CN106127152B - A kind of fingerprint template update method and terminal device - Google Patents
A kind of fingerprint template update method and terminal device Download PDFInfo
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- CN106127152B CN106127152B CN201610465468.7A CN201610465468A CN106127152B CN 106127152 B CN106127152 B CN 106127152B CN 201610465468 A CN201610465468 A CN 201610465468A CN 106127152 B CN106127152 B CN 106127152B
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/19—Recognition using electronic means
- G06V30/192—Recognition using electronic means using simultaneous comparisons or correlations of the image signals with a plurality of references
- G06V30/194—References adjustable by an adaptive method, e.g. learning
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1347—Preprocessing; Feature extraction
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Abstract
The invention discloses a kind of fingerprint template update methods, comprising: obtains target fingerprint image, the target fingerprint image is to compare successful fingerprint image with first object fingerprint template fingerprint, and the target fingerprint image meets fingerprint template update condition;Determine the coincidence ratio of the characteristic point of the target fingerprint image and the characteristic point of the first object fingerprint template;If the coincidence ratio of the characteristic point of the target fingerprint image and the characteristic point of the first object fingerprint template is greater than or equal to first threshold, using the target fingerprint image as the fingerprint template of terminal device.The embodiment of the invention also discloses a kind of terminal devices.Registered fingerprint template can be constantly improve using the embodiment of the present invention.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of fingerprint template update method and terminal devices.
Background technique
Present fingerprint identification technology has become main flow terminal equipment (such as smart phone, tablet computer etc.) manufacturer's flagship
The standard configuration of type.Fingerprint recognition can be not only used for the functions such as unlock and the wake-up of terminal device and mobile payment is important
One ring.Fingerprint payment also puts forward higher requirements safety while meeting user's property easy to use.
Terminal device on market today will lead to the fingerprint face of identification since appearance requirement, fingerprint mould group become small
The too small problem of product.It, can be because without entire finger print information whole typing if the registered fingerprint template area of typing is too small
And it is relatively low in service stage fingerprint recognition rate behind causing, that is, it is higher to refuse sincere meeting.If requiring to use when fingerprint register
Family typing number is excessive, will affect user experience, and even if typing number is more again, it is also difficult to obtain entire finger print information
Whole typings, therefore, how to constantly improve registered fingerprint template is this field technical problem urgently to be resolved.
Summary of the invention
The embodiment of the present invention provides a kind of fingerprint template update method and terminal device, to constantly improve registered fingerprint mould
Plate.
In a first aspect, the embodiment of the present invention provides a kind of fingerprint template update method, comprising:
Target fingerprint image is obtained, the target fingerprint image is successfully to refer to the comparison of first object fingerprint template fingerprint
Print image, and the target fingerprint image meets fingerprint template update condition;
Determine the coincidence ratio of the characteristic point of the target fingerprint image and the characteristic point of the first object fingerprint template;
If the coincidence ratio of the characteristic point of the target fingerprint image and the characteristic point of the first object fingerprint template is big
In or be equal to first threshold, then using the target fingerprint image as the fingerprint template of terminal device.
In some possible implementations, if being the fingerprint of the same user's finger with the first object fingerprint template
The quantity of template is N, and the N is the integer greater than 1, described using the target fingerprint image as the fingerprint mould of terminal device
Plate, comprising:
It determines the second target fingerprint template, and by the second target fingerprint template replacement is the target fingerprint figure
Picture, the second target fingerprint template be with the first object fingerprint template be in the fingerprint template of the same user's finger
The least fingerprint template of number of success is matched in first period.
In some possible implementations, if being the fingerprint of the same user's finger with the first object fingerprint template
The quantity of template is N, and the N is the integer greater than 1, described using the target fingerprint image as the fingerprint mould of terminal device
Plate, comprising:
It determines third target fingerprint template, and by the third target fingerprint template replacement is the target fingerprint figure
Picture;The third target fingerprint template is and wraps in fingerprint template that the first object fingerprint template is the same user's finger
Containing the largest number of fingerprint templates of target fingerprint image characteristic point, and the feature point number of the target fingerprint image is greater than
Or the feature point number equal to the third target fingerprint template.
In some possible implementations, the method also includes:
If the coincidence ratio of the characteristic point of the target fingerprint image and the characteristic point of the first object fingerprint template is small
It is greater than or equal to third threshold value in the first threshold, determines the target fingerprint image and the first object fingerprint template
Not overlapping region, and the first object fingerprint template is updated using the not overlapping region.
In some possible implementations, the target fingerprint image meets fingerprint template update condition, comprising: described
The similarity of the general characteristic of target fingerprint image and the general characteristic of the target fingerprint template is greater than or equal to the 4th threshold value,
And the clarity of the target fingerprint image is greater than or equal to the 5th threshold value, then confirms that the target fingerprint image meets fingerprint mould
Plate update condition.
In some possible implementations, the acquisition target fingerprint image, comprising:
It obtains within the second period with the first object fingerprint template fingerprint than successful W fingerprint image, the W is
Integer greater than 1;
Determine the feature point number of the W fingerprint image, and feature point number in the W fingerprint image is most
Fingerprint image as the target fingerprint image.
Second aspect, the embodiment of the present invention provide a kind of terminal device, comprising:
Module is obtained, for obtaining target fingerprint image, the target fingerprint image is to refer to first object fingerprint template
Line compares successful fingerprint image, and the target fingerprint image meets fingerprint template update condition;
Determining module, for determining the characteristic point of the target fingerprint image and the feature of the first object fingerprint template
The coincidence ratio of point;
Fingerprint template update module, if characteristic point and the first object fingerprint template for the target fingerprint image
Characteristic point coincidence ratio be greater than or equal to first threshold, then using the target fingerprint image as the fingerprint mould of terminal device
Plate.
