CN107305604B

CN107305604B - Terminal unlock method and device

Info

Publication number: CN107305604B
Application number: CN201610261139.0A
Authority: CN
Inventors: 何宗键
Original assignee: Tongji University; Tencent Technology Shenzhen Co Ltd
Current assignee: Tongji University; Tencent Technology Shenzhen Co Ltd
Priority date: 2016-04-25
Filing date: 2016-04-25
Publication date: 2019-09-20
Anticipated expiration: 2036-04-25
Also published as: CN107305604A

Abstract

The invention discloses a kind of terminal unlock method and devices.Wherein, this method comprises: the state that the terminal under detection screen lock state is presently in；When detecting that terminal remains static, according to terminal, currently connected wireless signal extracts the first identity characteristic, when the first identity characteristic meets the first predetermined condition, to terminal unlocking；When detecting that terminal is in nonstatic state, the Second Identity of Local that the sensor measurement in terminal arrives is obtained, when Second Identity of Local meets the second predetermined condition, to terminal unlocking.The present invention is solved the technical problem lower using unlock efficiency caused by existing terminal unlock method.

Description

Terminal unlock method and device

Technical field

The present invention relates to computer fields, in particular to a kind of terminal unlock method and device.

Background technique

Before intelligent terminal unlatching, carrying out identification to user is that the privacy in a kind of pair of intelligent terminal is protected Effective means.Currently, the mode for carrying out identification to user in the prior art specifically includes that input password, slidably inputs Pattern and biological information identification (such as fingerprint recognition or face recognition).

However, user identity is identified by way of above-mentioned at least one before every time using intelligent terminal, with It realizes the process unlocked to intelligent terminal, but haves the shortcomings that password is easy leakage and input is time-consuming.On the one hand, user is defeated Enter password and when slidably inputing pattern, it is easy to by other people peep to or detected equipment be truncated to, so as to cause password leakage； In addition, inputting password and slidably inputing pattern, required authenticated time is longer, input operation is frequently executed, also by billow The time at expense family, and then influence user experience；Furthermore it is identified by biological information, not only needs additional identification hardware, and And identification process is also easy to the influence by various factors, so that recognition result is inaccurate, user is needed to be recognized repeatedly Card, and then authenticated time is caused to extend.

That is, identification is carried out to user provided by the prior art, to realize the side unlocked to intelligent terminal Formula, not only safety is lower, can not ensure the personal secrets of user, and required authenticated time is longer, causes to unlock efficiency It substantially reduces.

For above-mentioned problem, currently no effective solution has been proposed.

Summary of the invention

The embodiment of the invention provides a kind of terminal unlock method and devices, at least to solve due to using existing terminal The lower technical problem of unlock efficiency caused by unlocking method.

According to an aspect of an embodiment of the present invention, a kind of terminal unlock method is provided, comprising: under detection screen lock state The state that is presently in of terminal；When detecting that above-mentioned terminal remains static, according to the current connected nothing of above-mentioned terminal The first identity characteristic of line signal extraction, when above-mentioned first identity characteristic meets the first predetermined condition, to above-mentioned terminal unlocking；? When detecting that above-mentioned terminal is in nonstatic state, the Second Identity of Local that the sensor measurement in above-mentioned terminal arrives is obtained, When above-mentioned Second Identity of Local meets the second predetermined condition, to above-mentioned terminal unlocking.

According to another aspect of an embodiment of the present invention, a kind of terminal unlocking device is additionally provided, comprising: detection unit is used In the state that the terminal detected under screen lock state is presently in；First unlocking unit, for detecting above-mentioned terminal in quiet Only when state, according to above-mentioned terminal, currently connected wireless signal extracts the first identity characteristic, full in above-mentioned first identity characteristic When the first predetermined condition of foot, to above-mentioned terminal unlocking；Second unlocking unit, for detecting that above-mentioned terminal is in nonstatic shape When state, the Second Identity of Local that the sensor measurement in above-mentioned terminal arrives is obtained, it is pre- to meet second in above-mentioned Second Identity of Local When fixed condition, to above-mentioned terminal unlocking.

In embodiments of the present invention, the state being presently in by detecting terminal, is remained static with realizing in terminal When, using terminal currently extracted first identity characteristic of connected wireless signal to determine whether to the terminal unlocking, at end When end is in nonstatic state, the Second Identity of Local arrived using the sensor measurement in terminal is to determine whether to the terminal solution Lock.That is, the different conditions according to locating for terminal, directly carry out certification knowledge using different identity characteristics to terminal respectively , rapidly passive unlock is not carried out to the terminal under different conditions to realize, without manually to terminal input password or other Authentication information, so that authenticated time of the terminal used in unlocking process is reduced, to achieve the effect that improve terminal unlocking efficiency, into And overcome the problems, such as that terminal unlocking efficiency is lower in the prior art.

In addition, carry out certification identification by different identity characteristics respectively to the terminal under different conditions, also improve pair The flexibility of terminal unlocking, to avoid using single unlocking manner to terminal unlocking fail when caused by need to solve repeatedly The problem of lock certification.

Further, directly using terminal, currently connected wireless signal extracts the sensing in the first identity characteristic and terminal The Second Identity of Local that device measures is unlocked certification to terminal, to avoid the leakage of the content for unlock, further protects The safety of terminal unlocking is demonstrate,proved.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:

Fig. 1 is a kind of application environment schematic diagram of optional terminal unlock method according to an embodiment of the present invention；

Fig. 2 is a kind of flow chart of optional terminal unlock method according to an embodiment of the present invention；

Fig. 3 is the flow chart of another optional terminal unlock method according to an embodiment of the present invention；

Fig. 4 is a kind of schematic diagram of optional terminal unlock method according to an embodiment of the present invention；

Fig. 5 is the schematic diagram of another optional terminal unlock method according to an embodiment of the present invention；

Fig. 6 is the flow chart of another optional terminal unlock method according to an embodiment of the present invention；

Fig. 7 is the schematic diagram of another optional terminal unlock method according to an embodiment of the present invention；

Fig. 8 is a kind of schematic diagram of optional terminal unlocking device according to an embodiment of the present invention；And

Fig. 9 is a kind of schematic diagram of optional terminal according to an embodiment of the present invention.

Specific embodiment

In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work It encloses.

It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product Or other step or units that equipment is intrinsic.

