CN104077516B - A kind of biological authentication method and terminal - Google Patents

A kind of biological authentication method and terminal Download PDF

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Publication number
CN104077516B
CN104077516B CN201410297982.5A CN201410297982A CN104077516B CN 104077516 B CN104077516 B CN 104077516B CN 201410297982 A CN201410297982 A CN 201410297982A CN 104077516 B CN104077516 B CN 104077516B
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certification
biological identification
level
rank
threshold value
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CN104077516A (en
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张慧敏
黄康敏
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to PCT/CN2015/082327 priority patent/WO2015197008A1/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Collating Specific Patterns (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • User Interface Of Digital Computer (AREA)
  • Telephone Function (AREA)

Abstract

A kind of biological authentication method and terminal, the biological authentication method include：Obtain the operational motion input by user for application and biometric authentication information input by user；Biological identification rank of the inquiry for the operational motion of application；Obtain the corresponding certification threshold value of the biological identification rank；The biometric authentication information that the user of biometric authentication information input by user and storage registers is subjected to matching operation, obtains matching result；By the matching result to be authenticated operating compared with certification threshold value.The embodiment of the present invention can determine the operational motion of different biological identification ranks different certification threshold values, to balance the relation of the security of biological identification operation and convenience.The embodiment of the present invention also provides another biological authentication method, can intelligently obtain the operational motion input by user for application according to current state information, further increasing the convenience of terminal operation.

Description

A kind of biological authentication method and terminal
Technical field
The present invention relates to field of computer technology, more particularly to a kind of biological authentication method and terminal.
Background technology
At present, the terminal device such as smart mobile phone, net book and computer includes more and more private files or application, existing Technology uses secure authentication technology (such as face, vocal print or fingerprint recognition) for these files or application, to terminal device Whether unlock or definite user have the operating right to terminal document or application.
However, accessing the various operational motions in terminal to user uses identical authentication operation, will for safe coefficient Relatively low operational motion (such as checking that weather or time will not enable private file or produce the application of expense) is sought, is performed same The authentication operation of sample is relatively cumbersome, and requires safe coefficient relatively high operational motion (such as make a phone call, send short messages), also holds The same authentication operation of row cannot preferably ensure security, thus can not balancing run convenience and security relation.
The content of the invention
The embodiment of the present invention provides a kind of biological authentication method and terminal, the biological identification rank that can be acted to different operating Perform corresponding authentication operation.
First aspect of the embodiment of the present invention provides a kind of biological authentication method, including：
Obtain the operational motion input by user for application and biometric authentication information input by user；
The biological identification rank of the inquiry operational motion for application；
Obtain the corresponding certification threshold value of the biological identification rank；
The biometric authentication information input by user and the biometric authentication information of the user's registration are subjected to matching operation, Obtain matching result；
By the matching result to be authenticated operating compared with the certification threshold value.
It is described to obtain the biological identification level in the first possible implementation of first aspect of the embodiment of the present invention Before not corresponding certification threshold value, further include：
Judge whether the biological identification rank is higher than and refer to certification level, wherein, it is described to include in advance with reference to certification level The certification level of setting authentication starting level, history certification level or preceding once certification；
If the biological identification be superior to it is described refer to certification level, perform the acquisition biological identification level Not corresponding certification threshold value the step of.
It is described to obtain the biological identification level in second of possible implementation of first aspect of the embodiment of the present invention Before not corresponding certification threshold value, further include：
Judge whether the biological identification rank is less than and refer to certification level, wherein, it is described to include in advance with reference to certification level The certification level of setting authentication starting level, history certification level or preceding once certification；
If the biological identification rank refers to certification level less than described, the acquisition biological identification level is performed Not corresponding certification threshold value the step of.
In the third possible implementation of first aspect of the embodiment of the present invention, application pair is directed to described in the inquiry The biological identification rank of the operational motion of elephant, including：
Using the operational motion for application as foundation, institute is inquired about from the biological identification level map table of storage State the corresponding biological identification rank of operational motion；
Wherein, the biological identification level map table includes the pre-set operational motion for application and biology Mapping relations between certification level.
With reference to the embodiment of the present invention in a first aspect, or first aspect of the embodiment of the present invention the first into the third appoint A kind of possible implementation, in the 4th kind of possible implementation of first aspect of the embodiment of the present invention, the acquisition institute The corresponding certification threshold value of biological identification rank is stated, including：
Using the type of the biometric authentication information as foundation, from the certification threshold map table of storage search the biology and recognize Demonstrate,prove the corresponding certification threshold value of rank；
Wherein, the certification threshold map table includes the type of the biometric authentication information, the biological identification rank And the mapping relations between certification threshold value three；The type of the biometric authentication information includes vocal print, face, fingerprint or iris In any one or several combination.
With reference to the embodiment of the present invention in a first aspect, or first aspect of the embodiment of the present invention the first into the third appoint A kind of possible implementation, in the 5th kind of possible implementation of first aspect of the embodiment of the present invention, the acquisition institute The corresponding certification threshold value of biological identification rank is stated, including：
Obtain the corresponding certification accuracy rate of the biological identification rank；
Using the type of the biometric authentication information as foundation, the certification with the type matching of the biometric authentication information is obtained Fitting function；Wherein, the certification fitting function is used to represent that the certification accuracy rate is corresponding with the biological identification rank Relation between certification threshold value；
Input quantity using the certification accuracy rate of the acquisition as the certification fitting function, calculates the biological identification level Not corresponding certification threshold value.
Appoint with reference to the first of first aspect of the embodiment of the present invention or first aspect of the embodiment of the present invention into the third A kind of possible implementation, in the 6th kind of possible implementation of first aspect of the embodiment of the present invention, the acquisition institute The corresponding certification threshold value of biological identification rank is stated, including：
Obtain the corresponding false acceptance rate of the biological identification rank；
Using the type of the biometric authentication information as foundation, the inverse proportion obtained between false acceptance rate and certification threshold value is bent Line；
Using the corresponding false acceptance rate of the biological identification rank as foundation, institute is determined from the inverse ratio curve State the corresponding certification threshold value of biological identification rank.
With reference to the embodiment of the present invention in a first aspect, or the first of first aspect of the embodiment of the present invention appoint in the 6th kind A kind of possible implementation, in the 7th kind of possible implementation of first aspect of the embodiment of the present invention, described obtain is used The operational motion for application of family input, including：
Operational order of the user to terminal is obtained, and parses the corresponding operation for application of the operational order and moves Make.
Second aspect of the present invention provides another biological authentication method, including：
Current state information is obtained, wherein, the current state information includes time, place, temperature or terminal operating shape Any one or several combination in state；
According to historical operation information, obtain matched input by user for application with the current state information Operational motion, wherein, the historic state information that the historical operation information includes storage is directed to application with input by user Historical operation action between correspondence；
Receive biometric authentication information input by user；
Inquire about the biological identification rank of the operational motion of the acquisition；
The biometric authentication information input by user is authenticated operating according to the biological identification rank, in order to sound Answer the operational motion.
It is described according to historical operation information in the first possible implementation of second aspect of the present invention, obtain with The matched operational motion input by user for application of current state information, including：
Identify to whether there is in historical operation information and applied with matched input by user be directed to of the current state information Object historical operation action, if in the presence of, using the historical operation action as active user input be directed to application Operational motion.The third aspect of the embodiment of the present invention provides a kind of terminal, including：
First acquisition unit, for obtaining the operational motion input by user for application；
Second acquisition unit, for obtaining biometric authentication information input by user；
Query unit, the biology of the operational motion for application obtained for inquiring about the first acquisition unit are recognized Demonstrate,prove rank；
3rd acquiring unit, for obtaining the corresponding certification threshold value of the biological identification rank；
Matching unit, for biometric authentication information input by user and the user for obtaining the first acquisition unit The biometric authentication information of registration carries out matching operation, obtains matching result；
Comparing unit, for the certification threshold value for obtaining the matching result of the matching unit and the 3rd acquiring unit It is compared to be authenticated operating.
In the first possible implementation of the third aspect of the embodiment of the present invention, the terminal further includes：
First judging unit, for whether judging the biological identification rank higher than certification level is referred to, when described first When being, to trigger, the 3rd acquiring unit execution acquisition biological identification rank is corresponding to recognize the judging result of judging unit Demonstrate,prove threshold value the step of, wherein, it is described with reference to certification level include pre- setting authentication starting level, history certification level or it is preceding once The certification level of certification.
In second of possible implementation of the third aspect of the embodiment of the present invention, the terminal further includes：
Second judging unit, for whether judging the biological identification rank less than certification level is referred to, when described second When being, to trigger, the 3rd acquiring unit execution acquisition biological identification rank is corresponding to recognize the judging result of judging unit Demonstrate,prove threshold value the step of, wherein, it is described with reference to certification level include pre- setting authentication starting level, history certification level or it is preceding once The certification level of certification.
In the third possible implementation of the third aspect of the embodiment of the present invention, the query unit be specifically used for The operational motion for application is foundation, and the operational motion is inquired about from the biological identification level map table of storage Corresponding biological identification rank；
Wherein, the biological identification level map table includes the pre-set operational motion for application and biology Mapping relations between certification level.
With reference to the third aspect of the embodiment of the present invention, or the first of the third aspect of the embodiment of the present invention is appointed into the third A kind of possible implementation, in the 4th kind of possible implementation of the third aspect of the embodiment of the present invention, the described 3rd obtains Unit is taken to be specifically used for using the type of the biometric authentication information as foundation, from the certification threshold map table of storage described in lookup The corresponding certification threshold value of biological identification rank；
Wherein, the certification threshold map table includes the type of the biometric authentication information, the biological identification rank And the mapping relations between certification threshold value three；The type of the biometric authentication information includes vocal print, face, fingerprint or iris In any one or several combination.