In some possible implementations, if being the fingerprint of the same user's finger with the first object fingerprint template
The quantity of template is N, and the N is the integer greater than 1, and the fingerprint template update module is specifically used for:
It determines the second target fingerprint template, and by the second target fingerprint template replacement is the target fingerprint figure
Picture, the second target fingerprint template be with the first object fingerprint template be in the fingerprint template of the same user's finger
The least fingerprint template of number of success is matched in first period.
In some possible implementations, if being the fingerprint of the same user's finger with the first object fingerprint template
The quantity of template is N, and the N is the integer greater than 1, and the fingerprint template update module is specifically used for:
It determines third target fingerprint template, and by the third target fingerprint template replacement is the target fingerprint figure
Picture;The third target fingerprint template is and wraps in fingerprint template that the first object fingerprint template is the same user's finger
Containing the largest number of fingerprint templates of target fingerprint image characteristic point, and the feature point number of the target fingerprint image is greater than
Or the feature point number equal to the third target fingerprint template.
In some possible implementations, the determining module, if being also used to the characteristic point of the target fingerprint image
It is greater than or equal to third threshold value less than the first threshold with the ratio that is overlapped of the characteristic point of the first object fingerprint template, really
The not overlapping region of fixed the target fingerprint image and the first object fingerprint template;
The fingerprint template update module is also used to update the first object fingerprint mould using the not overlapping region
Plate.
In some possible implementations, the target fingerprint image meets fingerprint template update condition, comprising: described
The similarity of the general characteristic of target fingerprint image and the general characteristic of the target fingerprint template is greater than or equal to the 4th threshold value,
And the clarity of the target fingerprint image is greater than or equal to the 5th threshold value, then confirms that the target fingerprint image meets fingerprint mould
Plate update condition.
In some possible implementations, the acquisition module is specifically used for:
It obtains within the second period with the first object fingerprint template fingerprint than successful W fingerprint image, the W is
Integer greater than 1;
Determine the feature point number of the W fingerprint image, and feature point number in the W fingerprint image is most
Fingerprint image as the target fingerprint image.
The third aspect, the embodiment of the invention provides a kind of terminal devices, comprising:
It is stored with the memory of executable program code;
The processor coupled with the memory;
For acquiring the fingerprint recognition mould group of fingerprint image;
The processor calls the executable program code stored in the memory, executes such as the embodiment of the present invention
Step some or all of described in first aspect either method.
Fourth aspect, the present invention provide a kind of computer storage medium, for being stored as second aspect of the embodiment of the present invention
Computer software instructions used in the terminal device of offer, it includes for executing program designed by above-mentioned aspect.
Scheme provided by the invention can compare successful fingerprint image to fingerprint and analyze, full in the fingerprint image
When toe line template renewal condition, determines the characteristic point of the fingerprint image and fingerprint compares the feature of successful fingerprint template therewith
The coincidence ratio of point is greater than or equal to first threshold in the ratio of coincidence, then using target fingerprint image as the fingerprint of terminal device
Template, it is seen then that in subsequent unlocked by fingerprint, the fingerprint template prestored in terminal device is carried out according to the fingerprint image of input
It constantly updates, and then constantly improve registered fingerprint template.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow diagram for solution fingerprint template update method that first embodiment of the invention provides;
Fig. 2 is a kind of flow diagram for solution fingerprint template update method that second embodiment of the invention provides;
Fig. 3 is a kind of structural schematic diagram for terminal device that first embodiment of the invention provides;
Fig. 4 is a kind of structural schematic diagram for terminal device that second embodiment of the invention provides;
Fig. 5 is a kind of structural schematic diagram for terminal device that third embodiment of the invention provides.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It is described in detail separately below.
Description and claims of this specification and term " first ", " second ", " third " and " in the attached drawing
Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it
Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be
System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list
Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Hereinafter, the part term in the application is explained, in order to those skilled in the art understand that.
1), terminal device, also referred to as user equipment (User Equipment, UE), are that one kind provides a user voice
And/or the equipment of data connectivity, for example, handheld device, mobile unit etc. with wireless connecting function.Common terminal
For example, mobile phone, tablet computer, laptop, palm PC, mobile internet device (mobile internet
Device, MID), wearable device, such as smartwatch, Intelligent bracelet, pedometer etc..
2), fingerprint recognition mould group is the identification that realized by specific inductive module for individual fingerprints feature.Mesh
Before, fingerprint identification module is broadly divided into optical fingerprint module, capacitance type fingerprint module and RF type fingerprint module.Fingerprint is known
Other mould group is arranged in combination with the film key dome key of terminal device, may be provided at front, the back side or side of terminal device etc.,
The present invention is not construed as limiting.Equally, fingerprint recognition mould group is arranged in combination with the touch screen of terminal device, may be provided at the touching of touch screen
Control the lower section of panel.
