CN106021606A - Fingerprint template updating method and terminal equipment - Google Patents
Fingerprint template updating method and terminal equipment Download PDFInfo
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- CN106021606A CN106021606A CN201610465466.8A CN201610465466A CN106021606A CN 106021606 A CN106021606 A CN 106021606A CN 201610465466 A CN201610465466 A CN 201610465466A CN 106021606 A CN106021606 A CN 106021606A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
- G06F16/2358—Change logging, detection, and notification
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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
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Abstract
The invention discloses a fingerprint template updating method. The method comprises the steps as follows: N fingerprint images are obtained and are fingerprint images successful in comparison with fingerprints of fingerprint templates pre-stored in a fingerprint template set within a first time interval, the fingerprint template set contains a plurality of fingerprint templates, and N is an integer larger than 1; M fingerprint images meeting fingerprint temperature update conditions are selected from N fingerprint images, and M is an integer larger than or equal to 1; the fingerprint template set is updated according to the M fingerprint images. An embodiment of the invention further provides terminal equipment. With the adoption of the embodiment, registering of fingerprint templates can be continuously perfected.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of fingerprint template update method and terminal unit.
Background technology
Fingerprint identification technology has become as main flow terminal equipment (such as smart mobile phone, panel computer etc.) now
The standard configuration of manufacturer's flagship type.Fingerprint recognition can be not only used for the unblock of terminal unit and the function such as wakes up up,
Also it is the important ring of mobile payment.Fingerprint pays while meeting user's property easy to use, to safety
It is also proposed that higher requirement.
Terminal unit on market today is due to appearance requirement, and fingerprint module does less and less, can cause identifying
The problem that fingerprint area is too small.If the registered fingerprint template area of typing is too small, can be because there is no whole finger
The whole typing of finger print information and on the low side in operational phase fingerprint recognition rate after causing, i.e. refuse sincere meeting higher.
If requiring that fingerprint register when user's typing number of times is too much, can affect Consumer's Experience, even and if recording
Indegree is the most, it is also difficult to must be the whole whole typing of finger print information, therefore, the most constantly improves note
Volume fingerprint template is the technical problem that this area is urgently to be resolved hurrily.
Summary of the invention
The embodiment of the present invention provides a kind of fingerprint template update method and terminal unit, to constantly improving registration
Fingerprint template.
First aspect, the embodiment of the present invention provides a kind of fingerprint template update method, including:
Obtain N number of fingerprint image, described N number of fingerprint image be within the first period with the fingerprint template that prestores
The fingerprint of the fingerprint template in set contrasts successful fingerprint image, and described fingerprint template set includes multiple finger
Stricture of vagina template, described N is the integer more than 1；
M the fingerprint image meeting fingerprint template update condition, institute is selected from described N number of fingerprint image
Stating M is the integer more than or equal to 1；
According to described M fingerprint image, described fingerprint template set is updated.
In the implementation that some are possible, described M is the integer more than 1, and described M fingerprint image is
Successful fingerprint image is contrasted with the fingerprint of the first object fingerprint template in described fingerprint template set, described
Before being updated described fingerprint template set according to described M fingerprint image, described method also includes:
Described M fingerprint image is integrated into a target fingerprint image；
Determine whether the fingerprint template quantity that described fingerprint template set includes is more than or equal to first threshold；
If the fingerprint template quantity that described fingerprint template set includes is more than or equal to described first threshold, described
According to described M fingerprint image, described fingerprint template set is updated, including:
Determine and W the fingerprint template that described first object fingerprint template is same user's finger, and determine
Described W fingerprint template is matched successful number of times within the second period, and described W is more than or equal to 1
Integer；
Be matched within described second period that successful number of times is minimum the is selected from described W fingerprint template
Two target fingerprint templates, and be that target fingerprint image is with to described by described second target fingerprint template replacement
Fingerprint template set is updated.
In the implementation that some are possible, described method also includes:
If the fingerprint template quantity that described fingerprint template set includes is less than described first threshold, described according to institute
State M fingerprint image described fingerprint template set is updated, including: described target fingerprint image is added
Add in described fingerprint template set.
In the implementation that some are possible, described described M fingerprint image is integrated into a target fingerprint
Image, including:
Determine the characteristic point of described M fingerprint image, and the characteristic point of described M fingerprint image is relative
Position；
The relative position of the characteristic point according to described M fingerprint image carries out position to described M fingerprint image
Conversion；
Described M fingerprint image after feature point pairs evolution according to described M fingerprint image is spelled
Connect, to obtain described target fingerprint image.
In the implementation that some are possible, described meet fingerprint template update condition and include: fingerprint image
Feature point number is more than or equal to Second Threshold, and the definition of fingerprint image is more than or equal to the 3rd threshold value.
In the implementation that some are possible, described method also includes:
Determine that in described fingerprint template set, all fingerprint templates are matched successful number of times within the 3rd period,
And select from described all fingerprint templates be matched within described 3rd period successful number of times less than or etc.
The 3rd target fingerprint template in the 4th threshold value；
Described 3rd target fingerprint template is removed from described fingerprint template set.
Second aspect, the embodiment of the present invention provides a kind of terminal unit, comprises for performing in first aspect
The module of method.
The third aspect, embodiments provides a kind of terminal unit, including:
Storage has the memorizer of executable program code；
The processor coupled with described memorizer；
For gathering the fingerprint recognition module of fingerprint image；
Described processor calls the described executable program code of storage in described memorizer, performs such as the present invention
Part or all of step described in embodiment first aspect either method.
Fourth aspect, the present invention provides a kind of computer-readable storage medium, is used for saving as the embodiment of the present invention the
The computer software instructions used by terminal unit that two aspects provide, it comprises for performing set by above-mentioned aspect
The program of meter.
