CN105868597A - Fingerprint unlocking method and mobile terminal - Google Patents
Fingerprint unlocking method and mobile terminal Download PDFInfo
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- CN105868597A CN105868597A CN201610383023.4A CN201610383023A CN105868597A CN 105868597 A CN105868597 A CN 105868597A CN 201610383023 A CN201610383023 A CN 201610383023A CN 105868597 A CN105868597 A CN 105868597A
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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
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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 embodiment of the invention discloses a fingerprint unlocking method and a mobile terminal. The fingerprint unlocking method comprises the following steps: extracting at least one detail feature point in a fingerprint image inputted by a user; sorting at least one preset fingerprint template according to the quantity of the detail feature points matched with the inputted fingerprint image; successively comparing the inputted fingerprint image with the at least one fingerprint template according to the sorting; and unlocking the mobile terminal when the matching degree between the inputted fingerprint image and at least one fingerprint template reaches a preset matching degree threshold. According to the embodiment of the invention, the matching of the fingerprint template at a higher matching degree is preferably performed by adjusting the sorting of the fingerprint template, the matching speed can be increased, and the efficiency of recognizing the fingerprint is promoted.
Description
Technical field
The present invention relates to intelligent terminal's technical field, particularly relate to a kind of unlocked by fingerprint method and mobile terminal.
Background technology
Along with the development of fingerprint identification technology, the application of finger print information is increasingly extensive, nowadays the many on market
Mobile terminal is equipped with fingerprint identification module, and fingerprint identification technology can be applied to mobile terminal, promotes and moves
The safety of dynamic terminal.
Generally, for different application scenarios, user may be provided with the fingerprint conduct of different finger
Template under different scenes.Even same finger, due to the fingerprint obtained under different input conditions
Image also differs, and the fingerprint template corresponding to same finger may have multiple, therefore logical in mobile terminal
Often storage has many fingerprint templates.In prior art, when carrying out finger print identifying, need user's input
Fingerprint image contrasts one by one with multiple fingerprint templates of storage, causes finger print identifying the longest, inefficient.
Summary of the invention
Embodiments provide a kind of unlocked by fingerprint method and mobile terminal, matching speed can be accelerated, carry
Rise the efficiency of fingerprint recognition.
Embodiment of the present invention first aspect provides a kind of unlocked by fingerprint method, it may include:
Extract at least one details in the fingerprint image of user's input；
At least one fingerprint template prestored is matched according to its fingerprint image with described input having
The quantity of details is ranked up；
It is right to be carried out with at least one fingerprint template described successively by the fingerprint image of described input according to described sequence
Ratio；
Matching degree between fingerprint image and one of them fingerprint template of relatively described input reaches default
During matching degree threshold value, unlock mobile terminal.
As a kind of feasible implementation, described by the multiple fingerprint templates prestored according to its have with defeated
Before the quantity of the characteristic point that the fingerprint image entered matches is ranked up, described unlocked by fingerprint method also includes:
Extract the general characteristic of the fingerprint image of described input；
Determine in the multiple fingerprint templates prestored the finger that the general characteristic with the fingerprint image of described input matches
Stricture of vagina template is at least one fingerprint template described.
As a kind of feasible implementation, described have at least one fingerprint template prestored according to it
Before the quantity of details matched with the fingerprint image of input is ranked up, described unlocked by fingerprint side
Method also includes:
Determine and the multiple fingerprint templates prestored mate with the fingerprint image of described input at least one described details
The fingerprint template of characteristic point is at least one fingerprint template described.
As a kind of feasible implementation, described have at least one fingerprint template prestored according to it
The quantity of details matched with the fingerprint image of input is ranked up, including:
According at least one fingerprint template prestored according to its have with input fingerprint image match thin
The quantity of joint characteristic point, is ranked up at least one fingerprint template described from more to few successively according to quantity.
As a kind of feasible implementation, described according to described sequence by fingerprint image successively with described at least
One fingerprint template contrasts, including:
Compare successively according to described sequence between fingerprint image and at least one fingerprint template described of described input
Similarity or difference；
Described matching degree between fingerprint image and one of them fingerprint template of relatively described input reaches pre-
If matching degree threshold value time, unlock terminal, including:
Judge whether described similarity is more than the similarity threshold preset, or, it is judged that described difference is the least
In default difference threshold；
If the determination result is YES, it is determined that between fingerprint image and one of them fingerprint template of described input
Degree of joining reaches default matching degree threshold value, and unlocks mobile terminal.
As a kind of feasible implementation, described according to described sequence by fingerprint image successively with described at least
One fingerprint template contrasts with the fingerprint image of described input, including:
It is right to be carried out with at least one fingerprint template described successively by the fingerprint image of described input according to described sequence
Ratio, the quantity of the details matched in both statistics；
Described matching degree between fingerprint image and one of them fingerprint template of relatively described input reaches pre-
If matching degree threshold value time, unlock terminal, including:
Whether the quantity of the details matched described in judgement is more than the amount threshold preset；
If the determination result is YES, it is determined that between fingerprint image and one of them fingerprint template of described input
Degree of joining reaches default matching degree threshold value, and unlocks mobile terminal.
Embodiment of the present invention second aspect provides a kind of mobile terminal, it may include:
Extraction module, at least one details in the fingerprint image extracting user's input；
Order module, for its fingerprint image with described input having by least one fingerprint template prestored
The quantity of the details as matching is ranked up；
Contrast module, for according to described sequence by the fingerprint image of described input successively with described at least one
Fingerprint template contrasts；
Unlocked state, between fingerprint image and one of them fingerprint template when relatively described input
When degree of joining reaches default matching degree threshold value, unlock mobile terminal.
As a kind of feasible implementation, described extraction module, it is additionally operable to extract the fingerprint image of described input
The general characteristic of picture；
Described mobile terminal also includes:
First determines module, for determine in the multiple fingerprint templates prestored with the fingerprint image of described input
The fingerprint template that general characteristic matches is at least one fingerprint template described.
