CN104700017A - Automatic unlocking method, system and terminal based on face recognition - Google Patents
Automatic unlocking method, system and terminal based on face recognition Download PDFInfo
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Abstract
The invention provides an automatic unlocking method, system and terminal based on face recognition. The method includes the following steps: a terminal obtains and stores the face feature information; when the terminal detects that the distance between the face and a terminal screen is smaller than the preset value, a backlight of the terminal screen is light up and the light-off period of the backlight is set; in the light-off period of the backlight, the terminal scans the face and obtains the scanning result; the scanning result is compared with the face feature information so that the face recognition degree can be obtained; and the terminal controls the access of the terminal according to the obtained face recognition degree and the preset value. The automatic unlocking method, system and terminal based on the face recognition realizes the technical scheme that the access of the terminal can be controlled according to the face recognition degree, ensures of a certain degree of access of the terminal under the condition that the recognition of the face is failed to some extent, and greatly improves the experience of a user.
Description
Technical field
The invention belongs to intelligent unlocking field, particularly relate to a kind of based on recognition of face automatic unlocking method, system and terminal.
Background technology
Prior art discloses a kind of mobile phone unlock method based on face characteristic information, comprising: step one, mobile phone is installed recognition of face system for unlocking; Step 2, runs recognition of face system for unlocking, and by the front-facing camera shooting human face photo of mobile phone, recognition of face system for unlocking comparison film carries out analyzing and processing, obtains face characteristic information, generates mobile phone unlocking information packet and is kept in mobile phone memory; Step 3, in mobile phone unlock interface, front-facing camera is taken facing to face, recognition of face system for unlocking comparison film carries out analyzing and processing, obtain face characteristic information, then compare with the face characteristic information in mobile phone unlocking information packet, if unanimously, mobile phone exits lock-out state; If inconsistent, mobile phone keeps lock-out state.
Such scheme Problems existing is, if recognition failures, then cannot conduct interviews, and causes user normally to use.
Summary of the invention
The invention provides a kind of based on recognition of face automatic unlocking method, system and terminal, to solve the problem.
The invention provides a kind of method based on recognition of face automatic unlocking.Said method comprises the following steps:
Terminal obtains and stores face characteristic information;
When terminal detects that the distance between face and terminal screen is less than preset value, terminal screen backlight lights and sets backlight closes the cycle;
Within the backlight closedown cycle, terminal scans described face, obtains scanning result; And the face characteristic information of described scanning result and storage is compared, obtain recognition of face degree;
Terminal, according to the described recognition of face degree obtained, according to preset strategy, controls the access to described terminal.
The present invention also provides a kind of based on recognition of face automatic unlocking system, comprises terminal, image processor; Wherein, described terminal is connected with described image processor;
Described image processor, for storing face characteristic information and the face characteristic information of storage being sent to described terminal;
Described terminal, for obtaining and storing face characteristic information from described image processor; When distance also for detecting between face and terminal screen is less than preset value, terminal screen backlight lights and sets backlight closes the cycle; Also within the backlight closedown cycle, described face is scanned, obtain scanning result; And the face characteristic information of described scanning result and storage is compared, obtain recognition of face degree; Also for according to the described recognition of face degree obtained, according to preset strategy, control the access to described terminal.
The present invention also provides a kind of based on recognition of face automatic unlocking terminal, comprises acquiring unit, setup unit, scanning comparing unit, access control unit; Wherein, described scanning comparing unit is connected with described acquiring unit, described setup unit respectively; Described scanning comparing unit is directly connected with described access control unit;
Described acquiring unit, for obtaining and storing face characteristic information and be sent to described scanning comparing unit;
Described setup unit, when the distance for detecting between face and terminal screen is less than preset value, terminal screen backlight lights and sets backlight and closes the cycle and be sent to described scanning comparing unit;
Described scanning comparing unit, within the backlight closedown cycle, scans described face, obtains scanning result; And the face characteristic information of described scanning result and storage is compared, obtain recognition of face degree and be sent to described access control unit;
Described access control unit, for according to the described recognition of face degree obtained, according to preset strategy, controls the access to terminal.
Compared to prior art, according to provided by the invention based on recognition of face automatic unlocking method, system and terminal, achieve according to recognition of face degree, control the technical scheme to terminal access, ensure that when recognition of face failure to a certain extent, to the access to a certain degree of terminal, greatly improve the experience of user.
