CN107180182A - A kind of unlocked by fingerprint method and apparatus - Google Patents
A kind of unlocked by fingerprint method and apparatus Download PDFInfo
- Publication number
- CN107180182A CN107180182A CN201710434672.7A CN201710434672A CN107180182A CN 107180182 A CN107180182 A CN 107180182A CN 201710434672 A CN201710434672 A CN 201710434672A CN 107180182 A CN107180182 A CN 107180182A
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- Prior art keywords
- fingerprint
- fingerprint template
- unlocked
- template
- failure
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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
Abstract
The embodiments of the invention provide a kind of unlocked by fingerprint method and apparatus, methods described is applied in the terminal, including：Preset the first fingerprint template is matched using finger print data unsuccessfully to cause that after unblock fails, success is unlocked by non-unlocked by fingerprint mode；Success is unlocked according to the non-unlocked by fingerprint mode, the second fingerprint template is generated using the finger print data；It is unlocked according to second fingerprint template.The finger print data that the embodiment of the present invention is gathered when unlocked by fingerprint fails, there are the situations of change such as damaged, decortication in the skin that finger can be embodied, or embody finger and recover the situation of change such as normal, therefore, the second fingerprint template generated using finger print data can embody these features, it can be subsequently unlocked based on the second new fingerprint template, by the way that finger print data is matched with the second fingerprint template that adaptive finger situation of change is generated, the success rate of matching can be improved, so as to improve the success rate of unlocked by fingerprint.
Description
Technical field
The present invention relates to the technical field of communication, more particularly to a kind of unlocked by fingerprint method and a kind of unlocked by fingerprint dress
Put.
Background technology
With the development of science and technology, the mobile terminal such as mobile phone, tablet personal computer, in the work of people, study, daily exchange
Etc. the utilization rate also more and more higher of each side.
In the terminal, fingerprint sensor is much equipped with, the security of mobile terminal is improved, facilitates user to carry out
Unblock, and then carry out the subsequent operations such as releasing screen locking, payment.
But, the finger of user can be because, there are the phenomenons such as skin injury, decortication, causes fingerprint in the reason such as season, injury
Change greatly, reduce the success rate by unlocked by fingerprint, the state that can not even up to use.
The content of the invention
In view of the above problems, in order to solve the problem of success rate that is unlocked after the change of above-mentioned fingerprint is relatively low, the present invention is real
Apply example and propose a kind of unlocked by fingerprint method and a kind of corresponding unlocked by fingerprint device.
According to one aspect of the present invention there is provided a kind of unlocked by fingerprint method, using in the terminal, methods described
Including：
Preset the first fingerprint template is matched using finger print data unsuccessfully to cause after unblock fails, to pass through non-unlocked by fingerprint side
Formula is unlocked successfully；
Success is unlocked according to the non-unlocked by fingerprint mode, the second fingerprint template is generated using the finger print data；
It is unlocked according to second fingerprint template.
Alternatively, after the first preset fingerprint template of the use finger print data matching unsuccessfully causes unblock failure, pass through
Non- unlocked by fingerprint mode, which unlocks successful step, to be included：
Gather finger print data；
Matched using the finger print data with the first preset fingerprint template；
If matching the first fingerprint template failure, confirms unblock failure；
Judge whether the number of times of continuous unblock failure reaches default unblock threshold value；Refer to if it is not, returning and performing the collection
The step of line data；
If so, being then unlocked using non-unlocked by fingerprint mode；
Success is unlocked using the non-unlocked by fingerprint mode.
Alternatively, in addition to：
Calculate the similarity between first fingerprint template and second fingerprint template；
Judge whether the similarity exceedes default similarity threshold；
If, it is determined that second fingerprint template is effective；
If not, it is determined that second fingerprint template is invalid, second fingerprint template is deleted.
Alternatively, it is described to include the step of be unlocked according to second fingerprint template：
Delete first fingerprint template；
Fingerprint authentication is carried out using second fingerprint template；
If the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
If the second fingerprint template fingerprint authentication failure, it is determined that unblock failure.
Alternatively, it is described to include the step of be unlocked according to second fingerprint template：
Fingerprint authentication is carried out using first fingerprint template；
If the first fingerprint template fingerprint authentication success, it is determined that unlock successfully；
If the first fingerprint template fingerprint authentication failure, fingerprint authentication is carried out using second fingerprint template；
If the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
If the second fingerprint template fingerprint authentication failure, it is determined that unblock failure.
Alternatively, it is described to include the step of be unlocked according to second fingerprint template：
Fingerprint authentication is carried out using second fingerprint template；
If the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
If the second fingerprint template fingerprint authentication failure, fingerprint authentication is carried out using first fingerprint template；
If the first fingerprint template fingerprint authentication success, it is determined that unlock successfully；
If the first fingerprint template fingerprint authentication failure, it is determined that unblock failure.
Alternatively, it is described also to include the step of be unlocked according to second fingerprint template：
When the number of times of unblock exceedes default frequency threshold value, statistics is using first fingerprint template unblock successful the
Number and use second fingerprint template unlock successful second number；
Judge whether second number exceedes first number；
If so, then deleting first fingerprint template；
If it is not, then deleting second fingerprint template.
There is provided a kind of unlocked by fingerprint device according to another aspect of the present invention, it is characterised in that applies in mobile terminal
In, described device includes：
Non- unlocked by fingerprint module, unsuccessfully causes to unlock failure for matching the first preset fingerprint template using finger print data
Afterwards, success is unlocked by non-unlocked by fingerprint mode；
Fingerprint template generation module, for unlocking success according to the non-unlocked by fingerprint mode, using the finger print data
Generate the second fingerprint template；
Unlocked by fingerprint module, for being unlocked according to second fingerprint template.
