CN106022049B - The unlocking screen method and electric terminal of a kind of electric terminal - Google Patents
The unlocking screen method and electric terminal of a kind of electric terminal Download PDFInfo
- Publication number
- CN106022049B CN106022049B CN201610353387.8A CN201610353387A CN106022049B CN 106022049 B CN106022049 B CN 106022049B CN 201610353387 A CN201610353387 A CN 201610353387A CN 106022049 B CN106022049 B CN 106022049B
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- image
- fingerprint
- electric terminal
- unlocked
- screen
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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
Abstract
The embodiment of the invention discloses a kind of unlocking screen method of electric terminal, including：Unlocked by fingerprint triggering command is obtained, and the target fingerprint group belonging to the image got is currently gathered according to the judgement of unlocked by fingerprint triggering command；Frequency of use highest tuning parameter proceeds by the adjust automatically of tuning parameter from the target fingerprint group of record, and is debugged using the tuning parameter after each adjustment to currently gathering the image got；Target image is chosen from the image after each debugging；Whether recognition target image meets unlocking condition, and the screen of electric terminal is unlocked when identification meets.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 to tuning parameter by, which realizing, can complete to adopt figure, solve the problems, such as to generally require even longer to adopting the figure time caused by the adjustment of tuning parameter hundreds of times by tens times, figure efficiency is adopted in raising.
Description
Technical field
The present invention relates to the unlocking screen method and electric terminal of computer realm, more particularly to a kind of electric terminal.
Background technology
With the development of electronics technology and internet, the function of mobile terminal is stronger and stronger, as long as such as user press
Various client productions are installed on mobile terminals according to the demand of itself, can be to obtain many consultation informations, it might even be possible to foot
Complete many things with not going out family, the life and amusement of people increasingly be unable to do without electric terminal.
Currently, fingerprint identification technology has become the standard configuration of main flow mobile terminal manufacturer flagship type, and fingerprint recognition is not only
It can be used for the functions such as unlocking screen and the wake-up of mobile terminal, and the ring that mobile payment is important.
The process of fingerprint recognition is divided into：Extract feature, preserve data and comparison.At the beginning, pass through fingerprint reading systems
The image of somatic fingerprint is read, after getting fingerprint image, preliminary processing is carried out to original image, is allowed to apparent,
Then Feature Points Matching is carried out with registered fingerprint template.After the match is successful, system unblock, this is unlocked to system from fingerprint is read
The individual time is referred to as unlocked time.
The speed of unlocked time has become the bright spot of a product competition of major producer, how to improve unblock speed,
Unlocked time is reduced, is the hot issue of current research.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided a kind of unlocking screen method of electric terminal, figure
As acquisition method, electric terminal and image collecting device, unblock speed is can further improve, unlocked time is reduced, meets 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, including：
Unlocked by fingerprint triggering command is obtained, and the figure got is currently gathered according to unlocked by fingerprint triggering command judgement
As affiliated target fingerprint group；
Frequency of use highest tuning parameter proceeds by the automatic of tuning parameter from the target fingerprint group of record
Adjustment, and debugged using the tuning parameter after each adjustment to currently gathering the image got；
Target image is chosen from the image after each debugging；
Identify whether the target image meets unlocking condition, and the screen of electric terminal is solved when identification meets
Lock.
With reference in a first aspect, in the first possible implementation, make in the target fingerprint group from record
Before the adjust automatically of tuning parameter being proceeded by with frequency highest tuning parameter, in addition to：
The tuning parameter used when choosing collection image according to the upper n times of record, and default different unlocked by fingerprint touch
Multiple different fingerprint groups corresponding to sending instructions, count frequency of use highest tuning parameter in each fingerprint group；The N is just
Integer.
With reference in a first aspect, in second of possible implementation, mesh is chosen in the image from after each debugging
Logo image, including：
Compare the signal noise ratio (snr) of image of the image after each debugging；
It is target image to choose the maximum image of signal noise ratio (snr) of image.