Embodiment 1

According to embodiments of the present invention, a kind of embodiment of above-mentioned terminal unlock method is provided, which can With but be not limited to be applied to application environment as shown in Figure 1 in, multiple terminals are connected with network 104, for example, as shown in Figure 1 Terminal 102-1 and terminal 102-2.Wherein, in the present embodiment, above-mentioned network 104 can include but is not limited to wireless signal Network, such as WIFI signal network.By taking terminal 102-1 as an example, the shape that terminal 102-1 is presently under screen lock state is detected State；When detecting that terminal 102-1 remains static, the first identity characteristic is extracted according to current connected wireless signal, and When the first identity characteristic meets the first predetermined condition, terminal 102-1 is unlocked；Detecting that terminal 102-1 is in When nonstatic state, the Second Identity of Local that the sensor measurement in terminal 102-1 arrives is obtained, and meet in Second Identity of Local When the second predetermined condition, terminal 102-1 is unlocked.That is, the different conditions according to locating for terminal, respectively to end End carries out certification identification using different identity characteristics, close without being manually entered to realize the quick passive unlock to terminal Code or other authentication informations, to achieve the effect that improve the efficiency to terminal unlocking.

Optionally, in the present embodiment, above-mentioned terminal can include but is not limited at least one of: mobile phone, plate electricity Brain, laptop, desktop PC.Above-mentioned only a kind of example, the present embodiment do not do any restriction to this.

According to embodiments of the present invention, a kind of terminal unlock method is provided, as shown in Fig. 2, this method comprises:

S202 detects the state that the terminal under screen lock state is presently in；

S204, when detecting that terminal remains static, according to terminal, currently connected wireless signal extracts the first body Part feature, when the first identity characteristic meets the first predetermined condition, to terminal unlocking；

S206 obtains the second identity that the sensor measurement in terminal arrives when detecting that terminal is in nonstatic state Feature, when Second Identity of Local meets the second predetermined condition, to terminal unlocking.

Optionally, in the present embodiment, above-mentioned terminal unlock method can be, but not limited to the end being applied under screen lock state End.Specifically, the state that is presently in of terminal under detection screen lock state, when the terminal remains static, then basis Currently connected wireless signal extracts the first identity characteristic to terminal, and when the first identity characteristic meets the first predetermined condition, right Terminal unlocking；When the terminal is in nonstatic state, then the Second Identity of Local that the sensor measurement in terminal arrives is obtained, and When Second Identity of Local meets the second predetermined condition, to terminal unlocking.That is, to detecting under different conditions Terminal, it is rapidly passive to the terminal progress under different conditions to realize respectively by being compared with different identity characteristics Unlock to reduce authenticated time used in terminal unlocking process, and then achievees the effect that improve terminal unlocking efficiency.

Optionally, in the present embodiment, detecting the state that the terminal under screen lock state is presently in can be, but not limited to lead to The data that the sensor measurement crossed in detection terminal arrives are realized.That is, when the reading of sensor is 0, then it represents that should The state that terminal is presently in is stationary state；And when the reading of sensor is non-zero, then it represents that the state that terminal is presently in is Nonstatic state.Above-mentioned is only a kind of example, does not do any restriction to this in the present embodiment.

It should be noted that in the present embodiment, the state being presently in by detecting terminal is in realizing in terminal When stationary state, using terminal currently extracted first identity characteristic of connected wireless signal to determine whether to the terminal solution Lock, when terminal is in nonstatic state, the Second Identity of Local arrived using the sensor measurement in terminal is to determine whether right The terminal unlocking.That is, the different conditions according to locating for terminal, respectively directly to terminal using different identity characteristics into Row certification identification carries out rapidly passive unlock to the terminal under different conditions to realize, inputs without manually to terminal close Code or other authentication informations improve terminal unlocking efficiency to reduce authenticated time of the terminal used in unlocking process to reach Effect, and then overcome the problems, such as that terminal unlocking efficiency is lower in the prior art.In addition, to the terminal under different conditions, respectively Certification identification is carried out by different identity characteristics, also improves the flexibility to terminal unlocking, to avoid due to using single Unlocking manner is caused when failing to terminal unlocking to need the problem of unlocking certification repeatedly.Further, directly worked as using terminal Preceding connected wireless signal extract Second Identity of Local that the sensor measurement in the first identity characteristic and terminal arrives to terminal into Row unlock certification, to avoid the leakage of the content for unlock, further ensures the safety of terminal unlocking.

Optionally, in the present embodiment, when terminal remains static, above-mentioned first identity characteristic be can be, but not limited to For target respiratory characteristic.Optionally, in the present embodiment, according to terminal, currently connected wireless signal extracts the first identity characteristic It include: signal strength instruction information (Received Signal Strength Indication, RSSI) for obtaining wireless signal And/or channel state information (Channel State Information, CSI)；The first identity is extracted according to RSSI and/or CSI Target respiratory characteristic in feature.

It should be noted that since human body can generate interference to wireless signal, thus, in the present embodiment, pass through detection The variation of the current connected wireless signal (such as WIFI signal) of terminal accurately identifies identity with realizing.Such as breathing when It waits, since the fluctuations in thoracic cavity can generate different interference to WIFI signal, by accurately detecting WIFI signal Variation, with realize from the respiratory characteristic restored in variation near the terminal, thus reach according to the respiratory characteristic determine be It is no that the terminal is passively unlocked.

In other words, it is detecting the target respiratory characteristic got and is being the deviation of the preset respiratory characteristic of terminal less than predetermined When threshold value, then may determine that the target respiratory characteristic detected meets predetermined condition, can to the terminal unlocking, without to The terminal is actively entered any verification information.To reduce the authenticated time to terminal unlocking, terminal unlocking efficiency ensure that.

Optionally, in the present embodiment, above-mentioned Second Identity of Local can be, but not limited to include: motion feature, input spy Sign.Wherein, above-mentioned motion feature includes at least one of: leg speed, cadence, step width；Above-mentioned input feature vector include it is following at least One of: input dynamics, input displacement, input frequency.

Optionally, in the present embodiment, the sensor in above-mentioned terminal can include but is not limited to: acceleration transducer, Angular-rate sensor.Wherein, above-mentioned angular-rate sensor can be gyroscope.That is, being detected by the sensor Whether the terminal is in nonstatic state, when detecting that the terminal is in nonstatic state, then can use the sensor The data measured are to determine whether be unlocked terminal.

