CN109144228A - A kind of fingerprint identification method and mobile terminal - Google Patents
A kind of fingerprint identification method and mobile terminal Download PDFInfo
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- CN109144228A CN109144228A CN201811290250.8A CN201811290250A CN109144228A CN 109144228 A CN109144228 A CN 109144228A CN 201811290250 A CN201811290250 A CN 201811290250A CN 109144228 A CN109144228 A CN 109144228A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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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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Abstract
The embodiment of the invention provides a kind of fingerprint identification method and mobile terminals, are related to field of communication technology, to solve the problems, such as because continually mistaken touch screen increases power consumption caused by mobile terminal error starting fingerprint recognition to user.Wherein, the fingerprint identification method, comprising: be in the standby state in mobile terminal, if detecting touch operation of the user to screen, obtain the first touch area that the user touches the screen；If first touch area meets the graphic feature parameter of preset fingerprint information, the finger print information of first touch area is obtained and identified.Fingerprint identification method in the embodiment of the present invention is applied in mobile terminal.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of fingerprint identification methods and mobile terminal.
Background technique
As the requirement of people is continuously improved, the screen of mobile terminal is also become greatly, has especially been occurred now complete
The mobile terminal of face, in order to improve the experience of user, common comprehensive screen mobile terminal by postposition unlocked by fingerprint chip come
Realize unlocked by fingerprint function.
As the development of fingerprint identification technology has gradually appeared the lower fingerprint identification technology of screen for further satisfaction user,
Shield lower fingerprint identification technology and refer to the setting fingerprint recognition chip below screen, the photoelectric information that screen generates is touched by user
The finger print information of user is obtained, further the finger print information of user is identified.
When mobile terminal is in standby, user often touches screen, and these touch actions are not to use
The movement of unlocked by fingerprint that family deliberately executes, as long as but mobile terminal detect that user touches screen, fingerprint recognition function will be enabled
Can, thus because caused by user continually mistaken touch screen fingerprint identification function frequently enable, and then lead to the power consumption of mobile terminal
Amount increases.
Summary of the invention
The embodiment of the present invention provides a kind of fingerprint identification method, to solve because continually mistaken touch screen makes movement eventually to user
The problem of holding power consumption caused by error starting fingerprint recognition to increase.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows: a kind of fingerprint identification method, is applied to mobile whole
End, comprising: be in the standby state in the mobile terminal, if detecting touch operation of the user to screen, described in acquisition
User touches the first touch area of the screen；If first touch area meets the graphic feature ginseng of preset fingerprint information
Number, then obtain and identify the finger print information on first touch area.
In a first aspect, the embodiment of the invention also provides a kind of mobile terminals, comprising: the first touch area obtains module,
For being in the standby state in the mobile terminal, if detecting touch operation of the user to screen, the user is obtained
Touch the first touch area of the screen；Fingerprint identification module, if meeting preset fingerprint letter for first touch area
The graphic feature parameter of breath then obtains and identifies the finger print information on first touch area.
Second aspect, the embodiment of the invention also provides a kind of mobile terminal, including processor, memory is stored in institute
The computer program that can be run on memory and on the processor is stated, when the computer program is executed by the processor
The step of realizing the fingerprint identification method.
The third aspect, it is described computer-readable to deposit the embodiment of the invention also provides a kind of computer readable storage medium
Computer program is stored on storage media, the computer program realizes the step of the fingerprint identification method when being executed by processor
Suddenly.
