CN107066858A - A kind of unlocked by fingerprint method and mobile terminal - Google Patents
A kind of unlocked by fingerprint method and mobile terminal Download PDFInfo
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- CN107066858A CN107066858A CN201710141337.8A CN201710141337A CN107066858A CN 107066858 A CN107066858 A CN 107066858A CN 201710141337 A CN201710141337 A CN 201710141337A CN 107066858 A CN107066858 A CN 107066858A
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- Prior art keywords
- fingerprint
- image
- quality evaluation
- unlocked
- mobile terminal
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/542—Event management; Broadcasting; Multicasting; Notifications
Abstract
The embodiments of the invention provide a kind of unlocked by fingerprint method and mobile terminal, its method includes：When mobile terminal is in black state and finger print identifying pattern, TA gathers target fingerprint image, and carry out image quality evaluation, obtain image quality evaluation values, picture quality message is adjusted back and gives unlocked by fingerprint application, when image quality evaluation values are more than preset quality Evaluation threshold, unlocked by fingerprint application marks this finger print identifying to be unlocked for blank screen, TA is notified to carry out finger print identifying operation to target fingerprint image, TA sends the authentication result message of finger print identifying operation to Fingerprint Service, when authentication result message is certification success and mobile terminal is in black state, locking screen interface is set to transparence by Fingerprint Service, PMS is notified to perform bright screen operation, simultaneously, unlocked by fingerprint application is notified to perform unblock operation.Locking screen interface is may be implemented in by the embodiment of the present invention to be arranged to after transparence, meanwhile, bright screen operation and unblock operation are performed, thus, unlocked by fingerprint efficiency can be improved.
Description
Technical field
The present invention relates to electronic device field, and in particular to a kind of unlocked by fingerprint method and mobile terminal.
Background technology
As information technology is fast-developing, mobile terminal (such as mobile phone, tablet personal computer) is used and increasingly popularized.Come at present
See, the standard configuration of major producers is turned into the progressively popularization of fingerprint recognition and safe practice, and in mobile terminal.Prior art
In, after fingerprint image has been gathered, finger print identifying operation is carried out to the fingerprint image (i.e. by fingerprint image with prestoring
Fingerprint template is matched), you can after finger print identifying is operated successfully, it is believed that finger print identifying passes through, then just perform unblock
Screen is operated and lighted, elapsed time is required to because unblock operates and lights screen, thus, reduce unlocked by fingerprint efficiency.
The content of the invention
The embodiments of the invention provide a kind of unlocked by fingerprint method and mobile terminal, unlocked by fingerprint efficiency can be improved.
First aspect of the embodiment of the present invention provides a kind of unlocked by fingerprint method, applied to applying, refer to including unlocked by fingerprint
Line trusted application TA and fingerprinting service Fingerprint Service mobile terminal, including：
When the mobile terminal is in black state and finger print identifying pattern, the TA gathers target fingerprint image, right
The target fingerprint image carries out image quality evaluation, obtains image quality evaluation values；
The TA adjusts back picture quality message to the unlocked by fingerprint application, and described image quality information carries the figure
As quality evaluation value；
When described image quality evaluation value in described image quality information is more than preset quality Evaluation threshold, the finger
Line unblock application marks this finger print identifying to be unlocked for blank screen, notifies the TA to carry out finger print identifying to the target fingerprint image
Operation；
The TA sends the authentication result message of the finger print identifying operation to the Fingerprint Service；
It is at certification success and the mobile terminal in the Fingerprint Service authentication result messages received
When black state, the locking screen interface of the mobile terminal is set to transparence, notifies power management services PMS to perform bright screen
Operation, meanwhile, notify the unlocked by fingerprint application to perform unblock operation.
Second aspect of the embodiment of the present invention provide a kind of mobile terminal, the mobile terminal include unlocked by fingerprint application,
Fingerprint trusted application TA and fingerprinting service Fingerprint Service, wherein,
The TA, for when the mobile terminal is in black state and finger print identifying pattern, gathering target fingerprint figure
Picture, carries out image quality evaluation to the target fingerprint image, obtains image quality evaluation values；
The TA also particularly useful for：
Picture quality message is adjusted back to the unlocked by fingerprint application, described image quality information carries described image quality
Evaluation of estimate；
The unlocked by fingerprint application, is more than default for the described image quality evaluation value in described image quality information
During quality evaluation threshold value, mark this finger print identifying to be unlocked for blank screen, notify the TA to refer to the target fingerprint image
Line authentication operation；
The TA also particularly useful for：
The authentication result message of the finger print identifying operation is sent to the Fingerprint Service；
The Fingerprint Service, for being certification success and the movement in the authentication result message received
When terminal is in black state, the locking screen interface of the mobile terminal is set to transparence, notifies power management services PMS to hold
Row bright screen is operated, meanwhile, notify the unlocked by fingerprint application to perform unblock operation.The third aspect of the embodiment of the present invention provides one
Mobile terminal is planted, including：
Processor and memory；Wherein, the processor is by calling the code in the memory or instructing to perform
The some or all of step of method described by first aspect.
