CN106066951B - A kind of unlocking screen method, image-pickup method and the device of electric terminal - Google Patents
A kind of unlocking screen method, image-pickup method and the device of electric terminal Download PDFInfo
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- CN106066951B CN106066951B CN201610352219.7A CN201610352219A CN106066951B CN 106066951 B CN106066951 B CN 106066951B CN 201610352219 A CN201610352219 A CN 201610352219A CN 106066951 B CN106066951 B CN 106066951B
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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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Abstract
The embodiment of the invention discloses a kind of unlocking screen methods of electric terminal, comprising: in the current geographic position for getting fingerprint image and determining electric terminal；The target geographic position region that current geographic position is fallen into is judged according to the multiple geographic location areas divided in advance；The adjust automatically of tuning parameter is carried out using the highest tuning parameter of frequency of use in the target geographic position region of record as initial tuning parameter, to obtain several tuning parameters adjusted, and debugged using each tuning parameter adjusted to the image got is currently acquired；Target image is chosen from the image after each debugging；Whether recognition target image meets unlocking condition, and is unlocked when identification meets to the screen of electric terminal.Correspondingly the invention also discloses a kind of image-pickup method, electric terminal and i.e. image collecting device, adjustment several times need to only be carried out and can be completed to adopt figure to tuning parameter by realizing, and figure efficiency is adopted in raising.
Description
Technical field
The present invention relates to computer field more particularly to a kind of unlocking screen method of electric terminal, image-pickup method,
Electric terminal and image collecting device.
Background technique
With the development of electronic technology and internet, the function of mobile terminal is stronger and stronger, as long as such as user press
According to the demand of itself various client productions are installed on mobile terminals, many consultation informations can be obtained, it might even be possible to foot
Complete many things with not going out family, people's lives and amusement increasingly be unable to do without electric terminal.
Currently, fingerprint identification technology has become the standard configuration of mainstream mobile terminal manufacturer flagship type, and fingerprint recognition is not only
Functions and the important ring of mobile payment such as it can be used for the unlocking screen of mobile terminal and wake up.
The process of fingerprint recognition is divided into: extracting feature, saves data and comparison.At the beginning, pass through fingerprint reading systems
The image for reading somatic fingerprint after getting fingerprint image, preliminary processing will be carried out to original image, is allowed to apparent,
Then Feature Points Matching is carried out with registered fingerprint template.After successful match, system unlock unlocks this to system from fingerprint is read
A time is known as unlocked time.
The speed of unlocked time has become the bright spot of a product competition of major producer, how to improve unlock speed,
Unlocked time is reduced, is the hot issue of current research.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of unlocking screen method of electric terminal, figure
As acquisition method, electric terminal and image collecting device, unlock speed can further improve, reduce unlocked time, meet user
Safely and fast carry out the demand of unlocking screen.
In order to solve the above-mentioned technical problem, first aspect of the embodiment of the present invention discloses a kind of unlocking screen of electric terminal
Method, comprising:
The current geographic position of electric terminal is determined when getting fingerprint image；
The target geographic position that the current geographic position is fallen into is judged according to the multiple geographic location areas divided in advance
Region；
Using the highest tuning parameter of frequency of use in the target geographic position region of record as initial tuning parameter
And the adjust automatically of tuning parameter is carried out, to obtain several tuning parameters adjusted, and joined using debugging adjusted every time
It is several to debug to currently acquiring the image got；
Target image is chosen from the image after each debugging；
It identifies whether the target image meets unlocking condition, and the screen of electric terminal is solved when identification meets
Lock.
With reference to first aspect, in the first possible implementation, the target geographic position area by record
Before the adjust automatically that the highest tuning parameter of frequency of use carries out tuning parameter as initial tuning parameter in domain, also wrap
It includes:
The tuning parameter that uses when choosing acquisition image according to the upper n times of record, and divide in advance the multiplely
The band of position is managed, the highest tuning parameter of frequency of use in each geographic location area is counted；The N is positive integer.
With reference to first aspect, in the second possible implementation, mesh is chosen in the image from after each debugging
Logo image, comprising:
The signal noise ratio (snr) of image of image after comparing each debugging；
The selection maximum image of signal noise ratio (snr) of image is target image.
With reference to first aspect, in the third possible implementation, the electric terminal is equipped with dome keys, Yong Hutong
It crosses finger and presses the dome keys triggering unlocking screen；When the electric terminal, which is in, puts out screen screen lock state, the method
Further include:
Before receiving the operational order for pressing the dome keys, detect that finger touches by the dome keys
When, triggering execution is described to get the step of fingerprint image determines the current geographic position of electric terminal.
The third possible implementation with reference to first aspect, in the fourth possible implementation, the identification
Whether the target image meets unlocking condition, and is unlocked when identification meets to the screen of electric terminal, comprising:
Identify whether the target image matches with the preset image for unlocking authentication；
When identification matches, and after receiving the operational order for pressing the dome keys, to the screen of electric terminal into
Row unlocks and lights screen.