In embodiments of the present invention, it is mobile if user carries out touch operation to screen when mobile terminal is in standby
Terminal can touch the operation of screen based on user, obtain the first touch area of user and screen contact, to refer in identification user
The first touch area of acquisition is analyzed and determined before line.If it is pre- that the result analyzed and determined indicates that the first touch area meets
If the graphic feature parameter of the preset fingerprint information of the graphic feature parameter of finger print information, i.e. the first touch area and user accords with
It closes, it is believed that the touch operation may be the unlocked by fingerprint operation that user executes, so that unlocked by fingerprint function is opened, with further right
Finger print information on first touch area is obtained and is identified.As it can be seen that embodiment adds obtain to the first touch area
It takes and analytic process, and only can just open fingerprint when the first touch area meets the graphic feature parameter of preset fingerprint information
Identification function.If user is maloperation to the touch operation of screen, touch screen the first touch area relevant parameter with
The graphic feature parameter difference of preset fingerprint information is larger, is unable to satisfy the unlocking condition of fingerprint identification function, to effectively subtract
The phenomenon that few fingerprint identification function accidentally enables, and then reduce because fingerprint identification function accidentally enables bring kwh loss, further
Reduce the power consumption of mobile terminal.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is one of flow chart of fingerprint identification method of the embodiment of the present invention；
Fig. 2~Fig. 4 is the schematic diagram of the first touch area of the embodiment of the present invention；
Fig. 5 is the two of the flow chart of the fingerprint identification method of the embodiment of the present invention；
Fig. 6 is the three of the flow chart of the fingerprint identification method of the embodiment of the present invention；
Fig. 7~Fig. 9 is the schematic diagram of the second touch area of the embodiment of the present invention；
Figure 10 is the four of the flow chart of the fingerprint identification method of the embodiment of the present invention；
Figure 11 is the five of the flow chart of the fingerprint identification method of the embodiment of the present invention；
Figure 12 is one of block diagram of mobile terminal of the embodiment of the present invention；
Figure 13 is the two of the block diagram of the mobile terminal of the embodiment of the present invention；
Figure 14 is the three of the block diagram of the mobile terminal of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the flow chart of the fingerprint identification method of one embodiment of the invention is shown, is applied to mobile terminal,
Include:
Step S1: being in the standby state in mobile terminal, if detecting touch operation of the user to screen, obtains use
First touch area of family touch screen.
When mobile terminal is in standby, user can make mobile terminal generate photoelectric information by touch screen, thus
Mobile terminal can obtain the finger print information that user touches screen, and then mobile terminal can identify the finger print information of acquisition；
If mobile terminal successfully identifies that the finger print information of user, unlocking screen, mobile terminal enter working condition, i.e. user completes to refer to
Line unlocking process.
Wherein, during user touches screen, occurs a contact surface between the skin and screen of user, in the step
In can obtain the contact surface on the screen, as the first touch area for obtaining of the present embodiment.
Step S2: it if the first touch area meets the graphic feature parameter of preset fingerprint information, obtains and identifies first
Finger print information on touch area.
In the present embodiment, preset fingerprint information is preferably the unlock finger print information of the preparatory typing of user.Usual user exists
When typing unlocks finger print information, the finger print information of typing can form certain figure, thus while typing finger print information, it can
The figure formed to fingerprint is analyzed, and will the obtained relevant parameter of analysis, such as graphic feature parameter, together with finger print information
It saves.To in this step, finger print information after obtaining the first touch area, and on the first touch area of acquisition it
Before, first determine whether the first touch area meets the graphic feature parameter of preset fingerprint information, it is only full in the first touch area
In the case where the graphic feature parameter of sufficient preset fingerprint information, the fingerprint identification function of mobile terminal is enabled, just further to obtain
It takes and identifies the finger print information on the first touch area.
In embodiments of the present invention, it is mobile if user carries out touch operation to screen when mobile terminal is in standby
Terminal can touch the operation of screen based on user, obtain the first touch area of user and screen contact, to refer in identification user
The first touch area of acquisition is analyzed and determined before line.If it is pre- that the result analyzed and determined indicates that the first touch area meets
If the graphic feature parameter of the preset fingerprint information of the graphic feature parameter of finger print information, i.e. the first touch area and user accords with
It closes, it is believed that the touch operation may be the unlocked by fingerprint operation that user executes, so that unlocked by fingerprint function is opened, with further right
Finger print information on first touch area is obtained and is identified.As it can be seen that embodiment adds obtain to the first touch area
It takes and analytic process, and only can just open fingerprint when the first touch area meets the graphic feature parameter of preset fingerprint information
Identification function.If user is maloperation to the touch operation of screen, touch screen the first touch area relevant parameter with
The graphic feature parameter difference of preset fingerprint information is larger, is unable to satisfy the unlocking condition of fingerprint identification function, to effectively subtract
The phenomenon that few fingerprint identification function accidentally enables, and then reduce because fingerprint identification function accidentally enables bring kwh loss, further
Reduce the power consumption of mobile terminal.
Based on the said effect that the present embodiment can be realized, at least can avoid leading because of following several operations for accidentally touching screen
The fingerprint identification function of cause accidentally enables phenomenon.