With reference to the third aspect of the embodiment of the present invention, or the first of the third aspect of the embodiment of the present invention is appointed into the third A kind of possible implementation, in the 5th kind of possible implementation of the third aspect of the embodiment of the present invention, the described 3rd obtains Unit is taken, including：
First obtains subelement, for obtaining the corresponding certification accuracy rate of the biological identification rank；
Second obtains subelement, for using the type of the biometric authentication information as foundation, obtaining and the biological identification The certification fitting function of the type matching of information；Wherein, the certification fitting function is used to represent the certification accuracy rate and institute State the relation between the corresponding certification threshold value of biological identification rank；
Computation subunit, the certification accuracy rate for obtaining subelement acquisition using described first obtain son as described second The input quantity for the certification fitting function that unit obtains, calculates the corresponding certification threshold value of the biological identification rank.
Appoint with reference to the first of the third aspect of the embodiment of the present invention or the third aspect of the embodiment of the present invention into the third A kind of possible implementation, in the 6th kind of possible implementation of the third aspect of the embodiment of the present invention, the described 3rd obtains Unit is taken, including：
3rd obtains subelement, for obtaining the corresponding false acceptance rate of the biological identification rank；
4th obtains subelement, for using the type of the biometric authentication information as foundation, obtaining false acceptance rate with recognizing Demonstrate,prove the inverse ratio curve between threshold value；
Determination subelement, for obtaining the corresponding mistake of the biological identification rank of subelement acquisition with the described 3rd False acceptance rate is foundation, determines that the biological identification rank corresponds on the inverse ratio curve for obtaining subelement acquisition from the described 4th Certification threshold value.
With reference to the third aspect of the embodiment of the present invention, or the third aspect of the embodiment of the present invention the first to appointing in the 6th kind A kind of possible implementation, in the 7th kind of possible implementation of the third aspect of the embodiment of the present invention, described first obtains Unit is taken to be specifically used for obtaining user to the operational order of terminal, and it is corresponding for application to parse the operational order Operational motion.
Fourth aspect of the embodiment of the present invention provides another terminal, including：
First acquisition unit, for obtaining current state information, wherein, the current state information include the time, place, Any one or several combination in temperature or terminal running state；
Second acquisition unit, for according to historical operation information, obtaining the current shape obtained with the first acquisition unit The operational motion input by user for application of state information matches, wherein, the historical operation information includes storage Correspondence between historic state information and the historical operation action input by user for application；
Receiving unit, for receiving biometric authentication information input by user；
Query unit, the biological identification rank of the operational motion obtained for inquiring about the second acquisition unit；
Authentication unit, the use that the biological identification rank for being inquired about according to the query unit receives the receiving unit The biometric authentication information of family input is authenticated operating, in order to respond the operational motion.
In the first possible implementation of fourth aspect of the embodiment of the present invention, the second acquisition unit is specifically used In identify whether there is in historical operation information it is matched input by user for application with the current state information Historical operation acts, if in the presence of the operation for application using historical operation action as active user's input Action.
Therefore the embodiment of the present invention inquires about institute by obtaining the operational motion input by user for application The biological identification rank of the operational motion for application is stated, then, obtains the corresponding certification threshold of the biological identification rank Value；Finally, the biometric authentication information input by user of acquisition is matched with the biometric authentication information of the user's registration, is obtained Matching result, and by the matching result and the certification threshold value comparison, when the comparative result meets condition, it is determined that Certification passes through.The embodiment of the present invention according to the biological identification rank of the operational motion for application by determining certification Threshold value, i.e., obtain different certification threshold values to the operational motion of different biological identification ranks, carries out corresponding matching and compares operation, Balance the relation of terminal operation security and convenience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of flow diagram of biological authentication method disclosed by the embodiments of the present invention；
Fig. 2 is the flow diagram of another biological authentication method disclosed by the embodiments of the present invention；
Fig. 3 is a kind of false acceptance rate disclosed by the embodiments of the present invention and the inverse ratio curve schematic diagram of certification threshold value；
Fig. 4 is a kind of false rejection rate disclosed by the embodiments of the present invention and the direct proportion curve synoptic diagram of certification threshold value；
Fig. 5 is the flow diagram of another biological authentication method disclosed by the embodiments of the present invention；
Fig. 6 is a kind of structure diagram of terminal disclosed by the embodiments of the present invention；
Fig. 7 is the structure diagram of another terminal disclosed by the embodiments of the present invention；
Fig. 8 is the structure diagram of another terminal disclosed by the embodiments of the present invention；
Fig. 9 is the structure diagram of another terminal disclosed by the embodiments of the present invention；
Figure 10 is a kind of schematic diagram of biological authentification system disclosed by the embodiments of the present invention；
Figure 11 is a kind of structure diagram of biometric authentication device disclosed by the embodiments of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts Embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention discloses a kind of biological authentication method and terminal, can be recognized according to the different biologies of operational motion Card rank determines that different certification threshold values carries out biological identification.It is described in detail individually below.
Fig. 1 is referred to, Fig. 1 is a kind of flow diagram of biological authentication method disclosed by the embodiments of the present invention.Such as Fig. 1 institutes Show, this method includes：
S101：Obtain the operational motion input by user for application and biometric authentication information input by user.
In the embodiment of the present invention, it can be obtained by terminals such as smart mobile phone, net book or other intelligent wearable devices Operational motion input by user for application and biometric authentication information input by user.Wherein, in the embodiment of the present invention Terminal can include at least one processor, terminal can work under the control of at least one processor.
As a kind of alternatively embodiment, terminal obtains the mode of the operational motion input by user for application Can be：Terminal obtains operational order of the user to terminal first, and it is corresponding for application to obtain to parse the operational order The operational motion of object.
As another alternatively embodiment, terminal obtains the side of the operational motion input by user for application Formula can be：First, terminal obtains current state information, wherein, current state information includes current time, place, temperature Or appoint in terminal running state (terminal running state includes remaining capacity, the process being carrying out or memory headroom of terminal etc.) One or more of combinations, then, the status information that terminal recognition prestores and the behaviour input by user for application It whether there is and the matched behaviour input by user for application of current state information in correspondence between acting Act, if in the presence of terminal obtains matched input by user for application pair with current state information from correspondence The operational motion of elephant.For example, terminal can solve lock screen in user, current state information corresponding day is stored with correspondence Journey reminds or during event memorandum etc., can automatically obtain and input by user be directed to these application (such as calendar promptings or event Memorandum etc.) operational motion.
In addition, terminal can obtain input by user after the operational motion input by user for application is obtained Biometric authentication information；Alternatively, terminal obtain the step of operational motion input by user for application can be with terminal The step of obtaining biometric authentication information input by user is carried out at the same time, for example, as user by phonetic entry for browser During operational motion, terminal can obtain the voiceprint of the voice as biometric authentication information input by user；Alternatively, first, Terminal obtains the operational motion that user is directed to certain APP by gesture input, and then, terminal obtains face information input by user and makees For biometric authentication information.
S102：Biological identification rank of the inquiry for the operational motion of application.
In the embodiment of the present invention, it can be inquired about by terminals such as smart mobile phone, net book or other intelligent wearable devices For the biological identification rank of the operational motion of application.
Specifically, terminal inquiry can be with for application for the biological identification rank of the operational motion of application Operational motion be foundation, the corresponding biological identification level of the operational motion is inquired about from the biological identification level map table of storage Not, wherein, biological identification level map table includes the pre-set operational motion for application and biological identification rank Between mapping relations, i.e., the different operational motions for application, corresponding biological identification rank is also different, for example, For the query actions of weather application, since its process will not enable the private file of user or produce extra-pay, so Biological identification rank can set relatively low；The uninstall action of weather application or chat application for terminal, due to its process These applications will be deleted, thus biological identification rank can set it is relatively slightly higher；For any operational motion of payment, due to it Process can enable the private file of user or produce extra-pay, so the requirement of biological identification rank is of a relatively high.
S103：Obtain the corresponding certification threshold value of the biological identification rank.
Wherein, the size of the corresponding certification threshold value of biological identification rank is directly proportional to the height of biological identification rank.
In the embodiment of the present invention, life can be obtained by terminals such as smart mobile phone, net book or other intelligent wearable devices The corresponding certification threshold value of thing certification level.
As a kind of alternatively embodiment, terminal obtains the corresponding certification threshold value of biological identification rank can be by with biology The type of authentication information is foundation, and the corresponding certification threshold value of biological identification rank is searched from the certification threshold map table of storage, Wherein, the certification threshold map table include the type of biometric authentication information, biological identification rank and certification threshold value three it Between mapping relations；The type of the biometric authentication information includes group any one or several in vocal print, face, fingerprint or iris Close.
As another alternatively embodiment, terminal obtains the corresponding certification threshold value of biological identification rank, including：Terminal Obtain the corresponding certification accuracy rate of biological identification rank；Terminal using the type of biometric authentication information as foundation, with biology recognize by acquisition Demonstrate,prove the certification fitting function of the type matching of information；Wherein, which is used to represent that certification accuracy rate is recognized with biology Demonstrate,prove the relation between the corresponding certification threshold value of rank；Input of the terminal using the certification accuracy rate of acquisition as the certification fitting function Amount, calculates the corresponding certification threshold value of the biological identification rank.