As a kind of feasible implementation, described mobile terminal also includes:
Second determines module, is matched to the fingerprint image inputted for determining in the multiple fingerprint templates prestored
The fingerprint template of a few described details is at least one fingerprint template described.
As a kind of feasible implementation, described order module specifically for:
According at least one fingerprint template prestored according to its have with input fingerprint image match thin
The quantity of joint characteristic point, is ranked up at least one fingerprint template described from more to few successively according to quantity.
As a kind of feasible implementation,
Described contrast module, specifically for: according to described sequence successively compare described input fingerprint image with
Similarity between at least one fingerprint template described or difference；
Described unlocked state, specifically for:
Judge whether described similarity is more than the similarity threshold preset, or, it is judged that described difference is the least
In default difference threshold；
If the determination result is YES, it is determined that between fingerprint image and one of them fingerprint template of described input
Degree of joining reaches default matching degree threshold value, and unlocks mobile terminal.
As a kind of feasible implementation, described judge module, including:
Described contrast module, specifically for: according to described sequence by the fingerprint image of described input successively with institute
State at least one fingerprint template and contrast, the quantity of the details matched in both statistics；
Described unlocked state, specifically for:
Whether the quantity of the details matched described in judgement is more than the amount threshold preset；
If the determination result is YES, it is determined that between fingerprint image and one of them fingerprint template of described input
Degree of joining reaches default matching degree threshold value, and unlocks terminal.
The embodiment of the present invention third aspect provides a kind of mobile terminal, it may include processor and memorizer, wherein,
Described processor is for performing in first aspect or the feasible implementation of first aspect the finger described in any one
Stricture of vagina unlocking method.
In the embodiment of the present invention, at least one details in the fingerprint image of user's input can be extracted；
The details that at least one fingerprint template prestored is matched according to its fingerprint image with described input having
The quantity of characteristic point is ranked up；According to described sequence by the fingerprint image of described input successively with described at least
One fingerprint template contrasts；Between fingerprint image and one of them fingerprint template of relatively described input
Matching degree reach default matching degree presentation time, unlock mobile terminal.Use the embodiment of the present invention, by adjusting
The sequence of whole fingerprint template, preferentially carries out the coupling of the higher fingerprint template of matching degree, can accelerate matching speed,
Promote the efficiency of fingerprint recognition.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is some of the present invention
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawing can be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of an embodiment of the unlocked by fingerprint method that the embodiment of the present invention provides；
Fig. 2 is the schematic flow sheet of another embodiment of the unlocked by fingerprint method that the embodiment of the present invention provides；
Fig. 3 is the schematic flow sheet of the another embodiment of the unlocked by fingerprint method that the embodiment of the present invention provides；
Fig. 4 is the structural representation of an embodiment of the mobile terminal that the embodiment of the present invention provides；
Fig. 5 is the structural representation of another embodiment of the mobile terminal that the embodiment of the present invention provides；
Fig. 6 is the structural representation of the another embodiment of the mobile terminal that the embodiment of the present invention provides；
Fig. 7 is the structural representation of an embodiment of the mobile phone that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is a part of embodiment of the present invention rather than all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
The embodiment of the invention discloses a kind of unlocked by fingerprint method and mobile terminal, matching speed can be accelerated, carry
Rise the efficiency of fingerprint recognition.It is described in detail below with reference to accompanying drawing.The wherein movement of the embodiment of the present invention
Terminal may include but be not limited to the mobile terminals such as mobile phone, notebook computer, panel computer.
Refer to the flow process of an embodiment that Fig. 1, Fig. 1 are the unlocked by fingerprint methods that the embodiment of the present invention provides show
It is intended to.The method of the embodiment of the present invention can be realized by mobile terminal.As it is shown in figure 1, the method is permissible
Comprise the following steps:
S101, extracts at least one details in the fingerprint image of user's input.
In being embodied as, the fingerprint image of user's input can be obtained by fingerprint sensor.
As a kind of feasible embodiment, extract at least one details in the fingerprint image of user's input special
Before levying a little, first the fingerprint image of user's input can be carried out pretreatment.Such as carry out the specification of fingerprint image
Change, fingerprint segmentation, fingerprint enhancing, fingerprint binaryzation, refinement etc..
Alternatively, during details can include the cross point in fingerprint image, turning point, breakpoint at least one
Kind.The characteristic parameter of details can include position, curvature, direction etc. relative to core point.Wherein
At least one details above-mentioned can be all or part of minutia in the fingerprint image that user inputs
Point.
S102, the fingerprint image phase with described input that at least one fingerprint template prestored is had according to it
The quantity of the details of coupling is ranked up.
In the embodiment that some are feasible, before at least one fingerprint template above-mentioned is ranked up, can
First from the multiple fingerprint templates prestored, filter out at least one fingerprint template above-mentioned.Alternatively, can will prestore
Multiple fingerprint templates in mate the fingerprint of at least one above-mentioned details with the fingerprint image of described input
Template is defined as at least one fingerprint template above-mentioned；Or, fingerprint image overall of user's input can be extracted
Feature；The finger that in the multiple fingerprint templates that will prestore, general characteristic with the fingerprint image of described input matches
Stricture of vagina template is defined as at least one fingerprint template described.
Wherein, during general characteristic can include stricture of vagina shape, Mode Areas, core point, triangulation point and stricture of vagina number at least one.
Stricture of vagina shape can include annular (also known as bucket shape), arch and spiral type.Mode Areas refers to include in fingerprint image
The region of general characteristic, some recognizers can tell the type belonging to fingerprint according to Mode Areas.Core
Point is positioned at the progressive center of fingerprint lines, and it is as a reference point when reading fingerprint and comparison fingerprint.Triangulation point
Be positioned at first bifurcation or breakpoint, or two lines convergences started from core point, isolated point,
Turn back place, or points to these singular points.In place of triangulation point provides the beginning of counting tracking of fingerprint lines.