Alternatively, the non-unlocked by fingerprint includes：
Fingerprint data collection submodule, for gathering finger print data；
First fingerprint authentication submodule, for being matched using the finger print data with the first preset fingerprint template；
First unblock failure submodule, if for matching the first fingerprint template failure, confirming unblock failure；
Threshold decision submodule is unlocked, for judging whether the number of times of continuous unblock failure reaches default unblock threshold value；
The fingerprint data collection submodule is called if it is not, returning, if then calling non-unlocked by fingerprint submodule；
Non- unlocked by fingerprint submodule, for being unlocked using non-unlocked by fingerprint mode；
Non- unlocked by fingerprint success submodule, for unlocking success using the non-unlocked by fingerprint mode.
Alternatively, in addition to：
Similarity calculation module, it is similar between first fingerprint template and second fingerprint template for calculating
Degree；
Similarity threshold judge module, for judging whether the similarity exceedes default similarity threshold；If so, then
Effective determining module is called, if it is not, then calling invalidity determination module；
Effective determining module, for determining that second fingerprint template is effective；
Invalidity determination module, for determining that second fingerprint template is invalid, deletes second fingerprint template.
Alternatively, the unlocked by fingerprint module includes：
First deletes submodule, for deleting first fingerprint template；
Second fingerprint authentication submodule, for carrying out fingerprint authentication using second fingerprint template；
First unlocks successfully submodule, if for the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
Second unblock failure submodule, if for the second fingerprint template fingerprint authentication failure, it is determined that unblock failure.
Alternatively, the unlocked by fingerprint module includes：
3rd fingerprint authentication submodule, for carrying out fingerprint authentication using first fingerprint template；
Second unlocks successfully submodule, if for the first fingerprint template fingerprint authentication success, it is determined that unlock successfully；
4th fingerprint authentication submodule, if for the first fingerprint template fingerprint authentication failure, using described second
Fingerprint template carries out fingerprint authentication；
3rd unlocks successfully submodule, if for the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
3rd unblock failure submodule, if for the second fingerprint template fingerprint authentication failure, it is determined that unblock failure.
Alternatively, the unlocked by fingerprint module includes：
5th fingerprint authentication submodule, for carrying out fingerprint authentication using second fingerprint template；
4th unlocks successfully submodule, if for the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
6th fingerprint authentication submodule, if for the second fingerprint template fingerprint authentication failure, using described first
Fingerprint template carries out fingerprint authentication；
5th unlocks successfully submodule, if for the first fingerprint template fingerprint authentication success, it is determined that unlock successfully；
4th unblock failure submodule, if for the first fingerprint template fingerprint authentication failure, it is determined that unblock failure.
Alternatively, the unlocked by fingerprint module also includes：
Number of times statistic submodule, for when the number of times of unblock exceedes default frequency threshold value, statistics to use described first
Fingerprint template unlocks successful first number and unlocks successful second number using second fingerprint template；
Number of times judging submodule, for judging whether second number exceedes first number；If so, then calling
Two delete submodule, if it is not, then calling the 3rd deletion submodule；
Second deletes submodule, for deleting first fingerprint template；
3rd deletes submodule, for deleting second fingerprint template.
The embodiment of the present invention includes advantages below：
Monitoring of the embodiment of the present invention is unsuccessfully caused using the first preset fingerprint template of finger print data matching after unblock failure,
Success is unlocked by non-unlocked by fingerprint mode, then the second fingerprint template is generated using finger print data, adopted when unlocked by fingerprint fails
There are the situations of change such as damaged, decortication in the finger print data of collection, the skin that can embody finger, or embodies finger recovery
The situation of change such as normal, therefore, the second fingerprint template generated using finger print data can embody these features, subsequently can be with
It is unlocked based on the second new fingerprint template, passes through the second fingerprint for generating finger print data and adaptive finger situation of change
Template matches, can improve the success rate of matching, so as to improve the success rate of unlocked by fingerprint.
Brief description of the drawings
Fig. 1 is a kind of step flow chart of unlocked by fingerprint method of one embodiment of the present of invention；
Fig. 2 is the step flow chart of another unlocked by fingerprint method of one embodiment of the present of invention；
Fig. 3 is the step flow chart of another unlocked by fingerprint method of one embodiment of the present of invention；
Fig. 4 is the step flow chart of another unlocked by fingerprint method of one embodiment of the present of invention；
Fig. 5 is the step flow chart of another unlocked by fingerprint method of one embodiment of the present of invention；
Fig. 6 is a kind of structured flowchart of unlocked by fingerprint device embodiment of one embodiment of the invention.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Reference picture 1, shows a kind of step flow chart of unlocked by fingerprint method of one embodiment of the invention, specifically can be with
Comprise the following steps：
Step 101, preset the first fingerprint template is matched using finger print data unsuccessfully to cause after unblock fails, to pass through non-refer to
Line unlocking manner is unlocked successfully.
In the specific implementation, the embodiment of the present invention can be using in the terminal, for example, mobile phone, tablet personal computer, intelligence
Wrist-watch etc., the embodiment of the present invention is not any limitation as to this.
In the terminal, the parts such as fingerprint sensor, touch-screen are provided with.
Fingerprint sensor is also known as fingerprint Sensor, is the device for gathering finger print data, can be the device independently of touch-screen
Part, can also be embedded in touch-screen, the embodiment of the present invention is not any limitation as to this.