It should be noted that in the present embodiment, being unlocked judgement in the data measured by acceleration transducer When, above-mentioned Second Identity of Local can correspond to motion feature.That is, when the reading of acceleration transducer is non-zero, then table Show that the terminal is kept in motion, whether is judged during the motion by obtaining corresponding motion feature to the terminal solution Lock.For example, being carried in terminal in mobile scene, then can be obtained in Second Identity of Local using acceleration transducer Motion feature carries out authentication according to exercise habit, to judge whether to terminal unlocking.

In addition, above-mentioned Second Identity of Local can when the data measured by angular-rate sensor are unlocked judgement To correspond to input feature vector.That is, when the reading of angular-rate sensor is non-zero, then it represents that the terminal, which is in, touches interaction Whether state is judged in interactive process by obtaining the input feature vector of interactive process to the terminal unlocking.

Optionally, in the present embodiment, the above-mentioned input obtained in Second Identity of Local using angular-rate sensor is special The application scenarios of sign can include but is not limited to following one:

1) detecting that terminal is in nonstatic state, and acceleration transducer it is unmeasured to motion feature when, obtain angle The input feature vector that velocity sensor measures.For example, being obtained during user and terminal interaction by angular-rate sensor Input feature vector.

2) when that can not detect the state that terminal is presently in, the input feature vector that angular-rate sensor measures is obtained. For example, actively being unlocked in such a way that angular-rate sensor obtains input feature vector to terminal in the case where passive unlock failure.

Optionally, in the present embodiment, it obtains in the Second Identity of Local that the angular-rate sensor in terminal measures Input feature vector can include but is not limited to: the prompt information for being used for prompting to obtain scheduled text is shown in terminal, wherein predetermined Text be generate at random for unlock verifying text；During obtaining above-mentioned scheduled text, angular speed is obtained The input feature vector that sensor measurement arrives.

That is, additionally providing a kind of active unlock in the present embodiment as to a kind of arbitrary way passively unlocked Mode, the input feature vector measured according to angular-rate sensor is to determine whether to terminal unlocking.It should be noted that in this reality It applies in example, aforesaid way is different from the relevant technologies, without obtaining the particular content of input, but by obtaining input when input Mode realizes the matching with input habit, to achieve the purpose that protect privacy, and then realizes the effect for improving the safety of unlock Fruit.

It is specifically illustrated as shown in connection with fig. 3, detects the state that the terminal under screen lock state is presently in, be in terminal When stationary state, then according to the variation of wireless signal (such as WIFI signal), the target respiratory characteristic in the first identity characteristic is obtained. When terminal is in nonstatic state, if the reading of acceleration transducer is non-zero, then it represents that terminal is kept in motion, and obtains Motion feature in Second Identity of Local.

It should be noted that can then be exhaled respectively by the target got in the identifiable situation of above two feature Feature or motion feature are inhaled to determine whether passively being unlocked to terminal.In addition, in the unrecognized feelings of above two feature Under condition, then the input feature vector in Second Identity of Local can be obtained by angular-rate sensor, when with using inputting in interactive process Input feature vector come to terminal carry out active unlock.Here, the input in Second Identity of Local is obtained by angular-rate sensor The mode of feature can also be used as a kind of individual unlocking manner, directly carry out active unlock to terminal to realize.The present embodiment In do not do any restriction to this.

Optionally, in the present embodiment, it after terminal again screen locking, can be, but not limited to current again by detection terminal State in which is respectively adopted different identity characteristics to terminal and carries out safety to realize the different conditions according to locating for terminal Rapidly certification identification.That is, that is, under screen lock state, can be repeated to terminal above-mentioned after terminal screen locking Terminal unlock method.

By embodiment provided by the present application, the state being presently in by detecting terminal is in quiet in terminal to realize Only when state, using terminal currently extracted first identity characteristic of connected wireless signal to determine whether to the terminal solution Lock, when terminal is in nonstatic state, the Second Identity of Local arrived using the sensor measurement in terminal is to determine whether right The terminal unlocking.That is, the different conditions according to locating for terminal, respectively directly to terminal using different identity characteristics into Row certification identification carries out rapidly passive unlock to the terminal under different conditions to realize, inputs without manually to terminal close Code or other authentication informations improve terminal unlocking efficiency to reduce authenticated time of the terminal used in unlocking process to reach Effect, and then overcome the problems, such as that terminal unlocking efficiency is lower in the prior art.

As a kind of optional scheme, according to terminal, currently the first identity characteristic of connected wireless signal extraction includes:

S1 obtains signal strength instruction information (the Received Signal Strength of wireless signal Indication, RSSI) and/or channel state information (Channel State Information, CSI)；

S2 extracts the target respiratory characteristic in the first identity characteristic according to RSSI and/or CSI.

Optionally, in the present embodiment, after obtaining RSSI and/or CSI, further includes: by the collected time domain of terminal In RSSI and/or CSI interference carried out by filter handle, and the signal after interference will be gone to be converted to frequency-region signal.

It should be noted that in the present embodiment, RSSI and/or CSI go after interfering to be converted to the frequency-region signal in frequency domain It can serve to indicate that the target respiratory characteristic in the first identity characteristic, such as respiratory rate.That is, will according to RSSI and/or The target respiratory characteristic in the first identity characteristic that CSI is extracted, is matched with preset respiratory characteristic, to realize to user The certification of identity identifies.

Optionally, in the present embodiment, the target respiratory characteristic extracted in the first identity characteristic can include but is not limited to Following one:

It 1) is the target breathing frequency in target respiratory characteristic by set of frequency corresponding to peak-peak in a frequency domain；

2) frequency corresponding to preceding M peak value in a frequency domain is obtained, using frequency corresponding to the preceding M peak value as mesh Mark respiratory characteristic.

That is, can include but is not limited to a target breathing frequency in target respiratory characteristic, wherein the target is exhaled Inhaling frequency can be determined by way of following at least one: 1) by set of frequency corresponding to RSSI peak-peak in a frequency domain For target breathing frequency；It 2) is target breathing frequency by set of frequency corresponding to CSI peak-peak in a frequency domain；3) according to Corresponding to the default weight peak-peak of frequency and CSI in a frequency domain according to corresponding to RSSI peak-peak in a frequency domain Frequency calculate after determine.

For example, in mode 3) in, it is assumed that frequency corresponding to the peak-peak of RSSI in a frequency domain is F1, and CSI is in frequency domain In peak-peak corresponding to frequency F2, default weight corresponding with RSSI be a1, default weight corresponding with CSI be a2, Then the target breathing frequency F in target respiratory characteristic can be obtained in the following manner: F=F1*a1+F2+a2.

