CN106203034A - A kind of unlocked by fingerprint method and terminal - Google Patents
A kind of unlocked by fingerprint method and terminal Download PDFInfo
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- CN106203034A CN106203034A CN201610503615.5A CN201610503615A CN106203034A CN 106203034 A CN106203034 A CN 106203034A CN 201610503615 A CN201610503615 A CN 201610503615A CN 106203034 A CN106203034 A CN 106203034A
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- fingerprint template
- fingerprint
- preset
- preset fingerprint
- template
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
Abstract
The embodiment of the invention discloses a kind of unlocked by fingerprint method and terminal, the method includes: obtain fingerprint image, this fingerprint image is mated with M preset fingerprint template of the first kind fingerprint template in preset fingerprint template set, this preset fingerprint template set also comprises Equations of The Second Kind fingerprint template, it comprises M preset fingerprint template of N, this N number of preset fingerprint template belongs to same fingerprint, this N is the integer more than M, this M is positive integer, any one in this fingerprint image and this M preset fingerprint template is time the match is successful, M preset fingerprint template of this fingerprint image and this N is mated, any one in this fingerprint image and M preset fingerprint template of this N is time the match is successful, realize unlocked by fingerprint.First fingerprint image can be mated with first kind fingerprint template by the embodiment of the present invention, if the match is successful, just mate with Equations of The Second Kind fingerprint template, therefore, matching efficiency can be improved, to promote unlocked by fingerprint efficiency.
Description
Technical field
The present invention relates to technical field of electronic equipment, particularly relate to a kind of unlocked by fingerprint and terminal.
Background technology
Along with the fast development of information technology, the use of terminal (such as mobile phone, panel computer etc.) is more and more universal.Fingerprint
Identification technology as the standard configuration technology in terminal, fingerprint identification technology can be not only used for terminal unblock, wake up up, mobile payment
It is used widely in etc..While fingerprint identification technology is popular, in order to realize quick release, the unlocked time of terminal is also
It it is the direct concern of terminal manufacturer.
Under normal circumstances, in terminal can the fingerprint of the multiple finger of typing, each fingerprint has one one's own to preset
Fingerprint template collection, comprises multiple preset fingerprint template, therefore, is realizing the process of unlocked by fingerprint in this preset fingerprint template set
In, often multiple preset fingerprint template sets corresponding with multiple fingerprints for the fingerprint image of collection are mated, thus, fingerprint
Unlock inefficient.
Summary of the invention
Embodiments provide a kind of unlocked by fingerprint method and terminal, to improving unlocked by fingerprint efficiency.
Embodiment of the present invention first aspect provides a kind of unlocked by fingerprint method, including:
Obtain fingerprint image；
M preset fingerprint template of described fingerprint image with the first kind fingerprint template in preset fingerprint template set is carried out
Coupling, wherein, described preset fingerprint template set also comprises Equations of The Second Kind fingerprint template, and it comprises N-M preset fingerprint template, described
N number of preset fingerprint template belongs to same fingerprint, and described N is the integer more than described M, and described M is positive integer；
Any one in described fingerprint image and described M preset fingerprint template is time the match is successful, by described fingerprint
Image mates with described N-M preset fingerprint template；
Any one in described fingerprint image and described N-M preset fingerprint template is time the match is successful, it is achieved fingerprint
Unlock.
Embodiment of the present invention second aspect provides a kind of terminal, including:
Acquiring unit, is used for obtaining fingerprint image；
Matching unit, for the described fingerprint image and first in preset fingerprint template set that are obtained by described acquiring unit
M preset fingerprint template of class fingerprint template is mated, and wherein, described preset fingerprint template set also comprises Equations of The Second Kind fingerprint mould
Plate, it comprises N-M preset fingerprint template, and described N number of preset fingerprint template belongs to same fingerprint, and described N is more than described M
Integer, described M is positive integer；
Described matching unit, is additionally operable to:
What the matching result at described matching unit was described fingerprint image with described M preset fingerprint template is any one
Individual time the match is successful, described fingerprint image is mated with described N-M preset fingerprint template；
Solve lock unit, refer to for being that described fingerprint image is default with described N-M at the matching result of described matching unit
Any one in stricture of vagina template is time the match is successful, it is achieved unlocked by fingerprint.
The embodiment of the present invention third aspect provides a kind of terminal, including:
Processor and memorizer；
Wherein, described processor, for calling the described executable program code in described memorizer, performs first aspect
Some or all of step.
Implement the embodiment of the present invention, have the advantages that
It can be seen that the embodiment of the present invention is by obtaining fingerprint image, by fingerprint image and preset fingerprint template set
M preset fingerprint template of first kind fingerprint template is mated, and wherein, preset fingerprint template set also comprises Equations of The Second Kind fingerprint mould
Plate, it comprises N-M preset fingerprint template, and N number of preset fingerprint template belongs to same fingerprint, and N is the integer more than M, and M is just
Integer, any one in fingerprint image and M preset fingerprint template is time the match is successful, and fingerprint image is default with N-M
Fingerprint template mates, and any one in fingerprint image and N-M preset fingerprint template is time the match is successful, it is achieved fingerprint
Unlock.Thus, when fingerprint image mates with multiple preset fingerprint templates, can be first by fingerprint image and first kind fingerprint mould
Plate mates, if the match is successful, just mates with Equations of The Second Kind fingerprint template, therefore, can improve matching efficiency, refers to promote
Stricture of vagina unlocks efficiency.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below by use required in embodiment
Accompanying drawing is briefly described, it should be apparent that, the accompanying drawing in describing below is some embodiments of the present invention, general for this area
From the point of view of logical technical staff, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the first embodiment of a kind of unlocked by fingerprint method disclosed in the embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the second embodiment of a kind of unlocked by fingerprint method disclosed in the embodiment of the present invention；
Fig. 3 a is the structural representation of the first embodiment of a kind of terminal disclosed in the embodiment of the present invention；
Fig. 3 b is the structural representation of the matching unit of the terminal described in Fig. 3 a disclosed in the embodiment of the present invention；
Fig. 3 c is the another structural representation of the first embodiment of a kind of terminal disclosed in the embodiment of the present invention；
Fig. 3 d is the another structural representation of the first embodiment of a kind of terminal disclosed in the embodiment of the present invention；
Fig. 4 is the structural representation of the second embodiment of a kind of terminal disclosed in the embodiment of the present invention；
Fig. 5 is the structural representation of a kind of mobile phone disclosed in the embodiment of the present invention.