The present invention provide scheme can in the first period with the fingerprint mould in the fingerprint template set prestored
The fingerprint of plate contrasts successful N fingerprint image and is analyzed, and then selects and meets fingerprint template update condition
Fingerprint template set is updated by M fingerprint image, it is seen then that in follow-up unlocked by fingerprint, according to defeated
Fingerprint template set is constantly updated by the fingerprint image entered, and then constantly improves in registering terminal equipment pre-
The fingerprint template deposited.
The aspects of the invention or other aspects be meeting more straightforward in the following description.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
A kind of schematic flow sheet solving fingerprint template update method that Fig. 1 provides for first embodiment of the invention；
A kind of schematic flow sheet solving fingerprint template update method that Fig. 2 provides for second embodiment of the invention；
The structural representation of a kind of terminal unit that Fig. 3 provides for the embodiment of the present invention；
The structural representation of the another kind of terminal unit that Fig. 4 provides for the embodiment of the present invention；
The structural representation of the another kind of terminal unit that Fig. 5 provides for the embodiment of the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, implement below in conjunction with the present invention
Accompanying drawing in example, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that institute
The embodiment described is only the embodiment of a present invention part rather than whole embodiments.Based on this
Embodiment in bright, the institute that those of ordinary skill in the art are obtained under not making creative work premise
There are other embodiments, all should belong to the scope of protection of the invention.
It is described in detail individually below.
Term " first " in description and claims of this specification and described accompanying drawing, " second ", "
Three " and " the 4th " etc. is for distinguishing different object rather than for describing particular order.Additionally, art
Language " includes " and " having " and their any deformation, it is intended that cover non-exclusive comprising.Such as
Contain series of steps or the process of unit, method, system, product or equipment are not limited to list
Step or unit, but the most also include step or the unit do not listed, or the most also include right
In intrinsic other step of 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 in conjunction with the embodiments
To be included at least one embodiment of the present invention.There is this phrase not in each position in the description
Necessarily each mean identical embodiment, be not and the independent of other embodiments mutual exclusion or alternative embodiment.
Those skilled in the art explicitly and are implicitly understood by, and embodiment described herein can be real with other
Execute example to combine.
Hereinafter, the part term in the application is explained, in order to skilled artisan understands that.
1), terminal unit, also referred to as subscriber equipment (User Equipment, UE), be a kind of to user
Voice and/or the equipment of data connectivity are provided, such as, there is the portable equipment of wireless connecting function, car
Load equipment etc..Common terminal such as includes: mobile phone, panel computer, notebook computer, palm PC,
Mobile internet device (mobile internet device, MID), wearable device, such as intelligent watch,
Intelligent bracelet, pedometer etc..
2), fingerprint recognition module, be intended to realize the knowledge for individual fingerprint characteristic by specific inductive module
Not.At present, fingerprint identification module is broadly divided into optical fingerprint module, capacitance type fingerprint module and radio frequency
Formula fingerprint module.Fingerprint recognition module can be arranged in conjunction with the film key dome key of terminal unit, may be provided at
The front of terminal unit, the back side or side etc., the present invention is not construed as limiting.Equally, fingerprint recognition module can be tied
The touch screen closing terminal unit is arranged, and may be provided at the lower section of the contact panel of touch screen.
3), the fingerprint feature point of Based on Feature Points fingerprint image, fingerprint feature point includes general characteristic point drawn game
Portion's characteristic point, wherein, general characteristic point includes basic grain pattern ring-like (loop), arcuate (arch), spiral shell
Rotation type (whorl).Local feature region refers to the node on fingerprint.Two pieces of fingerprints often have identical overall
Feature, but their local feature--node, but can not identical node (Minutia Points) fingerprint
Lines is not continuous print, smooth straight, but interruption, bifurcated or discounting often occurs.These breakpoints,
Bifurcation and turning point are known as " node ".It is exactly these nodes confirmations of providing fingerprint uniqueness.Refer to
Node on stricture of vagina has four kinds of different qualities: 1, destination node (Ending)--a lines terminates at this；2、
Bifurcation (Bifurcation) a: lines is broken up into the lines of two or more at this；3, bifurcation point
(Ridge Divergence): two parallel lines separate at this；4, isolated point (Dot or Island):
Article one, the shortest lines, to such an extent as to become a bit；5, circling point (Enclosure): lines is separated into
After being two, having merging to become one immediately, the little ring so formed is referred to as circling point.Fingerprint characteristic
Data can also include: short grain (Short Ridge): one end is shorter but is unlikely to become the lines of a bit；Side
To (Orientation): node can be towards certain direction；Curvature (Curvature)--lines side is described
To the speed changed；Position (Position): the position of node is by (x, y) coordinate describes, Ke Yishi
Absolute, it is also possible to it is relative to triangulation point or characteristic point inductance type identification.
4), " multiple " refer to two or more."and/or", describes the incidence relation of affiliated partner, table
Show and can there are three kinds of relations, such as, A and/or B, can represent: individualism A, there is A simultaneously
And B, individualism B these three situation.Character "/" typicallys represent the forward-backward correlation pass to liking a kind of "or"
System.
Refer to the flow process signal of a kind of fingerprint template update method that Fig. 1, Fig. 1 provide for the embodiment of the present invention
Figure, comprises the following steps:
S101, terminal unit obtain N number of fingerprint image, described N number of fingerprint image be within the first period and
The fingerprint of the fingerprint template in the fingerprint template set prestored contrasts successful fingerprint image, described fingerprint template
Set includes that multiple fingerprint template, described N are the integer more than 1.
S102, described terminal unit select from described N number of fingerprint image and meet fingerprint template update condition
M fingerprint image, described M is the integer more than or equal to 1.
Described fingerprint template set is updated by S103, described terminal unit according to described M fingerprint image.