One, as shown in Fig. 2, when user accidentally touches screen, the area of the first touch area 1 of user's contact screen compared with
It is small, hence it is evident that less than the area of preset fingerprint information.
Two, as shown in figure 3, when user accidentally touches screen, the area of the first touch area 1 of user's contact screen is suitable
In, but the shape of the first touch area 1 differs markedly from the shape of preset fingerprint information.
Three, as shown in figure 4, when user accidentally touches screen, the area of the first touch area 1 of user's contact screen compared with
Greatly, hence it is evident that greater than the area of preset fingerprint information.
On the basis of embodiment shown in Fig. 1, Fig. 5 shows the process of the fingerprint identification method of one embodiment of the invention
Figure, before step S1, further includes:
Step S3: in the case where user's typing preset fingerprint information, the second touch area that user touches screen is obtained.
User, can be by touching screen if user is when typing unlocks fingerprint in the case where typing preset fingerprint information
So that mobile terminal is generated photoelectric information, so that mobile terminal can be based on photoelectric information, identifies and typing user touches on the screen
Finger print information.
Wherein, when user touches screen, screen have a region be with user's skin contact, as in the step the
Two touch areas.
Step S4: the graphic feature parameter of the second touch area is obtained.
Second touch area is analyzed, the graphic feature parameter of the second touch area is obtained.
Graphic feature parameter includes such as: length and width parameter, area parameters, the form parameter of the second touch area formation figure.
Based on the second touch area of different shapes, corresponding graphic feature parameter is also different.For example, if the second touch area is square
Shape, then the graphic feature parameter obtained can be the length and width of rectangle；If the second touch area is circle, the figure obtained is special
Sign parameter can be circular radius.As it can be seen that no matter what shape the second touch area is, graphic feature parameter is reflected
The principal shape feature of second touch area.
Step S5: the graphic feature parameter of the second touch area is determined as to the graphic feature parameter of preset fingerprint information.
The method for present embodiments providing a kind of graphic feature parameter of typing preset fingerprint information.Different from common screen
Curtain finger print information Input Process, the present embodiment is in the screen finger print information Input Process, not only typing finger print information, also typing
The graphic feature parameter of finger print information, for analyzing whether the first touch area meets preset fingerprint information in step S2
Graphic feature parameter.As it can be seen that the comparison process of Input Process combination Fig. 1 embodiment of the present embodiment, can tell user's
The operation of screen is accidentally touched, so that fingerprint recognition caused by accidentally touching the operation of screen be avoided accidentally to enable phenomenon, not only reduces and misses
Fingerprint recognition bring power consumption is enabled, also can avoid fingerprint recognition, accidentally enabling brings bad usage experience to user.
On the basis of embodiment shown in Fig. 5, Fig. 6 shows the process of the fingerprint identification method of one embodiment of the invention
Figure, step S3 include:
Step S31: in the case where user's typing preset fingerprint information, the first pixel that user repeatedly touches screen is obtained
Point information.
It should be noted that no matter mobile terminal uses postposition fingerprint recognition chip, or using fingerprint recognition core under shielding
Piece only saves the finger print information of user in screen finger print information Input Process, to be used for subsequent fingerprint recognition.Therefore, exist
It is repeated no more in the present embodiment.
Different from existing screen finger print information Input Process, the present embodiment can also obtain that user repeatedly touches screen
One pixel information.
In general, user need to repeatedly record in typing finger print information in order to improve the recognition speed of the accuracy of fingerprint recognition
Enter, touches the fingerprint letter of screen under different postures (including different direction, different angle, different dynamics etc.) with typing user
Breath.Wherein, it once touches screen and is used for finger print information of typing.
For user's single touch screen, the finger and screen contact of user connect so that mobile terminal can obtain finger
All screen pixels point information of touch screen curtain, the pixel point information obtained when referred to here as typing finger print information are the first pixel
Point information.
Step S32: repeatedly touching the first pixel information of screen according to user, respectively corresponds and obtains multiple ellipses
Second touch area.
In this step, for user's single touch screen, using ellipse fitting algorithm in computational geometry, according to acquisition
Pixel point information point bit distribution, best external ellipse is obtained, to form the second touch area of ellipse.Further obtain
Take the elliptical graphic feature parameter (such as area, long axis, short axle feature relevant parameter).