Second aspect of the embodiment of the present invention discloses a kind of image-pickup method, comprising:
The tuning parameter used when choosing acquisition image according to the upper n times of record, and what is divided in advance adopt multiple geography
The band of position counts the highest tuning parameter of frequency of use in each geographic location area；The N is positive integer；
The current geographic position of electric terminal is determined when getting fingerprint image by acquisition module；It is divided according to preparatory
Multiple geographic location areas judge the target geographic position region that the current geographic position is fallen into；
Using the highest tuning parameter of frequency of use in the target geographic position region of record as initial tuning parameter
And the adjust automatically of tuning parameter is carried out, to obtain several tuning parameters adjusted, and joined using debugging adjusted every time
It is several to debug to currently acquiring the image got；
Target image is chosen from the image after each debugging.
In conjunction with second aspect, in the first possible implementation, mesh is chosen in the image from after each debugging
Logo image, comprising:
The signal noise ratio (snr) of image of image after comparing each debugging；
The selection maximum image of signal noise ratio (snr) of image is target image.
The third aspect of the embodiment of the present invention discloses a kind of electric terminal, comprising:
First acquisition determining module, in the current geographic position for getting fingerprint image and determining electric terminal；
First judgment module, for judging that the current geographic position is fallen according to the multiple geographic location areas divided in advance
The target geographic position region entered；
The first adjustment debugging module, the highest debugging of frequency of use in the target geographic position region for that will record
Parameter carries out the adjust automatically of tuning parameter as initial tuning parameter, to obtain several tuning parameters adjusted, and makes
It is debugged with each tuning parameter adjusted to the image got is currently acquired；
First chooses module, for choosing target image from the image after each debugging；
Identify unlocked state, whether the target image meets unlocking condition for identification, and when identification meets to electricity
The screen of sub- terminal is unlocked.
In conjunction with second aspect, in the first possible implementation, electric terminal further include:
First statistical module, in the target geographic position region of the first adjustment debugging module by record
Before the highest tuning parameter of frequency of use carries out the adjust automatically of tuning parameter as initial tuning parameter, according to record
Upper n times choose the tuning parameter used when acquisition image, and the multiple geographic location area divided in advance, count each
The highest tuning parameter of frequency of use in a geographic location area；The N is positive integer.
In conjunction with second aspect, in the second possible implementation, the first selection module includes:
First comparing unit, the signal noise ratio (snr) of image for the image after more each debugging；
First chooses elementary area, is target image for choosing the maximum image of signal noise ratio (snr) of image.
In conjunction with second aspect, in the third possible implementation, the electric terminal is equipped with dome keys, Yong Hutong
It crosses finger and presses the dome keys triggering unlocking screen；When the electric terminal, which is in, puts out screen screen lock state, the electronics
Terminal further include:
Trigger module, for being examined by the dome key before receiving the operational order for pressing the dome keys
When measuring finger touch, triggering executes the first acquisition determining module execution and determines electric terminal when getting fingerprint image
Current geographic position the step of.
In conjunction with the third possible implementation of second aspect, in the fourth possible implementation, the identification
Unlocked state includes:
Identify matching unit, whether the target image matches with the preset image for unlocking authentication for identification；
Unlock bright screen unit, for when identification matching unit identification matching, and receive press the dome by
After the operational order of key, the screen of electric terminal is unlocked and lights screen.
Fourth aspect of the embodiment of the present invention discloses a kind of image collecting device, comprising:
Second statistical module, the tuning parameter used when for choosing acquisition image according to the upper n times of record, and in advance
What is divided adopts multiple geographic location areas, counts the highest tuning parameter of frequency of use in each geographic location area；The N
For positive integer；
Second acquisition determining module, for determining image collecting device when getting fingerprint image by acquisition module
Current geographic position；
Second adjustment debugging module, the highest debugging of frequency of use in the target geographic position region for that will record
Parameter carries out the adjust automatically of tuning parameter as initial tuning parameter, to obtain several tuning parameters adjusted, and makes
It is debugged with each tuning parameter adjusted to the image got is currently acquired；
Second chooses module, for choosing target image from the image after each debugging.
In conjunction with fourth aspect, in the first possible implementation, the second selection module includes:
Second comparing unit, the signal noise ratio (snr) of image for the image after more each debugging；
Second chooses elementary area, is target image for choosing the maximum image of signal noise ratio (snr) of image.
The 5th aspect of the embodiment of the present invention discloses a kind of computer storage medium, and the computer storage medium is stored with
Program, described program include the embodiment of the present invention when executing in a first aspect, first aspect the first possible realization side
Formula perhaps first aspect second of possible implementation perhaps the third possible implementation of first aspect or
The step of unlocking screen method of electric terminal disclosed in 4th kind of possible implementation of first aspect.
The 6th aspect of the embodiment of the present invention discloses a kind of electric terminal, comprising: processor, memory and fingerprint collecting
Equipment；Wherein, the fingerprint collecting equipment is for acquiring fingerprint image；The processor is for holding first party of the embodiment of the present invention
Face perhaps first aspect the first possible implementation perhaps second of possible implementation of first aspect or
Electronics disclosed in the third possible implementation of first aspect or the 4th kind of possible implementation of first aspect
The unlocking screen method of terminal perhaps executes the first possible reality of second aspect of the embodiment of the present invention or second aspect
Image-pickup method disclosed in existing mode.