The quantity of fingerprint lines in stricture of vagina number, i.e. Mode Areas.Alternatively, general characteristic matches, it may include stricture of vagina shape phase
With, Mode Areas matching degree reach the position of certain threshold value, core point or triangulation point in the range of certain error,
The difference of stricture of vagina number waits at least one in the range of some.
In being embodied as, according to the spy of at least one details above-mentioned in the fingerprint image of user's input
Levy parameter, it may be determined that whether fingerprint template exists the details matched, and determines fingerprint template
In the quantity of the details matched that has.
Preferably, the fingerprint image phase with input at least one fingerprint template prestored can being had according to it
The quantity of the details of coupling is ranked up from more to less.Then after sequence, with the finger of user's input
Before the fingerprint template that print image matching degree is higher is preferentially come, if mating according to above-mentioned sequence, can
Faster match the energy fingerprint template that the match is successful, accelerate the speed of fingerprint recognition.
S103, according to described sequence by the fingerprint image of described input successively with at least one fingerprint template described
Contrast.
As a kind of feasible embodiment, the fingerprint image of described input can be compared one by one according to described sequence
And the similarity between each fingerprint template or difference.
As the embodiment that another kind is feasible, can be according to described sequence successively by owning in each fingerprint template
Details contrasts with all details in the fingerprint image of described input, adds up each fingerprint
The quantity of the details that the fingerprint image with described input having in template matches.
S104, the matching degree between fingerprint image and one of them fingerprint template of relatively described input reaches
During the matching degree threshold value preset, unlock mobile terminal.
As a kind of feasible embodiment, the matching degree between the fingerprint image of fingerprint template and described input
Can determine according to similarity between the two or difference, similarity is the highest or difference is the least, then matching degree is the highest.
When above-mentioned similarity is more than the similarity threshold preset, or when above-mentioned difference is less than the difference threshold preset,
Can determine that matching degree reaches default matching degree threshold value.
As the embodiment that another kind is feasible, the coupling between the fingerprint image of fingerprint template and described input
The quantity of the details that degree can match according to the fingerprint image with described input having in fingerprint template
Determining, the quantity of the above-mentioned details matched is the highest, then matching degree is the highest.Match when above-mentioned
When the quantity of details reaches default amount threshold, can determine that matching degree reaches default matching degree threshold
Value.
In being embodied as, mate according to the sequence of at least one fingerprint template, when the match is successful, if
All fingerprint templates are not mated, can directly stop coupling and unlock mobile terminal.
Alternatively, unlock mobile terminal to include unlocking the screen of mobile terminal or unlock answering in mobile terminal
Use program.
In the embodiment of the present invention, at least one details in the fingerprint image of user's input can be extracted；
The details that at least one fingerprint template prestored is matched according to its fingerprint image with described input having
The quantity of characteristic point is ranked up；According to described sequence by the fingerprint image of described input successively with described at least
One fingerprint template contrasts；Between fingerprint image and one of them fingerprint template of relatively described input
Matching degree reach default matching degree presentation time, unlock mobile terminal.Use the embodiment of the present invention, by adjusting
The sequence of whole fingerprint template, preferentially carries out the coupling of the higher fingerprint template of matching degree, can accelerate matching speed,
Promote the efficiency of fingerprint recognition.
Refer to the flow process that Fig. 2, Fig. 2 are another embodiments of the unlocked by fingerprint method that the embodiment of the present invention provides
Schematic diagram.The method of the embodiment of the present invention can be realized by mobile terminal.As in figure 2 it is shown, the method can
To comprise the following steps:
S201, extracts at least one details in the fingerprint image of user's input.
S202, the fingerprint image phase with described input that at least one fingerprint template prestored is had according to it
The quantity of the details of coupling is ranked up.
Wherein, the detailed description of the invention of step S201 and step S202 refers to walk in embodiment illustrated in fig. 1
Rapid S101 and the associated description of step S102, here is omitted.
S203, compares the fingerprint image of described input and at least one fingerprint mould described successively according to described sequence
Similarity between plate or difference.
In being embodied as, after at least one fingerprint template above-mentioned is ranked up, can depend on according to described sequence
Secondary at least one fingerprint template above-mentioned is compared with the fingerprint image that user inputs, compare between the two
Similarity or difference.
After above-mentioned sequence, before the fingerprint template higher with the fingerprint image matching degree of user's input is come
Face, if comparing according to above-mentioned sequence, can faster compare the energy fingerprint template that the match is successful, accelerating to refer to
The speed of stricture of vagina identification.
S204, it is judged that whether described similarity is more than the similarity threshold preset, or, it is judged that described difference
Whether less than the difference threshold preset；If the determination result is YES, step S205 is performed.
In being embodied as, often it is calculated the similarity between a fingerprint template and above-mentioned fingerprint image or difference
After value, can determine whether whether current calculated similarity is more than the similarity threshold preset, or, sentence
Whether disconnected current calculated difference is less than the difference threshold preset.If the determination result is YES, then judge to work as
The front matching degree between fingerprint template and the fingerprint image of described input reaches default matching degree threshold value, i.e.
Fingerprint matching success.
S205, it is determined that the matching degree between fingerprint image and one of them fingerprint template of described input reaches pre-
If matching degree threshold value, and unlock mobile terminal.
In the embodiment that some are feasible, mate according to above-mentioned sequence, when the match is successful, if not
All fingerprint templates are mated, coupling can be stopped and directly unlocking mobile terminal.
Alternatively, unlock mobile terminal to include unlocking the screen of mobile terminal or unlock answering in mobile terminal
Use program.
