CN105260105B - Display screen awakening method, device and mobile terminal based on fingerprint sensor - Google Patents
Display screen awakening method, device and mobile terminal based on fingerprint sensor Download PDFInfo
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- CN105260105B CN105260105B CN201510680020.2A CN201510680020A CN105260105B CN 105260105 B CN105260105 B CN 105260105B CN 201510680020 A CN201510680020 A CN 201510680020A CN 105260105 B CN105260105 B CN 105260105B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the invention discloses a kind of display screen awakening method, device and mobile terminal based on fingerprint sensor.This method includes:When mobile terminal display screen in a dormant state when, if monitoring, the fingerprint sensor configured in mobile terminal is pressed, pass through fingerprint sensor obtain pressing subject image;Judge whether pressing subject image is fingerprint image, determines whether to wake up the display screen according to judged result.The embodiment of the present invention is by using above-mentioned technical proposal, as user and non-active wake-up display screen, the body parts such as palm or other objects that can form electric capacity with fingerprint sensor may be pressed into fingerprint sensor, now, pressing subject image is obtained by fingerprint sensor, and judge whether pressing subject image is fingerprint image, determine whether to wake up display screen further according to judged result, effectively display screen can be prevented to be waken up because of false triggering, system power dissipation can be saved, so as to extend stand-by time, user experience is lifted.
Description
Technical field
Called out the present embodiments relate to technical field of mobile terminals, more particularly to a kind of display screen based on fingerprint sensor
Awake method, device and mobile terminal.
Background technology
At present, the display screen size of mobile terminal is increasing, and user can devote a tremendous amount of time to use daily
Mobile terminal, so the power problemses of mobile terminal turn into the most concerned problem of user.In addition, the information in order to protect user
Fingerprint sensor is generally integrated in safety, present mobile terminal, for the scene for needing fingerprint to authenticate, such as terminal blank screen is called out
The scenes such as awake or unblock, application program unblock and fingerprint payment.
The fingerprint sensor configured in mobile terminal is mostly capacitive fingerprint sensing device, and user is under to resting state
When mobile terminal (display screen is also at resting state) is unlocked, it usually needs make to press with finger fingerprint sensor, now
Skin on finger can form electric capacity with fingerprint sensor, and fingerprint sensor is able to detect that capacitance, so that it is determined that finger is pressed
It is pressed on fingerprint sensor, the display screen of mobile terminal can be waken up, while fingerprint sensor obtains fingerprint image, if the fingerprint
Image is matched with the fingerprint template stored in mobile terminal, then unlocks mobile terminal.However, when user is not intended to wake up mobile whole
During end, may due to the body parts such as palm or other can with fingerprint sensor formation electric capacity objects be pressed into fingerprint sensing
Device, the display screen of mobile terminal can be also waken up.For example, user uses palm grip mobile terminal, or mobile terminal to be placed to
Cloth than in relatively thin trouser pocket and when touching conductive body, all easy false triggering and cause display screen to be waken up.
After display screen is waken up, the unnecessary power consumption of mobile terminal can be increased, shorten stand-by time, so as to influence user to use.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of display screen awakening method, device and movement based on fingerprint sensor
Terminal, to solve in the existing display screen wake-up scheme based on fingerprint sensor, the object beyond finger is pressed into fingerprint
During sensor, display screen is waken up because of false triggering, the problem of causing mobile terminal power consumption increase.
In a first aspect, the embodiments of the invention provide a kind of display screen awakening method based on fingerprint sensor, including:
When mobile terminal display screen in a dormant state when, if monitoring the fingerprint sensing configured in the mobile terminal
Device is pressed, then obtains pressing subject image by the fingerprint sensor;
Judge whether the pressing subject image is fingerprint image, determines whether to wake up the display according to judged result
Screen.
Second aspect, the embodiments of the invention provide a kind of display screen Rouser based on fingerprint sensor, including:
Press subject image acquisition module, for when mobile terminal display screen in a dormant state when, if monitoring institute
State the fingerprint sensor configured in mobile terminal to be pressed, then pressing subject image is obtained by the fingerprint sensor;
Fingerprint image judge module, for judging whether the pressing subject image is fingerprint image;
Display screen wake module, for being determined whether to wake up the display according to the judged result of fingerprint image judge module
Screen.
