CN109426711A - False-touch prevention operating method, device and electronic equipment - Google Patents
False-touch prevention operating method, device and electronic equipment Download PDFInfo
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- CN109426711A CN109426711A CN201710744024.1A CN201710744024A CN109426711A CN 109426711 A CN109426711 A CN 109426711A CN 201710744024 A CN201710744024 A CN 201710744024A CN 109426711 A CN109426711 A CN 109426711A
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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
- 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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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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
- G06V40/13—Sensors therefor
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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
- G06V40/1347—Preprocessing; Feature extraction
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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
- G06V40/1365—Matching; Classification
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Abstract
The disclosure is directed to a kind of false-touch prevention operating method, device and electronic equipments, this method comprises: acquiring the fingerprint image of user if detecting fingerprint signal；Determine the first picture quality of pre-stored reference picture；Image quality threshold is determined according to the first image quality；Determine the second picture quality of the fingerprint image；Second picture quality is compared with described image quality threshold；If second picture quality is less than described image quality threshold, controlling terminal equipment carries out false-touch prevention operation.Whether the disclosure may be implemented according to the Quality estimation of reference picture to be accidentally to touch, and reduces the poor user of fingerprint quality and is judged as the probability accidentally touched in fingerprint recognition, and then improve the accuracy of subsequent fingerprint identification, meets the intelligent demand of terminal device.
Description
Technical field
This disclosure relates to fingerprint identification technology field more particularly to a kind of false-touch prevention operating method, device and electronic equipment.
Background technique
Unlocked by fingerprint technology is biometrics identification technology most mature at present, is widely used in mobile phone, tablet computer, pen
Remember on the electronic equipments such as this computer.In the related technology, it is determine whether by fingerprint image quality and is accidentally touched.For fingerprint quality
For the user of poor (such as finger has cocoon, decortication or fingerprint unobvious), in fingerprint recognition, it is easy to be judged as accidentally to touch,
And then influence the accuracy of fingerprint recognition.
Summary of the invention
To overcome the problems in correlation technique, the embodiment of the present disclosure provide a kind of false-touch prevention operating method, device and
Electronic equipment, to solve deficiency in the related technology.
According to the first aspect of the embodiments of the present disclosure, a kind of false-touch prevention operating method is provided, comprising:
If detecting fingerprint signal, the fingerprint image of user is acquired；
Determine the first picture quality of pre-stored reference picture；
Image quality threshold is determined according to the first image quality；
Determine the second picture quality of the fingerprint image；
Second picture quality is compared with described image quality threshold；
If second picture quality is less than described image quality threshold, controlling terminal equipment carries out false-touch prevention operation.
In one embodiment, the method also includes:
If second picture quality is greater than or equal to described image quality threshold, institute is unlocked based on the fingerprint image
State terminal device.
It is in one embodiment, described that the terminal device is unlocked based on the fingerprint image, comprising:
Extract the first fingerprint characteristic in the fingerprint image；
First fingerprint characteristic is matched with the second fingerprint characteristic of the reference picture；
If the similarity between first fingerprint characteristic and second fingerprint characteristic is greater than or equal to similarity threshold,
Then unlock the terminal device.
In one embodiment, the method also includes:
If the similarity between first fingerprint characteristic and second fingerprint characteristic is less than the similarity threshold,
It controls the terminal device and carries out false-touch prevention operation.
In one embodiment, the unlock terminal device, comprising:
Determine the terminal device whether in a dormant state；
If it is determined that the terminal device is in a dormant state, then the power-supply management system of the terminal device is waken up；
The backlight module of the terminal device is opened by the power-supply management system of wake-up, and the terminal is set
Standby screen unlocks.
According to the second aspect of an embodiment of the present disclosure, a kind of false-touch prevention operating device is provided, comprising:
Fingerprint image acquisition module, for when detecting fingerprint signal, acquiring the fingerprint image of user；
First quality determination module, for determining the first picture quality of pre-stored reference picture；
Quality threshold determining module, for determining image quality threshold according to the first image quality；
Second quality determination module, for determining the second picture quality of the fingerprint image；
Picture quality comparison module, for second picture quality to be compared with described image quality threshold；
Terminal false-touch prevention module is used for when second picture quality is less than described image quality threshold, controlling terminal
Equipment carries out false-touch prevention operation.