Fingerprint template is after having registered first at present, generally will not change again, the fingerprint of user's registration
Template quality is high, and subsequent fingerprint discrimination is high, better user experience, and the fingerprint template quality of user's registration is low,
Subsequent fingerprint discrimination is low, and Consumer's Experience is poor, but user does not has any fingerprint register training, is
It is difficult to ensure that the quality of the fingerprint template of registration.The present invention is by fingerprint template Opening, in subsequent use mistake
Journey still can constantly be improved and supplement, the most just so that user uses terminal unit the most long, fingerprint
Recognition performance is the best.The present invention updates the way of fingerprint template: first obtain in the first period with prestore
Fingerprint template set in fingerprint template fingerprint contrast successful N fingerprint image be analyzed, then select
Fingerprint template set is updated by M the fingerprint image going out to meet fingerprint template update condition, it is seen then that
In follow-up unlocked by fingerprint, according to the fingerprint image of input, fingerprint template set is constantly updated, and then
Constantly improve the fingerprint template prestored in registering terminal equipment.
Optionally, described M is the integer more than 1, and described M fingerprint image is and described fingerprint template collection
The fingerprint of the first object fingerprint template in conjunction contrasts successful fingerprint image, terminal described in above step S103
Before described fingerprint template set is updated by equipment according to described M fingerprint image, the side shown in Fig. 1
Method also includes:
Described M fingerprint image is integrated into a target fingerprint image by described terminal unit；Described terminal sets
Whether the standby fingerprint template quantity determining that described fingerprint template set includes is more than or equal to first threshold；If institute
State fingerprint template quantity that fingerprint template set includes more than or equal to described first threshold, described terminal unit
According to the detailed description of the invention that described fingerprint template set is updated by described M fingerprint image it is: described
W the fingerprint template that terminal unit determines with described first object fingerprint template is same user's finger, and
Determining that described W fingerprint template is matched successful number of times within the second period, described W is for being more than or equal to
The integer of 1；Described terminal unit is selected from described W fingerprint template and is matched within described second period
The second target fingerprint template that successfully number of times is minimum, and be mesh by described second target fingerprint template replacement
Mark fingerprint image is to be updated described fingerprint template set.
As an example it is assumed that M=3, fingerprint template set comprises 10 fingerprint templates, these 3 fingerprint images
All fingerprints with first object fingerprint template contrast successfully, and before above step S103, terminal unit first will
These 3 fingerprint image one target fingerprint images of synthesis, due to the number of the storable fingerprint template of terminal unit
Amount is limited, is performing before step S103, and terminal unit first determines in fingerprint template set and comprises fingerprint
Whether template exceeds the quata, and (such as more than or equal to first threshold, first threshold such as can be equal to 5,6,7,8
Or other values), if so, terminal unit can by except with first object fingerprint template in addition to 9 fingerprint moulds
Plate carries out fingerprint contrast process respectively with first object fingerprint template, to determine with first object fingerprint template is
W fingerprint template of same user's finger is (it should be noted that this W fingerprint template includes first object
Fingerprint template), such as, certain fingerprint template ratio that overlaps with the characteristic point of first object fingerprint template is more than
60%, then confirm the fingerprint template that this certain fingerprint template is with first object fingerprint template is same user's finger,
Then, it is assumed that W=3, terminal unit determine these 3 fingerprint templates the second period (can be such as 1 day,
3 days, 1 week or other values) in be matched successful number of times, such as 3 fingerprint templates have first object to refer to
Stricture of vagina template, fingerprint template 2, fingerprint template 3, be matched number of success and be respectively 30,20,5, it is seen that refer to
Stricture of vagina template 3 (the second target fingerprint template) is matched least number of times, and now, terminal unit is by fingerprint template 3
It is replaced by target fingerprint image.
On the basis of above-mentioned embodiment, terminal unit described in above step S103 is according to described M finger
The detailed description of the invention that described fingerprint template set is updated by print image can also be: described terminal unit
Determine the characteristic point of described target fingerprint image and the ratio that overlaps of the characteristic point of described first object fingerprint template；
If the characteristic point of described target fingerprint image is big with the ratio that overlaps of the characteristic point of described first object fingerprint template
In or equal to the 5th threshold value, it is determined that described target fingerprint image does not weighs with described first object fingerprint template
Close region, and utilize first object fingerprint template described in described misaligned area update.
Optionally, described misaligned region includes that described target fingerprint image is relative to described first object fingerprint
First misaligned region of template and first object fingerprint template relative to described target fingerprint image second not
Overlapping region, described terminal unit utilizes the tool of first object fingerprint template described in described misaligned area update
Body embodiment has: described terminal unit determines described first misaligned region and described second misaligned region
The coincidence ratio of characteristic point；If described first misaligned region and the characteristic point in described second misaligned region
Coincidence ratio less than or equal to the 6th threshold value, described first misaligned region is added extremely by described terminal unit
In described first object fingerprint template；If described first misaligned region and the spy in described second misaligned region
Coincidence ratio a little of levying is more than described 6th threshold value and less than or equal to the 7th threshold value, and described terminal unit is by institute
State the misaligned region relatively with described second misaligned region, the first misaligned region to add to described second not
In overlapping region；If the coincidence ratio of the characteristic point in described first misaligned region and described second misaligned region
Example is more than described 7th threshold value and less than or equal to the 8th threshold value, and described terminal unit is by described second misaligned
Region is replaced by described first misaligned region.
As an example it is assumed that the first misaligned region is A, the second misaligned region is B, if the feature of A
Point represents first object with the registration of the characteristic point of B less than or equal to the 6th threshold value (such as close to 5%)
Fingerprint template non-inclusion region A, this kind of situation, directly A is added to first object fingerprint template, if
The characteristic point of A is less than or equal to the 7th threshold value (such as with the registration of the characteristic point of B more than the 6th threshold value
20%～50%) represent that first object fingerprint template has a fraction region of inclusion region A, this kind of situation, directly
Connect A is relative and B misaligned region to add to B, if the weight of the characteristic point of the characteristic point of A and B
Right the 7th threshold value that is more than represents first object fingerprint mould less than or equal to the 8th threshold value (such as 50%～70%)
Plate has most of region of inclusion region A, this kind of situation, directly B is replaced by A.
