CN106055958B - A kind of unlocking method and device - Google Patents

A kind of unlocking method and device Download PDF

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Publication number
CN106055958B
CN106055958B CN201610383035.7A CN201610383035A CN106055958B CN 106055958 B CN106055958 B CN 106055958B CN 201610383035 A CN201610383035 A CN 201610383035A CN 106055958 B CN106055958 B CN 106055958B
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CN
China
Prior art keywords
fingerprint template
print data
finger print
template group
image
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Expired - Fee Related
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CN201610383035.7A
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Chinese (zh)
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CN106055958A (en
Inventor
张海平
周意保
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201610383035.7A priority Critical patent/CN106055958B/en
Publication of CN106055958A publication Critical patent/CN106055958A/en
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Publication of CN106055958B publication Critical patent/CN106055958B/en
Expired - Fee Related legal-status Critical Current
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31User authentication
    • G06F21/32User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12Fingerprints or palmprints
    • G06V40/1347Preprocessing; Feature extraction
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12Fingerprints or palmprints
    • G06V40/1365Matching; Classification

Abstract

The present invention provides a kind of unlocking methods, comprising: receives finger print data, wherein the finger print data includes the characteristics of image of fingerprint;Determine the fingerprint template group of the characteristics of image comprising the finger print data;The finger print data is matched with the fingerprint template data that the fingerprint template group includes;If the finger print data and fingerprint template Data Matching success, unlock.The embodiment of the invention also discloses a kind of mobile terminals.Using the present invention, fingerprint template group can be quickly determined, accelerate the unlock speed of mobile terminal.

Description

A kind of unlocking method and device
Technical field
The present invention relates to intelligent terminal technical field more particularly to a kind of unlocking method and devices.
Background technique
Fingerprint identification technology has become the function standard configuration of mobile terminal now, brings diversified experience for user.Refer to Line identifies unlock and the arousal function that can be not only used for mobile terminal, and also playing in terms of the security performance of mobile terminal can not Obliterated effect.The process of fingerprint recognition is essentially the feature that takes the fingerprint, saves data and comparison data.It is set by fingerprint reading It is standby to read finger print data, it reads and preliminary treatment is carried out to original image after finger print data, to treated original image It is matched with master-fingerprint image.After successful match, system unlocks therewith.
In the prior art, for different application scenarios or application function, user may be provided with the fingerprint of different fingers Fingerprint template there are many being commonly stored as the template under different application scene or application function, therefore in mobile terminal, wherein It also include the fingerprint template of unlock.In the prior art, when carrying out finger print identifying, mobile terminal needs the fingerprint for inputting user Data and multiple fingerprint templates of storage compare one by one, when in the finger print data and multiple fingerprint templates for contrasting user's input One of them for unlock fingerprint template it is identical when could unlock, cause matching process to take a long time, unlock efficiency it is lower.
Summary of the invention
The present invention provides a kind of unlocking method, can quickly determine fingerprint template group, accelerates the unlock speed of mobile terminal.
First aspect present invention provides a kind of unlocking method, comprising:
Receive finger print data, wherein the finger print data includes the characteristics of image of fingerprint;
Determine the fingerprint template group of the characteristics of image comprising the finger print data;
The finger print data is matched with the fingerprint template data that the fingerprint template group includes;
If the finger print data and fingerprint template Data Matching success, unlock.
Optionally, after fingerprint template group of the determination comprising the characteristics of image of the finger print data, the method is also Include:
If the fingerprint template group of the characteristics of image comprising the finger print data is multiple, obtain in multiple fingerprint template groups The quantity of the characteristics of image for the finger print data that each fingerprint template group includes;
The quantity of the characteristics of image for the finger print data for including according to each fingerprint template group, from the multiple finger The target fingerprint template group for matching the finger print data is determined in line template group;
It is described to match the finger print data with the fingerprint template data that the fingerprint template group includes, comprising:
The finger print data is matched with the target fingerprint template data in the target fingerprint template group.
Optionally, the quantity of the characteristics of image of the finger print data for including according to each fingerprint template group, The target fingerprint template group for matching the finger print data is determined from the multiple fingerprint template group, comprising:
The most fingerprint of the quantity of the characteristics of image comprising the finger print data is determined from the multiple fingerprint template group Template group is as the target fingerprint template group.
Optionally, after fingerprint template group of the determination comprising the characteristics of image of the finger print data, the method is also Include:
If the fingerprint template group of the characteristics of image comprising the finger print data is multiple, obtain in multiple fingerprint template groups The quantity of the characteristics of image for the finger print data that each fingerprint template group includes and each fingerprint template group include The weight of the characteristics of image of the finger print data;
The quantity of the characteristics of image for the finger print data for including according to each fingerprint template group and described each The weight of the characteristics of image for the finger print data that fingerprint template group includes, from the multiple fingerprint template group determine for Target fingerprint template group with the finger print data;
It is described to match the finger print data with the fingerprint template data that the fingerprint template group includes, comprising:
The finger print data is matched with the target fingerprint template data in the target fingerprint template group.
Optionally, the quantity of the characteristics of image of the finger print data for including according to each fingerprint template group with And the weight of the characteristics of image of each fingerprint template group finger print data for including, from the multiple fingerprint template group Determine the target fingerprint template group for matching the finger print data, comprising:
The quantity of the characteristics of image for the finger print data for including according to the multiple fingerprint template group and described each The weight total value of each fingerprint template group described in the weight calculation of the characteristics of image for the finger print data that fingerprint template group includes;
Determine the maximum fingerprint template group of weight total value as the target fingerprint mould from the multiple fingerprint template group Board group.
Second aspect of the present invention provides a kind of mobile terminal, comprising:
Receiving module, for receiving finger print data, wherein the finger print data includes the characteristics of image of fingerprint;
Determining module, for determining the fingerprint template of the characteristics of image comprising the received finger print data of the receiving module Group;
Matching module, the fingerprint template data progress for including by the finger print data and the fingerprint template group Match;
Unlocked state unlocks if being used for the matching module successful match.