In this way, by the multiple fingerprint typing of user, available user is with different postures (packet in the fingerprint typing stage
Include different direction, different angle, different dynamics etc.) user fingerprints information when touching screen, and be able to reflect out user and need
A series of auxiliary parameters of finger and screen contact when unlocking, such as graphic feature parameter, so as to a series of auxiliary by what is obtained
Parameter is helped, can be had as the graphic feature parameter of preset fingerprint information, and then using a series of auxiliary parameters as reference standard
Evade the case where those are accidentally touched in effect ground.
Wherein, in the present embodiment, the second touch area that user touches screen is fitted to ellipse, so that the second touching
The shape of the shape and finger print information of touching region is closest, and is actually consistent, it is ensured that the reliability of the present embodiment method.
Further, true with the contact surface of screen in all cases in order to more accurately count user
Distribution, the present embodiment utilize a series of elliptic parameter, rather than some elliptical parameter.
Referring to Fig. 7~Fig. 9, for same preset fingerprint information, the second touch area of multiple ellipses can be obtained
2, and the parameter of the second touch area 2 of corresponding each ellipse is all different that (wherein, arrow meaning respectively corresponds elliptical
Long axis and short axle), therefore the graphic feature parameter of finally determining preset fingerprint information includes the second touch of multiple ellipses
The graphic feature parameter in region 2, i.e. the graphic feature parameter of preset fingerprint information are oval information aggregates.
On the basis of the embodiment described in Fig. 6, Figure 10 shows the stream of the fingerprint identification method of one embodiment of the invention
Cheng Tu, accordingly, step S1 includes:
Step S11: being in the standby state in mobile terminal, if detecting touch operation of the user to screen, obtains
Second pixel information of user's touch screen.
Step S12: touching the second pixel information of screen according to user, obtains the first touch area, the first Petting Area
Domain is oval.
In the present embodiment, if detecting touch operation of the user to screen, that is, the signal of skin touching screen is detected,
Contact point state fitting of distribution first according to current skin with screen goes out an optimal external ellipse, and obtains ellipsoid
The parameters such as long-pending, elliptical long axis, short axle, the correlation ellipse for then being saved these parameters and user in typing fingerprinting process
Information aggregate is compared.
Wherein, for the ease of distinguishing, by user in the touch screen operator of non-typing finger print information, the screen that touches
Pixel information be known as the second pixel information.
In the present embodiment, the method for obtaining the second touch area of ellipse can be used, the of screen is touched to user
One touch area carries out ellipse fitting, to obtain the first touch area of ellipse.First touch area is fitted to and second
Shape identical ellipse in touch area is analyzed and is compared convenient for the parameter to the first touch area, to judge in all directions
Whether the parameter of the first touch area meets the graphic feature parameter of preset fingerprint information, so as to be fast and accurately identified
Which touching operation is to accidentally touch operation, which touching operation is the unlock operation of user.
Accordingly, the graphic feature parameter of the preset fingerprint information in step S2 at least while includes the ginseng of three aspects
Number: ellipse area, transverse and ellipse short shaft；Accordingly, step S2 at least while includes:
Step S21: if the area of the first touch area belongs in the areal extent of multiple second touch areas.
In multiple second touch areas of acquisition, the area of multiple second touch areas can be obtained, so as to obtain it
In minimum value and maximum value.If the area of the first touch area is greater than minimum value, and is less than maximum value, then the first touch area
Area belong in the areal extent of multiple second touch areas；If the area of the first touch area be equal to minimum value,
The area of first touch area belongs in the areal extent of multiple second touch areas；If area of the first touch area etc.
In maximum value, then the area of the first touch area belongs in the areal extent of multiple second touch areas.
Step S22: if the long axis length of the first touch area belongs within the scope of the long axis length of multiple second touch areas.
In multiple second touch areas of acquisition, the long axis length of multiple second touch areas can be obtained, so as to obtain
Take minimum value and maximum value therein.If the long axis length of the first touch area is greater than minimum value, and be less than maximum value, then first
The long axis length of touch area belongs within the scope of the long axis length of multiple second touch areas；If the length of the first touch area
Shaft length is equal to minimum value, then the long axis length of the first touch area belongs to the long axis length range of multiple second touch areas
It is interior；If the long axis length of the first touch area is equal to maximum value, the long axis length of the first touch area belongs to multiple the
Within the scope of the long axis length of two touch areas.
Step S23: if the minor axis length of the first touch area belongs within the scope of the minor axis length of multiple second touch areas.