Implement the embodiment of the present invention, have the advantages that：
As can be seen that by the embodiment of the present invention, when mobile terminal is in black state and finger print identifying pattern, TA is adopted
Collect target fingerprint image, image quality evaluation is carried out to target fingerprint image, image quality evaluation values is obtained, picture quality is disappeared
Breath readjustment is to the unlocked by fingerprint application, and the picture quality message carries image quality evaluation values, big in image quality evaluation values
When preset quality Evaluation threshold, unlocked by fingerprint application marks this finger print identifying to be unlocked for blank screen, notifies TA to target fingerprint
Image carries out finger print identifying operation, and TA sends the authentication result message that finger print identifying is operated to Fingerprint Service,
When the authentication result message that Fingerprint Service are received is that certification succeeds and mobile terminal is in black state, it will move
The locking screen interface of dynamic terminal is set to transparence, notifies power management services PMS to perform bright screen operation, meanwhile, notify fingerprint solution
Lock application performs unblock operation.It is arranged in this way, may be implemented in locking screen interface after transparence, meanwhile, perform bright screen operation
Operated with unblock, thus, unlocked by fingerprint efficiency can be improved.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is a kind of first embodiment schematic flow sheet of unlocked by fingerprint method provided in an embodiment of the present invention；
Fig. 2 is a kind of second embodiment schematic flow sheet of unlocked by fingerprint method provided in an embodiment of the present invention；
Fig. 3 is a kind of 3rd embodiment schematic flow sheet of unlocked by fingerprint method provided in an embodiment of the present invention；
Fig. 4 is a kind of fourth embodiment schematic flow sheet of unlocked by fingerprint method provided in an embodiment of the present invention；
Fig. 5 is a kind of first embodiment structural representation of mobile terminal provided in an embodiment of the present invention；
Fig. 6 is a kind of second embodiment structural representation of mobile terminal provided in an embodiment of the present invention；
Fig. 7 is a kind of example structure schematic diagram of mobile phone provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Term " first ", " second ", " the 3rd " in description and claims of this specification and the accompanying drawing and "
Four " etc. be to be used to distinguish different objects, rather than for describing particular order.In addition, term " comprising " and " having " and it
Any deformation, it is intended that covering non-exclusive is included.For example contain the process of series of steps or unit, method, be
The step of system, product or equipment are not limited to list or unit, but the step of alternatively also include not listing or list
Member, or alternatively also include for the intrinsic other steps of these processes, method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can be wrapped in conjunction with the embodiments
In at least one embodiment of the present invention.It is identical that each position in the description shows that the phrase might not be each meant
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Mobile terminal described by the embodiment of the present invention can include smart mobile phone (such as Android phone), tablet personal computer, the palm
Upper computer, notebook computer, mobile internet device (MID, Mobile Internet Devices) or Wearable etc.,
Above-mentioned is only citing, and non exhaustive, including but not limited to above-mentioned mobile terminal.Need explanation when, the embodiment of the present invention is only
It is adapted to the mobile terminal for being provided with Android operation system.Wherein, fingerprint TA is the credible performing environment of mobile terminal
Trusted application in the application that (Trust Execution Environment, TEE) corresponding SOS is supported.
TEE provides trusted application TA secure execution environments, while also confidentiality, integrality and the visit of protection TA resource and data
Ask authority.In order to ensure the trusted roots of TEE in itself, TEE is to be operated by checking and with Android in secure launch process
Isolation of system.In TEE, each TA is separate, and can not mutually be accessed in the case of unauthorized.Fingerprint is known
Other module can be arranged at the front or the back side or side of mobile terminal, tool of the embodiment of the present invention to fingerprint recognition module
Body composition form and position do not do unique restriction.
Referring to Fig. 1, being a kind of first embodiment schematic flow sheet of unlocked by fingerprint method provided in an embodiment of the present invention.
Unlocked by fingerprint method described in the present embodiment, comprises the following steps：
101st, when mobile terminal is in black state and finger print identifying pattern, TA collection target fingerprint images, to target
Fingerprint image carries out image quality evaluation, obtains image quality evaluation values.
Wherein, the embodiment of the present invention is mainly used in blank screen unblock, i.e. mobile terminal and is under black state, in the state
Under, fingerprint recognition module is in finger print identifying pattern, and when even TA collects fingerprint image, the fingerprint image can be carried out
Finger print identifying, will the fingerprint image matched with preset fingerprint template, wherein, preset fingerprint template perform step 101
Before by the prior typing of user, in the fingerprint image and the success of preset fingerprint images match, then the fingerprint image finger print identifying
Success, when the fingerprint image and preset fingerprint images match fail, then the fingerprint image finger print identifying fails.
In the specific implementation, there is certain requirement to the fingerprint image collected, that is, require the picture quality of fingerprint image not
Can be too poor, otherwise, fingerprint recognition efficiency is not only reduced, and also increase the power consumption of mobile terminal.
Wherein, it is above-mentioned that the progress image quality evaluation of target fingerprint image can be adopted with the following method.At least one can be used
Image quality evaluation index carries out image quality evaluation to target fingerprint image respectively, obtains image quality evaluation values, wherein, figure
As quality evaluation index may include but be not limited only to：Average gray, mean square deviation, entropy, edge conservation degree, signal to noise ratio etc..It can recognize
Bigger for obtained image quality evaluation values, then picture quality is better.
It should be noted that due to when use single evaluation index is evaluated picture quality, with certain limitation
Property, therefore, picture quality can be evaluated using multiple images quality evaluation index, certainly, picture quality is evaluated
When, not image quality evaluation index is The more the better, because image quality evaluation index is more, the meter of image quality assessment process
Calculate complexity higher, it is better also to may not be certain image quality evaluation effect, therefore, higher situation is being required to image quality evaluation
Under, picture quality can be evaluated using 2~10 image quality evaluation indexs.Specifically, image quality evaluation is chosen to refer to
Target number and which index, depending on the situation that implements.Certainly, specifically scene selection picture quality must be also combined to comment
Valency index, carries out carrying out the image quality index of image quality evaluation selection under image quality evaluation and bright ring border under dark situation
Can be different.
Alternatively, in the case of not high to image quality evaluation required precision, an image quality evaluation index can be used
Evaluated, for example, carrying out image quality evaluation values to pending image with entropy, it is believed that entropy is bigger, then illustrates picture quality
It is better, on the contrary, entropy is smaller, then illustrate that picture quality is poorer.
Alternatively, in the case of higher to image quality evaluation required precision, multiple images quality evaluation can be used
Index is evaluated pending image, and image quality evaluation is carried out to target fingerprint image in multiple images quality evaluation index
When, the weight of each image quality evaluation index in the plurality of image quality evaluation index can be set, multiple images matter is can obtain
Evaluation of estimate is measured, final image quality evaluation values, example can obtain according to the plurality of image quality evaluation values and its corresponding weight
Such as, three image quality evaluation indexs are respectively：A indexs, B indexs and C indexs, A weight is a1, and B weight is a2, C's
Weight is a3, when carrying out image quality evaluation to a certain image using A, B and C, and the corresponding image quality evaluation values of A are b1, B couples
The image quality evaluation values answered are b2, and the corresponding image quality evaluation values of C are b3, then, last image quality evaluation values=
a1b1+a2b2+a3b3.Under normal circumstances, image quality evaluation values are bigger, illustrate that picture quality is better.
