CN104219381A - Intelligent unlocking method, terminal and system - Google Patents
Intelligent unlocking method, terminal and system Download PDFInfo
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- CN104219381A CN104219381A CN201410406461.9A CN201410406461A CN104219381A CN 104219381 A CN104219381 A CN 104219381A CN 201410406461 A CN201410406461 A CN 201410406461A CN 104219381 A CN104219381 A CN 104219381A
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Abstract
The invention provides an intelligent unlocking method, a terminal and a system. The intelligent unlocking method includes steps of acquiring signal to noise ratio of volume of the unlocking sound and signal to noise ratio of tone of the unlocking sound after the terminal receives unlocking sound and noise; determining weighted values corresponding to the signal to noise ratio of the volume and the tone of the unlocking sound according to the signal to noise ratio of the volume and the tone of the unlocking sound; acquiring volume evaluation factor and tone evaluation factor of the unlocking sound according to the weighted values of the signal to noise ratio of the volume and the tone of the unlocking sound; determining comprehensive evaluation factor of the unlocking sound according to the acquired volume evaluation factor and the tone evaluation factor of the unlocking sound; determining corresponding unlocking strategies according to an acquired sound comprehensive evaluation factor range and an unlocking strategy comparison table of the terminal. By combining the volume and the tone of the unlocking sound, cellphone unlocking schemes are determined, and safety in use of the terminal is guaranteed.
Description
Technical field
The invention belongs to field of intelligent control, particularly relate to a kind of intelligent unlocking method, terminal and system.
Background technology
Applicant Liuzhou Yi Hai network technology Co., Ltd has applied for one section on December 10th, 2013: 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.
Applicant Shanghai Yin Long Information technology Co., Ltd has applied for one section on October 26th, 2012: application number 201210415835.4, and patent name is a kind of mobile phone unlock method based on melody identification, comprises the steps: acquisition source voice of a) recording; B) fundamental frequency signal in extraction source voice; C) divide sequence of notes according to fundamental frequency signal and generate melody password; D) prestore melody password in mobile phone, repeats step a)-c when unblanking at every turn) obtain active user and input melody password and identify, conform to the melody password prestored in mobile phone if active user inputs melody password, then unblank.
West, applicant Chengdu Science and Technology Ltd. can apply for one section on 06 30th, 2012: application number 201210221277.8, and patent name is the mobile phone unlock method based on speech recognition, comprises the following steps: typing standard unlocks voice and preserves; Require when request user Activates Phone that input unlocks voice; Input voice are also converted to speech characteristic parameter; The speech characteristic parameter of this request user and received pronunciation characteristic parameter are compared, if identical with the speech characteristic parameter of one of them authorized user, unlocks successfully.
Such scheme does not all disclose: in conjunction with sound size, tone height two because usually carrying out the scheme of mobile phone unblock.
Summary of the invention
The invention provides a kind of intelligent unlocking method, terminal and system, to solve the problem.
The invention provides a kind of intelligent unlocking method.Said method comprises the following steps:
After terminal receives and unlocks sound and noise, obtain unblock sound size noise and when unlock acoustic tones signal to noise ratio;
Unblock sound size noise according to obtaining when unlocks acoustic tones signal to noise ratio, according to the first strategy, determines unlock weighted value corresponding to sound size signal to noise ratio and unlock weighted value corresponding to acoustic tones signal to noise ratio;
According to unlocking the when corresponding weighted value of sound size noise, unlocking the when corresponding weighted value of acoustic tones noise, according to the second strategy, obtain and unlock sound size evaluation factor, unlock acoustic tones evaluation factor;
According to the unblock sound size evaluation factor obtained, unlock acoustic tones evaluation factor, according to the 3rd strategy, determine to unlock the sound comprehensive assessment factor;
According to the sound comprehensive assessment factor range obtained and the terminal unlocking strategy table of comparisons, determine corresponding unblock strategy.
