CN107609378A - Unlocked by fingerprint method and Related product - Google Patents
Unlocked by fingerprint method and Related product Download PDFInfo
- Publication number
- CN107609378A CN107609378A CN201710832792.2A CN201710832792A CN107609378A CN 107609378 A CN107609378 A CN 107609378A CN 201710832792 A CN201710832792 A CN 201710832792A CN 107609378 A CN107609378 A CN 107609378A
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- China
- Prior art keywords
- fingerprint
- fingerprint image
- image
- matching value
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
Abstract
The embodiment of the invention discloses a kind of unlocked by fingerprint method and Related product, wherein, method includes:Obtain the first fingerprint image;First fingerprint image is matched with preset fingerprint template, obtains the first matching value;If first matching value is in preset range, N number of second fingerprint image is obtained in preset time, wherein, the N is the integer more than or equal to 1;N number of second fingerprint image is matched with the preset fingerprint template, obtains N number of second matching value;Judge the cumulative of first matching value and N number of second matching value and whether be more than or equal to the first predetermined threshold value;In first matching value with the cumulative of N number of second matching value and more than or equal to first predetermined threshold value, terminal is unlocked.Implement the embodiment of the present invention, unblock efficiency can be improved.
Description
Technical field
The present invention relates to technical field of electronic equipment, more particularly to a kind of unlocked by fingerprint method and Related product.
Background technology
With the fast development of information technology, the use of terminal (such as mobile phone, tablet personal computer) is increasingly popularized.Fingerprint
For identification technology as the standard configuration technology in terminal, fingerprint identification technology can be not only used for the unblock, wake-up, mobile payment of terminal
Etc. in be used widely.While fingerprint identification technology prevalence, in order to realize quick release, the unlocked time of terminal
It is the direct concern of terminal manufacturer.
In practical application, user is often, it can be seen that in finger overdrying (mainly for finger under drying regime) or mistake
, it is necessary to repeatedly press fingerprint recognition module when wet (in the case of having water on finger or having oiliness object), just have
It may unlock successfully, thus, reduce unlocked by fingerprint efficiency.
The content of the invention
The embodiments of the invention provide a kind of unlocked by fingerprint method and Related product, the efficiency of unlocked by fingerprint can be improved.
The embodiment of the invention discloses a kind of unlocked by fingerprint method, including:
Obtain the first fingerprint image;
First fingerprint image is matched with preset fingerprint template, obtains the first matching value;
If first matching value is in preset range, N number of second fingerprint image is obtained in preset time, wherein,
The N is the integer more than or equal to 1;
N number of second fingerprint image is matched with the preset fingerprint template, obtains N number of second matching
Value;
Judge first matching value with the cumulative of N number of second matching value and whether more than or equal to the first default threshold
Value, wherein, first predetermined threshold value exceedes the preset range;
In first matching value with the cumulative of N number of second matching value and more than or equal to the described first default threshold
Value, is unlocked to terminal.
Alternatively, the first fingerprint image of the acquisition, including:
During user presses fingerprint recognition module, determine that user presses effective model of the fingerprint recognition module
Enclose;
The fingerprint recognition module is controlled to gather the pixel in the effective range as the first fingerprint image.
Alternatively, the effective range for determining user and pressing the fingerprint recognition module, including:
Detect the pressing dynamics that user contacts each collection point in the fingerprint recognition module;
The collection point for being more than the second predetermined threshold value in the pressing dynamics of each collection point is defined as effective range.
Alternatively, methods described also includes:
When first matching value and N number of second matching value sum are less than second predetermined threshold value, keep treating
Machine state;
Or
When first matching value and N number of second matching value sum are less than second predetermined threshold value, to terminal
Bound account sends safety instruction information.
Alternatively, after the first fingerprint image of the acquisition, methods described also includes:
Judge whether first fingerprint image is the image of dry finger or the image of wet finger, if so, described in performing
The step of first fingerprint image is matched with preset fingerprint template.
Alternatively, it is described to judge whether first fingerprint image is the image of dry finger or the image of wet finger, wrap
Include:
Extract the characteristic point of first fingerprint image;
Judge whether the number of the characteristic point of first fingerprint image is less than the 3rd predetermined threshold value, if, it is determined that institute
State the image of image that the first fingerprint image is the dry finger or the wet finger.
As an alternative embodiment, the first fingerprint image of the acquisition, including:
When user presses fingerprint recognition module, the pickup area of the fingerprint recognition module is determined;
Described n2 normal bottom data value is obtained by n2 normal induction electrode in the pickup area, passes through institute
N1 abnormal induction electrodes for stating pickup area obtain the n1 abnormal bottom data value, the n1 abnormal bottom data values
It is the fingerprint image with the n2 normal bottom data values, the induction electrode array of the fingerprint recognition module comprises at least
The n1 abnormal induction electrodes and the n2 normal induction electrode, the n1, the n2 are positive integer;
The n2 normal bottom numbers collected according to the n2 normal induction electrode of the fingerprint recognition module
According to value, the n1 bottom repair data value corresponding to the n1 abnormal induction electrodes is determined;
The first fingerprint image is generated according to the n2 normal bottom data values and the n1 bottom repair data value.
Alternatively, the n2 normal induction electrode according to the fingerprint recognition module collects the n2
Normal bottom data value, the n1 bottom repair data value corresponding to the n1 abnormal induction electrodes is determined, including:
The pickup area is divided into multiple isolated areas, wherein, each isolated area is equal in the multiple isolated area
Comprising multiple normal bottom data values by normal induction electrode collection and at least one by the abnormal induced electricity
The abnormal bottom data value of pole collection;
The average of all normal bottom data values in the isolated area i is determined, and using the average as institute
Bottom repair data value corresponding to the abnormal induction electrode in isolated area i is stated, wherein the isolated area i is described more
Any one in individual isolated area.