Alternatively, in above-mentioned steps 102, image quality evaluation is carried out to the target fingerprint image, comprised the following steps：
21), when the target fingerprint image is not for the fingerprint image of dry finger or wet finger, to the target fingerprint figure
As carrying out image quality evaluation；
22), when the target fingerprint image is the fingerprint image of dry finger or wet finger, to the target fingerprint image
Image enhancement processing is carried out, image quality evaluation is carried out to the target fingerprint image after image enhancement processing.
In the specific implementation, and the fingerprint image of wet finger due to the fingerprint lines in the fingerprint image of dry finger intermittently
The fingerprint image larger area fingerprint lines obfuscation of picture, is almost hard to tell fingerprint lines, thus, can be by entering to fingerprint image
Row analysis, obtain the patterned feature of fingerprint image, according to the patterned feature judge fingerprint image whether come from dry finger or
The wet finger of person.For example, can by the patterned feature of the image that takes the fingerprint, with judge fingerprint image whether come from dry finger or
Wet finger.If intermittently, the fingerprint image belongs to dry finger to the lines of fingerprint image, if occurring larger face in fingerprint image
During long-pending fingerprint lines obfuscation, then the fingerprint image belongs to wet finger.
Wherein, can be directly to target fingerprint figure when target fingerprint image is not for the fingerprint image of dry finger or wet finger
As carrying out image quality evaluation.When target fingerprint image is the fingerprint image of dry finger or wet finger, to target fingerprint image
Image enhancement processing is carried out, image quality evaluation is carried out to the target fingerprint image after image enhancement processing.Above-mentioned image enhaucament
Processing may include but be not limited only to：Histogram equalization, wavelet transformation, gray scale stretching, image restoration, laplacian pyramid become
Change etc..
102nd, picture quality message is adjusted back and gives unlocked by fingerprint application by TA, and the picture quality message carries image quality evaluation
Value.
Wherein, above-mentioned image quality evaluation can be carried on picture quality message by TA, and by bottom layer driving by the image
Quality information is adjusted back applies (such as Keyguard) to unlocked by fingerprint.Above-mentioned picture quality message may also include in following content extremely
One item missing：Whether picture quality is good, whether image area is sufficiently large, fingerprint recognition module has greasy dirt etc..Match image process
After the completion of, finger print identifying success can be adjusted back or authentification failure message gives unlocked by fingerprint application.
103rd, when the image quality evaluation values in picture quality message are more than preset quality Evaluation threshold, unlocked by fingerprint should
With marking this finger print identifying to be that blank screen is unlocked, TA is notified to carry out finger print identifying operation to target fingerprint image.
Wherein, above-mentioned preset quality Evaluation threshold can voluntarily be set or system default by user.
Alternatively, the described image quality evaluation value in described image quality information is less than or equal to the preset quality
During Evaluation threshold, this described finger print identifying is terminated.Do not perform and the fingerprint image and preset fingerprint template are subjected to fingerprint
With operation.
104th, TA sends the authentication result message of finger print identifying operation to Fingerprint Service.
Wherein, TA can be matched target fingerprint image with preset fingerprint template, when the match is successful, to
Fingerprint Service send the successful authentication result message of certification, when it fails to match, to Fingerprint
Service sends the authentication result message of authentification failure.
105th, it is that certification is successful and mobile terminal is in black in the Fingerprint Service authentication result messages received
During screen state, the locking screen interface of mobile terminal is set to transparence, notifies power management services PMS to perform bright screen operation, together
When, notify unlocked by fingerprint application to perform unblock operation.
Wherein, it is that certification is successful and mobile terminal is in the Fingerprint Service authentication result messages received
During black state, the locking screen interface of mobile terminal can be set to transparence by Fingerprint Service, can after completion
Power is notified to perform bright screen operation, above-mentioned notice power management services (Power Management Service, PMS) perform
Bright screen is operated, meanwhile, notify unlocked by fingerprint application to perform unblock operation, it can be understood as, performed, notified using a process
PMS performs bright screen operation, and another process is performed, and notifies unlocked by fingerprint application to perform unblock operation, or, it can be understood as：
Performed using a thread, notify PMS to perform bright screen operation, another thread is performed, notify unlocked by fingerprint application to perform unblock
Operation.In the embodiment of the present invention, due to being set to be arranged to after transparence in locking screen interface, meanwhile, perform bright screen operation
Operated with unblock, thus, unlocked by fingerprint efficiency can be improved.In practical application, the embodiments of the present invention, because unblock was operated
Cheng Zhongke, which is optimized to after about 200ms or so, i.e. transparence to perform to unlock, operates 200ms to complete, and therefore, user is not
There is any deleterious effect of generation, on the contrary, allow user to feel unblock speed quickly, improve Consumer's Experience.
As can be seen that by the embodiment of the present invention, when mobile terminal is in black state and finger print identifying pattern, TA is adopted
Collect target fingerprint image, image quality evaluation is carried out to target fingerprint image, image quality evaluation values is obtained, picture quality is disappeared
Breath readjustment is to the unlocked by fingerprint application, and the picture quality message carries image quality evaluation values, big in image quality evaluation values
When preset quality Evaluation threshold, unlocked by fingerprint application marks this finger print identifying to be unlocked for blank screen, notifies TA to target fingerprint
Image carries out finger print identifying operation, and TA sends the authentication result message that finger print identifying is operated to Fingerprint Service,
When the authentication result message that Fingerprint Service are received is that certification succeeds and mobile terminal is in black state, it will move
The locking screen interface of dynamic terminal is set to transparence, notifies power management services PMS to perform bright screen operation, meanwhile, notify fingerprint solution
Lock application performs unblock operation.It is arranged in this way, may be implemented in locking screen interface after transparence, meanwhile, perform bright screen operation
Operated with unblock, thus, unlocked by fingerprint efficiency can be improved.