In one embodiment, described device further include:
Unlocking terminal equipment module is used for when second picture quality is greater than or equal to described image quality threshold,
The terminal device is unlocked based on the fingerprint image.
In one embodiment, the unlocking terminal equipment module includes:
Feature extraction unit, for extracting the first fingerprint characteristic in the fingerprint image；
A characteristic matching unit, for carrying out the second fingerprint characteristic of first fingerprint characteristic and the reference picture
Match；
Terminal unlocking unit, for being greater than when the similarity between first fingerprint characteristic and second fingerprint characteristic
Or when being equal to similarity threshold, unlock the terminal device.
In one embodiment, the unlocking terminal equipment module further include:
False-touch prevention unit, for being less than institute when the similarity between first fingerprint characteristic and second fingerprint characteristic
When stating similarity threshold, controls the terminal device and carry out false-touch prevention operation.
In one embodiment, the terminal unlocking unit is also used to:
Determine the terminal device whether in a dormant state；
If it is determined that the terminal device is in a dormant state, then the power-supply management system of the terminal device is waken up；
The backlight module of the terminal device is opened by the power-supply management system of wake-up, and the terminal is set
Standby screen unlocks.
According to the third aspect of an embodiment of the present disclosure, a kind of electronic equipment is provided, the electronic equipment includes:
Processor；
It is configured as the memory of storage processor executable instruction；
Wherein, the processor is configured to:
If detecting fingerprint signal, the fingerprint image of user is acquired；
Determine the first picture quality of pre-stored reference picture；
Image quality threshold is determined according to the first image quality；
Determine the second picture quality of the fingerprint image；
Second picture quality is compared with described image quality threshold；
If second picture quality is less than described image quality threshold, controlling terminal equipment carries out false-touch prevention operation.
According to a fourth aspect of embodiments of the present disclosure, a kind of computer readable storage medium is provided, calculating is stored thereon with
Machine program, realization when which is processed by the processor:
If detecting fingerprint signal, the fingerprint image of user is acquired；
Determine the first picture quality of pre-stored reference picture；
Image quality threshold is determined according to the first image quality；
Determine the second picture quality of the fingerprint image；
Second picture quality is compared with described image quality threshold；
If second picture quality is less than described image quality threshold, controlling terminal equipment carries out false-touch prevention operation.
The technical scheme provided by this disclosed embodiment can include the following benefits:
As can be seen from the above embodiments, the disclosure by when detecting fingerprint signal acquire user fingerprint image, and really
Surely the first picture quality of pre-stored reference picture, determines image quality threshold according to the first picture quality, determines fingerprint image
Second picture quality of picture, and the second picture quality is compared with image quality threshold, and then when determining second image matter
When amount is less than image quality threshold, controlling terminal equipment carries out false-touch prevention operation, may be implemented to be sentenced according to the quality of reference picture
Whether disconnected is accidentally to touch, and reduces the poor user of fingerprint quality and is judged as the probability accidentally touched in fingerprint recognition, and then after raising
The accuracy of continuous fingerprint recognition, meets the intelligent demand of terminal device.It should be understood that above general description and hereinafter
Datail description be only it is exemplary and explanatory, do not limit the disclosure.
Detailed description of the invention
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.
Figure 1A is a kind of flow chart of false-touch prevention operating method shown according to an exemplary embodiment；
Figure 1B is the application scenario diagram of unlocked by fingerprint process shown according to an exemplary embodiment；
Fig. 2 is the flow chart of another false-touch prevention operating method shown according to an exemplary embodiment；
Fig. 3 is the flow chart shown according to an exemplary embodiment that terminal device how is unlocked based on fingerprint image；
Fig. 4 A is the flow chart shown according to an exemplary embodiment for how unlocking terminal device；
Fig. 4 B is the application scenario diagram that unlocked by fingerprint shown according to an exemplary embodiment is completed；
Fig. 5 is a kind of block diagram of false-touch prevention operating device shown according to an exemplary embodiment；
Fig. 6 is the block diagram of another false-touch prevention operating device shown according to an exemplary embodiment；
Fig. 7 is the block diagram of a kind of electronic equipment shown according to an exemplary embodiment.
Specific embodiment
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.