3), the fingerprint feature point of Based on Feature Points fingerprint image, fingerprint feature point include general characteristic point and local feature
Point, wherein general characteristic point includes that basic grain pattern is ring-like (loop), arcuate (arch), screw type (whorl).Part is special
Sign point refers to the node on fingerprint.Two pieces of fingerprints often general characteristic having the same, but their local feature -- node,
Impossible identical node (Minutia Points) fingerprint lines is not continuous, smooth straight, but often
There is interruption, bifurcated or discounting.These breakpoints, bifurcation and turning point are known as " node ".It is exactly that these nodes provide finger
The confirmation message of line uniqueness.There are four types of different characteristics for node on fingerprint: 1, destination node (Ending) -- a lines is herein
Termination;2, bifurcation (Bifurcation): lines is broken up into the lines of two or more herein;3, ramification point
(Ridge Divergence): two parallel lines separate herein;4, isolated point (Dot or Island): one especially short
Lines so that become a bit;5, circling point (Enclosure): lines is broken up into after two, is merged into immediately
It is one, the small ring formed in this way is known as circling point.Fingerprint characteristic data can also include: short grain (Short Ridge): one
It holds shorter but is unlikely to become the lines of a bit;Direction (Orientation): node can be towards certain direction;Curvature
(Curvature) -- the speed that description ridge orientation changes;Position (Position): the position of node by (x, y) coordinate come
Description, can be absolute, be also possible to identify relative to triangulation point or characteristic point inductance type.
4), " multiple " refer to two or more."and/or", describes the incidence relation of affiliated partner, and expression can deposit
In three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.
Character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Referring to Figure 1, Fig. 1 is a kind of flow diagram of fingerprint template update method provided in an embodiment of the present invention, packet
Include following steps:
S101, terminal device obtain target fingerprint image, and the target fingerprint image is to refer to first object fingerprint template
Line compares successful fingerprint image, and the target fingerprint image meets fingerprint template update condition.
S102, the terminal device determine the target fingerprint image characteristic point and the first object fingerprint template
The coincidence ratio of characteristic point.
If the characteristic point of S103, the target fingerprint image is overlapped ratio with the characteristic point of the first object fingerprint template
Example is greater than or equal to first threshold, then the terminal device is using the target fingerprint image as the fingerprint template of terminal device.
Fingerprint template will not usually change, the fingerprint template matter of user's registration again after registration is completed for the first time at present
Amount is high, and subsequent fingerprint discrimination is high, and the fingerprint template quality of better user experience, user's registration is low, and subsequent fingerprint discrimination is low,
User experience is poor, however user is there is no any fingerprint register training, is the quality it is difficult to ensure that the fingerprint template of registration.
Fingerprint template Opening still can be constantly improve and be supplemented in the subsequent use process by the present invention, in this way can so that
User's using terminal equipment it is more long, fingerprint recognition performance is better.The way that the present invention updates fingerprint template is: first obtaining
Fingerprint compares successful target fingerprint image, and the target fingerprint image meets fingerprint template update condition, then determines
The characteristic point of the fingerprint image and therewith fingerprint compare the coincidence ratio of the characteristic point of successful fingerprint template, big in the ratio of coincidence
In or be equal to first threshold, then using target fingerprint image as the fingerprint template of terminal device, it is seen then that in subsequent unlocked by fingerprint
In, the fingerprint template prestored in terminal device is constantly updated according to the fingerprint image of input, and then constantly improve registration
Fingerprint template.
Optionally, if the quantity with the fingerprint template that the first object fingerprint template is the same user's finger is N, institute
Stating N is the integer greater than 1, and terminal device described in above step S103 is using the target fingerprint image as the fingerprint of terminal device
The specific embodiment of template are as follows: the terminal device determines the second target fingerprint template, and by second target fingerprint
Template replacement is the target fingerprint image, and it is same that the second target fingerprint template, which is with the first object fingerprint template,
The least fingerprint template of number of success is matched in the fingerprint template of a user's finger within the first period.
For example, big in the coincidence ratio of the characteristic point of target fingerprint image and the characteristic point of first object fingerprint template
When the case where first threshold (such as more than or equal to 70%), indicate that the target fingerprint image is relatively good, at this time not
The fingerprint template for including in the fingerprint template set that tube terminal equipment prestores excess all using the target fingerprint image as one
Fingerprint template, concrete mode have: terminal device first determine fingerprint template set in first object fingerprint template be it is same
All fingerprint templates of user's finger, then determine above-mentioned all fingerprint templates the first period (such as 1 day, 3 days, 1 week or its
His value) in be matched number of success, subsequently will be matched number of success most within the first period in above-mentioned all fingerprint templates
The second few target fingerprint template replacement is the target fingerprint image.For example, being the same user with first object fingerprint template
All fingerprint templates of finger include fingerprint template 1, fingerprint template 2, fingerprint template 3, and successful number point is matched in 1 day
Not Wei 20 times, 10 times, 2 times, fingerprint template 3 is changed to target fingerprint image.
Optionally, optionally, if being the number of the fingerprint template of the same user's finger with the first object fingerprint template
Amount is N, and the N is the integer greater than 1, and terminal device described in above step S103 is set using the target fingerprint image as terminal
The specific embodiment of standby fingerprint template are as follows: the terminal device determines third target fingerprint template, and by the third
Target fingerprint template replacement is the target fingerprint image;The third target fingerprint template be and the first object fingerprint mould
Plate be the same user's finger fingerprint template in include the largest number of fingerprint templates of target fingerprint image characteristic point, and
The feature point number of the target fingerprint image is greater than or equal to the feature point number of the third target fingerprint template.
For example, big in the coincidence ratio of the characteristic point of target fingerprint image and the characteristic point of first object fingerprint template
When the case where first threshold (such as more than or equal to 70%), indicate that the target fingerprint image is relatively good, at this time not
The fingerprint template for including in the fingerprint template set that tube terminal equipment prestores excess all using the target fingerprint image as one
Fingerprint template, concrete mode have: terminal device first determine fingerprint template set in first object fingerprint template be it is same
All fingerprint templates of user's finger, then determine the number for the characteristic point that above-mentioned all fingerprint templates include, then determine above-mentioned
Comprising the third target fingerprint image that feature point number is most in all fingerprint templates, then judge that third target fingerprint image includes
Feature point number whether be less than the feature point number that target fingerprint image includes, if so, by third target fingerprint template replacement
For the target fingerprint image, if it is not, can be according to target fingerprint image update third target fingerprint template.Wherein, the tool of update
Body embodiment can be found in as described below.