Optionally, the mobile terminal further include:
First obtains module, if the fingerprint template group for the characteristics of image comprising the finger print data is multiple, obtains Take the quantity of the characteristics of image for the finger print data that each fingerprint template group includes in multiple fingerprint template groups;
The determining module is also used to the characteristics of image for the finger print data for including according to each fingerprint template group Quantity, the target fingerprint template group for matching the finger print data is determined from the multiple fingerprint template group;
The matching module, is specifically used for:
The finger print data is matched with the target fingerprint template data in the target fingerprint template group.
Optionally, the determining module, is specifically used for:
The most fingerprint of the quantity of the characteristics of image comprising the finger print data is determined from the multiple fingerprint template group Template group is as the target fingerprint template group.
Optionally, the mobile terminal further include:
Second obtains module, if the fingerprint template group for the characteristics of image comprising the finger print data is multiple, obtains Take the quantity of the characteristics of image for the finger print data that each fingerprint template group includes in multiple fingerprint template groups and described every The weight of the characteristics of image for the finger print data that a fingerprint template group includes;
The determining module is also used to the characteristics of image for the finger print data for including according to each fingerprint template group Quantity and each fingerprint template group finger print data for including characteristics of image weight, from the multiple fingerprint The target fingerprint template group for matching the finger print data is determined in template group;
The matching module, is specifically used for:
The finger print data is matched with the target fingerprint template data in the target fingerprint template group.
Optionally, the determining module, comprising:
Computing unit, the quantity of the characteristics of image of the finger print data for including according to the multiple fingerprint template group And each fingerprint template described in the weight calculation of the characteristics of image of each fingerprint template group finger print data for including The weight total value of group;
Determination unit, for determining the maximum fingerprint template group of weight total value as institute from the multiple fingerprint template group State target fingerprint template group.
Third aspect present invention provides a kind of mobile terminal, including memory and processor, in which:
Batch processing code is stored in the memory, and the processor calls the program code in the memory, For executing unlocking method described in first aspect.
It include the finger print data by obtaining the characteristics of image for the fingerprint that finger print data includes, and searching using the present invention Characteristics of image fingerprint template group, then the fingerprint template data that include with the fingerprint template group that finds by the finger print data into Row matching, unlocks when successful match, can quickly determine fingerprint template group, reduces the number of comparison fingerprint template data, accelerates The unlock speed of mobile terminal.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment Attached drawing be briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, for this field For those of ordinary skill, without any creative labor, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is a kind of flow diagram of an embodiment of unlocking method of the embodiment of the present invention;
Fig. 2 is a kind of flow diagram of another embodiment of unlocking method of the embodiment of the present invention;
Fig. 3 is a kind of flow diagram of another embodiment of unlocking method of the embodiment of the present invention;
Fig. 4 is a kind of structural schematic diagram of mobile terminal of the embodiment of the present invention;
Fig. 5 is the structural schematic diagram of another mobile terminal of the embodiment of the present invention;
Fig. 6 is the structural schematic diagram of another mobile terminal of the embodiment of the present invention;
Fig. 7 is the structural schematic diagram of another mobile terminal of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
Using the present invention, fingerprint template group can be quickly determined, accelerate the unlock speed of mobile terminal.
Description and claims of this specification and term " first ", " second ", " third " and " in above-mentioned attached drawing Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Referring to Fig. 1, Fig. 1 is a kind of flow chart of an embodiment of unlocking method of the embodiment of the present invention.Wherein, mobile Terminal for example can be mobile phone, tablet computer, laptop, palm PC, mobile internet device (MID, mobile Internet device), wearable device (such as smartwatch (such as iwatch), Intelligent bracelet, pedometer etc.) or other The terminal device for having biomedical information acquisition function.
As shown in Figure 1, an a kind of embodiment of unlocking method of the embodiment of the present invention may comprise steps of.
S100 receives finger print data, wherein the finger print data includes the characteristics of image of fingerprint.
In the specific implementation, can receive the finger print data of user's input, based on the received fingerprint before mobile terminal unlock Data execute the step of identification matching.Specifically, mobile terminal can obtain the characteristics of image of finger print data, and characteristics of image may include At least one of crosspoint, turning point, breakpoint, line shape, Mode Areas, core point, triangulation point and line number in finger print data.Its In, line shape may include annular (also known as bucket shape), arch and spiral shape.Mode Areas refers to including general characteristic in finger print data Region, some recognizers according to Mode Areas can tell fingerprint belonging to type.Core point is located at fingerprint lines gradually Into center, it is when reading fingerprint and comparing fingerprint for as a reference point.Triangulation point is located at first since core point Bifurcation perhaps breakpoint perhaps at the convergence of two lines, isolated point, turn back place or be directed toward singular point.Triangulation point mentions It has supplied in place of the beginning of counting tracking of fingerprint lines.Line number is the quantity of fingerprint lines in Mode Areas.It therefore, can be according to fingerprint The characteristics of image of data distinguishes different fingerprints.
S101 determines the fingerprint template group of the characteristics of image comprising the finger print data.
In the specific implementation, fingerprint template group can be established according to every kind of fingerprint, fingerprint template group is for uniquely indicating a kind of finger Line.Fingerprint template group further includes multiple fingerprint template data of this kind of fingerprint, and each fingerprint template data include this kind of fingerprint Characteristics of image.Mobile terminal identify finger print data before, can acquire user input fingerprint multiple fingerprint template data with And the characteristics of image of this kind of fingerprint, and according to multiple fingerprint template data of the fingerprint of user's input and the image of this kind of fingerprint Feature establishes fingerprint template group, and fingerprint template group is stored in memory, to improve the discrimination of finger print data.Work as movement After terminal receives the finger print data of user's input, the characteristics of image of finger print data determines equally include the fingerprint based on the received The fingerprint template group of the characteristics of image of data.For example, if mobile terminal receives the finger print data of index finger, from the fingerprint number of index finger After the middle characteristics of image for obtaining index finger, the fingerprint template group of the characteristics of image comprising the index finger is searched.
S102 matches the finger print data with the fingerprint template data that the fingerprint template group includes.
In the specific implementation, after mobile terminal finds the fingerprint template group of the characteristics of image comprising the finger print data, The finger print data received is matched with the fingerprint template data that the fingerprint template group includes.For example, being looked into mobile terminal After the fingerprint template group for finding the characteristics of image comprising index finger, determine that the fingerprint template group for comparing is the fingerprint mould of index finger Board group, and the finger print data of the index finger received is matched with the fingerprint template data that the fingerprint template group of index finger includes.