The present invention also provides a kind of intelligent unlocking terminal.Above-mentioned terminal comprises: receiving element, the first assessment unit, the second assessment unit, the 3rd assessment unit, solution lock unit; Receiving element is connected with the second assessment unit by the first assessment unit; Second assessment unit is connected with solution lock unit by the 3rd assessment unit;
Described receiving element, after receiving unblock sound and noise, obtains unblock sound size noise and when unlocks acoustic tones signal to noise ratio and export described first assessment unit to;
Described first assessment unit, for when unlocking acoustic tones signal to noise ratio according to the unblock sound size noise obtained, according to the first strategy, determine unlock weighted value corresponding to sound size signal to noise ratio and unlock weighted value corresponding to acoustic tones signal to noise ratio and export described second assessment unit to;
Described second assessment unit, for according to unlocking the when corresponding weighted value of sound size noise, unlocking the when corresponding weighted value of acoustic tones noise, according to the second strategy, obtain and unlock sound size evaluation factor, unlock acoustic tones evaluation factor and export described 3rd assessment unit to;
Described 3rd assessment unit, for according to the unblock sound size evaluation factor obtained, unblock acoustic tones evaluation factor, according to the 3rd strategy, determines unlock the sound comprehensive assessment factor and export solution lock unit to;
Described solution lock unit, for according to the sound comprehensive assessment factor range obtained and the terminal unlocking strategy table of comparisons, determines corresponding unblock strategy.
The present invention also provides a kind of intelligent unlocking system.Said system comprises: terminal, CELA's server; Terminal is directly connected with CELA server;
Described terminal, after receiving unblock sound and noise, obtains unblock sound size noise and when unlocks acoustic tones signal to noise ratio and export described CELA server to; Also unlock the sound comprehensive assessment factor for obtaining from described CELA server;
Described CELA server, for when unlocking acoustic tones signal to noise ratio according to the unblock sound size noise obtained, according to the first strategy, determines unlock weighted value corresponding to sound size signal to noise ratio and unlock weighted value corresponding to acoustic tones signal to noise ratio; Also for according to unlocking the when corresponding weighted value of sound size noise, unlocking the when corresponding weighted value of acoustic tones noise, according to the second strategy, obtain and unlock sound size evaluation factor, unlock acoustic tones evaluation factor; Also for according to the unblock sound size evaluation factor obtained, unblock acoustic tones evaluation factor, according to the 3rd strategy, determine unlock the sound comprehensive assessment factor and export described terminal to.
Compared to prior art, according to intelligent unlocking method provided by the invention, terminal and system, in conjunction with sound size, tone height two because usually carrying out the scheme of mobile phone unblock, further ensure the fail safe that terminal uses.
In addition, by further considering the factor of noise, by sound size signal to noise ratio, acoustic tones signal to noise ratio design further mobile phone unlock scheme, more gear to actual circumstances, accurately carry out terminal unlocking.
In addition, the setting of the weighted value corresponding by sound size signal to noise ratio and weighted value corresponding to acoustic tones signal to noise ratio, more optimizes the scheme of terminal unlocking, makes terminal unlocking scheme more reasonable.
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 intelligent unlocking method flow diagram of the embodiment of the present invention 1;
Figure 2 shows that the intelligent unlocking terminal structure figure of the embodiment of the present invention 2;
Figure 3 shows that the intelligent unlocking system diagram of the embodiment of the present invention 3.
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 intelligent unlocking method flow diagram of the embodiment of the present invention 1, comprise the following steps:
Step 101: after terminal receives and unlocks sound and noise, obtains unblock sound size noise and when unlocks acoustic tones signal to noise ratio;
Wherein, terminal comprises: mobile phone, panel computer.
Wherein, sound size signal to noise ratio=(unlocking the sound size of sound)/(unlocking the sound size of the sound size+noise of sound) is unlocked.
Wherein, the unblock sound size of sound and the sound size decibel (dB) of noise are weighed.
Wherein, acoustic tones signal to noise ratio=(unlocking the tone size of sound)/(unlocking the tone size of the tone size+noise of sound) is unlocked.
Wherein, the unblock tone size of sound and the tone size hertz (Hz) of noise are weighed.
Remarks: the height of sound is called tone, frequency determines tone.
Step 102: the unblock sound size noise according to obtaining when unlocks acoustic tones signal to noise ratio, according to the first strategy, determines unlock weighted value corresponding to sound size signal to noise ratio and unlock weighted value corresponding to acoustic tones signal to noise ratio.
Obtain sound SNR ranges and the weight table of comparisons and according to the unblock sound size signal to noise ratio obtained, determine to unlock weighted value corresponding to sound size signal to noise ratio;
Obtain tone SNR ranges and the weight table of comparisons and according to the unblock acoustic tones signal to noise ratio obtained, determine to unlock weighted value corresponding to acoustic tones signal to noise ratio.