Second aspect of the embodiment of the present invention provides a kind of terminal, including:
Acquiring unit, for obtaining the first fingerprint image;
Matching unit, for first fingerprint image and the progress of preset fingerprint template for obtaining the acquiring unit
Match somebody with somebody, obtain the first matching value;
The acquiring unit, also particularly useful for:
If first matching value is in preset range, N number of second fingerprint image is obtained in preset time, wherein,
The N is the integer more than or equal to 1;
The matching unit, also particularly useful for:
N number of second fingerprint image is matched with the preset fingerprint template, obtains N number of second matching
Value;
First judging unit, for judging the cumulative and whether big of first matching value and N number of second matching value
In or equal to the first predetermined threshold value, wherein, first predetermined threshold value exceedes the preset range;
Unlocking unit, for being first matching value and described N number of the in the judged result of first judging unit
Adding up and more than or equal to first predetermined threshold value for two matching values, is unlocked to terminal.
Alternatively, the acquiring unit includes:
First determining module, during pressing fingerprint recognition module in user, determine that user presses the fingerprint
Identify the effective range of module;
Control module, for controlling the fingerprint recognition module to gather effective model that first determining module determines
Pixel in enclosing is as the first fingerprint image.
Alternatively, first determining module includes:
Detection module, the pressing dynamics of each collection point in the fingerprint recognition module are contacted for detecting user;
Second determining module, for being more than the in the pressing dynamics for each collection point for detecting the detection module
The collection point of two predetermined threshold values is defined as effective range.
Alternatively, the terminal also includes:
Holding unit, for being first matching value and described N number of the in the judged result of first judging unit
When two matching value sums are less than second predetermined threshold value, holding state is kept;
Or
The terminal also includes:
Transmitting element, for being first matching value and described N number of the in the judged result of first judging unit
When two matching value sums are less than second predetermined threshold value, safety instruction information is sent to the account bound in terminal.
Alternatively, the terminal also includes:
Second judging unit, after obtaining the first fingerprint image in the acquiring unit, judge first fingerprint
Whether image is the image of dry finger or the image of wet finger, if the judged result of second judging unit is yes, by institute
Matching unit is stated to be matched first fingerprint image with preset fingerprint template.
Alternatively, second judging unit includes:
Extraction module, for extracting the characteristic point of first fingerprint image;
Second judge module, for judging whether the number of characteristic point of first fingerprint image is less than the 3rd default threshold
Value, if, it is determined that first fingerprint image is the image of the dry finger or the image of the wet finger.
As an alternative embodiment, the first acquisition unit includes:
4th determining module, for when user presses fingerprint recognition module, determining the collection of the fingerprint recognition module
Region;
First acquisition module, the n2 normal bottom is obtained by n2 normal induction electrode in the pickup area
Data value, the n1 abnormal bottom data value is obtained by n1 abnormal induction electrodes of the pickup area, the n1 is individual
Abnormal bottom data value and the n2 normal bottom data values are the fingerprint image, the induced electricity of the fingerprint recognition module
Pole array comprises at least the n1 abnormal induction electrodes and the n2 normal induction electrode, and the n1, the n2 are just whole
Number;
Repair module, for the n2 collected according to the n2 normal induction electrode of the fingerprint recognition module
Individual normal bottom data value, determines the n1 bottom repair data value corresponding to the n1 abnormal induction electrodes;
Generation module, for generating the according to the normal bottom data values of the n2 and the n1 bottom repair data value
One fingerprint image.
Alternatively, the repair module includes:
Piecemeal module, for the pickup area to be divided into multiple isolated areas, wherein, it is every in the multiple isolated area
One isolated area is comprising multiple normal bottom data values by normal induction electrode collection and at least one by institute
State the abnormal bottom data value of abnormal induction electrode collection;
5th determining module, for determining the average of all normal bottom data values in the isolated area i, and
Using the average as bottom repair data value corresponding to the abnormal induction electrode in the isolated area i, wherein described
Isolated area i is any one in the multiple isolated area.
The third aspect of the embodiment of the present invention provides a kind of terminal, including:
Processor, memory, communication interface, fingerprint recognition module and communication bus, the processor, the memory,
The fingerprint recognition module is connected by the communication bus with the communication interface and completes mutual communication;
The memory storage has executable program code, and the fingerprint recognition module is used to obtain fingerprint image, described
Communication interface is used for radio communication;
The processor is used to call the executable program code in the memory, performs the embodiment of the present invention the
Part or all of step described in one side either method.
Implement the embodiment of the present invention, have the advantages that:
As can be seen that the first fingerprint image is obtained by the embodiment of the present invention, by first fingerprint image and preset fingerprint
Template is matched, and obtains the first matching value, if first matching value is in preset range, is obtained in preset time N number of
Second fingerprint image, wherein, N is the integer more than or equal to 1, by N number of second fingerprint image and the progress of preset fingerprint template
Match somebody with somebody, obtain N number of second matching value, in the first matching value with the cumulative of N number of second matching value and more than or equal to the first default threshold
Value, is unlocked to terminal.Therefore, the result of multiple fingerprint matching that can be in preset time is added up, so as to improve
Unlocked by fingerprint efficiency.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it will use below required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of the first embodiment of unlocked by fingerprint method disclosed in the embodiment of the present invention;
Fig. 2 is a kind of schematic flow sheet of the second embodiment of unlocked by fingerprint method disclosed in the embodiment of the present invention;
Fig. 3 a are a kind of structural representations of the first embodiment of terminal disclosed in the embodiment of the present invention;
Fig. 3 b are the structural representations of the acquiring unit of the terminal described in Fig. 3 a disclosed in the embodiment of the present invention;
Fig. 3 c are a kind of another structural representations of the first embodiment of terminal disclosed in the embodiment of the present invention;
Fig. 3 d are a kind of another structural representations of the first embodiment of terminal disclosed in the embodiment of the present invention;
Fig. 3 e are a kind of another structural representations of the first embodiment of terminal disclosed in the embodiment of the present invention;
Fig. 3 f are the structural representations of the second judging unit of the terminal described in Fig. 3 e disclosed in the embodiment of the present invention;
Fig. 4 is a kind of structural representation of the second embodiment of terminal disclosed in the embodiment of the present invention;
Fig. 5 is a kind of structural representation of mobile phone disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Term " first ", " second ", " the 3rd " in description and claims of this specification and the accompanying drawing and "
Four " etc. be to be used to distinguish different objects, rather than for describing particular order.In addition, term " comprising " and " having " and it
Any deformation, it is intended that cover non-exclusive include.Such as contain the process of series of steps or unit, method, be
The step of system, product or equipment are not limited to list or unit, but alternatively also including the step of not listing or list
Member, or alternatively also include for the intrinsic other steps of these processes, method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can wrap in conjunction with the embodiments
In 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.
