CN108334769A - Unlocked by fingerprint method and device - Google Patents
Unlocked by fingerprint method and device Download PDFInfo
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- CN108334769A CN108334769A CN201810481333.9A CN201810481333A CN108334769A CN 108334769 A CN108334769 A CN 108334769A CN 201810481333 A CN201810481333 A CN 201810481333A CN 108334769 A CN108334769 A CN 108334769A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
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- Computer Security & Cryptography (AREA)
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- General Engineering & Computer Science (AREA)
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- Collating Specific Patterns (AREA)
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Abstract
Present disclose provides a kind of unlocked by fingerprint method and devices, belong to field of terminal technology.This method includes：When terminal, which is in, waits for unlocked state, if detecting that the fingerprint pressing of touch screen be that effective fingerprint presses, whether the pressing dynamics of detection fingerprint pressing reach predetermined threshold value, and touch screen is in screen state of going out；When the pressing dynamics of fingerprint pressing reach predetermined threshold value, terminal system is waken up；Touch screen is switched to bright screen state by screen state of going out；Terminal is unlocked when the fingerprint feature information of acquisition and fingerprint template successful match.The disclosure is when terminal is in and waits for unlock, terminal system is just waken up when detecting that effective fingerprint to touch screen presses and pressing dynamics are more than predetermined threshold value, terminal is unlocked when the fingerprint feature information of acquisition and fingerprint template successful match, provide a kind of rationally effective interior unlocked by fingerprint method of screen, the phenomenon that user misses touch screen curtain is effectively prevented, ensure that the validity and accuracy of unlock.
Description
Technical field
This disclosure relates to field of terminal technology more particularly to a kind of unlocked by fingerprint method and device.
Background technology
With the development of science and technology, optical finger print sensing technology and OLED (Organic Light-Emitting
Diode, Organic Light Emitting Diode) the spontaneous light characteristic of screen so that mobile phone shields comprehensively and positive being combined into for fingerprint recognition can
Can, i.e., fingerprint recognition (fingerprint recognition in also referred to as shielding) is carried out in screen.
It is mobile eventually to be not applied to mobile phone of publication etc. also in research and optimizing phase for fingerprint identification technology in screen at present
On end.Correspondingly, the unlocked by fingerprint flow based on fingerprint recognition in screen is also at the exploratory stage, how based on fingerprint recognition in screen
Realize that rationally effective unlocked by fingerprint is problem to be solved.
Invention content
To overcome the problems in correlation technique, the disclosure provides a kind of unlocked by fingerprint method and device, the technology
Scheme is as follows：
According to the first aspect of the embodiments of the present disclosure, a kind of unlocked by fingerprint method is provided, including：
When terminal, which is in, waits for unlocked state, if detecting that the fingerprint pressing of touch screen be that effective fingerprint presses,
Whether the pressing dynamics for detecting the fingerprint pressing reach predetermined threshold value, and the touch screen is in screen state of going out；
When the pressing dynamics of fingerprint pressing reach the predetermined threshold value, the system that wakes up the terminal；
The touch screen is switched to bright screen state by the screen state of going out；
Obtain the fingerprint feature information of the fingerprint pressing；
When the fingerprint feature information and fingerprint template successful match, the terminal is unlocked.
In one possible implementation,
In one possible implementation, whether the pressing dynamics of the detection fingerprint pressing reach predetermined threshold value
Before, the method further includes：
Determine the fingerprint identification region of the touch screen；
When the position of fingerprint pressing is in the fingerprint identification region, determine that the fingerprint pressing is effective fingerprint
Whether pressing, the pressing dynamics for executing the detection fingerprint pressing reach predetermined threshold value and its subsequent step.
In one possible implementation, it is described by the touch screen by the screen state of going out be switched to bright screen state it
Afterwards, the method further includes：
Obtain preset locking screen interface；
Show the locking screen interface.
In one possible implementation, after the system for waking up the terminal, the method further includes：
If detecting effective fingerprint pressing to the touch screen within a preset time interval, execute the touch screen
Bright screen state and its subsequent step are switched to by the screen state of going out；
If effective fingerprint pressing to the touch screen is not detected in the prefixed time interval, the end is controlled
End enters the waiting unlocked state.
In one possible implementation, after the fingerprint feature information for obtaining the fingerprint pressing, the side
Method further includes：
When it fails to match for the fingerprint feature information and fingerprint template, touched to described if detected in preset duration
Effective fingerprint pressing of control screen, executes the fingerprint feature information and its subsequent step for obtaining pressing；
If be not detected in the preset duration to the pressing of effective fingerprint of the touch screen, control the terminal into
Enter the waiting unlocked state.
