CN109858227A - Fingerprint input method, device, electronic equipment and storage medium - Google Patents
Fingerprint input method, device, electronic equipment and storage medium Download PDFInfo
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- CN109858227A CN109858227A CN201910107933.3A CN201910107933A CN109858227A CN 109858227 A CN109858227 A CN 109858227A CN 201910107933 A CN201910107933 A CN 201910107933A CN 109858227 A CN109858227 A CN 109858227A
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Abstract
The embodiment of the present application discloses a kind of fingerprint input method, device, electronic equipment and storage medium, this method comprises: the first fingerprint pressing operation in the fingerprint collecting region of detection touching display screen；The first fingerprint image generated during the first fingerprint pressing operation is acquired by shielding lower fingerprint sensor；If the picture quality of first fingerprint image resurveys the second fingerprint image generated during the first fingerprint pressing operation less than the first preset threshold, by fingerprint sensor under the screen；If the picture quality of second fingerprint image is greater than or equal to first preset threshold, the second fingerprint image described in typing.Can improve screen under fingerprint sensor fingerprint recognition success rate.
Description
Technical field
This application involves field of terminal technology, and in particular to a kind of fingerprint input method, device, electronic equipment and storage are situated between
Matter.
Background technique
With a large amount of popularization and applications of electronic equipment (such as mobile phone, tablet computer), the function of electronic equipment is more and more stronger
Greatly.Current electronic equipment generallys use comprehensive screen, and the fingerprint recognition under screen is generally using fingerprint recognition under shielding comprehensively.Comprehensive
In the fingerprint typing of screen, if finger lifts at once after acquisition movement is completed, the fingerprint picture being actually formed is possible to can ratio
It is relatively fuzzy, cause the successful fingerprint picture lines of typing relatively fuzzyyer, subsequent have in fingerprint recognition compares high probability appearance
Matching is abnormal, causes fingerprint recognition success rate low.
Summary of the invention
The embodiment of the present application provides a kind of fingerprint input method, device, electronic equipment and storage medium, can improve
Shield the fingerprint recognition success rate of lower fingerprint sensor.
In a first aspect, the embodiment of the present application provides a kind of fingerprint input method, comprising:
Detect the first fingerprint pressing operation in the fingerprint collecting region of touching display screen；
The first fingerprint image generated during the first fingerprint pressing operation is acquired by shielding lower fingerprint sensor；
If the picture quality of first fingerprint image is thought highly of less than the first preset threshold by fingerprint sensing under the screen
Newly acquire the second fingerprint image generated during the first fingerprint pressing operation；
If the picture quality of second fingerprint image is greater than or equal to first preset threshold, second refers to described in typing
Print image.
Second aspect, the embodiment of the present application provide a kind of fingerprint input device, and described device is applied to aobvious including touch-control
Display screen, the electronic equipment for shielding lower fingerprint sensor, the touching display screen includes fingerprint collecting region, fingerprint sensing under the screen
Device is used to acquire the fingerprint image in the fingerprint collecting region, and described device includes:
Detection unit, the first fingerprint pressing operation in fingerprint collecting region for detecting touching display screen；
Acquisition unit, for acquiring generate during the first fingerprint pressing operation the by shielding lower fingerprint sensor
One fingerprint image；
The acquisition unit is also used to feelings of the picture quality in first fingerprint image less than the first preset threshold
Condition resurveys the second fingerprint image generated during the first fingerprint pressing operation by fingerprint sensor under the screen
Picture；
Typing unit is greater than or equal to first preset threshold for the picture quality in second fingerprint image
In the case of, the second fingerprint image described in typing.
The third aspect, the embodiment of the present application offer a kind of electronic equipment, including the lower fingerprint sensor of touching display screen, screen,
Processor and memory, for storing one or more programs, one or more of programs are configured to the memory
It is executed by the processor, above procedure is included the steps that for executing the instruction in the embodiment of the present application first aspect.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, wherein above-mentioned computer-readable
Storage medium storage is used for the computer program of electronic data interchange, wherein above-mentioned computer program executes computer such as
Step some or all of described in the embodiment of the present application first aspect.