By sensing principle, i.e. fingerprint imaging principle and technology, fingerprint sensor can be divided into optical fingerprint sensor, semiconductor
Capacitance sensor, semiconductor heat dependent sensor, semiconductor pressure sensor, ultrasonic sensor and radio frequency sensor, etc..
The operating system of mobile terminal includes Android (Android), IOS, Windows Phone, Windows etc., can
To support the operation of various applications, for example, screen locking application, payment application, immediate communication tool, mailbox client etc..
These applications can be according to the business processing of business demand lock part, and user is beforehand through fingerprint sensor typing
Finger print data, generates fingerprint template, gathers finger print data subsequently through fingerprint sensor and is proved to be successful it using fingerprint template
Afterwards, the business processing is unlocked.
For example, screen locking application lock-screen, fingerprint sensor collection fingerprint, screen locking apply verify the finger print data it
Afterwards, screen locking is released.
In another example, pay application locking pay, fingerprint sensor collection fingerprint, payment apply verify the finger print data it
Afterwards, release and pay.
The skin of user's finger is easily damaged, decortication, causes the fingerprint of finger to be changed with the time, part area such as occurs
Domain fingerprint is unclear, fingerprint is shallow or the horizontal line of insertion, vertical line etc. occurs, causes the finger print data and fingerprint template of collection
Situation with failure.
In addition, when typing finger print data, if exactly finger is damaged or peels, after a period of time, finger is again extensive
It is multiple normal, it will also result in the finger print data and the fingerprint template situation that it fails to match of collection.
In one embodiment of the invention, step 101 can include following sub-step：
Sub-step S11, gathers finger print data.
If in the specific implementation, user trigger some application carry out unlocked by fingerprint, finger can be pressed against fingerprint biography
On sensor, fingerprint sensor collection finger print data.
Fingerprint sensor is because of the difference of sensing principle, and the mode of collection is also different.
By taking ultrasonic sensor as an example, its principle is the ability using ultrasonic wave penetrable material, is launched to the finger of user
Ultrasonic wave, detection sound wave can calculate distance of the launch point away from pip from time for reflecting is transmitted into.
Multi-point scanning is carried out to the finger of user, can collect the surface configuration of the finger of user by multiple spot.
Sub-step S12, is matched using the finger print data with the first preset fingerprint template.
Using the embodiment of the present invention, user can typing finger print data, and use the finger print data in this application in advance
Generate the first fingerprint template.
Finger print data can subsequently be matched with the first fingerprint template, finger print data is verified, generally included
Pretreatment, feature extraction and compare peer processes：
1st, pre-process
Finger-print region detection, picture quality judgement, directional diagram and Frequency Estimation, image enhaucament, fingerprint can generally be included
The processing such as image binaryzation and refinement.
2nd, feature extraction
Fingerprint morphological feature includes center (upper and lower) and triangulation point (left and right) etc., and the details of fingerprint mainly include
Starting point, terminal, binding site and the bifurcation of streakline.
3rd, compare
Slightly matched, and then accurately matched using fingerprint form and minutia according to the line shape of fingerprint, provided
The similarity score of finger print data and fingerprint template.
According to the difference of application, similarity score is ranked up or provided whether be same fingerprint result of determination.
Sub-step S13, if matching the first fingerprint template failure, confirms unblock failure.
If it fails to match for finger print data and the first fingerprint template, i.e., finger print data and the first fingerprint template do not refer to be same
Line, forbids unblock.
Sub-step S14, judges whether the number of times of continuous unblock failure reaches default unblock threshold value；Held if it is not, then returning
Row sub-step S11, if so, then performing sub-step S15.
In embodiments of the present invention, user can be allowed to continually attempt to carry out unlocked by fingerprint, after unblock failure, Ke Yiti
Show that user re-enters finger print data and carries out unlocked by fingerprint.
If the number of times of continuous unblock failure reaches unblock threshold value (such as 5 times), the number of times that user can be pointed out to attempt is reached
The upper limit, need to use other non-unlocked by fingerprint modes to be unlocked.
It should be noted that so-called continuous unblock failure, the operation that can refer to unblock failure is not interrupted.
It is possible to further set a time threshold (such as 5 minutes), if the time difference between two neighboring unblock failure
Away from continuous unblock failure less than or equal to the time threshold, then can be considered as, conversely, discontinuous unblock failure can be considered as.
Sub-step S15, is unlocked using non-unlocked by fingerprint mode.
Sub-step S16, success is unlocked using the non-unlocked by fingerprint mode.
Non- unlocked by fingerprint mode, can refer to other unlocking manners in addition to unlocked by fingerprint, for example, password unblock, figure
Unblock, face unblock, iris unblock, etc..
If showing, the number of times that user attempts reaches the upper limit, can be carried out according to prompting using other non-unlocked by fingerprint modes
Unblock.
Step 102, success is unlocked according to the non-unlocked by fingerprint mode, the second fingerprint mould is generated using the finger print data
Plate.
If after the failure of user's continuous several times unlocked by fingerprint, unlocking success using non-unlocked by fingerprint mode, then can use
The finger print data gathered in the failure of continuous several times unlocked by fingerprint generates a new fingerprint template, is used as the second fingerprint template.
By taking SFINGE methods as an example, on the basis of finger print data, generated by Luo Kuo, direction map generation, density map are given birth to
Into with the step such as crestal line structure, obtain the binary image of a fingerprint ridge line texture, be used as fingerprint template.