According to the second aspect of the embodiment of the present disclosure, a kind of unlocked by fingerprint device is provided, including：
Dynamics detection module, for when terminal is in and waits for unlocked state, if detect to the fingerprint of touch screen by
Pressure is that effective fingerprint presses, and whether the pressing dynamics for detecting the fingerprint pressing reach predetermined threshold value, and the touch screen, which is in, to go out
Screen state；
Wake-up module wakes up the terminal when pressing dynamics for being pressed when the fingerprint reach the predetermined threshold value
System；
Screen display controlling module, for the touch screen to be switched to bright screen state by the screen state of going out；
Fingerprint acquisition module, the fingerprint feature information for obtaining the fingerprint pressing；
Unlocked state, for when the fingerprint feature information is with fingerprint template successful match, unlocking the terminal.
In one possible implementation, described device further includes：
First determining module, the fingerprint identification region for determining the touch screen；
Second determining module, described in when the position that the fingerprint presses is in the fingerprint identification region, determining
Fingerprint pressing is that effective fingerprint presses, execute detection fingerprint pressing pressing dynamics whether reach predetermined threshold value and its
Subsequent step.
In one possible implementation, described device further includes：
Interface acquisition module, for obtaining preset locking screen interface；
Display module, for showing the locking screen interface.
In one possible implementation, described device further includes：
First finger print detecting module, if for detecting effective fingerprint to the touch screen within a preset time interval
Pressing executes the touch screen being switched to bright screen state and its subsequent step by the screen state of going out；If described default
Effective fingerprint pressing to the touch screen is not detected in time interval, controls the terminal and unlocks shape into the waiting
State.
In one possible implementation, described device further includes：
Second finger print detecting module, for when it fails to match for the fingerprint feature information and fingerprint template, if pre-
If detecting effective fingerprint pressing to the touch screen in duration, the fingerprint feature information for obtaining pressing and its follow-up step are executed
Suddenly；If effective fingerprint pressing to the touch screen is not detected in the preset duration, controls the terminal and enter institute
State waiting unlocked state.
According to the third aspect of the embodiment of the present disclosure, a kind of unlocked by fingerprint device is provided, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：When terminal, which is in, waits for unlocked state, if detected to touch screen
Fingerprint pressing is that effective fingerprint presses, and whether the pressing dynamics for detecting the fingerprint pressing reach predetermined threshold value, the touch screen
In screen state of going out；When the pressing dynamics of fingerprint pressing reach the predetermined threshold value, the system that wakes up the terminal；It will
The touch screen is switched to bright screen state by the screen state of going out；Obtain the fingerprint feature information of the fingerprint pressing；When described
When fingerprint feature information is with fingerprint template successful match, the terminal is unlocked.
The technical scheme provided by this disclosed embodiment can include the following benefits：Terminal, which is in, waits for unlocked state
When lower, terminal system is just waken up when detecting that effective fingerprint to touch screen presses and pressing dynamics are more than predetermined threshold value, so
The fingerprint feature information for obtaining fingerprint pressing afterwards, when the fingerprint feature information of acquisition and fingerprint template successful match, unlock is eventually
End, provides a kind of reasonable effective unlocked by fingerprint method based on fingerprint recognition in screen, this method effectively prevent user without
The mistake that contact screen occurs of anticipating touches phenomenon, ensure that the validity and accuracy of unlocked by fingerprint.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart of unlocked by fingerprint method shown according to an exemplary embodiment.
Fig. 2 is a kind of flow chart of unlocked by fingerprint method shown according to an exemplary embodiment.
Fig. 3 is a kind of flow chart of unlocked by fingerprint method shown according to an exemplary embodiment.
Fig. 4 is a kind of block diagram of unlocked by fingerprint device shown according to an exemplary embodiment.
Fig. 5 is a kind of block diagram of unlocked by fingerprint device shown according to an exemplary embodiment.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the disclosure clearer, below in conjunction with attached drawing to disclosure embodiment party
Formula is described in further detail.
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 is a kind of flow chart of unlocked by fingerprint method shown according to an exemplary embodiment, as shown in Figure 1, the party
Method is used in terminal, is included the following steps：
In a step 101, when terminal, which is in, waits for unlocked state, if detecting the fingerprint pressing to touch screen to have
Fingerprint pressing is imitated, whether the pressing dynamics for detecting fingerprint pressing reach predetermined threshold value, which is in screen state of going out.
In a step 102, when the pressing dynamics of fingerprint pressing reach the predetermined threshold value, the system that wakes up the terminal.
In step 103, which is switched to bright screen state by the screen state of going out.
At step 104, the fingerprint feature information of fingerprint pressing is obtained.