Optionally, method shown in FIG. 1 further include:
If the coincidence ratio of the characteristic point of the target fingerprint image and the characteristic point of the first object fingerprint template is small
It is greater than or equal to third threshold value in the first threshold, the terminal device determines the target fingerprint image and first mesh
The not overlapping region of fingerprint template is marked, and updates the first object fingerprint template using the not overlapping region.
Optionally, the not overlapping region includes the target fingerprint image relative to the first object fingerprint template
First not the second not overlapping region of overlapping region and first object fingerprint template relative to the target fingerprint image, the end
End equipment has using the specific embodiment that overlapping region does not update the first object fingerprint template: the terminal device
Determine the coincidence ratio of the described first not overlapping region and the described second not characteristic point of overlapping region;If described first is not overlapped
The coincidence ratio of region and the described second not characteristic point of overlapping region is less than or equal to the 6th threshold value, and the terminal device is by institute
State first not overlapping region be added in the first object fingerprint template;If described first overlapping region and described second is not
The coincidence ratio of the characteristic point of overlapping region is greater than the 6th threshold value and is less than or equal to the 7th threshold value, and the terminal device will
Described first not overlapping region relative to described second not the not overlapping region of overlapping region be added to described second and be not overlapped area
In domain;If described first not overlapping region and described second not the characteristic point of overlapping region coincidence ratio be greater than the 7th threshold
Value and be less than or equal to the 8th threshold value, the terminal device by described second not overlapping region be changed to described first and be not overlapped area
Domain.
As an example it is assumed that first not overlapping region be A, second not overlapping region be B, if the feature of the characteristic point of A and B
The registration of point, which is less than or equal to the 6th threshold value (such as close to 5%), indicates the non-inclusion region A of first object fingerprint template, should
A, is directly added in first object fingerprint template by kind situation, if the registration of the characteristic point of the characteristic point and B of A is greater than the 6th
Threshold value, which is less than or equal to the 7th threshold value (such as 20%~50%), indicates that first object fingerprint template has the fraction of inclusion region A
The opposite not overlapping region with B A is directly added in B, if the weight of the characteristic point of the characteristic point and B of A by region, this kind of situation
It is right to be greater than the 7th threshold value and indicate that first object fingerprint template has and includes less than or equal to the 8th threshold value (such as 50%~70%)
B is directly changed to A by most of region of region A, this kind of situation.
It should be noted that overlapping region indicates some region of first object fingerprint image and first object fingerprint template
Characteristic point registration it is very high (such as 80% or more), similarly, overlapping region does not indicate first object fingerprint image and the first mesh
The characteristic point registration for marking some region of fingerprint template is relatively low (such as 0~80%).
Optionally, the target fingerprint image meets fingerprint template update condition, comprising: the target fingerprint image it is total
The similarity of body characteristics and the general characteristic of the target fingerprint template is greater than or equal to the 4th threshold value, and the target fingerprint figure
The clarity of picture is greater than or equal to the 5th threshold value, then confirms that the target fingerprint image meets fingerprint template update condition.
Optionally, terminal device described in above step S101 obtains the specific embodiment of target fingerprint image are as follows: described
Terminal device obtains within the second period with the first object fingerprint template fingerprint than successful W fingerprint image, and the W is
Integer greater than 1;The terminal device determines the feature point number of the W fingerprint image, and by the W fingerprint image
The most fingerprint image of middle feature point number is as the target fingerprint image.
For example, user presses the strength difference of fingerprint recognition mould group, may cause the acquisition of fingerprint recognition mould group
To the feature point number of fingerprint image be different, go to update fingerprint template phase using the more fingerprint image of feature point number
Can be more preferable for going to update fingerprint template effect using the less fingerprint image of feature point number, therefore terminal device is obtained the
Two periods (such as 1 day, 3 days, 1 week, 2 weeks or other values), interior fingerprint compared successful W fingerprint image, then from this W
The largest number of fingerprint images of selected characteristic point are as target fingerprint image in fingerprint image.In addition, by fingerprint in a period of time
It compares successfully multiple fingerprint images and carries out fingerprint template update criticism together, relative to every successful match once with regard to carrying out fingerprint
Template renewal criticism, this programme can reduce the power consumption of terminal device.
The embodiment of the invention also provides another more detailed method flows, as shown in Figure 2, comprising:
S201, terminal device obtain target fingerprint image, and the target fingerprint image is to refer to first object fingerprint template
Line compares successful fingerprint image.
S202, the terminal device judge whether the target fingerprint image meets fingerprint template update condition.
If so, thening follow the steps S203.
If it is not, not making any operation then.
S203, the terminal device determine the target fingerprint image characteristic point and the first object fingerprint template
The coincidence ratio of characteristic point.
S204, the terminal device judge whether the coincidence ratio is greater than or equal to first threshold.
If so, thening follow the steps S205.
If it is not, thening follow the steps S207.
S205, the terminal device determine the second target fingerprint template, and the second target fingerprint template is and described the
One target fingerprint template be the same user's finger fingerprint template in the least finger of number of success is matched within the first period
Line template.