In addition, in the present embodiment, in target respiratory characteristic can also include but is not limited to the preceding M peak value institute in frequency domain Corresponding frequency.That is, including one group of multiple frequency for being used to indicate current respiratory characteristic in target respiratory characteristic.Its In, above-mentioned target respiratory characteristic includes at least one of: 1) frequency corresponding to the preceding M peak value of RSSI in a frequency domain；2) Frequency corresponding to the preceding M peak value of CSI in a frequency domain；3) the preceding M peak value according to default weight according to RSSI in a frequency domain Frequency corresponding to the preceding M peak value of corresponding frequency and CSI in a frequency domain determines obtained frequency after calculating.

It, can the independent frequency according to corresponding to above-mentioned RSSI peak value in a frequency domain that is, in the present embodiment Target respiratory characteristic is obtained, it can also the individually breathing of the frequency acquisition target according to corresponding to above-mentioned CSI peak value in a frequency domain Feature can be combined with frequency acquisition target respiratory characteristic corresponding to the peak value of RSSI and CSI in a frequency domain.For example, RSSI It can be, but not limited to obtain the target breathing after the two combines according to pre-assigned different weight calculations with the combination of CSI Feature.

Wherein, it should be noted that the RSSI and CSI provided in above-mentioned the present embodiment, which is combined, obtains target respiratory characteristic In mode, the combination of above-mentioned RSSI and CSI are only a kind of examples, any restriction are not done to this in the present embodiment, according to number Learning calculation and combining two kinds of information may include in the design of the embodiment of the present invention in a manner of indicating respiratory characteristic.

By embodiment provided by the present application, the signal strength by obtaining wireless signal indicates information RSSI and/or letter Channel state information CSI, to extract the target respiratory characteristic in the first identity characteristic according to RSSI and/or CSI, to reach basis Respiratory characteristic quickly and accurately determines whether passively to unlock terminal, without being actively entered the authentication informations such as password, with The authenticated time to terminal is reduced, and then realizes the effect for improving terminal unlocking efficiency.

As a kind of optional scheme,

S1, extracting the target respiratory characteristic in the first identity characteristic according to RSSI and/or CSI includes:

S11, in time domain RSSI and/or CSI convert, obtain the RSSI and/or CSI in frequency domain；

S12, according to frequency acquisition target respiratory characteristic corresponding to the peak value of RSSI and/or CSI in frequency domain；

S2, the first identity characteristic meet the first predetermined condition when, include: to terminal unlocking

Whether S21 judges target respiratory characteristic and preset respiratory characteristic deviation between the two less than the first predetermined threshold Value；

S22 is right when target respiratory characteristic and preset respiratory characteristic deviation between the two are less than the first predetermined threshold Terminal unlocking.

Optionally, in the present embodiment, the frequency acquisition mesh according to corresponding to the peak value of RSSI and/or CSI in frequency domain Marking respiratory characteristic includes:

Optionally, in the present embodiment, target respiratory characteristic and preset respiratory characteristic deviation between the two can wrap It includes but is not limited at least one of: target respiratory characteristic and preset respiratory characteristic difference between the two, target breathing spy Sign and the preset respiratory characteristic difference of two squares between the two.It should be noted that target respiratory characteristic and preset respiratory characteristic The calculation that deviation between the two can also be used to indicate difference between the two by other obtains, and above-mentioned is only a kind of Example does not do any restriction to this in the present embodiment.

Specifically example is illustrated as shown in connection with fig. 4, it is assumed that the CSI for getting current radio signal, in 60s in time domain CSI (such as Fig. 4 (a) shown in) converted, obtain CSI in frequency domain (shown in such as Fig. 4 (b)).Further, it is assumed that by CSI in frequency Set of frequency corresponding to peak-peak in domain be target breathing frequency, then by comparing target respiratory characteristic with it is preset Respiratory characteristic deviation between the two, can be by comparing in target respiratory characteristic come during determining whether to terminal unlocking Target breathing frequency and preset respiratory characteristic in default respiratory rate deviation between the two determine whether to terminal Unlock.As shown in Fig. 4 (b), it is assumed that peak-peak appears in the 37th position, then it represents that 60s internal respiration 37 times, target can be obtained Respiratory rate is 60/37=1.6s.Further, it is assumed that default respiratory rate is 1.5s, then target breathing frequency and default breathing Frequency difference between the two then judges that target respiratory characteristic is exhaled with preset less than the first predetermined threshold 0.2s for 0.1s Suction feature deviation between the two, can be to terminal unlocking less than the first predetermined threshold.

In another example if assuming using frequency corresponding to CSI preceding M peak value in a frequency domain as target respiratory characteristic, The mistake to terminal unlocking is being determined whether by comparing target respiratory characteristic and preset respiratory characteristic deviation between the two Cheng Zhong can determine whether by comparing the deviation between the frequency and preset respiratory rate in target respiratory characteristic to end End unlock.For example, can be, but not limited to obtain respectively between each frequency and preset respiratory rate in target respiratory characteristic M difference, and the difference of two squares is calculated, using the difference of two squares as deviation between the two.Wherein, above-mentioned preset respiratory rate can Think a frequency values, M frequency values can also be correspondingly arranged, do not do any restriction to this in the present embodiment.

It should be noted that in the present embodiment, for using frequency corresponding to preceding M peak value as target respiratory characteristic Mode, the mode for calculating deviation can also include other calculations.Above-mentioned is only a kind of example, in the present embodiment not to this Do any restriction.

By embodiment provided by the present application, pass through the frequency according to corresponding to the peak value of RSSI and/or CSI in frequency domain Obtain target respiratory characteristic in target breathing frequency, with realize compare both target breathing frequency and preset respiratory rate it Between deviation whether less than the first predetermined threshold, to determine whether the first identity characteristic meets the first predetermined condition, to realize The terminal under stationary state is authenticated according to the first identity characteristic, to reach reduction authenticated time, improves unlock terminal Efficiency.

As a kind of optional scheme, obtain sensor measurement in terminal to Second Identity of Local include it is following at least One of:

S1 obtains the motion feature in the Second Identity of Local that the acceleration transducer in terminal measures, wherein movement Feature includes at least one of: leg speed, cadence, step width；

S2 obtains the input feature vector in the Second Identity of Local that the angular-rate sensor in terminal measures, wherein input Feature is used to indicate input mode when executing input operation.

Optionally, in the present embodiment, the data in the time domain measured according to acceleration transducer be can be, but not limited to And the data in the frequency domain after conversion, extract the motion feature in Second Identity of Local.That is, according to acceleration transducer Collected data judge the acceleration moved in all directions, so that it is various to restore current cadence, leg speed, step width etc. Motion feature.