It should be noted that overlapping region represents certain of first object fingerprint image and first object fingerprint template
The characteristic point registration in individual region is the highest (such as more than 80%), in like manner, and misaligned region representation first object
Fingerprint image is relatively low (such as with the characteristic point registration in certain region of first object fingerprint template
0～80%).
Further, if the fingerprint template quantity that described fingerprint template set includes is less than described first threshold,
The described detailed description of the invention that is updated described fingerprint template set according to described M fingerprint image is:
Described target fingerprint image is added to described fingerprint template set by described terminal unit.
Further, described M fingerprint image is integrated into a target fingerprint image by described terminal unit
Detailed description of the invention is:
Described terminal unit determines the characteristic point of described M fingerprint image, and described M fingerprint image
The relative position of characteristic point；The relative position of the characteristic point according to described M fingerprint image is to described M finger
Print image carries out evolution；The described M after feature point pairs evolution according to described M fingerprint image
Individual fingerprint image splices, to obtain described target fingerprint image.
For example, same user's finger presses fingerprint recognition module in different ways, the fingerprint got
The area of image and position are all different.Assuming M=3, the characteristic point of fingerprint image has directivity, eventually
End equipment can determine the characteristic point of these 3 fingerprint images by extracting the characteristic point of these 3 fingerprint images
Relative position, then according to the relative position unification of the characteristic point of 3 fingerprint images by these three image
Position converts, and such as, the position of these 3 fingerprint images is all adjusted to this 3 fingerprints by terminal unit
The relative position of the characteristic point of image, finally, terminal unit is according to the characteristic point para-position of these 3 fingerprint images
Putting these 3 fingerprint images after conversion to splice, such as, 3 fingerprint images include fingerprint image 1, refer to
Print image 2, fingerprint image 3, fingerprint image 2 is spliced (such as by terminal unit according to fingerprint image 1
Fingerprint image 1 includes the region 1 that fingerprint image 2 does not has, then be spliced in fingerprint image 2 in region 1),
Then fingerprint image 3 is spliced the (side of its splicing further according to spliced fingerprint image 2 by terminal unit
Method is caught up with and is stated splicing equally), obtain target fingerprint image.It should be noted that above-mentioned hypothesis M=3 is only
It is merely illustrative, not only limits the situation that the present invention is M=3, also same in M=5,6,8 or other values
Sample is suitable for.
Optionally, described meet fingerprint template update condition and include: the feature point number of fingerprint image more than or
Equal to Second Threshold, and the definition of fingerprint image is more than or equal to the 3rd threshold value.
Optionally, the method shown in Fig. 1 also includes:
Described terminal unit determines that in described fingerprint template set, all fingerprint templates were matched within the 3rd period
Successfully number of times, and select from described all fingerprint templates and be matched within described 3rd period successfully
Number of times is less than or equal to the 3rd target fingerprint template of the 4th threshold value；By described 3rd target fingerprint template from institute
State in fingerprint template set and remove.
For example, in terminal unit, the fingerprint template set of storage includes multiple fingerprint template, these templates
In be matched the relatively low fingerprint template of frequency be often some angles, corner, limit or fingerprint image quality the highest
Fingerprint template, therefore to the fingerprint template set improved in terminal unit, terminal unit can be these
Join the relatively low fingerprint template of frequency to remove from fingerprint template set.Its specific implementation can have: terminal
Equipment first determine in fingerprint template set all fingerprint templates the 3rd period (such as 1 week, 2 weeks, one month,
Or other values) in be matched successful number of times, then select when the described 3rd from all fingerprint templates
Be matched in Duan successful number of times less than or equal to the 4th threshold value (such as 5 times, 6 times, 8 times, 10 times or
Other values) the 3rd target fingerprint template, then by the direct fingerprint template set of the 3rd target fingerprint template
Remove.Assuming that the 3rd period was 1 week, the 4th threshold value is 5, and all fingerprint templates have: fingerprint template 1, refer to
Stricture of vagina template 2, fingerprint template 3, fingerprint template 4, fingerprint template 5, be matched successful number of times in one week
It is 50 times, 30 times respectively, 20 times, 2 times, 3 times, it is seen that fingerprint template 4 and fingerprint template 5 are matched
Successfully number of times is relatively low, directly removes fingerprint template 4 and fingerprint template 5.
The embodiment of the present invention additionally provides another more detailed method flow, as in figure 2 it is shown, include:
S201, terminal unit obtain N number of fingerprint image, described N number of fingerprint image be within the first period and
The fingerprint of the fingerprint template in the fingerprint template set prestored contrasts successful fingerprint image, described fingerprint template
Set includes that multiple fingerprint template, described N are the integer more than 1.
S202, described terminal unit select from described N number of fingerprint image and meet fingerprint template update condition
M fingerprint image, described M is the integer more than 1.
S203, described M fingerprint image are and the first object fingerprint template in described fingerprint template set
Fingerprint contrasts successful fingerprint image, and described M fingerprint image is integrated into a target by described terminal unit
Fingerprint image.
S204, described terminal unit determine whether the fingerprint template quantity that described fingerprint template set includes is more than
Or equal to first threshold.
The most then perform step S205.
The most then perform step S207.
The W that S205, described terminal unit determine with described first object fingerprint template is same user's finger
Fingerprint template, and determine that described W fingerprint template is matched successful number of times within the second period, described
W is the integer more than or equal to 1.