In the embodiment of the present invention, at least one details in the fingerprint image of user's input can be extracted；
The details that at least one fingerprint template prestored is matched according to its fingerprint image with described input having
The quantity of characteristic point is ranked up；According to described sequence successively compare described input fingerprint image with described extremely
Similarity between a few fingerprint template or difference, it is judged that whether described similarity is more than the similarity preset
Threshold value, or, it is judged that whether described difference is less than the difference threshold preset；When judged result is for being, sentence
Matching degree between fingerprint image and one of them fingerprint template of fixed described input reaches default matching degree threshold
Value, and unlock mobile terminal.Use the embodiment of the present invention, by adjusting the sequence of fingerprint template, preferentially enter
The coupling of the fingerprint template that row matching degree is higher, can accelerate matching speed, promotes the efficiency of fingerprint recognition.
Refer to the flow process that Fig. 3, Fig. 3 are the another embodiments of the unlocked by fingerprint method that the embodiment of the present invention provides
Schematic diagram.The method of the embodiment of the present invention can be realized by mobile terminal.As it is shown on figure 3, the method can
To comprise the following steps:
S301, extracts at least one details in the fingerprint image of user's input.
S302, the fingerprint image phase with described input that at least one fingerprint template prestored is had according to it
The quantity of the details of coupling is ranked up.
Wherein, the detailed description of the invention of step S301 and step S302 refers to walk in embodiment illustrated in fig. 1
Rapid S101 and the associated description of step S102, here is omitted.
S303, according to described sequence by the fingerprint image of described input successively with at least one fingerprint template described
Contrast, the quantity of the details matched in both statistics.
As a kind of feasible embodiment, can be according to described sequence successively by least one fingerprint template described
In details in the fingerprint image that inputs of details and the user of each fingerprint template contrast,
The quantity of the details matched in both statistics.Specifically, can be joined by the feature of details
The difference of number, such as position, curvature, relative to the difference in direction etc. of core point whether at certain error model
Enclose and interior determine whether two details match.
S304, it is judged that described in the quantity of details that matches whether more than the amount threshold preset, if
Judged result is yes, performs step S305.
As a kind of feasible embodiment, above-mentioned amount threshold can be pre-set, when a fingerprint template with
The logarithm of the details matched in the fingerprint image of user's input, more than this amount threshold, can determine that institute
State the matching degree threshold value that the matching degree between a fingerprint template and the fingerprint image of described input reaches default,
I.e. the match is successful.
S305, it is determined that the matching degree between fingerprint image and one of them fingerprint template of described input reaches pre-
If matching degree threshold value, and unlock mobile terminal.
In the embodiment that some are feasible, mate according to above-mentioned sequence, when the match is successful, if not
All fingerprint templates are mated, coupling can be stopped and directly unlocking mobile terminal.
Alternatively, unlock mobile terminal to include unlocking the screen of mobile terminal or unlock answering in mobile terminal
Use program.
In the embodiment of the present invention, at least one details in the fingerprint image of user's input can be extracted；
The details that at least one fingerprint template prestored is matched according to its fingerprint image with described input having
The quantity of characteristic point is ranked up；According to described sequence by the fingerprint image of described input successively with described at least
One fingerprint template contrasts, the quantity of the details matched in both statistics, it is judged that described phase
Whether the quantity of the details of coupling is more than the amount threshold preset；When judged result is for being, it is determined that
Matching degree between fingerprint image and one of them fingerprint template of described input reaches default matching degree threshold value,
And unlock mobile terminal.Use the embodiment of the present invention, by adjusting the sequence of fingerprint template, preferentially carry out
The coupling of the fingerprint template that degree of joining is higher, can accelerate matching speed, promotes the efficiency of fingerprint recognition.
Refer to the structural representation that Fig. 4, Fig. 4 are embodiments of the mobile terminal that the embodiment of the present invention provides.
As shown in Figure 4, this mobile terminal comprises the steps that
Extraction module 401, at least one details in the fingerprint image extracting user's input.
In being embodied as, the fingerprint image of user's input can be obtained by fingerprint sensor.
As a kind of feasible embodiment, extract at least one details in the fingerprint image of user's input special
Before levying a little, first the fingerprint image of user's input can be carried out pretreatment.Such as carry out the specification of fingerprint image
Change, fingerprint segmentation, fingerprint enhancing, fingerprint binaryzation, refinement etc..
Alternatively, during details can include the cross point in fingerprint image, turning point, breakpoint at least one
Kind.The characteristic parameter of details can include position, curvature, direction etc. relative to core point.Wherein
At least one details above-mentioned can be all or part of minutia in the fingerprint image that user inputs
Point.
Order module 402, for by least one fingerprint template prestored according to its have with described input
The quantity of the details that fingerprint image matches is ranked up.
In the embodiment that some are feasible, before at least one fingerprint template above-mentioned is ranked up, can
First from the multiple fingerprint templates prestored, filter out at least one fingerprint template above-mentioned.Alternatively, can will prestore
Multiple fingerprint templates in mate the fingerprint of at least one above-mentioned details with the fingerprint image of described input
Template is defined as at least one fingerprint template above-mentioned；Or, fingerprint image overall of user's input can be extracted
Feature；The finger that in the multiple fingerprint templates that will prestore, general characteristic with the fingerprint image of described input matches
Stricture of vagina template is defined as at least one fingerprint template described.
Wherein, during general characteristic can include stricture of vagina shape, Mode Areas, core point, triangulation point and stricture of vagina number at least one.
Stricture of vagina shape can include annular (also known as bucket shape), arch and spiral type.Mode Areas refers to include in fingerprint image
The region of general characteristic, some recognizers can tell the type belonging to fingerprint according to Mode Areas.Core
Point is positioned at the progressive center of fingerprint lines, and it is as a reference point when reading fingerprint and comparison fingerprint.Triangulation point
Be positioned at first bifurcation or breakpoint, or two lines convergences started from core point, isolated point,
Turn back place, or points to these singular points.In place of triangulation point provides the beginning of counting tracking of fingerprint lines.