Detailed description of the invention
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
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
Term " first ", " second ", " the 3rd " and " in description and claims of this specification and described accompanying drawing
Four " it is etc. for distinguishing different object rather than for describing particular order.Additionally, term " includes " and " having " and it
Any deformation, it is intended that cover non-exclusive comprising.Such as contain series of steps or the process of unit, method, be
System, product or equipment are not limited to step or the unit listed, but the most also include step or the list do not listed
Unit, or the most also include other step intrinsic for these processes, method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can be wrapped in conjunction with the embodiments
It is contained at least one embodiment of the present invention.It is identical that each position in the description occurs that this phrase might not each mean
Embodiment, be not and the independent of other embodiments mutual exclusion or alternative embodiment.Those skilled in the art explicitly and
Implicitly being understood by, embodiment described herein can combine with other embodiments.
Terminal described by the embodiment of the present invention can include smart mobile phone (as Android phone, iOS mobile phone,
Windows Phone mobile phone etc.), panel computer, palm PC, notebook computer, mobile internet device (MID, Mobile
Internet Devices) or Wearable etc., above-mentioned terminal is only citing, and non exhaustive, including but not limited to above-mentioned end
End.
Refer to Fig. 1, for the first embodiment schematic flow sheet of a kind of unlocked by fingerprint that the embodiment of the present invention provides.This reality
Execute the unlocked by fingerprint described in example, comprise the following steps:
101, fingerprint image is obtained.
In implementing, during user presses fingerprint recognition module, terminal can be determined by fingerprint recognition module
The acquisition range of fingerprint recognition module, and above-mentioned acquisition range is divided into multiple region, obtain signal to noise ratio in the plurality of region
The maximum fingerprint image corresponding to region.Wherein, acquisition range be primarily referred to as user press fingerprint recognition module by being pressed with
Effect scope, fingerprint recognition module is gathered pixel by multiple induction electrodes of fingerprint collecting chip, in the position institute not being pressed
The capacitance of corresponding induction electrode collection is 0, and the capacitance that the induction electrode corresponding to the position being pressed gathers is more than 0.
Alternatively, fingerprint image can be the fingerprint image gathered during user presses fingerprint recognition module, or,
It can be the fingerprint image being saved in this locality.
Alternatively, step 101 can also comprise the steps of:
11), when user presses fingerprint recognition module, described fingerprint recognition module is utilized to gather multiple capacitances；
12), the plurality of capacitance region is divided into many sub regions；
13), each subregion from the plurality of subregion chooses at least one capacitance；
14), the average of the capacitance chosen described in calculating；
15), according to described average, the plurality of capacitance is carried out binary conversion treatment；
16), the plurality of capacitance after binary conversion treatment is converted into fingerprint image.
From the foregoing, above-mentioned multiple capacitance can be user press fingerprint recognition module during, capacitance occur
Multiple capacitances of change can generate fingerprint image.Specifically, multiple capacitance regions can be divided into many sub regions,
The number of subregion can be 2,3,4 etc., the pixel number that each subregion comprises can identical or parton district
The pixel number in territory is identical.Then each subregion from many sub regions the most at least selects a capacitance, so
The purpose done is can to sample capacitance in regional extent as much as possible, then, is taken all by the capacitance obtained
Value, using average as binary-state threshold, so can improve the accuracy of binary-state threshold so that the fingerprint image after binary conversion treatment
As comprising characteristic point or feature lines as far as possible.
102, by M preset fingerprint template of described fingerprint image with the first kind fingerprint template in preset fingerprint template set
Mating, wherein, described preset fingerprint template set also comprises Equations of The Second Kind fingerprint template, and it comprises N-M preset fingerprint template,
Described N number of preset fingerprint template belongs to same fingerprint, and described N is the integer more than described M, and described M is positive integer.
Wherein, preset fingerprint template set comprises the N number of preset fingerprint template belonging to same fingerprint, this N number of preset fingerprint mould
Plate comprises two class fingerprint templates, first kind fingerprint template comprises M preset fingerprint template, Equations of The Second Kind fingerprint template comprises
N-M preset fingerprint template, N is the integer more than M, and M is positive integer.As to how N number of pre-by preset fingerprint template set
If fingerprint template is divided into two classes, refer in the following manner, such as, randomly select M preset fingerprint in N number of preset fingerprint template
Template is as first kind fingerprint template, then, using remaining preset fingerprint template as Equations of The Second Kind fingerprint template；The most such as, by N
Individual preset fingerprint template is ranked up according to being matched successful number of times order from more to less, will be matched successful number of times
M few preset fingerprint template is as first kind fingerprint template, then, using remaining preset fingerprint template as Equations of The Second Kind fingerprint
Template.
