically the view data that gets access to be mated every Preset Time, present embodiment is not done concrete restriction yet.
Step S103, when Data Matching, the finishing equipment release.
As long as can assert just when requiring that the active user is legal and finish release when the described view data that gets access to and the described local 3D picture data of preserving meet coupling.Because in this enforcement, what preserve in the terminal device is user's mug shot data of both direction, therefore only having dual camera to get access to view data and this 3D picture data just can assert by release when all the same, therefore only can't finish release by plane picture, so just can increase the security of release.
Embodiment two:
The flow process based on the unlock method of dual camera that Fig. 2 shows that second embodiment of the invention provides only shows the part relevant with the embodiment of the invention for convenience of explanation.
The unlock method based on dual camera that present embodiment provides comprises:
Step S201, when receiving the image acquisition instruction, open dual camera and enter the image acquisition interface;
Step S202, receiving when gather determining instruction, obtain the image of current visual angle, and save as the 3D picture data to local.
Above-mentioned steps S201, S202 has mainly realized user's face-image this locality that prestores, before using the dual camera release, the user need to gather by described dual camera the face-image of oneself, save as 3D photo form (JPS form), described 3D photo form is comprised of two photos, respectively to be taken by described two cameras to obtain, because the position of described two cameras is different, therefore the direction of user's face of photographing of these two cameras is inconsistent, and the data that this 3D photo comprises are exactly the foundation as release, as long as the user can release.
Step S203, when receiving the release triggering command, open dual camera;
Step S204, obtain the view data of current visual angle every Preset Time, described view data is the data of two captured photos of dual camera.
Above-mentioned steps S203, S204 be step S101 among the embodiment one a kind of specifically preferred embodiment, in order to make things convenient for release, described dual camera obtains the view data of current visual angle every Preset Time (such as 50ms), so just can realize that image obtains continuously and matches well continuously, accelerated release speed, once just obtain view data iff triggering by the user, the coupling of comparing again, this can affect release speed greatly.
Step S205, with the view data that gets access to and the local 3D picture data of the preserving coupling of comparing;
Step S206, when the error of described two photos data and described 3D picture data counterpart all within limits time the, finishing equipment release.
After getting access to view data at every turn, be the data of two photos that get access to of described dual camera, with the two photos data that get access to and the local 3D picture data of the preserving coupling of comparing, described 3D picture data is the data of two mug shots prestoring of user, therefore only has the data homogeneous phase of two photos data that current dual camera gets access to and local two mug shots that prestore simultaneously, just can finish release, but when specific implementation, because dual camera is difficult to get access to duplicate picture data when prestoring when release, therefore in the present embodiment, as long as the error of described two photos data and described 3D picture data counterpart is all within limits the time, can assert that the active user is legal, finish release, so also can not shine into the situation that validated user also can't release.
Step S207, when remaining unfulfilled within a certain period of time coupling during release, locking terminal equipment.
In the present embodiment, if after release a period of time, when remaining unfulfilled the coupling release, such as 10s, this moment, normally the disabled user carried out release, therefore this moment can locking terminal equipment, needs the user again to trigger again and enter the release interface, could trigger entering the release interface after perhaps needing to postpone a period of time.
Present embodiment has realized that the user can oneself record the 3D photo that release uses and be saved to this locality, after opening described dual camera, the fast automatic view data of obtaining, and the coupling of comparing, when coupling is qualified, finish release, still for finishing coupling during release, lock described terminal device when within a certain period of time.Present embodiment is compared with embodiment one, is a kind of specifically preferred, complete embodiment.
Embodiment three:
The structure based on the tripper of dual camera that Fig. 3 shows that third embodiment of the invention provides only shows the part relevant with the embodiment of the invention for convenience of explanation.
The tripper based on dual camera that present embodiment provides comprises:
Equipment solution lock unit 303 is used for when coupling is consistent the finishing equipment release.