The second target fingerprint template replacement is the target fingerprint image by S206, the terminal device.
What S207, the terminal device determined the target fingerprint image and the first object fingerprint template is not overlapped area
Domain, and the first object fingerprint template is updated using the not overlapping region.
It should be noted that the specific implementation process of each step of method shown in Fig. 2 can be found in described in the above method
Specific implementation process, no longer describe herein.
The embodiment of the invention also provides a kind of terminal devices 300, as shown in Figure 3, comprising:
Module 301 is obtained, for obtaining target fingerprint image, the target fingerprint image is and first object fingerprint template
Fingerprint compares successful fingerprint image, and the target fingerprint image meets fingerprint template update condition;
Determining module 302, for determine the target fingerprint image characteristic point and the first object fingerprint template
The coincidence ratio of characteristic point;
Fingerprint template update module 303, if characteristic point and the first object fingerprint for the target fingerprint image
The coincidence ratio of the characteristic point of template is greater than or equal to first threshold, then using the target fingerprint image as the finger of terminal device
Line template.
Optionally, if the quantity with the fingerprint template that the first object fingerprint template is the same user's finger is N, institute
Stating N is the integer greater than 1, and fingerprint template update module 303 is specifically used for:
It determines the second target fingerprint template, and by the second target fingerprint template replacement is the target fingerprint figure
Picture, the second target fingerprint template be with the first object fingerprint template be in the fingerprint template of the same user's finger
The least fingerprint template of number of success is matched in first period.
Optionally, if the quantity with the fingerprint template that the first object fingerprint template is the same user's finger is N, institute
Stating N is the integer greater than 1, and fingerprint template update module 303 is specifically used for:
It determines third target fingerprint template, and by the third target fingerprint template replacement is the target fingerprint figure
Picture;The third target fingerprint template is and wraps in fingerprint template that the first object fingerprint template is the same user's finger
Containing the largest number of fingerprint templates of target fingerprint image characteristic point, and the feature point number of the target fingerprint image is greater than
Or the feature point number equal to the third target fingerprint template.
Optionally, determining module 302, if be also used to the target fingerprint image characteristic point and the first object fingerprint
The coincidence ratio of the characteristic point of template is less than the first threshold and is greater than or equal to third threshold value, determines the target fingerprint image
With the not overlapping region of the first object fingerprint template;
Fingerprint template update module 303 is also used to update the first object fingerprint template using the not overlapping region.
Optionally, the target fingerprint image meets fingerprint template update condition, comprising: the target fingerprint image it is total
The similarity of body characteristics and the general characteristic of the target fingerprint template is greater than or equal to the 4th threshold value, and the target fingerprint figure
The clarity of picture is greater than or equal to the 5th threshold value, then confirms that the target fingerprint image meets fingerprint template update condition.
Optionally, module 301 is obtained to be specifically used for:
It obtains within the second period with the first object fingerprint template fingerprint than successful W fingerprint image, the W is
Integer greater than 1;Determine the feature point number of the W fingerprint image, and by feature point number in the W fingerprint image
Most fingerprint images is as the target fingerprint image.
It should be noted that above-mentioned each module (obtains module 301, determining module 302 and fingerprint template update module
303) for executing the correlation step of the above method.
In the present embodiment, terminal device 300 is to present in modular form.Here " module " can refer to specific answer
With integrated circuit (application-specific integrated circuit, ASIC), execute one or more softwares or
The processor and memory of firmware program, integrated logic circuit and/or other device of above-mentioned function can be provided.In addition, with
Upper acquisition module 301, determining module 302 and fingerprint template update module 303 can pass through the place of terminal device shown in Fig. 4
Device 401 is managed to realize.
As shown in figure 4, terminal device 400 can be realized with the structure in Fig. 4, which includes at least one
A processor 401, at least one processor 402, at least one communication interface 403 and fingerprint recognition mould group 404.The processing
Device 401, the memory 402, the communication interface 403 are connected with fingerprint recognition mould group 404 by the communication bus and complete
At mutual communication.
Processor 401 can be general central processor (CPU), microprocessor, application-specific integrated circuit
(application-specific integrated circuit, ASIC), or it is one or more for controlling above scheme journey
The integrated circuit that sequence executes.
Communication interface 403 is used for and other equipment or communication, such as Ethernet, wireless access network (RAN), nothing
Line local area network (Wireless Local Area Networks, WLAN) etc..
Fingerprint recognition mould group 404, for acquiring fingerprint image.
Memory 402 can be read-only memory (read-only memory, ROM) or can store static information and instruction
Other kinds of static storage device, random access memory (random access memory, RAM) or letter can be stored
The other kinds of dynamic memory of breath and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (Electrically
Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read-
Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal
Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to
Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this.
Memory, which can be, to be individually present, and is connected by bus with processor.Memory can also be integrated with processor.
Wherein, the memory 402 be used for store execution above scheme application code, and by processor 401
Control executes.The processor 401 is for executing the application code stored in the memory 402.
The Process flowchart side for Fig. 1-Fig. 3 that terminal device provided above executes can be performed in the code that memory 402 stores
Method, for example target fingerprint image is obtained, the target fingerprint image is successfully to refer to the comparison of first object fingerprint template fingerprint
Print image, and the target fingerprint image meets fingerprint template update condition;Determine the characteristic point of the target fingerprint image with
The coincidence ratio of the characteristic point of the first object fingerprint template;If the characteristic point of the target fingerprint image and first mesh
The coincidence ratio for marking the characteristic point of fingerprint template is greater than or equal to first threshold, then sets using the target fingerprint image as terminal
Standby fingerprint template.