Alternatively, step 102 can comprise the steps of
21) characteristic point of described fingerprint image, is extracted；
22), the characteristic point of M preset fingerprint template of the first kind fingerprint template obtained in preset fingerprint template set, must
To described M stack features point；
23), according to described feature point number many priority match principle, the characteristic point of described fingerprint image is special with described M group
Levy and a little mate.
The characteristic point of image from the foregoing, it will be observed that can take the fingerprint, wherein, the extraction algorithm of characteristic point can include but not only limit
In: Harris Robust Algorithm of Image Corner Extraction, scale invariant feature extraction algorithm (Scale Invariant Feature Transform,
SIFT) etc., can be the most also other algorithms, not limit at this.In like manner, default finger is extracted the most respectively
The characteristic point of M preset fingerprint template of the first kind fingerprint template in stricture of vagina template set, each preset fingerprint template all comprises one
Stack features point.Certainly, the characteristic point of M preset fingerprint template of the first kind fingerprint template in preset fingerprint template set can held
Predefine before row step 101, then, preserve above-mentioned M stack features point.This M stack features point can be ranked up, then, press
According to feature point number many priority match principle, the characteristic point of fingerprint image is mated with M stack features point, i.e. first by M group
One group that in characteristic point, feature point number is most mates with fingerprint image, if it fails to match, then by the spy in M stack features point
Levy one group of a number more than second to mate with fingerprint image, by that analogy.
Alternatively, certain step 102 can also use multiple thread or process, and is about to fingerprint image and preset fingerprint
M preset fingerprint template of the first kind fingerprint template in template set is mated, and such as, M process, each process is used to
Fingerprint image is mated with in M preset fingerprint template.
Alternatively, can also be according to random order by fingerprint image and first in preset fingerprint template set in step 102
M preset fingerprint template of class fingerprint template is mated.
Alternatively, when fingerprint image does not mates with M preset fingerprint template, then this fingerprint image can be described not
Come from the fingerprint belonging to M preset fingerprint template, then user can be pointed out to re-enter fingerprint image, or, by fingerprint image
As mating with other preset fingerprint template set.
103, any one in described fingerprint image and described M preset fingerprint template is time the match is successful, by described
Fingerprint image mates with described N-M preset fingerprint template.
Alternatively, step 103 can comprise the following steps that
31) matching frequency of described N-M preset fingerprint template, is obtained；
32), according to described matching frequency order from high to low by described fingerprint image and described N-M preset fingerprint mould
Plate mates.
From the foregoing, it will be observed that the matching frequency of N-M preset fingerprint template can obtain the most in advance, for arbitrarily
The matching frequency of one preset fingerprint template can calculate according to equation below:
Matching frequency=be matched number of times/unblock number of times；
Alternatively, owing in releasing process each time, the most all of preset fingerprint template is all matched, thus, some is pre-
If fingerprint template then will not be matched.Preset fingerprint template high for matching frequency preferentially can be entered with N-M preset fingerprint template
Row coupling, as long as in fingerprint image and N-M preset fingerprint template time the match is successful, then can perform step 104, work as finger
In print image and N-M preset fingerprint template one is time the match is successful, the remaining preset fingerprint template not being matched then
In secondary releasing process, do not mate.
104, any one in described fingerprint image and described N-M preset fingerprint template is time the match is successful, it is achieved
Unlocked by fingerprint.
Wherein, any one in fingerprint image and N-M preset fingerprint template time the match is successful, can realize fingerprint solution
Lock, this unlocked by fingerprint comprises the function needing to use fingerprint to be unlocked that each side in terminal relates to.Such as, in end
In putting out under screen state, it is achieved unlocked by fingerprint, the display screen of terminal is lighted, and is shown the desktop after unblock；Or, in end
Desktop under bright screen state, it is achieved unlocked by fingerprint, after display unblock；Or, it is under released state in terminal, can be to end
At least one application of end is unlocked, and i.e. starts this at least one application or a certain answering of showing in this at least one application
The default page；Or, it is in terminal and puts out under screen state, at least one application of terminal can be unlocked, i.e. start
This at least one application or show the default page of a certain application in this at least one application.Above-mentioned application can be that payment refers to
Stricture of vagina unlocks application, and file fingerprint unlocks application, or the unlocked by fingerprint application of other APP.The above-mentioned default page can be homepage,
Or, any page bound with fingerprint pre-set in a certain application.
It should be noted that in the present embodiment by the first kind fingerprint template in fingerprint image and preset fingerprint template set and
Equations of The Second Kind fingerprint template has carried out twice coupling, in twice matching process, can arrange two and unlock threshold value, respectively to step
The second unblock threshold value corresponding in the first corresponding unblock threshold value that in 102, the match is successful and step 103, wherein, first unlocks threshold
Value, less than or equal to the second unblock threshold value, below divides two application scenarios to be illustrated, specific as follows:
First application scenarios, when first unlocks threshold value less than the second unblock threshold value, can be by the coupling in step 102
Journey regards that the matching process in pre-matching, step 104 regards formal coupling as.It is assumed that terminal saves multiple default finger
Stricture of vagina template set, comprises multiple preset fingerprint template in each preset fingerprint template set, when user inputs fingerprint image, terminal without
Method quickly knows which preset fingerprint template set this fingerprint image belongs to, it is then desired to first determine which fingerprint image belongs to
Preset fingerprint template set, then, the more multiple preset fingerprint in the preset fingerprint template set that fingerprint image is belonged to it
Template is mated.Thus, in the present embodiment, can be by fingerprint image and each preset fingerprint in multiple preset fingerprint template sets
First kind fingerprint template in template set mates, if fingerprint image and the first kind fingerprint of some preset fingerprint template set
Template matching successfully, then illustrates that this fingerprint image probably belongs to this fingerprint corresponding to preset fingerprint template set, then, then incites somebody to action
Fingerprint image mates with the Equations of The Second Kind fingerprint template in this preset fingerprint template set, accordingly, because only with each default finger
Part preset fingerprint template in stricture of vagina template set is mated, and can reduce matching times, thus, improve unlocked by fingerprint efficiency.