With reference in a first aspect, in the third possible implementation, the electric terminal is provided with dome keys, Yong Hutong
Cross finger and press the dome keys triggering unlocking screen；When the electric terminal, which is in, puts out screen screen lock state, methods described
Also include：
Before the operational order for pressing the dome keys is received, detect that finger touches by the dome keys
When, triggering performs described the step of obtaining unlocked by fingerprint triggering command.
With reference to the third possible implementation of first aspect, in the 4th kind of possible implementation, the identification
Whether the target image meets unlocking condition, and the screen of electric terminal is unlocked when identification meets, including：
Identify whether the target image matches with the default image for being used to unlock authentication；
When identification matching, and after the operational order for pressing the dome keys is received, the screen of electric terminal is entered
Row unlocks and lights screen.
With reference in a first aspect, either second of the first possible implementation or first aspect of first aspect
Possible implementation, either the 4th kind of the third possible implementation or first aspect of first aspect is possible
Implementation, in the 5th kind of possible implementation, the tuning parameter includes following at least one：
Gain parameter, digital-to-analogue converter parameter, pixel gain parameter.
Second aspect of the embodiment of the present invention discloses a kind of electric terminal, including：
Instruction acquisition module, for obtaining unlocked by fingerprint triggering command；
Judge module, for according to the unlocked by fingerprint triggering command judge currently gather the image got belonging to mesh
Mark fingerprint group；
Debugging module is adjusted, for entering since the target fingerprint group of record frequency of use highest tuning parameter
The adjust automatically of row tuning parameter, and adjusted using the tuning parameter after each adjustment to currently gathering the image got
Examination；
Module is chosen, for choosing target image from the image after each debugging；
Unlocked state is identified, for identifying whether the target image meets unlocking condition, and when identification meets to electricity
The screen of sub- terminal is unlocked.
With reference to second aspect, in the first possible implementation, electric terminal also includes：
Statistical module, for the frequency of use highest in the target fingerprint group of the adjustment debugging module from record
Before tuning parameter proceeds by the adjust automatically of tuning parameter, the tune that uses when choosing collection image according to the upper n times of record
Parameter, and multiple different fingerprint groups corresponding to default different unlocked by fingerprint triggering commands are tried, are counted in each fingerprint group
Frequency of use highest tuning parameter；The N is positive integer.
With reference to second aspect, in second of possible implementation, the selection module includes：
Comparing unit, the signal noise ratio (snr) of image for the image after more each debugging；
Elementary area is chosen, is target image for choosing the maximum image of signal noise ratio (snr) of image.
With reference to second aspect, in the third possible implementation, the electric terminal is provided with dome keys, Yong Hutong
Cross finger and press the dome keys triggering unlocking screen；When the electric terminal, which is in, puts out screen screen lock state, the electronics
Terminal also includes：
Trigger module, for before the operational order for pressing the dome keys is received, being examined by the dome keys
When measuring finger touch, trigger the instruction acquisition module and perform the step of obtaining unlocked by fingerprint triggering command.
With reference to the third possible implementation of second aspect, in the 4th kind of possible implementation, the identification
Unlocked state includes：
Matching unit is identified, for identifying whether the target image matches with the default image for being used to unlock authentication；
Unlock bright screen unit, for when the identification matching unit identification matching, and receive the pressing dome by
After the operational order of key, the screen of electric terminal is unlocked and lights screen.
The third aspect of the embodiment of the present invention discloses a kind of computer-readable storage medium, and the computer-readable storage medium is stored with
Program, described program perform when including the embodiment of the present invention in a first aspect, or first aspect the first possible realization side
Formula, either the third possible implementation of the possible implementation of second of first aspect or first aspect, or
4th kind of possible implementation of first aspect, or the electronics disclosed in the 5th kind of possible implementation of first aspect
The step of unlocking screen method of terminal.
Fourth aspect of the embodiment of the present invention discloses a kind of electric terminal, including：Processor, memory and fingerprint collecting
Equipment；Wherein, the fingerprint collecting equipment is used to gather fingerprint image；The processor is used to hold first party of the embodiment of the present invention
Face, either second of possible implementation of the possible implementation of the first of first aspect or 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.