As another, alternatively embodiment, terminal obtain the corresponding certification threshold value of biological identification rank, including：Terminal Obtain the corresponding false acceptance rate of biological identification rank；Using the type of biometric authentication information as foundation, obtain false acceptance rate with Inverse ratio curve between certification threshold value；It is bent from the inverse proportion using the corresponding false acceptance rate of biological identification rank as foundation The corresponding certification threshold value of the biological identification rank is determined on line.Here false acceptance rate (False Acceptance Rate, FAR) refer to that disabled user is identified as legal probability.Furthermore it is also possible to determine certification threshold value by false rejection rate, have Body is：The corresponding false rejection rate of biological identification rank is obtained, using the type of biometric authentication information as foundation, mistake is obtained and refuses Direct proportion curve absolutely between rate and certification threshold value, using the corresponding false rejection rate of biological identification rank as foundation, from this just The corresponding certification threshold value of the biological identification rank is determined on proportional curve, here false rejection rate (False Rejection Rate, FRR), the certification threshold directly related with certification threshold value that refer to that validated user is identified as illegal probability, FAR and FRR The selection of value determines that terminal performs the performance of biological identification.
S104：The biometric authentication information that biometric authentication information input by user is registered with the user stored is matched Operation, obtains matching result.
, can be by terminals such as smart mobile phone, net book or other intelligent wearable devices by user in the embodiment of the present invention The biometric authentication information of input and the biometric authentication information of the user's registration of storage carry out matching operation, obtain matching result.
Wherein, the biometric authentication information of the user's registration of terminal storage is also referred to as Template Information storehouse, and it is defeated that terminal obtains user The biometric authentication information process entered is also referred to as the process of feature extraction, and terminal is by biometric authentication information input by user and storage The biometric authentication information of the user's registration carries out matching operation, and the process for obtaining matching result is also referred to as template matches or pattern knowledge Not, specific algorithm for pattern recognition includes template matching method, leads method, neural net method etc. recently.
S105：By the matching result to be authenticated operating compared with certification threshold value.
In the embodiment of the present invention, it be able to will be matched by terminals such as smart mobile phone, net book or other intelligent wearable devices As a result compared with certification threshold value to be authenticated operating.
Wherein, comparative result can be that matching result is more than or less than the one kind being equal in two kinds of situations of certification threshold value.Step S105 by the matching result compared with certification threshold value, if the comparative result for the matching result be more than certification threshold value, Determine that certification passes through.
Correspondingly, if the comparative result is unsatisfactory for condition, i.e., when the matching result is less than or equal to certification threshold value, terminal can User is prompted to send the prompting message of authentification failure.
Further, terminal determines certification by that afterwards, can respond the input by user for application of acquisition Operational motion.
In the embodiment of the present invention, terminal obtains the operational motion input by user for application, and inquiry is for application The biological identification rank of the operational motion of object, then, obtains the corresponding certification threshold value of the biological identification rank；Finally, terminal The biometric authentication information of user's registration of the biometric authentication information input by user of acquisition with storing is matched, is matched As a result, and by the matching result and certification threshold value comparison, when the comparative result meets condition, it is determined that certification passes through.Due to The size of certification threshold value is directly related to complexity of the user by biological identification, therefore the terminal of the embodiment of the present invention can be with Certification threshold value is determined according to the biological identification rank of the operational motion for application in real time, balances terminal operation safety The relation of property and convenience.
Fig. 2 is referred to, Fig. 2 is the flow diagram of another biological authentication method disclosed by the embodiments of the present invention.Such as Fig. 2 Shown, this method comprises the following steps.
S201：Terminal obtains user to the operational order of terminal, and parses that the operational order is corresponding to be directed to application Operational motion.
Wherein, operational order can be one section of voice, such as " phoning so-and-so ", " checking weather forecast "；Or gesture, Such as to the left slip gesture, every empty-handed gesture；Or human face expression, such as eye move；Or the interactive instruction that touch-screen UI is received Deng.
Specifically, terminal can parse acquisition according to the mapping table between preset operational order and operational motion User is to the corresponding operational motion for application of operational order of terminal, as corresponding to different gesture or human face expression The specific operational motion for being directed to application.
As a kind of alternatively embodiment, terminal obtains operational order of the user to terminal, and parses the operational order The corresponding operational motion for application can be by obtaining current state information, such as time, place, temperature or terminal operating Any one or several combination in state (such as the remaining capacity of terminal, available memory space or process for being carrying out etc.), (this is corresponding for the correspondence for identifying between the status information that prestores and the operational motion input by user for application Relation can carry out learning model building acquisition according to historical operation information to operational motion input by user) in whether there is and current shape The operational motion input by user for application of state information matches, if in the presence of, obtained from correspondence with it is current The matched operational motion input by user for application of status information.For example, current state information is Mon-Fri 9 points to 10 points of the morning, terminal is provided with the job placement of this period, and when terminal starts unlocking screen, can be automatic Open the information such as job placement dialog box.
S202：Terminal obtains biometric authentication information input by user.
Terminal obtains biometric authentication information input by user can be by sensor device, such as temperature sensor, camera, wheat Gram wind etc., gathers the biometric authentication informations such as vocal print feature, the facial image of user.
Further, terminal obtains the operational order for reading terminal and terminal obtains biometric authentication information input by user, can To be carried out at the same time, for example, while terminal obtains phonetic order, obtain vocal print feature and believe as biological identification input by user Breath；Terminal can also utilize different acquisition modes successively to obtain operational order and biometric authentication information, the embodiment of the present invention It is not specifically limited to obtaining order and acquisition mode.
S203：Terminal is using the operational motion for application as foundation, from the biological identification level map table of storage Inquire about the corresponding biological identification rank of the operational motion.
For example, biological identification level map table as shown in table 1 below, terminal is with the operational motion for application, such as Make a phone call, browse webpage etc., can inquire what is made a phone call in the biological identification level map table shown in table 1 of the terminal from storage The biological identification rank that operational motion is directed to is height, in being for the corresponding biological identification rank of operational motion for browsing webpage. Specifically, whether all operational motions that biological identification rank can possess according to terminal can enable privacy of user file or generation Extra charge sets multiple grades, then stores the mapping relations between operational motion and corresponding biological identification rank one by one.
Table 1
Operational motion Make a phone call Browse webpage Inquire about weather
Biological identification rank It is high In It is low
S204：Whether terminal judges the biological identification rank higher than referring to certification level, wherein, include with reference to certification level The certification level of pre- setting authentication starting level, history certification level or preceding once certification.
S205：If terminal judges that the biological identification is superior to reference to certification level, the biological identification rank pair is obtained The certification accuracy rate answered.
Correspondingly, if terminal judges that the biological identification rank less than certification level is referred to, can be selected without biology Certification；Or the process of follow-up definite certification threshold value need not be performed, it is directly based upon with reference to the corresponding certification threshold value of certification level Carry out biological identification.
As one kind, alternatively embodiment, terminal are directly obtained after execution of step S203 by step S205 The corresponding certification accuracy rate of the biological identification rank, i.e., need not perform the judgement of step S204.
As another alternatively embodiment, in S204, whether terminal may determine that biological identification rank less than ginseng Certification level is examined, if biological identification rank, less than certification level is referred to, terminal performs in S205 obtains the biological identification The step of rank corresponding certification threshold value.
S206：Terminal obtains the type matching with the biometric authentication information using the type of the biometric authentication information as foundation Certification fitting function；Wherein, certification fitting function is used to represent certification accuracy rate certification threshold corresponding with biological identification rank Relation between value.
S207：Input quantity of the terminal using the certification accuracy rate of acquisition as certification fitting function, calculates biological identification rank Corresponding certification threshold value.
For example, terminal, which obtains the corresponding certification accuracy rate of biological identification rank, can pass through certification accuracy rate and biological identification level Other function R=F (Slevel) determine, wherein, R represents corresponding certification accuracy rate, SlevelRepresent biological identification rank, F is Reflect the function of both sides relation, such as certification accuracy rate functional relation directly proportional to biological identification rank；Terminal is believed with biological identification The type of breath is foundation, obtains the certification fitting function with the type matching of biometric authentication information, wherein, which can be A '=G-1 type(R), certification threshold value corresponding with the biological identification rank is calculated by the certification fitting function, wherein, A ' is The certification threshold value of this certification, G-1 typeFor the certification threshold value and the fitting function of certification accuracy rate curve of corresponding auth type Inverse function, input quantity of the terminal using the certification accuracy rate of acquisition as above-mentioned certification fitting function, you can obtain the biological identification The corresponding certification threshold value of rank.
As one kind, alternatively embodiment, terminal can also be by using the auth type of biometric authentication information as foundation, looking into The corresponding certification threshold map table of biological identification rank is ask to obtain the corresponding certification threshold value of biological identification rank, for example, following Shown in table 2, table 2 is certification threshold map table, and auth type includes vocal print, face and fingerprint etc., and biological identification rank is respectively High, medium and low, certification threshold value is followed successively by from big to small：A+, A, A-, B+, B, B-, C+, C, C-, such as make a phone call, it is foregoing determine Biological identification rank for height, the auth type of biometric authentication information is vocal print, then the corresponding certification threshold of the biological identification rank Be worth for threshold value A+；The biological identification rank that determines of inquiry weather is low, and the auth type of biometric authentication information is vocal print, then the life The corresponding certification threshold value of thing certification level just for threshold value A-.