Second application scenarios, when first unlocks threshold value equal to the second unblock threshold value, can be by the coupling in step 102
Journey regards coupling for the first time as, and the matching process in step 103 regards second time coupling as.Twice coupling, can improve terminal
Safety.
As seen from the above, mate with the multiple preset fingerprint templates in preset fingerprint template set at fingerprint image
Time, first fingerprint image can be mated with a part of fingerprint template, if the match is successful, just carry out with another part fingerprint template
Coupling, if mating unsuccessful, then prompting user re-enters fingerprint image, or, carry out with other preset fingerprint template sets
Joining, coupling is equivalent to pre-matching for the first time, if mating unsuccessful, then explanation fingerprint image is not from and preset fingerprint template
Corresponding fingerprint, then terminate matching process, if the match is successful, then explanation fingerprint image is result largely from and refers to presetting
The fingerprint that stricture of vagina template is corresponding, the when of having multiple preset fingerprint template set the most in the terminal, can improve matching efficiency, to carry
Rise unlocked by fingerprint efficiency.
With above-described embodiment as one man, refer to Fig. 2, for the of a kind of unlocked by fingerprint method that the embodiment of the present invention provides
Two embodiment schematic flow sheets.Unlocked by fingerprint method described in the present embodiment, comprises the following steps:
201, the N number of preset fingerprint template in preset fingerprint template set is mated two-by-two, obtain K matching value, its
In, described N number of preset fingerprint template belongs to same fingerprint, and described N, described K are positive integer.
Wherein, preset fingerprint template set comprises N number of preset fingerprint template, N number of preset fingerprint template is mated two-by-two
Being available K matching value, such as, tri-preset fingerprint templates of A, B, C, then can be mated by A with B, B with C mates,
A with C mates, and obtains three matching values.It is not difficult to know by permutation and combination knowledge, Permutation and combination belongs to
Prior art, the most too much illustrates at this.
202, the association of each preset fingerprint template in described N number of preset fingerprint template is determined according to described K matching value
Degree.
Alternatively, the above-mentioned degree of association may be defined as associating between each preset fingerprint template with other preset fingerprint templates
Degree, can basisIndividual matching value determines the degree of association of each preset fingerprint template in N number of preset fingerprint template, then, specifically
Comprise the steps of:
21), can determine that in preset fingerprint template i and N number of preset fingerprint template in addition to preset fingerprint template i other
N-1 matching value between preset fingerprint template, preset fingerprint template i is in N number of preset fingerprint template；
22), N-1 matching value sum is calculated；
23), the degree of association of preset fingerprint template i=N-1 matching value sum/N.
203, choose M the preset fingerprint template that in described N number of preset fingerprint template, the degree of association is minimum to refer to as the first kind
Stricture of vagina template, and by N-M preset fingerprint mould in addition to described M preset fingerprint template in described N number of preset fingerprint template
Plate is as Equations of The Second Kind fingerprint template, and described M is positive integer, and described N is more than described M.
Wherein, the N number of degree of association that can step 202 be obtained carries out ascending order and is ranked up, and chooses foremost
M preset fingerprint template as the first fingerprint template, other as Equations of The Second Kind fingerprint template.
204, fingerprint image is obtained.
205, described fingerprint image is mated with described M preset fingerprint template.
206, any one in described fingerprint image and described M preset fingerprint template is time the match is successful, by described
Fingerprint image mates with described N-M preset fingerprint template.
207, any one in described fingerprint image and described N-M preset fingerprint template is time the match is successful, it is achieved
Unlocked by fingerprint.
The specific explanations of the embodiment of the present invention refer to the explanation of embodiment step corresponding for Fig. 1, is not described in detail in this.
Below for implementing the device of the unlocked by fingerprint method described by Fig. 1 or Fig. 2, specific as follows:
Refer to Fig. 3 a, for the first embodiment structural representation of a kind of terminal that the embodiment of the present invention provides.This enforcement
Terminal described in example, including: acquiring unit 301, matching unit 302 conciliate lock unit 303, specific as follows:
Acquiring unit 301, is used for obtaining fingerprint image；
Matching unit 302, in the described fingerprint image obtained by described acquiring unit 301 and preset fingerprint template set
M preset fingerprint template of first kind fingerprint template mate, wherein, described preset fingerprint template set also comprises Equations of The Second Kind
Fingerprint template, it comprises N-M preset fingerprint template, and described N number of preset fingerprint template belongs to same fingerprint, and described N is big
In the integer of described M, described M is positive integer；
Described matching unit 302, is additionally operable to:
Matching result at described matching unit 302 is described fingerprint image and appointing in described M preset fingerprint template
When anticipating one the match is successful, described fingerprint image is mated with described N-M preset fingerprint template；
Solving lock unit 303, being used at the matching result of described matching unit 302 is that described fingerprint image is individual with described N-M
Any one in preset fingerprint template is time the match is successful, it is achieved unlocked by fingerprint.
Alternatively, the described matching unit 302 of the terminal as described by Fig. 3 b, Fig. 3 a includes:
Extraction module 3021, for extracting the characteristic point of described fingerprint image；
First acquisition module 3022, presets finger for obtaining M of the first kind fingerprint template in preset fingerprint template set
The characteristic point of stricture of vagina template, obtains described M stack features point；
Matching module 3023, is used for the feature of described fingerprint image according to described feature point number many priority match principle
Point mates with described M stack features point.