In multiple second touch areas of acquisition, the minor axis length of multiple second touch areas can be obtained, so as to obtain
Take minimum value and maximum value therein.If the minor axis length of the first touch area is greater than minimum value, and be less than maximum value, then first
The minor axis length of touch area belongs within the scope of the minor axis length of multiple second touch areas；If the first touch area is short
Shaft length is equal to minimum value, then the minor axis length of the first touch area belongs to the minor axis length range of multiple second touch areas
It is interior；If the minor axis length of the first touch area is equal to maximum value, the minor axis length of the first touch area belongs to multiple the
Within the scope of the minor axis length of two touch areas.
When the first touch area meets three conditions in step S21~step S23 simultaneously, that is, meets triggering fingerprint and know
Other condition obtains the finger print information of the first touch area so as to enter the fingerprint recognition stage, enables screen fingerprint recognition
Unlock, and successfully unlocked after completing identification.
Correspondingly, step S2 further include:
Step S24: obtaining and identifies the finger print information on the first touch area.
Further, after unlocking successfully, the relevant parameter of the first touch area of acquisition be may be updated to preset fingerprint information
Graphic feature parameter in, to be adapted to more situations.
On the contrary, if when the first touch area is unable to satisfy any one condition in step S21~step S23, i.e., first
The area of touch area is more than the maximum value recorded in typing information；Or less than the minimum value recorded in typing information；Or
The long axis length of first touch area is more than the maximum value recorded in typing information；Or first touch area minor axis length it is small
The minimum value recorded in typing information；Etc., all it is considered as current to accidentally touch, algorithm for recognizing fingerprint under enabling is shielded.
Further, the area that can be also prompted user in screen: please increase or reduce touch screen could enable screen
Unlocked by fingerprint.
On the basis of embodiment shown in Fig. 1, Figure 11 shows the stream of the fingerprint identification method of one embodiment of the invention
Cheng Tu, accordingly, step S1 includes:
Step S13: being in the standby state in mobile terminal, if detecting user in the target induction region of screen
Touch operation then obtains the first touch area that user touches screen.
In order to further decrease the probability that fingerprint identification function accidentally enables, also target sense can be set in the specified region of screen
Region is answered, only when target induction region detects the touch operation of user, can just obtain the first touching that user touches screen
Touch region.
In conclusion the present embodiment existing screen fingerprint schemes include the typing of screen finger print information, triggering screen refer to
Line identification, enables in several steps of screen fingerprint recognition unlock the acquisition of screen finger print information, records to screen finger print information
Enter, trigger screen fingerprint recognition the two steps supplement it is perfect.Wherein, the screen finger print information typing the step of in increase
The scheme of the graphic feature parameter of typing preset fingerprint information, and comparison is increased in the step of triggering screen fingerprint recognition
The scheme of the graphic feature parameter of preset fingerprint information, so that only just can be carried out obtaining for screen finger print information under specific circumstances
It takes, enable the unlock of screen fingerprint recognition.As it can be seen that based on the contact area of finger and screen when using user's typing fingerprint for the first time
Whether it is that user really needs the operation for unlocking mobile phone that associated statistical information carrys out subsidiary discriminant currently, to reduce fingerprint recognition
The probability that function accidentally enables.
Effect based on above embodiments, fingerprint identification technology newly-increased the product technology sense and stylishness in the case where meeting screen,
Perceived value of the product in the minds of user is promoted, under the premise of bringing easily booting experience to user, screen is able to ascend and refers to down
Line identification carries out the experience of unlocking screen, reduces the power consumption of mobile terminal in the standby state, promotes stand-by time.
Figure 12 shows the block diagram of the mobile terminal of another embodiment of the present invention, comprising:
First touch area obtains module 10, for being in the standby state in mobile terminal, if detecting user to screen
The touch operation of curtain then obtains the first touch area that user touches screen；
Fingerprint identification module 20 obtains if meeting the graphic feature parameter of preset fingerprint information for the first touch area
It takes and identifies the finger print information on the first touch area.