Table 2
As another alternatively embodiment, terminal can also be received by obtaining the corresponding mistake of biological identification rank Rate；Using the type of biometric authentication information as foundation, the inverse ratio curve between false acceptance rate and certification threshold value is obtained；With biology The corresponding false acceptance rate of certification level is foundation, and the corresponding certification threshold of the biological identification rank is determined from the inverse ratio curve Value.For example, as shown in figure 3, Fig. 3 is the inverse ratio curve signal between the false acceptance rate of voiceprint type and certification threshold value Figure, ordinate represent false acceptance rate, and abscissa represents certification threshold value, which can pass through test in the system development stage Obtain, biological identification rank and false acceptance rate inversely, by determining the corresponding false acceptance rate of biological identification rank, The corresponding certification threshold value of transverse axis can be determined from the curve in Fig. 3.
As another, alternatively embodiment, terminal can also be by obtaining the corresponding False Rejects of biological identification rank Rate；Using the type of biometric authentication information as foundation, the direct proportion curve between false rejection rate and certification threshold value is obtained；With the life The corresponding false rejection rate of thing certification level is foundation, and the corresponding certification threshold of biological identification rank is determined from the direct proportion curve Value.For example, as shown in figure 4, Fig. 4 is the direct proportion curve signal between the false rejection rate of voiceprint type and certification threshold value Figure, ordinate represent false rejection rate, and abscissa represents certification threshold value, which can pass through test in the system development stage Obtain, biological identification rank and false rejection rate are proportional, by determining the corresponding False Rejects of biological identification rank Rate, you can the corresponding certification threshold value of transverse axis is determined from the curve in Fig. 4.
S208：Terminal carries out the biometric authentication information that the user of biometric authentication information input by user and storage registers Matching operation, obtains matching result.
S209：Terminal is by the matching result to be authenticated operating compared with certification threshold value.
In the embodiment of the present invention, terminal obtains user to the operational order of terminal, and parses that operational order is corresponding to be directed to The operational motion of application, obtains biometric authentication information input by user, using the operational motion for application as foundation, The corresponding biological identification rank of the operational motion is inquired about from the biological identification level map table of storage, and in biological identification rank Higher than with reference to certification level when, obtain the corresponding certification accuracy rate of the biological identification rank, using the type of biometric authentication information as Foundation, obtains the certification fitting function with the type matching of the biometric authentication information, further, by the biological identification rank pair Input quantity of the certification accuracy rate answered as certification fitting function, will to calculate the corresponding certification threshold value of the biological identification rank Biometric authentication information input by user and the biometric authentication information of the user's registration of storage carry out matching operation, obtain matching knot Fruit；By the matching result compared with certification threshold value, if the comparative result meets condition, it is determined that certification passes through.Implement this Inventive embodiments can carry out matching comparison to different operational motions by certification fitting function using different certification threshold values Operation, balances the relation between Terminal security and convenience；Further, select to need what is be authenticated terminal intelligent Operational motion, reduces the operating burden of terminal.
Refer to Fig. 5, Fig. 5 is the flow diagram of another biological authentication method disclosed by the embodiments of the present invention, such as Fig. 5 Shown, this method comprises the following steps.
S301：Terminal obtains current state information, wherein, current state information includes time, place, temperature or terminal fortune Any one or several combination in row state.
S302：Terminal obtains matched input by user for application with current state information according to historical operation information The operational motion of object.
Wherein, historical operation information includes the historic state information of storage and the history input by user for application Correspondence between operational motion.
For example, be stored with the operation of current state information corresponding event memorandum in historical operation information, then terminal can with When family solves lock screen, current state information is obtained, then according to historical operation information, is obtained and the matched use of current state information The historical operation action (i.e. event memorandum operates) for application of family input, and using historical operation action as current Operational motion input by user for application.
S303：Terminal receives biometric authentication information input by user.
S304：The biological identification rank of operational motion acquired in terminal inquiry.
Specifically, the biological identification rank of the operational motion acquired in terminal inquiry includes：Terminal is with for application Operational motion be foundation, inquiry operation acts corresponding biological identification rank from the biological identification level map table of storage；
Wherein, biological identification level map table includes pre-set operational motion and biological identification for application Mapping relations between rank.
S305：Biometric authentication information input by user is authenticated operating according to biological identification rank, in order to respond Acquired operational motion.
Specifically, terminal is authenticated grasping according to biological identification rank to biometric authentication information input by user in S305 Make, in order to which the operational motion for responding acquired includes：Terminal notes biometric authentication information input by user and the user of storage The biometric authentication information of volume carries out matching operation, obtains matching result；Terminal is by the matching result compared with certification threshold value To be authenticated operating, it can determine that certification passes through if matching result is more than certification threshold value.
As a kind of alternatively embodiment, terminal performs step S302 and is specially：In terminal recognition historical operation information Acted with the presence or absence of with the matched historical operation input by user for application of current state information, if in the presence of, by Operational motion for application of the historical operation action as active user's input.
In embodiments of the present invention, terminal, according to historical operation information, is obtained and current by obtaining current state information The matched operational motion input by user for application of status information, according to the corresponding biological identification rank of operational motion The biometric authentication information input by user of reception is authenticated operating, acquisition operational motion progress biology that can be intelligent is recognized Card, improves the convenience of terminal operation.
Fig. 6 is referred to, Fig. 6 is a kind of structure diagram of terminal disclosed by the embodiments of the present invention.As shown in figure 5, the end End includes：
First acquisition unit 10, for obtaining the operational motion input by user for application.
Second acquisition unit 20, for obtaining biometric authentication information input by user.
In the embodiment of the present invention, second acquisition unit 20 obtains biometric authentication information input by user and can be set by sensor Standby, such as temperature sensor, camera, microphone, gather the biometric authentication informations such as vocal print feature, the facial image of user.
As one kind, alternatively embodiment, first acquisition unit 10 obtain the operation input by user for application Action can be by obtaining operational order of the user to terminal, and parses the corresponding operation for application of the operational order and move Make.
As another kind, alternatively embodiment, first acquisition unit 10 obtain the behaviour input by user for application Work action includes：First, first acquisition unit 10 obtain current state information, wherein, the status information include the time, place, Any one or several combination in temperature or terminal running state, then, first acquisition unit 10 identify the state prestored It whether there is in correspondence between information and the operational motion input by user for application and current state information The matched operational motion input by user for application, if in the presence of acquisition and current state from the correspondence The operational motion input by user for application of information matches.For example, can be when user solves lock screen, if the correspondence The corresponding calendar prompting of current state information or event memorandum etc. are stored with relation, then can obtain pin input by user automatically To the operational motion of these applications (such as calendar prompting or event memorandum).
In addition, after first acquisition unit 10 obtains the operational motion input by user for application, second obtains Unit 20 obtains biometric authentication information input by user；Alternatively, first acquisition unit 10 obtains input by user for application The operational motion of object can obtain biometric authentication information input by user with second acquisition unit 20 and be carried out at the same time, for example, working as When user is directed to the operational motion of browser by phonetic entry, second acquisition unit 20 can obtain the voiceprint of the voice As biometric authentication information input by user；Alternatively, first acquisition unit 10 obtains user by gesture input for certain APP's Operational motion, second acquisition unit 20 obtain face information input by user as biometric authentication information.
Query unit 30, recognizes for inquiring about the biology of the operational motion for application of the acquisition of first acquisition unit 10 Demonstrate,prove rank.
Specifically, query unit 30 inquiry for application operational motion biological identification rank can with for should It is foundation with the operational motion of object, inquires about the corresponding biology of the operational motion from the biological identification level map table of storage and recognize Rank is demonstrate,proved, wherein, biological identification level map table includes pre-set operational motion and biological identification for application Mapping relations between rank, i.e., the different operational motions for application, corresponding biological identification rank is also different, example Such as, for the query actions of weather application, since its process will not enable the private file of user or produce extra-pay, institute It can be set with biological identification rank relatively low；For weather application or the uninstall action of chat application, since its process will delete Except these application, so biological identification rank can set it is relatively slightly higher；For any operational motion of payment, due to its process The private file of user can be enabled or produce extra-pay, so the requirement of biological identification rank is of a relatively high.
For example, biological identification level map table as shown in table 1 below, query unit 30 are moved with the operation for application Make, such as make a phone call, browse webpage, can inquire and make a phone call in the biological identification level map table shown in the table 1 from storage The biological identification rank that is directed to of operational motion be height, be for the corresponding biological identification rank of operational motion for browsing webpage In.Specifically, all operational motions that biological identification rank can possess according to terminal whether can enable privacy of user file or Produce surcharge to be used for setting multiple grades, then store the mapping between operational motion and corresponding biological identification rank one by one Relation.
Table 1
Operational motion Make a phone call Browse webpage Inquire about weather
Biological identification rank It is high In It is low
First judging unit 40, for judging the biological identification rank that query unit inquired about whether higher than referring to certification Rank.
Wherein, recognizing for pre- setting authentication starting level, history certification level or preceding once certification is included with reference to certification level Demonstrate,prove rank.
As a kind of alternatively embodiment, the terminal includes the second judging unit, for judging the biological identification Whether rank is less than certification level is referred to, and when the judging result of second judging unit is is, triggering the described 3rd obtains Unit performs the step of obtaining the biological identification rank corresponding certification threshold value, wherein, it is described include with reference to certification level it is pre- The certification level of setting authentication starting level, history certification level or preceding once certification.Wherein, the terminal includes the first judgement 40 or second judging unit of unit, that is, only include one of both.
3rd acquiring unit 50, reference is superior to for the judging result in the first judging unit 40 for the biological identification During certification level, the corresponding certification threshold value of the biological identification rank is obtained, wherein, the corresponding certification threshold value of biological identification rank Size is directly proportional to the height of biological identification rank.