5th aspect, the embodiment of the present application provide a kind of computer program product, wherein above-mentioned computer program product
Non-transient computer readable storage medium including storing computer program, above-mentioned computer program are operable to make to calculate
Machine executes the step some or all of as described in the embodiment of the present application first aspect.The computer program product can be one
A software installation packet.
As can be seen that the embodiment of the present application described in fingerprint input method, the fingerprint input method be applied to include
Touching display screen, the electronic equipment for shielding lower fingerprint sensor, touching display screen includes fingerprint collecting region, shields lower fingerprint sensor
For acquiring the fingerprint image in fingerprint collecting region.The fingerprint input method includes: to detect the fingerprint collecting of touching display screen
The first fingerprint pressing operation in region；Generate during the first fingerprint pressing operation the is acquired by shielding lower fingerprint sensor
One fingerprint image；If the picture quality of the first fingerprint image is adopted less than the first preset threshold by shielding lower fingerprint sensor again
Collect the second fingerprint image generated during the first fingerprint pressing operation；If the picture quality of the second fingerprint image is greater than or equal to
First preset threshold, the second fingerprint image of typing.It, can be not during typing fingerprint image in the embodiment of the present application
Fingerprint image twice is acquired in the case where lifting finger, only the highest fingerprint image of typing picture quality, subsequent finger can be improved
The success rate of line identification.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of a kind of electronic equipment disclosed in the embodiment of the present application；
Fig. 2 is that the positional relationship in fingerprint sensor and fingerprint collecting region is illustrated under a kind of screen disclosed in the embodiment of the present application
Figure；
Fig. 3 is a kind of flow diagram of fingerprint input method disclosed in the embodiment of the present application；
Fig. 4 is the flow diagram of another kind fingerprint input method disclosed in the embodiment of the present application；
Fig. 5 is a kind of structural schematic diagram of fingerprint input device disclosed in the embodiment of the present application；
Fig. 6 is the structural schematic diagram of another kind electronic equipment disclosed in the embodiment of the present application.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
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.
Electronic equipment involved by the embodiment of the present application may include the various handheld devices with wireless communication function,
Mobile unit, wearable device calculate equipment or are connected to other processing equipments and various forms of radio modem
User equipment (User Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal
Device) etc..For convenience of description, apparatus mentioned above is referred to as electronic equipment.
It describes in detail below to the embodiment of the present application.
Referring to Figure 1, Fig. 1 is the structural schematic diagram of a kind of electronic equipment disclosed in the embodiment of the present application, the electronic equipment
100 include processor 101, memory 102, signal processor 103, communication interface 104, touching display screen 105, loudspeaker 106,
Microphone 107, random access memory (Random Access Memory, RAM) 108, camera 109 and sensor 110 etc.
Deng.
Wherein, processor 101 is also possible to AP processor, is also possible to other processors.
Wherein, memory 102, signal processor 103, touching display screen 105, loudspeaker 106, microphone 107,
RAM108, camera 109 and sensor 110 are connect with processor 101, and communication interface 104 is connect with signal processor 103.
Wherein, touching display screen 105 includes display screen and touch panel (Touch Panel, TP), touching display screen 105
Including fingerprint collecting region.The fingerprint collecting region is the panel region in touching display screen 105, i.e. size can be for multiple hands
The big region for referring to while pressing, rather than the zonule that can be only pressed for single finger.Position where the fingerprint collecting region
Can be the intermediate region of touching display screen 105, the upper partial region of touching display screen 105, touching display screen 105 lower part
Region etc., is not limited thereto.The touching display screen 105 can be Organic Light Emitting Diode (Organic Light-
Emitting Diode, OLED) display screen, or liquid crystal display (Liquid Crystal Display, LCD).