For example, it is assumed that the acceleration transducer input in present terminal is 3-axis acceleration signal, above-mentioned three axis can be passed through Current step width, leg speed etc. are obtained in the signal of time domain output, cadence etc. is obtained by the signal exported in frequency domain.It is above-mentioned to be only A kind of example does not do any restriction to this in the present embodiment.

Optionally, in the present embodiment, above-mentioned angular-rate sensor can include but is not limited to the gyroscope in terminal.? That is flip angle of the terminal in all angles when executing input operation is detected by gyroscope, to obtain the second body Input feature vector in part feature, to obtain currently executing input mode when input execution operates.

It should be noted that in the present embodiment, when executing input operation, terminal has slight in all angles Overturning, and these overturnings can be detected by gyroscope.That is, the data detected by obtaining gyroscope, it can be also The frequency of text, speed, the information such as weight are inputted when former current execution input operation, so that realize is using input mode judgement It is no consistent with preset input mode, to reach according to the input mode in input habit the unlock certification realized to terminal, Without obtaining the actual content of input, the information for certification is avoided to be leaked, and then from improving the safety of terminal unlocking.

It is right respectively by the motion feature and input feature vector in Second Identity of Local by embodiment provided by the present application Terminal carries out certification unlock, not only ensure that the efficiency of unlock, further, also improves the safety of terminal unlocking.

As a kind of optional scheme, obtain defeated in the Second Identity of Local that the angular-rate sensor in terminal measures Entering feature includes:

S1 is detecting that terminal is in nonstatic state, and acceleration transducer it is unmeasured to motion feature when, obtain angle The input feature vector that velocity sensor measures.

Optionally, in the present embodiment, using angular-rate sensor measurement input feature vector application scenarios may include but It is not limited at least one of:

1) detecting that terminal is in nonstatic state, and acceleration transducer it is unmeasured to motion feature when, obtain angle The input feature vector that velocity sensor measures.For example, as shown in figure 3, during user normally interacts with terminal, as one The individual unlocking manner of kind, obtains input feature vector by angular-rate sensor.

2) when that can not detect the state that terminal is presently in, the input feature vector that angular-rate sensor measures is obtained. For example, as shown in figure 3, being gone back in the case where passive unlock (i.e. in such a way that respiratory characteristic and motion feature unlock) failure Terminal can actively be unlocked in such a way that angular-rate sensor obtains input feature vector.

By embodiment provided by the present application, the input feature vector measured by the angular-rate sensor got is to terminal The mode being unlocked can also be used as a kind of to the supplement passively unlocked separately as a kind of independent authentication mode Mode guarantees that user can be unlocked use to terminal in time to realize that the active to terminal unlocks, and avoids losing due to unlock The problem of needing to authenticate caused extension authenticated time repeatedly is lost, and then achievees the effect that improve unlock efficiency.Further, lead to It crosses and actively unlocks, be but not necessarily to obtain the mode of input content, will also be further ensured that the safety of terminal unlocking.

S1, in terminal display reminding information, wherein prompt information obtains scheduled text, scheduled text for prompting For the verifying text for unlock generated at random；

S2 obtains the input feature vector that angular-rate sensor measures during obtaining scheduled text.

It is specifically illustrated in conjunction with following example, for example, as shown in figure 5, display is obtained for prompting in terminal pop-up window Take the prompt information of scheduled text: " following text please be input: ", such as " verification information ".Wherein, above-mentioned scheduled text is (i.e. " verification information) it can be, but not limited to the verifying text for unlock generated at random for one section, and the password of non-pre-published setting. When inputting the scheduled text of current prompt, the gyroscope in terminal can obtain input feature vector, and with preset input feature vector It compares, to judge whether it is legitimate user, achievees the purpose that authentication.

By embodiment provided by the present application, by terminal display reminding information, to obtain scheduled text, thus real During obtaining scheduled text now, input feature vector is obtained by angular-rate sensor, terminal is carried out actively with reaching Unlock the effect of certification.

As a kind of optional scheme,

S1, obtaining the input feature vector in the Second Identity of Local that the angular-rate sensor in terminal measures includes: to obtain The input parameter that angular-rate sensor measures, wherein input parameter include at least one of: input dynamics, input displacement, Input frequency；

S2, Second Identity of Local meet the second predetermined condition when, to terminal unlocking include: judge to measure respectively it is defeated Enter whether parameter matches with corresponding default input parameter；Judging that the quantity of matched parameter reaches the second predetermined threshold When, judge to meet the second predetermined condition, to terminal unlocking.

It should be noted that in the present embodiment, above-mentioned input dynamics can be, but not limited to survey by angular-rate sensor The flip angle measured directly acquires；What above-mentioned input displacement can be, but not limited to arrive by angular-rate sensor in time domain measurement Flip angle and time are calculated；What above-mentioned input frequency can be, but not limited to arrive by angular-rate sensor in frequency domain measurement Frequency corresponding to peak value obtains.

Optionally, in the present embodiment, it can be, but not limited to for the second predetermined threshold being arranged according to different measurement accuracy For different values.Wherein, when the second predetermined threshold is bigger, measurement accuracy is higher.That is, being wrapped in input feature vector here Multiple input parameters are included, after matching is compared to above-mentioned multiple input parameters respectively, if judging the number of matched parameter When amount reaches the second predetermined threshold, then it represents that the input feature vector in the Second Identity of Local currently measured meets the second predetermined item Part can be unlocked terminal.

Optionally, in the present embodiment, each scheduled text can be, but not limited to obtain an input power respectively Degree, input displacement.For example, it is assumed that scheduled text be " verification information ", then can obtain respectively input " test " word, " card " word, When " letter " word, " breath " word, input dynamics, input displacement that angular-rate sensor measures respectively.Further, in conjunction with input process The input frequency got can carry out comprehensive descision to the input feature vector of multiple scheduled texts, to determine whether to terminal Unlock.

By embodiment provided by the present application, the input parameter measured by obtaining angular-rate sensor, and sentence respectively Whether the disconnected input parameter measured matches with corresponding default input parameter；To realize in the number for judging matched parameter When amount reaches the second predetermined threshold, active unlock is carried out to terminal, to achieve the purpose that guarantee the safety of unlock.