Wherein, the mode obtaining sound SNR ranges and the weight table of comparisons, tone SNR ranges and the weight table of comparisons is: terminal self configure sound SNR ranges and the weight table of comparisons and described tone SNR ranges and the weight table of comparisons; Or terminal obtains sound SNR ranges and the weight table of comparisons and described tone SNR ranges and the weight table of comparisons from third party entity (such as: mapping relations server).
Wherein, sound SNR ranges and the weight table of comparisons as shown in table 1:
| Sound SNR ranges | Weighted value |
| 0≤X≤50％ | 0.4 |
| 50％＜X≤100％ | 0.6 |
Wherein, tone SNR ranges and the weight table of comparisons as shown in table 2:
| Tone SNR ranges | Weighted value |
| 0≤Y≤50％ | 0.4 |
| 50％＜Y≤100％ | 0.6 |
Step 103: according to unlocking the when corresponding weighted value of sound size noise, unlocking the when corresponding weighted value of acoustic tones noise, according to the second strategy, obtains and unlocks sound size evaluation factor, unlocks acoustic tones evaluation factor.
Wherein, the weighted value that sound size evaluation factor=unblock sound size signal to noise ratio × unblock sound size signal to noise ratio is corresponding is unlocked.
Wherein, weighted value corresponding to acoustic tones evaluation factor=unblock acoustic tones signal to noise ratio × unblock acoustic tones signal to noise ratio is unlocked.
Step 104: according to the unblock sound size evaluation factor obtained, unlock acoustic tones evaluation factor, according to the 3rd strategy, determines to unlock the sound comprehensive assessment factor.
Wherein, the sound comprehensive assessment factor=unblock sound size evaluation factor+unblock acoustic tones evaluation factor is unlocked.
Step 105: according to the sound comprehensive assessment factor range obtained and the terminal unlocking strategy table of comparisons, determines corresponding unblock strategy.
Wherein, the sound comprehensive assessment factor range of acquisition and the mode of the terminal unlocking strategy table of comparisons are: terminal configuration sound comprehensive assessment factor range and the terminal unlocking strategy table of comparisons or obtain sound comprehensive assessment factor range and the terminal unlocking strategy table of comparisons from third party entity (such as: mapping relations server).
Wherein, sound comprehensive assessment factor range and the terminal unlocking strategy table of comparisons as shown in table 3:
| Sound comprehensive assessment factor range | Terminal unlocking strategy |
| 0＜Z≤0.5 | Prompting user re-enters unblock sound |
| 0.5＜Z＜1.0 | Directly unlock |
Citing is below described in detail:
Mobile phone receives after user Zhang San fires the sound size (40dB) of finger and the sound size (40dB) of periphery noise, obtains and unlocks sound size signal to noise ratio=(40)/(40+40)=50%
Mobile phone receives user Zhang San and fires the tone size (600Hz) of finger and the tone size (400Hz) of periphery noise, obtains and unlocks acoustic tones signal to noise ratio=(600)/(600+400)=60%
According to table 1, table 2, can obtain: the weighted value unlocking sound size signal to noise ratio corresponding is 0.4;
The weighted value unlocking acoustic tones signal to noise ratio corresponding is 0.6.
Unlock sound size evaluation factor=50% × 0.4=0.2
Unlock acoustic tones evaluation factor=60% × 0.6=0.36
Therefore, the sound comprehensive assessment factor=0.2+0.36=0.56 is unlocked
According to table 3, known mobile phone directly unlocks, and enters the page after unblock.
Figure 2 shows that the intelligent unlocking terminal structure figure of the embodiment of the present invention 2, comprising: receiving element, the first assessment unit, the second assessment unit, the 3rd assessment unit, solution lock unit; Receiving element is connected with the second assessment unit by the first assessment unit; Second assessment unit is connected with solution lock unit by the 3rd assessment unit;
Described receiving element, after receiving unblock sound and noise, obtains unblock sound size noise and when unlocks acoustic tones signal to noise ratio and export described first assessment unit to;
Described first assessment unit, for when unlocking acoustic tones signal to noise ratio according to the unblock sound size noise obtained, according to the first strategy, determine unlock weighted value corresponding to sound size signal to noise ratio and unlock weighted value corresponding to acoustic tones signal to noise ratio and export described second assessment unit to;
Described second assessment unit, for according to unlocking the when corresponding weighted value of sound size noise, unlocking the when corresponding weighted value of acoustic tones noise, according to the second strategy, obtain and unlock sound size evaluation factor, unlock acoustic tones evaluation factor and export described 3rd assessment unit to;
Described 3rd assessment unit, for according to the unblock sound size evaluation factor obtained, unblock acoustic tones evaluation factor, according to the 3rd strategy, determines unlock the sound comprehensive assessment factor and export solution lock unit to;
Described solution lock unit, for according to the sound comprehensive assessment factor range obtained and the terminal unlocking strategy table of comparisons, determines corresponding unblock strategy.