Wherein, sensor 110 includes fingerprint sensor, infrared sensor, gyroscope etc..The fingerprint sensor can be light
Fingerprint sensor is learned, which is referred to as shielding lower fingerprint sensor.Fingerprint sensor refers to for acquiring under the screen
Optical signal in line pickup area.Fingerprint sensor can be set to the lower section in fingerprint collecting region under the screen, specifically refer to figure
2, Fig. 2 be the positional diagram of fingerprint sensor and fingerprint collecting region under a kind of screen disclosed in the embodiment of the present application.Such as
Shown in Fig. 2, fingerprint sensor is located at the underface in fingerprint collecting region under the screen, and fingerprint sensor can acquire under the screen
The optical signal of each position in fingerprint collecting region, the region area that shielding lower fingerprint sensor can acquire, which is greater than or is equal to, to be referred to
The area of line pickup area.
In the embodiment of the present application, processor 101, first in the fingerprint collecting region for detecting touching display screen refers to
Line pressing operation；The first fingerprint image generated during the first fingerprint pressing operation is acquired by shielding lower fingerprint sensor
Picture；In the case where the picture quality of first fingerprint image is less than the first preset threshold, pass through fingerprint sensing under the screen
Device resurveys the second fingerprint image generated during the first fingerprint pressing operation；In the figure of second fingerprint image
In the case that image quality amount is greater than or equal to first preset threshold, the second fingerprint image described in typing.
In the implementation of the application, processor 101 is also used to small in the picture quality of second fingerprint image
In the case where first preset threshold, determine that picture quality is most in first fingerprint image and second fingerprint image
High image；The image matter of the highest fingerprint image of picture quality in first fingerprint image and second fingerprint image
In the case that amount is greater than or equal to the second preset threshold, image in the first fingerprint image described in typing and second fingerprint image
The highest image of quality, second preset threshold are less than first preset threshold.
In the implementation of the application, processor 101 is also used to refer in first fingerprint image and described second
In the case that the picture quality of the highest fingerprint image of picture quality is less than the second preset threshold in print image, output typing failure
Prompt information, the prompt information is for prompting user to re-start pressing operation.
In the implementation of the application, processor 101 is also used to the fingerprint sensor continuous acquisition under the screen
In the case that the picture quality of N number of fingerprint image is below second preset threshold, camera is opened, acquires face information, N
For the integer more than or equal to 2；Verify the face information with prestore whether face template matches；It is also used to believe in the face
Breath prestores in the unmatched situation of face template with described, fingerprint typing mode is exited, into screen locking pattern.
In the implementation of the application, processor 101 is also used to big in the picture quality of first fingerprint image
In or be equal to the first preset threshold in the case where, the first fingerprint image described in typing.
In the implementation of the application, processor 101 is also used to adopt again by fingerprint sensor under the screen
Before collecting the second fingerprint image generated during the first fingerprint pressing operation, the first fingerprint pressing operation is detected
Pressure value is not at preset pressure value section in the pressure value, and the pressure value is less than the preset pressure value section
In the case where lower limit, output increases the prompt information of pressing dynamics；
Processor 101 is also used to be not at preset pressure value section in the pressure value, and the pressure value is greater than described
In the case where the upper limit in preset pressure value section, output reduces the prompt information of pressing dynamics.
In the implementation of the application, described image quality is based on fingerprint area coverage and effective fingerprint pixel
Quantity determines.
In the embodiment of the present application, during typing fingerprint image, two can be acquired in the case where not lifting finger
Secondary fingerprint image, only the highest fingerprint image of typing picture quality, can be improved the success rate of subsequent fingerprint identification.
In the embodiment of the present application, signal processor 103, communication interface 104, loudspeaker 106, microphone 107, RAM108,
Camera 109 can according to need to be removed from electronic equipment 100, and certainly, electronic equipment 100 can also increase other hardware
Module.
It should be noted that the specific implementation process of step performed by each module can be found in the specific implementation of following methods
Process no longer describes herein.
Based on electronic equipment shown in FIG. 1, a kind of fingerprint input method is disclosed, referring to Fig. 3, Fig. 3 is the application reality
A kind of flow diagram of fingerprint input method disclosed in example is applied, as shown in figure 3, the fingerprint input method includes the following steps.