Certainly, the method for above-mentioned generation fingerprint template is intended only as example, can basis when implementing the embodiment of the present invention
Actual conditions set the method that other generate fingerprint template, and the embodiment of the present invention is not any limitation as to this.In addition, except above-mentioned life
Into outside the method for fingerprint template, those skilled in the art can also be according to actual needs using the side of other generation fingerprint templates
Method, the embodiment of the present invention is not also any limitation as to this.
Step 103, it is unlocked according to second fingerprint template.
If in the specific implementation, user trigger again the application carry out unlocked by fingerprint, finger can be pressed against fingerprint
On sensor, fingerprint sensor collection finger print data.
Finger print data is matched with the second fingerprint template, auxiliary carries out fingerprint authentication to finger print data.
Monitoring of the embodiment of the present invention is unsuccessfully caused using the first preset fingerprint template of finger print data matching after unblock failure,
Success is unlocked by non-unlocked by fingerprint mode, then the second fingerprint template is generated using finger print data, adopted when unlocked by fingerprint fails
There are the situations of change such as damaged, decortication in the finger print data of collection, the skin that can embody finger, or embodies finger recovery
The situation of change such as normal, therefore, the second fingerprint template generated using finger print data can embody these features, subsequently can be with
It is unlocked based on the second new fingerprint template, passes through the second fingerprint for generating finger print data and adaptive finger situation of change
Template matches, can improve the success rate of matching, so as to improve the success rate of unlocked by fingerprint.
Reference picture 2, shows the step flow chart of another unlocked by fingerprint method of one embodiment of the invention, applies
In mobile terminal, specifically it may include steps of：
Step 201, preset the first fingerprint template is matched using finger print data unsuccessfully to cause after unblock fails, to pass through non-refer to
Line unlocking manner is unlocked successfully.
Step 202, success is unlocked according to the non-unlocked by fingerprint mode, the second fingerprint mould is generated using the finger print data
Plate.
Step 203, the similarity between first fingerprint template and second fingerprint template is calculated.
Step 204, judge whether the similarity exceedes default similarity threshold；If so, step 205 is then performed, if
It is no, then perform step 207.
Step 205, determine that second fingerprint template is effective.
Step 206, it is unlocked according to second fingerprint template.
Step 207, determine that second fingerprint template is invalid.
Step 208, second fingerprint template is deleted.
In embodiments of the present invention, if before generation the second fingerprint template (i.e. step 202) or generating the second fingerprint template
After (i.e. step 202), the similarity between the first fingerprint template and the second fingerprint template can be calculated, with to the second fingerprint mould
The legitimacy of plate is verified.
It should be noted that before the second fingerprint template of generation, with the first fingerprint template calculating similarity for using company
The view data of finger print data generation during continuous unlocked by fingerprint failure, fingerprint template is not set to formally, by legal
Property verification after, be set to fingerprint template.
If the similarity exceedes default similarity threshold (such as 80%), it is considered that the first fingerprint template and second refers to
Line template is larger may to be belonged to same fingerprint, belong to same user, determines that second fingerprint template is effective.
If user triggers using unlocked by fingerprint is carried out again, finger can be pressed against on fingerprint sensor, fingerprint is passed
Sensor gathers finger print data.
Finger print data is matched with effective second fingerprint template, auxiliary is verified to finger print data.
If the similarity is not less than default similarity threshold (such as 80%), it is considered that the first fingerprint template and second
Fingerprint template may be less likely to belong to same fingerprint, belong to same user, determine that second fingerprint template is invalid, and deletion should
Second fingerprint template, it is ensured that the legitimacy of finger print data.
If user triggers using unlocked by fingerprint is carried out again, finger can be pressed against on fingerprint sensor, fingerprint is passed
Sensor gathers finger print data.
Finger print data is matched with the first fingerprint template, finger print data is verified.
Reference picture 3, shows the step flow chart of another unlocked by fingerprint method of one embodiment of the invention, applies
In mobile terminal, specifically it may include steps of：
Step 301, preset the first fingerprint template is matched using finger print data unsuccessfully to cause after unblock fails, to pass through non-refer to
Line unlocking manner is unlocked successfully.
Step 302, success is unlocked according to the non-unlocked by fingerprint mode, the second fingerprint mould is generated using the finger print data
Plate.
Step 303, first fingerprint template is deleted.
Step 304, fingerprint authentication is carried out using second fingerprint template.
Step 305, if the second fingerprint template fingerprint authentication success, it is determined that unlock successfully.
Step 306, if the second fingerprint template fingerprint authentication fails, it is determined that unblock failure.
In embodiments of the present invention, after the second fingerprint template is generated, the second fingerprint template can be replaced first and referred to
Line template, fingerprint template by default, and the first fingerprint template is deleted, retain the second fingerprint template.
If user triggers using unlocked by fingerprint is carried out again, finger can be pressed against on fingerprint sensor, fingerprint is passed
Sensor gathers finger print data.
Finger print data is matched with the second fingerprint template of fingerprint template by default, finger print data is tested
Card.
If the match is successful for finger print data and the second fingerprint template, it is determined that unlocks successfully.
If it fails to match for finger print data and the second fingerprint template, it is determined that unblock failure.
In actual applications, if fingerprint there occurs the damaged, change such as cast off a skin, old fingerprint template unblock success rate is low,
Even it can not almost use, user can typically delete old fingerprint template, and new fingerprint template is enrolled again, and of the invention
Embodiment is detecting continuous unlocked by fingerprint failure, then the replacement flow of fingerprint template can be triggered, by the second new fingerprint mould
Plate replaces the first old fingerprint template, it is ensured that the success rate of unlocked by fingerprint.