Implement the embodiment of the present invention, have the advantages that：
By according to the unlocked by fingerprint triggering command of acquisition judge currently gather the image got belonging to target fingerprint
Group, frequency of use highest tuning parameter proceeds by the adjust automatically of tuning parameter from the target fingerprint group of record,
And debugged using the tuning parameter after each adjustment to currently gathering the image got, and the image after debugging for each time
Middle selection target image, the screen of electric terminal is unlocked when identifying that the target image meets unlocking condition, realized
Adjustment several times need to be only carried out to tuning parameter can complete to adopt figure, can greatly save the number of tuning parameter adjustment, solve
Generally require longer to ask to adopting the figure time caused by the adjustment of tuning parameter by tens times even hundreds of times in the prior art
Topic, greatly reduces and adopts the figure time, improve and adopt figure efficiency, adjusts what is used during collection fingerprint image by different fingerprint groups
Tuning parameter can further improve unlocking screen speed, reduce the unlocking screen time, meet user security and rapidly enter
The demand of row unlocking screen, improve user and unlock experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet 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 structural representation of electric terminal provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another embodiment of electric terminal provided by the invention；
Fig. 5 is the structural representation of selection module provided in an embodiment of the present invention；
Fig. 6 is the structural representation of another embodiment of electric terminal provided by the invention；
Fig. 7 is the structural representation of identification unlocked state provided in an embodiment of the present invention；
Fig. 8 is the structural representation of another embodiment of electric terminal provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the 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
, and it is not intended to be limiting the present invention." one of singulative used in the embodiment of the present invention and appended claims
Kind ", " described " and "the" are also intended to including most forms, unless context clearly shows that other implications.It is also understood that this
Term "and/or" used herein refers to and comprising any or all possible group associated of list items purpose of one or more
Close.
The embodiment of the invention discloses a kind of unlocking screen method of electric terminal, realizes quick screen unblock.With reference to
Accompanying drawing is described in detail.
The schematic flow sheet of the unlocking screen method of electric terminal provided in an embodiment of the present invention as shown in Figure 1, including：
Step S100：Unlocked by fingerprint triggering command is obtained, and current collection is judged according to the unlocked by fingerprint triggering command
Target fingerprint group belonging to the image got；
Specifically, electric terminal can pre-set a lot of difference unlocked by fingerprint triggering command and correspond to different fingerprints
Group, such as the corresponding one group of fingerprint group of the first sliding trace, the second sliding trace correspond to another group of fingerprint group, press certain predetermined physical
Button corresponds to another group of fingerprint group, etc. again, and the present invention is not restricted for the form of unlocked by fingerprint triggering command.So work as electricity
After sub- terminal is currently received a unlocked by fingerprint triggering command, by the corresponding relation pre-set, it can learn current
Gather the fingerprint group (being the target fingerprint group belonging to current acquired image) corresponding to the image got
Step S102：Frequency of use highest tuning parameter proceeds by debugging ginseng from the target fingerprint group of record
Several adjust automaticallies, and debugged using the tuning parameter after each adjustment to currently gathering the image got；
Specifically, when electric terminal is by acquisition module, such as fingerprint sensor etc., the fingerprint image of user's input is collected
, it is necessary to repeatedly adjust tuning parameter during picture, the tuning parameter in the embodiment of the present invention includes automatic suitable solution (Capacity
Auto Control, CAC) parameter, the image collected is handled by the tuning parameter after adjusting every time, so as to
Some collection images are obtained, and finally choose the best image of definition as the image for being subsequently identified.