S103, if the finger print data and fingerprint template Data Matching success, unlock mobile terminal.
In the specific implementation, if the mobile terminal fingerprint template Data Matching that includes to finger print data and fingerprint template group at Function then authenticates success, and unlocks mobile terminal.Specifically, when mobile terminal is by the finger print data and index finger of the index finger received Fingerprint template group include fingerprint template Data Matching success when, then authenticate success, and unlock mobile terminal.
Using the embodiment of the present invention, by obtaining the characteristics of image for the fingerprint that finger print data includes, and searches and refer to comprising this The fingerprint template group of the characteristics of image of line data, then the fingerprint template for including with the fingerprint template group found by the finger print data Data are matched, and are unlocked when successful match, can quickly determine fingerprint template group, reduce time of comparison fingerprint template data Number, accelerates the unlock speed of mobile terminal.
Referring to Fig. 2, Fig. 2 is a kind of process signal of another embodiment of the method for starting application of the embodiment of the present invention Figure.Wherein, mobile terminal for example can be mobile phone, tablet computer, laptop, palm PC, mobile internet device (MID, mobile internet device), wearable device (such as smartwatch (such as iwatch), Intelligent bracelet, meter Step device etc.) or other have fingerprint data collection function and acquire the terminal device of kinematic parameter.
As shown in Fig. 2, another embodiment for the method that a kind of starting of the embodiment of the present invention is applied may include following step Suddenly.
S200 receives finger print data, wherein the finger print data includes the characteristics of image of fingerprint.
In the specific implementation, can receive the finger print data of user's input, based on the received fingerprint before mobile terminal unlock Data execute the step of identification matching.Specifically, mobile terminal can obtain the characteristics of image of finger print data, and characteristics of image may include At least one of crosspoint, turning point, breakpoint, line shape, Mode Areas, core point, triangulation point and line number in finger print data.Its In, line shape may include annular (also known as bucket shape), arch and spiral shape.Mode Areas refers to including general characteristic in finger print data Region, some recognizers according to Mode Areas can tell fingerprint belonging to type.Core point is located at fingerprint lines gradually Into center, it is when reading fingerprint and comparing fingerprint for as a reference point.Triangulation point is located at first since core point Bifurcation perhaps breakpoint perhaps at the convergence of two lines, isolated point, turn back place or be directed toward singular point.Triangulation point mentions It has supplied in place of the beginning of counting tracking of fingerprint lines.Line number is the quantity of fingerprint lines in Mode Areas.It therefore, can be according to fingerprint The characteristics of image of data distinguishes different fingerprints.
As a kind of enforceable mode, the screen of mobile terminal or the settable predeterminable area of Touch control key outside screen, The predeterminable area is for receiving finger print data.When predeterminable area receives finger print data, then phase is made according to finger print data The operation answered.
As a kind of enforceable mode, predeterminable area can be display area or hidden area, other than predeterminable area The finger print data received can be invalid finger print data or be the finger print data for realizing other function, in the embodiment of the present invention In, predeterminable area is only used for unlocking.For example, can show in the Touch control key outside screen or screen for acquiring finger print data Predeterminable area, to prompt user to input finger print data on predeterminable area.In another example predeterminable area can be hidden, only Know that the user of predeterminable area position could input finger print data on correct region, the safety of finger print data input can be improved Property, concealment.
As a kind of enforceable mode, the relevant natures such as position, size, show or hide of predeterminable area can according to The setting instruction of family input is set, alternatively, being set before mobile terminal factory.
S201 determines the fingerprint template group of the characteristics of image comprising the finger print data.
In the specific implementation, fingerprint template group can be established according to every kind of fingerprint, fingerprint template group is for uniquely indicating a kind of finger Line.Fingerprint template group further includes multiple fingerprint template data of this kind of fingerprint, and each fingerprint template data include this kind of fingerprint Characteristics of image.Mobile terminal identify finger print data before, can acquire user input fingerprint multiple fingerprint template data with And the characteristics of image of this kind of fingerprint, and according to multiple fingerprint template data of the fingerprint of user's input and the image of this kind of fingerprint Feature establishes fingerprint template group, and fingerprint template group is stored in memory, to improve the discrimination of finger print data.Work as movement After terminal receives the finger print data of user's input, the characteristics of image of finger print data determines equally include the fingerprint based on the received The fingerprint template group of the characteristics of image of data.For example, if mobile terminal receives the finger print data of index finger, from the fingerprint number of index finger After the characteristics of image for getting index finger in, the fingerprint template group of the characteristics of image comprising the index finger is searched.
S202 obtains multiple fingerprint moulds if the fingerprint template group of the characteristics of image comprising the finger print data is multiple The quantity of the characteristics of image for the finger print data that each fingerprint template group includes in board group.
In the specific implementation, the situation that different fingerprints is identical there may be its characteristics of image, such as the parts of images of index finger Feature may be identical as nameless parts of images feature, therefore the image that the corresponding fingerprint template group of both fingerprints is included Feature there is a situation where identical.However, all characteristics of image of not different fingerprints are all the same, it is therefore desirable to determine to include fingerprint The fingerprint template group of the characteristics of image of data is multiple, includes multiple fingerprint templates of the characteristics of image of the finger print data in determination After group, the quantity of characteristics of image of each fingerprint template group comprising the finger print data in multiple fingerprint template groups is determined.For example, There are a identical characteristics of image in index finger and nameless finger print data, and include the finger print data received determining After the fingerprint template group of characteristics of image, the finger print data received that the fingerprint template group of index finger is included is found through statistics The quantity of characteristics of image is a, and the characteristics of image for the finger print data received that nameless fingerprint template group is included Quantity is b.
S203, the quantity of the characteristics of image for the finger print data for including according to each fingerprint template group, from described The target fingerprint template group for matching the finger print data is determined in multiple fingerprint template groups.
In the specific implementation, the quantity of the characteristics of image comprising the finger print data can be determined from multiple fingerprint template groups most More fingerprint template groups is as the target fingerprint template group.It is learnt from above-mentioned steps, the fingerprint template group of index finger is included The quantity of the characteristics of image of the finger print data received is a, and the finger received that nameless fingerprint template group is included The quantity of the characteristics of image of line data is b, and wherein b is greater than a, therefore the maximum finger of numerical value can be determined from quantity a and quantity b Line template group is as the target fingerprint template group for matching the finger print data received.