Reference picture 4, shows the step flow chart of another unlocked by fingerprint method of one embodiment of the invention, applies
In mobile terminal, specifically it may include steps of：
Step 401, preset the first fingerprint template is matched using finger print data unsuccessfully to cause after unblock fails, to pass through non-refer to
Line unlocking manner is unlocked successfully.
Step 402, success is unlocked according to the non-unlocked by fingerprint mode, the second fingerprint mould is generated using the finger print data
Plate.
Step 403, fingerprint authentication is carried out using first fingerprint template.
Step 404, if the first fingerprint template fingerprint authentication success, it is determined that unlock successfully.
Step 405, if the first fingerprint template fingerprint authentication fails, fingerprint is carried out using second fingerprint template
Checking.
Step 406, if the second fingerprint template fingerprint authentication success, it is determined that unlock successfully.
Step 407, if the second fingerprint template fingerprint authentication fails, it is determined that unblock failure.
In embodiments of the present invention, the fingerprint template of the first fingerprint template by default, the second fingerprint template is used as auxiliary
Fingerprint template, both can use simultaneously.
If user triggers using unlocked by fingerprint is carried out again, finger can be pressed against on fingerprint sensor, fingerprint is passed
Sensor gathers finger print data.
Finger print data is matched with the first fingerprint template of fingerprint template by default, finger print data is tested
Card.
If the match is successful for finger print data and the first fingerprint template, it is determined that unlocks successfully.
If it fails to match for finger print data and the first fingerprint template, using finger print data with being used as the of the fingerprint template aided in
Two fingerprint templates are matched, and finger print data is verified.
If the match is successful for finger print data and the second fingerprint template, it is determined that unlocks successfully.
If it fails to match for finger print data and the second fingerprint template, it is determined that unblock failure.
Step 408, when the number of times of unblock exceedes default frequency threshold value, statistics is using first fingerprint template unblock
Successful first number and use second fingerprint template unlock successful second number.
Step 409, judge whether second number exceedes first number；If so, step 410 is then performed, if it is not,
Then perform step 411.
Step 410, first fingerprint template is deleted.
Step 411, second fingerprint template is deleted.
In embodiments of the present invention, can be according to the situation of unblock to the first fingerprint after the second fingerprint template is generated
Template and the second fingerprint template are compared.
In the specific implementation, the number of times threshold values (such as 50 times) of unlocked by fingerprint can be pre-set, when carrying out unlocked by fingerprint,
Count the number of times of unblock.
If the number of times of unblock exceedes number of times threshold values, statistics unlocks successful first number using the first fingerprint template respectively
Successful second number is unlocked with using the second fingerprint template.
If more than first time number of second number, represent that the second fingerprint template is better than the first fingerprint template, then can be by fingerprint
Data replace the first fingerprint template, fingerprint template by default, and delete the first fingerprint template, retain the second fingerprint template.
If user triggers using unlocked by fingerprint is carried out again, finger can be pressed against on fingerprint sensor, fingerprint is passed
Sensor gathers finger print data.
Finger print data is matched with the second fingerprint template of fingerprint template by default, finger print data is tested
Card.
If not less than first time number of second number, represent that the first fingerprint template is better than the second fingerprint template, then can retain
First fingerprint template, fingerprint template by default, and delete finger print data.
If user triggers using unlocked by fingerprint is carried out again, finger can be pressed against on fingerprint sensor, fingerprint is passed
Sensor gathers finger print data.
Finger print data is matched with the first fingerprint template of fingerprint template by default, finger print data is tested
Card.
The embodiment of the present invention first carries out fingerprint authentication using the first fingerprint template, then carries out fingerprint using the second fingerprint template
Checking, both successful number of times of unblock of statistics, to determine the fingerprint template used, pass through the first fingerprint template of raising respectively
Priority, improves the number of times that the first fingerprint template carries out fingerprint authentication, if just etc. non-fingerprint reason is not causing continuously finger because of step-by-step
Line unblock failure, i.e. the availability of the first fingerprint template is higher, the second fingerprint template availability is relatively low, then the first fingerprint template
Unlock successful first number higher more than the probability that the second fingerprint template unlocks successful second number, can be stopped with larger probability
The only replacement flow of fingerprint template, it is ensured that the success rate of unlocked by fingerprint.
Reference picture 5, shows the step flow chart of another unlocked by fingerprint method of one embodiment of the invention, applies
In mobile terminal, specifically it may include steps of：
Step 501, preset the first fingerprint template is matched using finger print data unsuccessfully to cause after unblock fails, to pass through non-refer to
Line unlocking manner is unlocked successfully.
Step 502, success is unlocked according to the non-unlocked by fingerprint mode, the second fingerprint mould is generated using the finger print data
Plate.
Step 503, fingerprint authentication is carried out using second fingerprint template.
Step 504, if the second fingerprint template fingerprint authentication success, it is determined that unlock successfully.
Step 505, if the second fingerprint template fingerprint authentication fails, fingerprint is carried out using first fingerprint template
Checking.
Step 506, if the first fingerprint template fingerprint authentication success, it is determined that unlock successfully.
Step 507, if the first fingerprint template fingerprint authentication fails, it is determined that unblock failure.
In embodiments of the present invention, the fingerprint template of the first fingerprint template by default, the second fingerprint template is used as auxiliary
Fingerprint template, both can use simultaneously.
If user triggers using unlocked by fingerprint is carried out again, finger can be pressed against on fingerprint sensor, fingerprint is passed
Sensor gathers finger print data.