Correspondingly, if the first judging unit 40 judges biological identification rank less than or equal to certification level is referred to, no Biological identification must be carried out, for example, mobile phone, which gets user's input, checks that the operational motion of time (clicks on any button on mobile phone Or unlocking screen key) when, mobile phone can light mobile phone screen directly in response to the operational motion input by user for checking the time.
As another alternatively embodiment, the 3rd acquiring unit 50, for the judging result in the second judging unit During for the biological identification rank less than certification level is referred to, the corresponding certification threshold value of the biological identification rank is obtained, wherein, biology The size of the corresponding certification threshold value of certification level is directly proportional to the height of biological identification rank.
Alternatively, which can not also include the first judging unit 40 or the second judging unit, that is, work as query unit 30 inquire first acquisition unit 10 acquisition the operational motion for application biological identification rank after, you can trigger 3rd acquiring unit 50 obtains the operation of the corresponding certification threshold value of the biological identification rank.
As a kind of alternatively embodiment, the 3rd acquiring unit 50 obtains the corresponding certification threshold value of biological identification rank can Corresponded to by using the type of biometric authentication information as foundation, searching the biological identification rank from the certification threshold map table of storage Certification threshold value, wherein, certification threshold map table includes the type of biometric authentication information, biological identification rank and certification threshold The mapping relations being worth between three；The type of biometric authentication information includes any one or several in vocal print, face, fingerprint or iris Combination.
For example, shown in table 2 below, table 2 is certification threshold map table, and auth type includes vocal print, face and fingerprint etc., raw Thing certification level is respectively high, medium and low, and certification threshold value is followed successively by from big to small：A+, A, A-, B+, B, B-, C+, C, C-, such as The foregoing biological identification rank for determining to make a phone call is height, and the auth type of biometric authentication information is vocal print, then the 3rd acquiring unit Obtained in certification threshold map table shown in 50 from table 2 the corresponding certification threshold value of the biological identification rank for threshold value A+；Inquire about day For the biological identification rank that gas determines to be low, the auth type of biometric authentication information is vocal print, then the 3rd acquiring unit 50 is from the institute of table 2 Obtained in the certification threshold map table shown the corresponding certification threshold value of the biological identification rank just for threshold value A-.
Table 2
As another alternatively embodiment, the 3rd acquiring unit 50 obtains the corresponding certification threshold of biological identification rank Value, detailed process are：3rd acquiring unit 50 obtains the corresponding certification accuracy rate of biological identification rank；With biometric authentication information Type is foundation, obtains the certification fitting function with the type matching of biometric authentication information；Wherein, certification fitting function is used for table Show the relation between certification accuracy rate certification threshold value corresponding with biological identification rank；3rd acquiring unit 50 is by the certification of acquisition Input quantity of the accuracy rate as certification fitting function, calculates the corresponding certification threshold value of biological identification rank.
As another, alternatively embodiment, the 3rd acquiring unit 50 obtain the corresponding certification threshold of biological identification rank Value, detailed process are：3rd acquiring unit 50 obtains false acceptance rate and certification threshold using the type of biometric authentication information as foundation Inverse ratio curve between value；Obtain the corresponding false acceptance rate of biological identification rank；With the corresponding mistake of biological identification rank Receptance is foundation, and the corresponding certification threshold value of biological identification rank is determined from above-mentioned inverse ratio curve.Here false acceptance rate (False Acceptance Rate, FAR) refers to that disabled user is identified as legal probability.In addition, the 3rd acquiring unit 50 Certification threshold value can also be determined by false rejection rate, be specially：3rd acquiring unit 50 is with the type of biometric authentication information For foundation, the direct proportion curve between false rejection rate and certification threshold value is obtained, the corresponding mistake of biological identification rank is obtained and refuses Exhausted rate, using the corresponding false rejection rate of biological identification rank as foundation, determines that biological identification rank corresponds to from direct proportion curve Certification threshold value, here false rejection rate (False Rejection Rate, FRR) it is illegal to refer to that validated user is identified as Probability, FAR and FRR are directly related with certification threshold value, and the selection of certification threshold value determines the performance of terminal biological identification.
Matching unit 60, the biometric authentication information input by user for first acquisition unit 10 to be obtained are somebody's turn to do with what is stored The biometric authentication information of user's registration carries out matching operation, obtains matching result；
Wherein, the biometric authentication information of the user's registration of storage is also referred to as Template Information storehouse, obtains life input by user The process of thing authentication information is also referred to as the process of feature extraction, and matching unit 60 is by biometric authentication information input by user with storing The biometric authentication information of the user's registration carry out matching operation, the process for obtaining matching result is also referred to as template matches or pattern Identification, specific algorithm for pattern recognition include template matching method, lead method, neural net method etc. recently.
Comparing unit 70, for the certification threshold value of the matching result of matching unit 60 and the acquisition of the 3rd acquiring unit to be carried out It is compared to authentication operation.
Wherein, condition can refer to matching result and be more than certification threshold value, or matching result is less than or equal to two kinds of certification threshold value Situation.
Correspondingly, if condition refers to matching result and is more than certification threshold value, the comparative result of comparing unit 70 is unsatisfactory for condition i.e. When the matching result of matching unit 60 is less than or equal to certification threshold value, terminal can send the prompting message of authentification failure to prompt to use Family.
If condition refers to matching result when being more than certification threshold value, the comparative result of comparing unit 70 meets that condition even matches list The matching result of member 60 is more than certification threshold value, then comparing unit 70 determines certification by the way that afterwards, terminal can respond user's input The operational motion for application.
Terminal is matched accordingly by obtaining different certification threshold values to the operational motion of different biological identification ranks Compare operation, certification threshold value can be determined according to the biological identification rank of the operational motion for application in real time, balanced The processing safety of terminal and the relation of convenience.In addition, terminal may determine that operational motion biological identification rank whether More than with reference to certification level, if more than, then the certification threshold value of operational motion is obtained, further, perform matching and compare operation, from And alleviate the processing load of terminal.
Fig. 7 is referred to, Fig. 7 is the structure diagram of another terminal disclosed by the embodiments of the present invention.Wherein, shown in Fig. 7 Terminal be that terminal as shown in Figure 6 optimizes.In the terminal shown in Fig. 7, first acquisition unit 10, including：
5th obtains subelement 101, for obtaining current state information, wherein, status information includes time, place, temperature Any one or several combination in degree or terminal running state；Wherein, it is empty to include remaining capacity, free memory for terminal running state Between or the process that is carrying out etc..
Subelement 102 is identified, for identifying the status information prestored and the behaviour input by user for application It whether there is and the matched behaviour input by user for application of current state information in correspondence between acting Act.Wherein, which can carry out learning model building acquisition according to historical operation information to operational motion input by user.
For example, current state information is 9 points to 10 points of the morning of Mon-Fri, terminal is provided with this period Job placement, and when terminal starts unlocking screen, terminal can automatically turn on the information such as job placement dialog box.
6th obtains subelement 103, for identifying in correspondence exist and current state information in identification subelement During matched operational motion input by user for application, then obtain from correspondence and matched with current state information The operational motion input by user for application.
Second acquisition unit 20, for obtaining biometric authentication information input by user.
Query unit 30 is specifically used for the operational motion for application using the acquisition of first acquisition unit 10 as foundation, The corresponding biological identification rank of the operational motion is inquired about from the biological identification level map table of storage；
Wherein, biological identification level map table includes pre-set operational motion and biological identification for application Mapping relations between rank.
First judging unit 40, for judging biological identification rank that query unit 30 inquired about whether higher than referring to certification Rank.
As a kind of alternatively embodiment, the 3rd acquiring unit 50 is specifically used for the judgement knot in the first judging unit 40 Fruit is biological certification level higher than when refer to certification level, using the type of the biometric authentication information of the acquisition of second acquisition unit 20 as Foundation, searches the corresponding certification threshold value of biological identification rank from the certification threshold map table of storage；
Wherein, certification threshold map table includes the type of biometric authentication information, biological identification rank and certification threshold value Mapping relations between three；The type of biometric authentication information includes any one or several in vocal print, face, fingerprint or iris Combination.
Alternatively, which can not also include the first judging unit 40, i.e., when query unit 30 inquires the first acquisition After the biological identification rank for the operational motion for application that unit 10 obtains, you can the 3rd acquiring unit 50 of triggering is straight Obtain the operation for taking the corresponding certification threshold value of the biological identification rank.
As another alternatively embodiment, the 3rd acquiring unit 50, including：
First obtains subelement 501, for being that biological certification level is higher than ginseng in the judging result of the first judging unit 40 When examining certification level, the corresponding certification accuracy rate of the biological identification rank is obtained；
Second obtains subelement 502, for using the type of biometric authentication information as foundation, obtaining and biometric authentication information The certification fitting function of type matching；Wherein, certification fitting function is used to represent that certification accuracy rate is corresponding with biological identification rank Certification threshold value between relation；
Computation subunit 503, the certification accuracy rate for obtaining subelement acquisition using first obtain subelement as second The input quantity of the certification fitting function of acquisition, calculates the corresponding certification threshold value of biological identification rank.