S206, described terminal unit are selected from described W fingerprint template and are matched within described second period
The second target fingerprint template that successfully number of times is minimum, and be mesh by described second target fingerprint template replacement
Mark fingerprint image is to be updated described fingerprint template set.After execution of step S206 can process ends,
Certainly also can perform step S208-step S209 after execution of step S206, the present invention is not construed as limiting.
Described target fingerprint image is added to described fingerprint template set by S207, described terminal unit.
S208, described terminal unit determine that in described fingerprint template set, all fingerprint templates are within the 3rd period
It is matched successful number of times, and selects from described all fingerprint templates and be matched within described 3rd period
Successfully number of times is less than or equal to the 3rd target fingerprint template of the 4th threshold value.
Described 3rd target fingerprint template is removed from described fingerprint template set by S209, described terminal unit.
It should be noted that step S208-step S209 can be in any one of step S201-step S207
Perform between step, it is possible to perform during step S201-step S207 performs not, it is possible in step S201-
Step S207 performs after completing, and the present invention is not construed as limiting, additionally step S201-step S209 shown in Fig. 2
Specific implementation can be found in the specific implementation of said method, no longer describe at this.
The embodiment of the present invention additionally provides a kind of terminal unit 300, as it is shown on figure 3, include:
Acquisition module 301, is used for obtaining N number of fingerprint image, and described N number of fingerprint image is in the first period
The interior fingerprint with the fingerprint template in the fingerprint template set prestored contrasts successful fingerprint image, described fingerprint
Template set includes that multiple fingerprint template, described N are the integer more than 1；
Choose module 302, meet fingerprint template update condition for selecting from described N number of fingerprint image
M fingerprint image, described M is the integer more than or equal to 1；
More new module 303, for being updated described fingerprint template set according to described M fingerprint image.
Optionally, described M is the integer more than 1, and described M fingerprint image is and described fingerprint template collection
The fingerprint of the first object fingerprint template in conjunction contrasts successful fingerprint image, and described terminal unit also includes:
Image synthesis unit 304, for being integrated into a target fingerprint image by described M fingerprint image；
Determine module 305, for determine fingerprint template quantity that described fingerprint template set includes whether more than or
Equal to first threshold；
If the fingerprint template quantity that described fingerprint template set includes is more than or equal to described first threshold, described
More new module 303 specifically for:
Determine and W the fingerprint template that described first object fingerprint template is same user's finger, and determine
Described W fingerprint template is matched successful number of times within the second period, and described W is more than or equal to 1
Integer；Select from described W fingerprint template within described second period, be matched successful number of times minimum
The second target fingerprint template, and be that target fingerprint image is with right by described second target fingerprint template replacement
Described fingerprint template set is updated.
Optionally, if the fingerprint template quantity that described fingerprint template set includes is less than described first threshold, institute
State more new module 303 specifically for: described target fingerprint image is added in described fingerprint template set.
Optionally, image synthesis unit 304 specifically for:
Determine the characteristic point of described M fingerprint image, and the characteristic point of described M fingerprint image is relative
Position；
The relative position of the characteristic point according to described M fingerprint image carries out position to described M fingerprint image
Conversion；
Described M fingerprint image after feature point pairs evolution according to described M fingerprint image is spelled
Connect, to obtain described target fingerprint image.
Optionally, described meet fingerprint template update condition and include: the feature point number of fingerprint image more than or
Equal to Second Threshold, and the definition of fingerprint image is more than or equal to the 3rd threshold value.
Optionally, determine module 304, be additionally operable to determine that in described fingerprint template set, all fingerprint templates are
Successful number of times it is matched in three periods；
Choose module 302, be additionally operable to select from described all fingerprint templates be matched within described 3rd period
Successfully number of times is less than or equal to the 3rd target fingerprint template of the 4th threshold value；
Described terminal unit also includes:
Remove module 306, for described second target fingerprint template being removed from described terminal unit.
It should be noted that above-mentioned each module (acquisition module 301, choose module 302, more new module 303,
Image synthesis unit 304, determine module 305 and remove module 306) for performing the relevant of said method
Step.
In the present embodiment, terminal unit 300 is to present in modular form.Here " module " can refer to
ASIC (application-specific integrated circuit, ASIC), performs one or many
Individual software or the processor of firmware program and memorizer, integrated logic circuit, and/or other can provide above-mentioned
The device of function.Additionally, above acquisition module 301, choose module 302, more new module 303, image close
Become module 304, determine module 305 and remove module 306 can be by the process of the terminal unit shown in Fig. 4
Device 401 realizes.
As shown in Figure 4, terminal unit 400 can realize with the structure in Fig. 4, this terminal unit 400
Including at least one processor 401, at least one memorizer 402, at least one communication interface 403 and refer to
Stricture of vagina identification module 404.Described processor 401, described memorizer 402, described communication interface 403 and fingerprint
Identify that module 404 is connected by described communication bus and completes mutual communication.
Processor 401 can be general central processor (CPU), microprocessor, ASIC
(application-specific integrated circuit, ASIC), or one or more for controlling above scheme
The integrated circuit that program performs.
Communication interface 403, is used for and other equipment or communication, such as Ethernet, wireless access network
(RAN), WLAN (Wireless Local Area Networks, WLAN) etc..
Fingerprint recognition module 404, is used for gathering fingerprint image.
Memorizer 402 can be that read only memory (read-only memory, ROM) maybe can store static letter
Breath and the other kinds of static storage device of instruction, random access memory (random access memory,
RAM) or the other kinds of dynamic memory of information and instruction can be stored, it is also possible to be that electrically erasable can
Program read-only memory (Electrically Erasable Programmable Read-Only Memory,
EEPROM), read-only optical disc (Compact Disc Read-Only Memory, CD-ROM) or other light
The storage of disk storage, laser disc (includes compressing laser disc, laser dish, laser disc, Digital Versatile Disc, Blu-ray Disc
Deng), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store have instruction or
The desired program code of data structure form also by any other medium of computer access, but can not limit
In this.Memorizer can be to be individually present, and is connected with processor by bus.Memorizer can also and be located
Reason device integrates.