Consistent with the abovely, referring to Fig. 2, second for a kind of unlocked by fingerprint method provided in an embodiment of the present invention implements
Example schematic flow sheet.Unlocked by fingerprint method described in the present embodiment, comprises the following steps：
201st, when mobile terminal is in black state and finger print identifying pattern, TA detections touch touching for fingerprint recognition module
Dynamics is touched more than the first predetermined threshold value.
Wherein, above-mentioned first predetermined threshold value can voluntarily be set or system default by user.Blank screen is in mobile terminal
When state and finger print identifying pattern, the touching intensity for touching the fingerprint recognition module is can detect, and whether judge the touching intensity
More than above-mentioned first predetermined threshold value.If touching intensity is too small, it can be regarded as fingerprint recognition module and do not touched, in this way, can drop
Low fingerprint recognition module is by false touch.
Alternatively, when mobile terminal is in black state and finger print identifying pattern, touching for fingerprint recognition module is being touched
When touching dynamics more than the first predetermined threshold value, step 202 is can perform, is less than or equal in the touching intensity for touching fingerprint recognition module
During above-mentioned first predetermined threshold value, then it is believed that fingerprint recognition module is not touched, in this way, can be without gathering fingerprint image.
202nd, when touching intensity is more than the first predetermined threshold value, TA judges to touch the touch area of the fingerprint recognition module
Whether the second predetermined threshold value is more than.
Wherein, above-mentioned second predetermined threshold value can voluntarily be set or system default by user.It is more than first in touching intensity
During predetermined threshold value, it can determine whether whether the touch area for touching fingerprint recognition module is more than the second predetermined threshold value, in fingerprint matching
Cheng Zhong, if fingerprint image area is too small, the match is successful that rate is relatively low for it, thus, touching the touch surface of fingerprint recognition module
During product smaller (being less than or equal to above-mentioned second predetermined threshold value), then it is believed that fingerprint recognition module is by false touch, in this way, can be without adopting
Collect fingerprint image.When the touch area for touching fingerprint recognition module is more than above-mentioned second predetermined threshold value, then step is can perform
203。
203rd, when touching area more than the second predetermined threshold value, TA collection target fingerprint images enter to target fingerprint image
Row image quality evaluation, obtains image quality evaluation values.
204th, picture quality message is adjusted back and gives unlocked by fingerprint application by TA, and the picture quality message carries image quality evaluation
Value.
205th, when the image quality evaluation values in picture quality message are more than preset quality Evaluation threshold, unlocked by fingerprint should
With marking this finger print identifying to be that blank screen is unlocked, TA is notified to carry out finger print identifying operation to target fingerprint image.
206th, TA sends the authentication result message of finger print identifying operation to Fingerprint Service.
207th, it is that certification is successful and mobile terminal is in black in the Fingerprint Service authentication result messages received
During screen state, the locking screen interface of mobile terminal is set to transparence, notifies power management services PMS to perform bright screen operation, together
When, notify unlocked by fingerprint application to perform unblock operation.
Wherein, the specific descriptions of above-mentioned steps 203- steps 207 can refer to the correspondence of the unlocked by fingerprint method described by Fig. 1
Step, will not be repeated here.
It is arranged to as can be seen that implementing the embodiments of the present invention and may be implemented in locking screen interface after transparence, meanwhile,
Bright screen operation and unblock operation are performed, thus, unlocked by fingerprint efficiency can be improved.It is, of course, also possible to carry out false-touch prevention, that is, need full
Enough during certain requirement, fingerprint image can be just collected.
Consistent with the abovely, referring to Fig. 3, for a kind of unlocked by fingerprint method provided in an embodiment of the present invention the 3rd implements
Example schematic flow sheet.Unlocked by fingerprint method described in the present embodiment, comprises the following steps：
301st, when mobile terminal is in black state and finger print identifying pattern, TA collection target fingerprint images, to target
Fingerprint image carries out image quality evaluation, obtains image quality evaluation values.
302nd, TA judges whether image quality evaluation values are more than the 3rd predetermined threshold value.
Wherein, above-mentioned 3rd predetermined threshold value can voluntarily be set or system default by user.3rd predetermined threshold value can be one
Individual empirical value, certainly, the 3rd predetermined threshold value do not have absolute relevance with following preset quality Evaluation thresholds.That is, the 3rd presets
Threshold value can be more than following preset quality Evaluation thresholds, or, the 3rd predetermined threshold value may be less than or equal to preset quality Evaluation threshold.
When image quality evaluation values are too small, then it is believed that the picture quality of fingerprint image is poor, thus, finger print identifying mistake can be terminated
Journey.
303rd, when image quality evaluation values are more than three predetermined threshold values, TA adjusts back picture quality message to unlocked by fingerprint
Using the picture quality message carries image quality evaluation values.
304th, when the image quality evaluation values in picture quality message are more than preset quality Evaluation threshold, unlocked by fingerprint should
With marking this finger print identifying to be that blank screen is unlocked, TA is notified to carry out finger print identifying operation to target fingerprint image.
305th, TA sends the authentication result message of finger print identifying operation to Fingerprint Service.
306th, it is that certification is successful and mobile terminal is in black in the Fingerprint Service authentication result messages received
During screen state, the locking screen interface of mobile terminal is set to transparence, notifies power management services PMS to perform bright screen operation, together
When, notify unlocked by fingerprint application to perform unblock operation.
Wherein, above-mentioned steps 301, the specific descriptions of step 303- steps 306 can refer to the unlocked by fingerprint side described by Fig. 1
The corresponding step of method, will not be repeated here.
It is arranged to as can be seen that implementing the embodiments of the present invention and may be implemented in locking screen interface after transparence, meanwhile,
Bright screen operation and unblock operation are performed, thus, unlocked by fingerprint efficiency can be improved.It is, of course, also possible to ensure in the fingerprint collected
When picture quality is good enough, it just can smoothly implement the embodiment of the present invention, thus, it is possible to decrease the power consumption of mobile terminal.