Matched finger print data with the second fingerprint template of the fingerprint template as auxiliary, finger print data is tested
Card.
If the match is successful for finger print data and the second fingerprint template, it is determined that unlocks successfully.
If it fails to match for finger print data and the second fingerprint template, by the of finger print data and fingerprint template by default
One fingerprint template is matched, and finger print data is verified.
If the match is successful for finger print data and the first fingerprint template, it is determined that unlocks successfully.
If it fails to match for finger print data and the first fingerprint template, it is determined that unblock failure.
Step 508, when the number of times of unblock exceedes default frequency threshold value, statistics is using first fingerprint template unblock
Successful first number and use second fingerprint template unlock successful second number.
Step 509, judge whether second number exceedes first number；If so, step 510 is then performed, if it is not,
Then perform step 511.
Step 510, first fingerprint template is deleted.
Step 511, second fingerprint template is deleted.
In embodiments of the present invention, can be according to the situation of unblock to the first fingerprint after the second fingerprint template is generated
Template and the second fingerprint template are compared.
In the specific implementation, the number of times threshold values (such as 50 times) of unlocked by fingerprint can be pre-set, when carrying out unlocked by fingerprint,
Count the number of times of unblock.
If the number of times of unblock exceedes number of times threshold values, statistics unlocks successful first number using the first fingerprint template respectively
Successful second number is unlocked with using the second fingerprint template.
If more than first time number of second number, represent that the second fingerprint template is better than the first fingerprint template, then can be by second
Fingerprint template replaces the first fingerprint template, fingerprint template by default, and deletes the first fingerprint template, retains the second fingerprint mould
Plate.
If user triggers using unlocked by fingerprint is carried out again, finger can be pressed against on fingerprint sensor, fingerprint is passed
Sensor gathers finger print data.
Finger print data is matched with the second fingerprint template of fingerprint template by default, finger print data is tested
Card.
If not less than first time number of second number, represent that the first fingerprint template is better than the second fingerprint template, then can retain
First fingerprint template, fingerprint template by default, and delete finger print data.
If user triggers using unlocked by fingerprint is carried out again, finger can be pressed against on fingerprint sensor, fingerprint is passed
Sensor gathers finger print data.
Finger print data is matched with the first fingerprint template of fingerprint template by default, finger print data is tested
Card.
The embodiment of the present invention first carries out fingerprint authentication using the second fingerprint template, then carries out fingerprint using the first fingerprint template
Checking, both successful number of times of unblock of statistics, to determine the fingerprint template used, pass through the first fingerprint template of raising respectively
Priority, improves the number of times that the first fingerprint template carries out fingerprint authentication, if because fingerprint reason causes continuous unlocked by fingerprint to fail, i.e.,
The availability of first fingerprint template is relatively low, the second fingerprint template availability is higher, then the second fingerprint template unblock successful the
The probability that two numbers are more than successful first number of the first fingerprint template unblock is higher, can accelerate to trigger the replacement of fingerprint template
Flow, it is ensured that the success rate of unlocked by fingerprint.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it to be all expressed as to a series of action group
Close, but those skilled in the art should know, the embodiment of the present invention is not limited by described sequence of movement, because according to
According to the embodiment of the present invention, some steps can be carried out sequentially or simultaneously using other.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, the involved action not necessarily present invention is implemented
Necessary to example.
Reference picture 6, shows a kind of structured flowchart of unlocked by fingerprint device embodiment of one embodiment of the invention, application
In the terminal, following module can specifically be included：
Non- unlocked by fingerprint module 601, unsuccessfully causes unblock to lose for matching the first preset fingerprint template using finger print data
After losing, success is unlocked by non-unlocked by fingerprint mode；
Fingerprint template generation module 602, for unlocking success according to the non-unlocked by fingerprint mode, using the fingerprint number
According to generating the second fingerprint template；
Unlocked by fingerprint module 603, for being unlocked according to second fingerprint template.
In one embodiment of the invention, the object event monitoring modular 601 includes：
Fingerprint data collection submodule, for gathering finger print data；
First fingerprint authentication submodule, for being matched using the finger print data with the first preset fingerprint template；
First unblock failure submodule, if for matching the first fingerprint template failure, confirming unblock failure；
Threshold decision submodule is unlocked, for judging whether the number of times of continuous unblock failure reaches default unblock threshold value；
The fingerprint data collection submodule is called if it is not, returning, if then calling non-unlocked by fingerprint submodule；
Non- unlocked by fingerprint submodule, for being unlocked using non-unlocked by fingerprint mode；
Non- unlocked by fingerprint success submodule, for unlocking success using the non-unlocked by fingerprint mode.
In one embodiment of the invention, in addition to：
Similarity calculation module, it is similar between first fingerprint template and second fingerprint template for calculating
Degree；
Similarity threshold judge module, for judging whether the similarity exceedes default similarity threshold；If so, then
Effective determining module is called, if it is not, then calling invalidity determination module；
Effective determining module, for determining that second fingerprint template is effective；
Invalidity determination module, for determining that second fingerprint template is invalid, deletes second fingerprint template.
In one embodiment of the invention, the unlocked by fingerprint module 603 includes：
First deletes submodule, for deleting first fingerprint template；
Second fingerprint authentication submodule, for carrying out fingerprint authentication using second fingerprint template；
First unlocks successfully submodule, if for the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
Second unblock failure submodule, if for the second fingerprint template fingerprint authentication failure, it is determined that unblock failure.