Figure 3 shows that the intelligent unlocking system diagram of the embodiment of the present invention 3, comprising: terminal, CELA's server; Terminal is directly connected with CELA server;
Described terminal, after receiving unblock sound and noise, obtains unblock sound size noise and when unlocks acoustic tones signal to noise ratio and export described CELA server to; Also unlock the sound comprehensive assessment factor for obtaining from described CELA server;
Described CELA server, for when unlocking acoustic tones signal to noise ratio according to the unblock sound size noise obtained, according to the first strategy, determines unlock weighted value corresponding to sound size signal to noise ratio and unlock weighted value corresponding to acoustic tones signal to noise ratio; Also for according to unlocking the when corresponding weighted value of sound size noise, unlocking the when corresponding weighted value of acoustic tones noise, according to the second strategy, obtain and unlock sound size evaluation factor, unlock acoustic tones evaluation factor; Also for according to the unblock sound size evaluation factor obtained, unblock acoustic tones evaluation factor, according to the 3rd strategy, determine unlock the sound comprehensive assessment factor and export described terminal to.
Compared to prior art, according to intelligent unlocking method provided by the invention, terminal and system, in conjunction with sound size, tone height two because usually carrying out the scheme of mobile phone unblock, further ensure the fail safe that terminal uses.
In addition, by further considering the factor of noise, by sound size signal to noise ratio, acoustic tones signal to noise ratio design further mobile phone unlock scheme, more gear to actual circumstances, accurately carry out terminal unlocking.
In addition, the setting of the weighted value corresponding by sound size signal to noise ratio and weighted value corresponding to acoustic tones signal to noise ratio, more optimizes the scheme of terminal unlocking, makes terminal unlocking scheme more reasonable.
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. an intelligent unlocking method, is characterized in that, comprises the following steps:
After terminal receives and unlocks sound and noise, obtain unblock sound size noise and when unlock acoustic tones signal to noise ratio;
Unblock sound size noise according to obtaining when unlocks acoustic tones signal to noise ratio, according to the first strategy, determines unlock weighted value corresponding to sound size signal to noise ratio and unlock weighted value corresponding to acoustic tones signal to noise ratio;
According to unlocking the when corresponding weighted value of sound size noise, unlocking the when corresponding weighted value of acoustic tones noise, according to the second strategy, obtain and unlock sound size evaluation factor, unlock acoustic tones evaluation factor;
According to the unblock sound size evaluation factor obtained, unlock acoustic tones evaluation factor, according to the 3rd strategy, determine to unlock the sound comprehensive assessment factor;
According to the sound comprehensive assessment factor range obtained and the terminal unlocking strategy table of comparisons, determine corresponding unblock strategy.
2. method according to claim 1, is characterized in that:
Unlock sound size signal to noise ratio=(unlocking the sound size of sound)/(unlocking the sound size of the sound size+noise of sound);
Unlock acoustic tones signal to noise ratio=(unlocking the tone size of sound)/(unlocking the tone size of the tone size+noise of sound).
3. method according to claim 2, is characterized in that:
Unblock sound size noise according to obtaining when unlocks acoustic tones signal to noise ratio, according to the first strategy, determines that the process unlocking weighted value corresponding to sound size signal to noise ratio and unlock weighted value corresponding to acoustic tones signal to noise ratio is:
Obtain sound SNR ranges and the weight table of comparisons and according to the unblock sound size signal to noise ratio obtained, determine to unlock weighted value corresponding to sound size signal to noise ratio;
Obtain tone SNR ranges and the weight table of comparisons and according to the unblock acoustic tones signal to noise ratio obtained, determine to unlock weighted value corresponding to acoustic tones signal to noise ratio.