In addition, when the distance detecting between face and terminal screen by the range sensor in terminal is less than the first preset value, triggering terminal screen backlight lights and sets the scheme that backlight closes the cycle, achieves the scheme that automatic backlight lights, greatly improves the experience of user.
In addition, by following scheme: if recognition of face degree is less than the second preset value, then allow to operate public information in terminal and according to recognition of face extent and scope, allow content type and the target backlight of access to close cycle control table, determine that the target backlight closedown cycle is T1 second; Under guarantee face does not identify successful situation completely, under the prerequisite of access terminal, have adjusted backlight further and close the cycle, decrease the interference to user to a certain extent, greatly improve the experience of user.
In addition, by following scheme: if recognition of face degree is more than or equal to the second preset value, then terminal starts aid identification system, if by the certification of aid identification system, then allow the privately owned fileinfo in user's access terminal and close cycle control table according to recognition of face extent and scope, the content type allowing access and target backlight, determining that target backlight closes the cycle is T2 second, in guarantee according to recognition of face degree, under the prerequisite of access terminal, ensure the information security of user further.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Figure 1 shows that the embodiment of the present invention 1 based on recognition of face automatic unlocking method flow diagram;
Figure 2 shows that the embodiment of the present invention 2 based on recognition of face automatic unlocking system construction drawing;
Figure 3 shows that the embodiment of the present invention 3 based on recognition of face automatic unlocking terminal structure figure.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Figure 1 shows that the embodiment of the present invention 1 based on recognition of face automatic unlocking method flow diagram, comprise the following steps:
Step 101: terminal obtains and stores face characteristic information;
Terminal obtains and the mode storing face characteristic information is: image scanning module periodic scanning face characteristic information in terminal carrying out stores or terminal obtains face characteristic information and stores from third party entity (such as: image processor).
Step 102: when terminal detects that the distance between face and terminal screen is less than preset value, terminal screen backlight lights and sets backlight closes the cycle;
When range sensor in terminal detects that the distance between face and terminal screen is less than the first preset value, triggering terminal screen backlight lights and sets backlight closes the cycle.
Backlight is closed cycle T and can be set flexibly in the application of reality, such as: T=120 second.
Step 103: within the backlight closedown cycle, terminal scans described face, obtains scanning result; And the face characteristic information of described scanning result and storage is compared, obtain recognition of face degree;
Within the backlight closedown cycle, in terminal, image scanning module scans described face, obtains facial image; The face characteristic information of the described facial image obtained and storage is compared, obtains recognition of face degree.
Step 104: terminal, according to the described recognition of face degree obtained, according to preset strategy, controls the access to described terminal.
Terminal according to obtain described recognition of face degree, according to preset strategy, control to the process of the access of described terminal be:
Terminal is according to the described recognition of face degree obtained, and recognition of face extent and scope, the content type allowing access and target backlight close cycle control table (as shown in table 1), determines that the content of permission access, target backlight close the cycle.
Content type and the target backlight of recognition of face extent and scope, permission access close cycle control table
| Recognition of face extent and scope (X) | Allow the content type of access | Target backlight closes the cycle |
| 0 < X < second preset value | Public information | T1 second |
| X >=the second preset value | Privately owned fileinfo | T2 second |
Table 1
Terminal is according to the described recognition of face degree obtained, and recognition of face extent and scope, the content type allowing access and target backlight close cycle control table (as shown in table 1), determines that the process allowing the content of access, target backlight to close the cycle is:
If recognition of face degree is less than the second preset value, then allow to operate public information in terminal and according to recognition of face extent and scope, allow content type and the target backlight of access to close cycle control table, determine that the target backlight closedown cycle is T1 second.
Wherein, described second preset value can set according to actual conditions, such as: 95%; T2 > T1.
Terminal operates public information, such as: in terminal, browse webpage, use office software.
If recognition of face degree is more than or equal to the second preset value, then terminal starts aid identification system, if by the certification of aid identification system, then allow the privately owned fileinfo in user's access terminal and close cycle control table according to recognition of face extent and scope, the content type allowing access and target backlight, determining that target backlight closes the cycle is T2 second; Wherein, aid identification system is fingerprint recognition system, sound recognition system.