In embodiments of the present invention, it is mobile if user carries out touch operation to screen when mobile terminal is in standby
Terminal can touch the operation of screen based on user, obtain the first touch area of user and screen contact, to refer in identification user
The first touch area of acquisition is analyzed and determined before line.If it is pre- that the result analyzed and determined indicates that the first touch area meets
If the graphic feature parameter of the preset fingerprint information of the graphic feature parameter of finger print information, i.e. the first touch area and user accords with
It closes, it is believed that the touch operation may be the unlocked by fingerprint operation that user executes, so that unlocked by fingerprint function is opened, with further right
Finger print information on first touch area is obtained and is identified.As it can be seen that embodiment adds obtain to the first touch area
It takes and analytic process, and only can just open fingerprint when the first touch area meets the graphic feature parameter of preset fingerprint information
Identification function.If user is maloperation to the touch operation of screen, touch screen the first touch area relevant parameter with
The graphic feature parameter difference of preset fingerprint information is larger, is unable to satisfy the unlocking condition of fingerprint identification function, to effectively subtract
The phenomenon that few fingerprint identification function accidentally enables, and then reduce because fingerprint identification function accidentally enables bring kwh loss, further
Reduce the power consumption of mobile terminal.
On the basis of embodiment illustrated in fig. 12, Figure 13 shows the frame of the mobile terminal of another embodiment of the present invention
Figure, further includes:
Second touch area obtains module 30, in the case where user's typing preset fingerprint information, obtaining user's touching
Touch the second touch area of screen；
Graphic feature parameter acquisition module 40, for obtaining the graphic feature parameter of the second touch area；
Graphic feature parameter presetting module 50, for the graphic feature parameter of the second touch area to be determined as preset fingerprint
The graphic feature parameter of information.
Further, acquisition module 30 in the second touch area includes:
First pixel information acquisition unit 31, for obtaining user in the case where user's typing preset fingerprint information
Repeatedly touch the first pixel information of screen；
First elliptic region acquiring unit 32, for repeatedly touching the first pixel information of screen according to user, respectively
Corresponding the second touch area for obtaining multiple ellipses.
Further, acquisition module 10 in the first touch area includes:
Second pixel information acquisition unit 11, for being in the standby state in mobile terminal, if detecting user couple
The touch operation of screen then obtains the second pixel information that user touches screen；
Second elliptic region acquiring unit 12, for touching the second pixel information of screen according to user, described in acquisition
First touch area, the first touch area are oval；
Fingerprint identification module 20 at least while includes following three:
Area meets unit 21, if the area for the first touch area belongs to the areal extent of multiple second touch areas
It is interior；
Long axis meets unit 22, if the long axis length for the first touch area belongs to the long axis of multiple second touch areas
In length range；
Short axle meets unit 23, if the minor axis length for the first touch area belongs to the short axle of multiple second touch areas
In length range.
Preferably, acquisition module 10 in the first touch area includes:
Target induction region detection unit 13, for being in the standby state in mobile terminal, if detecting, user is being shielded
Touch operation in the target induction region of curtain then obtains the first touch area that user touches screen.
Mobile terminal provided in an embodiment of the present invention can be realized mobile terminal in the embodiment of the method for Fig. 1 to Figure 11 and realize
Each process, to avoid repeating, which is not described herein again.
A kind of hardware structural diagram of Figure 14 mobile terminal of each embodiment to realize the present invention, the mobile terminal
100 include but is not limited to: radio frequency unit 101, network module 102, audio output unit 103, input unit 104, sensor
105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110 and power supply 111 etc.
Component.It will be understood by those skilled in the art that mobile terminal structure shown in Figure 14 does not constitute the restriction to mobile terminal,
Mobile terminal may include perhaps combining certain components or different component layouts than illustrating more or fewer components.?
In the embodiment of the present invention, mobile terminal includes but is not limited to mobile phone, tablet computer, laptop, palm PC, vehicle-mounted end
End, wearable device and pedometer etc..
Wherein, processor 110, for being in the standby state in the mobile terminal, if detecting user to screen
Touch operation then obtains the first touch area that the user touches the screen；If first touch area meets default
The graphic feature parameter of finger print information then obtains and identifies the finger print information on first touch area.