For example, the first acquisition subelement 501 is that biological certification level is higher than ginseng in the judging result of the first judging unit 40 When examining certification level, obtaining the corresponding certification accuracy rate of biological identification rank can be by certification accuracy rate and biological identification rank Function R=F (Slevel) determine certification accuracy rate, wherein, R represents corresponding certification accuracy rate, SlevelRepresent biological identification level Not, F is the function for representing both sides relation, such as certification accuracy rate functional relation directly proportional to biological identification rank；Second obtains son Unit 502 obtains the certification fitting function with the type matching of biometric authentication information using the type of biometric authentication information as foundation, Wherein, which can be A '=G-1 type(R), calculated by the certification fitting function corresponding with the biological identification rank Certification threshold value, wherein, A ' be this certification certification threshold value, G-1 typeIt is accurate for the certification threshold value and certification of corresponding auth type The inverse function of the fitting function of true rate curve, computation subunit 503 make the certification accuracy rate that the first acquisition subelement 501 obtains For the input quantity of above-mentioned certification fitting function, you can obtain the corresponding certification threshold value of the biological identification rank.
Matching unit 60, for the biometric authentication information input by user and the use of storage for obtaining first acquisition unit 20 The biometric authentication information of family registration carries out matching operation, obtains matching result；
Comparing unit 70, for by the certification threshold value that the matching result of matching unit 60 and the 3rd acquiring unit 50 obtain into Row compares, if the matching result is more than certification threshold value, it is determined that certification passes through.
In the embodiment of the present invention, the first acquisition unit of terminal can obtain current status information, by prestoring Status information and the operational motion input by user for application between correspondence inquiry current state information pair The operational motion for application answered, second acquisition unit obtain biometric authentication information input by user, query unit with Operational motion for application is foundation, and it is corresponding to inquire about the operational motion from the biological identification level map table of storage Biological identification rank；3rd acquiring unit obtains the biological identification rank when biological identification is superior to reference to certification level Corresponding certification accuracy rate, and using the type of biometric authentication information as foundation, obtain the type matching with the biometric authentication information Certification fitting function, further, using the corresponding certification accuracy rate of the biological identification rank as the defeated of certification fitting function Enter amount, to calculate the corresponding certification threshold value of the biological identification rank；Matching unit is by biometric authentication information input by user with depositing The biometric authentication information of the user's registration of storage carries out matching operation, obtains matching result；Comparing unit by the matching result with Certification threshold value is compared, if the matching result is more than certification threshold value, it is determined that certification passes through.The terminal of the embodiment of the present invention can The operational motion for needing to be authenticated with the selection of intelligence, reduces the operating burden of terminal, further, is fitted by certification The different operational motion of function pair carries out matching using different certification threshold values and compares operation, balances Terminal security and convenient Relation between property.
Fig. 8 is referred to, Fig. 8 is the structure diagram of another terminal disclosed by the embodiments of the present invention.Wherein, shown in Fig. 8 Terminal be that terminal as shown in Figure 6 optimizes.In the terminal shown in Fig. 8, first acquisition unit 10, for obtaining Operational order of the family to terminal is taken, and parses the corresponding operational motion for application of operational order.Wherein, operation refers to Order can be one section of voice, such as " phoning so-and-so ", " checking weather forecast "；Or gesture, such as to the left slip gesture, every sky Gesture etc.；Or human face expression, such as eye move；Or interactive instructions for receiving of touch-screen UI etc..
Specifically, terminal can parse acquisition according to the mapping table between preset operational order and operational motion User is to the corresponding operational motion for application of operational order of terminal, as corresponding to different gesture or human face expression The operational motion for application.
Second acquisition unit 20, for obtaining biometric authentication information input by user.
Query unit 30, recognizes for inquiring about the biology of the operational motion for application of the acquisition of first acquisition unit 10 Demonstrate,prove rank.
First judging unit 40, for judging the biological identification rank that query unit inquired about whether higher than referring to certification Rank.
3rd acquiring unit 50, can also include：
3rd obtains subelement 504, for being that biological certification level is higher than ginseng in the judging result of the first judging unit 40 When examining certification level, the corresponding false acceptance rate of biological identification rank is obtained；
4th obtains subelement 505, for using the type of biometric authentication information as foundation, obtaining false acceptance rate and certification Inverse ratio curve between threshold value；
Determination subelement 506, the corresponding mistake of biological identification rank for obtaining the acquisition of subelement 504 with the 3rd receive Rate is foundation, and the corresponding certification threshold value of biological identification rank is determined on the inverse ratio curve for obtaining the acquisition of subelement 505 from the 4th.
For example, as shown in figure 3, Fig. 3 is the inverse proportion song between the false acceptance rate of voiceprint type and certification threshold value Line schematic diagram, ordinate represent false acceptance rate, and abscissa represents certification threshold value, which can lead in the system development stage Cross test to obtain, with false acceptance rate inversely, the 4th acquisition subelement 505 is by determining that biology is recognized for biological identification rank The corresponding false acceptance rate of rank is demonstrate,proved, determination subelement 506 can determine the corresponding certification threshold of transverse axis from the curve in Fig. 3 Value.
Alternatively, which does not include the first judging unit 40, i.e., when query unit 30 inquires first acquisition unit 10 After the biological identification rank of the operational motion for application obtained, just trigger the 3rd acquiring unit 50 and obtain the biology The operation of the corresponding certification threshold value of certification level.
As a kind of alternatively embodiment, the 3rd acquisition subelement can also be in the judgement knot of the first judging unit in terminal Fruit is biological certification level higher than when referring to certification level, by obtaining the corresponding false rejection rate of biological identification rank；4th Subelement is obtained using the type of biometric authentication information as foundation, the direct proportion obtained between false rejection rate and certification threshold value is bent Line；Determination subelement determines biology using the corresponding false rejection rate of biological identification rank as foundation from the direct proportion curve The corresponding certification threshold value of certification level.For example, as shown in figure 4, direct proportions of the Fig. 4 between false rejection rate and certification threshold value is bent Line schematic diagram, ordinate represent false rejection rate, and abscissa represents certification threshold value, which can lead in the system development stage Cross test to obtain, biological identification rank and false rejection rate are proportional, and the 3rd acquisition subelement is recognized by obtaining the biology The corresponding false rejection rate of rank is demonstrate,proved, determination subelement can determine the corresponding certification threshold value of transverse axis from the curve in Fig. 4.
Matching unit 60, the biometric authentication information input by user for first acquisition unit 20 to be obtained are somebody's turn to do with what is stored The biometric authentication information of user's registration carries out matching operation, obtains matching result.
Comparing unit 70, for by the certification threshold value that the matching result of matching unit 60 and the 3rd acquiring unit 50 obtain into Row compares, if the matching result is more than certification threshold value, it is determined that certification passes through.
In the embodiment of the present invention, the first acquisition unit of terminal can obtain operational order of the user to terminal, and parse The corresponding operational motion for application of operational order, second acquisition unit obtain biometric authentication information input by user, Query unit inquires about the operation using the operational motion for application as foundation from the biological identification level map table of storage Act corresponding biological identification rank；3rd acquiring unit is that biological certification level is higher than in the judging result of the first judging unit During with reference to certification level, the corresponding false acceptance rate of biological identification rank is obtained, then using the type of biometric authentication information as foundation, Obtain the inverse ratio curve between false acceptance rate and certification threshold value；Then using the corresponding false acceptance rate of biological identification rank as Foundation, determines the corresponding certification threshold value of biological identification rank from the inverse ratio curve of acquisition；Matching unit will be input by user Biometric authentication information and the biometric authentication information of the user's registration of storage carry out matching operation, obtain matching result；Compare list Member by the matching result compared with certification threshold value, if the comparative result meets condition, it is determined that certification passes through.It is of the invention real Matching comparison can be carried out to different operational motions by certification fitting function using different certification threshold values by applying the terminal of example Operation, balances the relation between Terminal security and convenience, further, terminal intelligently can select needs to be recognized The operational motion of card, alleviates the operating burden of terminal.
Fig. 9 is referred to, Fig. 9 is the structure diagram of another terminal disclosed by the embodiments of the present invention, as shown in figure 9, should Terminal is included with lower unit.
First acquisition unit 01, for obtaining current state information, wherein, the current state information include the time, Any one or several combination in point, temperature or terminal running state.
Second acquisition unit 02, for according to historical operation information, obtaining and working as with what the first acquisition unit 01 obtained The preceding matched operational motion input by user for application of status information, wherein, the historical operation information includes depositing Correspondence between the historic state information of storage and the historical operation action input by user for application.
Receiving unit 03, for receiving biometric authentication information input by user.
Query unit 04, the biological identification rank of the operational motion obtained for inquiring about the second acquisition unit 02.
Specifically, query unit 04 is inquired about the biological identification rank of acquired operational motion and is included：Query unit 04 with Operational motion for application is foundation, and inquiry operation acts corresponding life from the biological identification level map table of storage Thing certification level；
Wherein, biological identification level map table includes pre-set operational motion and biological identification for application Mapping relations between rank.
Authentication unit 05, for the biological identification rank inquired about according to the query unit 04 to the life input by user Thing authentication information is authenticated operating, in order to respond the operational motion that the second acquisition unit 02 obtains.
Wherein, authentication unit 05 is authenticated operating according to biological identification rank to biometric authentication information input by user, It is specially in order to respond the operational motion of the acquisition of second acquisition unit 02：Authentication unit 05 recognizes biology input by user The biometric authentication information for demonstrate,proving information and the user's registration of storage carries out matching operation, obtains matching result；Authentication unit 05 should Matching result, to be authenticated operating, can determine that certification is led to compared with certification threshold value if matching result is more than certification threshold value Cross.
Specifically, second acquisition unit 02 is specifically used for whether there is and the current state in identification historical operation information The historical operation input by user for application of information matches acts, if in the presence of by historical operation action work For the operational motion for application of active user's input.