The quantity of fingerprint lines in stricture of vagina number, i.e. Mode Areas.Alternatively, general characteristic matches, it may include stricture of vagina shape phase
With, Mode Areas matching degree reach the position of certain threshold value, core point or triangulation point in the range of certain error,
The difference of stricture of vagina number waits at least one in the range of some.
In being embodied as, according to the spy of at least one details above-mentioned in the fingerprint image of user's input
Levy parameter, it may be determined that whether fingerprint template exists the details matched, and determines fingerprint template
In the quantity of the details matched that has.
Preferably, the fingerprint image phase with input at least one fingerprint template prestored can being had according to it
The quantity of the details of coupling is ranked up from more to less.Then after sequence, with the finger of user's input
Before the fingerprint template that print image matching degree is higher is preferentially come, if mating according to above-mentioned sequence, can
Faster match the energy fingerprint template that the match is successful, accelerate the speed of fingerprint recognition.
Contrast module 403, for according to described sequence by the fingerprint image of described input successively with described at least one
Individual fingerprint template contrasts.
As a kind of feasible embodiment, the fingerprint image of described input can be compared one by one according to described sequence
And the similarity between each fingerprint template or difference.
As the embodiment that another kind is feasible, can be according to described sequence successively by owning in each fingerprint template
Details contrasts with all details in the fingerprint image of described input, adds up each fingerprint
The quantity of the details that the fingerprint image with described input having in template matches.
Unlocked state 404, between fingerprint image and one of them fingerprint template when relatively described input
Matching degree reaches the default matching degree presentation time, unlocks mobile terminal.
As a kind of feasible embodiment, the matching degree between the fingerprint image of fingerprint template and described input
Can determine according to similarity between the two or difference, similarity is the highest or difference is the least, then matching degree is the highest.
When above-mentioned similarity is more than the similarity threshold preset, or when above-mentioned difference is less than the difference threshold preset,
Can determine that matching degree reaches default matching degree threshold value.
As the embodiment that another kind is feasible, the coupling between the fingerprint image of fingerprint template and described input
The quantity of the details that degree can match according to the fingerprint image with described input having in fingerprint template
Determining, the quantity of the above-mentioned details matched is the highest, then matching degree is the highest.Match when above-mentioned
When the quantity of details reaches default amount threshold, can determine that matching degree reaches default matching degree threshold
Value.
In being embodied as, mate according to the sequence of at least one fingerprint template, when the match is successful, if
All fingerprint templates are not mated, can directly stop coupling and unlock mobile terminal.
Alternatively, unlock mobile terminal to include unlocking the screen of mobile terminal or unlock answering in mobile terminal
Use program.
In the embodiment of the present invention, at least one details in the fingerprint image of user's input can be extracted；
The details that at least one fingerprint template prestored is matched according to its fingerprint image with described input having
The quantity of characteristic point is ranked up；According to described sequence by the fingerprint image of described input successively with described at least
One fingerprint template contrasts；When relatively described input fingerprint image and one of them fingerprint template it
Between matching degree reach default matching degree presentation time, unlock mobile terminal.Use the embodiment of the present invention, pass through
Adjust the sequence of fingerprint template, preferentially carry out the coupling of the higher fingerprint template of matching degree, coupling speed can be accelerated
Degree, promotes the efficiency of fingerprint recognition.
Refer to the structural representation that Fig. 5, Fig. 5 are embodiments of the mobile terminal that the embodiment of the present invention provides.
As it is shown in figure 5, this mobile terminal comprises the steps that
Extraction module 501, at least one details in the fingerprint image extracting user's input.
Order module 502, for by least one fingerprint template prestored according to its have with described input
The quantity of the details that fingerprint image matches is ranked up.
As a kind of feasible embodiment, extraction module 501 and the detailed description of the invention of order module 502
Refer to extraction module 401 and the associated description of order module 402 in embodiment illustrated in fig. 4, the most no longer
Repeat.
In the embodiment that some are feasible, extraction module 501 can be additionally used in the fingerprint image extracting described input
The general characteristic of picture.
As an optional module, mobile terminal may also include first and determines module 503, prestores for determining
The fingerprint template matched with the general characteristic of the fingerprint image of described input in multiple fingerprint templates be described extremely
A few fingerprint template.
As an optional module, mobile terminal may also include second and determines module 504, prestores for determining
The fingerprint template mating at least one described details in multiple fingerprint templates with the fingerprint image inputted is
At least one fingerprint template described.
Contrast module 505, for according to described sequence by the fingerprint image of described input successively with described at least one
Individual fingerprint template contrasts.
As a kind of feasible embodiment, described contrast module 505 can be specifically for: according to described sequence
Compare the similarity between fingerprint image and at least one fingerprint template described of described input or difference successively.
As the feasible embodiment of another kind, described contrast module 505 can be specifically for: according to described row
Sequence by the fingerprint image of described input successively with at least one fingerprint template described with contrast, statistics both
In the quantity of details that matches.
Specifically, can be according to described sequence successively by each fingerprint template thin at least one fingerprint template described
Details in the fingerprint image that joint characteristic point and user input contrasts, and matches in both statistics
The quantity of details.Specifically, can be by the difference of the characteristic parameter of details, such as position
Put, curvature, whether determine in the range of certain error relative to the difference in the direction etc. of core point two thin
Whether joint characteristic point matches.
Unlocked state 506, between fingerprint image and one of them fingerprint template when relatively described input
Matching degree reaches the default matching degree presentation time, unlocks mobile terminal.
In the embodiment that some are feasible, unlocked state 506 can be specifically for: judges that described similarity is
No more than the similarity threshold preset, or, it is judged that whether described difference is less than the difference threshold preset；If
Judged result is yes, it is determined that the matching degree between fingerprint image and one of them fingerprint template of described input reaches
To the matching degree threshold value preset, and unlock mobile terminal.