The implementation of the embodiments of the present invention has the following beneficial effects:
The tuning parameter that uses when by choosing acquisition image according to the upper n times of record, and adopting of dividing in advance are multiple
Geographic location area counts the highest tuning parameter of frequency of use in each geographic location area, falls from current geographic position
The highest tuning parameter of frequency of use starts to carry out the adjust automatically of tuning parameter in the target geographic position region entered, and uses
Each tuning parameter adjusted is debugged to the image got is currently acquired, and is chosen from the image after each debugging
Target image is unlocked the screen of electric terminal when identifying that the target image meets unlocking condition, and realizing only needs
Tuning parameter is carried out adjusting can be completed several times to adopt figure, the number of tuning parameter adjustment can be greatlyd save, solve existing skill
It is generally required in art by adopting figure time longer problem caused by tens times even several hundred adjustment to tuning parameter, significantly
It reduces and adopts the figure time, and can further improve in conjunction with the weather attribute in each geographical location and adopt figure efficiency, to realize
Unlocking screen speed is further increased, reduces the unlocking screen time, meets user security and rapidly carry out unlocking screen
Demand, improve user unlock experience.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow diagram of the unlocking screen method of electric terminal provided in an embodiment of the present invention；
Fig. 2 is the unlocking screen principle schematic flow diagram of electric terminal provided in an embodiment of the present invention；
Fig. 3 is the flow diagram of image-pickup method provided by the invention；
Fig. 4 is the structural schematic diagram of electric terminal provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another embodiment of electric terminal provided by the invention；
Fig. 6 is the provided in an embodiment of the present invention first structural schematic diagram for choosing module；
Fig. 7 is the structural schematic diagram of another embodiment of electric terminal provided by the invention；
Fig. 8 is the structural schematic diagram of identification unlocked state provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of another embodiment of electric terminal provided by the invention；
Figure 10 is the structural schematic diagram of image collecting device provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that the term used in embodiments of the present invention is only merely for the mesh of description specific embodiment
, it is not intended to limit the invention." the one of the embodiment of the present invention and singular used in the attached claims
Kind ", " described " and "the" are also intended to including most forms, unless the context clearly indicates other meaning.It is also understood that this
Term "and/or" used herein refers to and includes one or more associated any or all possible group for listing project
It closes.
The embodiment of the invention discloses a kind of unlocking screen methods of electric terminal, realize quick screen unlock.In conjunction with
Attached drawing is described in detail.
The flow diagram of the unlocking screen method of electric terminal provided in an embodiment of the present invention as shown in Figure 1, comprising:
Step S100: in the current geographic position for getting fingerprint image and determining electric terminal；
Specifically, electric terminal can be by acquisition module, such as fingerprint sensor etc., the fingerprint image of acquisition user's input
Picture；Electric terminal can pass through global positioning system (Global when obtaining by acquisition module or collecting fingerprint image
Positioning System, GPS) or BEI-DOU position system etc. determine the current geographic position of the electric terminal.
Step S102: the target that the current geographic position is fallen into is judged according to the multiple geographic location areas divided in advance
Geographic location area；
Specifically, the electric terminal of the embodiment of the present invention can preset or divide a lot of geographic location area, should
Geographic location area may include the different cities perhaps different cities in same city or the various zones in same city
Etc..The present invention does not limit geographic location area division mode.
Step S104: using the highest tuning parameter of frequency of use in the target geographic position region of record as initial
Tuning parameter and the adjust automatically for carrying out tuning parameter, to obtain several tuning parameters adjusted, and using adjustment every time after
Tuning parameter debugged to the image got is currently acquired；
Specifically, when electric terminal needs repeatedly to adjust by acquisition module when collecting the fingerprint image of user's input
Tuning parameter, the tuning parameter in the embodiment of the present invention includes automatic suitable solution (Capacity Auto Control, CAC)
Parameter, acquired image is handled by each tuning parameter adjusted, to obtain some acquisition images,
And the best image of clarity is finally chosen as the subsequent image identified.
It should be noted that the unlocking screen method of the electric terminal of the embodiment of the present invention is each before step S104
After collecting image and finally having chosen the best image of clarity, each geographical location can be recorded in and handle to obtain this clearly
The tuning parameter used corresponding to the best image of clear degree, then when before executing step S104, it can be according to the upper of record
N times choose the tuning parameter used when acquisition image, and the multiple geographic location area divided in advance, count eachly
Manage the highest tuning parameter of frequency of use in the band of position；The N is positive integer；Specifically, the geographical location acquired every time is returned
Enter to corresponding geographic location area, then count the tuning parameter that access times are most in each geographic location area, this makes
It can be thought to count the highest tuning parameter of frequency of use in the embodiment of the present invention with the most tuning parameter of number.
It should also be noted that, the tuning parameter in each embodiment of the present invention may include following at least one:
Gain gain parameter, digital-to-analogue converter (Analog-to-digital converter, ADC) parameter, pixel gain
Pixel gain parameter, etc. parameters.