The third aspect, the embodiments of the invention provide a kind of mobile terminal, including in the embodiment of the present invention based on fingerprint
The display screen Rouser of sensor.
The display screen based on fingerprint sensor provided in the embodiment of the present invention wakes up scheme, when the display screen of mobile terminal
When in a dormant state, if monitoring, the fingerprint sensor configured in mobile terminal is pressed, and is obtained by fingerprint sensor
Press subject image;Judge whether pressing subject image is fingerprint image, determined whether to wake up display screen according to judged result.It is logical
Cross and use above-mentioned technical proposal, as user and non-active wake-up display screen, the body part such as palm or other can be passed with fingerprint
The object of sensor formation electric capacity may be pressed into fingerprint sensor, now, and pressing subject image is obtained by fingerprint sensor,
And judge whether pressing subject image is fingerprint image, determine whether to wake up display screen further according to judged result, can effectively prevent
Display screen is waken up because of false triggering, can save system power dissipation, so as to extend stand-by time, lifts user experience.
Brief description of the drawings
Fig. 1 is a kind of flow signal for display screen awakening method based on fingerprint sensor that the embodiment of the present invention one is provided
Figure;
Fig. 2 is a kind of flow signal for display screen awakening method based on fingerprint sensor that the embodiment of the present invention two is provided
Figure;
Fig. 3 is a kind of structural frames for display screen Rouser based on fingerprint sensor that the embodiment of the present invention three is provided
Figure.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.It may be appreciated
It is that specific embodiment described herein is used only for explaining the present invention, rather than limitation of the invention.Further need exist for explanation
, for the ease of description, part related to the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The processing described as flow chart or method.Although each step is described as the processing of order, many of which by flow chart
Step can be implemented concurrently, concomitantly or simultaneously.In addition, the order of each step can be rearranged.When its operation
The processing can be terminated during completion, it is also possible to the additional step being not included in accompanying drawing.The processing can be with
Corresponding to method, function, code, subroutine, subprogram etc..
Embodiment one
Fig. 1 is a kind of flow signal for display screen awakening method based on fingerprint sensor that the embodiment of the present invention one is provided
Figure, this method can be performed by the display screen Rouser based on fingerprint sensor, and wherein the device can be by software and/or hardware
Realize, typically can it is integrated in the terminal.As shown in figure 1, this method includes:
Step 101, when mobile terminal display screen in a dormant state when, if monitoring the fingerprint configured in mobile terminal
Sensor is pressed, then obtains pressing subject image by fingerprint sensor.
It is exemplary, the mobile terminal in the present embodiment be concretely configured with the mobile phone of fingerprint sensor, intelligent watch,
The equipment such as tablet personal computer and notebook computer.Preferably smart mobile phone.
It is exemplary, it is generally the case that mobile terminal in a dormant state when, system and display screen are in dormancy shape
State, and fingerprint sensor is in running order, can monitor whether it is pressed in real time.
Common fingerprint sensor mainly includes optical fingerprint sensor and semiconductor fingerprint sensor, and the present embodiment is to referring to
The type of line sensor is not construed as limiting.Fingerprint is passed by taking the capacitive fingerprint sensing device in semiconductor fingerprint sensor as an example below
The working method of sensor is illustrated, when user makes to press with finger fingerprint sensor, skin and fingerprint on finger surface
Sensor can form electric capacity, because finger surface lines is rough and uneven in surface, at salient point and at concave point and fingerprint sensor it is actual away from
Just different from size, the capacitance of formation is also just different, and fingerprint image is obtained after handling the capacitance collected.
In existing mobile terminal, when fingerprint sensor detects capacitance, it is considered as finger and has pressed fingerprint sensor, will
Wake up display screen.But, when the body parts such as the palm of user or other can with fingerprint sensor formation electric capacity objects press
During to fingerprint sensor, fingerprint sensor can also detect capacitance, so having resulted in erroneous judgement, so as to wake up display screen, increase
Unnecessary system power dissipation is added.