In embodiments of the present invention, it is mobile if user carries out touch operation to screen when mobile terminal is in standby
Terminal can touch the operation of screen based on user, obtain the first touch area of user and screen contact, to refer in identification user
The first touch area of acquisition is analyzed and determined before line.If it is pre- that the result analyzed and determined indicates that the first touch area meets
If the graphic feature parameter of the preset fingerprint information of the graphic feature parameter of finger print information, i.e. the first touch area and user accords with
It closes, it is believed that the touch operation may be the unlocked by fingerprint operation that user executes, so that unlocked by fingerprint function is opened, with further right
Finger print information on first touch area is obtained and is identified.As it can be seen that embodiment adds obtain to the first touch area
It takes and analytic process, and only can just open fingerprint when the first touch area meets the graphic feature parameter of preset fingerprint information
Identification function.If user is maloperation to the touch operation of screen, touch screen the first touch area relevant parameter with
The graphic feature parameter difference of preset fingerprint information is larger, is unable to satisfy the unlocking condition of fingerprint identification function, to effectively subtract
The phenomenon that few fingerprint identification function accidentally enables, and then reduce because fingerprint identification function accidentally enables bring kwh loss, further
Reduce the power consumption of mobile terminal.
It should be understood that the embodiment of the present invention in, radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 110 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 101 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 101 can also by wireless communication system and network and other set
Standby communication.
Mobile terminal provides wireless broadband internet by network module 102 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 103 can be received by radio frequency unit 101 or network module 102 or in memory 109
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 103 can also be provided and be moved
The relevant audio output of specific function that dynamic terminal 100 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 103 includes loudspeaker, buzzer and receiver etc..
Input unit 104 is for receiving audio or video signal.Input unit 104 may include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or network module 102.Mike
Wind 1042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 101 is converted in the case where telephone calling model.
Mobile terminal 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when mobile terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify mobile terminal posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 105 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061.
User input unit 107 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 107 include touch panel 1071 and
Other input equipments 1072.Touch panel 1071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 1071 or in touch panel 1071
Neighbouring operation).Touch panel 1071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 110, receiving area
It manages the order that device 110 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 1071.In addition to touch panel 1071, user input unit 107 can also include other input equipments
1072.Specifically, other input equipments 1072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 1071 can be covered on display panel 1061, when touch panel 1071 is detected at it
On or near touch operation after, send processor 110 to determine the type of touch event, be followed by subsequent processing device 110 according to touching
The type for touching event provides corresponding visual output on display panel 1061.Although in Figure 14, touch panel 1071 and aobvious
Show that panel 1061 is the function that outputs and inputs of realizing mobile terminal as two independent components, but in some embodiments
In, can be integrated by touch panel 1071 and display panel 1061 and realize the function that outputs and inputs of mobile terminal, it is specific this
Place is without limitation.
Interface unit 108 is the interface that external device (ED) is connect with mobile terminal 100.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 108 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in mobile terminal 100 or can be used in 100 He of mobile terminal
Data are transmitted between external device (ED).
Memory 109 can be used for storing software program and various data.Memory 109 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 109, and calls and is stored in storage
Data in device 109 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 100 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, mobile terminal 100 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor 110, and memory 109 is stored in
On memory 109 and the computer program that can run on the processor 110, the computer program are executed by processor 110
Each process of the above-mentioned fingerprint identification method embodiment of Shi Shixian, and identical technical effect can be reached, to avoid repeating, here
It repeats no more.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned fingerprint identification method embodiment, and energy when being executed by processor
Reach identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as only
Read memory (Read-Only Memory, abbreviation ROM), random access memory (RandomAccess Memory, abbreviation
RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (12)
1. a kind of fingerprint identification method is applied to mobile terminal characterized by comprising
It is in the standby state in the mobile terminal, if detecting touch operation of the user to screen, obtains the user
Touch the first touch area of the screen；
If first touch area meets the graphic feature parameter of preset fingerprint information, obtains and identify that described first touches
Finger print information on region.
2. the method according to claim 1, wherein described be in the standby state in the mobile terminal, if
It detects touch operation of the user to screen, then before obtaining the first touch area that the user touches the screen, also wraps
It includes:
In the case where the preset fingerprint information described in user's typing, the second touch that the user touches the screen is obtained
Region；
Obtain the graphic feature parameter of second touch area；
The graphic feature parameter of second touch area is determined as to the graphic feature parameter of the preset fingerprint information.
3. according to the method described in claim 2, it is characterized in that, the preset fingerprint information described in user's typing
In the case of, obtain the second touch area that the user touches the screen, comprising:
In the case where the preset fingerprint information described in user's typing, the user repeatedly touches the screen first is obtained
Pixel information；
The first pixel information that the screen is repeatedly touched according to the user respectively corresponds and obtains the described of multiple ellipses
Second touch area.