Consistent with the abovely, referring to Fig. 4, for a kind of unlocked by fingerprint method provided in an embodiment of the present invention the 4th implements
Example schematic flow sheet.Unlocked by fingerprint method described in the present embodiment, comprises the following steps：
401st, when mobile terminal is in black state and finger print identifying pattern, TA collection target fingerprint images, to target
Fingerprint image carries out image quality evaluation, obtains image quality evaluation values.
403rd, picture quality message is adjusted back and gives unlocked by fingerprint application by TA, and the picture quality message carries image quality evaluation
Value.
403rd, when the image quality evaluation values in picture quality message are more than preset quality Evaluation threshold, unlocked by fingerprint should
With marking this finger print identifying to be that blank screen is unlocked, TA is notified to carry out finger print identifying operation to target fingerprint image.
404th, TA sends the authentication result message of finger print identifying operation to Fingerprint Service.
405th, it is that certification is successful and mobile terminal is in black in the Fingerprint Service authentication result messages received
During screen state, the locking screen interface of mobile terminal is set to transparence, notifies power management services PMS to perform bright screen operation, together
When, notify unlocked by fingerprint application to perform unblock operation.
Wherein, the specific descriptions of above-mentioned steps 401- steps 405 can refer to the correspondence of the fingerprint register method described by Fig. 1
Step, will not be repeated here.
406th, the authentication result message received in Fingerprint Service is in black for authentification failure and mobile terminal
During screen state, PMS is notified to light the screen of mobile terminal.
Wherein, the authentication result message received in Fingerprint Service is in for authentification failure and mobile terminal
During black state, then it is believed that fingerprint image is during fingerprint matching, it fails to match, in this way, can notify PMS is lighted mobile whole
The screen at end, it is, of course, also possible to show that this finger print identifying fails on the screen of the mobile terminal, to point out user to re-enter
Fingerprint image.
It is arranged to as can be seen that implementing the embodiments of the present invention and may be implemented in locking screen interface after transparence, meanwhile,
Bright screen operation and unblock operation are performed, thus, unlocked by fingerprint efficiency can be improved.
Consistent with the abovely, device below for the above-mentioned unlocked by fingerprint method of implementation, specific as follows：
Referring to Fig. 5, being a kind of first embodiment structural representation of mobile terminal provided in an embodiment of the present invention.This reality
The mobile terminal described in example is applied, the mobile terminal may include that fingerprint trusted application TA501, unlocked by fingerprint apply 502 and
Fingerprinting service Fingerprint Service503, wherein,
The TA501, for when the mobile terminal is in black state and finger print identifying pattern, gathering target fingerprint
Image, carries out image quality evaluation to the target fingerprint image, obtains image quality evaluation values；
The TA501 also particularly useful for：
Picture quality message is adjusted back and applies 502 to the unlocked by fingerprint, described image quality information carries described image
Quality evaluation value；
The unlocked by fingerprint applies 502, is more than for the described image quality evaluation value in described image quality information
During preset quality Evaluation threshold, mark this finger print identifying to be unlocked for blank screen, notify the TA501 to the target fingerprint image
Carry out finger print identifying operation；
The TA501 also particularly useful for：
The authentication result message of the finger print identifying operation is sent to the Fingerprint Service503；
The Fingerprint Service503, for being certification success and the shifting in the authentication result message received
When dynamic terminal is in black state, the locking screen interface of the mobile terminal is set to transparence, power management services PMS is notified
Bright screen operation is performed, meanwhile, notify the unlocked by fingerprint to perform unblock operation using 502.
Alternatively, the TA501 is to the specific implementation of target fingerprint image progress image quality evaluation：
When the target fingerprint image is not for the fingerprint image of dry finger or wet finger, the target fingerprint image is entered
Row image quality evaluation；
When the target fingerprint image is the fingerprint image of dry finger or wet finger, the target fingerprint image is carried out
Image enhancement processing, image quality evaluation is carried out to the target fingerprint image after image enhancement processing.
Alternatively, the TA501 also particularly useful for
Whether the touching intensity that detection touches fingerprint recognition module is more than the first predetermined threshold value, is more than in the touching intensity
During first predetermined threshold value, judge whether the touch area for touching the fingerprint recognition module is more than the second predetermined threshold value,
When the touch area is more than second predetermined threshold value, the collection target fingerprint image is performed.
Alternatively, the TA501 also particularly useful for：
Image quality evaluation is being carried out to the target fingerprint image, is obtaining after image quality evaluation values, judges described
Whether image quality evaluation values are more than the 3rd predetermined threshold value, are more than the 3rd predetermined threshold value in described image quality evaluation value
When, execution is described to adjust back picture quality message to the unlocked by fingerprint application.
Alternatively, the Fingerprint Service503 also particularly useful for：
When the authentication result message received is authentification failure and the mobile terminal is in black state, notify described
PMS lights the screen of the mobile terminal.
As can be seen that by the mobile terminal described by the embodiment of the present invention, when mobile terminal is in black state and refers to
During line certification mode, TA collection target fingerprint images carry out image quality evaluation to target fingerprint image, obtain picture quality and comment
Value, picture quality message is adjusted back to the unlocked by fingerprint application, and the picture quality message carries image quality evaluation values,
When image quality evaluation values are more than preset quality Evaluation threshold, unlocked by fingerprint application marks this finger print identifying to be unlocked for blank screen,
TA is notified to carry out finger print identifying operation to target fingerprint image, TA sends finger print identifying to Fingerprint Service and operated
Authentication result message, the authentication result message received in Fingerprint Service for certification success and mobile terminal at
When black state, the locking screen interface of mobile terminal is set to transparence, notifies power management services PMS to perform bright screen behaviour
Make, meanwhile, notify unlocked by fingerprint application to perform unblock operation.It is arranged in this way, may be implemented in locking screen interface after transparence,
Meanwhile, bright screen operation and unblock operation are performed, thus, unlocked by fingerprint efficiency can be improved.