Exemplary, when fingerprint sensor detects capacitance, it can be considered the fingerprint for monitoring to configure in mobile terminal
Sensor is pressed, then obtains pressing subject image by fingerprint sensor.The pressing subject image concretely presses thing
The image on the surface that body is contacted with fingerprint sensor.For example, when palm is pressed into fingerprint sensor, pressing subject image is palm
The surface image of the partial skin contacted with fingerprint sensor.
Step 102, judge whether pressing subject image is fingerprint image, determined whether to wake up described aobvious according to judged result
Display screen.
Judge to press whether subject image is that the mode of fingerprint image there can be many kinds, the present embodiment does not do specific limit
It is fixed, two ways is given below illustratively.
1st, judge whether the contrast for pressing subject image reaches preset standard, if, it is determined that pressing subject image is
Fingerprint image, if not, it is determined that pressing subject image is not fingerprint image.
Specifically, judging whether the contrast for pressing subject image reaches that the mode of preset standard can also have many kinds.
The image that common fingerprint sensor is got is gray-scale map, is enumerated several sentence exemplified by pressing subject image and being gray-scale map below
Disconnected mode.For example, the average value of the gray value of all pixels point in pressing subject image can be calculated, when average value is less than default put down
During average, it is determined that the contrast of pressing subject image is not up to preset standard, the default average value can refer to normal fingerprint
Image is determined;The variance yields of the gray value of all pixels point in pressing subject image can be also calculated, is preset when variance yields is less than
During variance yields, it is determined that the contrast of pressing subject image is not up to preset standard, because variance yields is smaller, illustrate different pixels point
Gray value between difference it is smaller, so the lines as fingerprint image will not be presented in the pressing subject image.Further
, in order to improve the accuracy of judgement, the average value of the gray value of all pixels point in pressing subject image can be also calculated simultaneously
And variance yields, when average value very little, variance very little illustrates image close in vain, contrast is not up to preset standard, the pressing thing entirely
Body image is not fingerprint image;When average value is very big, variance very little illustrates image close to completely black, contrast is not up to pre- bidding
Standard, the pressing subject image is not fingerprint image;When average value is very big, variance is very big, is included in the image for illustrating this when
Lines as fingerprint image, it is believed that contrast has reached preset standard, the pressing subject image is fingerprint image.
If the 2, the effective area of pressing subject image is in the range of preset area, it is determined that pressing subject image is fingerprint
Image, otherwise, it determines pressing subject image is not fingerprint image.
Exemplary, finger with fingerprint sensor when contacting, due to the special shape of finger, the fingerprint image collected
As in, the effective coverage comprising finger print information can be in certain area model close to ellipse or half elliptic, its area
In enclosing, the areal extent can be defined as to preset area scope;And palm or other easily cause the body form of false triggering
It is different, so when being contacted with fingerprint sensor, in the fingerprint image collected, including the effective of body surface texture information
The area (i.e. effective area) in region is not known, and is hardly formed close to ellipse or half elliptic.Can be by judging to press
Whether the effective area of subject image is in the range of preset area, to determine whether pressing subject image is fingerprint image.Enter
One step, in order to improve the degree of accuracy of judgement, can also further detect the corresponding effective coverage of effective area shape whether with
The effective coverage of fingerprint image is consistent.For example, the gray value summation of the pixel of each column in pressing subject image can be calculated, judge
Whether the variation tendencies of the corresponding gray value summation of all row meet preset standard (such as whether become big from small, then from diminish greatly),
If met, then it is fingerprint image to think the pressing subject image.
It should be noted that the accuracy in order to further improve judgement, prevents that palmprint image is determined as into fingerprint image by mistake
Above two determination methods, can be combined by picture, when simultaneously pressing subject image meets the decision condition of two kinds of determination methods
When, then it is assumed that pressing subject image is fingerprint image.If for example, the contrast of pressing subject image reaches preset standard, and pressing
When pressing the effective area of subject image in the range of preset area, it is determined that pressing subject image is fingerprint image.
Exemplary, when judging pressing subject image for fingerprint image, display screen can be waken up, that is, lights display screen.