Each functional unit 301-303 correspondence that this enforcement provides has realized the step S101-S 103 among the embodiment one, concrete, image acquisition unit 301 is opened dual camera when receiving the release triggering command, and obtain view data, the figure that Data Matching unit 302 will get access to, as data and the local 3D picture data of the preserving coupling of comparing, when mating equipment solution lock unit 303 finishing equipment releases when consistent.In the present embodiment, what preserve in the terminal device is user's mug shot data of both direction, therefore only having dual camera to get access to view data and this 3D picture data just can assert by release when all the same, therefore only can't finish release by plane picture, increase like this security of release.
Embodiment four:
The structure based on the tripper of dual camera that Fig. 4 shows that fourth embodiment of the invention provides only shows the part relevant with the embodiment of the invention for convenience of explanation.
The tripper based on dual camera that present embodiment provides comprises:
Equipment solution lock unit 45 is used for when coupling is consistent the finishing equipment release;
Wherein, described image acquisition unit 43 comprises:
Image data acquisition module 432, for the view data of obtaining current visual angle every Preset Time, described view data is the data of two captured photos of dual camera.
Wherein, described equipment solution lock unit 45 comprises:
Each functional unit that this enforcement provides and functional module correspondence have realized each step among the embodiment two, compare with embodiment three, present embodiment has increased image acquisition units 41, Image Saving unit 42 and equipment lock cell 46, and a kind of concrete preferred structure that has provided image acquisition unit 43 and equipment solution lock unit 45, by the present embodiment technical scheme, the user can record the 3D photo that release uses and be saved to this locality, after opening described dual camera, the fast automatic view data of obtaining, and the coupling of comparing, when coupling is qualified, finish release, when remaining unfulfilled within a certain period of time the coupling release, lock described terminal device.
One of ordinary skill in the art will appreciate that, realize that all or part of step in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be in being stored in computer read/write memory medium, described storage medium is such as ROM/RAM, disk, CD etc.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the unlock method based on dual camera is characterized in that, described method is applicable to have the release of the terminal device of dual camera, and described method comprises:
When receiving the release triggering command, open dual camera, and obtain view data;
With the view data that gets access to and the local 3D picture data of the preserving coupling of comparing;
When Data Matching, the finishing equipment release.
2. method as claimed in claim 1 is characterized in that, describedly opens dual camera when receiving the release triggering command, and obtains the view data step, specifically comprises:
When receiving the release triggering command, open dual camera;
Obtain the view data of current visual angle every Preset Time, described view data is the data of two captured photos of dual camera.
3. method as claimed in claim 2 is characterized in that described when Data Matching, finishing equipment release step specifically comprises:
When the error of described two photos data and described 3D picture data counterpart all within limits the time, the finishing equipment release.
4. method as claimed in claim 3 is characterized in that, described the view data that gets access to and the local 3D picture data of preserving is compared after the coupling step, also comprises:
When remaining unfulfilled within a certain period of time the coupling release, locking terminal equipment.
5. such as claim 1-4 method as described in each, it is characterized in that, describedly when receiving the release triggering command, open dual camera, and obtain before the view data step, also comprise:
When receiving the image acquisition instruction, open dual camera and enter the image acquisition interface;
When receiving the definite instruction of collection, obtain the image of current visual angle, and save as the 3D picture data to local.
6. the tripper based on dual camera is characterized in that, described device is applicable to have the release of the terminal device of dual camera, and described device comprises:
Image acquisition unit is used for opening dual camera when receiving the release triggering command, and obtains view data;
The Data Matching unit is used for the view data that will get access to and the local 3D picture data of the preserving coupling of comparing;
Equipment solution lock unit is used for when coupling is consistent the finishing equipment release.
7. install as claimed in claim 6, it is characterized in that described image acquisition unit comprises:
The camera opening module is used for opening dual camera when receiving the release triggering command;
The image data acquisition module, for the view data of obtaining current visual angle every Preset Time, described view data is the data of two captured photos of dual camera.