In step 105, when the fingerprint feature information and fingerprint template successful match, the terminal is unlocked.
The method that the embodiment of the present disclosure provides has touch screen detecting when terminal is under waiting unlocked state
The pressing of effect fingerprint and pressing dynamics just wake up terminal system when being more than predetermined threshold value, then obtain the fingerprint characteristic letter that fingerprint presses
Breath unlocks terminal when the fingerprint feature information of acquisition and fingerprint template successful match, provides one kind and is known based on fingerprint in screen
Other rationally effective unlocked by fingerprint method, this method effectively prevent the tactile phenomenon of mistake that user is not intended to contact screen generation, protect
The validity and accuracy of unlocked by fingerprint are demonstrate,proved.
In one possible implementation, the detection fingerprint pressing pressing dynamics whether reach predetermined threshold value it
Before, this method further includes：
Determine the fingerprint identification region of the touch screen；
When the position of fingerprint pressing is in the fingerprint identification region, determine that fingerprint pressing is that effective fingerprint presses,
Whether the pressing dynamics for executing detection fingerprint pressing reach predetermined threshold value and its subsequent step.
It in one possible implementation, should after which is switched to bright screen state by this by the screen state of going out
Method further includes：
Obtain preset locking screen interface；
Show the locking screen interface.
In one possible implementation, after the system of the wake-up terminal, this method further includes：
If detecting effective fingerprint pressing to the touch screen within a preset time interval, execute the touch screen by this
Screen state of going out is switched to bright screen state and its subsequent step；
If effective fingerprint pressing to the touch screen is not detected in the prefixed time interval, terminal entrance is controlled
The waiting unlocked state.
In one possible implementation, after the fingerprint feature information of acquisition fingerprint pressing, this method is also wrapped
It includes：
When it fails to match for the fingerprint feature information and fingerprint template, if detected in preset duration to the touch screen
Effective fingerprint pressing, execute obtain pressing fingerprint feature information and its subsequent step；
If be not detected in the preset duration to the pressing of effective fingerprint of the touch screen, control the terminal enter it is such
Wait for unlocked state.
The alternative embodiment that any combination forms the disclosure may be used, herein no longer in above-mentioned all optional technical solutions
It repeats one by one.
Fig. 2 is a kind of flow chart of unlocked by fingerprint method shown according to an exemplary embodiment, as shown in Fig. 2, the party
Method is used in terminal, is included the following steps：
In step 201, when terminal, which is in, waits for unlocked state, if detecting the fingerprint pressing to touch screen to have
Fingerprint pressing is imitated, whether the pressing dynamics for detecting fingerprint pressing reach predetermined threshold value.
In the present embodiment, terminal, which is in the characteristics of waiting for unlocked state, is：Terminal is in suspend mode, screen lock state, touch-control
Screen is constantly in the state for waiting for finger pressing, it is understood that the ready state of fingerprint detection is in for touch screen.
In the present embodiment, which is in screen dispaly state of going out.Under screen dispaly state of going out, touch screen is in go out entirely
State does not show any information.The screen state of going out can be arranged interface by terminal and be configured.
Wherein, the touch screen of terminal can have spontaneous light characteristic, such as the touch screen can be OLED display screen or
The display screen that Micro LED displays etc. are made of characteristics of luminescence material, the present embodiment are not construed as limiting this.Certainly, terminal is touched
Control screen can not also have spontaneous light characteristic, for example, the touch screen can be LCD (liquid crystal display, Liquid with backlight
Crystal Display) screen module.
When touch screen is when waiting for finger pressing state, once terminal detects the fingerprint pressing to touch screen, then can sentence
Whether fingerprint pressing of breaking is the pressing of effective fingerprint, judge the fingerprint detected pressing whether be effective fingerprint pressing process
For：Determine the fingerprint identification region of touch screen；When the position of fingerprint pressing is in the fingerprint identification region, the fingerprint is determined
Pressing is that effective fingerprint presses.
Wherein, fingerprint pressing refers to touching the pressing occurred by finger or toe, and pass through key, bank card, clothing etc.
The fingerprint for being not belonging to the present embodiment caused by lifeless object to the pressing of touch screen presses scope.