Figure 1A is a kind of flow chart of false-touch prevention operating method shown according to an exemplary embodiment；Figure 1B is according to one
The application scenario diagram of unlocked by fingerprint process shown in exemplary embodiment；The embodiment can be used for having unlocked by fingerprint function
Various terminals (such as mobile phone, tablet computer, personal computer etc.), as shown in Figure 1A, this approach includes the following steps S101-
S104:
S101: if detecting fingerprint signal, the fingerprint image of user is acquired.
As shown in Figure 1B, in one embodiment, when terminal device is in screen lock state, user is made by touch switch key
The bright screen of terminal device is obtained, and shows unlock interface (interface that prompt user inputs fingerprint or password), when user's finger and terminal
When the fingerprint sensor contact of equipment, fingerprint sensor can detecte fingerprint signal, and (fingerprint signal can be current signal
Or voltage signal), and then execute the operation of the fingerprint image of acquisition user.
S102: the first picture quality of pre-stored reference picture is determined.
In one embodiment, can one or more of indexs such as clarity, signal-to-noise ratio based on reference picture come really
Determine the first picture quality of reference picture.For example, when the first image matter only with clarity as determining reference picture
When the index of amount, which can be indicated by reference to the clarity of image；Alternatively, when being compared to only with noise
For determine reference picture the first picture quality index when, first picture quality can by reference to the signal-to-noise ratio of image come
It indicates；When determining the first picture quality of reference picture using multiple indexs, which can be by multiple
It the weight of the numerical value of index and indicates, the present embodiment is to this without limiting.
S103: image quality threshold is determined according to the first image quality.
In one embodiment, image matter can be determined according to the first picture quality of the determining reference picture of above-mentioned steps
Measure threshold value.
In one embodiment, if the user of (such as finger has cocoon, decortication or fingerprint unobvious) poor for fingerprint quality
For, the first picture quality of reference picture is poor, then can determine a lesser image quality threshold；Conversely, if right
In fingerprint quality preferably (such as finger without cocoon, without decortication and fingerprint it is obvious) user for, the first image of reference picture
Quality is preferable, then can determine a biggish image quality threshold.
S104: the second picture quality of the fingerprint image is determined.
It in one embodiment, equally can one or more of indexs such as clarity, signal-to-noise ratio based on fingerprint image
The second picture quality of fingerprint image is evaluated, the determination method of the second picture quality may refer to above-mentioned first picture quality
Determine method.
S105: second picture quality is compared with described image quality threshold.
In one embodiment, according to clarity and signal-to-noise ratio two indices come when determining the second picture quality, Ke Yifen
Not Jian Ce fingerprint image clarity and signal-to-noise ratio；And then the clarity of fingerprint image that will test and clarity threshold into
Row compares, and to obtain clarity comparison result, and the signal-to-noise ratio for the fingerprint image that will test is compared with snr threshold
Compared with obtaining signal-to-noise ratio comparison result；On this basis, it can be obtained most according to clarity comparison result and signal-to-noise ratio comparison result
Whole comparison result.Such as, however, it is determined that clarity comparison result are as follows: the clarity of fingerprint image is greater than or equal to clarity threshold
Value, and determine signal-to-noise ratio comparison result are as follows: when the signal-to-noise ratio of fingerprint image is greater than or equal to snr threshold, it is determined that final
Comparison result are as follows: the second picture quality is greater than or equal to image quality threshold；Otherwise, it determines final comparison result are as follows: second
Picture quality is less than image quality threshold.
S106: if second picture quality is less than described image quality threshold, controlling terminal equipment carries out false-touch prevention
Operation.
In one embodiment, if determining that second picture quality is less than described image quality threshold based on above-mentioned steps,
Then judge that currently accidentally to touch, controlling terminal equipment carries out false-touch prevention operation, i.e., is not unlocked the terminal device.
Seen from the above description, S101 to step S106 is detecting fingerprint signal to the embodiment of the present disclosure through the above steps
When acquire the fingerprint image of user, and determine the first picture quality of pre-stored reference picture, it is true according to the first picture quality
Determine image quality threshold, determines the second picture quality of fingerprint image, and the second picture quality and image quality threshold are carried out
Compare, and then when determining that the second picture quality is less than image quality threshold, controlling terminal equipment carries out false-touch prevention operation, it can be with
It realizes according to the Quality estimation of reference picture whether be accidentally to touch, reduces the poor user of fingerprint quality and be determined in fingerprint recognition
To miss the probability touched, and then the accuracy of subsequent fingerprint identification is improved, meets the intelligent demand of terminal device.