Alternatively, described acquiring unit 301 includes:
Acquisition module (does not marks in figure), for when user presses fingerprint recognition module, utilizes described fingerprint recognition mould
Group gathers multiple capacitances；
Divide module (not marking in figure), for the plurality of capacitance region is divided into many sub regions；
Choose module (not marking in figure), in each subregion from the plurality of subregion, choose at least one
Capacitance；
Computing module (does not marks in figure), is used for the average of the capacitance chosen described in calculating；
Processing module (does not marks in figure), for the plurality of capacitance being carried out binary conversion treatment according to described average；
Conversion module (does not marks in figure), for the plurality of capacitance after binary conversion treatment is converted into fingerprint image
Picture.
Alternatively, described matching unit 302 is additionally operable to:
Obtain the matching frequency of described N-M preset fingerprint template, and according to described matching frequency order from high to low
Described fingerprint image is mated with described N-M preset fingerprint template.
Terminal as described in Fig. 3 c, Fig. 3 a may also include that pre-matching unit 304, determines unit 305 and choosing alternatively
Take unit 306, specific as follows:
Pre-matching unit 304, for before described acquiring unit 301 obtains fingerprint image, by preset fingerprint template set
In N number of preset fingerprint template mate two-by-two, obtain K matching value, described K is positive integer；
Determine unit 305, for determining each default finger in described N number of preset fingerprint template according to described K matching value
The degree of association of stricture of vagina template；
Choose unit 306, for choosing M the preset fingerprint template that in described N number of preset fingerprint template, the degree of association is minimum
As first kind fingerprint template.
Alternatively, the terminal as described in Fig. 3 d, Fig. 3 a may also include that
Tip element 307, being used at the matching result of described matching unit 302 is that described fingerprint image is pre-with described M
If fingerprint template does not mates, prompting user re-enters fingerprint image,
Or,
Described matching unit 302 also particularly useful for:
Matching result at described matching unit 302 is described fingerprint image with described M preset fingerprint template the most not
Timing, mates described fingerprint image with other preset fingerprint template set.
Refer to Fig. 4, for the second example structure schematic diagram of a kind of terminal that the embodiment of the present invention provides.The present embodiment
Described in terminal, including at least one input equipment 1000；At least one outut device 2000；At least one processor
3000, such as CPU；With memorizer 4000, above-mentioned input equipment 1000, outut device 2000, processor 3000 and memorizer
4000 are connected by bus 5000.
Wherein, above-mentioned input equipment 1000 concretely contact panel, physical button or mouse, fingerprint recognition module etc.
Deng.
Above-mentioned outut device 2000 concretely display screen.
Above-mentioned memorizer 4000 can be high-speed RAM memorizer, it is possible to for non-labile memorizer (non-volatile
Memory), such as disk memory.Above-mentioned memorizer 4000 is used for storing batch processing code, above-mentioned input equipment 1000, defeated
Go out equipment 2000 and processor 3000 for calling in memorizer 4000 program code of storage, perform following operation:
Above-mentioned processor 3000, is used for:
Obtain fingerprint image；
M preset fingerprint template of described fingerprint image with the first kind fingerprint template in preset fingerprint template set is carried out
Coupling, wherein, described preset fingerprint template set also comprises Equations of The Second Kind fingerprint template, and it comprises N-M preset fingerprint template, described
N number of preset fingerprint template belongs to same fingerprint, and described N is the integer more than described M, and described M is positive integer；
Any one in described fingerprint image and described M preset fingerprint template is time the match is successful, by described fingerprint
Image mates with described N-M preset fingerprint template；
Any one in described fingerprint image and described N-M preset fingerprint template is time the match is successful, it is achieved fingerprint
Unlock.
Alternatively, above-mentioned processor 3000 is by described fingerprint image and the first kind fingerprint template in preset fingerprint template set
M preset fingerprint template mate, including:
Extract the characteristic point of described fingerprint image；
The characteristic point of M preset fingerprint template of the first kind fingerprint template in acquisition preset fingerprint template set, obtains institute
State M stack features point；
According to described feature point number many priority match principle by the characteristic point of described fingerprint image and described M stack features point
Mate.
Alternatively, above-mentioned processor 3000 obtains fingerprint image, including:
When user presses fingerprint recognition module, described fingerprint recognition module is utilized to gather multiple capacitances；
The plurality of capacitance region is divided into many sub regions；
Each subregion from the plurality of subregion chooses at least one capacitance；
The average of the capacitance chosen described in calculating；
According to described average, the plurality of capacitance is carried out binary conversion treatment；
The plurality of capacitance after binary conversion treatment is converted into fingerprint image.
Alternatively, described fingerprint image is mated by above-mentioned processor 3000 with described N-M preset fingerprint template, bag
Include:
Obtain the matching frequency of described N-M preset fingerprint template；
According to described matching frequency order from high to low, described fingerprint image is entered with described N-M preset fingerprint template
Row coupling.
Alternatively, before above-mentioned processor 3000 obtains fingerprint image, also particularly useful for:
N number of preset fingerprint template in preset fingerprint template set being mated two-by-two, obtain K matching value, described K is
Positive integer；
The degree of association of each preset fingerprint template in described N number of preset fingerprint template is determined according to described K matching value；
Choose M preset fingerprint template that in described N number of preset fingerprint template, the degree of association is minimum as first kind fingerprint mould
Plate.