As a kind of optional scheme, obtaining the input parameter that angular-rate sensor measures includes:

S1 obtains the input dynamics in input feature vector according to the rotational angular velocity that angular-rate sensor measures in the time domain And input displacement；

S2 converts the rotational angular velocity in time domain, obtains the rotational angular velocity in frequency domain；

S3, according to the input frequency in frequency acquisition input feature vector corresponding to the peak value of the rotational angular velocity in frequency domain.

It is specifically illustrated in conjunction with following example, step S602-S614 as shown in Figure 6, obtains the three axis accelerometer in time domain Then instrument signal is rectified a deviation, is filtered, after on the one hand extracting to temporal signatures, when can obtain input in input feature vector Input dynamics and input displacement；On the other hand it after carrying out Fourier's variation, after being extracted to frequency domain character, can obtain in input feature vector Input frequency.

It should be noted that the step serial number in above-mentioned steps S606-S608, with step S610-S614 is only used for distinguishing, Without limiting the sequencing executed.

It should be noted that since each scheduled text can obtain input dynamics and input displacement respectively, then at this Input dynamics and input displacement in input feature vector are obtained in embodiment in the time domain can be, but not limited to include it is following at least it One: input dynamics and input displacement being obtained according to peak-peak, input dynamics and input displacement are obtained according to first peak value, obtained Take multiple average input dynamics of scheduled text and average input displacement.Above-mentioned is only a kind of example, right in the present embodiment This does not do any restriction.

For example, it is assumed that obtaining input power according to first peak value (corresponding peak value when inputting first scheduled text) Degree and input displacement.It is illustrated in figure 7 the angular speed that gyroscope is arrived in time domain measurement, then inputting dynamics can use shown in Fig. 7 The amplitude of first peak value indicates in time-domain signal, such as 1.8.In addition, input displacement can use time-domain signal shown in Fig. 7 In first peak value and corresponding time calculate after calculated result indicate, such as 2*1.8=3.6.

It should be noted that the data that above-mentioned angular-rate sensor measures in the time domain, can be, but not limited to for table Show input dynamics and input displacement, these numerical value do not have specific physical unit.

It, can be with after obtaining the rotational angular velocity in frequency domain in another example the rotational angular velocity in above-mentioned time domain is converted Frequency is inputted according to the corresponding frequency acquisition of peak value in frequency domain, specific acquisition process can be exhaled with reference to above-mentioned acquisition target The process of feature is inhaled, this is repeated no more in the present embodiment.

By embodiment provided by the present application, what is measured respectively in the time domain and in frequency domain according to angular-rate sensor is defeated Enter parameter obtain input feature vector, thus realize using the input feature vector for being used to indicate input mode in input process to determine whether Terminal is executed and is actively unlocked, without obtaining the content of input, and then achievees the effect that the safety for improving terminal unlocking.

As a kind of optional scheme, judge respectively the input parameter measured whether with corresponding default input parameter With including:

S1, judges whether the input dynamics measured and the deviation of corresponding default input dynamics are less than the predetermined threshold of third Value；

S2, judge the input displacement measured whether and corresponding default input displacement deviation it is whether predetermined less than the 4th Threshold value；And

S3, judge the input frequency measured whether and corresponding default input frequency deviation it is whether predetermined less than the 5th Threshold value.

Optionally, in the present embodiment, difference can be set to according to the different above-mentioned third predetermined thresholds of accuracy requirement Value；It can be set to different values according to different above-mentioned 4th predetermined thresholds of accuracy requirement；According to different precision Above-mentioned 5th predetermined threshold of demand can be set to different values.

Optionally, in the present embodiment, the deviation between input parameter and preset input parameter measured can wrap It includes but is not limited at least one of: difference between the two, the difference of two squares between the two.It should be noted that therebetween Deviation can also be used to indicate by other difference between the two calculation obtain, above-mentioned is only a kind of example, this Any restriction is not done in embodiment to this.

By embodiment provided by the present application, by the input parameter that judges to measure respectively whether with it is corresponding preset it is defeated Enter parameter matching, to obtain the quantity of matched parameter, to realize to the accurate judgement whether being unlocked to terminal.

It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention It is necessary.

Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation The method of example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing The part that technology contributes can be embodied in the form of software products, which is stored in a storage In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.

Embodiment 2

According to embodiments of the present invention, additionally provide it is a kind of for implementing the terminal unlocking device of above-mentioned terminal unlock method, As shown in figure 8, the device includes:

1) detection unit 802, the state being presently in for detecting the terminal under screen lock state；

2) the first unlocking unit 804, for when detecting that terminal remains static, according to the current connected nothing of terminal The first identity characteristic of line signal extraction, when the first identity characteristic meets the first predetermined condition, to terminal unlocking；

3) the second unlocking unit 806, for obtaining the sensor in terminal when detecting that terminal is in nonstatic state The Second Identity of Local measured, when Second Identity of Local meets the second predetermined condition, to terminal unlocking.

Optionally, in the present embodiment, above-mentioned terminal unlocking device can be, but not limited to the end being applied under screen lock state End.Specifically, the state that is presently in of terminal under detection screen lock state, when the terminal remains static, then basis Currently connected wireless signal extracts the first identity characteristic to terminal, and when the first identity characteristic meets the first predetermined condition, right Terminal unlocking；When the terminal is in nonstatic state, then the Second Identity of Local that the sensor measurement in terminal arrives is obtained, and When Second Identity of Local meets the second predetermined condition, to terminal unlocking.That is, to detecting under different conditions Terminal, it is rapidly passive to the terminal progress under different conditions to realize respectively by being compared with different identity characteristics Unlock to reduce authenticated time used in terminal unlocking process, and then achievees the effect that improve terminal unlocking efficiency.

Optionally, in the present embodiment, it after terminal again screen locking, can be, but not limited to current again by detection terminal State in which is respectively adopted different identity characteristics to terminal and carries out safety to realize the different conditions according to locating for terminal Rapidly certification identification.That is, that is, under screen lock state, can be repeated to terminal above-mentioned after terminal screen locking Terminal unlocking device.

As a kind of optional scheme, the first unlocking unit includes:

1) first module is obtained, the signal strength for obtaining wireless signal indicates information (Received Signal Strength Indication, RSSI) and/or channel state information (Channel State Information, CSI)；

2) extraction module, for extracting the target respiratory characteristic in the first identity characteristic according to RSSI and/or CSI.