Fig. 2 is the flow chart of another false-touch prevention operating method shown according to an exemplary embodiment；As shown in Fig. 2,
The method comprising the steps of S201-S207:
S201: if detecting fingerprint signal, the fingerprint image of user is acquired；
S202: the first picture quality of pre-stored reference picture is determined；
S203: image quality threshold is determined according to the first image quality；
S204: the second picture quality of the fingerprint image is determined；
S205: second picture quality is compared with described image quality threshold；
S206: if second picture quality is less than described image quality threshold, controlling terminal equipment carries out false-touch prevention
Operation；
Wherein, step S201-S206 is identical as the step S101-S106 in above-described embodiment, and relevant explanation explanation can be with
Referring to above-described embodiment, herein without repeating.
S207: if second picture quality is greater than or equal to described image quality threshold, it is based on the fingerprint image
Unlock the terminal device.
In one embodiment, if the second picture quality of the determination is greater than or equal to described image quality threshold, judge
It is currently not and accidentally touches, continue the subsequent fingerprint image based on acquisition and unlock the terminal device operation.
The present embodiment is determined by determining the first picture quality of pre-stored reference picture according to the first picture quality
Image quality threshold, and then when the second picture quality for determining fingerprint image is greater than or equal to described image quality threshold, base
The terminal device is unlocked in the fingerprint image, may be implemented according to the Quality estimation of reference picture whether to be accidentally to touch, is improved
The accuracy of subsequent fingerprint identification, meets the intelligent demand of terminal device.
Fig. 3 is the flow chart shown according to an exemplary embodiment that terminal device how is unlocked based on fingerprint image；This
Embodiment on the basis of the above embodiments, illustrates for how based on fingerprint image unlock terminal device.
As shown in figure 3, above-mentioned unlock terminal device based on the fingerprint image, may include step S301-S303:
S301: the first fingerprint characteristic in the fingerprint image is extracted；
In one embodiment, the fingerprint image can be cut by fingerprint algorithm, image enhancement, refine, go
It makes an uproar, the processing such as binaryzation, biological characteristic with uniqueness is extracted from fingerprint image, such as the starting point of streakline, terminal, combination
Point and bifurcation etc..
S302: first fingerprint characteristic is matched with the second fingerprint characteristic of the reference picture；
It in one embodiment, can be by the first fingerprints such as starting point, terminal, binding site and the bifurcations of above-mentioned streakline of extraction
Feature is matched with the second fingerprint characteristic (same includes starting point, terminal, binding site and the bifurcation of streakline) of reference picture.
S303: if the similarity between first fingerprint characteristic and second fingerprint characteristic is greater than or equal to similarity
Threshold value then unlocks the terminal device.
In one embodiment, the first fingerprint characteristic and the second fingerprint characteristic are subjected to similarity-rough set, it is similar when the two
When degree is greater than similarity threshold, determines that user fingerprints authentication passes through, then unlock the terminal device.
S304: if the similarity between first fingerprint characteristic and second fingerprint characteristic is less than similarity threshold,
It then controls the terminal device and carries out false-touch prevention operation.
In one embodiment, when the similarity of the first fingerprint characteristic and the second fingerprint characteristic is less than similarity threshold, sentence
Determine user fingerprints authentication failure, then control the terminal device and carry out false-touch prevention operation, i.e., not to the terminal device into
Row unlock.
The present embodiment is by the first fingerprint characteristic in the image that takes the fingerprint, and by the first fingerprint characteristic and reference picture
Second fingerprint characteristic is matched, and then when the similarity between the first fingerprint characteristic and the second fingerprint characteristic is greater than or equal to phase
When like degree threshold value, the terminal device is unlocked；When the similarity between the first fingerprint characteristic and the second fingerprint characteristic is less than similar
It when spending threshold value, controls the terminal device and carries out false-touch prevention operation, the accuracy rate of fingerprint matching can be improved, and then improve terminal
The accuracy rate of the unlocked by fingerprint of equipment.