Alternatively, above-mentioned processor 3000 is by described fingerprint image and the first kind fingerprint template in preset fingerprint template set
M preset fingerprint template mate after, also particularly useful for:
When described fingerprint image does not mates with described M preset fingerprint template, prompting user re-enters fingerprint image
Picture, or, described fingerprint image is mated with other preset fingerprint template set.
Fig. 5 is illustrated that the block diagram of the part-structure of the mobile phone relevant to the terminal of embodiment of the present invention offer.With reference to figure
5, mobile phone includes: radio frequency (Radio Frequency, RF) circuit 510, memorizer 520, input block 530, display unit 540,
Sensor 550, voicefrequency circuit 560, Wireless Fidelity (wireless fidelity, WiFi) module 570, processor 580 and
Power supply 590 parts such as grade.It will be understood by those skilled in the art that the handset structure shown in Fig. 5 is not intended that the restriction to mobile phone,
Can include that ratio illustrates more or less of parts, or combine some parts, or different parts are arranged.
Below in conjunction with Fig. 5 each component parts of mobile phone carried out concrete introduction:
RF circuit 510 can be used for receiving and sending messages or in communication process, the reception of signal and transmission, especially, by base station
After downlink information receives, process to processor 580；It addition, be sent to base station by designing up data.Generally, RF circuit 510
Include but not limited to antenna, at least one amplifier, transceiver, bonder, low-noise amplifier (Low Noise
Amplifier, LNA), duplexer etc..Additionally, RF circuit 510 can also be communicated with network and other equipment by radio communication.
Above-mentioned radio communication can use arbitrary communication standard or agreement, includes but not limited to global system for mobile communications (Global
System of Mobile communication, GSM), general packet radio service (General Packet Radio
Service, GPRS), CDMA (Code Division Multiple Access, CDMA), WCDMA
(Wideband Code Division Multiple Access, WCDMA), Long Term Evolution (Long Term Evolution,
LTE), Email, Short Message Service (Short Messaging Service, SMS) etc..
Memorizer 520 can be used for storing software program and module, and processor 580 is stored in memorizer 520 by operation
Software program and module, thus perform mobile phone various functions application and data process.Memorizer 520 can mainly include
Storage program area and storage data field, wherein, storage program area can store the application journey needed for operating system, at least one function
Sequence (such as sound-playing function, image player function etc.) etc.；Storage data field can store what the use according to mobile phone was created
Data (such as voice data, phone directory etc.) etc..Additionally, memorizer 520 can include high-speed random access memory, it is also possible to
Including nonvolatile memory, for example, at least one disk memory, flush memory device or other volatile solid-state
Part.
Input block 530 can be used for receiving numeral or the character information of input, and produce with the user setup of mobile phone with
And function controls relevant key signals input.Specifically, input block 530 can include that contact panel 531 and other inputs set
Standby 532.Contact panel 531, also referred to as touch screen, can collect user thereon or neighbouring touch operation (such as user uses
Any applicable object such as finger, stylus or adnexa operation on contact panel 531 or near contact panel 531), and root
Corresponding attachment means is driven according to formula set in advance.Optionally, contact panel 531 can include touch detecting apparatus and touch
Two parts of controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect the signal that touch operation brings,
Transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into touching
Point coordinates, then give processor 580, and order that processor 580 sends can be received and performed.Furthermore, it is possible to use electricity
The polytypes such as resistive, condenser type, infrared ray and surface acoustic wave realize contact panel 531.Except contact panel 531, input
Unit 530 can also include other input equipments 532.Specifically, other input equipments 532 can include but not limited to secondary or physical bond
One or more in dish, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Display unit 540 can be used for the various of the information that inputted by user of display or the information being supplied to user and mobile phone
Menu.Display unit 540 can include display floater 541, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the form such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) configure aobvious
Show panel 541.Further, contact panel 531 can cover display floater 541, when contact panel 531 detects thereon or attached
After near touch operation, send processor 580 to determine the type of touch event, with preprocessor 580 according to touch event
Type corresponding visual output is provided on display floater 541.Although in Figure 5, contact panel 531 and display floater 541
It is to realize input and the input function of mobile phone as two independent parts, but in some embodiments it is possible to by touch-control
Panel 531 is integrated with display floater 541 and realizes input and the output function of mobile phone.
Mobile phone may also include at least one sensor 550, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor can include ambient light sensor and proximity transducer, and wherein, ambient light sensor can be according to ambient light
Light and shade regulate the brightness of display floater 541, proximity transducer can cut out display floater 541 when mobile phone moves in one's ear
And/or backlight.As the one of motion sensor, accelerometer sensor can detect (generally three axles) acceleration in all directions
Size, can detect that size and the direction of gravity time static, can be used for identify mobile phone attitude application (such as horizontal/vertical screen is cut
Change, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；Also may be used as mobile phone
Other sensors such as the gyroscope of configuration, barometer, drimeter, thermometer, infrared ray sensor, do not repeat them here.
Voicefrequency circuit 560, speaker 561, microphone 562 can provide the audio interface between user and mobile phone.Audio-frequency electric
The signal of telecommunication after the voice data conversion that road 560 can will receive, is transferred to speaker 561, speaker 561 is converted to sound
Signal exports；On the other hand, the acoustical signal of collection is converted to the signal of telecommunication by microphone 562, voicefrequency circuit 560 turn after receiving
It is changed to voice data, then after voice data output processor 580 is processed, through RF circuit 510 to be sent to such as another mobile phone,
Or voice data is exported to memorizer 520 to process further.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WiFi module 570
Part, browsing webpage and access streaming video etc., it has provided the user wireless broadband internet and has accessed.Although Fig. 5 shows
WiFi module 570, but it is understood that, it is also not belonging to must be configured into of mobile phone, can not change as required completely
Omit in the scope of the essence becoming invention.