Terminal described by the embodiment of the present invention can include smart mobile phone (such as Android phone, iOS mobile phones,
Windows Phone mobile phones etc.), tablet personal computer, palm PC, notebook computer, mobile internet device (MID, Mobile
Internet Devices) or Wearable etc., above-mentioned terminal is only citing, and non exhaustive, including but not limited to above-mentioned end
End.
Referring to Fig. 1, it is a kind of embodiment schematic flow sheet of unlocked by fingerprint method provided in an embodiment of the present invention.This reality
The unlocked by fingerprint method described in example is applied, is comprised the following steps:
101st, the first fingerprint image is obtained.
Alternatively, during user presses fingerprint recognition module, it may be determined that user presses the fingerprint recognition module
Effective range;The fingerprint recognition module is controlled to gather the pixel in the effective range as the first fingerprint image.Enter
One step, it can detect the pressing dynamics that user contacts each collection point in the fingerprint recognition module;By each collection point
Pressing dynamics in be more than the second predetermined threshold value collection point be defined as effective range.Fingerprint recognition module and pressure can be passed
Sensor is combined together, then, when fingerprint recognition module is pressed, fingerprint recognition module can be detected by pressure sensor
In each collection point pressing dynamics, when pressing dynamics are more than the second predetermined threshold value, it is second pre- to determine that pressing dynamics are more than
If the image that the collection point of threshold value is formed is the first fingerprint image.
Alternatively, the first fingerprint image can be the fingerprint image gathered during user presses fingerprint recognition module,
Or can be the fingerprint image being stored in local.
Still optionally further, the first fingerprint image can be the fingerprint image of a finger or the finger of multiple fingers of user
Print image.
Alternatively, the mode of the above-mentioned fingerprint image of acquisition first can be as follows:
When user presses fingerprint recognition module, the pickup area of the fingerprint recognition module is determined;
Described n2 normal bottom data value is obtained by n2 normal induction electrode in the pickup area, passes through institute
N1 abnormal induction electrodes for stating pickup area obtain the n1 abnormal bottom data value, the n1 abnormal bottom data values
It is the fingerprint image with the n2 normal bottom data values, the induction electrode array of the fingerprint recognition module comprises at least
The n1 abnormal induction electrodes and the n2 normal induction electrode, the n1, the n2 are positive integer;
The n2 normal bottom numbers collected according to the n2 normal induction electrode of the fingerprint recognition module
According to value, the n1 bottom repair data value corresponding to the n1 abnormal induction electrodes is determined;
The first fingerprint image is generated according to the n2 normal bottom data values and the n1 bottom repair data value.
Alternatively, the n2 normal induction electrode according to the fingerprint recognition module collects the n2
Normal bottom data value, determine the n1 abnormal induction electrodes corresponding to the n1 bottom repair data value, can be:
The pickup area is divided into multiple isolated areas, wherein, each isolated area is equal in the multiple isolated area
Comprising multiple normal bottom data values by normal induction electrode collection and at least one by the abnormal induced electricity
The abnormal bottom data value of pole collection;
The average of all normal bottom data values in the isolated area i is determined, and using the average as institute
Bottom repair data value corresponding to the abnormal induction electrode in isolated area i is stated, wherein the isolated area i is described more
Any one in individual isolated area.I.e. in isolated area i, the bottom using bottom repair data value as each abnormal induction electrode
Layer data value.By this way, go to repair using the normal bottom data value of the normal induction electrode in any isolated area
Abnormal bottom data value in the isolated area, so as to so that the first fingerprint image quality is more preferable, in this way, can be in the first fingerprint
More characteristic points are extracted in image.
102nd, first fingerprint image is matched with preset fingerprint template, obtains the first matching value.
In the specific implementation, preset fingerprint template can be prestored, the first fingerprint image and preset fingerprint template can be carried out
Matching, herein, alternatively, whole first fingerprint image is matched with preset fingerprint template.Or by the first fingerprint image
In subregion matched with preset fingerprint template.In the matching process, the first fingerprint image can be extracted respectively and is preset
The characteristic point of fingerprint template, both characteristic points are matched, can obtain the first matching value, the first matching value is used to represent two
The similarity of person.Or in the matching process, the first fingerprint image and the feature lines of preset fingerprint template can be extracted respectively,
Both are matched, can obtain the first matching value.
Alternatively, the first fingerprint image can also be divided into multiple isolated areas, by the portion in the plurality of isolated area
Divide or whole isolated areas are as target area.And then can in a parallel mode, by each region in multiple target areas
Matched with preset fingerprint template, at least one region and preset fingerprint template in each region in multiple template region
Matching.After matching process terminates, a matching value, i.e. the first matching value can obtain.
Still optionally further, above-mentioned multiple target areas can be divided at least two groups;Parallel will be each at least two groups
All target areas in group are matched with preset fingerprint template.The number of each group of target area included in this at least two groups
Amount can be the same, or, comprising the area of target area can be the same.Alternatively, each group of target included in this at least two groups
The quantity in region can be partly the same, or, the area of each group of target area included can be partly the same in this at least two groups.Tool
During body is realized, the group number of above-mentioned multiple target areas can be directed to, corresponding thread or process are set, for example, by multiple targets
Region is divided into 3 groups, and first group is entered the target area included in the group and preset fingerprint template using a thread or process
Row matching, second group uses a thread or process by the target area included in the group and the progress of preset fingerprint template
Match somebody with somebody, the 3rd group is matched the target area included in the group with preset fingerprint template using a thread or process.
If the 103, first matching value is in preset range, N number of second fingerprint image is obtained in preset time, its
In, the N is the integer more than or equal to 1.
In the specific implementation, preset range can be 10%~20%, 5%~10.1% etc., it is not limited thereto, first
When matching value is less than predetermined threshold value, then it is believed that the first fingerprint image and non-end-user.In the first matching value in preset range
Then it is believed that the first fingerprint image comes from terminal user.Be in the first preset range in the first matching value, then can be when default
In, at least one second fingerprint image is obtained, the second fingerprint image may be from the finger of the same finger of the first fingerprint image
Line, it can be from the fingerprint different from the finger corresponding to the first fingerprint image.Above-mentioned N is the integer more than or equal to 1,
N is smaller than a certain threshold value.