Fig. 4 A is the flow chart shown according to an exemplary embodiment for how unlocking terminal device；In above-described embodiment
On the basis of, the present embodiment on the basis of the above embodiments, is illustrated for how unlocking terminal device.Such as figure
Shown in 4A, terminal device is unlocked described in the various embodiments described above, may include step S401-S403:
S401: determine the terminal device whether in a dormant state；
In one embodiment, terminal is in the lock state in a dormant state, is referred in terminal device except touch screen
It is all to be partially in that dormant state, especially CPU are in idle condition, display module is in non-display state other than controller
(showing without picture or video, backlight module is closed), the power loss of terminal device is minimum at this time, power-supply system output
Electric current be in minimum state.
S402: if it is determined that the terminal device is in a dormant state, then the power-supply management system of the terminal device is waken up；
In one embodiment, power-supply management system may include power management integrated circuit (PMIC, Power
Management IC), with for the power-supply device in management terminal device.
In one embodiment, when determining terminal device in a dormant state, then the power management system of terminal device is waken up
System.
S403: the backlight module of the terminal device is opened by the power-supply management system of wake-up, and to described
The screen of terminal device unlocks.
In one embodiment, when waking up power-supply management system, then pass through power-supply management system for the backlight of terminal device
Mould group is opened, and is unlocked to the screen of the terminal device.Fig. 4 B is fingerprint solution shown according to an exemplary embodiment
Lock the application scenario diagram completed；As shown in Figure 4 B, after completing unlocking terminal equipment based on fingerprint image, it is whole touch screen can be entered
Interface is held, such as shows the icon of each application program.
The present embodiment passes through the power-supply management system for waking up terminal device, and then the power-supply management system by waking up will be whole
The backlight module of end equipment is opened, and is unlocked to the screen of the terminal device, may be implemented to the quick of terminal device
Unlock promotes user experience.
Fig. 5 is a kind of block diagram of false-touch prevention operating device shown according to an exemplary embodiment；As shown in figure 5, the dress
Set includes: that fingerprint image acquisition module 110, the first quality determination module 120, quality threshold determining module 130, the second mass are true
Cover half block 140, picture quality comparison module 150 and terminal false-touch prevention module 160, in which:
Fingerprint image acquisition module 110, for when detecting fingerprint signal, acquiring the fingerprint image of user；
First quality determination module 120, for determining the first picture quality of pre-stored reference picture；
Quality threshold determining module 130, for determining image quality threshold according to the first image quality；
Second quality determination module 140, for determining the second picture quality of the fingerprint image；
Picture quality comparison module 150, for second picture quality to be compared with described image quality threshold；
Terminal false-touch prevention module 160, for when second picture quality is less than described image quality threshold, control to be eventually
End equipment carries out false-touch prevention operation.
Seen from the above description, the embodiment of the present disclosure by when detecting fingerprint signal acquire user fingerprint image,
And determine the first picture quality of pre-stored reference picture, image quality threshold is determined according to the first picture quality, determination refers to
Second picture quality of print image, and the second picture quality is compared with image quality threshold, and then when determining second figure
When image quality amount is less than image quality threshold, controlling terminal equipment carries out false-touch prevention operation, and the matter according to reference picture may be implemented
Amount, which judges whether it is, accidentally to be touched, and is reduced the poor user of fingerprint quality and is judged as the probability accidentally touched, Jin Erti in fingerprint recognition
The accuracy of high subsequent fingerprint identification, meets the intelligent demand of terminal device.
Fig. 6 is the block diagram of another false-touch prevention operating device shown according to an exemplary embodiment；Wherein, fingerprint image
Acquisition module 210, the first quality determination module 220, quality threshold determining module 230, the second quality determination module 240, image
Quality comparison module 250 and terminal false-touch prevention module 270 respectively with the fingerprint image acquisition module in embodiment illustrated in fig. 5
110, the first quality determination module 120, quality threshold determining module 130, the second quality determination module 140, picture quality compare
Module 150 and terminal false-touch prevention module 160 are identical, and relevant explanation explanation may refer to above-described embodiment, herein without superfluous
It states.As shown in fig. 6, the device can also include:
Unlocking terminal equipment module 260, for being greater than or equal to described image quality threshold when second picture quality
When, the terminal device is unlocked based on the fingerprint image.