Be illustrated below:
Mobile phone is taken pictures to the face of Zhang San in advance by camera, and the face characteristic information of storage Zhang San or mobile phone obtain the face characteristic information of Zhang San from third party entity (such as: video camera).When the face of Zhang San is near mobile phone, when the range sensor in mobile phone detects that the distance between the face of Zhang San and mobile phone screen is less than 0.3 meter, trigger mobile phone screen backlight and light and set backlight closedown cycle T=120 second.
In 2 minutes, the face of mobile phone to Zhang San scans, obtain human face scanning image and compare with the face characteristic information of the Zhang San stored, obtain recognition of face degree, if the recognition of face degree of Zhang San is less than the second preset value (such as: 95%), then allowing Zhang San on mobile phone, to browse webpage, use office software, and determine that the target backlight closedown cycle is T1 second according to table 1, such as, is 300 seconds.
If the recognition of face degree of Zhang San is more than or equal to the second preset value (such as: 95%), then on mobile phone, start fingerprint recognition system, if by the certification of fingerprint recognition system, then allowing Zhang San to access the privately owned fileinfo on mobile phone and determine that target backlight closes the cycle according to table 1 is T2 second, such as, be 600 seconds.
Figure 2 shows that the embodiment of the present invention 2 based on recognition of face automatic unlocking system construction drawing; Comprise terminal, image processor; Wherein, described terminal is connected with described image processor;
Described image processor, for storing face characteristic information and the face characteristic information of storage being sent to described terminal;
Described terminal, for obtaining and storing face characteristic information from described image processor; When distance also for detecting between face and terminal screen is less than preset value, terminal screen backlight lights and sets backlight closes the cycle; Also within the backlight closedown cycle, described face is scanned, obtain scanning result; And the face characteristic information of described scanning result and storage is compared, obtain recognition of face degree; Also for according to the described recognition of face degree obtained, according to preset strategy, control the access to described terminal.
Figure 3 shows that the embodiment of the present invention 3 based on recognition of face automatic unlocking terminal structure figure, comprise acquiring unit, setup unit, scanning comparing unit, access control unit; Wherein, described scanning comparing unit is connected with described acquiring unit, described setup unit respectively; Described scanning comparing unit is directly connected with described access control unit;
Described acquiring unit, for obtaining and storing face characteristic information and be sent to described scanning comparing unit;
Described setup unit, when the distance for detecting between face and terminal screen is less than preset value, terminal screen backlight lights and sets backlight and closes the cycle and be sent to described scanning comparing unit;
Described scanning comparing unit, within the backlight closedown cycle, scans described face, obtains scanning result; And the face characteristic information of described scanning result and storage is compared, obtain recognition of face degree and be sent to described access control unit;
Described access control unit, for according to the described recognition of face degree obtained, according to preset strategy, controls the access to terminal.
Compared to prior art, according to provided by the invention based on recognition of face automatic unlocking method, system and terminal, achieve according to recognition of face degree, control the technical scheme to terminal access, ensure that when recognition of face failure to a certain extent, to the access to a certain degree of terminal, greatly improve the experience of user.
In addition, when the distance detecting between face and terminal screen by the range sensor in terminal is less than the first preset value, triggering terminal screen backlight lights and sets the scheme that backlight closes the cycle, achieves the scheme that automatic backlight lights, greatly improves the experience of user.
In addition, by following scheme: if recognition of face degree is less than the second preset value, then allow to operate public information in terminal and according to recognition of face extent and scope, allow content type and the target backlight of access to close cycle control table, determine that the target backlight closedown cycle is T1 second; Under guarantee face does not identify successful situation completely, under the prerequisite of access terminal, have adjusted backlight further and close the cycle, decrease the interference to user to a certain extent, greatly improve the experience of user.
In addition, by following scheme: if recognition of face degree is more than or equal to the second preset value, then terminal starts aid identification system, if by the certification of aid identification system, then allow the privately owned fileinfo in user's access terminal and close cycle control table according to recognition of face extent and scope, the content type allowing access and target backlight, determining that target backlight closes the cycle is T2 second, in guarantee according to recognition of face degree, under the prerequisite of access terminal, ensure the information security of user further.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1., based on a recognition of face automatic unlocking method, it is characterized in that, comprise the following steps:
Terminal obtains and stores face characteristic information;
When terminal detects that the distance between face and terminal screen is less than preset value, terminal screen backlight lights and sets backlight closes the cycle;
Within the backlight closedown cycle, terminal scans described face, obtains scanning result; And the face characteristic information of described scanning result and storage is compared, obtain recognition of face degree;
Terminal, according to the described recognition of face degree obtained, according to preset strategy, controls the access to described terminal.