It should be noted that before step S102, the unlocking screen method of the electric terminal of the embodiment of the present invention is each
After collecting image and finally have chosen the best image of definition, each unlocked by fingerprint triggering command processing can be recorded in
Obtain the tuning parameter used corresponding to the best image of the definition, then before step S102 is performed, you can according to note
The tuning parameter that uses when the upper n times of record choose collection image, and corresponding to default different unlocked by fingerprint triggering commands it is more
Individual different fingerprint groups, count frequency of use highest tuning parameter in each fingerprint group；The N is positive integer.Specifically, according to
Pre-set a lot of difference unlocked by fingerprint triggering command and correspond to different fingerprint groups, each unlocked by fingerprint triggering command is corresponding
To the statistics of certain group fingerprint group, then the most tuning parameter of each fingerprint group access times, the access times can be counted
Most tuning parameters can be thought to count frequency of use highest tuning parameter in the embodiment of the present invention.
It should be noted that the tuning parameter in each embodiment of the present invention can include following at least one：
Gain gain parameters, digital-to-analogue converter (Analog-to-digital converter, ADC) parameter, pixel gain
Pixel gain parameters, etc. parameter.
Again specifically, step S102 is using the frequency of use highest tuning parameter as benchmark, from the frequency of use highest
Tuning parameter proceed by adjust automatically, adjust automatically in the embodiment of the present invention can be adjusted automatically with millisecond rank
It is whole, and debugged using the tuning parameter after each adjustment to currently gathering the image got, after obtaining each debugging
Image.
Step S104：Target image is chosen from the image after each debugging；
Specifically, definition highest image can be chosen as target image, for subsequently carrying out image recognition unblock.
It is possible to further pass through the signal noise ratio (snr) of image of the image after each debugging of com-parison and analysis, it is believed that the maximum figure of signal noise ratio (snr) of image
Picture as definition highest, best image, it is used as target image so as to choose the maximum image of signal noise ratio (snr) of image.
Step S106：Identify whether the target image meets unlocking condition, and when identification meets to electric terminal
Screen is unlocked.
Specifically, electric terminal can pre-set 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 default unlocking condition,
The screen of electric terminal can be unlocked.
By 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), CAC parameter is Protean, but for an independent electric terminal and list
An only user, i.e., the service condition of daily middle domestic consumer.Because finger print acquisition module performance is determined when dispatching from the factory
Fixed, the finger of user is also fixed.Therefore, when carrying out currently this collection image, the fingerprint according to acquisition is passed through
Unlock trigger instruction judges currently to gather the target fingerprint group belonging to the image got, from the target fingerprint group of record
Frequency of use highest tuning parameter proceeds by the adjust automatically of tuning parameter, and uses the tuning parameter pair after adjustment every time
Currently gather the image got to be debugged, and target image is chosen from the image after each debugging, identify the mesh
Logo image meets to be unlocked the screen of electric terminal during unlocking condition, realizes and only tuning parameter need to be adjusted several times
It can complete to adopt figure, the number of tuning parameter adjustment can be greatlyd save, solve and generally require in the prior art by tens times
Even hundreds of times to adopted caused by the adjustment of tuning parameter the figure time it is longer the problem of, greatly reduce and adopt the figure time, improve
Figure efficiency is adopted, screen solution can be further improved to adjust the tuning parameter used during collection fingerprint image by different fingerprint groups
Speed is locked, reduces the unlocking screen time, meets the demand that user security rapidly carries out unlocking screen, improves user's solution
Lock body is tested.
Further, illustrated below so that electric terminal is mobile terminal as an example, 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 provided with dome keys, and user presses the dome keys by finger and just triggers unlocking screen.For a user, for
Bright screen unlocks, and the time for experiencing unlocking screen is to show the time that unlock interface is undergone to the end since hand touches fingerprint；
For putting out screen unlocks, time for experiencing unlocking screen is bright screen and to show that unlock interface is passed through to the end since hand touches fingerprint
The time gone through；And for putting out screen being unlocked by pressing, the time for experiencing unlocking screen is that bright screen is simultaneously to the end from hand pressing dome keys
The time that display unlock interface is undergone.