S204 matches the finger print data with the target fingerprint template data in the target fingerprint template group.
In the specific implementation, after determining the target fingerprint template group for matching the finger print data received, it is mobile Terminal matches the finger print data received with the target fingerprint template data that target fingerprint template group includes.For example, moving Dynamic terminal determines that the quantity of the characteristics of image for the finger print data received that nameless fingerprint template group includes is maximum, therefore really Fixed nameless fingerprint template group is target fingerprint template group, finally by the finger print data received and nameless fingerprint template The target fingerprint template data that group includes is matched.
Optionally, there is the situation of bad point for finger print data, it is above-mentioned by the finger print data and the target fingerprint template The detailed process example for the step of target fingerprint template data that group includes is matched is as follows:
N2 bottom data value is obtained by n2 normal induction electrode of fingerprint recognition mould group, passes through fingerprint recognition mould group N1 abnormal induction electrode obtain n1 abnormal bottom data value, n1 refers to bottom data value and n2 bottom data value is Finger print data, the induction electrode array of fingerprint recognition mould group include n1 abnormal induction electrode and n2 normal induction electrode, n1, N2 is positive integer.
According to the collected n2 bottom data value of n2 normal induction electrode of fingerprint recognition mould group, n1 exception is determined Induction electrode corresponding n1 refers to bottom data value;It is raw with reference to bottom data value with reference to bottom data value and n1 according to n2 At real time fingerprint image;Extract the characteristic point in real time fingerprint image;The characteristic point extracted is compared according to the fingerprint template prestored, To obtain the similarity score of real time fingerprint image, and matching result is generated when similarity score is greater than preset threshold.It is above-mentioned In instantiation procedure, according to the collected n2 bottom data value of n2 induction electrode of fingerprint recognition mould group, n1 bad point is determined The corresponding n1 example implementation process with reference to bottom data value is as follows:
Determine the n2 average value with reference to bottom data value;Determine that n1 bad point corresponding n1 is with reference to bottom data value Average value.
S205, if the finger print data and the target fingerprint template data successful match, unlock mobile terminal.
In the specific implementation, if the target fingerprint template data that mobile terminal includes to finger print data and target fingerprint template group Successful match then authenticates success, and unlocks mobile terminal.
Using the embodiment of the present invention, by obtaining the characteristics of image for the fingerprint that finger print data includes, and searches and refer to comprising this The fingerprint template group of the characteristics of image of line data, then the fingerprint template for including with the fingerprint template group found by the finger print data Data are matched, and are unlocked when successful match, can quickly determine fingerprint template group, reduce time of comparison fingerprint template data Number, accelerates the unlock speed of mobile terminal.
Referring to Fig. 3, Fig. 3 is a kind of process signal of another embodiment of the method for starting application of the embodiment of the present invention Figure.Wherein, mobile terminal for example can be mobile phone, tablet computer, laptop, palm PC, mobile internet device (MID, mobile internet device), wearable device (such as smartwatch (such as iwatch), Intelligent bracelet, meter Step device etc.) or other have fingerprint data collection function and acquire the terminal device of kinematic parameter.
As shown in figure 3, another embodiment for the method that a kind of starting of the embodiment of the present invention is applied may include following step Suddenly.
S300 receives finger print data, wherein the finger print data includes the characteristics of image of fingerprint.
In the specific implementation, can receive the finger print data of user's input, based on the received fingerprint before mobile terminal unlock Data execute the step of identification matching.Specifically, mobile terminal can obtain the characteristics of image of finger print data, and characteristics of image may include At least one of crosspoint, turning point, breakpoint, line shape, Mode Areas, core point, triangulation point and line number in finger print data.Its In, line shape may include annular (also known as bucket shape), arch and spiral shape.Mode Areas refers to including general characteristic in finger print data Region, some recognizers according to Mode Areas can tell fingerprint belonging to type.Core point is located at fingerprint lines gradually Into center, it is when reading fingerprint and comparing fingerprint for as a reference point.Triangulation point is located at first since core point Bifurcation perhaps breakpoint perhaps at the convergence of two lines, isolated point, turn back place or be directed toward singular point.Triangulation point mentions It has supplied in place of the beginning of counting tracking of fingerprint lines.Line number is the quantity of fingerprint lines in Mode Areas.It therefore, can be according to fingerprint The characteristics of image of data distinguishes different fingerprints.
As a kind of enforceable mode, the screen of mobile terminal or the settable predeterminable area of Touch control key outside screen, The predeterminable area is for receiving finger print data.When predeterminable area receives finger print data, then phase is made according to finger print data The operation answered.
As a kind of enforceable mode, predeterminable area can be display area or hidden area, other than predeterminable area The finger print data received can be invalid finger print data or be the finger print data for realizing other function, in the embodiment of the present invention In, predeterminable area is only used for unlocking.For example, can show in the Touch control key outside screen or screen for acquiring finger print data Predeterminable area, to prompt user to input finger print data on predeterminable area.In another example predeterminable area can be hidden, only Know that the user of predeterminable area position could input finger print data on correct region, the safety of finger print data input can be improved Property, concealment.
As a kind of enforceable mode, the relevant natures such as position, size, show or hide of predeterminable area can according to The setting instruction of family input is set, alternatively, being set before mobile terminal factory.
S301 determines the fingerprint template group of the characteristics of image comprising the finger print data.
In the specific implementation, fingerprint template group can be established according to every kind of fingerprint, fingerprint template group is for uniquely indicating a kind of finger Line.Fingerprint template group further includes multiple fingerprint template data of this kind of fingerprint, and each fingerprint template data include this kind of fingerprint Characteristics of image.Mobile terminal identify finger print data before, can acquire user input fingerprint multiple fingerprint template data with And the characteristics of image of this kind of fingerprint, and according to multiple fingerprint template data of the fingerprint of user's input and the image of this kind of fingerprint Feature establishes fingerprint template group, and fingerprint template group is stored in memory, to improve the discrimination of finger print data.Work as movement After terminal receives the finger print data of user's input, the characteristics of image of finger print data determines equally include the fingerprint based on the received The fingerprint template group of the characteristics of image of data.For example, if mobile terminal receives the finger print data of index finger, from the fingerprint number of index finger After the characteristics of image for getting index finger in, the fingerprint template group of the characteristics of image comprising the index finger is searched.