In one embodiment, unlocking terminal equipment module 260 may include:
Feature extraction unit 261, for extracting the first fingerprint characteristic in the fingerprint image；
Characteristic matching unit 262, for by the second fingerprint characteristic of first fingerprint characteristic and the reference picture into
Row matching；
Terminal unlocking unit 263, for when the similarity between first fingerprint characteristic and second fingerprint characteristic
When more than or equal to similarity threshold, the terminal device is unlocked.
In one embodiment, unlocking terminal equipment module 260 can also include:
False-touch prevention unit 264 is small for working as the similarity between first fingerprint characteristic and second fingerprint characteristic
When the similarity threshold, controls the terminal device and carry out false-touch prevention operation.
In one embodiment, terminal unlocking unit 263 can be also used for:
Determine the terminal device whether in a dormant state；
If it is determined that the terminal device is in a dormant state, then the power-supply management system of the terminal device is waken up；
The backlight module of the terminal device is opened by the power-supply management system of wake-up, and the terminal is set
Standby screen unlocks.
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, no detailed explanation will be given here.
Fig. 7 is the block diagram of a kind of electronic equipment shown according to an exemplary embodiment.For example, device 700 can be shifting
Mobile phone, computer, digital broadcasting terminal, messaging device, game console, tablet device, Medical Devices, body-building are set
It is standby, personal digital assistant etc..
Referring to Fig. 7, device 700 may include following one or more components: processing component 702, memory 704, power supply
Component 706, multimedia component 708, audio component 710, the interface 712 of input/output (I/O), sensor module 714, and
Communication component 716.
The integrated operation of the usual control device 700 of processing component 702, such as with display, telephone call, data communication, phase
Machine operation and record operate associated operation.Processing element 702 may include that one or more processors 620 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 702 may include one or more modules, just
Interaction between processing component 702 and other assemblies.For example, processing component 702 may include multi-media module, it is more to facilitate
Interaction between media component 708 and processing component 702.
Memory 704 is configured as storing various types of data to support the operation in device 700.These data are shown
Example includes the instruction of any application or method for operating on device 700, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 704 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static random access memory (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.
Electric power assembly 706 provides electric power for the various assemblies of device 700.Electric power assembly 706 may include power management system
System, one or more power supplys and other with for device 700 generate, manage, and distribute the associated component of electric power.
Multimedia component 708 includes the screen of one output interface of offer between described device 700 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 708 includes a front camera and/or rear camera.When device 700 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 710 is configured as output and/or input audio signal.For example, audio component 710 includes a Mike
Wind (MIC), when device 700 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone is matched
It is set to reception external audio signal.The received audio signal can be further stored in memory 704 or via communication set
Part 716 is sent.In some embodiments, audio component 710 further includes a loudspeaker, is used for output audio signal.
I/O interface 712 provides interface between processing component 702 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and lock
Determine button.
Sensor module 714 includes one or more sensors, and the state for providing various aspects for device 700 is commented
Estimate.For example, sensor module 714 can detecte the state that opens/closes of device 700, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 700, and sensor module 714 can be with 700 1 components of detection device 700 or device
Position change, the existence or non-existence that user contacts with device 700,700 orientation of device or acceleration/deceleration and device 700
Temperature change.Sensor module 714 may include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor module 714 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 716 is configured to facilitate the communication of wired or wireless way between device 700 and other equipment.Device
700 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.In an exemplary implementation
In example, communication component 716 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 716 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 700 can be believed by one or more 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 false-touch prevention operating method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
It such as include the memory 704 of instruction, above-metioned instruction can be executed by the processor 620 of device 700 and be operated with completing above-mentioned false-touch prevention
Method.For example, the non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM,
Tape, floppy disk and optical data storage devices etc..
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
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 including 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 (12)
1. a kind of false-touch prevention operating method characterized by comprising
If detecting fingerprint signal, the fingerprint image of user is acquired；
Determine the first picture quality of pre-stored reference picture；
Image quality threshold is determined according to the first image quality；
Determine the second picture quality of the fingerprint image；
Second picture quality is compared with described image quality threshold；
If second picture quality is less than described image quality threshold, controlling terminal equipment carries out false-touch prevention operation.