4. method according to claim 3, is characterized in that:
The mode obtaining sound SNR ranges and the weight table of comparisons, tone SNR ranges and the weight table of comparisons is: terminal self configures described sound SNR ranges and the weight table of comparisons and described tone SNR ranges and the weight table of comparisons; Or terminal obtains described sound SNR ranges and the weight table of comparisons and described tone SNR ranges and the weight table of comparisons from mapping relations server.
5. method according to claim 1, is characterized in that:
According to unlocking the when corresponding weighted value of sound size noise, unlocking the when corresponding weighted value of acoustic tones noise, according to the second strategy, obtain and unlock sound size evaluation factor, unlock the process of acoustic tones evaluation factor and be:
Unlock the weighted value that sound size evaluation factor=unblock sound size signal to noise ratio × unblock sound size signal to noise ratio is corresponding;
Unlock the weighted value that acoustic tones evaluation factor=unblock acoustic tones signal to noise ratio × unblock acoustic tones signal to noise ratio is corresponding.
6. method according to claim 1, is characterized in that:
According to the unblock sound size evaluation factor obtained, unlock acoustic tones evaluation factor, according to the 3rd strategy, determine that the process unlocking the sound comprehensive assessment factor is:
Unlock the sound comprehensive assessment factor=unblock sound size evaluation factor+unblock acoustic tones evaluation factor.
7. method according to claim 1, is characterized in that:
The sound comprehensive assessment factor range obtained and the mode of the terminal unlocking strategy table of comparisons are: terminal configuration sound comprehensive assessment factor range and the terminal unlocking strategy table of comparisons or from mapping relations server, obtain sound comprehensive assessment factor range and the terminal unlocking strategy table of comparisons.
8. method according to claim 1, is characterized in that:
The unblock sound size of sound and the sound size decibel (dB) of noise are weighed;
The unblock tone size of sound and the tone size hertz (Hz) of noise are weighed.
9. an intelligent unlocking terminal, is characterized in that, comprising: receiving element, the first assessment unit, the second assessment unit, the 3rd assessment unit, solution lock unit; Receiving element is connected with the second assessment unit by the first assessment unit; Second assessment unit is connected with solution lock unit by the 3rd assessment unit;
Described receiving element, after receiving unblock sound and noise, obtains unblock sound size noise and when unlocks acoustic tones signal to noise ratio and export described first assessment unit to;
Described first assessment unit, for when unlocking acoustic tones signal to noise ratio according to the unblock sound size noise obtained, according to the first strategy, determine unlock weighted value corresponding to sound size signal to noise ratio and unlock weighted value corresponding to acoustic tones signal to noise ratio and export described second assessment unit to;
Described second assessment unit, for according to unlocking the when corresponding weighted value of sound size noise, unlocking the when corresponding weighted value of acoustic tones noise, according to the second strategy, obtain and unlock sound size evaluation factor, unlock acoustic tones evaluation factor and export described 3rd assessment unit to;
Described 3rd assessment unit, for according to the unblock sound size evaluation factor obtained, unblock acoustic tones evaluation factor, according to the 3rd strategy, determines unlock the sound comprehensive assessment factor and export solution lock unit to;
Described solution lock unit, for according to the sound comprehensive assessment factor range obtained and the terminal unlocking strategy table of comparisons, determines corresponding unblock strategy.
10. an intelligent unlocking system, is characterized in that, comprising: terminal, CELA's server; Terminal is directly connected with CELA server;
Described terminal, after receiving unblock sound and noise, obtains unblock sound size noise and when unlocks acoustic tones signal to noise ratio and export described CELA server to; Also unlock the sound comprehensive assessment factor for obtaining from described CELA server;
Described CELA server, for when unlocking acoustic tones signal to noise ratio according to the unblock sound size noise obtained, according to the first strategy, determines unlock weighted value corresponding to sound size signal to noise ratio and unlock weighted value corresponding to acoustic tones signal to noise ratio; Also for according to unlocking the when corresponding weighted value of sound size noise, unlocking the when corresponding weighted value of acoustic tones noise, according to the second strategy, obtain and unlock sound size evaluation factor, unlock acoustic tones evaluation factor; Also for according to the unblock sound size evaluation factor obtained, unblock acoustic tones evaluation factor, according to the 3rd strategy, determine unlock the sound comprehensive assessment factor and export described terminal to.
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| CN110321689A (en) * | 2019-07-08 | 2019-10-11 | 深圳大学 | A kind of personal identification method and system based on snap |
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| CN104219381B (en) | 2017-08-25 |
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