S302 obtains multiple fingerprint moulds if the fingerprint template group of the characteristics of image comprising the finger print data is multiple The quantity of the characteristics of image for the finger print data that each fingerprint template group includes in board group and each fingerprint template group The weight of the characteristics of image for the finger print data for including.
In the specific implementation, the situation that different fingerprints is identical there may be its characteristics of image, such as the parts of images of index finger Feature may be identical as nameless parts of images feature, therefore the image that the corresponding fingerprint template group of both fingerprints is included Feature there is a situation where identical.However, all characteristics of image of not different fingerprints are all the same, it is therefore desirable to determine to include fingerprint The fingerprint template group of the characteristics of image of data is multiple, includes multiple fingerprint templates of the characteristics of image of the finger print data in determination After group, the quantity of characteristics of image of each fingerprint template group comprising the finger print data in multiple fingerprint template groups is determined.For example, There are a identical characteristics of image in index finger and nameless finger print data, and include the finger print data received determining After the fingerprint template group of characteristics of image, the finger print data received that the fingerprint template group of index finger is included is found through statistics The quantity of characteristics of image is a, and the characteristics of image for the finger print data received that nameless fingerprint template group is included Quantity is b.In addition, the weight that each fingerprint template group includes the characteristics of image of the finger print data can be obtained, such as not With fingerprint, there are the weights that identical characteristics of image can reduce its characteristics of image for corresponding fingerprint template group, for uniquely indicating The characteristics of image of line can increase the weight of the characteristics of image.
S303, the quantity of the characteristics of image for the finger print data for including according to each fingerprint template group and described The weight of the characteristics of image for the finger print data that each fingerprint template group includes is determined from the multiple fingerprint template group and is used In the target fingerprint template group for matching the finger print data.
In the specific implementation, the quantity of the characteristics of image for the finger print data that can include from multiple fingerprint template groups and every The weight of each characteristics of image for the finger print data that a fingerprint template group includes determines target fingerprint template group.
Optionally, step S303 includes step S3031 (not shown) and step S3032 (not shown).
S3031, the quantity of the characteristics of image for the finger print data for including according to the multiple fingerprint template group and institute State the power of each fingerprint template group described in the weight calculation of the characteristics of image for the finger print data that each fingerprint template group includes Weight total value.
In the specific implementation, can according to the quantity of the characteristics of image for the finger print data that multiple fingerprint template groups include and The weight of each fingerprint template group of the weight calculation of each characteristics of image for the finger print data that each fingerprint template group includes Total value.For example, the quantity of the characteristics of image for the finger print data received that the fingerprint template group of index finger is included is a, then obtain The weight of each characteristics of image in a characteristics of image of the finger print data received is taken, and according to a characteristics of image and a The weight sum of the fingerprint template group of the weight calculation index finger of each characteristics of image, similarly calculates nameless finger in characteristics of image The weight sum of line template group.
S3032 determines the maximum fingerprint template group of weight total value as the target from the multiple fingerprint template group Fingerprint template group.
In the specific implementation, fingerprint template group maximum for weight total value is determined as matching the finger print data received Target fingerprint template group.For example, mobile terminal is by the weight sum of the fingerprint template group of index finger and nameless fingerprint template The weight sum of group is compared, and determines that the maximum fingerprint template group of weight sum is target fingerprint from multiple fingerprint template groups Template group.
S304 matches the finger print data with the target fingerprint template data in the target fingerprint template group.
In the specific implementation, after determining the target fingerprint template group for matching the finger print data received, it is mobile Terminal matches the finger print data received with the target fingerprint template data in target fingerprint template group.For example, mobile Terminal determines that the weight total value of nameless fingerprint template group is maximum, it is thus determined that nameless fingerprint template group is target fingerprint Template group, finally by the target fingerprint template data progress in the finger print data received and nameless fingerprint template group Match.
Optionally, there is the situation of bad point for finger print data, it is above-mentioned by the finger print data and the target fingerprint template The detailed process example for the step of target fingerprint template data in group is matched is as follows:
N2 bottom data value is obtained by n2 normal induction electrode of fingerprint recognition mould group, passes through fingerprint recognition mould group N1 abnormal induction electrode obtain n1 abnormal bottom data value, n1 refers to bottom data value and n2 bottom data value is Finger print data, the induction electrode array of fingerprint recognition mould group include n1 abnormal induction electrode and n2 normal induction electrode, n1, N2 is positive integer.
According to the collected n2 bottom data value of n2 normal induction electrode of fingerprint recognition mould group, n1 exception is determined Induction electrode corresponding n1 refers to bottom data value;It is raw with reference to bottom data value with reference to bottom data value and n1 according to n2 At real time fingerprint image;Extract the characteristic point in real time fingerprint image;The characteristic point extracted is compared according to the fingerprint template prestored, To obtain the similarity score of real time fingerprint image, and matching result is generated when similarity score is greater than preset threshold.It is above-mentioned In instantiation procedure, according to the collected n2 bottom data value of n2 induction electrode of fingerprint recognition mould group, n1 bad point is determined The corresponding n1 example implementation process with reference to bottom data value is as follows:
Determine the n2 average value with reference to bottom data value;Determine that n1 bad point corresponding n1 is with reference to bottom data value Average value.
S305, if the finger print data and the target fingerprint template data successful match, unlock mobile terminal.
In the specific implementation, if the target fingerprint template data that mobile terminal includes to finger print data and target fingerprint template group Successful match then authenticates success, and unlocks mobile terminal.
Using the embodiment of the present invention, by obtaining the characteristics of image for the fingerprint that finger print data includes, and searches and refer to comprising this The fingerprint template group of the characteristics of image of line data, then the fingerprint template for including with the fingerprint template group found by the finger print data Data are matched, and are unlocked when successful match, can quickly determine fingerprint template group, reduce time of comparison fingerprint template data Number, accelerates the unlock speed of mobile terminal.
Referring to Fig. 4, Fig. 4 is a kind of structural schematic diagram of mobile terminal of the embodiment of the present invention.It is shown in Fig. 4 mobile whole For executing Fig. 1 to unlocking method shown in Fig. 3, the present embodiment then repeats no more detailed implementation content at end.As shown in Figure 4 Mobile terminal includes receiving module 400, determining module 401, matching module 402 and unlocked state 403.