104th, N number of second fingerprint image is matched with the preset fingerprint template, obtains described N number of second
With value.
In the specific implementation, can by N number of second fingerprint image and preset fingerprint template matches, every one second fingerprint image with it is pre-
If fingerprint template matches, second matching value is had.
Alternatively, if any second matching value in N number of second matching value is less than a certain threshold value, second matching is abandoned
Value.In the specific implementation, the settable N upper limit, for example, N=1, N=2 etc..
105th, judge the cumulative of first matching value and N number of second matching value and whether to be more than or equal to first pre-
If threshold value, wherein, first predetermined threshold value exceedes the preset range.
In the specific implementation, it will be apparent that the first predetermined threshold value is unblock threshold value, first predetermined threshold value needs to exceed default model
Enclose.Wherein, N may be 1, then, in preset time, it can obtain second matching value, then can be N number of with this by the first matching value
Second matching value is added up, if cumulative and more than or equal to the first predetermined threshold value, terminal can be unlocked, otherwise, according to
Released state or holding state are treated in old holding.
106th, in the cumulative of first matching value and N number of second matching value and default more than or equal to described first
Threshold value, terminal is unlocked.
In the specific implementation, in the first matching value with the cumulative of N number of second matching value and more than or equal to the first predetermined threshold value
When, terminal can be unlocked or some application in terminal is unlocked.For example, in the case where terminal is in and puts out screen state,
Terminal is unlocked, the display screen of terminal is lighted, and shows the desktop after unblock;Or it is in bright screen state in terminal
Under, terminal is unlocked, the desktop after display unblock;Or in the case where terminal is in released state, can be to terminal at least
One application is unlocked, that is, is started at least one application or shown the default of a certain application at least one application
The page;Or terminal be in put out screen state under, at least one application of terminal can be unlocked, that is, start this at least one
Individual application or the default page for showing a certain application at least one application.
As can be seen that the first fingerprint image is obtained by the embodiment of the present invention, by first fingerprint image and preset fingerprint
Template is matched, and obtains the first matching value, if first matching value is in preset range, is obtained in preset time N number of
Second fingerprint image, wherein, N is the integer more than or equal to 1, by N number of second fingerprint image and the progress of preset fingerprint template
Match somebody with somebody, obtain N number of second matching value, in the first matching value with the cumulative of N number of second matching value and more than or equal to the first default threshold
Value, is unlocked to terminal.Therefore, the result of multiple fingerprint matching that can be in preset time is added up, so as to improve
Unlocked by fingerprint efficiency
Referring to Fig. 2, it is a kind of second embodiment schematic flow sheet of unlocked by fingerprint method provided in an embodiment of the present invention.
Unlocked by fingerprint method described in the present embodiment, comprises the following steps:
201st, the first fingerprint image is obtained.
202nd, judge whether first fingerprint image is the image of dry finger or the image of wet finger.
In the specific implementation, because the fingerprint lines in the fingerprint image of dry finger is intermittent, and the fingerprint image of wet finger
The fingerprint image larger area fingerprint lines blurring of picture, is almost hard to tell fingerprint lines, thus, can be by entering to fingerprint image
Row analysis, judges whether fingerprint image comes from dry finger or wet finger.
Alternatively, whether dry hand can be come from by the patterned feature of the first fingerprint image of extraction, the fingerprint image of judgement
Finger or wet finger.If the lines of fingerprint image is intermittent, the fingerprint image belongs to dry finger, if occurring in fingerprint image
During the fingerprint lines blurring of larger area, then the fingerprint image belongs to wet finger.
Alternatively, it can extract the characteristic point of fingerprint image;Judge whether the number of the characteristic point of the fingerprint image is less than
Second predetermined threshold value, if, it is determined that the fingerprint image is the image of the dry finger or the image of the wet finger.
Alternatively, it can extract the characteristic point of the subregion of fingerprint image;Judging the number of the characteristic point of fingerprint image is
It is no to be less than predetermined threshold value, if, it is determined that fingerprint image is the image of dry finger or the image of wet finger.Wherein, part area
Domain can be the designated area in fingerprint image, for example, using the center of fingerprint image as the region of the default size of round dot.Part area
Domain can be the random areas in fingerprint image.Wherein, predetermined threshold value can be fixed threshold, or, predetermined threshold value can be with fingerprint image
The area of picture is related.
Alternatively, can be judged by the number of the characteristic point for the image that takes the fingerprint by the number of characteristic point in default
Scope.Wherein, the preset range may be less than first threshold, for example, first threshold can be the characteristic point of preset fingerprint image
Some several percentage, for example, 50%, or, first threshold is some value of system default.Further, the preset range
Can be between Second Threshold and the 3rd threshold value, wherein, Second Threshold is less than the 3rd threshold value, and the 3rd threshold value can be preset fingerprint
Some percentage of the feature point number of image, for example, 50%, or, the 3rd threshold value is some value of system default, the second threshold
Value can be some percentage of the feature point number of preset fingerprint image, for example, 30%, or, Second Threshold is system default
Some value.Under normal conditions, the feature point number of dry finger or wet finger is less, and terminal can extract the characteristic point of fingerprint
Number, if for example, the number of this feature point is less than first threshold, illustrate the fingerprint comes from dry finger or wet hand
Refer to.
If it is not, then being matched the first fingerprint image with preset fingerprint template, if the match is successful, terminal is solved
Lock, if matching is unsuccessful, terminal keeps holding state.
203rd, if so, first fingerprint image is matched with preset fingerprint template, the first matching value is obtained.
Alternatively, then directly the first fingerprint image is matched with preset fingerprint template, if being more than the first predetermined threshold value
Then terminal is unlocked, if being less than the first predetermined threshold value, terminal can not be unlocked.
If the 204, first matching value is in preset range, N number of second fingerprint image is obtained in preset time, its
In, the N is the integer more than or equal to 1.
Alternatively, if the first matching value is not at preset range, the step of can not continuing after step 204.
205th, N number of second fingerprint image is matched with the preset fingerprint template, obtains described N number of second
With value.
206th, judge the cumulative of first matching value and N number of second matching value and whether to be more than or equal to first pre-
If threshold value, wherein, first predetermined threshold value exceedes the preset range.