As follows the embodiment of the invention also provides more specifically application scenarios: above-mentioned terminal device is mobile phone, under
Face combines Fig. 5 specifically to introduce each component parts of mobile phone:
RF circuit 510 can be used for receiving and sending messages or communication process in, signal sends and receivees, particularly, by base station
After downlink information receives, handled to processor 580;In addition, the data for designing uplink are sent to base station.In general, RF circuit 510
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise
Amplifier, LNA), duplexer etc..In addition, RF circuit 510 can also be communicated with network and other equipment by wireless communication.
Any communication standard or agreement, including but not limited to global system for mobile communications (Global can be used in above-mentioned wireless communication
System of Mobile communication, GSM), general packet radio service (General Packet Radio
Service, GPRS), CDMA (Code Division Multiple Access, CDMA), wideband code division multiple access
(Wideband Code Division Multiple Access, WCDMA), long term evolution (Long Term Evolution,
LTE), Email, short message service (Short Messaging Service, SMS) etc..
Memory 520 can be used for storing software program and module, and processor 580 is stored in memory 520 by operation
Software program and module, thereby executing the various function application and data processing of mobile phone.Memory 520 can mainly include
Storing program area and storage data area, wherein storing program area can application journey needed for storage program area, at least one function
Sequence (for example fingerprint image obtains function, fingerprint compares processing function, fingerprint image piecemeal function) etc.;Storage data area can store
Created data are used (for example to know fingerprint image, the N number of fingerprint that prestores of statistics of mould group acquisition by fingerprint according to mobile phone
The priority of template) etc..In addition, memory 520 may include high-speed random access memory, it can also include non-volatile deposit
Reservoir, for example, at least a disk memory, flush memory device or other volatile solid-state parts.
Input unit 530 can be used for receiving the number or character information of input, and generate with the user setting of mobile phone with
And the related key signals input of function control.Specifically, input unit 530 may include touch panel 531, other input equipments
532 and fingerprint recognition mould group 533.Touch panel 531, also referred to as touch screen collect the touch of user on it or nearby
Operation (for example user uses any suitable objects or attachment such as finger, stylus on touch panel 531 or in touch panel
Operation near 531), and corresponding attachment device is driven according to preset formula.Optionally, touch panel 531 can wrap
Include both touch detecting apparatus and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect
Touch operation bring signal, transmits a signal to touch controller;Touch controller receives touch from touch detecting apparatus
Information, and be converted into contact coordinate, then give processor 580, and order that processor 580 is sent can be received and held
Row.Furthermore, it is possible to realize touch panel 531 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.It removes
With touch panel 531, input unit 530 can also include other input equipments 532.Specifically, other input equipments 532 can
To include but is not limited to physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick
At least one of Deng.Fingerprint recognition mould group 533 is arranged in combination with the dome key of terminal device, also in combination with touch panel 531
Setting.For example fingerprint recognition mould group 533 is set to 531 lower section of touch panel, when the finger of user touches the touch of terminal device
When screen, the fingerprint recognition mould group 533 being placed in below touch panel 531 can collect the fingerprint image of the finger of user.
Display unit 540 can be used for showing information input by user or be supplied to user information and mobile phone it is various
Menu.Display unit 540 may include display panel 541, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure
Show panel 541.Further, touch panel 531 can cover display panel 541, when touch panel 531 detect it is on it or attached
After close touch operation, processor 580 is sent to determine the type of touch event, is followed by subsequent processing device 580 according to touch event
Type corresponding visual output is provided on display panel 541.Although in Fig. 5, touch panel 531 and display panel 541
It is that the input and input function of mobile phone are realized as two independent components, but in some embodiments it is possible to by touch-control
Panel 531 and display panel 541 are integrated and that realizes mobile phone output and input function.
Mobile phone may also include at least one sensor 550, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light
Light and shade adjust the brightness of display panel 541, proximity sensor can close display panel 541 when mobile phone is moved in one's ear
And/or backlight.As a kind of motion sensor, accelerometer sensor can detect (generally three axis) acceleration in all directions
Size, can detect that size and the direction of gravity when static, can be used to identify the application of mobile phone posture, (for example horizontal/vertical screen is cut
Change, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.;May be used also as mobile phone
The other sensors such as gyroscope, barometer, hygrometer, thermometer, the infrared sensor of configuration, details are not described herein.
Voicefrequency circuit 560, loudspeaker 561, microphone 562 can provide the audio interface between user and mobile phone.Audio-frequency electric
Electric signal after the audio data received conversion can be transferred to loudspeaker 561, be converted to sound by loudspeaker 561 by road 560
Signal output;On the other hand, the voice signal of collection is converted to electric signal by microphone 562, is turned after being received by voicefrequency circuit 560
It is changed to audio data, then by after the processing of audio data output processor 580, such as another mobile phone is sent to through RF circuit 510,
Or audio data is exported to memory 520 to be further processed.
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 provides wireless broadband internet access for user.Although Fig. 5 is shown
WiFi module 570, but it is understood that, and it is not belonging to must be configured into for mobile phone, it can according to need do not changing completely
Become in the range of the essence of invention and omits.
Processor 580 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, is led to
It crosses operation or executes the software program and/or module being stored in memory 520, and call and be stored in memory 520
Data execute the various functions and processing data of mobile phone, to carry out integral monitoring to mobile phone.Optionally, processor 580 can wrap
Include one or more processing units;Preferably, processor 580 can integrate application processor and modem processor, wherein answer
With the main processing operation system of processor, user interface and application program etc., modem processor mainly handles wireless communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 580.