In embodiments of the present invention, terminal obtains current state information, according to historical operation information, acquisition and current state The operational motion input by user for application of information matches, is docked according to the corresponding biological identification rank of operational motion Receive biometric authentication information input by user be authenticated operating, compared with prior art, can intelligence acquisition operational motion Biological identification is carried out, improves the convenience of terminal operation.
Figure 10 is referred to, Figure 10 is a kind of structure diagram of biological authentification system disclosed by the embodiments of the present invention, is such as schemed Shown in 10, which includes terminal and certificate server, and terminal is communicated by network with certificate server.
When terminal include the first acquisition unit of terminal in foregoing invention embodiment, second acquisition unit, query unit and During three acquiring units, terminal can also generate biological identification rank and certification threshold including the operational motion for application The certification request of value, and certification request is sent to certificate server.
When certificate server includes the matching unit and comparing unit of terminal in foregoing invention embodiment, certificate server The certification for receiving the biological identification rank including the operational motion for application, biometric authentication information and certification threshold value please When asking, the authentication operation to biometric authentication information is continued to complete by matching unit and comparing unit, and by the result of comparing unit It is sent to terminal.
Alternatively, terminal includes first acquisition unit, second acquisition unit and the query unit of terminal, certificate server bag When including the 3rd acquiring unit, matching unit and comparing unit, biometric authentication information and look into that terminal obtains second acquisition unit The biological identification rank generation certification request of unit inquiry is ask, and certification request is sent to certificate server, by authentication service Device performs follow-up judgement, match and the operation such as compares, and the result of processing is returned to terminal.
Alternatively, terminal includes the first acquisition unit of terminal, second acquisition unit, and certificate server includes cargo tracer When member, the 3rd acquiring unit, matching unit and comparing unit, the behaviour for application that terminal obtains first acquisition unit The biometric authentication information generation certification request that work acts and second acquisition unit obtains, and certification request is sent to authentication service Device, performs follow-up judgement according to the certification request by certificate server, matches and the operation such as compares, and by the result of processing Return to terminal.
Each unit is separately dispensed into terminal of the embodiment of the present invention and certificate server performs, and can reduce biological identification mistake Requirement of the journey to terminal configuration performance.
Figure 11 is referred to, Figure 11 is a kind of structure diagram of terminal disclosed by the embodiments of the present invention, and terminal includes：Processing Device 001 and memory 002, wherein, processor 001 and memory 002 are communicated to connect by communication bus 003；Wherein, memory 002 is used to store biological identification program and other programs, such as operating system program；Processor 001 is used to call memory 002 The biological identification program of middle storage, and perform following operation：
Obtain the operational motion input by user for application and biometric authentication information input by user；
Biological identification rank of the inquiry for the operational motion of application；
Whether the biological identification rank is judged higher than certification level is referred to, if the biological identification is superior to reference to certification level Not, the corresponding certification threshold value of the biological identification rank is obtained, wherein, the size of the corresponding certification threshold value of biological identification rank and life The height of thing certification level is directly proportional；
The biometric authentication information that the user of biometric authentication information input by user and storage registers is subjected to matching operation, Obtain matching result；
By the matching result compared with certification threshold value, if the matching result is more than certification threshold value, it is determined that certification is led to Cross.
Alternatively, processor 001 can also inquire about for application operational motion biological identification rank after, The corresponding certification threshold value of the biological identification rank is directly acquired, is recognized without judging whether the biological identification rank is higher than reference Rank is demonstrate,proved, if the biological identification is superior to reference to certification level, then obtains the corresponding certification threshold value of the biological identification rank.
As a kind of alternatively embodiment, biological identification of the inquiry of processor 001 for the operational motion of application Level is specifically as follows otherwise：
Using the operational motion for application as foundation, the operation is inquired about from the biological identification level map table of storage Act corresponding biological identification rank；
Wherein, biological identification level map table includes pre-set operational motion and biological identification for application Mapping relations between rank.
As a kind of alternatively embodiment, processor 001 obtains the side of the corresponding certification threshold value of the biological identification rank Formula is specifically as follows：
Using the type of biometric authentication information as foundation, the biological identification rank is searched from the certification threshold map table of storage Corresponding certification threshold value；
Wherein, certification threshold map table includes the type of biometric authentication information, biological identification rank and certification threshold value Mapping relations between three；The type of biometric authentication information includes any one or several in vocal print, face, fingerprint or iris Combination.
As a kind of alternatively embodiment, processor 001 obtains the mode of the corresponding certification threshold value of biological identification rank It is specifically as follows：
Obtain the corresponding certification accuracy rate of the biological identification rank；
Using the type of biometric authentication information as foundation, obtain and the certification of the type matching of biometric authentication information fitting letter Number；Wherein, certification fitting function is used to represent the relation between certification accuracy rate certification threshold value corresponding with biological identification rank；
Input quantity using the certification accuracy rate of acquisition as certification fitting function, calculates this biological identification rank is corresponding and recognize Demonstrate,prove threshold value.
As a kind of alternatively embodiment, processor 001 obtains the side of the corresponding certification threshold value of the biological identification rank Formula is specifically as follows：
Obtain the corresponding false acceptance rate of biological identification rank；
Using the type of biometric authentication information as foundation, the inverse ratio curve between false acceptance rate and certification threshold value is obtained；
Using the corresponding false acceptance rate of biological identification rank as foundation, the biological identification level is determined from inverse ratio curve Not corresponding certification threshold value.
As one kind, alternatively embodiment, processor 001 obtain the operational motion input by user for application Mode be specifically as follows：
Current state information is obtained, wherein, current state information is included in time, place, temperature or terminal running state Any one or several combinations；
Identify the corresponding pass between the status information prestored and the operational motion input by user for application In system whether there is with the matched operational motion input by user for application of current state information, if in the presence of, from Obtained and the matched operational motion input by user for application of current state information in correspondence.
As one kind, alternatively embodiment, processor 001 obtain the operational motion input by user for application Mode be specifically as follows：
Operational order of the user to terminal is obtained, and parses the corresponding operation for application of the operational order and moves Make.
Further, which further includes：Anneta module 004, sensor assembly 005, power supply module 006, display screen 007, wherein, Anneta module 004 is used to send certification request to other servers or receive the response that other servers return to disappear Breath, specifically, Anneta module 004 includes transmitter unit and receiving unit；Sensor assembly 005 utilizes nature for perceiving user To the operational order of terminal, such as voice, gesture or human face expression, are additionally operable to gather biological identification letter input by user language Breath, such as voiceprint information, finger print identifying information；Power supply module 006 is used for each assembly power supply for terminal；Display screen 007 Operational order etc. is converted to for the handling result of video-stream processor 001 or by the touch operation of user.
For the terminal of the embodiment of the present invention by obtaining the operational motion input by user for application, inquiry is directed to should With the biological identification rank of the operational motion of object, then, the corresponding certification threshold value of the biological identification rank is obtained；Finally, will The biometric authentication information of user's registration of the biometric authentication information input by user received with storing is matched, and obtains matching knot Fruit, and by the matching result and certification threshold value comparison, when the comparative result meets condition, it is determined that certification passes through.Pass through reality Difference can be determined according to the different biological identification ranks of the operational motion for application in real time by applying the embodiment of the present invention Certification threshold value, balance the relation of terminal operation security and convenience.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly Enclose, therefore equivalent variations made according to the claims of the present invention, it is still within the scope of the present invention.

Claims (24)

  1. A kind of 1. biological authentication method, it is characterised in that including：
    Obtain the operational motion input by user for application and biometric authentication information input by user；
    The biological identification rank of the inquiry operational motion for application；
    Obtain the corresponding certification threshold value of the biological identification rank；
    The biometric authentication information input by user and the biometric authentication information of the user's registration are subjected to matching operation, obtained Matching result；
    By the matching result to be authenticated operating compared with the certification threshold value；
    Wherein, the corresponding certification threshold value of the acquisition biological identification rank, including：
    Obtain the corresponding certification accuracy rate of the biological identification rank；
    Using the type of the biometric authentication information as foundation, obtain and be fitted with the certification of the type matching of the biometric authentication information Function；Wherein, the certification fitting function is used to represent certification accuracy rate certification corresponding with the biological identification rank Relation between threshold value；
    Input quantity using the certification accuracy rate of the acquisition as the certification fitting function, calculates the biological identification rank pair The certification threshold value answered.
  2. 2. the method as described in claim 1, it is characterised in that further include：
    Judge whether the biological identification rank is higher than and refer to certification level, wherein, it is described to recognize with reference to certification level including default Demonstrate,prove starting level, history certification level or the certification level of preceding once certification；
    If the biological identification be superior to it is described refer to certification level, perform and described obtain the biological identification rank and correspond to Certification threshold value the step of.
  3. 3. the method as described in claim 1, it is characterised in that further include：
    Judge whether the biological identification rank is less than and refer to certification level, wherein, it is described to recognize with reference to certification level including default Demonstrate,prove starting level, history certification level or the certification level of preceding once certification；
    If the biological identification rank refers to certification level less than described, perform the acquisition biological identification rank and correspond to Certification threshold value the step of.
  4. 4. the method as described in claim 1, it is characterised in that the life of the operational motion of application is directed to described in the inquiry Thing certification level, including：
    Using the operational motion for application as foundation, the behaviour is inquired about from the biological identification level map table of storage Work acts corresponding biological identification rank；
    Wherein, the biological identification level map table includes pre-set operational motion and biological identification for application Mapping relations between rank.