207th, in the cumulative of first matching value and N number of second matching value and default more than or equal to described first
Threshold value, terminal is unlocked.
For example, in the case of the finger overdrying or overly moist of user, user may repeatedly press fingerprint recognition module
It can not be unlocked.In embodiments of the present invention, in these cases, whether the fingerprint image that can detect user's input belongs to dry
The fingerprint image of the fingerprint image of finger or wet finger, if it is not, fingerprint image can be matched with preset fingerprint template,
First matching value is obtained, first matching value can be judged, if first matching value is less than preset range, can recognized
It is not the fingerprint image of terminal householder for the fingerprint image, therefore, the method in the embodiment of the present invention can be to a certain extent
It is antitheft, if the first matching value in preset range, illustrates the dry finger-image or wet finger-image is the fingerprint of terminal user
Image, then, the second fingerprint image of finite number of time, the second fingerprint image that will be obtained each time in preset time, can be obtained
As being matched with preset fingerprint image, if the first matching value and whole fingerprint images in the finite number of time and preset fingerprint mould
Adding up and more than or equal to above-mentioned first predetermined threshold value for multiple second matching values of plate, then be unlocked to terminal.If first
Matching value and the first fingerprint image of the finite number of time in preset time and tiring out for multiple second matching values of preset fingerprint template
Add and less than above-mentioned first predetermined threshold value, then keep holding state.
As can be seen that the first fingerprint image can be obtained by the terminal described by the embodiment of the present invention, in the first fingerprint image
As the image or the image of wet finger for dry finger, first fingerprint image is matched with preset fingerprint template, obtained
First matching value, if first matching value is in preset range, N number of second fingerprint image is obtained in preset time, wherein,
N is the integer more than or equal to 1, and N number of second fingerprint image is matched with preset fingerprint template, obtains N number of second matching
Value, in the first matching value with the cumulative of N number of second matching value and more than or equal to the first predetermined threshold value, terminal is unlocked.
Therefore, the result of multiple fingerprint matching that can be in preset time is added up, so as to improve unlocked by fingerprint efficiency.Especially
When the finger of user is dry finger or wet finger, the number of input fingerprint can be reduced, so as to improve unlocked by fingerprint efficiency.
Fig. 3 a are referred to, are a kind of first embodiment structural representation of terminal provided in an embodiment of the present invention.This implementation
Terminal described in example, including:Acquiring unit 301, matching unit 302, the first judging unit 303 and unlocking unit 304, tool
Body is as follows:
Acquiring unit 301, for obtaining the first fingerprint image;
Matching unit 302, for first fingerprint image and the preset fingerprint template for obtaining the acquiring unit 301
Matched, obtain the first matching value;
The acquiring unit 301, also particularly useful for:
If first matching value is in preset range, N number of second fingerprint image is obtained in preset time, wherein,
The N is the integer more than or equal to 1;
The matching unit 302, also particularly useful for:
N number of second fingerprint image is matched with the preset fingerprint template, obtains N number of second matching
Value;
First judging unit 303, for judge the cumulative of first matching value and N number of second matching value and whether
More than or equal to the first predetermined threshold value, wherein, first predetermined threshold value exceedes the preset range;
Unlocking unit 304, for first judging unit 303 judged result for first matching value with it is described
Adding up and more than or equal to first predetermined threshold value for N number of second matching value, is unlocked to terminal.
Alternatively, as Fig. 3 b, the acquiring unit 301 of the terminal shown in Fig. 3 a include:
First determining module 3011, during pressing fingerprint recognition module in user, determine described in user's pressing
The effective range of fingerprint recognition module;
Control module 3012, for controlling the fingerprint recognition module to gather the institute that first determining module 3011 determines
The pixel in effective range is stated as the first fingerprint image.
Further, first determining module includes:
Detection module (is not marked) in figure, and pressing for each collection point in the fingerprint recognition module is contacted for detecting user
Surging;
Second determining module (does not mark) in figure, for the pressing for each collection point for detecting the detection module
Collection point in dynamics more than the second predetermined threshold value is defined as effective range.
Alternatively, such as Fig. 3 c, the terminal shown in Fig. 3 a may also include:
Holding unit 305, for first judging unit 303 judged result for first matching value with it is described
When N number of second matching value sum is less than first predetermined threshold value, holding state is kept;
Alternatively, such as Fig. 3 d, the terminal shown in Fig. 3 a may also include:
Transmitting element 306, for first judging unit 303 judged result for first matching value with it is described
When N number of second matching value sum is less than first predetermined threshold value, safety instruction information is sent to the account bound in terminal.
Alternatively, such as Fig. 3 e, the terminal shown in Fig. 3 a may also include:
Second judging unit 307, after obtaining the first fingerprint image in the acquiring unit 301, judge described the
Whether one fingerprint image is the image of dry finger or the image of wet finger, if the judged result of second judging unit 307
It is yes, is matched first fingerprint image with preset fingerprint template by the matching unit 302.
Alternatively, such as Fig. 3 f, the second judging unit 307 shown in Fig. 3 e includes:
Extraction module 3071, for extracting the characteristic point of first fingerprint image;
Second judge module 3072, for judging it is pre- whether the number of characteristic point of first fingerprint image is less than the 3rd
If threshold value, if, it is determined that first fingerprint image is the image of the dry finger or the image of the wet finger.
As an alternative embodiment, the acquiring unit 301 includes:
4th determining module (not marked in figure), for when user presses fingerprint recognition module, determining that the fingerprint is known
The pickup area of other module;
First acquisition module (does not mark) in figure, by described in the n2 normal induction electrode acquisition in the pickup area
N2 normal bottom data values, the n1 abnormal bottom data is obtained by n1 abnormal induction electrodes of the pickup area
Value, the n1 abnormal bottom data values and the n2 normal bottom data values are the fingerprint image, the fingerprint recognition
The induction electrode array of module comprises at least the n1 abnormal induction electrodes and the n2 normal induction electrode, the n1,
The n2 is positive integer;
Repair module (does not mark) in figure, is adopted for the n2 normal induction electrode according to the fingerprint recognition module
The n2 normal bottom data values collected, determine that the n1 bottom corresponding to the n1 abnormal induction electrodes repairs number
According to value;
Generation module (does not mark) in figure, for according to the n2 normal bottom data values and the n1 bottom reparation
Data value generates fingerprint image.