Mobile phone further 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 and processor 580 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system
Etc. functions.
Although being not shown, mobile phone can also include camera, bluetooth module etc., and details are not described herein.
In previous embodiment, each step method process can be realized based on the structure of terminal device shown in fig. 5.
The embodiment of the present invention also provides a kind of computer storage medium, wherein the computer storage medium can be stored with journey
Sequence, the program include some or all of any fingerprint template update method recorded in above method embodiment when executing
Step.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of the unit, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer-readable access to memory.Based on this understanding, technical solution of the present invention substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment the method for the present invention
Step.And memory above-mentioned includes: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic or disk.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory
May include: flash disk, read-only memory (English: Read-Only Memory, referred to as: ROM), random access device (English:
Random Access Memory, referred to as: RAM), disk or CD etc..
The embodiment of the present invention has been described in detail above, specific case used herein to the principle of the present invention and
Embodiment is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas;
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the present invention
There is change place, to sum up above-mentioned, the contents of this specification are not to be construed as limiting the invention.
Claims (14)
1. a kind of fingerprint template update method characterized by comprising
Target fingerprint image is obtained, the target fingerprint image is to compare successful fingerprint image with first object fingerprint template fingerprint
Picture, and the target fingerprint image meets fingerprint template update condition;
Determine the coincidence ratio of the characteristic point of the target fingerprint image and the characteristic point of the first object fingerprint template;Its
In, the fingerprint feature point of Based on Feature Points fingerprint image, fingerprint feature point includes general characteristic point and local feature region;
If the coincidence ratio of the characteristic point of the target fingerprint image and the characteristic point of the first object fingerprint template be greater than or
Equal to first threshold, then using the target fingerprint image as the fingerprint template of terminal device;
Wherein, the method also includes: if the spy of the characteristic point of the target fingerprint image and the first object fingerprint template
The coincidence ratio of sign point is less than the first threshold and is greater than or equal to third threshold value, determines the target fingerprint image and described the
The not overlapping region of one target fingerprint template, and the first object fingerprint template is updated using the not overlapping region;
Wherein, the not overlapping region include the target fingerprint image relative to the first object fingerprint template first not
The the second not overlapping region of overlapping region and first object fingerprint template relative to the target fingerprint image;
Wherein, the first object fingerprint template is updated using the not overlapping region comprise determining that described first is not overlapped area
The coincidence ratio in domain and the described second not characteristic point of overlapping region;If described first not overlapping region and described second be not overlapped
The coincidence ratio of the characteristic point in region be less than or equal to the 6th threshold value, by described first not overlapping region be added to first mesh
It marks in fingerprint template;If described first not overlapping region and described second not the characteristic point of overlapping region coincidence ratio be greater than institute
State the 6th threshold value and be less than or equal to the 7th threshold value, by described first not overlapping region relative to the described second not overlapping region
Not overlapping region be added to described second not in overlapping region;If described first not overlapping region and described second be not overlapped area
The coincidence ratio of the characteristic point in domain is greater than the 7th threshold value and is less than or equal to the 8th threshold value, by the described second not overlapping region
It is changed to the described first not overlapping region.
2. the method according to claim 1, wherein if being the same user with the first object fingerprint template
The quantity of the fingerprint template of finger is N, and the N is the integer greater than 1, described using the target fingerprint image as terminal device
Fingerprint template, comprising:
It determines the second target fingerprint template, and by the second target fingerprint template replacement is the target fingerprint image, institute
The second target fingerprint template is stated to be in the fingerprint template of the same user's finger first with the first object fingerprint template
The least fingerprint template of number of success is matched in period.
3. the method according to claim 1, wherein if being the same user with the first object fingerprint template
The quantity of the fingerprint template of finger is N, and the N is the integer greater than 1, described using the target fingerprint image as terminal device
Fingerprint template, comprising:
It determines third target fingerprint template, and by the third target fingerprint template replacement is the target fingerprint image;Institute
State third target fingerprint template for in fingerprint template that the first object fingerprint template is the same user's finger comprising institute
The largest number of fingerprint templates of target fingerprint image characteristic point are stated, and the feature point number of the target fingerprint image is greater than or waits
In the feature point number of the third target fingerprint template.
4. method according to claim 1-3, which is characterized in that the target fingerprint image meets fingerprint template
Update condition, comprising: the similarity of the general characteristic of the target fingerprint image and the general characteristic of the target fingerprint template
More than or equal to the 4th threshold value, and the clarity of the target fingerprint image is greater than or equal to the 5th threshold value, then confirms the mesh
Mark fingerprint image meets fingerprint template update condition.
5. method according to claim 1-3, which is characterized in that the acquisition target fingerprint image, comprising:
Obtain within the second period with the first object fingerprint template fingerprint than successful W fingerprint image, the W for greater than
1 integer;
Determine the feature point number of the W fingerprint image, and the finger that feature point number in the W fingerprint image is most
Print image is as the target fingerprint image.
6. according to the method described in claim 4, it is characterized in that, the acquisition target fingerprint image, comprising:
Obtain within the second period with the first object fingerprint template fingerprint than successful W fingerprint image, the W for greater than
1 integer;
Determine the feature point number of the W fingerprint image, and the finger that feature point number in the W fingerprint image is most
Print image is as the target fingerprint image.