In being embodied as, often it is calculated the similarity between a fingerprint template and above-mentioned fingerprint image or difference
After value, can determine whether whether current calculated similarity is more than the similarity threshold preset, or, sentence
Whether disconnected current calculated difference is less than the difference threshold preset.If the determination result is YES, then judge to work as
The front matching degree between fingerprint template and the fingerprint image of described input reaches default matching degree threshold value, i.e.
Fingerprint matching success.
In the embodiment that some are feasible, unlocked state 506 can be specifically for: matches described in judgement
Whether the quantity of details is more than the amount threshold preset；If the determination result is YES, it is determined that described input
Fingerprint image and one of them fingerprint template between matching degree reach default matching degree threshold value, and unlock
Terminal.
As a kind of feasible embodiment, above-mentioned amount threshold can be pre-set, when a fingerprint template with
The logarithm of the details matched in the fingerprint image of user's input, more than this amount threshold, can determine that institute
State the matching degree threshold value that the matching degree between a fingerprint template and the fingerprint image of described input reaches default,
I.e. the match is successful.
In the embodiment that some are feasible, mate according to above-mentioned sequence, when the match is successful, if not
All fingerprint templates are mated, coupling can be stopped and directly unlocking mobile terminal.
Alternatively, unlock mobile terminal to include unlocking the screen of mobile terminal or unlock answering in mobile terminal
Use program.
In the embodiment of the present invention, at least one details in the fingerprint image of user's input can be extracted；
The details that at least one fingerprint template prestored is matched according to its fingerprint image with described input having
The quantity of characteristic point is ranked up；According to described sequence by the fingerprint image of described input successively with described at least
One fingerprint template contrasts；Between fingerprint image and one of them fingerprint template of relatively described input
Matching degree reach default matching degree presentation time, unlock mobile terminal.Use the embodiment of the present invention, by adjusting
The sequence of whole fingerprint template, preferentially carries out the coupling of the higher fingerprint template of matching degree, can accelerate matching speed,
Promote the efficiency of fingerprint recognition.
Refer to the structural representation of the another embodiment of the mobile terminal that Fig. 6, Fig. 6 provide for the embodiment of the present invention
Figure.As shown in Figure 6, this mobile terminal can include processor 601 and memorizer 602, processor 601 and depositing
Reservoir 602 can be connected by bus.As an optional module, terminal unit can also comprise fingerprint collecting
Equipment 603, such as fingerprint sensor；If it should be noted that pending fingerprint image comes from other
The fingerprint image that equipment gathers, local terminal can not have this fingerprint collecting equipment 603.As one
Optional module, terminal unit can also comprise communication interface 604, and processor 601 can pass through communication interface 604
Control the radio communication with External cell net；Communication interface 604 includes but not limited to antenna, amplifier, receipts
Sender, bonder, LNA (Low Noise Amplifier, low-noise amplifier), duplexer etc..
Wherein, memorizer 602 may be used for processor 601 and performs the caching required for data process, and also may be used
Empty for the storage providing processor 601 to perform the result data that data process data and the acquisition called
Between；In memorizer 602, storage has executable program code, processor 601 can call this executable program generation
Code, to perform following operation:
Extract at least one details in the fingerprint image of user's input；At least one prestored is referred to
Stricture of vagina template is ranked up according to the quantity of its described details mated；Sentence successively according to described sequence
Whether disconnected described matching degree between at least one fingerprint template and the fingerprint image of described input reaches default
Matching degree threshold value；When judged result is for being, unlock mobile terminal.
In the embodiment that some are feasible, by the multiple fingerprint templates prestored according to comprising described characteristic point
Before quantity is ranked up, processor 601 also can call this executable program code, to perform following operation:
Extract the general characteristic of the fingerprint image of described input；
In the multiple fingerprint templates prestored, determine that the general characteristic with the fingerprint image of described input matches
At least one fingerprint template.
In the embodiment that some are feasible, by the multiple fingerprint templates prestored according to comprising described characteristic point
Before quantity is ranked up, processor 601 also can call this executable program code, to perform following operation:
From the multiple fingerprint templates prestored, determine at least one fingerprint template described, wherein said at least one
Each fingerprint template in fingerprint template mates at least one described details.
In the embodiment that some are feasible, performed by processor 601, judge institute successively according to described sequence
State whether the matching degree between at least one fingerprint template with the fingerprint image of described input reaches default mating
The step of degree threshold value, it may include:
Calculate described between at least one fingerprint template and the fingerprint image of described input successively according to described sequence
Similarity or difference；
Judge whether described similarity is more than the similarity threshold preset, or, it is judged that described difference is the least
In default difference threshold；
If the determination result is YES, it is determined that between at least one fingerprint template described and the fingerprint image of described input
Matching degree reach default matching degree threshold value.
In the embodiment that some are feasible, performed by processor 601, judge institute successively according to described sequence
State whether the matching degree between at least one fingerprint template with the fingerprint image of described input reaches default mating
The step of degree threshold value, it may include:
It is right at least one fingerprint template described and the fingerprint image of described input to be carried out successively according to described sequence
Ratio, the quantity of the details matched in both statistics；
Whether the quantity of the details matched described in judgement is more than the amount threshold preset；
If the determination result is YES, it is determined that between at least one fingerprint template described and the fingerprint image of described input
Matching degree reach default matching degree threshold value.
The embodiment of the present invention additionally provides another kind of terminal unit, as it is shown in fig. 7, for convenience of description, only
Show that the part relevant to the embodiment of the present invention, concrete ins and outs do not disclose, refer to the present invention real
Execute example method part.This terminal can be include mobile phone, panel computer, PDA (Personal Digital Assistant,
Personal digital assistant), POS (Point of Sales, point-of-sale terminal), the arbitrarily terminal unit such as vehicle-mounted computer,
As a example by terminal is as mobile phone:
Fig. 7 is illustrated that the block diagram of the part-structure of the mobile phone relevant to the terminal of embodiment of the present invention offer.