Wherein, described memorizer 402 is used for storing the application code performing above scheme, and by processing
Device 401 controls to perform.Described processor 401 is for performing the application journey of storage in described memorizer 402
Sequence code.
The code of memorizer 402 storage can perform the process of Fig. 1-Fig. 2 that terminal unit provided above performs
Control method, such as obtains N number of fingerprint image, described N number of fingerprint image within the first period with prestore
Fingerprint template set in fingerprint template fingerprint contrast successful fingerprint image, described fingerprint template set
Including multiple fingerprint templates, described N is the integer more than 1；Select full from described N number of fingerprint image
M fingerprint image of toe stricture of vagina template renewal condition, described M is the integer more than or equal to 1；According to institute
State M fingerprint image described fingerprint template set is updated.
The embodiment of the present invention additionally provides a more specifically application scenarios, as follows: above-mentioned terminal unit is
Mobile phone, carries out concrete introduction below in conjunction with Fig. 5 to each component parts of mobile phone:
RF circuit 510 can be used for receiving and sending messages or in communication process, the reception of signal and transmission, especially,
After the downlink information of base station is received, process to processor 580；It addition, data up for design are sent
To base station.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 is electric
Road 510 can also be communicated with network and other equipment by radio communication.Above-mentioned radio communication can use appoints
One communication standard or agreement, include 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 by operation
The software program of reservoir 520 and module, thus perform the application of various functions and the data process of mobile phone.
Memorizer 520 can mainly include storing program area and storage data field, and wherein, storage program area can store behaviour
(such as fingerprint image obtains function, fingerprint template more to make the application program needed for system, at least one function
New function, fingerprint image complex functionality) etc.；Storage data field can store what the use according to mobile phone was created
(such as fingerprint contrasts successful fingerprint image data, multiple fingerprint image one target fingerprint figure of synthesis to data
As data etc..Additionally, memorizer 520 can include high-speed random access memory, it is also possible to include non-easily
The property lost memorizer, for example, at least one disk memory, flush memory device or the storage of other volatile solid-state
Device.
Input block 530 can be used for receiving numeral or the character information of input, and produces the user with mobile phone
Arrange and function controls relevant key signals input.Specifically, input block 530 can include contact panel
531, other input equipments 532 and fingerprint recognition module 533.Contact panel 531, also referred to as touch screen,
Can collect user thereon or neighbouring touch operation (such as user uses finger, stylus etc. any applicable
Object or adnexa operation on contact panel 531 or near contact panel 531), and according to presetting
Formula drive corresponding attachment means.Optionally, contact panel 531 can include touch detecting apparatus and touch
Touch two parts of controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch behaviour
Make the signal brought, transmit a signal to touch controller；Touch controller receives from touch detecting apparatus
Touch information, and it is converted into contact coordinate, then give processor 580, and processor 580 can be received
Next order is also performed.Furthermore, it is possible to use resistance-type, condenser type, infrared ray and surface acoustic wave
Contact panel 531 is realized Deng polytype.Divided by contact panel 531, input block 530 can also include
Other input equipments 532.Specifically, other input equipments 532 can include but not limited to physical keyboard, merit
In energy key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc. at least one
Kind.Fingerprint recognition module 533 can be arranged in conjunction with the dome key of terminal unit, it is possible to combination of touch control panel 531
Arrange.Such as fingerprint recognition module 533 is arranged at below contact panel 531, when the finger of user touches eventually
During the touch screen of end equipment, it is placed in the fingerprint recognition module 533 below contact panel 531 and can collect use
The fingerprint image of the finger at family.
Display unit 540 can be used for showing the information inputted by user or the information being supplied to user and mobile phone
Various menus.Display unit 540 can include display floater 541, optionally, can use liquid crystal display
(Liquid Crystal Display, LCD), Organic Light Emitting Diode (Organic Light-Emitting Diode,
Etc. OLED) form configures display floater 541.Further, contact panel 531 can cover display floater
541, when contact panel 531 detects thereon or after neighbouring touch operation, send to processor 580 with
Determine the type of touch event, with preprocessor 580 according to the type of touch event on display floater 541
Corresponding visual output is provided.Although in Figure 5, contact panel 531 and display floater 541 are as two
Individual independent parts realize input and the input function of mobile phone, but in some embodiments it is possible to will 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 biographies
Sensor.Specifically, optical sensor can include ambient light sensor and proximity transducer, and wherein, ambient light passes
Sensor can regulate the brightness of display floater 541 according to the light and shade of ambient light, and proximity transducer can be at mobile phone
When moving in one's ear, close display floater 541 and/or backlight.As the one of motion sensor, accelerometer
Sensor can detect the size of (generally three axles) acceleration in all directions, can detect that gravity time static
Size and direction, can be used for identify mobile phone attitude application (such as horizontal/vertical screen switching, dependent game, magnetic
Power meter pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；Also can join as mobile phone
Other sensors such as the gyroscope put, barometer, drimeter, thermometer, infrared ray sensor, at this not
Repeat again.
Voicefrequency circuit 560, speaker 561, microphone 562 can provide the audio interface between user and mobile phone.
The signal of telecommunication after the voice data conversion that voicefrequency circuit 560 can will receive, is transferred to speaker 561, by raising
Sound device 561 is converted to acoustical signal output；On the other hand, the acoustical signal conversion that microphone 562 will be collected
For the signal of telecommunication, voicefrequency circuit 560 after receiving, be converted to voice data, then by voice data output processor
After 580 process, through RF circuit 510 to be sent to such as another mobile phone, or voice data is exported to depositing
Reservoir 520 is to process further.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user to receive and dispatch by WiFi module 570
Email, browsing webpage and access streaming video etc., it has provided the user wireless broadband internet and has visited
Ask.Although Fig. 5 shows WiFi module 570, but it is understood that, itself and be not belonging to mobile phone must
Must constitute, can omit in not changing the scope of essence of invention as required completely.