Alternatively, the repair module includes:
Piecemeal module (does not mark) in figure, for the pickup area to be divided into multiple isolated areas, wherein, it is the multiple
In isolated area each isolated area comprising multiple normal bottom data values by normal induction electrode collection and
At least one abnormal bottom data value by the abnormal induction electrode collection;
5th determining module (not marked in figure), for determining all normal bottom numbers in the isolated area i
Number is repaired according to the average of value, and using the average as bottom corresponding to the abnormal induction electrode in the isolated area i
According to value, wherein the isolated area i is any one in the multiple isolated area.
As can be seen that the first fingerprint image can be obtained by the terminal described by the embodiment of the present invention, by first fingerprint
Image is matched with preset fingerprint template, obtains the first matching value, if first matching value is in preset range, default
N number of second fingerprint image is obtained in time, wherein, N is the integer more than or equal to 1, and N number of second fingerprint image is referred to default
Line template is matched, and obtains N number of second matching value, in the cumulative of the first matching value and N number of second matching value and be more than or waited
In the first predetermined threshold value, terminal is unlocked.Therefore, the result of multiple fingerprint matching that can be in preset time is tired out
Add, so as to improve unlocked by fingerprint efficiency
Referring to Fig. 4, the second embodiment structural representation for a kind of terminal provided in an embodiment of the present invention.The present embodiment
Described in terminal, including:At least one input equipment 1000;At least one output equipment 2000;At least one processor
3000, such as CPU;With memory 4000, above-mentioned input equipment 1000, output equipment 2000, processor 3000, memory 4000
Connected with communication interface (not marked in figure) by bus 5000.
Wherein, above-mentioned input equipment 1000 concretely contact panel, physical button or mouse, fingerprint recognition module etc.
Deng.
Above-mentioned output equipment 2000 concretely display screen.
Above-mentioned memory 4000 can be high-speed RAM memory, or non-labile memory (non-volatile
), such as magnetic disk storage memory.Above-mentioned memory 4000 is used to store batch processing code, above-mentioned input equipment 1000, defeated
Go out equipment 2000 and processor 3000 is used to call the program code stored in memory 4000, perform following operation:
Above-mentioned processor 3000, is used for:
Obtain the first fingerprint image;
First fingerprint image is matched with preset fingerprint template, obtains the first matching value;
If first matching value is in preset range, N number of second fingerprint image is obtained in preset time, wherein,
The N is the integer more than or equal to 1;
N number of second fingerprint image is matched with the preset fingerprint template, obtains N number of second matching
Value;
Judge first matching value with the cumulative of N number of second matching value and whether more than or equal to the first default threshold
Value;
In first matching value with the cumulative of N number of second matching value and more than or equal to the described first default threshold
Value, is unlocked to terminal.
Alternatively, above-mentioned processor 3000 obtains the first fingerprint image, including:
During user presses fingerprint recognition module, determine that user presses effective model of the fingerprint recognition module
Enclose;
The fingerprint recognition module is controlled to gather the pixel in the effective range as the first fingerprint image.
Alternatively, above-mentioned processor 3000 determines that user presses the effective range of the fingerprint recognition module, including:
Detect the pressing dynamics that user contacts each collection point in the fingerprint recognition module;
The collection point for being more than the second predetermined threshold value in the pressing dynamics of each collection point is defined as effective range.
Alternatively, above-mentioned processor 3000, also particularly useful for:
When first matching value and N number of second matching value sum are less than first predetermined threshold value, keep treating
Machine state;
Or
When first matching value and N number of second matching value sum are less than first predetermined threshold value, to terminal
Bound account sends safety instruction information.
Alternatively, after above-mentioned processor 3000 obtains the first fingerprint image, also particularly useful for:
Judge whether first fingerprint image is the image of dry finger or the image of wet finger, if so, described in performing
The step of first fingerprint image is matched with preset fingerprint template.
Alternatively, above-mentioned processor 3000 judges whether first fingerprint image is the image of dry finger or wet finger
Image, including:
Extract the characteristic point of first fingerprint image;
Judge whether the number of the characteristic point of first fingerprint image is less than the 3rd predetermined threshold value, if, it is determined that institute
State the image of image that the first fingerprint image is the dry finger or the wet finger.
Alternatively, above-mentioned processor 3000 obtains the first fingerprint image, including:
When user presses fingerprint recognition module, the pickup area of the fingerprint recognition module is determined;
Described n2 normal bottom data value is obtained by n2 normal induction electrode in the pickup area, passes through institute
N1 abnormal induction electrodes for stating pickup area obtain the n1 abnormal bottom data value, the n1 abnormal bottom data values
It is the fingerprint image with the n2 normal bottom data values, the induction electrode array of the fingerprint recognition module comprises at least
The n1 abnormal induction electrodes and the n2 normal induction electrode, the n1, the n2 are positive integer;
The n2 normal bottom numbers collected according to the n2 normal induction electrode of the fingerprint recognition module
According to value, the n1 bottom repair data value corresponding to the n1 abnormal induction electrodes is determined;
The first fingerprint image is generated according to the n2 normal bottom data values and the n1 bottom repair data value.
Alternatively, above-mentioned processor 3000 collects according to the n2 normal induction electrode of the fingerprint recognition module
The normal bottom data values of the n2, determine the n1 bottom repair data corresponding to the n1 abnormal induction electrodes
Value, including:
The pickup area is divided into multiple isolated areas, wherein, each isolated area is equal in the multiple isolated area
Comprising multiple normal bottom data values by normal induction electrode collection and at least one by the abnormal induced electricity
The abnormal bottom data value of pole collection;
The average of all normal bottom data values in the isolated area i is determined, and using the average as institute
Bottom repair data value corresponding to the abnormal induction electrode in isolated area i is stated, wherein the isolated area i is described more
Any one in individual isolated area.
Fig. 5 is illustrated that the block diagram of the part-structure of the mobile phone related to terminal provided in an embodiment of the present invention.Reference chart
5, mobile phone includes:Radio frequency (Radio Frequency, RF) circuit 510, memory 520, input block 530, display unit 540,
Sensor 550, voicefrequency circuit 560, Wireless Fidelity (wireless fidelity, WiFi) module 570, processor 580 and
The grade part of power supply 590.It will be understood by those skilled in the art that the handset structure shown in Fig. 5 does not form the restriction to mobile phone,
It can include than illustrating more or less parts, either combine some parts or different parts arrangement.