In another embodiment of the present invention, the unlocked by fingerprint module 603 includes：
3rd fingerprint authentication submodule, for carrying out fingerprint authentication using first fingerprint template；
Second unlocks successfully submodule, if for the first fingerprint template fingerprint authentication success, it is determined that unlock successfully；
4th fingerprint authentication submodule, if for the first fingerprint template fingerprint authentication failure, using described second
Fingerprint template carries out fingerprint authentication；
3rd unlocks successfully submodule, for the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
3rd unblock failure submodule, if for the second fingerprint template fingerprint authentication failure, it is determined that unblock failure.
In another embodiment of the present invention, the unlocked by fingerprint module 603 includes：
5th fingerprint authentication submodule, for carrying out fingerprint authentication using second fingerprint template；
4th unlocks successfully submodule, if for the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
6th fingerprint authentication submodule, if for the second fingerprint template fingerprint authentication failure, using described first
Fingerprint template carries out fingerprint authentication；
5th unlocks successfully submodule, if for the first fingerprint template fingerprint authentication success, it is determined that unlock successfully；
4th unblock failure submodule, if for the first fingerprint template fingerprint authentication failure, it is determined that unblock failure.
In another embodiment of the present invention, the unlocked by fingerprint module 603 also includes：
Number of times statistic submodule, for when the number of times of unblock exceedes default frequency threshold value, statistics to use described first
Fingerprint template unlocks successful first number and unlocks successful second number using second fingerprint template；
Number of times judging submodule, for judging whether second number exceedes first number；If so, then calling
Two delete submodule, if it is not, then calling the 3rd deletion submodule；
Second deletes submodule, for deleting first fingerprint template；
3rd deletes submodule, for deleting second fingerprint template.
For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
Between the difference of other embodiment, each embodiment identical similar part mutually referring to.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can be provided as method, device or calculate
Machine program product.Therefore, the embodiment of the present invention can using complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can use it is one or more wherein include computer can
With in the computer-usable storage medium (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention is with reference to method according to embodiments of the present invention, terminal device (system) and computer program
The flow chart and/or block diagram of product is described.It should be understood that can be by computer program instructions implementation process figure and/or block diagram
In each flow and/or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These can be provided
Computer program instructions are set to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that held by the processor of computer or other programmable data processing terminal equipments
Capable instruction is produced for realizing in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
The device for the function of specifying.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing terminal equipments
In the computer-readable memory worked in a specific way so that the instruction being stored in the computer-readable memory produces bag
The manufacture of command device is included, the command device is realized in one flow of flow chart or multiple flows and/or one side of block diagram
The function of being specified in frame or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing terminal equipments so that
Series of operation steps is performed on computer or other programmable terminal equipments to produce computer implemented processing, so that
The instruction performed on computer or other programmable terminal equipments is provided for realizing in one flow of flow chart or multiple flows
And/or specified in one square frame of block diagram or multiple square frames function the step of.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to
Including preferred embodiment and fall into having altered and changing for range of embodiment of the invention.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or terminal device including a series of key elements are not only wrapped
Those key elements, but also other key elements including being not expressly set out are included, or also include being this process, method, article
Or the intrinsic key element of terminal device.In the absence of more restrictions, by wanting that sentence "including a ..." is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or terminal device.
Above to a kind of unlocked by fingerprint method provided by the present invention and a kind of unlocked by fingerprint device, detailed Jie has been carried out
Continue, specific case used herein is set forth to the principle and embodiment of the present invention, the explanation of above example is only
It is the method and its core concept for being used to help understand the present invention；Simultaneously for those of ordinary skill in the art, according to this hair
Bright thought, be will change in specific embodiments and applications, in summary, and this specification content should not be managed
Solve as limitation of the present invention.
Claims (10)
1. a kind of unlocked by fingerprint method, it is characterised in that in the terminal, methods described includes for application：
Preset the first fingerprint template is matched using finger print data unsuccessfully to cause after unblock fails, to pass through non-unlocked by fingerprint mode solution
Lock successfully；
Success is unlocked according to the non-unlocked by fingerprint mode, the second fingerprint template is generated using the finger print data；
It is unlocked according to second fingerprint template.
2. according to the method described in claim 1, it is characterised in that the use finger print data matches the first preset fingerprint mould
Plate is unsuccessfully caused after unblock failure, and unlocking successful step by non-unlocked by fingerprint mode includes：
Gather finger print data；
Matched using the finger print data with the first preset fingerprint template；
If matching the first fingerprint template failure, confirms unblock failure；
Judge whether the number of times of continuous unblock failure reaches default unblock threshold value；The collection fingerprint number is performed if it is not, returning
According to the step of；
If so, being then unlocked using non-unlocked by fingerprint mode；
Success is unlocked using the non-unlocked by fingerprint mode.
3. according to the method described in claim 1, it is characterised in that also include：
Calculate the similarity between first fingerprint template and second fingerprint template；
Judge whether the similarity exceedes default similarity threshold；
If, it is determined that second fingerprint template is effective；
If not, it is determined that second fingerprint template is invalid, second fingerprint template is deleted.
4. the method according to claim 1 or 2 or 3, it is characterised in that described to be solved according to second fingerprint template
The step of lock, includes：
Delete first fingerprint template；
Fingerprint authentication is carried out using second fingerprint template；
If the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
If the second fingerprint template fingerprint authentication failure, it is determined that unblock failure.