The display screen awakening method based on fingerprint sensor that the embodiment of the present invention one is provided, when the display screen of mobile terminal
When in a dormant state, if monitoring, the fingerprint sensor configured in mobile terminal is pressed, and is obtained by fingerprint sensor
Press subject image;Judge whether pressing subject image is fingerprint image, determined whether to wake up display screen according to judged result.It is logical
Cross and use above-mentioned technical proposal, as user and non-active wake-up display screen, the body part such as palm or other can be passed with fingerprint
The object of sensor formation electric capacity may be pressed into fingerprint sensor, now, and pressing subject image is obtained by fingerprint sensor,
And judge whether pressing subject image is fingerprint image, determine whether to wake up display screen further according to judged result, can effectively prevent
Display screen is waken up because of false triggering, can save system power dissipation, so as to extend stand-by time, lifts user experience.
Embodiment two
Fig. 2 is a kind of flow signal for display screen awakening method based on fingerprint sensor that the embodiment of the present invention two is provided
Figure, the present embodiment " will determine whether to wake up display screen " to optimize based on above-described embodiment according to judged result:When sentencing
When disconnected result is that pressing subject image is not fingerprint image, display screen is kept in a dormant state;Determined when according to judged result
When pressing subject image for fingerprint image, fingerprint image is matched with preset fingerprint template, if the match is successful, wakes up aobvious
Display screen.
Specifically, the method for the present embodiment comprises the following steps:
Step 201, when mobile terminal display screen in a dormant state when, if monitoring the fingerprint configured in mobile terminal
Sensor is pressed, then obtains pressing subject image by fingerprint sensor.
It is exemplary, it is generally the case that mobile terminal in a dormant state when, system and display screen are in dormancy shape
State, and fingerprint sensor is in running order, can monitor whether it is pressed in real time.When monitoring that fingerprint sensor is pressed
When, interrupt signal can be produced, the system of mobile terminal is waken up, but does not wake up display screen.System is obtained by fingerprint sensor
Press subject image.
Step 202, judge press subject image contrast whether reach preset standard, if so, then perform step 203;
Otherwise, step 207 is performed.
Step 203, judge to press the effective area of subject image whether in the range of the preset area, if so, then performing
Step 204;Otherwise, step 207 is performed.
Step 204, determine that pressing subject image is fingerprint image, and fingerprint image and preset fingerprint template are carried out
Match somebody with somebody.
Step 205, judge matching whether succeed, if so, then perform step 206;Otherwise step 207 is performed.
Step 206, wake-up display screen.
Step 207, holding display screen are in a dormant state.
Exemplary, if it fails to match for fingerprint image, illustrate that active user does not possess the authority using the mobile terminal, can
While display screen is kept in a dormant state, the system of mobile terminal is set to turn again to resting state.
Exemplary, first fit failure can now keep display it is also possible that the fingerprint image obtained is inaccurate
While screen in a dormant state, vibration prompt is sent, reminds user to be continuing with finger pressing fingerprint sensor, and obtain again
Fetching print image is matched.
It is preferred that, matching times first threshold can be set, such as 3 times, when continuous 3 times it fails to match, display can be waken up
Screen, the reason for it fails to match using written form prompting user fingerprints, such as user's finger fault or finger surface are present
Dirt, asks user to be adjusted;Also auditory tone cues can be sent while display screen is kept in a dormant state.It can also set
Matching times Second Threshold is put, such as 5 times, when continuous 5 times it fails to match, display screen can be waken up, and show Password Input circle
Face, points out user to unlock mobile terminal by inputting password.Above-mentioned matching times first threshold and matching times Second Threshold
One of them can be only set, also can be configured, can specifically be set by system default, or carried out by user according to personal habits
Set.
The embodiment of the present invention two provide the display screen awakening method based on fingerprint sensor, when judge press object figure
As when being not fingerprint image, keeping display screen in a dormant state;When it is fingerprint image to judge pressing subject image, temporarily
Display screen is not waken up, but fingerprint image is matched with preset fingerprint template, if the match is successful, then display screen is waken up.
Carry out during fingerprint matching, keep display screen dormancy, can further save mobile terminal power consumption.