Each component parts of mobile phone is specifically introduced with reference to Fig. 5:
RF circuits 510 can be used for receive and send messages or communication process in, the reception and transmission of signal, especially, by base station
After downlink information receives, handled to processor 580;In addition, it is sent to base station by up data are designed.Generally, RF circuits 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 circuits 510 can also be communicated by radio communication with network and other equipment.
Above-mentioned radio communication can use any communication standard or agreement, including 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..
Memory 520 can be used for storage software program and module, and processor 580 is stored in memory 520 by operation
Software program and module, so as to perform the various function application of mobile phone and data processing.Memory 520 can mainly include
Storing program area and storage data field, wherein, storing program area can storage program area, the application journey needed at least one function
Sequence (such as sound-playing function, image player function etc.) etc.;Storage data field can store uses what is created according to mobile phone
Data (such as voice data, phone directory etc.) etc.., can be with addition, memory 520 can include high-speed random access memory
Including nonvolatile memory, for example, at least a disk memory, flush memory device or other volatile solid-states
Part.
Input block 530 can be used for the numeral or character information for receiving input, and produce with the user of mobile phone set with
And the key signals input that function control is relevant.Specifically, input block 530 may include that contact panel 531 and other inputs are set
Standby 532.Contact panel 531, also referred to as touch-screen, collect user on or near it touch operation (such as user use
The operation of any suitable object such as finger, stylus or annex on contact panel 531 or near contact panel 531), and root
Corresponding attachment means are driven according to formula set in advance.Optionally, contact panel 531 may include touch detecting apparatus and touch
Two parts of controller.Wherein, the touch orientation of touch detecting apparatus detection user, and the signal that touch operation is brought is detected,
Transmit a signal to touch controller;Touch controller receives touch information from touch detecting apparatus, and is converted into touching
Point coordinates, then give processor 580, and the order sent of reception processing device 580 and can be performed.Furthermore, it is possible to using electricity
The polytypes such as resistive, condenser type, infrared ray and surface acoustic wave realize contact panel 531.Except contact panel 531, input
Unit 530 can also include other input equipments 532.Specifically, other input equipments 532 can include but is not limited to secondary or physical bond
One or more in disk, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Display unit 540 can be used for display by user input information 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 form such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure
Show panel 541.Further, contact panel 531 can cover display panel 541, when contact panel 531 is detected thereon or attached
After near 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 Figure 5, contact panel 531 and display panel 541
It is the part independent as two to realize the input of mobile phone and input function, but in some embodiments it is possible to by touch-control
Panel 531 is integrated with display panel 541 and realizes input and the output function of mobile phone.
Mobile phone may also include at least one sensor 550, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor may include ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to ambient light
Light and shade adjust the brightness of display panel 541, proximity transducer can close display panel 541 when mobile phone is moved in one's ear
And/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (generally three axles) acceleration
Size, size and the direction of gravity are can detect that when static, (for example horizontal/vertical screen is cut available for the application of identification mobile phone posture
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 the gyroscope of configuration, barometer, hygrometer, thermometer, infrared ray sensor, will not be repeated here.
Voicefrequency circuit 560, loudspeaker 561, microphone 562 can provide the COBBAIF between user and mobile phone.Audio-frequency electric
Electric signal after the voice data received conversion can be transferred to loudspeaker 561, sound is converted to 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
Voice data is changed to, then after voice data output processor 580 is handled, through RF circuits 510 to be sent to such as another mobile phone,
Or voice data is exported to memory 520 further to handle.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronicses postal by WiFi module 570
Part, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 5 is shown
WiFi module 570, but it is understood that, it is simultaneously not belonging to must be configured into for mobile phone, can not change as needed completely
Become in the essential scope of invention and omit.
Processor 580 is the control centre of mobile phone, using various interfaces and the various pieces of connection whole mobile phone, is led to
Cross operation or perform the software program and/or module being stored in memory 520, and call and be stored in memory 520
Data, the various functions and processing data of mobile phone are performed, so as 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, should
Operating system, user interface and application program etc. are mainly handled with processor, modem processor mainly handles radio communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 580.
Mobile phone also includes the power supply 590 (such as battery) to all parts power supply, it is preferred that power supply can pass through power supply pipe
Reason system and processor 580 are logically contiguous, so as to realize management charging, electric discharge and power managed by power-supply management system
Etc. function.
Although being not shown, mobile phone can also include camera, bluetooth module etc., will not be repeated here.
In previous embodiment, each step method flow can based on the terminal structure realize.Wherein sensor 550 or
Contact panel 531 can use as fingerprint recognition module.
The embodiment of the present invention also provides a kind of computer-readable storage medium, wherein, the computer-readable storage medium can be stored with journey
Sequence, the program include the part or all of step of any unlocked by fingerprint method described in the above method embodiment when performing
Suddenly.
Although combining each embodiment herein, invention has been described, however, implementing the present invention for required protection
During, those skilled in the art are by checking the accompanying drawing, disclosure and appended claims, it will be appreciated that and it is real
Other changes of the existing open embodiment.In the claims, the word of " comprising " (comprising) one is not excluded for other compositions
Part or step, "a" or "an" are not excluded for multiple situations.Single processor or other units can realize claim
In some functions enumerating.Mutually different has been recited in mutually different dependent some measures, it is not intended that these are arranged
Apply to combine and produce good effect.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, apparatus (equipment) or computer journey
Sequence product.Therefore, in terms of the present invention can use complete hardware embodiment, complete software embodiment or combine software and hardware
The form of embodiment.Moreover, the present invention can use the calculating for wherein including computer usable program code in one or more
The computer program that machine usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.Computer program is stored/distributed in suitable medium, is provided together with other hardware or one as hardware
Part, other distribution forms can also be used, such as pass through the wired or wireless telecommunication systems of Internet or other.