Again specifically, step S104 is using the highest tuning parameter of the frequency of use as benchmark (i.e. as initial debugging ginseng
Number), it is automatically adjusted since the highest tuning parameter of the frequency of use, the adjust automatically in the embodiment of the present invention can be with
Millisecond rank is adjusted using each tuning parameter adjusted to the image got is currently acquired to be automatically adjusted
Examination, the image after obtaining each debugging.
Step S106: target image is chosen from the image after each debugging；
Specifically, the highest image of clarity can be chosen as target image, be used for subsequent progress image recognition unlock.
It is possible to further pass through the signal noise ratio (snr) of image of the image after more each debugging of analysis, it is believed that the maximum figure of signal noise ratio (snr) of image
Picture as clarity highest, best image, to choose the maximum image of signal noise ratio (snr) of image as target image.
Step S108: identifying whether the target image meets unlocking condition, and when identification meets to electric terminal
Screen is unlocked.
Specifically, electric terminal can preset unlocking condition, for example target image will be with the figure for unlocking authentication
Certain characteristic information etc. is preset as matching, target image have, when identifying that the target image meets preset unlocking condition,
The screen of electric terminal can be unlocked.
Through the embodiment of the present invention, by taking unlocked by fingerprint as an example, although for different finger print acquisition modules and different use
For family finger (dry and wet finger is had any different), the parameter of CAC is Protean, but for an independent electric terminal and list
An only user, i.e., the service condition of daily middle ordinary user.Because finger print acquisition module performance is determined when factory
Fixed, the finger of user is also fixed.Therefore, when carrying out currently this acquisition image, pass through the upper n times according to record
The tuning parameter used when choosing acquisition image, and what is divided in advance adopt multiple geographic location areas, count each geography
The highest tuning parameter of frequency of use in the band of position uses frequency from the target geographic position region that current geographic position is fallen into
The highest tuning parameter of rate starts to carry out the adjust automatically of tuning parameter, and using each tuning parameter adjusted to currently adopting
Collect the image got to be debugged, and choose target image from the image after each debugging, identifies the target image
The screen of electric terminal is unlocked when meeting unlocking condition, realize only need to tuning parameter carry out several times adjustment can be complete
Cheng Caitu, can greatly save tuning parameter adjustment number, solve generally require in the prior art by tens times even it is several
Figure time longer problem is adopted caused by hundred adjustment to tuning parameter, greatly reduces and adopts the figure time, and can be in conjunction with every
The weather attribute in a geographical location, further improves and adopts figure efficiency, further increases unlocking screen speed to realize, subtracts
The unlocking screen time is lacked, has met the demand that user security rapidly carries out unlocking screen, has improved user and unlock experience.
Further, it is illustrated so that electric terminal is mobile terminal as an example below, the unlocking screen of mobile terminal can be with
It is divided into three classes, including bright screen unlocks, puts out screen unlocks and put out screen being unlocked by pressing.Wherein, this puts out screen being unlocked by pressing that is shifting
Dynamic terminal is equipped with dome keys, and user presses the dome keys by finger and just triggers unlocking screen.For a user, for
Bright screen unlocks, the time for experiencing unlocking screen are to show the unlock interface time experienced to the end since hand touch fingerprint；
For screen unlocks are put out, the time for experiencing unlocking screen is to bright screen to the end and to show unlock interface institute since hand touch fingerprint
The time of experience；And for screen being unlocked by pressing is put out, the time for experiencing unlocking screen is that dome keys bright screen to the end is pressed from hand
And show the unlock interface time experienced.
It should be noted that the dome keys in the embodiment of the present invention, can also be dome piece, it can be one piece and include gold
Belong to poly terephthalic acid class plastics (Polyethylene terephthalate, the PET) thin slice of elastic slice (metal dome), be used in
Printed circuit board (Printed Circuit Board, PCB) or flexible circuit board (Flexible Printed Circuit
Board, FPC) etc. used as switch on wiring boards, an important sense of touch type switch is played between user and instrument
Effect；It will be appreciated that the dome keys in the embodiment of the present invention can acquire the fingerprint image of user, which can be with
The positions such as the front, the back side or side of electric terminal are set, can according to technical staff or developer according to self-demand come
The position of the dome keys is set, and the embodiment of the present invention is with no restriction.
Below for putting out screen being unlocked by pressing, in conjunction with Fig. 2 shows electric terminal provided in an embodiment of the present invention screen solution
Lock principle schematic flow diagram, then the unlocking screen method that the present invention is described in detail embodiment provides:
Electric terminal passes through the dome before receiving the operational order of the pressing dome keys of user's input
Key detects that the finger of user touches, i.e., interrupt requests (Interrupt Request, IRQ) generate interruption, then can
Triggering executes and is getting the step of fingerprint image determines the current geographic position of electric terminal；The specific step can refer to upper
The description of step S100 is stated, which is not described herein again.Then, the frequency of use highest from the target geographic position region of record
Tuning parameter start to carry out the adjust automatically of tuning parameter, and current acquisition is obtained using each tuning parameter adjusted
To image debugged, can pass through analysis more each time debug after image signal noise ratio (snr) of image, it is believed that signal noise ratio (snr) of image
Maximum image is clarity highest, best image, to choose the maximum image of signal noise ratio (snr) of image as target figure
Picture；
Finally, identifying whether the target image matches with the preset image for unlocking authentication；When identification matching, and
After receiving the operational order for pressing the dome keys, the screen of electric terminal is unlocked and lights screen.