Processor 580 is the control centre of mobile phone, utilizes various interface and the various piece of the whole mobile phone of connection, logical
Cross operation or perform to be stored in the software program in memorizer 520 and/or module, and calling and be stored in memorizer 520
Data, perform the various functions of mobile phone and process data, thus mobile phone is carried out integral monitoring.Optionally, processor 580 can wrap
Include one or more processing unit；Preferably, processor 580 can integrated application processor and modem processor, wherein, should
Mainly process operating system, user interface and application program etc. with processor, modem processor mainly processes radio communication.
It is understood that above-mentioned modem processor can not also be integrated in processor 580.
Mobile phone also includes the power supply 590 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe
Reason system is logically contiguous with processor 580, thus realizes management charging, electric discharge and power managed by power-supply management system
Etc. function.
Although not shown, mobile phone can also include photographic head, bluetooth module etc., does not repeats them here.
In previous embodiment, each step method flow process can structure based on this terminal realize.Wherein sensor 550 or
Contact panel 531 can use as fingerprint recognition module.
The embodiment of the present invention also provides for a kind of computer-readable storage medium, and wherein, this computer-readable storage medium can store journey
Sequence, this program includes the part or all of step of any unlocked by fingerprint method described in said method embodiment when performing
Suddenly.
Although combine each embodiment invention has been described at this, but, implementing the present invention for required protection
During, those skilled in the art are by checking described accompanying drawing, disclosure and appended claims, it will be appreciated that and real
Other changes of existing described open embodiment.In the claims, " include " that (comprising) word is not excluded for other compositions
Part or step, "a" or "an" is not excluded for multiple situations.Single processor or other unit can realize claim
In some functions enumerating.Mutually different has been recited in mutually different dependent some measure, it is not intended that these are arranged
Executing to combine produces good effect.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device (equipment) or computer journey
Sequence product.Therefore, in terms of the present invention can use complete hardware embodiment, complete software implementation or combine software and hardware
The form of embodiment.And, the present invention can use in one or more calculating wherein including computer usable program code
The upper computer program implemented of machine usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.)
The form of product.Computer program is stored/distributed in suitable medium, provides or as the one of hardware together with other hardware
Part, it would however also be possible to employ other distribution forms, as by Internet or other wired or wireless telecommunication system.
The present invention be with reference to the method for the embodiment of the present invention, device (equipment) and computer program flow chart with/
Or block diagram describes.It should be understood that can by each flow process in computer program instructions flowchart and/or block diagram and/
Or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer program instructions can be provided
To the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce one
Individual machine so that the instruction performed by the processor of computer or other programmable data processing device is produced for realizing
The device of the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and computer or other programmable data processing device can be guided with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in this computer-readable memory produces and includes referring to
Make the manufacture of device, this command device realize at one flow process of flow chart or multiple flow process and/or one square frame of block diagram or
The function specified in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that at meter
Perform sequence of operations step on calculation machine or other programmable devices to produce computer implemented process, thus at computer or
The instruction performed on other programmable devices provides for realizing at one flow process of flow chart or multiple flow process and/or block diagram one
The step of the function specified in individual square frame or multiple square frame.
Although in conjunction with specific features and embodiment, invention has been described, it is clear that, without departing from this
In the case of bright spirit and scope, it can be carried out various amendment and combination.Correspondingly, the specification and drawings is only institute
The exemplary illustration of the present invention that attached claim is defined, and be considered as covering arbitrarily repairing in the scope of the invention with all
Change, change, combine or equivalent.Obviously, those skilled in the art the present invention can be carried out various change and modification and not
Depart from the spirit and scope of the present invention.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (13)
1. a unlocked by fingerprint method, it is characterised in that including:
Obtain fingerprint image；
M preset fingerprint template of the first kind fingerprint template in described fingerprint image and preset fingerprint template set is carried out
Joining, wherein, described preset fingerprint template set also comprises Equations of The Second Kind fingerprint template, and it comprises N-M preset fingerprint template, described N
Individual preset fingerprint template belongs to same fingerprint, and described N is the integer more than described M, and described M is positive integer；
Any one in described fingerprint image and described M preset fingerprint template is time the match is successful, by described fingerprint image
Mate with described N-M preset fingerprint template；
Any one in described fingerprint image and described N-M preset fingerprint template is time the match is successful, it is achieved unlocked by fingerprint.
Method the most according to claim 1, it is characterised in that described by described fingerprint image and preset fingerprint template set
M preset fingerprint template of first kind fingerprint template mate, including:
Extract the characteristic point of described fingerprint image；
The characteristic point of M preset fingerprint template of the first kind fingerprint template in acquisition preset fingerprint template set, obtains described M group
Characteristic point；
According to described feature point number many priority match principle, the characteristic point of described fingerprint image is carried out with described M stack features point
Coupling.
3. according to the method described in any one of claim 1 or 2, it is characterised in that described acquisition fingerprint image, including:
When user presses fingerprint recognition module, described fingerprint recognition module is utilized to gather multiple capacitances；
The plurality of capacitance region is divided into many sub regions；
Each subregion from the plurality of subregion chooses at least one capacitance；
The average of the capacitance chosen described in calculating；
According to described average, the plurality of capacitance is carried out binary conversion treatment；
The plurality of capacitance after binary conversion treatment is converted into fingerprint image.
4. according to the method described in any one of claim 1 or 2, it is characterised in that described by described fingerprint image and described N-M
Individual preset fingerprint template is mated, including:
Obtain the matching frequency of described N-M preset fingerprint template；
Described fingerprint image and described N-M preset fingerprint template carried out according to described matching frequency order from high to low
Join.