The present invention be with reference to the embodiment of the present invention method, apparatus (equipment) and computer program product flow chart with/
Or block diagram describes.It should be understood that can by each flow in computer program instructions implementation process figure and/or block diagram and/
Or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These computer program instructions can be provided
To the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices to produce one
Individual machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for realizing
The device for the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although with reference to specific features and embodiment, invention has been described, it is clear that, do not departing from this hair
In the case of bright spirit and scope, various modifications and combinations can be carried out to it.Correspondingly, the specification and drawings are only institute
The exemplary illustration of the invention that attached claim is defined, and be considered as covered in the scope of the invention any and all and repair
Change, change, combining or equivalent.Obviously, those skilled in the art can to the present invention carry out it is various change and modification without
Depart from the spirit and scope of the present invention.So, if the present invention these modifications and variations belong to the claims in the present invention and its
Within the scope of equivalent technologies, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
- A kind of 1. unlocked by fingerprint method, it is characterised in that including:Obtain the first fingerprint image;First fingerprint image is matched with preset fingerprint template, obtains the first matching value;If first matching value is in preset range, N number of second fingerprint image is obtained in preset time, wherein, the N For the integer more than or equal to 1;N number of second fingerprint image is matched with the preset fingerprint template, obtains N number of second matching value;Judge the cumulative of first matching value and N number of second matching value and whether be more than or equal to the first predetermined threshold value, Wherein, first predetermined threshold value exceedes the preset range;It is right in first matching value with the cumulative of N number of second matching value and more than or equal to first predetermined threshold value Terminal is unlocked.
- 2. according to the method for claim 1, it is characterised in that the first fingerprint image of the acquisition, including:During user presses fingerprint recognition module, determine that user presses the effective range of the fingerprint recognition module;The fingerprint recognition module is controlled to gather the pixel in the effective range as the first fingerprint image.
- 3. according to the method for claim 2, it is characterised in that described to determine that user presses having for the fingerprint recognition module Scope is imitated, including:Detect the pressing dynamics that user contacts each collection point in the fingerprint recognition module;The collection point for being more than the second predetermined threshold value in the pressing dynamics of each collection point is defined as effective range.
- 4. according to the method described in any one of claims 1 to 3, it is characterised in that methods described also includes:When first matching value and N number of second matching value sum are less than first predetermined threshold value, standby shape is kept State;OrWhen first matching value and N number of second matching value sum are less than first predetermined threshold value, tied up to terminal Fixed account sends safety instruction information.
- 5. according to the method described in any one of Claims 1-4, it is characterised in that after the first fingerprint image of the acquisition, institute Stating method also includes:Judge whether first fingerprint image is the image of dry finger or the image of wet finger, if so, performing described by institute State the step of the first fingerprint image is matched with preset fingerprint template.
- 6. the method described in as requested 5, it is characterised in that it is described judge first fingerprint image whether be dry finger figure The image of picture or wet finger, including:Extract the characteristic point of first fingerprint image;Judge whether the number of the characteristic point of first fingerprint image is less than the 3rd predetermined threshold value, if, it is determined that described One fingerprint image is the image of the dry finger or the image of the wet finger.
- A kind of 7. terminal, it is characterised in that including:Acquiring unit, for obtaining the first fingerprint image;Matching unit, first fingerprint image for the acquiring unit to be obtained are matched with preset fingerprint template, Obtain the first matching value;The acquiring unit, also particularly useful for:If first matching value is in preset range, N number of second fingerprint image is obtained in preset time, wherein, the N For the integer more than or equal to 1;The matching unit, also particularly useful for:N number of second fingerprint image is matched with the preset fingerprint template, obtains N number of second matching value;First judging unit, for judge the cumulative of first matching value and N number of second matching value and whether be more than or Equal to the first predetermined threshold value, wherein, first predetermined threshold value exceedes the preset range;Unlocking unit, for being first matching value and described N number of second in the judged result of first judging unit Adding up and more than or equal to first predetermined threshold value with value, is unlocked to terminal.
- 8. terminal according to claim 7, it is characterised in that the acquiring unit includes:First determining module, during pressing fingerprint recognition module in user, determine that user presses the fingerprint recognition The effective range of module;Control module, for controlling the fingerprint recognition module to gather in the effective range of the first determining module determination Pixel as the first fingerprint image.
- A kind of 9. terminal, it is characterised in that including:Processor, memory, communication interface, fingerprint recognition module and communication bus, it is the processor, the memory, described Fingerprint recognition module is connected by the communication bus with the communication interface and completes mutual communication;The memory storage has executable program code, and the fingerprint recognition module is used to obtain fingerprint image, the communication Interface is used for radio communication;The processor is used to call the executable program code in the memory, performs as claim 1-6 is any Method described in one.
- A kind of 10. computer-readable recording medium, it is characterised in that it is used to store computer program, wherein, the computer Program causes computer to perform the method as described in claim any one of 1-6.
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CN107480488B (en) | 2017-07-18 | 2020-01-14 | Oppo广东移动通信有限公司 | Unlocking control method and related product |
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CN105005776A (en) * | 2015-07-30 | 2015-10-28 | 广东欧珀移动通信有限公司 | Fingerprint identification method and device |
CN105404807A (en) * | 2015-12-08 | 2016-03-16 | 广东欧珀移动通信有限公司 | Method and apparatus for improving fingerprint recognition performance, and mobile terminal |
CN105488372A (en) * | 2015-11-26 | 2016-04-13 | 努比亚技术有限公司 | Verification method and device |
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US10095345B2 (en) * | 2014-05-30 | 2018-10-09 | Apple Inc. | Low power scan for device wake up and unlock |
CN104036177B (en) * | 2014-07-03 | 2017-11-21 | 南昌欧菲生物识别技术有限公司 | Intelligent terminal unlocked by fingerprint device and method |
CN104951687A (en) * | 2015-07-21 | 2015-09-30 | 上海斐讯数据通信技术有限公司 | Method and system of unlocking through fingerprint |
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CN105005776A (en) * | 2015-07-30 | 2015-10-28 | 广东欧珀移动通信有限公司 | Fingerprint identification method and device |
CN105488372A (en) * | 2015-11-26 | 2016-04-13 | 努比亚技术有限公司 | Verification method and device |
CN105404807A (en) * | 2015-12-08 | 2016-03-16 | 广东欧珀移动通信有限公司 | Method and apparatus for improving fingerprint recognition performance, and mobile terminal |
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