5. the method according to claim 1 or 2 or 3, it is characterised in that described to be solved according to second fingerprint template
The step of lock, includes：
Fingerprint authentication is carried out using first fingerprint template；
If the first fingerprint template fingerprint authentication success, it is determined that unlock successfully；
If the first fingerprint template fingerprint authentication failure, fingerprint authentication is carried out using second fingerprint template；
If the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
If the second fingerprint template fingerprint authentication failure, it is determined that unblock failure.
6. the method according to claim 1 or 2 or 3, it is characterised in that described to be solved according to second fingerprint template
The step of lock, includes：
Fingerprint authentication is carried out using second fingerprint template；
If the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
If the second fingerprint template fingerprint authentication failure, fingerprint authentication is carried out using first fingerprint template；
If the first fingerprint template fingerprint authentication success, it is determined that unlock successfully；
If the first fingerprint template fingerprint authentication failure, it is determined that unblock failure.
7. the method according to claim 5 or 6, it is characterised in that described to be unlocked according to second fingerprint template
The step of also include：
When the number of times of unblock exceedes default frequency threshold value, statistics is successful for the first time using first fingerprint template unblock
Count and successful second number is unlocked using second fingerprint template；
Judge whether second number exceedes first number；
If so, then deleting first fingerprint template；
If it is not, then deleting second fingerprint template.
8. a kind of unlocked by fingerprint device, it is characterised in that in the terminal, described device includes for application：
Non- unlocked by fingerprint module, the first fingerprint template for using finger print data matching preset is unsuccessfully caused after unblock failure,
Success is unlocked by non-unlocked by fingerprint mode；
Fingerprint template generation module, for unlocking success according to the non-unlocked by fingerprint mode, is generated using the finger print data
Second fingerprint template；
Unlocked by fingerprint module, for being unlocked according to second fingerprint template.
9. device according to claim 8, it is characterised in that the unlocked by fingerprint module includes：
3rd fingerprint authentication submodule, for carrying out fingerprint authentication using first fingerprint template；
Second unlocks successfully submodule, if for the first fingerprint template fingerprint authentication success, it is determined that unlock successfully；
4th fingerprint authentication submodule, if for the first fingerprint template fingerprint authentication failure, using second fingerprint
Template carries out fingerprint authentication；
3rd unlocks successfully submodule, if for the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
3rd unblock failure submodule, if for the second fingerprint template fingerprint authentication failure, it is determined that unblock failure.
10. device according to claim 8, it is characterised in that the unlocked by fingerprint module includes：
5th fingerprint authentication submodule, for carrying out fingerprint authentication using second fingerprint template；
4th unlocks successfully submodule, if for the second fingerprint template fingerprint authentication success, it is determined that unlock successfully；
6th fingerprint authentication submodule, if for the second fingerprint template fingerprint authentication failure, using first fingerprint
Template carries out fingerprint authentication；
5th unlocks successfully submodule, if for the first fingerprint template fingerprint authentication success, it is determined that unlock successfully；
4th unblock failure submodule, if for the first fingerprint template fingerprint authentication failure, it is determined that unblock failure.
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| CN201710434672.7A CN107180182A (en) | 2017-06-09 | 2017-06-09 | A kind of unlocked by fingerprint method and apparatus |
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| CN201710434672.7A CN107180182A (en) | 2017-06-09 | 2017-06-09 | A kind of unlocked by fingerprint method and apparatus |
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| CN107644220A (en) * | 2017-09-30 | 2018-01-30 | 上海摩软通讯技术有限公司 | the fingerprint identification method and system of mobile terminal |
| CN107679387A (en) * | 2017-11-10 | 2018-02-09 | 北方民族大学 | A kind of identity identifying method and device based on finger-print cipher |
| CN109359616A (en) * | 2018-10-30 | 2019-02-19 | 上海海栎创微电子有限公司 | A kind of pseudo- splicing small size algorithm for recognizing fingerprint based on SIFT |
| CN111144323A (en) * | 2019-12-28 | 2020-05-12 | 广东智冠信息技术股份有限公司 | Palm vein biological feature recognition registry self-adaptive change method |
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| CN106682608A (en) * | 2016-12-23 | 2017-05-17 | 努比亚技术有限公司 | Fingerprint matching device and method |
| CN106778222A (en) * | 2016-12-20 | 2017-05-31 | 北京小米移动软件有限公司 | Unlocking method and device |
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| CN106201288A (en) * | 2016-07-04 | 2016-12-07 | 广东欧珀移动通信有限公司 | Storage method, device and the mobile terminal of a kind of finger print information |
| CN106778222A (en) * | 2016-12-20 | 2017-05-31 | 北京小米移动软件有限公司 | Unlocking method and device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107644220A (en) * | 2017-09-30 | 2018-01-30 | 上海摩软通讯技术有限公司 | the fingerprint identification method and system of mobile terminal |
| CN107644220B (en) * | 2017-09-30 | 2021-03-05 | 上海摩软通讯技术有限公司 | Fingerprint identification method and system of mobile terminal |
| CN107679387A (en) * | 2017-11-10 | 2018-02-09 | 北方民族大学 | A kind of identity identifying method and device based on finger-print cipher |
| CN109359616A (en) * | 2018-10-30 | 2019-02-19 | 上海海栎创微电子有限公司 | A kind of pseudo- splicing small size algorithm for recognizing fingerprint based on SIFT |
| CN109359616B (en) * | 2018-10-30 | 2021-02-05 | 上海海栎创科技股份有限公司 | Pseudo-concatenation small-size fingerprint identification algorithm based on SIFT |
| CN111144323A (en) * | 2019-12-28 | 2020-05-12 | 广东智冠信息技术股份有限公司 | Palm vein biological feature recognition registry self-adaptive change method |
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