8. install as claimed in claim 7, it is characterized in that described equipment solution lock unit comprises:
Separate lock module, be used for when the error of described two photos data and described 3D picture data counterpart all within limits the time finishing equipment release.
9. install as claimed in claim 8, it is characterized in that described device also comprises:
The equipment lock cell is used for remaining unfulfilled within a certain period of time equipment release, locking terminal equipment.
10. such as claim 6-10 device as described in each, it is characterized in that described device also comprises:
Image acquisition units is used for when receiving the image acquisition instruction, opens dual camera and enters the image acquisition interface;
The Image Saving unit is used for obtaining the image of current visual angle when receiving the definite instruction of collection, and saves as the 3D picture data to local.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105008621A CN103019561A (en) | 2012-11-28 | 2012-11-28 | Unlocking method and device based on double cameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105008621A CN103019561A (en) | 2012-11-28 | 2012-11-28 | Unlocking method and device based on double cameras |
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| CN103019561A true CN103019561A (en) | 2013-04-03 |
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| CN2012105008621A Pending CN103019561A (en) | 2012-11-28 | 2012-11-28 | Unlocking method and device based on double cameras |
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Cited By (10)
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| CN104268456A (en) * | 2014-09-26 | 2015-01-07 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for authenticating through images |
| CN105787308A (en) * | 2014-12-22 | 2016-07-20 | 中兴通讯股份有限公司 | Terminal and terminal unlocking method |
| CN105809049A (en) * | 2014-12-30 | 2016-07-27 | 中兴通讯股份有限公司 | Encryption method and device, decryption method and device, and mobile terminal |
| CN105912903A (en) * | 2016-04-06 | 2016-08-31 | 上海斐讯数据通信技术有限公司 | Unlocking method for mobile terminal, and mobile terminal |
| WO2016173249A1 (en) * | 2015-04-29 | 2016-11-03 | 捷开通讯(深圳)有限公司 | Eyeprint recognition unlocking method and system based on environmental screening frame |
| CN106126995A (en) * | 2016-06-30 | 2016-11-16 | 宇龙计算机通信科技(深圳)有限公司 | Unlocking method, tripper and terminal |
| CN106445328A (en) * | 2016-08-31 | 2017-02-22 | 维沃移动通信有限公司 | Unlocking method of mobile terminal screen, and mobile terminal |
| CN107770042A (en) * | 2017-09-22 | 2018-03-06 | 河源市美晨联合智能硬件电子研究院 | Terminal and its method, the storage device that message is handled based on recognition of face |
| CN108108686A (en) * | 2017-12-18 | 2018-06-01 | 信利光电股份有限公司 | A kind of unlocking screen method, apparatus, equipment and computer readable storage medium |
| CN108830069A (en) * | 2018-06-25 | 2018-11-16 | 北京金山安全软件有限公司 | Screen locking and unlocking method and device, electronic equipment and storage medium |
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| CN104268456B (en) * | 2014-09-26 | 2017-07-14 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method and device authenticated by image |
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| CN107770042A (en) * | 2017-09-22 | 2018-03-06 | 河源市美晨联合智能硬件电子研究院 | Terminal and its method, the storage device that message is handled based on recognition of face |
| CN107770042B (en) * | 2017-09-22 | 2021-04-20 | 河源市美晨联合智能硬件电子研究院 | Terminal and method and storage device for processing messages based on face recognition |
| CN108108686A (en) * | 2017-12-18 | 2018-06-01 | 信利光电股份有限公司 | A kind of unlocking screen method, apparatus, equipment and computer readable storage medium |
| CN108830069A (en) * | 2018-06-25 | 2018-11-16 | 北京金山安全软件有限公司 | Screen locking and unlocking method and device, electronic equipment and storage medium |
| CN108830069B (en) * | 2018-06-25 | 2020-02-28 | 北京金山安全软件有限公司 | Screen locking and unlocking method and device, electronic equipment and storage medium |
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Application publication date: 20130403 |