Consistent with the abovely, referring to Fig. 6, being a kind of second embodiment knot of mobile terminal provided in an embodiment of the present invention
Structure schematic diagram.Mobile terminal described in the present embodiment, including：At least one input equipment 1000；At least one output is set
Standby 2000；At least one processor 3000, such as CPU；With memory 4000, above-mentioned input equipment 1000, output equipment 2000,
Processor 3000 and memory 4000 are connected by bus 5000.
Wherein, above-mentioned input equipment 1000 concretely contact panel, physical button or mouse.
Above-mentioned output equipment 2000 concretely display screen.
Wherein, unlocked by fingerprint is applied and fingerprint trusted application TA, Fingerprint Service can be by mobile terminal
Processor or controller are called, and the processor or controller for example can be central processing unit (Central
Processing Unit, CPU), general processor, digital signal processor (Digital Signal Processor, DSP),
Application specific integrated circuit (Application-Specific Integrated Circuit, ASIC), field programmable gate array
It is (Field Programmable Gate Array, FPGA) or other PLDs, transistor logic, hard
Part part or its any combination.What it can realize or perform with reference to described by the disclosure of invention various exemplary patrols
Collect square frame, module and circuit.The processor can also be the combination for realizing computing function, such as comprising one or more micro- places
Manage device combination, combination of DSP and microprocessor etc..
Above-mentioned memory 4000 can be high-speed RAM memory, or nonvolatile storage (non-volatile
Memory), such as magnetic disk storage.Above-mentioned memory 4000 is used to store batch processing code, above-mentioned input equipment 1000, defeated
Going out equipment 2000 and processor 3000 is used to call the program code stored in memory 4000, performs following operation：
When the mobile terminal is in black state and finger print identifying pattern, the TA gathers target fingerprint image, right
The target fingerprint image carries out image quality evaluation, obtains image quality evaluation values；
The TA adjusts back picture quality message to the unlocked by fingerprint application, and described image quality information carries the figure
As quality evaluation value；
When described image quality evaluation value in described image quality information is more than preset quality Evaluation threshold, the finger
Line unblock application marks this finger print identifying to be unlocked for blank screen, notifies the TA to carry out finger print identifying to the target fingerprint image
Operation；
The TA sends the authentication result message of the finger print identifying operation to the Fingerprint Service；
It is at certification success and the mobile terminal in the Fingerprint Service authentication result messages received
When black state, the locking screen interface of the mobile terminal is set to transparence, notifies power management services PMS to perform bright screen
Operation, meanwhile, notify the unlocked by fingerprint application to perform unblock operation.
Alternatively, it is described to target fingerprint image progress image quality evaluation, including：
When the target fingerprint image is not for the fingerprint image of dry finger or wet finger, the target fingerprint image is entered
Row image quality evaluation；
When the target fingerprint image is the fingerprint image of dry finger or wet finger, the target fingerprint image is carried out
Image enhancement processing, image quality evaluation is carried out to the target fingerprint image after image enhancement processing.
Alternatively, whether the touching intensity of the TA detections touch fingerprint recognition module is more than the first predetermined threshold value, in institute
When stating touching intensity more than first predetermined threshold value, whether judge to touch the touch area of the fingerprint recognition module more than the
Two predetermined threshold values, when the touch area is more than second predetermined threshold value, perform the collection target fingerprint image.
Alternatively, it is described to the target fingerprint image carry out image quality evaluation, obtain image quality evaluation values it
Afterwards, and it is described by picture quality message adjust back application to the unlocked by fingerprint before, methods described also includes：
The TA judges whether described image quality evaluation value is more than the 3rd predetermined threshold value, in described image quality evaluation value
During more than three predetermined threshold value, execution is described to adjust back picture quality message to the unlocked by fingerprint application.
Alternatively, it is authentification failure and the shifting in the Fingerprint Service authentication result messages received
When dynamic terminal is in black state, the PMS is notified to light the screen of the mobile terminal.
Fig. 7 is illustrated that the block diagram of the part-structure of the mobile phone related to mobile terminal provided in an embodiment of the present invention.Ginseng
Fig. 7 is examined, mobile phone includes：Radio frequency (Radio Frequency, RF) circuit 710, memory 720, input block 730, display unit
740th, sensor 750, voicefrequency circuit 760, Wireless Fidelity (Wireless Fidelity, Wi-Fi) module 770, processor 780,
And the grade part of power supply 790.It will be understood by those skilled in the art that the handset structure shown in Fig. 7 is not constituted to mobile phone
Limit, can include than illustrating more or less parts, either combine some parts or different parts arrangement.
Each component parts of mobile phone is specifically introduced with reference to Fig. 7：
RF circuits 710 can be used for receive and send messages or communication process in, the reception and transmission of signal, especially, by base station
After downlink information is received, handled to processor 780；In addition, being sent to base station by up data are designed.Generally, RF circuits 710
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise
Amplifier, LNA), duplexer etc..In addition, RF circuits 710 can also be communicated by radio communication with network and other equipment.
Above-mentioned radio communication can use any communication standard or agreement, including but not limited to global system for mobile communications (Global
System of Mobile communication, GSM), general packet radio service (General Packet Radio
Service, GPRS), CDMA (Code Division Multiple Access, CDMA), WCDMA
(Wideband Code Division Multiple Access, WCDMA), Long Term Evolution (Long Term Evolution,
LTE), Email, Short Message Service (Short Messaging Service, SMS) etc..
Memory 720 can be used for storage software program and module, and processor 780 is stored in memory 720 by operation
Software program and module, so as to perform various function application and the data processing of mobile phone.Memory 720 can mainly include
Storing program area and storage data field, wherein, the application journey that storing program area can be needed for storage program area, at least one function
Sequence (such as sound-playing function, image player function etc.) etc.；Storage data field can be stored uses what is created according to mobile phone
Data (such as voice data, phone directory etc.) etc..In addition, memory 720 can include high-speed random access memory, can be with
Including nonvolatile memory, for example, at least one disk memory, flush memory device or other volatile solid-states
Part.