Wherein, fingerprint identification region can be the subregion of touch screen, can also be entire touch screen region.In one kind
In embodiment, the fingerprint sensor for having fingerprint identification function is set below touch screen；In another embodiment, when
When touch screen has spontaneous light characteristic, fingerprint sensor is added in the luminescent layer of touch screen, in each rgb pixel of touch screen
Fingerprint recognition pixel is added on point side, and entire touch screen is made to all have the function of fingerprint recognition.When it is implemented, can be according to finger
Entire touch screen is carried out the division of optional fingerprint identification region by the position of line sensor, for example, touch screen is drawn from top to bottom
It is divided into the optional fingerprint identification region in upper, middle and lower three, interface can be arranged by one or more optional fingerprint recognitions in terminal in user
Region is set as final fingerprint identification region, when all optional fingerprint identification region (such as three optional fingerprint recognitions of upper, middle and lower
Region) it is selected when, entire touch screen is final fingerprint identification region.It should be noted that optional fingerprint identification area
Domain divide mode can also include：Left, center, right, sphere of movements for the elephants divide, " well " stroke divides or the division of multiple irregular shapes
Deng the present embodiment is not construed as limiting this.
Since user is in real desired unlocked by fingerprint, can be pressed with certain dynamics, in order to avoid user is not intended to
It is accidentally touched caused by contact screen, improves the validity and accuracy of fingerprint detection, the pressing dynamics that terminal can be pressed according to fingerprint
Come judge user whether need carry out unlocked by fingerprint, namely detection fingerprint pressing pressing dynamics whether reach predetermined threshold value, such as
Fruit reaches predetermined threshold value, it is determined that user needs to carry out unlocked by fingerprint and executes step 202；Otherwise, it determines user need not be into
Row unlocked by fingerprint, terminal remain waiting for unlocked state.
Wherein, predetermined threshold value can be arranged in manufacture in terminal system, can also be repaiied when terminal system upgrades
Change, for example, by increasing the numerical value of predetermined threshold value in a certain range to improve the robustness of fingerprint detection, alternatively, by
Reduce the numerical value of predetermined threshold value in a certain range to improve the sensitivity of fingerprint detection.It is, of course, also possible to according to user fingerprints spy
Property is adjusted the predetermined threshold value, for example, the user for fingerprint than shallower (i.e. fingerprint protrusion unobvious), needs pressing force
Spend it is larger can just get accurate fingerprint, can increase the predetermined threshold value in a certain range for such case
Numerical value.
In step 202, when detecting that the pressing dynamics of fingerprint pressing reach predetermined threshold value, the system that wakes up terminal.
Wherein, it refers to that terminal is switched to wake-up states by dormant state to wake up terminal system, and terminal will be under dormant state
The process of stopping reactivates operation, hence into wake-up states.
After waking up terminal system, in order to further avoid user's accident touch on touch control screen, ensure the validity of unlocked by fingerprint
And accuracy, terminal can also further determine that whether user's finger still contacts touch screen at this time, if user's finger still connects
Then determination needs to continue unlocked by fingerprint tactile touch screen, otherwise determines and needs not continue to carry out unlocked by fingerprint, which includes：
If terminal detects effective fingerprint pressing to touch screen within a preset time interval, then executes step 203 by the touch-control
Screen is switched to bright screen state and its subsequent step by the screen state of going out；If be not detected within a preset time interval to touch-control
Effective fingerprint pressing of screen, control terminal enter the waiting unlocked state.Include unlocked by fingerprint flow such as Fig. 3 institutes of the process
Show.
It should be noted that when terminal enters and waits for unlocked state, touch screen, into death of monks or nuns screen state, is touched by bright screen state
Control screen is in finger pressing state is waited for, at this point, if a terminal detects that effectively fingerprint pressing, thens follow the steps 201.Wherein,
Prefixed time interval is preset or is changed by terminal, and the present embodiment is not construed as limiting this.The judgment method of effective fingerprint pressing
Similarly with the judgment method of effective fingerprint pressing in step 201, this will not be repeated here.
In step 203, touch screen is switched to bright screen state by screen state of going out.
In the present embodiment, terminal sends status switching instruction to touch screen, is switched to by screen state of going out by touch screen bright
Screen state.
It should be noted that terminal can be shone by controlling touch screen, to control the dispaly state of touch screen.For example,
Shield display by controlling the not luminous realization of touch screen and going out, is shown by controlling the bright screen of touch screen Integral luminous realization.Wherein, terminal
It includes following two realization methods that control touch screen, which is switched to bright screen state,：In one implementation, when touch screen has certainly
When the characteristics of luminescence, spontaneous light characteristic of the terminal based on touch screen applies voltage so that inside the touch screen on monoblock touch screen
Electric current is generated, excitation photon is to realize that entire touch screen shines so that touch screen successful switch to bright screen state.Wherein, electric
Stream is bigger, and the brightness of the touch screen is higher.In another implementation, when touch screen does not have spontaneous light characteristic, eventually
End is by the power-up of the backlight of monoblock touch screen, to open the backlight of monoblock touch screen so that touch screen successful switch is to bright
Screen state.