Processor 580 is the control centre of mobile phone, utilizes various interface and the whole mobile phone of connection each
Part, is stored in the software program in memorizer 520 and/or module by running or performing, and calls and deposit
Storage data in memorizer 520, perform the various functions of mobile phone and process data, thus carrying out mobile phone
Integral monitoring.Optionally, processor 580 can include one or more processing unit；Preferably, processor
580 can integrated application processor and modem processor, wherein, application processor mainly process operating system,
User interface and application program etc., 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 lead to
Cross power-supply management system logically contiguous with processor 580, thus charged by power-supply management system realization management,
The functions such as electric discharge and power managed.
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 the terminal unit shown in Fig. 5 realize.
The embodiment of the present invention also provides for a kind of computer-readable storage medium, and wherein, this computer-readable storage medium can be deposited
Containing program, this program includes when performing that any fingerprint template described in said method embodiment updates
The part or all of step of method.
It should be noted that for aforesaid each method embodiment, in order to be briefly described, therefore it is all stated
For a series of combination of actions, but those skilled in the art should know, the present invention is not by described
The restriction of sequence of movement, because according to the present invention, some step can use other orders or carry out simultaneously.
Secondly, those skilled in the art also should know, embodiment described in this description belongs to be preferable to carry out
Example, necessary to involved action and the module not necessarily present invention.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, in certain embodiment the most in detail
The part stated, may refer to the associated description of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, can be passed through it
Its mode realizes.Such as, device embodiment described above is only schematically, the most described list
The division of unit, is only a kind of logic function and divides, and actual can have other dividing mode, example when realizing
As multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can be ignored,
Or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can
To be the INDIRECT COUPLING by some interfaces, device or unit or communication connection, can be electrical or other
Form.
The described unit illustrated as separating component can be or may not be physically separate, as
The parts that unit shows can be or may not be physical location, i.e. may be located at a place, or
Can also be distributed on multiple NE.Can select therein some or all of according to the actual needs
Unit realizes the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit,
Can also be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit
In.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ SFU software functional unit
Form realizes.
If described integrated unit realizes using the form of SFU software functional unit and as independent production marketing or
During use, can be stored in a computer-readable access to memory.Based on such understanding, the present invention's
Part that prior art is contributed by technical scheme the most in other words or the whole or portion of this technical scheme
Dividing and can embody with the form of software product, this computer software product is stored in a memorizer,
Including some instructions with so that a computer equipment (can be that personal computer, server or network set
Standby etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid memorizer bag
Include: USB flash disk, read only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), portable hard drive, magnetic disc or CD etc. are various can store program code
Medium.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
The program that can be by completes to instruct relevant hardware, and this program can be stored in a computer-readable and deposit
In reservoir, memorizer may include that flash disk, read only memory (English: Read-Only Memory,
Be called for short: ROM), random access device (English: Random Access Memory, RAM), magnetic be called for short:
Dish or CD etc..
Being described in detail the embodiment of the present invention above, specific case used herein is to the present invention's
Principle and embodiment are set forth, and the explanation of above example is only intended to help to understand the side of the present invention
Method and core concept thereof；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention,
All will change in detailed description of the invention and range of application, the most above-mentioned, this specification content should not be managed
Solve as limitation of the present invention.
Claims (13)
1. a fingerprint template update method, it is characterised in that including:
Obtain N number of fingerprint image, described N number of fingerprint image be within the first period with the fingerprint template that prestores
The fingerprint of the fingerprint template in set contrasts successful fingerprint image, and described fingerprint template set includes multiple finger
Stricture of vagina template, described N is the integer more than 1；
M the fingerprint image meeting fingerprint template update condition, institute is selected from described N number of fingerprint image
Stating M is the integer more than or equal to 1；
According to described M fingerprint image, described fingerprint template set is updated.
Method the most according to claim 1, it is characterised in that described M is the integer more than 1, institute
Stating M fingerprint image is that the fingerprint with the first object fingerprint template in described fingerprint template set contrasts successfully
Fingerprint image, described according to described M fingerprint image, described fingerprint template set is updated before,
Described method also includes:
Described M fingerprint image is integrated into a target fingerprint image；
Determine whether the fingerprint template quantity that described fingerprint template set includes is more than or equal to first threshold；
If the fingerprint template quantity that described fingerprint template set includes is more than or equal to described first threshold, described
According to described M fingerprint image, described fingerprint template set is updated, including:
Determine and W the fingerprint template that described first object fingerprint template is same user's finger, and determine
Described W fingerprint template is matched successful number of times within the second period, and described W is more than or equal to 1
Integer；
Be matched within described second period that successful number of times is minimum the is selected from described W fingerprint template
Two target fingerprint templates, and be that target fingerprint image is with to described by described second target fingerprint template replacement
Fingerprint template set is updated.
Method the most according to claim 2, it is characterised in that described method also includes:
If the fingerprint template quantity that described fingerprint template set includes is less than described first threshold, described according to institute
State M fingerprint image described fingerprint template set is updated, including: described target fingerprint image is added
Add in described fingerprint template set.
The most according to the method in claim 2 or 3, it is characterised in that described by described M fingerprint image
As being integrated into a target fingerprint image, including:
Determine the characteristic point of described M fingerprint image, and the characteristic point of described M fingerprint image is relative
Position；
The relative position of the characteristic point according to described M fingerprint image carries out position to described M fingerprint image
Conversion；
Described M fingerprint image after feature point pairs evolution according to described M fingerprint image is spelled
Connect, to obtain described target fingerprint image.