It should be noted that the dome keys in the embodiment of the present invention, can also be dome pieces, it can be one piece and include gold
Belong to poly terephthalic acid class plastics (Polyethylene terephthalate, PET) thin slice of shell fragment (metal dome), used in print
Circuit board (Printed Circuit Board, PCB) processed or flexible PCB (Flexible Printed Circuit
Board, FPC) etc. used as switch on wiring board, 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 gather the fingerprint image of user, the dome keys can be with
Be arranged on the positions such as the front, the back side or side of electric terminal, 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 not restricted.
Below for putting out screen being unlocked by pressing, the screen solution of the electric terminal provided in an embodiment of the present invention with reference to shown in Fig. 2
Principle schematic flow diagram is locked, then unlocking screen method provided in an embodiment of the present invention is described in detail：
Electric terminal is pressed before the operational order of the pressing dome keys of user's input is received by the dome
Key detects that the finger of user touches, i.e., interrupt requests (Interrupt Request, IRQ) produce interruption, then can touch
Hair, which performs, obtains unlocked by fingerprint triggering command, and the image got is currently gathered according to unlocked by fingerprint triggering command judgement
The step of affiliated target fingerprint group；The specific step may be referred to above-mentioned steps S100 description, repeat no more here.So
Afterwards, frequency of use highest tuning parameter proceeds by the adjust automatically of tuning parameter from the target fingerprint group of record,
And debugged using the tuning parameter after each adjustment to currently gathering the image got, can be each time by com-parison and analysis
The signal noise ratio (snr) of image of image after debugging, it is believed that the maximum image of signal noise ratio (snr) of image is definition highest, best image, from
And choose the maximum image of signal noise ratio (snr) of image and be used as target image；
Finally, identify whether the target image matches with the default image for being used to unlock 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
Instruct, i.e., user press dome keys the step of, you can with user by finger touch fingerprint after, fingerprint module collection
Before fingerprint image；Or can also be after fingerprint module gathers fingerprint image, before completion image recognition matching；Or can be with
After image recognition matching is completed, before unblock is completed.
It should be noted that if image recognition fails in the embodiment of the present invention, then unlocking screen will not be performed, can be with
The prompt message of recognition failures is exported to user.
By the embodiment of the present invention, can not only solve and generally require in the prior art by tens times even hundreds of times
To adopted caused by the adjustment of tuning parameter the figure time it is longer the problem of, greatly reduce and adopt the figure time, improve and adopt figure efficiency, and
And in the case that user's pressing dome keys are less fast (such as after completing image recognition matching, before unblock completion
Press dome keys), it can will further experience the sensation of moment unblock bright screen.
For the ease of preferably implementing the such scheme of the embodiment of the present invention, the present invention is also corresponding to provide a kind of electronics end
End, the structural representation of electric terminal provided in an embodiment of the present invention as shown in Figure 3, electric terminal 30 can obtain including instruction
Modulus block 300, judge module 302, adjustment debugging module 304, selection module 306 and identification unlocked state 308, wherein
Instruction acquisition module 300 is used to obtain unlocked by fingerprint triggering command；
Judge module 302 is used to currently be gathered according to unlocked by fingerprint triggering command judgement belonging to the image got
Target fingerprint group；
Debugging module 304 is adjusted to be used for since the target fingerprint group of record frequency of use highest tuning parameter
The adjust automatically of tuning parameter is carried out, and is adjusted using the tuning parameter after each adjustment to currently gathering the image got
Examination；
Module 306 is chosen to be used to choose target image from the image after each debugging；
Identification unlocked state 308 is used to identify whether the target image meets unlocking condition, and when identification meets pair
The screen of electric terminal is unlocked.
Specifically, the structural representation of another embodiment of electric terminal provided by the invention as shown in Figure 4, electronics are whole
End 30 includes instruction acquisition module 300, judge module 302, adjustment debugging module 304, selection module 306 and identification unlocked state
Outside 308, it can also include：Statistical module 3010, for making in the target fingerprint group of the adjustment debugging module 304 from record
Before proceeding by the adjust automatically of tuning parameter with frequency highest tuning parameter, collection figure is chosen according to the upper n times of record
As when the tuning parameter that uses, and multiple different fingerprint groups corresponding to default different unlocked by fingerprint triggering commands count
Frequency of use highest tuning parameter in each fingerprint group；The N is positive integer.