Embodiment three
Fig. 3 is a kind of structural frames for display screen Rouser based on fingerprint sensor that the embodiment of the present invention three is provided
Figure, the device can be realized by software and/or hardware, be typically integrated in mobile terminal, can be based on fingerprint sensor by performing
Display screen awakening method wake up mobile terminal.As shown in figure 3, the device includes:Pressing subject image acquisition module 301,
Fingerprint image judge module 302 and display screen wake module 303.
Wherein, pressing subject image acquisition module 301, for when mobile terminal display screen in a dormant state when, if
Monitor that the fingerprint sensor configured in the mobile terminal is pressed, then pressing object figure is obtained by the fingerprint sensor
Picture;Fingerprint image judge module 302, for judging whether the pressing subject image is fingerprint image;Display screen wake module
303, for being determined whether to wake up the display screen according to the judged result of fingerprint image judge module.
On the basis of above-described embodiment, the fingerprint image judge module may include contrast judging unit, for sentencing
Whether the contrast of the disconnected pressing subject image reaches preset standard, if, it is determined that the pressing subject image is fingerprint
Image, if not, it is determined that the pressing subject image is not fingerprint image.
On the basis of above-described embodiment, the contrast judging unit can be specifically for:Calculate the pressing object figure
The average value of the gray value of all pixels point as in, when the average value is less than default average value, determines the pressing object
The contrast of image is not up to preset standard;Or, calculate the side of the gray value of all pixels point in the pressing subject image
Difference, when the variance yields is less than default variance yields, determines the contrast not up to preset standard of the pressing subject image.
On the basis of above-described embodiment, the fingerprint image judge module includes effective area judging unit, if for
The effective area of the pressing subject image is in the range of preset area, it is determined that the pressing subject image is fingerprint image
Picture, otherwise, it determines the pressing subject image is not fingerprint image.
On the basis of above-described embodiment, the display screen wake module can be specifically for:When judged result is pressed to be described
When pressure subject image is not fingerprint image, the display screen is kept in a dormant state.
On the basis of above-described embodiment, the display screen wake module, including matching unit and wakeup unit.Wherein,
Matching unit, for when according to judged result determine it is described pressing subject image be fingerprint image when, by the fingerprint image with
Preset fingerprint template is matched;Wakeup unit, if for the match is successful, waking up the display screen.
Example IV
The present embodiment four provide a kind of mobile terminal, the mobile terminal include the embodiment of the present invention described in based on finger
The display screen Rouser of line sensor, can wake up display by performing the display screen awakening method based on fingerprint sensor
Screen.
It is exemplary, the mobile terminal in the present embodiment be concretely configured with the mobile phone of fingerprint sensor, intelligent watch,
The equipment such as tablet personal computer and notebook computer.Preferably smart mobile phone.
User during using the mobile terminal in the present embodiment, if imprudence make the body parts such as palm or other can
Fingerprint sensor is pressed into the object of fingerprint sensor formation electric capacity, the mobile terminal can be obtained by fingerprint sensor and pressed
Subject image, and judge whether pressing subject image is fingerprint image, determine whether to wake up display screen further according to judged result, can
Effectively prevent display screen to be waken up because of false triggering, system power dissipation can be saved, so as to extend stand-by time, lifting user uses body
Test.