5. according to the method described in any one of claim 1-4, it is characterised in that described meet fingerprint template
Update condition includes: the feature point number of fingerprint image is more than or equal to Second Threshold, and fingerprint image is clear
Clear degree is more than or equal to the 3rd threshold value.
6. according to the method described in any one of claim 1-5, it is characterised in that described method also includes:
Determine that in described fingerprint template set, all fingerprint templates are matched successful number of times within the 3rd period,
And select from described all fingerprint templates be matched within described 3rd period successful number of times less than or etc.
The 3rd target fingerprint template in the 4th threshold value；
Described 3rd target fingerprint template is removed from described fingerprint template set.
7. a terminal unit, it is characterised in that including:
Acquisition module, is used for obtaining N number of fingerprint image, described N number of fingerprint image be within the first period with
The fingerprint of the fingerprint template in the fingerprint template set prestored contrasts successful fingerprint image, described fingerprint template
Set includes that multiple fingerprint template, described N are the integer more than 1；
Choose module, for selecting the M meeting fingerprint template update condition from described N number of fingerprint image
Individual fingerprint image, described M is the integer more than or equal to 1；
More new module, for being updated described fingerprint template set according to described M fingerprint image.
Terminal unit the most according to claim 7, it is characterised in that described M is the integer more than 1,
Described M fingerprint image is that the fingerprint with the first object fingerprint template in described fingerprint template set contrasts into
The fingerprint image of merit, described terminal unit also includes:
Image synthesis unit, for being integrated into a target fingerprint image by described M fingerprint image；
Determine module, for determine fingerprint template quantity that described fingerprint template set includes whether more than or etc.
In first threshold；
If the fingerprint template quantity that described fingerprint template set includes is more than or equal to described first threshold, described
More new module specifically for:
Determine and W the fingerprint template that described first object fingerprint template is same user's finger, and determine
Described W fingerprint template is matched successful number of times within the second period, and described W is more than or equal to 1
Integer；Select from described W fingerprint template within described second period, be matched successful number of times minimum
The second target fingerprint template, and be that target fingerprint image is with right by described second target fingerprint template replacement
Described fingerprint template set is updated.
Terminal unit the most according to claim 8, it is characterised in that
If the fingerprint template quantity that described fingerprint template set includes is less than described first threshold, described renewal mould
Block specifically for: described target fingerprint image is added in described fingerprint template set.
Terminal unit the most according to claim 8 or claim 9, it is characterised in that described image synthesis mould
Block specifically for:
Determine the characteristic point of described M fingerprint image, and the characteristic point of described M fingerprint image is relative
Position；
The relative position of the characteristic point according to described M fingerprint image carries out position to described M fingerprint image
Conversion；
Described M fingerprint image after feature point pairs evolution according to described M fingerprint image is spelled
Connect, to obtain described target fingerprint image.
11. according to the terminal unit described in any one of claim 7-10, it is characterised in that described satisfied finger
Stricture of vagina template renewal condition includes: the feature point number of fingerprint image is more than or equal to Second Threshold, and fingerprint image
The definition of picture is more than or equal to the 3rd threshold value.
12. according to the terminal unit described in any one of claim 7-11, it is characterised in that
Described determine module, be additionally operable to determine that in described fingerprint template set, all fingerprint templates are in the 3rd period
Inside it is matched successful number of times；
Described choose module, be additionally operable to select from described all fingerprint templates within described 3rd period by
Join the successful number of times the 3rd target fingerprint template less than or equal to the 4th threshold value；
Described terminal unit also includes:
Remove module, for described second target fingerprint template being removed from described terminal unit.
13. 1 kinds of terminal units, it is characterised in that including:
Storage has the memorizer of executable program code；
The processor coupled with described memorizer；
For gathering the fingerprint recognition module of fingerprint image；
Described processor calls the described executable program code of storage in described memorizer, performs right such as and wants
Seek the method described in 1 to 6 any one.
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| CN201610465466.8A CN106021606B (en) | 2016-06-21 | 2016-06-21 | A kind of fingerprint template update method and terminal device |
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| CN201610465466.8A CN106021606B (en) | 2016-06-21 | 2016-06-21 | A kind of fingerprint template update method and terminal device |
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| CN106021606B CN106021606B (en) | 2017-11-07 |
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| CN112912889A (en) * | 2019-09-27 | 2021-06-04 | 深圳市汇顶科技股份有限公司 | Image template updating method, device and storage medium |
| CN112912889B (en) * | 2019-09-27 | 2024-03-26 | 深圳市汇顶科技股份有限公司 | Image template updating method, device and storage medium |
| CN111126147B (en) * | 2019-11-22 | 2023-10-24 | 天津极豪科技有限公司 | Image processing method, device and electronic system |
| CN111126147A (en) * | 2019-11-22 | 2020-05-08 | 北京迈格威科技有限公司 | Image processing method, device and electronic system |
| CN111429359A (en) * | 2020-06-11 | 2020-07-17 | 深圳市诺赛特系统有限公司 | Small-area fingerprint image splicing method, device, equipment and storage medium |
| CN112148908A (en) * | 2020-10-23 | 2020-12-29 | 北京百度网讯科技有限公司 | Image database updating method and device, electronic equipment and medium |
| WO2024037056A1 (en) * | 2022-08-18 | 2024-02-22 | 荣耀终端有限公司 | Fingerprint recognition method and apparatus |
| CN116597185A (en) * | 2023-07-17 | 2023-08-15 | 荣耀终端有限公司 | Template updating method and electronic equipment |
| CN116597185B (en) * | 2023-07-17 | 2023-12-15 | 荣耀终端有限公司 | Template updating method and electronic equipment |
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| CN106021606B (en) | 2017-11-07 |
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