In step 204, preset locking screen interface is obtained, shows the locking screen interface.
For locking screen interface for prompting present terminal to be in screen lock state, the style of the locking screen interface can pass through terminal by user
It is configured.
In the present embodiment, the position that terminal can be pressed according to fingerprint shows unlock instruction information in locking screen interface, should
Unlock instruction information is used to indicate current just in releasing process, which indicates that information can be word, picture, animation etc.,
For example, centered on fingerprint pressing position, the dynamic effect of displaying progress finger scan in unlock interface.
In step 205, the fingerprint feature information of fingerprint pressing is obtained.
In the present embodiment, the process of the fingerprint feature information of acquisition fingerprint pressing includes：Terminal passes through fingerprint sensor
The fingerprint image for capturing fingerprint pressing takes the fingerprint characteristic information according to fingerprint image.
It should be noted that in the present embodiment when touch screen has spontaneous light characteristic, terminal can utilize touch screen
Spontaneous light characteristic and the fingerprint sensor being arranged below screen realize fingerprint recognition in screen.When touch screen does not have self-luminous spy
Property when, terminal can realize fingerprint recognition in screen by backlight in touch screen and the fingerprint sensor being arranged below screen,
The present embodiment is not construed as limiting the concrete mode of fingerprint recognition in screen.
Wherein, terminal can be by the process of the fingerprint image of fingerprint sensor crawl fingerprint pressing：When terminal touch-control
After screen is lighted, light source is irradiated on finger print, the streakline of fingerprint upper process and the streakline of recess pass through respectively diffusing reflection and
Total reflection forms an in white and black fingerprint image in fingerprint sensor side.
Wherein, fingerprint feature information includes the helix information of fingerprint and the inflection point information of lines.Helix information is for referring to
Show the spiral-shaped of fingerprint, lines width, spiral center and entire lines relative position etc..Inflection point information includes that inflection point is opposite
In information such as the relative position of entire lines, inflection point direction and bifurcated numbers.
In step 206, terminal matches the fingerprint feature information with pre-stored fingerprint template, if matching
Successful execution step 207 executes step 208 if it fails to match.
In the present embodiment, when terminal opens fingerprint identification function, user need to carry out fingerprint typing, in fingerprint typing
In the process, terminal shows that fingerprint acquisition interface, fingerprint acquisition interface instruction have fingerprint collecting region, user that can place a digit into
Fingerprint typing is carried out in fingerprint collecting region.In fingerprint Input Process, terminal acquires the effective fingerprint of preset times, to acquisition
Effective fingerprint carry out feature extraction, which is stored as fingerprint by the fingerprint feature information collection acquired
Template.
Wherein, preset times can be pre-set by terminal, for example default is 6 times, 7 times, 8 times, 9 times, 10 times herein
Deng the present embodiment is not construed as limiting this.
Wherein, include complete user fingerprints information to make fingerprint template as possible, terminal can be to the fingerprint that acquires every time
Validation checking is carried out, when the finger print information amount that the fingerprint of acquisition includes is less than presupposed information amount, abandons the finger of this acquisition
Line.While abandoning the fingerprint of acquisition, it is such as " as much as possible to be covered in finger that fingerprint can be carried out in fingerprint acquisition interface
On screen " etc. typing prompt.
Terminal matches the fingerprint feature information of acquisition with fingerprint template, and matched process can be：By acquisition
Fingerprint feature information is compared with the fingerprint feature information collection indicated by fingerprint template, when fingerprint feature information and fingerprint characteristic
When the similarity of information collection exceeds preset ratio, fingerprint feature information and fingerprint template successful match are determined, execute step 208；
When the similarity of fingerprint feature information and fingerprint feature information collection is without departing from preset ratio, fingerprint feature information and fingerprint are determined
Template matches fail, and execute step 209.
In step 207, when fingerprint feature information and fingerprint template successful match, terminal is unlocked.
In the present embodiment, the exhibition method of terminal interface includes following two after unlock terminal：First way, displaying
The interfaces terminal home；The second way shows the interface shown when screen locking.
In a step 208, when it fails to match for fingerprint feature information and fingerprint template, if detected in preset duration
Effective fingerprint pressing to touch screen, continues to execute step 205 and its subsequent step；If be not detected in preset duration pair
Effective fingerprint of touch screen presses, and control terminal enters waiting unlocked state.
Wherein, in the judgment method and step 201 of the pressing of effective fingerprint effectively the judgment method of fingerprint pressing similarly, herein
It does not repeat.
Wherein, preset duration is preset or is changed by terminal, and the present embodiment is not construed as limiting this.