4. according to the method described in claim 3, it is characterized in that, described be in the standby state in the mobile terminal, if
It detects touch operation of the user to screen, then obtains the first touch area that the user touches the screen, comprising:
It is in the standby state in the mobile terminal, if detecting touch operation of the user to screen, obtains the user
Touch the second pixel information of the screen；
The second pixel information of the screen is touched according to the user, obtains first touch area, first touching
It is oval to touch region；
It at least while include following three if first touch area meets the graphic feature parameter of preset fingerprint information
:
If the area of first touch area belongs in the areal extent of multiple second touch areas；
If the long axis length of first touch area belongs within the scope of the long axis length of multiple second touch areas；
If the minor axis length of first touch area belongs within the scope of the minor axis length of multiple second touch areas.
5. the method according to claim 1, wherein described be in the standby state in the mobile terminal, if
It detects touch operation of the user to screen, then obtains the first touch area that the user touches the screen, comprising:
It is in the standby state in the mobile terminal, if detecting touch of the user in the target induction region of screen
Operation, then obtain the first touch area that the user touches the screen.
6. a kind of mobile terminal characterized by comprising
First touch area obtains module, for being in the standby state in the mobile terminal, if detecting user to screen
Touch operation, then obtain the first touch area that the user touches the screen；
Fingerprint identification module obtains if meeting the graphic feature parameter of preset fingerprint information for first touch area
And identify the finger print information on first touch area.
7. mobile terminal according to claim 6, which is characterized in that the mobile terminal further include:
Second touch area obtains module, in the case where being used for the preset fingerprint information described in user's typing, described in acquisition
User touches the second touch area of the screen；
Graphic feature parameter acquisition module, for obtaining the graphic feature parameter of second touch area；
Graphic feature parameter presetting module, for the graphic feature parameter of second touch area to be determined as the default finger
The graphic feature parameter of line information.
8. mobile terminal according to claim 7, which is characterized in that second touch area obtains module and includes:
First pixel information acquisition unit in the case where being used for the preset fingerprint information described in user's typing, obtains institute
State the first pixel information that user repeatedly touches the screen；
First elliptic region acquiring unit, for repeatedly touching the first pixel information of the screen according to the user, point
Second touch area of multiple ellipses Dui Ying not obtained.
9. mobile terminal according to claim 8, which is characterized in that first touch area obtains module and includes:
Second pixel information acquisition unit, for being in the standby state in the mobile terminal, if detecting user to screen
The touch operation of curtain, then obtain the second pixel information that the user touches the screen；
Second elliptic region acquiring unit obtains institute for touching the second pixel information of the screen according to the user
The first touch area is stated, first touch area is oval；
The fingerprint identification module at least while includes following three:
Area meets unit, if the area for first touch area belongs to the area model of multiple second touch areas
In enclosing；
Long axis meets unit, if the long axis length for first touch area belongs to the length of multiple second touch areas
Within the scope of shaft length；
Short axle meets unit, if the minor axis length for first touch area belongs to the short of multiple second touch areas
Within the scope of shaft length.
10. mobile terminal according to claim 6, which is characterized in that first touch area obtains module and includes:
Target induction region detection unit, for being in the standby state in the mobile terminal, if detecting, the user exists
Touch operation in the target induction region of screen then obtains the first touch area that the user touches the screen.
11. a kind of mobile terminal, which is characterized in that including processor, memory is stored on the memory and can be described
The computer program run on processor is realized when the computer program is executed by the processor as in claim 1 to 5
The step of described in any item fingerprint identification methods.
12. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the fingerprint identification method as described in any one of claims 1 to 5 when the computer program is executed by processor
The step of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811290250.8A CN109144228A (en) | 2018-10-31 | 2018-10-31 | A kind of fingerprint identification method and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811290250.8A CN109144228A (en) | 2018-10-31 | 2018-10-31 | A kind of fingerprint identification method and mobile terminal |
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| CN201811290250.8A Pending CN109144228A (en) | 2018-10-31 | 2018-10-31 | A kind of fingerprint identification method and mobile terminal |
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| CN111506246A (en) * | 2019-01-31 | 2020-08-07 | 北京小米移动软件有限公司 | Fingerprint identification determination method and fingerprint identification determination device |
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Application publication date: 20190104 |