As a kind of optional scheme,

1) extraction module includes: (1) transform subblock, for in time domain RSSI and/or CSI convert, obtain RSSI and/or CSI in frequency domain；(2) first acquisition submodules, for right according to the peak value institute of RSSI and/or CSI in frequency domain The frequency acquisition target respiratory characteristic answered；

2) the first unlocking unit includes: (1) first judgment module, for judging that target respiratory characteristic and preset breathing are special Deviation between the two is levied whether less than the first predetermined threshold；(2) first unlocked states are used in target respiratory characteristic and preset Respiratory characteristic deviation between the two less than the first predetermined threshold when, to terminal unlocking.

As a kind of optional scheme, the second unlocking unit includes at least one of:

1) second module, the fortune in Second Identity of Local that the acceleration transducer for obtaining in terminal measures are obtained Dynamic feature, wherein motion feature includes at least one of: leg speed, cadence, step width；

2) third obtains module, defeated in the Second Identity of Local that the angular-rate sensor for obtaining in terminal measures Enter feature, wherein input feature vector is used to indicate input mode when executing input operation.

As a kind of optional scheme, third obtains module and includes:

1) the second acquisition submodule, for detecting that terminal is in nonstatic state, and acceleration transducer is unmeasured When to motion feature, the input feature vector that angular-rate sensor measures is obtained.

As a kind of optional scheme, third obtains module and includes:

1) display sub-module, in terminal display reminding information, wherein prompt information obtains scheduled text for prompting Word, scheduled text are the verifying text for unlock generated at random；

2) third acquisition submodule is measured for during obtaining scheduled text, obtaining angular-rate sensor Input feature vector.

As a kind of optional scheme,

1) it includes: (1) the 4th acquisition submodule, the input measured for obtaining angular-rate sensor that third, which obtains module, Parameter, wherein input parameter includes at least one of: input dynamics, input displacement, input frequency；

2) the second unlocking unit includes: (1) second judgment module, the input parameter for judging to measure respectively whether with Corresponding default input parameter matching；(2) second unlocked states, for judging that it is pre- that the quantity of matched parameter reaches second When determining threshold value, judge to meet the second predetermined condition, to terminal unlocking.

As a kind of optional scheme, the 4th acquisition submodule obtains what angular-rate sensor measured by following steps Inputting parameter includes:

As a kind of optional scheme, the second judgment module includes:

1) deviation of the first judging submodule, input dynamics and corresponding default input dynamics for judging to measure is It is no to be less than third predetermined threshold；

2) whether second judgment submodule, the input displacement for judging to measure are inclined with corresponding default input displacement Whether difference is less than the 4th predetermined threshold；And

3) whether third judging submodule, the input frequency for judging to measure are inclined with corresponding default input frequency Whether difference is less than the 5th predetermined threshold.

Embodiment 3

According to embodiments of the present invention, additionally provide it is a kind of for implementing the terminal of above-mentioned terminal unlock method, such as Fig. 9 institute Show, which includes:

1) communication interface 902 are set as obtaining the state that the terminal under screen lock state is presently in；

2) processor 904 are connect with communication interface 902, are set as when terminal remains static, current according to terminal Connected wireless signal extracts the first identity characteristic, when the first identity characteristic meets the first predetermined condition, to terminal unlocking；? When terminal is in nonstatic state, the Second Identity of Local that the sensor measurement in terminal arrives is obtained, it is full in Second Identity of Local When the second predetermined condition of foot, to terminal unlocking.

3) memory 906 are connect with communication interface 902 and processor 904, are set as storage the first identity characteristic and second Identity characteristic.

Optionally, the specific example in the present embodiment can be shown with reference to described in above-described embodiment 1 and embodiment 2 Example, details are not described herein for the present embodiment.

Embodiment 4

The embodiments of the present invention also provide a kind of storage mediums.Optionally, in the present embodiment, above-mentioned storage medium can With at least one network equipment in multiple network equipments in the network that is located at.

Optionally, in the present embodiment, storage medium is arranged to store the program code for executing following steps:

S1 detects the state that the terminal under screen lock state is presently in；

S2, when detecting that terminal remains static, according to terminal, currently connected wireless signal extracts the first identity Feature, when the first identity characteristic meets the first predetermined condition, to terminal unlocking；

It is special to obtain the second identity that the sensor measurement in terminal arrives when detecting that terminal is in nonstatic state by S3 Sign, when Second Identity of Local meets the second predetermined condition, to terminal unlocking.

Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or The various media that can store program code such as CD.

The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.

If the integrated unit in above-described embodiment is realized in the form of SFU software functional unit and as independent product When selling or using, it can store in above-mentioned computer-readable storage medium.Based on this understanding, skill of the invention Substantially all or part of the part that contributes to existing technology or the technical solution can be with soft in other words for art scheme The form of part product embodies, which is stored in a storage medium, including some instructions are used so that one Platform or multiple stage computers equipment (can be personal computer, server or network equipment etc.) execute each embodiment institute of the present invention State all or part of the steps of method.

In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment The part of detailed description, reference can be made to the related descriptions of other embodiments.

In several embodiments provided herein, it should be understood that disclosed client, it can be by others side Formula is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, and only one Kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or It is desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed it is mutual it Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module It connects, can be electrical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.

The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims

1. a kind of terminal unlock method characterized by comprising

The state that terminal under detection screen lock state is presently in；

When detecting that the terminal remains static, according to the terminal, currently connected wireless signal extracts the first identity Feature, when first identity characteristic meets the first predetermined condition, to the terminal unlocking, wherein first identity is special Sign includes target respiratory characteristic；

When detecting that the terminal is in nonstatic state, it is special to obtain the second identity that the sensor measurement in the terminal arrives Sign, when the Second Identity of Local meets the second predetermined condition, to the terminal unlocking.

2. the method according to claim 1, wherein described, according to the terminal, currently connected wireless signal is mentioned The first identity characteristic is taken to include:

Obtain the signal strength instruction information RSSI and/or channel state information CSI of the wireless signal；

The target respiratory characteristic in first identity characteristic is extracted according to the RSSI and/or the CSI.

3. according to the method described in claim 2, it is characterized in that,

It is described that extract the target respiratory characteristic in first identity characteristic according to the RSSI and/or the CSI include: clock synchronization The RSSI and/or the CSI in domain are converted, and the RSSI and/or the CSI in frequency domain are obtained；According to frequency domain In the RSSI and/or the CSI peak value corresponding to target respiratory characteristic described in frequency acquisition；

It is described first identity characteristic meet the first predetermined condition when, include: to judge the target to the terminal unlocking Whether respiratory characteristic and preset respiratory characteristic deviation between the two are less than the first predetermined threshold；In the target respiratory characteristic And when preset respiratory characteristic deviation between the two is less than first predetermined threshold, to the terminal unlocking.