Input block 730 can be used for the numeral or character information for receiving input, and produce with the user of mobile phone set with
And the relevant key signals input of function control.Specifically, input block 730 may include that contact panel 731 and other inputs are set
Standby 732.Contact panel 731, also referred to as touch-screen, collecting touch operation of the user on or near it, (such as user uses
The operation of any suitable object such as finger, stylus or annex on contact panel 731 or near contact panel 731), and root
Corresponding attachment means are driven according to formula set in advance.Optionally, contact panel 731 may include touch detecting apparatus and touch
Two parts of controller.Wherein, touch detecting apparatus detects the touch orientation of user, and detects the signal that touch operation is brought,
Transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into touching
Point coordinates, then give processor 780, and the order sent of reception processing device 780 and can be performed.Furthermore, it is possible to using electricity
The polytypes such as resistive, condenser type, infrared ray and surface acoustic wave realize contact panel 731.Except contact panel 731, input
Unit 730 can also include other input equipments 732.Specifically, other input equipments 732 can include but is not limited to secondary or physical bond
One or more in disk, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Display unit 740 can be used for the various of the information that is inputted by user of display or the information for being supplied to user and mobile phone
Menu.Display unit 740 may include display panel 741, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the form such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure
Show panel 741.Further, contact panel 731 can cover display panel 741, when contact panel 731 is detected thereon or attached
After near touch operation, processor 780 is sent to determine the type of touch event, with preprocessor 780 according to touch event
Type corresponding visual output is provided on display panel 741.Although in the figure 7, contact panel 731 and display panel 741
It is input and the input function that mobile phone is realized as two independent parts, but in some embodiments it is possible to by touch-control
Panel 731 and the input that is integrated and realizing mobile phone of display panel 741 and output function.
Mobile phone may also include at least one sensor 750, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor may include ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to ambient light
Light and shade adjust the brightness of display panel 741, proximity transducer can close display panel 741 when mobile phone is moved in one's ear
And/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (generally three axles) acceleration
Size, size and the direction of gravity are can detect that when static, available for identification mobile phone posture application (such as horizontal/vertical screen is cut
Change, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；May be used also as mobile phone
The other sensors such as gyroscope, barometer, hygrometer, thermometer, the infrared ray sensor of configuration, will not be repeated here.
Voicefrequency circuit 760, loudspeaker 761, microphone 762 can provide the COBBAIF between user and mobile phone.Audio-frequency electric
Electric signal after the voice data received conversion can be transferred to loudspeaker 761, sound is converted to by loudspeaker 761 by road 760
Signal output；On the other hand, the voice signal of collection is converted to electric signal by microphone 762, by voicefrequency circuit 760 receive after turn
It is changed to voice data, then after voice data output processor 780 is handled, through RF circuits 710 to be sent to such as another mobile phone,
Or export voice data to memory 720 so as to further processing.
Wi-Fi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronicses by Wi-Fi module 770
Mail, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 7 is shown
Wi-Fi module 770, but it is understood that, it is simultaneously not belonging to must be configured into for mobile phone, completely can be as needed not
Change in the essential scope of invention and omit.
Processor 780 is the control centre of mobile phone, using various interfaces and the various pieces of connection whole mobile phone, is led to
Cross operation or perform and be stored in software program and/or module in memory 720, and call and be stored in memory 720
Data, perform the various functions and processing data of mobile phone, so as to carry out integral monitoring to mobile phone.Optionally, processor 780 can be wrapped
Include one or more processing units；It is preferred that, processor 780 can integrated application processor and modem processor, wherein, should
Operating system, user interface and application program etc. are mainly handled with processor, modem processor mainly handles radio communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 780.
Mobile phone also includes the power supply 790 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe
Reason system and processor 780 are logically contiguous, so as to realize management charging, electric discharge and power managed by power-supply management system
Etc. function.
Although not shown, mobile phone can also include camera, bluetooth module etc., will not be repeated here.
In previous embodiment, the structure realization that each step method flow can be based on the mobile terminal.Wherein sensor 770
Proximity transducer and humidity sensor can be included, contact panel 731 can be used as fingerprint recognition module.
The embodiment of the present invention also provides a kind of computer-readable storage medium, wherein, the computer-readable storage medium can be stored with journey
Sequence, the program includes the part or all of step of any unlocked by fingerprint method described in the above method embodiment when performing
Suddenly.
Although combining each embodiment herein, invention has been described, however, implementing the present invention for required protection
During, those skilled in the art are by checking the accompanying drawing, disclosure and appended claims, it will be appreciated that and it is real
Other changes of the existing open embodiment.In the claims, the word of " comprising " (comprising) one is not excluded for other compositions
Part or step, "a" or "an" are not excluded for multiple situations.Single processor or other units can realize claim
In some functions enumerating.Mutually different has been recited in mutually different dependent some measures, it is not intended that these are arranged
Apply to combine and produce good effect.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device (equipment) or computer journey
Sequence product.Therefore, in terms of the present invention can be using complete hardware embodiment, complete software embodiment or combination software and hardware
The form of embodiment.Moreover, the present invention can be used in one or more calculating for wherein including computer usable program code
The computer program that machine usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.Computer program is stored/distributed in suitable medium, is provided together with other hardware or as the one of hardware
Part, it would however also be possible to employ other distribution forms, such as passes through the wired or wireless telecommunication systems of Internet or other.
The present invention be with reference to the method for the embodiment of the present invention, device (equipment) and computer program product flow chart with/
Or block diagram is described.It should be understood that can by each flow in computer program instructions implementation process figure and/or block diagram and/
Or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These computer program instructions can be provided
To the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices to produce one
Individual machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for realizing
The device for the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although with reference to specific features and embodiment, invention has been described, it is clear that, do not departing from this hair
In the case of bright spirit and scope, various modifications and combinations can be carried out to it.Correspondingly, the specification and drawings are only institute
The exemplary illustration of the invention that attached claim is defined, and be considered as covered in the scope of the invention any and all and repair
Change, change, combining or equivalent.Obviously, those skilled in the art can to the present invention carry out it is various change and modification without
Depart from the spirit and scope of the present invention.So, if the present invention these modifications and variations belong to the claims in the present invention and its
Within the scope of equivalent technologies, then the present invention is also intended to comprising including these changes and modification.