Receiving module 400, for receiving finger print data, wherein the finger print data includes the characteristics of image of fingerprint;
Determining module 401, for determining the fingerprint of the characteristics of image comprising the received finger print data of the receiving module 400 Template group;
Matching module 402, the fingerprint template data for including by the finger print data and the fingerprint template group carry out Matching;
Unlocked state 403 unlocks if being used for 402 successful match of matching module.
In the specific implementation, can receive the finger print data of user's input, based on the received fingerprint before mobile terminal unlock Data execute the step of identification matching.Specifically, mobile terminal can obtain the characteristics of image of finger print data, and characteristics of image may include At least one of crosspoint, turning point, breakpoint, line shape, Mode Areas, core point, triangulation point and line number in finger print data.Its In, line shape may include annular (also known as bucket shape), arch and spiral shape.Mode Areas refers to including general characteristic in finger print data Region, some recognizers according to Mode Areas can tell fingerprint belonging to type.Core point is located at fingerprint lines gradually Into center, it is when reading fingerprint and comparing fingerprint for as a reference point.Triangulation point is located at first since core point Bifurcation perhaps breakpoint perhaps at the convergence of two lines, isolated point, turn back place or be directed toward singular point.Triangulation point mentions It has supplied in place of the beginning of counting tracking of fingerprint lines.Line number is the quantity of fingerprint lines in Mode Areas.It therefore, can be according to fingerprint The characteristics of image of data distinguishes different fingerprints.
In the specific implementation, fingerprint template group can be established according to every kind of fingerprint, fingerprint template group is for uniquely indicating a kind of finger Line.Fingerprint template group further includes multiple fingerprint template data of this kind of fingerprint, and each fingerprint template data include this kind of fingerprint Characteristics of image.Mobile terminal identify finger print data before, can acquire user input fingerprint multiple fingerprint template data with And the characteristics of image of this kind of fingerprint, and according to multiple fingerprint template data of the fingerprint of user's input and the image of this kind of fingerprint Feature establishes fingerprint template group, and fingerprint template group is stored in memory, to improve the discrimination of finger print data.Work as movement After terminal receives the finger print data of user's input, the characteristics of image of finger print data determines equally include the fingerprint based on the received The fingerprint template group of the characteristics of image of data.For example, if mobile terminal receives the finger print data of index finger, from the fingerprint number of index finger After the middle characteristics of image for obtaining index finger, the fingerprint template group of the characteristics of image comprising the index finger is searched.
In the specific implementation, after mobile terminal finds the fingerprint template group of the characteristics of image comprising the finger print data, The finger print data received is matched with the fingerprint template data that the fingerprint template group includes.For example, being looked into mobile terminal After the fingerprint template group for finding the characteristics of image comprising index finger, determine that the fingerprint template group for comparing is the fingerprint mould of index finger Board group, and the finger print data of the index finger received is matched with the fingerprint template data that the fingerprint template group of index finger includes.
In the specific implementation, if the mobile terminal fingerprint template Data Matching that includes to finger print data and fingerprint template group at Function then authenticates success, and unlocks mobile terminal.Specifically, when mobile terminal is by the finger print data and index finger of the index finger received Fingerprint template group include fingerprint template Data Matching success when, then authenticate success, and unlock mobile terminal.
Optionally, as shown in figure 5, the mobile terminal further includes the first acquisition module 404.
First obtains module 404, if the fingerprint template group for the characteristics of image comprising the finger print data is multiple, Obtain the quantity of the characteristics of image for the finger print data that each fingerprint template group includes in multiple fingerprint template groups;
The determining module 401 is also used to the image for the finger print data for including according to each fingerprint template group The quantity of feature determines the target fingerprint template group for matching the finger print data from the multiple fingerprint template group;
The matching module 402, is specifically used for:
The finger print data is matched with the target fingerprint template data in the target fingerprint template group.
Optionally, the determining module 401, is specifically used for:
The most fingerprint of the quantity of the characteristics of image comprising the finger print data is determined from the multiple fingerprint template group Template group is as the target fingerprint template group.
Optionally, as shown in figure 5, the mobile terminal further includes the second acquisition module 405.
Second obtains module 405, if the fingerprint template group for the characteristics of image comprising the finger print data is multiple, Obtain the quantity of the characteristics of image for the finger print data that each fingerprint template group includes in multiple fingerprint template groups and described The weight of the characteristics of image for the finger print data that each fingerprint template group includes;
The determining module 401 is also used to the image for the finger print data for including according to each fingerprint template group The weight of the characteristics of image for the finger print data that the quantity of feature and each fingerprint template group include, from the multiple The target fingerprint template group for matching the finger print data is determined in fingerprint template group;
The matching module 402, is specifically used for:
The finger print data is matched with the target fingerprint template data in the target fingerprint template group.
Optionally, as shown in figure 5, the determining module 401, including computing unit 4011 and determination unit 4012.
Computing unit 4011, the characteristics of image of the finger print data for including according to the multiple fingerprint template group Each fingerprint described in the weight calculation of the characteristics of image for the finger print data that quantity and each fingerprint template group include The weight total value of template group;
Determination unit 4012, for determining that the maximum fingerprint template group of weight total value is made from the multiple fingerprint template group For the target fingerprint template group.
Using the embodiment of the present invention, by obtaining the characteristics of image for the fingerprint that finger print data includes, and searches and refer to comprising this The fingerprint template group of the characteristics of image of line data, then the fingerprint template for including with the fingerprint template group found by the finger print data Data are matched, and are unlocked when successful match, can quickly determine fingerprint template group, reduce time of comparison fingerprint template data Number, accelerates the unlock speed of mobile terminal.
Referring to Fig. 6, Fig. 6 is the structural schematic diagram of another mobile terminal of the embodiment of the present invention.Movement shown in fig. 6 Terminal includes memory 600 and processor 601, in which:
Batch processing code is stored in the memory 600, and the processor 601 calls in the memory 600 Program code, for executing implementation example figure 1 to unlocking method shown in Fig. 3.As an optional module, terminal device can be with Include fingerprint collecting equipment 602.It should be noted that if fingerprint image to be processed comes from the fingerprint of other equipment acquisition Image, local terminal can not have the fingerprint collecting equipment.