4. the method according to claim 1, wherein the sensor measurement obtained in the terminal arrive the Two identity characteristics include at least one of:

Obtain the motion feature in the Second Identity of Local that the acceleration transducer in the terminal measures, wherein institute Stating motion feature includes at least one of: leg speed, cadence, step width；

Obtain the input feature vector in the Second Identity of Local that the angular-rate sensor in the terminal measures, wherein institute It states input feature vector and is used to indicate the input mode executed when input operates.

5. according to the method described in claim 4, it is characterized in that, the angular-rate sensor measurement obtained in the terminal To the Second Identity of Local in input feature vector include:

Detecting that the terminal is in the nonstatic state, and the acceleration transducer is unmeasured arrives the motion feature When, obtain the input feature vector that the angular-rate sensor measures.

6. according to the method described in claim 4, it is characterized in that, the angular-rate sensor measurement obtained in the terminal To the Second Identity of Local in input feature vector include:

In the terminal display reminding information, wherein the prompt information obtains scheduled text for prompting, described scheduled Text is the verifying text for unlock generated at random；

During obtaining the scheduled text, the input feature vector that the angular-rate sensor measures is obtained.

7. according to the method described in claim 4, it is characterized in that,

The input feature vector in the Second Identity of Local that the angular-rate sensor obtained in the terminal measures includes: Obtain the input parameter that the angular-rate sensor measures, wherein the input parameter includes at least one of: input power Degree, input displacement, input frequency；

It is described the Second Identity of Local meet the second predetermined condition when, to the terminal unlocking include: respectively judgement measure Whether the input parameter arrived matches with corresponding default input parameter；Reach second in the quantity for judging matched parameter When predetermined threshold, judge to meet second predetermined condition, to the terminal unlocking.

8. the method according to the description of claim 7 is characterized in that the input for obtaining the angular-rate sensor and measuring Parameter includes:

The input power in the input feature vector is obtained according to the rotational angular velocity that the angular-rate sensor measures in the time domain Degree and input displacement；

The rotational angular velocity in time domain is converted, the rotational angular velocity in frequency domain is obtained；

According to the input frequency in input feature vector described in frequency acquisition corresponding to the peak value of the rotational angular velocity in frequency domain.

9. the method according to the description of claim 7 is characterized in that the input parameter for judging to measure respectively whether Include: with corresponding default input parameter matching

Judge whether the deviation of the input dynamics and corresponding default input dynamics that measure is less than third predetermined threshold；

Judge the input displacement that measures whether and corresponding default input displacement deviation whether less than the 4th predetermined threshold Value；And

Judge the input frequency that measures whether and corresponding default input frequency deviation whether less than the 5th predetermined threshold Value.

10. a kind of terminal unlocking device characterized by comprising

Detection unit, the state being presently in for detecting the terminal under screen lock state；

First unlocking unit, for when detecting that the terminal remains static, according to the current connected nothing of the terminal The first identity characteristic of line signal extraction, when first identity characteristic meets the first predetermined condition, to the terminal unlocking, In, first identity characteristic includes target respiratory characteristic；

Second unlocking unit, for obtaining the sensor in the terminal when detecting that the terminal is in nonstatic state The Second Identity of Local measured, when the Second Identity of Local meets the second predetermined condition, to the terminal unlocking.

11. device according to claim 10, which is characterized in that first unlocking unit includes:

First obtains module, and the signal strength for obtaining the wireless signal indicates information RSSI and/or channel state information CSI；

Extraction module, it is special for extracting the breathing of the target in first identity characteristic according to the RSSI and/or the CSI Sign.

12. device according to claim 11, which is characterized in that

The extraction module includes: transform subblock, for in time domain the RSSI and/or the CSI convert, obtain The RSSI and/or the CSI into frequency domain；First acquisition submodule, for according in frequency domain the RSSI and/or institute State target respiratory characteristic described in frequency acquisition corresponding to the peak value of CSI；

First unlocking unit includes: first judgment module, for judging that the target respiratory characteristic and preset breathing are special Deviation between the two is levied whether less than the first predetermined threshold；First unlocked state, in the target respiratory characteristic and institute When stating preset respiratory characteristic deviation between the two less than first predetermined threshold, to the terminal unlocking.

13. device according to claim 10, which is characterized in that second unlocking unit includes at least one of:

Second obtains module, for obtaining in the Second Identity of Local that the acceleration transducer in the terminal measures Motion feature, wherein the motion feature includes at least one of: leg speed, cadence, step width；

Third obtains module, for obtaining in the Second Identity of Local that the angular-rate sensor in the terminal measures Input feature vector, wherein the input feature vector is used to indicate input mode when executing input operation.

14. device according to claim 13, which is characterized in that the third obtains module and includes:

Second acquisition submodule, for detecting that the terminal is in the nonstatic state, and the acceleration transducer It is unmeasured to the motion feature when, obtain the input feature vector that the angular-rate sensor measures.

15. device according to claim 13, which is characterized in that the third obtains module and includes:

Display sub-module, in the terminal display reminding information, wherein the prompt information is scheduled for prompting to obtain Text, the scheduled text are the verifying text for unlock generated at random；

Third acquisition submodule, for during obtaining the scheduled text, obtaining the angular-rate sensor measurement The input feature vector arrived.

16. device according to claim 13, which is characterized in that

It includes: the 4th acquisition submodule that the third, which obtains module, the input measured for obtaining the angular-rate sensor Parameter, wherein the input parameter includes at least one of: input dynamics, input displacement, input frequency；

Second unlocking unit includes: the second judgment module, the input parameter for judging to measure respectively whether with Corresponding default input parameter matching；Second unlocked state, for judging that it is predetermined that the quantity of matched parameter reaches second When threshold value, judge to meet second predetermined condition, to the terminal unlocking.

17. device according to claim 16, which is characterized in that the 4th acquisition submodule is obtained by following steps The input parameter that the angular-rate sensor measures includes:

18. device according to claim 16, which is characterized in that second judgment module includes:

First judging submodule, whether the deviation of the input dynamics and corresponding default input dynamics for judging to measure Less than third predetermined threshold；

Second judgment submodule, the input displacement for judging to measure whether and corresponding default input displacement deviation Whether less than the 4th predetermined threshold；And

Third judging submodule, the input frequency for judging to measure whether and it is corresponding it is default input frequency deviation Whether less than the 5th predetermined threshold.