  5. 5. such as Claims 1-4 any one of them method, it is characterised in that described to obtain the biological identification rank correspondence Certification threshold value, including：
    Using the type of the biometric authentication information as foundation, the biological identification level is searched from the certification threshold map table of storage Not corresponding certification threshold value；
    Wherein, the certification threshold map table include the type of the biometric authentication information, the biological identification rank and Mapping relations between certification threshold value three；The type of the biometric authentication information includes appointing in vocal print, face, fingerprint or iris One or more of combinations.
  6. 6. such as Claims 1-4 any one of them method, it is characterised in that the acquisition is input by user to be directed to application pair The operational motion of elephant, including：
    Operational order of the user to terminal is obtained, and parses the corresponding operational motion for application of the operational order.
  7. A kind of 7. biological authentication method, it is characterised in that including：
    Obtain the operational motion input by user for application and biometric authentication information input by user；
    The biological identification rank of the inquiry operational motion for application；
    Obtain the corresponding certification threshold value of the biological identification rank；
    The biometric authentication information input by user and the biometric authentication information of the user's registration are subjected to matching operation, obtained Matching result；
    By the matching result to be authenticated operating compared with the certification threshold value；
    It is described to obtain the corresponding certification threshold value of the biological identification rank, including：
    Obtain the corresponding false acceptance rate of the biological identification rank；
    Using the type of the biometric authentication information as foundation, the inverse ratio curve between false acceptance rate and certification threshold value is obtained；
    Using the corresponding false acceptance rate of the biological identification rank as foundation, the life is determined from the inverse ratio curve The corresponding certification threshold value of thing certification level.
  8. 8. the method for claim 7, it is characterised in that further include：
    Judge whether the biological identification rank is higher than and refer to certification level, wherein, it is described to recognize with reference to certification level including default Demonstrate,prove starting level, history certification level or the certification level of preceding once certification；
    If the biological identification be superior to it is described refer to certification level, perform and described obtain the biological identification rank and correspond to Certification threshold value the step of.
  9. 9. the method for claim 7, it is characterised in that further include：
    Judge whether the biological identification rank is less than and refer to certification level, wherein, it is described to recognize with reference to certification level including default Demonstrate,prove starting level, history certification level or the certification level of preceding once certification；
    If the biological identification rank refers to certification level less than described, perform the acquisition biological identification rank and correspond to Certification threshold value the step of.
  10. 10. the method for claim 7, it is characterised in that the operational motion of application is directed to described in the inquiry Biological identification rank, including：
    Using the operational motion for application as foundation, the behaviour is inquired about from the biological identification level map table of storage Work acts corresponding biological identification rank；
    Wherein, the biological identification level map table includes pre-set operational motion and biological identification for application Mapping relations between rank.
  11. 11. such as claim 7 to 10 any one of them method, it is characterised in that described to obtain the biological identification rank pair The certification threshold value answered, including：
    Using the type of the biometric authentication information as foundation, the biological identification level is searched from the certification threshold map table of storage Not corresponding certification threshold value；
    Wherein, the certification threshold map table include the type of the biometric authentication information, the biological identification rank and Mapping relations between certification threshold value three；The type of the biometric authentication information includes appointing in vocal print, face, fingerprint or iris One or more of combinations.
  12. 12. such as claim 7 to 10 any one of them method, it is characterised in that the acquisition is input by user for application The operational motion of object, including：
    Operational order of the user to terminal is obtained, and parses the corresponding operational motion for application of the operational order.
  13. A kind of 13. terminal, it is characterised in that including：
    First acquisition unit, for obtaining the operational motion input by user for application；
    Second acquisition unit, for obtaining biometric authentication information input by user；
    Query unit, the biological identification level of the operational motion for application obtained for inquiring about the first acquisition unit Not；
    3rd acquiring unit, for obtaining the corresponding certification threshold value of the biological identification rank；
    Matching unit, for biometric authentication information input by user and the user's registration for obtaining the first acquisition unit Biometric authentication information carry out matching operation, obtain matching result；
    Authentication unit, the certification threshold value for the matching result of the matching unit and the 3rd acquiring unit to be obtained carry out It is compared to authentication operation；
    3rd acquiring unit, including：
    First obtains subelement, for obtaining the corresponding certification accuracy rate of the biological identification rank；
    Second obtains subelement, for using the type of the biometric authentication information as foundation, obtaining and the biometric authentication information Type matching certification fitting function；Wherein, the certification fitting function is used to represent the certification accuracy rate and the life Relation between the corresponding certification threshold value of thing certification level；
    Computation subunit, the certification accuracy rate for obtaining subelement acquisition using described first obtain subelement as described second The input quantity of the certification fitting function of acquisition, calculates the corresponding certification threshold value of the biological identification rank.
  14. 14. terminal as claimed in claim 13, it is characterised in that the terminal further includes：
    First judging unit, for whether judging the biological identification rank higher than certification level is referred to, when the described first judgement The judging result of unit performs the corresponding certification threshold of the acquisition biological identification rank when being, to trigger the 3rd acquiring unit The step of value, wherein, it is described to include pre- setting authentication starting level, history certification level or preceding once certification with reference to certification level Certification level.
  15. 15. terminal as claimed in claim 13, it is characterised in that the terminal further includes：
    Second judging unit, for whether judging the biological identification rank less than certification level is referred to, when the described second judgement The judging result of unit performs the corresponding certification threshold of the acquisition biological identification rank when being, to trigger the 3rd acquiring unit The step of value, wherein, it is described to include pre- setting authentication starting level, history certification level or preceding once certification with reference to certification level Certification level.
  16. 16. terminal as claimed in claim 13, it is characterised in that the query unit is specifically used for being directed to application pair with described The operational motion of elephant is foundation, and the corresponding biological identification of the operational motion is inquired about from the biological identification level map table of storage Rank；
    Wherein, the biological identification level map table includes pre-set operational motion and biological identification for application Mapping relations between rank.
  17. 17. such as claim 13 to 16 any one of them terminal, it is characterised in that the 3rd acquiring unit be specifically used for The type of the biometric authentication information is foundation, and the biological identification rank is searched from the certification threshold map table of storage and is corresponded to Certification threshold value；
    Wherein, the certification threshold map table include the type of the biometric authentication information, the biological identification rank and Mapping relations between certification threshold value three；The type of the biometric authentication information includes appointing in vocal print, face, fingerprint or iris One or more of combinations.
  18. 18. such as claim 13 to 16 any one of them terminal, it is characterised in that the first acquisition unit is specifically used for obtaining Operational order of the family to terminal is taken, and parses the corresponding operational motion for application of the operational order.
  19. A kind of 19. terminal, it is characterised in that including：
    First acquisition unit, for obtaining the operational motion input by user for application；
    Second acquisition unit, for obtaining biometric authentication information input by user；
    Query unit, the biological identification level of the operational motion for application obtained for inquiring about the first acquisition unit Not；
    3rd acquiring unit, for obtaining the corresponding certification threshold value of the biological identification rank；
    Matching unit, for biometric authentication information input by user and the user's registration for obtaining the first acquisition unit Biometric authentication information carry out matching operation, obtain matching result；
    Authentication unit, the certification threshold value for the matching result of the matching unit and the 3rd acquiring unit to be obtained carry out It is compared to authentication operation；
    3rd acquiring unit, including：
    3rd obtains subelement, for obtaining the corresponding false acceptance rate of the biological identification rank；
    4th obtains subelement, for using the type of the biometric authentication information as foundation, obtaining false acceptance rate and certification threshold Inverse ratio curve between value；
    Determination subelement, the corresponding mistake of the biological identification rank for being obtained with the described 3rd acquisition subelement connect It is foundation by rate, determining that the biological identification rank is corresponding on the inverse ratio curve obtained from the described 4th acquisition subelement recognizes Demonstrate,prove threshold value.
  20. 20. terminal as claimed in claim 19, it is characterised in that the terminal further includes：
    First judging unit, for whether judging the biological identification rank higher than certification level is referred to, when the described first judgement The judging result of unit performs the corresponding certification threshold of the acquisition biological identification rank when being, to trigger the 3rd acquiring unit The step of value, wherein, it is described to include pre- setting authentication starting level, history certification level or preceding once certification with reference to certification level Certification level.
  21. 21. terminal as claimed in claim 19, it is characterised in that the terminal further includes：
    Second judging unit, for whether judging the biological identification rank less than certification level is referred to, when the described second judgement The judging result of unit performs the corresponding certification threshold of the acquisition biological identification rank when being, to trigger the 3rd acquiring unit The step of value, wherein, it is described to include pre- setting authentication starting level, history certification level or preceding once certification with reference to certification level Certification level.
  22. 22. terminal as claimed in claim 19, it is characterised in that the query unit is specifically used for being directed to application pair with described The operational motion of elephant is foundation, and the corresponding biological identification of the operational motion is inquired about from the biological identification level map table of storage Rank；
    Wherein, the biological identification level map table includes pre-set operational motion and biological identification for application Mapping relations between rank.
  23. 23. such as claim 19 to 22 any one of them terminal, it is characterised in that the 3rd acquiring unit be specifically used for The type of the biometric authentication information is foundation, and the biological identification rank is searched from the certification threshold map table of storage and is corresponded to Certification threshold value；
    Wherein, the certification threshold map table include the type of the biometric authentication information, the biological identification rank and Mapping relations between certification threshold value three；The type of the biometric authentication information includes appointing in vocal print, face, fingerprint or iris One or more of combinations.
  24. 24. such as claim 19 to 22 any one of them terminal, it is characterised in that the first acquisition unit is specifically used for obtaining Operational order of the family to terminal is taken, and parses the corresponding operational motion for application of the operational order.
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