2. method according to claim 1, is characterized in that: terminal obtains and the mode storing face characteristic information is: image scanning module periodic scanning face characteristic information in terminal carrying out stores or terminal obtains face characteristic information and stores from third party entity.
3. method according to claim 1, is characterized in that: when the range sensor in terminal detects that the distance between face and terminal screen is less than the first preset value, and triggering terminal screen backlight lights and sets backlight closes the cycle.
4. method according to claim 1, is characterized in that: within the backlight closedown cycle, and in terminal, image scanning module scans described face, obtains facial image; The face characteristic information of the described facial image obtained and storage is compared, obtains recognition of face degree.
5. method according to claim 1, is characterized in that: terminal according to obtain described recognition of face degree, according to preset strategy, control to the process of the access of described terminal be:
Terminal is according to the described recognition of face degree obtained, and recognition of face extent and scope, the content type allowing access and target backlight close cycle control table, determines that the content of permission access, target backlight close the cycle.
6. method according to claim 5, it is characterized in that: terminal is according to the described recognition of face degree obtained, recognition of face extent and scope, the content type allowing access and target backlight close cycle control table, determine that the process allowing the content of access, target backlight to close the cycle is:
If recognition of face degree is less than the second preset value, then allow to operate public information in terminal and according to recognition of face extent and scope, allow content type and the target backlight of access to close cycle control table, determine that the target backlight closedown cycle is T1 second.
7. method according to claim 6, is characterized in that: in terminal, operate public information comprise: in terminal, browse webpage, use office software.
8. method according to claim 5, it is characterized in that: terminal is according to the described recognition of face degree obtained, recognition of face extent and scope, the content type allowing access and target backlight close cycle control table, determine that the process allowing the content of access, target backlight to close the cycle is:
If recognition of face degree is more than or equal to the second preset value, then terminal starts aid identification system, if by the certification of aid identification system, then allow the privately owned fileinfo in user's access terminal and close cycle control table according to recognition of face extent and scope, the content type allowing access and target backlight, determining that target backlight closes the cycle is T2 second; Wherein, aid identification system is fingerprint recognition system, sound recognition system.
9. based on a recognition of face automatic unlocking system, it is characterized in that, comprise terminal, image processor; Wherein, described terminal is connected with described image processor;
Described image processor, for storing face characteristic information and the face characteristic information of storage being sent to described terminal;
Described terminal, for obtaining and storing face characteristic information from described image processor; When distance also for detecting between face and terminal screen is less than preset value, terminal screen backlight lights and sets backlight closes the cycle; Also within the backlight closedown cycle, described face is scanned, obtain scanning result; And the face characteristic information of described scanning result and storage is compared, obtain recognition of face degree; Also for according to the described recognition of face degree obtained, according to preset strategy, control the access to described terminal.
10. based on a recognition of face automatic unlocking terminal, it is characterized in that, comprise acquiring unit, setup unit, scanning comparing unit, access control unit; Wherein, described scanning comparing unit is connected with described acquiring unit, described setup unit respectively; Described scanning comparing unit is directly connected with described access control unit;
Described acquiring unit, for obtaining and storing face characteristic information and be sent to described scanning comparing unit;
Described setup unit, when the distance for detecting between face and terminal screen is less than preset value, terminal screen backlight lights and sets backlight and closes the cycle and be sent to described scanning comparing unit;
Described scanning comparing unit, within the backlight closedown cycle, scans described face, obtains scanning result; And the face characteristic information of described scanning result and storage is compared, obtain recognition of face degree and be sent to described access control unit;
Described access control unit, for according to the described recognition of face degree obtained, according to preset strategy, controls the access to terminal.
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| CN104700017B (en) | 2018-03-23 |
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Address after: 200233 Guiping Road, Xuhui District, No. 391, building 20, floor 3, Applicant after: Shanghai Zhuo Yi Science and Technology Co., Ltd. Address before: 200233 Guiping Road, Xuhui District, No. 391, building 20, floor 3, Applicant before: Shanghai TYD Electronic Technology Co., Ltd. |
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