In the present embodiment, if detecting effective fingerprint pressing in preset duration, it is determined that user's finger is not lifted
It rises namely user is still carrying out unlocked by fingerprint, at this point, the step of continuing to execute the fingerprint feature information for obtaining fingerprint pressing,
This fingerprint feature information, which obtains, can be considered a unlocked by fingerprint second of fingerprint feature information obtained in the process).It needs
Bright, during a unlocked by fingerprint, the fingerprint feature information repeatedly obtained can be used for unlocked by fingerprint by terminal,
It is to match the fingerprint feature information repeatedly obtained with fingerprint template, to improve the accuracy rate of fingerprint recognition.Wherein,
In the fingerprint feature information repeatedly obtained, adjacent time interval twice is no more than above-mentioned preset duration.
If effective fingerprint pressing is not detected in preset duration, it is determined that user's finger is lifted namely user does not have
Continue unlocked by fingerprint, terminal enters waiting unlocked state.When terminal, which enters, waits for unlocked state, touch screen is by bright screen shape
For state into death of monks or nuns screen state, touch screen, which is in, waits for finger pressing state, at this point, if a terminal detects that effective finger to touch screen
Line presses, and thens follow the steps 201.
The method that the embodiment of the present disclosure provides, terminal, which is in, to be waited under unlocked state, is being detected to the effective of touch screen
Terminal system is just waken up when fingerprint presses and pressing dynamics are more than predetermined threshold value, then obtains the fingerprint characteristic letter of fingerprint pressing
Breath unlocks terminal when the fingerprint feature information of acquisition and fingerprint template successful match, provides one kind and is known based on fingerprint in screen
Other rationally effective unlocked by fingerprint method, this method effectively prevent the tactile phenomenon of mistake that user is not intended to contact screen generation, protect
The validity and accuracy of unlocked by fingerprint are demonstrate,proved.
Fig. 4 is a kind of block diagram of finger print detection device shown according to an exemplary embodiment.With reference to Fig. 4, the device packet
Include dynamics detection module 401, wake-up module 402, screen display controlling module 403, fingerprint acquisition module 404 and unlocked state 405.
Wherein, dynamics detection module 401 is connect with wake-up module 402, is used for when terminal is in and waits for unlocked state, such as
Fruit detects that the fingerprint pressing of touch screen be that effective fingerprint presses, and whether the pressing dynamics for detecting fingerprint pressing reach default
Threshold value, the touch screen are in screen state of going out；Wake-up module 402 is connect with screen display controlling module 403, for when fingerprint pressing
When pressing dynamics reach the predetermined threshold value, the system that wakes up the terminal；Screen display controlling module 403 connects with fingerprint acquisition module 404
It connects, for the touch screen to be switched to bright screen state by the screen state of going out；Fingerprint acquisition module 404 is connect with unlocked state 405,
Fingerprint feature information for obtaining fingerprint pressing；Unlocked state 405, for when the fingerprint feature information and fingerprint template
When with success, the terminal is unlocked.
In one possible implementation, which further includes：
First determining module, the fingerprint identification region for determining the touch screen；
Second determining module, for when the position that the fingerprint presses is in the fingerprint identification region, determine the fingerprint by
Pressure is that effective fingerprint presses, and whether the pressing dynamics for executing detection fingerprint pressing reach predetermined threshold value and its subsequent step.
In one possible implementation, which further includes：
Interface acquisition module, for obtaining preset locking screen interface；
Display module, for showing the locking screen interface.
In one possible implementation, which further includes：
First finger print detecting module, if for detect within a preset time interval to effective fingerprint of the touch screen by
Pressure executes the touch screen being switched to bright screen state and its subsequent step by the screen state of going out；If in the prefixed time interval
Effective fingerprint pressing to the touch screen is inside not detected, controls the terminal and enters the waiting unlocked state.
In one possible implementation, which further includes：
Second finger print detecting module, for when it fails to match for the fingerprint feature information and fingerprint template, if default
Effective fingerprint pressing to the touch screen is detected in duration, executes the fingerprint feature information and its subsequent step for obtaining pressing；
If effective fingerprint pressing to the touch screen is not detected in the preset duration, controls the terminal and unlock shape into the waiting
State.
The device that the embodiment of the present disclosure provides is being detected when terminal, which is in, to be waited under unlocked state to touch screen
Terminal system is just waken up when effective fingerprint presses and pressing dynamics are more than predetermined threshold value, then obtains the fingerprint characteristic of fingerprint pressing
Information unlocks terminal when the fingerprint feature information of acquisition and fingerprint template successful match, provides a kind of based on fingerprint in screen
The reasonable effective unlocked by fingerprint method of identification, this method effectively prevent the tactile phenomenon of mistake that user is not intended to contact screen generation,
It ensure that the validity and accuracy of unlocked by fingerprint.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 5 is a kind of block diagram of unlocked by fingerprint device shown according to an exemplary embodiment.For example, device 500 can be with
It is mobile phone, computer, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building
Equipment, personal digital assistant etc..