It will be appreciated that the electric terminal of the embodiment of the present invention receives the behaviour of the pressing dome keys of user's input
It instructs, i.e., the step of user presses dome keys, it can in user by after finger touch fingerprint, the acquisition of fingerprint mould group
Before fingerprint image；Or it can also be after fingerprint mould group acquires fingerprint image, before completion image recognition matching；Or it can be with
After completing image recognition matching, before unlock is completed.
, can be with then unlocking screen will not be executed it should be noted that if image recognition fails in the embodiment of the present invention
The prompt information of recognition failures is exported to user.
Through the embodiment of the present invention, it not only can solve and generally required in the prior art by tens times even several hundred times
Figure time longer problem is adopted caused by adjustment to tuning parameter, greatly reduces and adopts the figure time, is improved and is adopted figure efficiency, and
And in the case that user's pressing dome keys are less fast (such as after completing image recognition matching, before unlock completion
Press dome keys), it can will further experience the feeling that moment unlocks bright screen.
Still further, the present invention as shown in Figure 3 provides the embodiment of the invention also provides a kind of image-pickup method
Image-pickup method flow diagram, comprising:
Step S300: the tuning parameter used when choosing acquisition image according to the upper n times of record, and what is divided in advance are adopted
Multiple geographic location areas count the highest tuning parameter of frequency of use in each geographic location area；The N is positive integer；
Step S302: the current geographic position of electric terminal is determined when getting fingerprint image by acquisition module；Root
The target geographic position region that the current geographic position is fallen into is judged according to the multiple geographic location areas divided in advance；
Step S304: using the highest tuning parameter of frequency of use in the target geographic position region of record as initial
Tuning parameter and the adjust automatically for carrying out tuning parameter, to obtain several tuning parameters adjusted, and using adjustment every time after
Tuning parameter debugged to the image got is currently acquired；
Step S306: target image is chosen from the image after each debugging.
Specifically, the signal noise ratio (snr) of image of the image after can debugging for more each time；Choose the maximum image of signal noise ratio (snr) of image
For target image.
It should be noted that the image-pickup method of Fig. 3 embodiment description can be implemented with specific reference to above-mentioned Fig. 1 and Fig. 2
The step of in example on how to complete Image Acquisition, which is not described herein again.
Through the embodiment of the present invention, realizing only need to carry out tuning parameter to adjust can be completed several times adopting figure, solve
It generally requires longer to ask by adopting the figure time caused by tens even several hundred adjustment time to tuning parameter in the prior art
Topic, greatly reduces and adopts the figure time, improve and adopt figure efficiency.
It should also be noted that, in the step S100 or S302 of the embodiment of the present invention, if the geographical position of current acquired image
It sets in record and does not record, i.e., when the target geographic position region that current geographic position is fallen into did not recorded selection acquisition image
When the tuning parameter used, can directly according to record this on n times choose acquisition image when the tuning parameter that uses, from whole
It chooses the highest tuning parameter of frequency of use in geographic location area to start to carry out the adjust automatically of tuning parameter, and using each
Tuning parameter adjusted is debugged to the image got is currently acquired.
For the ease of better implementing the above scheme of the embodiment of the present invention, the present invention is also corresponding, and to provide a kind of electronics whole
End, the structural schematic diagram of electric terminal provided in an embodiment of the present invention as shown in Figure 4, electric terminal 40 may include first adopting
Collect determining module 400, first judgment module 402, the first adjustment debugging module 404, first and chooses module 406 and identification unlock
Module 408, wherein
First acquisition determining module 400 is used in the current geographic position for getting fingerprint image and determining electric terminal；
First judgment module 402 is used to judge the current geographic position according to the multiple geographic location areas divided in advance
The target geographic position region fallen into；
The highest tune of frequency of use in the target geographic position region that the first adjustment debugging module 404 is used to record
Examination parameter carries out the adjust automatically of tuning parameter as initial tuning parameter, to obtain several tuning parameters adjusted, and
It is debugged using each tuning parameter adjusted to the image got is currently acquired；
First selection module 406 is used to choose target image from the image after each debugging；
Whether the target image meets unlocking condition to identification unlocked state 408 for identification, and when identification meets pair
The screen of electric terminal is unlocked.
Specifically, the structural schematic diagram of another embodiment of electric terminal provided by the invention as shown in Figure 5, electronics are whole
End 40 includes the first acquisition determining module 400, first judgment module 402, the selection module of the first adjustment debugging module 404, first
406, with outside identification unlocked state 408, can also include the first statistical module 4010, be used in the first adjustment debugging module 404
It is adjusted using the highest tuning parameter of frequency of use in the target geographic position region of record as initial tuning parameter
Before the adjust automatically for trying parameter, the tuning parameter used when choosing acquisition image according to the upper n times of record, and divide in advance
The multiple geographic location area, count the highest tuning parameter of frequency of use in each geographic location area；The N is
Positive integer.