301, electronic equipment detects the first fingerprint pressing operation in the fingerprint collecting region of touching display screen.
In the embodiment of the present application, fingerprint pressing operation refers to that the finger-print region of finger is shown in the touch-control of electronic equipment
The operation of the fingerprint collecting region pressing of screen.The finger-print region of finger is located at fingerprint during fingerprint collecting region presses
Fingerprint sensor can acquire fingerprint image under screen below pickup area.For shielding lower fingerprint sensor for optical finger print sensing
For device, optical fingerprint sensor includes light source and detection device, and detection device can be charge-coupled device (charge-
Coupled device, CCD) array.Light source can emit incident ray, and incident ray passes through touching display screen surface and finger
The region of contact is reflected, and reflection light is received and converted to electrical signal data by detection device, and optical fingerprint sensor can
To identify which incident ray is contacted with the high spot (ridge of fingerprint) of fingerprint according to total reflection principle, which beam incident optical and finger
The recess (paddy of fingerprint) of line contacts, to collect optical fingerprint image.
Wherein, before executing step 301, user can enter system main interface.In system main interface, it can set
It sets and clicks typing fingerprint or addition fingerprint, so as to light the fingerprint collecting region of touching display screen, guidance in interface
User presses in fingerprint collecting region, typing fingerprint, thereby executing the fingerprint typing process of the application.
Optionally, electronic equipment can detect first in the fingerprint collecting region of touching display screen by pressure sensor
Fingerprint pressing operation.Wherein, the fingerprint collecting region of touching display screen can also include pressure sensor, and pressure sensor can be with
The pressure of user's finger is incuded, to detect whether to generate pressing operation.
Optionally, electronic equipment can also detect the in the fingerprint collecting region of touching display screen by optical sensor
One fingerprint pressing operation.Wherein, the lower section in the fingerprint collecting region of touching display screen can also include optical sensor, and optics passes
Sensor can detect whether to generate pressing operation according to the light intensity of fingerprint collecting region internal reflection.It should be noted that
Optical sensor can be the component part for shielding lower fingerprint sensor, be also possible to the sensor being separately provided, and the application is implemented
Example is without limitation.
302, electronic equipment refers to by generate during the first fingerprint pressing operation of fingerprint sensor acquisition under shielding first
Print image.
In the embodiment of the present application, when user's finger presses in fingerprint collecting region, electronic equipment can detecte by
Press operation, and then open and shield lower fingerprint sensor, it is produced during acquiring the first fingerprint pressing operation by fingerprint sensor under shielding
The first raw fingerprint image.
After shielding the first fingerprint image of lower fingerprint sensor acquisition, the processor that can give electronic equipment is handled simultaneously
The quality of first fingerprint image is evaluated.Specifically, can be according to the fingerprint area coverage of the first fingerprint image, effectively finger
The quantity of line pixel evaluates the quality of the first fingerprint image.Effective fingerprint pixel refers to that processor can identify
Fingerprint pixel.When finger has oil, sweat stain, water stain, spot, the first fingerprint image for shielding lower fingerprint sensor acquisition can go out
Now invalid fingerprint pixel.Wherein, the processor of electronic equipment can be the processing unit shielded in lower fingerprint sensor, can also be with
The processor of fingerprint image is handled under being central processing unit or shielding in fingerprint mould group, the embodiment of the present application does not limit
It is fixed.
In general, the quantity of bigger, the effective fingerprint pixel of fingerprint area coverage is more, then the matter of the first fingerprint image
Amount evaluation is higher.The quality evaluation of first fingerprint image can be presented in the form of quality score, can also be with credit rating
Form is presented.
303, if the picture quality of the first fingerprint image is less than the first preset threshold, electronic equipment is by shielding lower fingerprint sensing
Device resurveys the second fingerprint image generated during the first fingerprint pressing operation.