Wherein, above-mentioned processor 601, for receiving finger print data, wherein the finger print data includes that the image of fingerprint is special Sign;Determine the fingerprint template group of the characteristics of image comprising the finger print data;By the finger print data and the fingerprint template group The fingerprint template data for including are matched;If the finger print data and fingerprint template Data Matching success, unlock.
After above-mentioned processor 601 determines the fingerprint template group of the characteristics of image comprising the finger print data, if including institute State the characteristics of image of finger print data fingerprint template group be it is multiple when, obtain each fingerprint template group packet in multiple fingerprint template groups The quantity of the characteristics of image of the finger print data contained;According to the figure for the finger print data that each fingerprint template group includes As the quantity of feature, the target fingerprint template group for matching the finger print data is determined from the multiple fingerprint template group; The finger print data is matched with the target fingerprint template data in the target fingerprint template group.
Above-mentioned processor 601 determines the number of the characteristics of image comprising the finger print data from the multiple fingerprint template group Most fingerprint template groups is measured as the target fingerprint template group.
After above-mentioned processor 601 determines the fingerprint template group of the characteristics of image comprising the finger print data, if including institute State the characteristics of image of finger print data fingerprint template group be it is multiple when, obtain each fingerprint template group packet in multiple fingerprint template groups The figure for the finger print data that the quantity of the characteristics of image of the finger print data contained and each fingerprint template group include As the weight of feature;The quantity of the characteristics of image for the finger print data for including according to each fingerprint template group and described The weight of the characteristics of image for the finger print data that each fingerprint template group includes is determined from the multiple fingerprint template group and is used In the target fingerprint template group for matching the finger print data;By the target in the finger print data and the target fingerprint template group Fingerprint template data are matched.
The quantity of the characteristics of image for the finger print data that above-mentioned processor 601 includes according to the multiple fingerprint template group And each fingerprint template described in the weight calculation of the characteristics of image of each fingerprint template group finger print data for including The weight total value of group;Determine that the maximum fingerprint template group of weight total value refers to as the target from the multiple fingerprint template group Line template group.
Using the embodiment of the present invention, by obtaining the characteristics of image for the fingerprint that finger print data includes, and searches and refer to comprising this The fingerprint template group of the characteristics of image of line data, then the fingerprint template for including with the fingerprint template group found by the finger print data Data are matched, and are unlocked when successful match, can quickly determine fingerprint template group, reduce time of comparison fingerprint template data Number, accelerates the unlock speed of mobile terminal.
Referring to Fig. 7, Fig. 7 is the structural schematic diagram of another mobile terminal of the embodiment of the present invention.As shown in fig. 7, being Convenient for explanation, only parts related to embodiments of the present invention are shown, disclosed by specific technical details, please refers to the present invention Embodiment method part.Mobile terminal can be include mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS (Point of Sales, point-of-sale terminal), any terminal device such as vehicle-mounted computer, Taking the terminal as an example:
Fig. 7 shows the block diagram of the part-structure of mobile phone relevant to mobile terminal provided in an embodiment of the present invention.Hand Machine includes: radio frequency (Radio Frequency, RF) circuit 710, memory 720, input unit 730, display unit 740, sensing Device 750, voicefrequency circuit 760, Wireless Fidelity (wireless fidelity, WiFi) module 770, processor 780 and power supply 790 equal components.It, can be with it will be understood by those skilled in the art that handset structure shown in Fig. 7 does not constitute the restriction to mobile phone Including perhaps combining certain components or different component layouts than illustrating more or fewer components.
It is specifically introduced below with reference to each component parts of the Fig. 7 to mobile phone:
RF circuit 710 can be used for sending and receiving for signal, and particularly, the unlock instruction of user's input and correlation are set After setting command reception, handled to processor 780.In general, RF circuit 710 includes but is not limited to antenna, at least one amplifier, receives Sender, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..
Memory 720 can be used for storing software program and module, and processor 780 is stored in memory 720 by operation Software program and module, thereby executing the various function application and data processing of mobile phone.Memory 720 can mainly include Storing program area and storage data area, wherein storing program area can application journey needed for storage program area, at least one function Sequence (such as sound-playing function, image player function etc.), finger print data, sound instruction, pressure value etc.;Storage data area can deposit Storage uses created data (such as audio data, finger print data, pressure value etc.) etc. according to mobile phone.In addition, memory 720 May include high-speed random access memory, can also include nonvolatile memory, a for example, at least disk memory, Flush memory device or other volatile solid-state parts.
Input unit 730 can be used for receiving the number or character information of input, and generate with the user setting of mobile phone with And the related key signals input of function control.Specifically, input unit 730 may include that touch panel 731 and other inputs are set Standby 732.Touch panel 731, also referred to as touch screen, collect user on it or nearby touch operation (such as user use The operation of any suitable object or attachment such as finger, stylus on touch panel 731 or near touch panel 731), and root Corresponding attachment device is driven according to preset formula.Optionally, touch panel 731 may include touch detecting apparatus and touch Two parts of controller.Wherein, the touch orientation of touch detecting apparatus detection user, and touch operation bring signal is detected, Transmit a signal to touch controller;Touch controller receives touch information from touch detecting apparatus, and is converted into touching Point coordinate, then gives processor 780, and can receive order that processor 780 is sent and be executed.Touch detecting apparatus may be used also In the finger print data of predeterminable area detection user.Furthermore, it is possible to using resistance-type, condenser type, infrared ray and surface acoustic wave etc. Multiple types realize touch panel 731.In addition to touch panel 731, input unit 730 can also include other input equipments 732. Specifically, other input equipments 732 can include but is not limited to physical keyboard, function key (such as volume control button, switch press Key etc.), trace ball, mouse, one of operating stick etc. or a variety of.
Display unit 740 can be used for showing information input by user or be supplied to user information and mobile phone it is various Using.Display unit 740 may include display panel 741, optionally, can use liquid crystal display (Liquid Crystal Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure Show panel 741.Further, touch panel 731 can cover display panel 741, when touch panel 731 detect it is on it or attached After close touch operation, processor 780 is sent to determine the type of touch event, is followed by subsequent processing device 780 according to touch event Type corresponding visual output is provided on display panel 741.Although in Fig. 7, touch panel 731 and display panel 741 It is that the input and input function of mobile phone are realized as two independent components, but in some embodiments it is possible to by touch-control Panel 731 and display panel 741 are integrated and that realizes mobile phone output and input function.