The said goods can perform the method that any embodiment of the present invention is provided, and possess the corresponding functional module of execution method
And beneficial effect.Not ins and outs of detailed description in the present embodiment, reference can be made to the side that any embodiment of the present invention is provided
Method.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art it is various it is obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (3)
1. a kind of display screen awakening method based on fingerprint sensor, it is characterised in that including:
When mobile terminal display screen in a dormant state when, keep the fingerprint sensor configured in the mobile terminal to be in work
Make state, if monitoring that the fingerprint sensor is pressed by the fingerprint sensor, obtained by the fingerprint sensor
Take pressing subject image, wherein, when the fingerprint sensor detects capacitance, monitor the fingerprint sensor by by
Pressure;
Whether it is in the following way that fingerprint image judges to the pressing subject image, to prevent from sentencing palmprint image by mistake
It is set to fingerprint image;
The average value and variance yields of the gray value of all pixels point in the pressing subject image are calculated, if the average value is more than
Or be more than or equal to default variance yields equal to default average value and the variance yields, then judge the effective of the pressing subject image
Whether area is in the range of preset area, and it is not fingerprint image otherwise to determine the pressing subject image;
If the effective area is in the range of the preset area, the pixel of each column in the pressing subject image is calculated
Gray value summation, judge whether the variation tendencies of the corresponding gray value summation of all row meet from small and become big again from diminishing greatly;
If the variation tendency, which meets from small, becomes big again from diminishing greatly, it is determined that the pressing subject image is fingerprint image, no
It is not fingerprint image then to determine the pressing subject image;
When the pressing subject image is not fingerprint image, the display screen is kept in a dormant state;
When the pressing subject image is fingerprint image, the fingerprint image is matched with preset fingerprint template, if
With success, then the display screen is waken up;If it fails to match, while display screen is kept in a dormant state, vibration is sent
Prompting, is matched with reminding user to be continuing with finger pressing fingerprint sensor, and obtaining fingerprint image again, until matching
When the frequency of failure reaches first threshold, display screen is waken up, the reason for it fails to match using written form prompting user fingerprints, to put forward
Show that user is adjusted, the reason includes user's finger fault and finger surface has dirt.
2. a kind of display screen Rouser based on fingerprint sensor, it is characterised in that including:
Press subject image acquisition module, for when mobile terminal display screen in a dormant state when, keep it is described it is mobile eventually
The fingerprint sensor configured in end is in running order, if by the fingerprint sensor monitor the fingerprint sensor by by
Pressure, then obtain pressing subject image by the fingerprint sensor, wherein, when the fingerprint sensor detects capacitance,
Monitor that the fingerprint sensor is pressed;
Fingerprint image judge module, for whether being in the following way that fingerprint image is sentenced to the pressing subject image
It is fixed, to prevent that palmprint image is determined as into fingerprint image by mistake:Calculate the gray value of all pixels point in the pressing subject image
Average value and variance yields, if the average value is more than or equal to default average value and the variance yields is more than or equal to default side
Difference, then judge that the effective area of the pressing subject image whether in the range of preset area, otherwise determines the pressing
Subject image is not fingerprint image;If the effective area is in the range of the preset area, the pressing object is calculated
The gray value summation of the pixel of each column in image, judge the corresponding gray value summation of all row variation tendencies whether meet from
It is small to become big again from diminishing greatly;If the variation tendency, which meets from small, becomes big again from diminishing greatly, it is determined that the pressing subject image
For fingerprint image, it is not fingerprint image otherwise to determine the pressing subject image;
Display screen wake module, is used for:
When the pressing subject image is not fingerprint image, the display screen is kept in a dormant state;
When the pressing subject image is fingerprint image, the fingerprint image is matched with preset fingerprint template, if
With success, then the display screen is waken up;If it fails to match, while display screen is kept in a dormant state, vibration is sent
Prompting, is matched with reminding user to be continuing with finger pressing fingerprint sensor, and obtaining fingerprint image again, until matching
When the frequency of failure reaches first threshold, display screen is waken up, the reason for it fails to match using written form prompting user fingerprints, to put forward
Show that user is adjusted, the reason includes user's finger fault and finger surface has dirt.
3. a kind of mobile terminal, it is characterised in that wake up dress including the display screen based on fingerprint sensor described in claim 2
Put.
Priority Applications (3)
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CN201510680020.2A CN105260105B (en) | 2015-10-19 | 2015-10-19 | Display screen awakening method, device and mobile terminal based on fingerprint sensor |
CN201710807352.1A CN107592419B (en) | 2015-10-19 | 2015-10-19 | Display screen awakening method, device and mobile terminal based on fingerprint sensor |
PCT/CN2016/093738 WO2017067280A1 (en) | 2015-10-19 | 2016-08-05 | Fingerprint sensor-based display screen wake-up method, apparatus, and mobile terminal |
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CN201510680020.2A CN105260105B (en) | 2015-10-19 | 2015-10-19 | Display screen awakening method, device and mobile terminal based on fingerprint sensor |
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