5. according to the method described in any one of claim 1 or 2, it is characterised in that before described acquisition fingerprint image, described side
Method also includes:
N number of preset fingerprint template in preset fingerprint template set being mated two-by-two, obtain K matching value, described K is the most whole
Number；
The degree of association of each preset fingerprint template in described N number of preset fingerprint template is determined according to described K matching value；
Choose M preset fingerprint template that in described N number of preset fingerprint template, the degree of association is minimum as first kind fingerprint template.
6. according to the method described in any one of claim 1 or 2, it is characterised in that described by described fingerprint image with preset refer to
After M preset fingerprint template of the first kind fingerprint template in stricture of vagina template set is mated, described method also includes:
When described fingerprint image does not mates with described M preset fingerprint template, prompting user re-enters fingerprint image, or
Person, mates described fingerprint image with other preset fingerprint template set.
7. a terminal, it is characterised in that including:
Acquiring unit, is used for obtaining fingerprint image；
Matching unit, refers to the first kind in preset fingerprint template set for the described fingerprint image obtained by described acquiring unit
M preset fingerprint template of stricture of vagina template is mated, and wherein, described preset fingerprint template set also comprises Equations of The Second Kind fingerprint template,
It comprises N-M preset fingerprint template, and described N number of preset fingerprint template belongs to same fingerprint, and described N is more than described M's
Integer, described M is positive integer；
Described matching unit, is additionally operable to:
Matching result at described matching unit is described fingerprint image and any one in described M preset fingerprint template
When being made into merit, described fingerprint image is mated with described N-M preset fingerprint template；
Solving lock unit, being used at the matching result of described matching unit is described fingerprint image and described N-M preset fingerprint mould
Any one in plate is time the match is successful, it is achieved unlocked by fingerprint.
Terminal the most according to claim 7, it is characterised in that described matching unit includes:
Extraction module, for extracting the characteristic point of described fingerprint image；
First acquisition module, for obtaining M preset fingerprint template of the first kind fingerprint template in preset fingerprint template set
Characteristic point, obtains described M stack features point；
Matching module, for according to described feature point number many priority match principle by the characteristic point of described fingerprint image with described
M stack features point mates.
9. according to the terminal described in any one of claim 7 or 8, it is characterised in that described acquiring unit includes:
Acquisition module, for when user presses fingerprint recognition module, utilizes described fingerprint recognition module to gather multiple capacitances；
Divide module, for the plurality of capacitance region is divided into many sub regions；
Choose module, in each subregion from the plurality of subregion, choose at least one capacitance；
Computing module, is used for the average of the capacitance chosen described in calculating；
Processing module, for carrying out binary conversion treatment according to described average to the plurality of capacitance；
Conversion module, for being converted into fingerprint image by the plurality of capacitance after binary conversion treatment.
10. according to the terminal described in any one of claim 7 or 8, it is characterised in that described matching unit is additionally operable to:
Obtain the matching frequency of described N-M preset fingerprint template, and according to described matching frequency order from high to low by institute
State fingerprint image to mate with described N-M preset fingerprint template.
11. according to the terminal described in any one of claim 7 or 8, it is characterised in that described terminal also includes:
Pre-matching unit, for obtaining before fingerprint image at described acquiring unit, presets N number of in preset fingerprint template set
Fingerprint template mates two-by-two, obtains K matching value, and described K is positive integer；
Determine unit, for determining each preset fingerprint template in described N number of preset fingerprint template according to described K matching value
The degree of association；
Choose unit, for choosing M preset fingerprint template that in described N number of preset fingerprint template, the degree of association is minimum as first
Class fingerprint template.
12. according to the terminal described in any one of claim 7 or 8, it is characterised in that described terminal also includes:
Tip element, being used at the matching result of described matching unit is described fingerprint image and described M preset fingerprint template
When not mating, prompting user re-enters fingerprint image,
Or,
Described matching unit also particularly useful for:
Matching result at described matching unit is described fingerprint image when not mating with described M preset fingerprint template, will
Described fingerprint image mates with other preset fingerprint template set.
13. 1 kinds of terminals, it is characterised in that including:
Processor and memorizer；Wherein, described processor is by calling the code in described memorizer or instruction to perform such as power
Profit requires the method described in 1-6 any one.
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| CN106845413A (en) * | 2017-01-23 | 2017-06-13 | 广东欧珀移动通信有限公司 | A kind of fingerprint identification method and mobile terminal |
| CN107077679A (en) * | 2017-02-16 | 2017-08-18 | 深圳市汇顶科技股份有限公司 | Method of calibration, device and transaction system based on fingerprint recognition |
| CN107644219A (en) * | 2017-10-10 | 2018-01-30 | 广东欧珀移动通信有限公司 | Face registration method and related product |
| CN110008675A (en) * | 2019-03-28 | 2019-07-12 | 南京维沃软件技术有限公司 | A kind of fingerprint identification method and mobile terminal |
| CN110084929A (en) * | 2019-04-19 | 2019-08-02 | 公牛集团股份有限公司 | Local fingerprint database configuration, unlocking method, device and the equipment of smart lock |
| CN111611826A (en) * | 2019-02-25 | 2020-09-01 | 北京小米移动软件有限公司 | Fingerprint identification method and device |
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| CN106682608A (en) * | 2016-12-23 | 2017-05-17 | 努比亚技术有限公司 | Fingerprint matching device and method |
| CN106845413A (en) * | 2017-01-23 | 2017-06-13 | 广东欧珀移动通信有限公司 | A kind of fingerprint identification method and mobile terminal |
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| CN106203034B (en) | 2017-10-24 |
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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. |