Further, the structural schematic diagram of the first selection module provided in an embodiment of the present invention as shown in Figure 6, the first choosing
Modulus block 406 may include: that the first comparing unit 4060 and first chooses elementary area 4062, wherein
Signal noise ratio (snr) of image of first comparing unit 4060 for the image after more each debugging；
First selection elementary area 4062 is target image for choosing the maximum image of signal noise ratio (snr) of image.
Still further, electric terminal 40 is equipped with dome keys, user presses the dome key triggering screen by finger
Curtain unlock；When electric terminal 40, which is in, puts out screen screen lock state, another reality of electric terminal provided by the invention as shown in Figure 7
The structural schematic diagram of example is applied, electric terminal 40 includes the first acquisition determining module 400, first judgment module 402, the first adjustment tune
Die trial block 404, first is chosen outside module 406, identification unlocked state 408 and the first statistical module 4010, can also include triggering
Module 4012, for detecting finger by the dome keys before receiving the operational order for pressing the dome keys
When touch, triggering the first acquisition determining module 400, which is executed, acquires and gets image in current geographic position, is divided according to preparatory
Multiple geographic location areas the step of judging the target geographic position region that the current geographic position is fallen into.
Still further, the structural schematic diagram of identification unlocked state provided in an embodiment of the present invention as shown in Figure 8, identification
Unlocked state 408 may include: identification matching unit 4080 and the bright screen unit 4082 of unlock, wherein
Identification matching unit 4080 for identification the target image and it is preset for unlock authenticate image whether
Match；
Bright screen unit 4082 is unlocked for and pressing the dome receiving when the identification matching of identification matching unit 4080
After the operational order of key, the screen of electric terminal 40 is unlocked and lights screen.
Still further, the tuning parameter in the embodiment of the present invention comprises at least one of the following:
Gain parameter, digital-to-analogue converter parameter, pixel gain parameter etc..
Referring to Fig. 9, Fig. 9 is the structural schematic diagram of another embodiment of electric terminal provided by the invention.Wherein, as schemed
Shown in 9, electric terminal 90 may include: at least one processor 901, such as CPU, at least one network interface 904, Yong Hujie
Mouth 903, memory 905, at least one communication bus 902 and display screen 906.Wherein, communication bus 902 is for realizing these
Connection communication between component.Wherein, user interface 903 may include finger print acquisition module or fingerprint collecting equipment, keyboard or
Mouse etc..Network interface 904 optionally may include standard wireline interface and wireless interface (such as WI-FI interface).Memory
905 can be high speed RAM memory, be also possible to non-labile memory (non-volatile memory), such as extremely
A few magnetic disk storage, memory 905 include the flash in the embodiment of the present invention.Memory 905 optionally can also be
At least one is located remotely from the storage system of aforementioned processor 901.As shown in figure 9, depositing as a kind of computer storage medium
It may include operating system, network communication module, Subscriber Interface Module SIM and unlocking screen program in reservoir 905.
Processor 901 can be used for calling the unlocking screen program stored in memory 905, and execute following operation:
When getting fingerprint image by the finger print acquisition module in user interface 903, the current of electric terminal is determined
Geographical location judges the target geographic position that the current geographic position is fallen into according to the multiple geographic location areas divided in advance
Region；
Using the highest tuning parameter of frequency of use in the target geographic position region of record as initial tuning parameter
And the adjust automatically of tuning parameter is carried out, to obtain several tuning parameters adjusted, and joined using debugging adjusted every time
It is several to debug to currently acquiring the image got；
Target image is chosen from the image after each debugging；
It identifies whether the target image meets unlocking condition, and the screen of electric terminal is solved when identification meets
Lock.
Specifically, processor 901 is by the highest tuning parameter of frequency of use in the target geographic position region of record
Before the adjust automatically for carrying out tuning parameter as initial tuning parameter, it can also be performed:
The tuning parameter that uses when choosing acquisition image according to the upper n times of record, and divide in advance the multiplely
The band of position is managed, the highest tuning parameter of frequency of use in each geographic location area is counted；The N is positive integer.
Specifically, processor 901 chooses target image from the image after each debugging, comprising:
The signal noise ratio (snr) of image of image after comparing each debugging；
The selection maximum image of signal noise ratio (snr) of image is target image.
Specifically, electric terminal 90 can be equipped with dome keys, and user presses the dome key triggering screen by finger
Curtain unlock；When electric terminal 90, which is in, puts out screen screen lock state, processor 901 is also executed:
Before receiving the operational order for pressing the dome keys, detect that finger touches by the dome keys
When, triggering execution is described to get the step of fingerprint image determines the current geographic position of electric terminal.
Specifically, processor 901 identifies whether the target image meets unlocking condition, and when identification meets to electronics
The screen of terminal is unlocked, comprising:
Identify whether the target image matches with the preset image for unlocking authentication；
When identification matches, and after receiving the operational order for pressing the dome keys, to the screen of electric terminal into
Row unlocks and lights screen.
It should be noted that the electric terminal 40 or electric terminal 90 in the embodiment of the present invention include but is not limited to mobile electricity
Words, removable computer, tablet computer, personal digital assistant (Personal Digital Assistant, PDA), media player,
The user equipmenies such as smart television, smartwatch, intelligent glasses, Intelligent bracelet.