Claims (11)
1. a kind of unlocked by fingerprint method, it is characterised in that applied to being applied including unlocked by fingerprint, fingerprint trusted application TA and fingerprint
Fingerprint Service mobile terminal is serviced, including：
When the mobile terminal is in black state and finger print identifying pattern, the TA gathers target fingerprint image, to described
Target fingerprint image carries out image quality evaluation, obtains image quality evaluation values；
The TA adjusts back picture quality message to the unlocked by fingerprint application, and described image quality information carries described image matter
Measure evaluation of estimate；
When described image quality evaluation value in described image quality information is more than preset quality Evaluation threshold, the fingerprint solution
Lock application marks this finger print identifying to be unlocked for blank screen, notifies the TA to carry out finger print identifying behaviour to the target fingerprint image
Make；
The TA sends the authentication result message of the finger print identifying operation to the Fingerprint Service；
Succeed in the Fingerprint Service authentication result messages received for certification and the mobile terminal is in black
During screen state, the locking screen interface of the mobile terminal is set to transparence, notifies power management services PMS to perform bright screen behaviour
Make, meanwhile, notify the unlocked by fingerprint application to perform unblock operation.
2. according to the method described in claim 1, it is characterised in that described that target fingerprint image progress picture quality is commented
Valency, including：
When the target fingerprint image is not for the fingerprint image of dry finger or wet finger, the target fingerprint image is schemed
As quality evaluation；
When the target fingerprint image is the fingerprint image of dry finger or wet finger, image is carried out to the target fingerprint image
Enhancing is handled, and image quality evaluation is carried out to the target fingerprint image after image enhancement processing.
3. method according to claim 1 or 2, it is characterised in that methods described also includes：
Whether the touching intensity that the TA detections touch fingerprint recognition module is more than the first predetermined threshold value, big in the touching intensity
When first predetermined threshold value, judge whether the touch area for touching the fingerprint recognition module is more than the second predetermined threshold value,
When the touch area is more than second predetermined threshold value, the collection target fingerprint image is performed.
4. method according to claim 1 or 2, it is characterised in that image is carried out to the target fingerprint image described
Quality evaluation, after obtaining image quality evaluation values, and described adjusts back picture quality message to the unlocked by fingerprint application
Before, methods described also includes：
The TA judges whether described image quality evaluation value is more than the 3rd predetermined threshold value, is more than in described image quality evaluation value
During three predetermined threshold value, execution is described to adjust back picture quality message to the unlocked by fingerprint application.
5. method according to claim 1 or 2, it is characterised in that methods described also includes：
The authentication result message received in the Fingerprint Service is in black for authentification failure and the mobile terminal
During screen state, the PMS is notified to light the screen of the mobile terminal.
6. a kind of mobile terminal, it is characterised in that the mobile terminal includes unlocked by fingerprint application, fingerprint trusted application TA and referred to
Line services Fingerprint Service, wherein,
The TA is right for when the mobile terminal is in black state and finger print identifying pattern, gathering target fingerprint image
The target fingerprint image carries out image quality evaluation, obtains image quality evaluation values；
The TA also particularly useful for：
Picture quality message is adjusted back to the unlocked by fingerprint application, described image quality information carries described image quality evaluation
Value；
The unlocked by fingerprint application, is more than preset quality for the described image quality evaluation value in described image quality information
During Evaluation threshold, mark this finger print identifying to be unlocked for blank screen, notify the TA to carry out fingerprint to the target fingerprint image and recognize
Card operation；
The TA also particularly useful for：
The authentication result message of the finger print identifying operation is sent to the Fingerprint Service；
The Fingerprint Service, for being certification success and the mobile terminal in the authentication result message received
During in black state, the locking screen interface of the mobile terminal is set to transparence, notifies power management services PMS is performed bright
Screen operation, meanwhile, notify the unlocked by fingerprint application to perform unblock operation.
7. mobile terminal according to claim 6, it is characterised in that the TA carries out image to the target fingerprint image
The specific implementation of quality evaluation is：
When the target fingerprint image is not for the fingerprint image of dry finger or wet finger, the target fingerprint image is schemed
As quality evaluation；
When the target fingerprint image is the fingerprint image of dry finger or wet finger, image is carried out to the target fingerprint image
Enhancing is handled, and image quality evaluation is carried out to the target fingerprint image after image enhancement processing.
8. the mobile terminal according to claim 6 or 7, it is characterised in that the TA also particularly useful for
Whether the touching intensity that detection touches fingerprint recognition module is more than the first predetermined threshold value, is more than in the touching intensity described
During the first predetermined threshold value, judge whether the touch area for touching the fingerprint recognition module is more than the second predetermined threshold value, described
When touching area more than second predetermined threshold value, the collection target fingerprint image is performed.
9. the mobile terminal according to claim 6 or 7, it is characterised in that the TA also particularly useful for：
Image quality evaluation is being carried out to the target fingerprint image, is obtaining after image quality evaluation values, judges described image
Whether quality evaluation value is more than the 3rd predetermined threshold value, when described image quality evaluation value is more than three predetermined threshold value, holds
Row is described to adjust back picture quality message to the unlocked by fingerprint application.
10. the mobile terminal according to claim 6 or 7, it is characterised in that the Fingerprint Service also have
Body is used for：
When the authentication result message received is authentification failure and the mobile terminal is in black state, the PMS points are notified
The screen of the bright mobile terminal.
11. a kind of mobile terminal, it is characterised in that including：
Processor and memory；Wherein, the processor is by calling the code in the memory or instructing to perform such as power
Profit requires the method described in 1 to 5 any one.
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| CN201710141337.8A CN107066858A (en) | 2017-03-08 | 2017-03-08 | A kind of unlocked by fingerprint method and mobile terminal |
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| CN201710141337.8A CN107066858A (en) | 2017-03-08 | 2017-03-08 | A kind of unlocked by fingerprint method and mobile terminal |
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| CB02 | Change of applicant information |
Address after: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant before: Guangdong OPPO Mobile Communications Co., Ltd. |
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Application publication date: 20170818 |
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