With reference to Fig. 5, device 500 may include following one or more components：Processing component 502, memory 504, power supply
Component 506, multimedia component 508, audio component 510, input/output (I/O) interface 512, sensor module 514, Yi Jitong
Believe component 516.
The integrated operation of 502 usual control device 500 of processing component, such as with display, call, data communication, phase
Machine operates and record operates associated operation.Processing component 502 may include that one or more processors 520 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 502 may include one or more modules, just
Interaction between processing component 502 and other assemblies.For example, processing component 502 may include multi-media module, it is more to facilitate
Interaction between media component 508 and processing component 502.
Memory 504 is configured as storing various types of data to support the operation in device 500.These data are shown
Example includes instruction for any application program or method that operate on device 500, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 504 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 506 provides electric power for the various assemblies of device 500.Power supply module 506 may include power management system
System, one or more power supplys and other generated with for device 500, management and the associated component of distribution electric power.
Multimedia component 508 is included in the screen of one output interface of offer between described device 500 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 508 includes a front camera and/or rear camera.When device 500 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 510 is configured as output and/or input audio signal.For example, audio component 510 includes a Mike
Wind (MIC), when device 500 is in operation mode, when such as call model, logging mode and speech recognition mode, microphone by with
It is set to reception external audio signal.The received audio signal can be further stored in memory 504 or via communication set
Part 516 is sent.In some embodiments, audio component 510 further includes a loud speaker, is used for exports audio signal.
I/O interfaces 512 provide interface between processing component 502 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor module 514 includes one or more sensors, and the state for providing various aspects for device 500 is commented
Estimate.For example, sensor module 514 can detect the state that opens/closes of device 500, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 500, and sensor module 514 can be with 500 1 components of detection device 500 or device
Position change, the existence or non-existence that user contacts with device 500,500 orientation of device or acceleration/deceleration and device 500
Temperature change.Sensor module 514 may include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor module 514 can also include optical sensor, such as CMOS or ccd image sensor, at
As being used in application.In some embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 516 is configured to facilitate the communication of wired or wireless way between device 500 and other equipment.Device
500 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or combination thereof.In an exemplary implementation
In example, communication component 516 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 516 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 500 can be believed by one or more application application-specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing above-mentioned unlocked by fingerprint method.
In the exemplary embodiment, it includes the non-transitorycomputer readable storage medium instructed, example to additionally provide a kind of
Such as include the memory 504 of instruction, above-metioned instruction can be executed by the processor 520 of device 500 to complete the above method.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
In the exemplary embodiment, a kind of computer readable storage medium is additionally provided, finger is stored in the storage medium
It enables, when the instruction in the storage medium is executed by the processor of terminal so that terminal is able to carry out above-mentioned unlocked by fingerprint side
Method.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (11)
1. a kind of unlocked by fingerprint method, which is characterized in that the method includes：
When terminal, which is in, waits for unlocked state, if detecting that the fingerprint pressing of touch screen be that effective fingerprint presses, detection
Whether the pressing dynamics of the fingerprint pressing reach predetermined threshold value, and the touch screen is in screen state of going out；
When the pressing dynamics of fingerprint pressing reach the predetermined threshold value, the system that wakes up the terminal；
The touch screen is switched to bright screen state by the screen state of going out；
Obtain the fingerprint feature information of the fingerprint pressing；
When the fingerprint feature information and fingerprint template successful match, the terminal is unlocked.
2. according to the method described in claim 1, it is characterized in that, whether the pressing dynamics of the detection fingerprint pressing reach
To before predetermined threshold value, the method further includes：
Determine the fingerprint identification region of the touch screen；
When the position of fingerprint pressing is in the fingerprint identification region, determine fingerprint pressing be effective fingerprint by
Whether pressure, the pressing dynamics for executing the detection fingerprint pressing reach predetermined threshold value and its subsequent step.
3. according to the method described in claim 1, it is characterized in that, described be switched to the touch screen by the screen state of going out
After bright screen state, the method further includes：
Obtain preset locking screen interface；
Show the locking screen interface.
4. according to the method described in claim 1, it is characterized in that, after the system for waking up the terminal, the method
Further include：
If detecting effective fingerprint pressing to the touch screen within a preset time interval, execute the touch screen by institute
It states screen state of going out and is switched to bright screen state and its subsequent step；
If be not detected in the prefixed time interval to the pressing of effective fingerprint of the touch screen, control the terminal into
Enter the waiting unlocked state.