It should be noted that the function of electric terminal 40 or each functional module of electric terminal 90 in the embodiment of the present invention can
According to the method specific implementation in above method embodiment, specific implementation process is referred to the correlation of above method embodiment
Description, details are not described herein again.
For the ease of better implementing the above scheme of the embodiment of the present invention, the present invention is also corresponding to be provided a kind of image and adopts
Acquisition means, the structural schematic diagram of image collecting device provided in an embodiment of the present invention as shown in Figure 10, image collecting device 10
It may include the second statistical module 100, second acquisition determining module 102, the second judgment module 104, second adjustment debugging module
106 and second choose module 108, wherein
Second statistical module 100 is used for the tuning parameter used when choosing acquisition image according to the upper n times of record, and pre-
What is first divided adopts multiple geographic location areas, counts the highest tuning parameter of frequency of use in each geographic location area；Institute
Stating N is positive integer；
Second acquisition determining module 102 is for determining image collecting device when getting fingerprint image by acquisition module
Current geographic position；
Second judgment module 104 is used to judge the current geographic position according to the multiple geographic location areas divided in advance
The target geographic position region fallen into；
The highest tune of frequency of use in the target geographic position region that second adjustment debugging module 106 is used to record
Examination parameter carries out the adjust automatically of tuning parameter as initial tuning parameter, to obtain several tuning parameters adjusted, and
It is debugged using each tuning parameter adjusted to the image got is currently acquired；
Second selection module 108 is used to choose target image from the image after each debugging.
Specifically, the second selection module 108 may include: that the second comparing unit and second choose elementary area, wherein
Signal noise ratio (snr) of image of second comparing unit for the image after more each debugging；
Second selection elementary area is target image for choosing the maximum image of signal noise ratio (snr) of image.
It should be noted that the function of each functional module of image collecting device 10 in the embodiment of the present invention can be according to above-mentioned
Method specific implementation in embodiment of the method, specific implementation process are referred to the associated description of above method embodiment, this
Place repeats no more.
In conclusion the tuning parameter used when by choosing acquisition image according to the upper n times of record, and divide in advance
Adopt multiple geographic location areas, the highest tuning parameter of frequency of use in each geographic location area is counted, from current position
The highest tuning parameter of frequency of use starts to carry out the automatic tune of tuning parameter in the target geographic position region that reason position is fallen into
It is whole, and debugged using each tuning parameter adjusted to the image got is currently acquired, and after each debugging
Target image is chosen in image, and the screen of electric terminal is unlocked when identifying that the target image meets unlocking condition,
Realizing only need to carry out tuning parameter to adjust can be completed several times adopting figure, can greatly save the number of tuning parameter adjustment, solution
Having determined, it is longer by adopting the figure time caused by tens times even several hundred adjustment to tuning parameter to generally require in the prior art
The problem of, it greatly reduces and adopts the figure time, and can further improve in conjunction with the weather attribute in each geographical location and adopt figure effect
Rate further increases unlocking screen speed to realize, reduces the unlocking screen time, meet user security rapidly into
The demand of row unlocking screen improves user and unlocks experience.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and weighs according to the present invention
Benefit requires made equivalent variations, still belongs to the scope covered by the invention.
Claims (15)
1. a kind of unlocking screen method of electric terminal characterized by comprising
The current geographic position of electric terminal is determined when getting fingerprint image；
The target geographic position region that the current geographic position is fallen into is judged according to the multiple geographic location areas divided in advance；
Using the highest tuning parameter of frequency of use in the target geographic position region of record as the i.e. initial debugging ginseng of benchmark
The adjust automatically of tuning parameter is counted and carried out, to obtain several tuning parameters adjusted, and uses each debugging adjusted
Parameter is debugged to the image got is currently acquired；
Target image is chosen from the image after each debugging；
It identifies whether the target image meets unlocking condition, and the screen of electric terminal is unlocked when identification meets.
2. the method as described in claim 1, which is characterized in that used in the target geographic position region by record
The highest tuning parameter of frequency is carried out as initial tuning parameter before the adjust automatically of tuning parameter, further includes:
The tuning parameter used when choosing acquisition image according to the upper n times of record, and the multiple geographical position divided in advance
Region is set, the highest tuning parameter of frequency of use in each geographic location area is counted；The N is positive integer.
3. the method as described in claim 1, which is characterized in that target image is chosen in the image from after each debugging,
Include:
The signal noise ratio (snr) of image of image after comparing each debugging；
The selection maximum image of signal noise ratio (snr) of image is target image.
4. the method as described in claim 1, which is characterized in that the electric terminal is equipped with dome keys, and user passes through finger
Press the dome keys triggering unlocking screen；When the electric terminal, which is in, puts out screen screen lock state, the method also includes:
Before receiving the operational order for pressing the dome keys, when detecting that finger touches by the dome keys, touching
Hair executes the described the step of current geographic position of electric terminal is determined when getting fingerprint image.
5. method as claimed in claim 4, which is characterized in that whether the identification target image meets unlocking condition,
And the screen of electric terminal is unlocked when identification meets, comprising:
Identify whether the target image matches with the preset image for unlocking authentication；
When identification matching, and after receiving the operational order for pressing the dome keys, the screen of electric terminal is solved
It locks and lights screen.