7. a kind of terminal device characterized by comprising
Module is obtained, for obtaining target fingerprint image, the target fingerprint image is and first object fingerprint template fingerprint pair
Than successful fingerprint image, and the target fingerprint image meets fingerprint template update condition;
Determining module, for determining the characteristic point of the target fingerprint image and the characteristic point of the first object fingerprint template
Coincidence ratio;Wherein, the fingerprint feature point of Based on Feature Points fingerprint image, fingerprint feature point include that general characteristic point and part are special
Sign point;
Fingerprint template update module, if for the characteristic point of the target fingerprint image and the spy of the first object fingerprint template
The coincidence ratio of sign point is greater than or equal to first threshold, then using the target fingerprint image as the fingerprint template of terminal device;
Wherein, the determining module, if be also used to the target fingerprint image characteristic point and the first object fingerprint template
Characteristic point coincidence ratio be less than the first threshold be greater than or equal to third threshold value, determine the target fingerprint image and institute
State the not overlapping region of first object fingerprint template;The fingerprint template update module is also used to utilize the not overlapping region
Update the first object fingerprint template;
Wherein, the not overlapping region include the target fingerprint image relative to the first object fingerprint template first not
The the second not overlapping region of overlapping region and first object fingerprint template relative to the target fingerprint image;
Wherein, the first object fingerprint template is updated using the not overlapping region comprise determining that described first is not overlapped area
The coincidence ratio in domain and the described second not characteristic point of overlapping region;If described first not overlapping region and described second be not overlapped
The coincidence ratio of the characteristic point in region be less than or equal to the 6th threshold value, by described first not overlapping region be added to first mesh
It marks in fingerprint template;If described first not overlapping region and described second not the characteristic point of overlapping region coincidence ratio be greater than institute
State the 6th threshold value and be less than or equal to the 7th threshold value, by described first not overlapping region relative to the described second not overlapping region
Not overlapping region be added to described second not in overlapping region;If described first not overlapping region and described second be not overlapped area
The coincidence ratio of the characteristic point in domain is greater than the 7th threshold value and is less than or equal to the 8th threshold value, by the described second not overlapping region
It is changed to the described first not overlapping region.
8. terminal device according to claim 7, which is characterized in that if being same with the first object fingerprint template
The quantity of the fingerprint template of user's finger is N, and the N is the integer greater than 1, and the fingerprint template update module is specifically used for:
It determines the second target fingerprint template, and by the second target fingerprint template replacement is the target fingerprint image, institute
The second target fingerprint template is stated to be in the fingerprint template of the same user's finger first with the first object fingerprint template
The least fingerprint template of number of success is matched in period.
9. terminal device according to claim 7, which is characterized in that if being same with the first object fingerprint template
The quantity of the fingerprint template of user's finger is N, and the N is the integer greater than 1, and the fingerprint template update module is specifically used for:
It determines third target fingerprint template, and by the third target fingerprint template replacement is the target fingerprint image;Institute
State third target fingerprint template for in fingerprint template that the first object fingerprint template is the same user's finger comprising institute
The largest number of fingerprint templates of target fingerprint image characteristic point are stated, and the feature point number of the target fingerprint image is greater than or waits
In the feature point number of the third target fingerprint template.
10. according to the described in any item terminal devices of claim 7-9, which is characterized in that the target fingerprint image satisfaction refers to
Line template renewal condition, comprising: the general characteristic of the target fingerprint image and the general characteristic of the target fingerprint template
Similarity is greater than or equal to the 4th threshold value, and the clarity of the target fingerprint image is greater than or equal to the 5th threshold value, then confirms
The target fingerprint image meets fingerprint template update condition.
11. according to the described in any item terminal devices of claim 7-9, which is characterized in that the acquisition module is specifically used for:
Obtain within the second period with the first object fingerprint template fingerprint than successful W fingerprint image, the W for greater than
1 integer;
Determine the feature point number of the W fingerprint image, and the finger that feature point number in the W fingerprint image is most
Print image is as the target fingerprint image.
12. terminal device according to claim 10, which is characterized in that
The acquisition module is specifically used for: obtaining within the second period with the first object fingerprint template fingerprint than successful W
A fingerprint image, the W are the integer greater than 1;It determines the feature point number of the W fingerprint image, and described W is referred to
The most fingerprint image of feature point number is as the target fingerprint image in print image.
13. a kind of terminal device characterized by comprising
It is stored with the memory of executable program code;
The processor coupled with the memory;
For acquiring the fingerprint recognition mould group of fingerprint image;
The processor calls the executable program code stored in the memory, executes as claim 1 to 6 is any
Method described in.
14. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey
Sequence, the computer program is for instructing related hardware, to complete such as method as claimed in any one of claims 1 to 6.
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CN106534560B (en) * | 2016-11-25 | 2020-06-12 | 南京白下高新技术产业园区投资发展有限责任公司 | Mobile terminal control device and method |
CN111666551A (en) * | 2017-02-23 | 2020-09-15 | 赵成智 | Method and device for automatically inputting fingerprint |
CN110555918B (en) * | 2018-06-01 | 2022-04-26 | 杭州海康威视数字技术股份有限公司 | Attendance management method and attendance management equipment |
CN109002493A (en) * | 2018-06-27 | 2018-12-14 | 北京小米移动软件有限公司 | Fingerprint database update method, device, terminal and storage medium |
CN111862412A (en) * | 2020-07-21 | 2020-10-30 | 上海茂声智能科技有限公司 | Picture obtaining method and device for intelligent door lock and intelligent door lock system |
CN113127837B (en) | 2020-12-18 | 2024-06-11 | 神盾股份有限公司 | Updating method, equipment and computer readable medium for electronic equipment configuration parameters |
CN116311388B (en) * | 2022-08-18 | 2024-05-10 | 荣耀终端有限公司 | Fingerprint identification method and device |
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