Specifically, the structural representation provided in an embodiment of the present invention for choosing module as shown in Figure 5, chooses module 306
It can include：Comparing unit 3060 and selection elementary area 3062, wherein,
The signal noise ratio (snr) of image for the image that comparing unit 3060 is used for after more each debugging；
It is target image to choose elementary area 3062 to be used to choose the maximum image of signal noise ratio (snr) of image.
Further, electric terminal 30 is provided with dome keys, and user presses the dome keys by finger and triggers screen
Unblock；When electric terminal 30, which is in, puts out screen screen lock state, another implementation of electric terminal provided by the invention as shown in Figure 6
The structural representation of example, electric terminal 30 include instruction acquisition module 300, judge module 302, adjustment debugging module 304, selection
Outside module 306, identification unlocked state 308 and statistical module 3010, it can also include：Trigger module 3012, for receiving
Before the operational order for pressing the dome keys, when detecting that finger touches by the dome keys, triggering command obtains mould
Block 300 performs the step of obtaining unlocked by fingerprint triggering command.
Yet further, the structural representation of identification unlocked state provided in an embodiment of the present invention as shown in Figure 7, identification
Unlocked state 308 can include：Matching unit 3080 and unblock bright screen unit 3082 are identified, wherein,
Identification matching unit 3080 be used for identify the target image with it is default be used for unlock authentication image whether
Match somebody with somebody；
Unlock bright screen unit 3082 to be used for when the identification identification matching of matching unit 3080, and receive the pressing dome
After the operational order of button, the screen of electric terminal 30 is unlocked and lights screen.
Yet further, the tuning parameter in the embodiment of the present invention includes following at least one：
Gain parameter, digital-to-analogue converter parameter, pixel gain parameter etc..
Referring to Fig. 8, Fig. 8 is the structural representation of another embodiment of electric terminal provided by the invention.Wherein, as schemed
Shown in 8, electric terminal 80 can include：At least one processor 801, such as CPU, at least one network interface 804, Yong Hujie
Mouth 803, memory 805, at least one communication bus 802 and display screen 806.Wherein, communication bus 802 is used to realize these
Connection communication between component.Wherein, user interface 803 can include finger print acquisition module or fingerprint collecting equipment, keyboard or
Mouse etc..Network interface 804 can optionally include wireline interface, the wave point (such as WI-FI interfaces) of standard.Memory
805 can be high-speed RAM memory or non-labile memory (non-volatile memory), for example, at least
One magnetic disk storage, memory 805 include the flash in the embodiment of the present invention.Memory 805 optionally can also be at least
One storage system for being located remotely from aforementioned processor 801.As shown in figure 8, as a kind of memory of computer-readable storage medium
Operating system, network communication module, Subscriber Interface Module SIM and unlocking screen program can be included in 805.
Processor 801 can be used for calling the unlocking screen program stored in memory 805, and perform following operate：
Unlocked by fingerprint triggering command is obtained by the finger print acquisition module in user interface 803, and according to the fingerprint solution
Lock triggering command judges currently to gather the target fingerprint group belonging to the image got；
Frequency of use highest tuning parameter proceeds by the automatic of tuning parameter from the target fingerprint group of record
Adjustment, and debugged using the tuning parameter after each adjustment to currently gathering the image got；
Target image is chosen from the image after each debugging；
Identify whether the target image meets unlocking condition, and the screen of electric terminal is solved when identification meets
Lock.
Specifically, processor 801 enters since the target fingerprint group of record frequency of use highest tuning parameter
Before the adjust automatically of row tuning parameter, it can also carry out：
The tuning parameter used when choosing collection image according to the upper n times of record, and default different unlocked by fingerprint touch
Multiple different fingerprint groups corresponding to sending instructions, count frequency of use highest tuning parameter in each fingerprint group；The N is just
Integer.