6. a kind of image-pickup method characterized by comprising
The tuning parameter used when choosing acquisition image according to the upper n times of record, and the multiple geographical location areas divided in advance
Domain counts the highest tuning parameter of frequency of use in each geographic location area；The N is positive integer；
The current geographic position of electric terminal is determined when getting fingerprint image by acquisition module；It is more according to what is divided in advance
A geographic location area judges the target geographic position region that the current geographic position is fallen into；
Using the highest tuning parameter of frequency of use in the target geographic position region of record as the i.e. initial debugging ginseng of benchmark
The adjust automatically of tuning parameter is counted and carried out, to obtain several tuning parameters adjusted, and uses each debugging adjusted
Parameter is debugged to the image got is currently acquired；
Target image is chosen from the image after each debugging.
7. method as claimed in claim 6, which is characterized in that target image is chosen in the image from after each debugging,
Include:
The signal noise ratio (snr) of image of image after comparing each debugging；
The selection maximum image of signal noise ratio (snr) of image is target image.
8. a kind of electric terminal characterized by comprising
First acquisition determining module, for determining the current geographic position of electric terminal when getting fingerprint image；
First judgment module, for judging what the current geographic position was fallen into according to the multiple geographic location areas divided in advance
Target geographic position region；
The first adjustment debugging module, the highest tuning parameter of frequency of use in the target geographic position region for that will record
The adjust automatically of tuning parameter is carried out as benchmark, that is, initial tuning parameter, to obtain several tuning parameters adjusted, and
It is debugged using each tuning parameter adjusted to the image got is currently acquired；
First chooses module, for choosing target image from the image after each debugging；
Identify unlocked state, whether the target image meets unlocking condition for identification, and when identification meets to electronics end
The screen at end is unlocked.
9. electric terminal as claimed in claim 8, which is characterized in that further include:
First statistical module, for being used in the target geographic position region of the first adjustment debugging module by record
Before the highest tuning parameter of frequency carries out the adjust automatically of tuning parameter as initial tuning parameter, according to the upper N of record
It is secondary to choose the tuning parameter used when acquiring image, and the multiple geographic location area divided in advance, it counts each
The highest tuning parameter of frequency of use in geographic location area；The N is positive integer.
10. electric terminal as claimed in claim 8, which is characterized in that described first, which chooses module, includes:
First comparing unit, the signal noise ratio (snr) of image for the image after more each debugging；
First chooses elementary area, is target image for choosing the maximum image of signal noise ratio (snr) of image.
11. electric terminal as claimed in claim 8, which is characterized in that the electric terminal is equipped with dome keys, and user passes through
Finger presses the dome keys and triggers unlocking screen；When the electric terminal, which is in, puts out screen screen lock state, the electronics is whole
End further include:
Trigger module, for being detected by the dome keys before receiving the operational order for pressing the dome keys
When finger touches, triggering executes the first acquisition determining module execution and determines working as electric terminal when getting fingerprint image
The step of preceding geographical location.
12. electric terminal as claimed in claim 11, which is characterized in that the identification unlocked state includes:
Identify matching unit, whether the target image matches with the preset image for unlocking authentication for identification；
Bright screen unit is unlocked, for matching when identification matching unit identification, and is receiving the pressing dome keys
After operational order, the screen of electric terminal is unlocked and lights screen.
13. a kind of image collecting device characterized by comprising
Second statistical module, the tuning parameter used when for choosing acquisition image according to the upper n times of record, and divide in advance
Multiple geographic location areas, count the highest tuning parameter of frequency of use in each geographic location area；The N is positive whole
Number；
Second acquisition determining module, for determining the current of image collecting device when getting fingerprint image by acquisition module
Geographical location；
Second judgment module, for judging what the current geographic position was fallen into according to the multiple geographic location areas divided in advance
Target geographic position region；
Second adjustment debugging module, the highest tuning parameter of frequency of use in the target geographic position region for that will record
The adjust automatically of tuning parameter is carried out as benchmark and initial tuning parameter, to obtain several tuning parameters adjusted, and
It is debugged using each tuning parameter adjusted to the image got is currently acquired；
Second chooses module, for choosing target image from the image after each debugging.
14. device as claimed in claim 13, which is characterized in that described second, which chooses module, includes:
Second comparing unit, the signal noise ratio (snr) of image for the image after more each debugging；
Second chooses elementary area, is target image for choosing the maximum image of signal noise ratio (snr) of image.
15. a kind of electric terminal characterized by comprising processor, memory and fingerprint collecting equipment；Wherein, the finger
Line acquisition equipment is for acquiring fingerprint image；The processor requires the described in any item methods of 1-5 for perform claim, or
Method described in perform claim requirement 6 or 7.
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| CN108073885B (en) * | 2016-11-18 | 2021-11-12 | 比亚迪半导体股份有限公司 | Fingerprint identification method and electronic device |
| CN115758309A (en) * | 2022-11-15 | 2023-03-07 | 维沃移动通信有限公司 | Screen unlocking method and device, electronic equipment and readable storage medium |
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