5. according to the method described in claim 1, it is characterized in that, the fingerprint feature information for obtaining fingerprint pressing it
Afterwards, the method further includes：
When it fails to match for the fingerprint feature information and fingerprint template, if detected in preset duration to the touch screen
Effective fingerprint pressing, execute obtain pressing fingerprint feature information and its subsequent step；
If effective fingerprint pressing to the touch screen is not detected in the preset duration, controls the terminal and enter institute
State waiting unlocked state.
6. a kind of unlocked by fingerprint device, which is characterized in that described device includes：
Dynamics detection module, for when terminal is in and waits for unlocked state, being to the fingerprint pressing of touch screen if detected
Whether effective fingerprint pressing, the pressing dynamics for detecting the fingerprint pressing reach predetermined threshold value, and the touch screen is in the screen shape that goes out
State；
Wake-up module, when the pressing dynamics for being pressed when the fingerprint reach the predetermined threshold value, wake up the terminal is
System；
Screen display controlling module, for the touch screen to be switched to bright screen state by the screen state of going out；
Fingerprint acquisition module, the fingerprint feature information for obtaining the fingerprint pressing；
Unlocked state, for when the fingerprint feature information is with fingerprint template successful match, unlocking the terminal.
7. device according to claim 6, which is characterized in that described device further includes：
First determining module, the fingerprint identification region for determining the touch screen；
Second determining module, for when the position that the fingerprint presses is in the fingerprint identification region, determining the fingerprint
Pressing is that effective fingerprint presses, and whether the pressing dynamics for executing detection fingerprint pressing reach predetermined threshold value and its follow-up
Step.
8. device according to claim 6, which is characterized in that described device further includes：
Interface acquisition module, for obtaining preset locking screen interface；
Display module, for showing the locking screen interface.
9. device according to claim 6, which is characterized in that described device further includes：
First finger print detecting module, if for detect within a preset time interval to effective fingerprint of the touch screen by
Pressure executes the touch screen being switched to bright screen state and its subsequent step by the screen state of going out；If when described default
Between be not detected to the pressing of effective fingerprint of the touch screen in interval, control the terminal and enter the waiting unlocked state.
10. device according to claim 6, which is characterized in that described device further includes：
Second finger print detecting module, for when it fails to match for the fingerprint feature information and fingerprint template, if when default
Effective fingerprint pressing to the touch screen is detected in length, executes the fingerprint feature information and its subsequent step for obtaining pressing；
If be not detected in the preset duration to the pressing of effective fingerprint of the touch screen, control the terminal enter it is described etc.
Wait for unlocked state.
11. a kind of unlocked by fingerprint device, which is characterized in that including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：When terminal, which is in, waits for unlocked state, if detecting the fingerprint to touch screen
Pressing is that effective fingerprint presses, and whether the pressing dynamics for detecting the fingerprint pressing reach predetermined threshold value, and the touch screen is in
It goes out screen state；When the pressing dynamics of fingerprint pressing reach the predetermined threshold value, the system that wakes up the terminal；It will be described
Touch screen is switched to bright screen state by the screen state of going out；Obtain the fingerprint feature information of the fingerprint pressing；When the fingerprint
When characteristic information is with fingerprint template successful match, the terminal is unlocked.
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| CN201810481333.9A CN108334769B (en) | 2018-05-18 | 2018-05-18 | Fingerprint unlocking method and device |
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|---|---|---|---|
| CN201810481333.9A CN108334769B (en) | 2018-05-18 | 2018-05-18 | Fingerprint unlocking method and device |
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| CN108334769A true CN108334769A (en) | 2018-07-27 |
| CN108334769B CN108334769B (en) | 2021-08-31 |
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| CN109344589A (en) * | 2018-09-12 | 2019-02-15 | 北京小米移动软件有限公司 | Unlocked by fingerprint method, apparatus and storage medium |
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| CN110928479A (en) * | 2019-11-26 | 2020-03-27 | 深圳传音控股股份有限公司 | Unlocking method and unlocking device of intelligent terminal and computer readable storage medium |
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| CN111309165A (en) * | 2020-03-23 | 2020-06-19 | 北京小米移动软件有限公司 | Touch screen control method and device, mobile terminal and storage medium |
| CN111552399A (en) * | 2020-04-03 | 2020-08-18 | 青岛海信移动通信技术股份有限公司 | Fingerprint unlocking control method and device and mobile terminal |
| CN111651082A (en) * | 2020-05-22 | 2020-09-11 | 北京小米移动软件有限公司 | Touch screen unlocking method and device, electronic equipment and storage medium |
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