Specifically, processor 801 chooses target image from the image after each debugging, including：
Compare the signal noise ratio (snr) of image of the image after each debugging；
It is target image to choose the maximum image of signal noise ratio (snr) of image.
Specifically, electric terminal 80 can be provided with dome keys, and user presses the dome keys triggering screen by finger
Curtain unblock；When electric terminal 80, which is in, puts out screen screen lock state, processor 801 also performs：
Before the operational order for pressing the dome keys is received, detect that finger touches by the dome keys
When, triggering performs described the step of obtaining unlocked by fingerprint triggering command.
Specifically, processor 801 identifies whether the target image meets unlocking condition, and when identification meets to electronics
The screen of terminal is unlocked, including：
Identify whether the target image matches with the default image for being used to unlock authentication；
When identification matching, and after the operational order for pressing the dome keys is received, the screen of electric terminal is entered
Row unlocks and lights screen.
It should be noted that the electric terminal 30 or electric terminal 80 in the embodiment of the present invention include but is not limited to mobile electricity
Words, removable computer, tablet personal computer, personal digital assistant (Personal Digital Assistant, PDA), media player,
The user equipmenies such as intelligent television, intelligent watch, intelligent glasses, Intelligent bracelet.
It should be noted that the function of 80 each functional module of electric terminal 30 or electric terminal in the embodiment of the present invention can
Method specific implementation in above method embodiment, its specific implementation process are referred to the correlation of above method embodiment
Description, here is omitted.
In summary, by according to the unlocked by fingerprint triggering command of acquisition judge currently gather the image got belonging to
Target fingerprint group, frequency of use highest tuning parameter proceeds by oneself of tuning parameter from the target fingerprint group of record
Dynamic adjustment, and debugged using the tuning parameter after each adjustment to currently gathering the image got, and debugged from each time
Target image is chosen in image afterwards, the screen of electric terminal is solved when identifying that the target image meets unlocking condition
Lock, adjustment several times need to only be carried out to tuning parameter by, which realizing, can complete to adopt figure, can greatly save the number of tuning parameter adjustment,
Solve generally require in the prior art by tens times even hundreds of times to adopted caused by the adjustment of tuning parameter the figure time compared with
The problem of long, greatly reduce and adopt the figure time, improve and adopt figure efficiency, when gathering fingerprint image by different fingerprint groups to adjust
The tuning parameter used can further improve unlocking screen speed, reduce the unlocking screen time, it is fast to meet user security
The demand of unlocking screen is carried out fastly, is improved user and is unlocked experience.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention can not being limited with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and weighed according to the present invention
Profit requires made equivalent variations, still falls within and invents covered scope.
Claims (11)
1. a kind of unlocking screen method of electric terminal, it is characterised in that including：
Unlocked by fingerprint triggering command is obtained, and the image institute got is currently gathered according to unlocked by fingerprint triggering command judgement
The target fingerprint group of category；
Frequency of use highest tuning parameter proceeds by the adjust automatically of tuning parameter from the target fingerprint group of record,
And debugged using the tuning parameter after each adjustment to currently gathering the image got；
Target image is chosen from the image after each debugging；
Identify 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, it is characterised in that frequency of use is most in the target fingerprint group from record
Before high tuning parameter proceeds by the adjust automatically of tuning parameter, in addition to：
The tuning parameter used when choosing collection image according to the upper n times of record, and default different unlocked by fingerprint triggerings refer to
Multiple different fingerprint groups corresponding to order, count frequency of use highest tuning parameter in each fingerprint group；The N is just whole
Number.
3. the method as described in claim 1, it is characterised in that target image is chosen in the image from after each debugging,
Including：
Compare the signal noise ratio (snr) of image of the image after each debugging；
It is target image to choose the maximum image of signal noise ratio (snr) of image.
4. the method as described in claim 1, it is characterised in that the electric terminal is provided 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, methods described also includes：
Before the operational order for pressing the dome keys is received, when detecting that finger touches by the dome keys, touch
Hair performs the step of acquisition unlocked by fingerprint triggering command.