With reference to Fig. 7, mobile phone includes: radio frequency (Radio Frequency, RF) circuit 710, memorizer 720, defeated
Enter unit 730, display unit 740, sensor 750, voicefrequency circuit 760, Wireless Fidelity (wireless fidelity,
WiFi) parts such as module 770, processor 780 and power supply 790.It will be understood by those skilled in the art that
Handset structure shown in Fig. 7 is not intended that the restriction to mobile phone, can include more more or less of than diagram
Parts, or combine some parts, or different parts are arranged.
Below in conjunction with Fig. 7 each component parts of mobile phone carried out concrete introduction:
RF circuit 710 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 780；It addition, data up for design are sent
To base station.Generally, RF circuit 710 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 710 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 720 can be used for storing software program and module, and processor 780 is stored in by operation
The software program of reservoir 720 and module, thus perform the application of various functions and the data process of mobile phone.
Memorizer 720 can mainly include storing program area and storage data field, and wherein, storage program area can store behaviour
(such as fingerprint image obtains at function, fingerprint recognition to make the application program needed for system, at least one function
Reason function, screen or the unlocking function etc. of application program) etc.；Storage data field can store making according to mobile phone
By the data (the such as fingerprint image etc. of fingerprint template, user input) etc. created.Additionally, memorizer
720 can include high-speed random access memory, it is also possible to include nonvolatile memory, for example, at least one
Disk memory, flush memory device or other volatile solid-state parts.
Input block 730 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 730 can include fingerprint recognition
Module 731 and other input equipments 732.Fingerprint recognition module 731, can gather user's fingerprint thereon
Data.Optionally, fingerprint recognition module 731 can include optical fingerprint module, capacitance type fingerprint module with
And RF-type fingerprint module.It is as a example by capacitance type fingerprint identification module by fingerprint recognition module 731, specifically wraps
Include induction electrode and be connected with described induction electrode signal processing circuit (as amplifying circuit, noise suppressed electricity
Road, analog-to-digital conversion circuit, etc.).Except fingerprint recognition module 731, input block 730 can also include
Other input equipments 732.Specifically, other input equipments 732 can include but not limited to touch screen, physics
In keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
One or more.
Display unit 740 can be used for showing the information inputted by user or the information being supplied to user and mobile phone
Various menus.Display unit 740 can include display floater 741, optionally, can use liquid crystal display
(Liquid Crystal Display, LCD), Organic Light Emitting Diode (Organic Light-Emitting Diode,
Etc. OLED) form configures display floater 741.Further, contact panel 731 can cover display floater
741, when contact panel 731 detects thereon or after neighbouring touch operation, send to processor 780 with
Determine the type of touch event, with preprocessor 780 according to the type of touch event on display floater 741
Corresponding visual output is provided.Although in the figure 7, fingerprint recognition module 731 and display screen 741 are conducts
Two independent parts realize input and the input function of mobile phone, but in some embodiments it is possible to will
Fingerprint recognition module 731 is integrated with display screen 741 and realizes input and the output function of mobile phone.
Mobile phone may also include at least one sensor 750, 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 741 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 741 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 760, speaker 761, microphone 762 can provide the audio interface between user and mobile phone.
The signal of telecommunication after the voice data conversion that voicefrequency circuit 760 can will receive, is transferred to speaker 761, by raising
Sound device 761 is converted to acoustical signal output；On the other hand, the acoustical signal conversion that microphone 762 will be collected
For the signal of telecommunication, voicefrequency circuit 760 after receiving, be converted to voice data, then by voice data output processor
After 780 process, through RF circuit 710 to be sent to such as another mobile phone, or voice data is exported to depositing
Reservoir 720 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 770
Email, browsing webpage and access streaming video etc., it has provided the user wireless broadband internet and has visited
Ask.Although Fig. 7 shows WiFi module 770, 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 780 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 720 and/or module by running or performing, and calls and deposit
Storage data in memorizer 720, perform the various functions of mobile phone and process data, thus carrying out mobile phone
Integral monitoring.Optionally, processor 780 can include one or more processing unit；Preferably, processor
780 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 780.
Mobile phone also includes the power supply 790 (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 780, 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 this terminal unit realize.Wherein pass
Sensor 750 or contact panel 731 can use as fingerprint collecting equipment.
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 any unlocked by fingerprint method described in said method embodiment when performing
Part or all of step.
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.
Device embodiment described above is only schematically, wherein said illustrates as separating component
Unit can be or may not be physically separate, and the parts shown as unit can be or also
Can not be physical location, i.e. may be located at a place, or can also be distributed on multiple NE.
Some or all of module therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
Those of ordinary skill in the art, in the case of not paying performing creative labour, are i.e. appreciated that and implement.
Step in embodiment of the present invention method can carry out order according to actual needs and adjust, merges and delete.
Module or unit in embodiment of the present invention device can merge according to actual needs, divide and delete
Subtract.
The module of the embodiment of the present invention or module, can with universal integrated circuit (such as central processor CPU), or with
Special IC (ASIC) realizes.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each enforcement
Mode can add the mode of required general hardware platform by software and realize, naturally it is also possible to pass through hardware.
Based on such understanding, the part that prior art is contributed by technique scheme the most in other words is permissible
Embodying with the form of software product, this computer software product can be stored in computer-readable storage medium
In matter, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that a computer equipment
(can be personal computer, server, or the network equipment etc.) performs each embodiment or embodiment
The method described in some part.
Embodiments described above, is not intended that the restriction to this technical scheme protection domain.Any upper
Amendment, equivalent and the improvement etc. made within stating the spirit of embodiment and principle, should be included in this
Within the protection domain of technical scheme.