2. the method according to claim 1, wherein the method also includes:
If second picture quality is greater than or equal to described image quality threshold, the end is unlocked based on the fingerprint image
End equipment.
3. according to the method described in claim 2, it is characterized in that, described set based on the fingerprint image unlock terminal
It is standby, comprising:
Extract the first fingerprint characteristic in the fingerprint image；
First fingerprint characteristic is matched with the second fingerprint characteristic of the reference picture；
If the similarity between first fingerprint characteristic and second fingerprint characteristic is greater than or equal to similarity threshold, solve
Lock the terminal device.
4. according to the method described in claim 3, it is characterized in that, the method also includes:
If the similarity between first fingerprint characteristic and second fingerprint characteristic is less than the similarity threshold, control
The terminal device carries out false-touch prevention operation.
5. according to the method described in claim 3, it is characterized in that, the unlock terminal device, comprising:
Determine the terminal device whether in a dormant state；
If it is determined that the terminal device is in a dormant state, then the power-supply management system of the terminal device is waken up；
The backlight module of the terminal device is opened by the power-supply management system of wake-up, and to the terminal device
Screen unlocks.
6. a kind of false-touch prevention operating device characterized by comprising
Fingerprint image acquisition module, for when detecting fingerprint signal, acquiring the fingerprint image of user；
First quality determination module, for determining the first picture quality of pre-stored reference picture；
Quality threshold determining module, for determining image quality threshold according to the first image quality；
Second quality determination module, for determining the second picture quality of the fingerprint image；
Picture quality comparison module, for second picture quality to be compared with described image quality threshold；
Terminal false-touch prevention module is used for when second picture quality is less than described image quality threshold, controlling terminal equipment
Carry out false-touch prevention operation.
7. device according to claim 6, which is characterized in that described device further include:
Unlocking terminal equipment module, for being based on when second picture quality is greater than or equal to described image quality threshold
The fingerprint image unlocks the terminal device.
8. device according to claim 7, which is characterized in that the unlocking terminal equipment module includes:
Feature extraction unit, for extracting the first fingerprint characteristic in the fingerprint image；
Characteristic matching unit, for matching first fingerprint characteristic with the second fingerprint characteristic of the reference picture；
Terminal unlocking unit, for when the similarity between first fingerprint characteristic and second fingerprint characteristic is greater than or waits
When similarity threshold, the terminal device is unlocked.
9. device according to claim 8, which is characterized in that the unlocking terminal equipment module further include:
False-touch prevention unit, for being less than the phase when the similarity between first fingerprint characteristic and second fingerprint characteristic
When like degree threshold value, controls the terminal device and carry out false-touch prevention operation.
10. device according to claim 8, which is characterized in that the terminal unlocking unit is also used to:
Determine the terminal device whether in a dormant state；
If it is determined that the terminal device is in a dormant state, then the power-supply management system of the terminal device is waken up；
The backlight module of the terminal device is opened by the power-supply management system of wake-up, and to the terminal device
Screen unlocks.
11. a kind of electronic equipment, which is characterized in that the electronic equipment includes:
Processor；
It is configured as the memory of storage processor executable instruction；
Wherein, the processor is configured to:
If detecting fingerprint signal, the fingerprint image of user is acquired；
Determine the first picture quality of pre-stored reference picture；
Image quality threshold is determined according to the first image quality；
Determine the second picture quality of the fingerprint image；
Second picture quality is compared with described image quality threshold；
If second picture quality is less than described image quality threshold, controlling terminal equipment carries out false-touch prevention operation.
12. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
It is realized when processing:
If detecting fingerprint signal, the fingerprint image of user is acquired；
Determine the first picture quality of pre-stored reference picture；
Image quality threshold is determined according to the first image quality；
Determine the second picture quality of the fingerprint image；
Second picture quality is compared with described image quality threshold；
If second picture quality is less than described image quality threshold, controlling terminal equipment carries out false-touch prevention operation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710744024.1A CN109426711A (en) | 2017-08-25 | 2017-08-25 | False-touch prevention operating method, device and electronic equipment |
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| CN201710744024.1A CN109426711A (en) | 2017-08-25 | 2017-08-25 | False-touch prevention operating method, device and electronic equipment |
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Application publication date: 20190305 |