Mobile phone may also include at least one sensor 750, for example, optical sensor, motion sensor, pressure sensor and Other sensors.Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can The brightness of display panel 741 is adjusted according to the light and shade of ambient light, proximity sensor can be closed when mobile phone is moved in one's ear Display panel 741 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generally Three axis) acceleration size, can detect that size and the direction of gravity when static, can be used to identify mobile phone posture application (ratio Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap);Pressure Force snesor is used to perceive the pressure of user's effect on the screen;Gyroscope, the barometer, humidity that can also configure as mobile phone The other sensors such as meter, thermometer, infrared sensor, details are not described herein.
Voicefrequency circuit 760, loudspeaker 761, microphone 762 can provide the audio interface between user and mobile phone.Audio-frequency electric Electric signal after the audio data received conversion can be transferred to loudspeaker 761, be converted to sound by loudspeaker 761 by road 760 Signal output;On the other hand, the sound instruction of collection is converted to electric signal by microphone 762, is turned after being received by voicefrequency circuit 760 It is changed to audio data, then audio data output processor 780 is handled, to reach the function being unlocked using sound instruction.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WiFi module 770 Part, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 7 is shown WiFi module 770, but it is understood that, and it is not belonging to must be configured into for mobile phone, it can according to need do not changing completely Become in the range of the essence of invention and omits.
Processor 780 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, is led to It crosses operation or executes the software program and/or module being stored in memory 720, and call and be stored in memory 720 Data execute the various functions and processing data of mobile phone, to carry out integral monitoring to mobile phone.Optionally, processor 780 can wrap Include one or more processing units;Preferably, processor 780 can integrate application processor and modem processor, wherein answer With the main processing operation system of processor, user interface and application program etc., modem processor mainly handles wireless communication. It is understood that above-mentioned modem processor can not also be integrated into processor 780.
Mobile phone further includes the power supply 790 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe Reason system and processor 780 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system Etc. functions.
Although being not shown, mobile phone can also include camera, bluetooth module etc., and details are not described herein.
In previous embodiment, each step method process can be realized based on the structure of the terminal device.Wherein sensor 750 Or touch panel 731 can be used as the use of fingerprint collecting equipment.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member It is physically separated with being or may not be, component shown as a unit may or may not be physics list Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness Labour in the case where, it can understand and implement.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
Module or unit in the device of that embodiment of the invention can be combined, divided and deleted according to actual needs.
The module or module of the embodiment of the present invention, can be with universal integrated circuit (such as central processor CPU), or with dedicated Integrated circuit (ASIC) is realized.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation Method described in certain parts of example or embodiment.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode Within enclosing.

Claims (6)

1. a kind of unlocking method characterized by comprising
Receive finger print data, wherein the finger print data includes the characteristics of image of fingerprint;
Determine the fingerprint template group of the characteristics of image comprising the finger print data;
The finger print data is matched with the fingerprint template data that the fingerprint template group includes;
If the finger print data and fingerprint template Data Matching success, unlock;
Wherein, after fingerprint template group of the determination comprising the characteristics of image of the finger print data, the method also includes:
If the fingerprint template group of the characteristics of image comprising the finger print data is multiple, obtain each in multiple fingerprint template groups The quantity of the characteristics of image for the finger print data that fingerprint template group includes and each fingerprint template group include described The weight of the characteristics of image of finger print data;
The quantity of the characteristics of image for the finger print data for including according to each fingerprint template group and each fingerprint The weight of the characteristics of image for the finger print data that template group includes is determined from the multiple fingerprint template group for matching State the target fingerprint template group of finger print data;
It is described to match the finger print data with the fingerprint template data that the fingerprint template group includes, comprising:
The finger print data is matched with the target fingerprint template data in the target fingerprint template group.
2. unlocking method according to claim 1, which is characterized in that described to include according to each fingerprint template group The image for the finger print data that the quantity of the characteristics of image of the finger print data and each fingerprint template group include is special The weight of sign determines the target fingerprint template group for matching the finger print data from the multiple fingerprint template group, comprising:
The quantity of the characteristics of image for the finger print data for including according to the multiple fingerprint template group and each fingerprint The weight total value of each fingerprint template group described in the weight calculation of the characteristics of image for the finger print data that template group includes;
Determine the maximum fingerprint template group of weight total value as the target fingerprint template group from the multiple fingerprint template group.
3. a kind of mobile terminal characterized by comprising
Receiving module, for receiving finger print data, wherein the finger print data includes the characteristics of image of fingerprint;
Determining module, for determining the fingerprint template group of the characteristics of image comprising the received finger print data of the receiving module;
Matching module, for matching the finger print data with the fingerprint template data that the fingerprint template group includes;
Unlocked state unlocks if being used for the matching module successful match;
Wherein, the mobile terminal further include:
Second obtains module, if the fingerprint template group for the characteristics of image comprising the finger print data is multiple, obtains more The quantity of the characteristics of image for the finger print data that each fingerprint template group includes in a fingerprint template group and each finger The weight of the characteristics of image for the finger print data that line template group includes;
The determining module is also used to the number of the characteristics of image for the finger print data for including according to each fingerprint template group The weight of the characteristics of image for the finger print data that amount and each fingerprint template group include, from the multiple fingerprint template The target fingerprint template group for matching the finger print data is determined in group;
The matching module, is specifically used for:
The finger print data is matched with the target fingerprint template data in the target fingerprint template group.
4. mobile terminal according to claim 3, which is characterized in that the determining module, comprising:
Computing unit, the quantity of the characteristics of image of the finger print data for including according to the multiple fingerprint template group and Each fingerprint template group described in the weight calculation of the characteristics of image for the finger print data that each fingerprint template group includes Weight total value;
Determination unit, for determining the maximum fingerprint template group of weight total value as the mesh from the multiple fingerprint template group Mark fingerprint template group.
5. a kind of mobile terminal, which is characterized in that including memory and processor, in which:
Batch processing code is stored in memory, and the processor calls the program code in the memory, for executing Such as the described in any item unlocking methods of claim 1 to 2.
6. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer soft Part product, some instructions that the computer software product includes, with so that computer equipment perform claim require 1 to Method described in 2 any one.
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