Claims (13)
1. a unlocked by fingerprint method, it is characterised in that including:
Extract at least one details in the fingerprint image of user's input；
At least one fingerprint template prestored is matched according to its fingerprint image with described input having
The quantity of details is ranked up；
It is right to be carried out with at least one fingerprint template described successively by the fingerprint image of described input according to described sequence
Ratio；
Matching degree between fingerprint image and one of them fingerprint template of relatively described input reaches default
During matching degree threshold value, unlock mobile terminal.
Unlocked by fingerprint method the most according to claim 1, it is characterised in that described multiple by prestore
Fingerprint template is ranked up according to the quantity of the details that its fingerprint image with input having matches
Before, described unlocked by fingerprint method also includes:
Extract the general characteristic of the fingerprint image of described input；
Determine in the multiple fingerprint templates prestored the finger that the general characteristic with the fingerprint image of described input matches
Stricture of vagina template is at least one fingerprint template described.
Unlocked by fingerprint method the most according to claim 1, it is characterised in that described will prestore at least
One fingerprint template is carried out according to the quantity of the details that its fingerprint image with input having matches
Before sequence, described unlocked by fingerprint method also includes:
Determine and the multiple fingerprint templates prestored mate with the fingerprint image of described input at least one described details
The fingerprint template of characteristic point is at least one fingerprint template described.
Unlocked by fingerprint method the most according to claim 1, it is characterised in that described will prestore at least
One fingerprint template is carried out according to the quantity of the details that its fingerprint image with input having matches
Sequence, including:
According at least one fingerprint template prestored according to its have with input fingerprint image match thin
The quantity of joint characteristic point, is ranked up at least one fingerprint template described from more to few successively according to quantity.
Unlocked by fingerprint method the most according to claim 4, it is characterised in that described according to described sequence
Fingerprint image is contrasted with at least one fingerprint template described successively, including:
Compare successively according to described sequence between fingerprint image and at least one fingerprint template described of described input
Similarity or difference；
Described matching degree between fingerprint image and one of them fingerprint template of relatively described input reaches pre-
If matching degree threshold value time, unlock terminal, including:
Judge whether described similarity is more than the similarity threshold preset, or, it is judged that described difference is the least
In default difference threshold；
If the determination result is YES, it is determined that between fingerprint image and one of them fingerprint template of described input
Degree of joining reaches default matching degree threshold value, and unlocks mobile terminal.
Unlocked by fingerprint method the most according to claim 4, it is characterised in that described according to described sequence
By fingerprint image, fingerprint image with at least one fingerprint template described with described input contrasts successively, bag
Include:
It is right to be carried out with at least one fingerprint template described successively by the fingerprint image of described input according to described sequence
Ratio, the quantity of the details matched in both statistics；
Described matching degree between fingerprint image and one of them fingerprint template of relatively described input reaches pre-
If matching degree threshold value time, unlock terminal, including:
Whether the quantity of the details matched described in judgement is more than the amount threshold preset；
If the determination result is YES, it is determined that between fingerprint image and one of them fingerprint template of described input
Degree of joining reaches default matching degree threshold value, and unlocks mobile terminal.
7. a mobile terminal, it is characterised in that including:
Extraction module, at least one details in the fingerprint image extracting user's input；
Order module, for the finger with described input being had according to it by least one fingerprint template prestored
The quantity of the details that print image matches is ranked up；
Contrast module, for according to described sequence by the fingerprint image of described input successively with described at least one
Fingerprint template contrasts；
Unlocked state, between fingerprint image and one of them fingerprint template when relatively described input
When degree of joining reaches default matching degree threshold value, unlock mobile terminal.
Mobile terminal the most according to claim 7, it is characterised in that
Described extraction module, is additionally operable to extract the general characteristic of the fingerprint image of described input；
Described mobile terminal also includes:
First determines module, for determine in the multiple fingerprint templates prestored with the fingerprint image of described input
The fingerprint template that general characteristic matches is at least one fingerprint template described.
Mobile terminal the most according to claim 7, it is characterised in that described mobile terminal also includes:
Second determines module, is matched to the fingerprint image inputted for determining in the multiple fingerprint templates prestored
The fingerprint template of a few described details is at least one fingerprint template described.
Mobile terminal the most according to claim 7, it is characterised in that described order module is specifically used
In:
According at least one fingerprint template prestored according to its have with input fingerprint image match thin
The quantity of joint characteristic point, is ranked up at least one fingerprint template described from more to few successively according to quantity.
11. mobile terminals according to claim 10, it is characterised in that
Described contrast module, specifically for: according to described sequence successively compare described input fingerprint image with
Similarity between at least one fingerprint template described or difference；
Described unlocked state, specifically for:
Judge whether described similarity is more than the similarity threshold preset, or, it is judged that described difference is the least
In default difference threshold；
If the determination result is YES, it is determined that between fingerprint image and one of them fingerprint template of described input
Degree of joining reaches default matching degree threshold value, and unlocks mobile terminal.
12. mobile terminals according to claim 10, it is characterised in that
Described contrast module, specifically for: according to described sequence by the fingerprint image of described input successively with institute
State at least one fingerprint template and contrast, the quantity of the details matched in both statistics；
Described unlocked state, specifically for:
Whether the quantity of the details matched described in judgement is more than the amount threshold preset；
If the determination result is YES, it is determined that between fingerprint image and one of them fingerprint template of described input
Degree of joining reaches default matching degree threshold value, and unlocks terminal.
13. 1 kinds of mobile terminals, including: processor and memorizer, it is characterised in that
Described processor is for performing the unlocked by fingerprint method as described in claim 1 to 6 any one.
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| CN201610383023.4A CN105868597A (en) | 2016-05-31 | 2016-05-31 | Fingerprint unlocking method and mobile terminal |
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Application publication date: 20160817 |