5. method as claimed in claim 4, it is characterised in that whether the identification target image meets unlocking condition,
And the screen of electric terminal is unlocked when identification meets, including：
Identify whether the target image matches with the default image for being used to unlock authentication；
When identification matching, and after the operational order for pressing the dome keys is received, the screen of electric terminal is solved
Lock and light screen.
A kind of 6. electric terminal, it is characterised in that including：
Instruction acquisition module, for obtaining unlocked by fingerprint triggering command；
Judge module, refer to for the target belonging to currently gathering the image got according to unlocked by fingerprint triggering command judgement
Line group；
Adjust debugging module, for from the target fingerprint group of record frequency of use highest tuning parameter proceed by tune
The adjust automatically of parameter is tried, and is debugged using the tuning parameter after each adjustment to currently gathering the image got；
Module is chosen, for choosing target image from the image after each debugging；
Unlocked state is identified, for identifying whether the target image meets unlocking condition, and it is whole to electronics when identification meets
The screen at end is unlocked.
7. electric terminal as claimed in claim 6, it is characterised in that also include：
Statistical module, for the frequency of use highest debugging in the target fingerprint group of the adjustment debugging module from record
Before parameter proceeds by the adjust automatically of tuning parameter, the debugging used when choosing collection image according to the upper n times of record is joined
Number, and multiple different fingerprint groups corresponding to default different unlocked by fingerprint triggering commands, count and are used in each fingerprint group
Frequency highest tuning parameter；The N is positive integer.
8. electric terminal as claimed in claim 6, it is characterised in that the selection module includes：
Comparing unit, the signal noise ratio (snr) of image for the image after more each debugging；
Elementary area is chosen, is target image for choosing the maximum image of signal noise ratio (snr) of image.
9. electric terminal as claimed in claim 6, it is characterised in that the electric terminal is provided with dome keys, and user passes through
Finger presses the dome keys triggering unlocking screen；When the electric terminal, which is in, puts out screen screen lock state, the electronics is whole
End also includes：
Trigger module, for before the operational order for pressing the dome keys is received, being detected by the dome keys
When finger touches, trigger the instruction acquisition module and perform the step of obtaining unlocked by fingerprint triggering command.
10. electric terminal as claimed in claim 9, it is characterised in that the identification unlocked state includes：
Matching unit is identified, for identifying whether the target image matches with the default image for being used to unlock authentication；
Bright screen unit is unlocked, for being matched when the identification matching unit identification, and is receiving the pressing dome keys
After operational order, the screen of electric terminal is unlocked and lights screen.
A kind of 11. electric terminal, it is characterised in that including：Processor, memory and fingerprint collecting equipment；Wherein, the finger
Line collecting device is used to gather fingerprint image；The processor is used for the method described in perform claim requirement any one of 1-5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610353387.8A CN106022049B (en) | 2016-05-24 | 2016-05-24 | The unlocking screen method and electric terminal of a kind of electric terminal |
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| CN201610353387.8A CN106022049B (en) | 2016-05-24 | 2016-05-24 | The unlocking screen method and electric terminal of a kind of electric terminal |
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| CN106022049B true CN106022049B (en) | 2017-12-19 |
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| CN113705545A (en) * | 2021-10-28 | 2021-11-26 | 深圳市亚略特生物识别科技有限公司 | Fingerprint acquisition method and device, electronic equipment and readable storage medium |
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| JP4405656B2 (en) * | 2000-10-20 | 2010-01-27 | 富士通株式会社 | Personal authentication system using fingerprint information and registration / authentication method for the same |
| JP3948283B2 (en) * | 2002-01-09 | 2007-07-25 | カシオ計算機株式会社 | Image data collation method, image data collation apparatus, and program |
| CN101777115B (en) * | 2009-11-25 | 2012-02-15 | 中国科学院自动化研究所 | Safe fingerprint verification method and system |
| CN103942481A (en) * | 2014-05-04 | 2014-07-23 | 上海鼎为电子科技（集团）有限公司 | Application access method and mobile terminal |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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