In the embodiment of the present application, the first preset threshold is that the higher more perfect fingerprint image of quality of setting can accord with
The requirement of conjunction.Since user is in typing fingerprint, the direction of finger pressing, dynamics, finger whether have spot, environment light it is strong
It is weak, the picture quality for the fingerprint image for shielding lower fingerprint sensor acquisition can all be impacted.After the pressing operation of user,
The picture quality for shielding the fingerprint image of lower fingerprint sensor acquisition may be preferably, it is also possible to poor.
If the picture quality of the first fingerprint image less than the first preset threshold, shows the image matter of first fingerprint image
Amount does not reach more perfect requirement.At this point, electronic equipment resurveys the pressing of the first fingerprint by shielding lower fingerprint sensor
The second fingerprint image generated in operating process.Second fingerprint image is during the first fingerprint pressing operation by fingerprint under shielding
What sensor resurveyed, that is to say, that the application acquires fingerprint image twice during a pressing operation, without lift
Fingerprint image twice can be acquired by playing finger.
304, if the picture quality of the second fingerprint image is greater than or equal to the first preset threshold, electronic equipment typing second refers to
Print image.
In the embodiment of the present application, when the picture quality of the second fingerprint image is greater than or equal to the first preset threshold, show
The picture quality of second fingerprint image reaches more perfect requirement, and the picture quality of the second fingerprint image is greater than first and refers to
The picture quality of print image, therefore the second fingerprint image of typing.During typing fingerprint image, finger can not lifted
In the case of acquire fingerprint image twice, the only highest fingerprint image of typing picture quality reduces the finger in fingerprint Input Process
Compression number improves the efficiency of fingerprint typing.Further, since the picture quality of the fingerprint image of typing is higher every time, Ke Yiti
The success rate of high subsequent fingerprint identification.
Optionally, the embodiment of the present application can also include the following steps:
If the picture quality of the first fingerprint image is greater than or equal to the first preset threshold, the first fingerprint image of electronic equipment typing
Picture.
In the embodiment of the present application, if the picture quality of the first fingerprint image is greater than or equal to the first preset threshold, show
The picture quality of first fingerprint image reaches the matter of the fingerprint image acquired under more perfect requirement namely the first pressing operation
Amount is relatively good, shields lower fingerprint sensor and is not necessarily to acquire the second fingerprint image again under the first time pressing operation, electricity
Sub- the first fingerprint image of equipment typing, can be completed the fingerprint image acquisition under the first time pressing operation, is pressed next time
Fingerprint image acquisition under press operation, or terminate fingerprint typing.The embodiment of the present application passes through the fingerprint image quality to acquisition
It is analyzed, decides whether to acquire a fingerprint image again after a pressing operation, the picture quality of acquisition can be taken into account
It is required that and save fingerprint typing duration.
Optionally, it is generated during fingerprint sensor resurveys the first fingerprint pressing operation under electronic equipment is by screen
The second fingerprint image before, the embodiment of the present application can also include the following steps:
(11) electronic equipment detects the pressure value of the first fingerprint pressing operation, if pressure value is not at preset pressure value area
Between, and pressure value be less than preset pressure value section lower limit when, electronic equipment output increase pressing dynamics prompt information；
(12) if pressure value is not at preset pressure value section, and when pressure value is greater than the upper limit in preset pressure value section,
Electronic equipment output reduces the prompt information of pressing dynamics.
In the embodiment of the present application, pressure sensor can be set in fingerprint collecting region, the pressure sensor is for adopting
Collect the pressure of the finger pressing of user.For fingerprint sensor under optical panel, if press pressure is smaller, under optical panel
The fingerprint area coverage of the fingerprint image of fingerprint sensor acquisition and effective fingerprint pixel are smaller, fingerprint sensing under optical panel
Device can not obtain the higher fingerprint image of quality.The embodiment of the present application assists carrying out fingerprint record by increasing pressure sensor
Enter, user is guided to press fingerprint collecting region with certain pressing dynamics, so that shielding lower fingerprint sensor acquisition quality more
High fingerprint image.
Wherein, preset pressure value section is set in advance, and the memory that can store in electronic equipment is (non-volatile
Property memory) in.
Optionally, picture quality is determined based on fingerprint area coverage and the quantity of effective fingerprint pixel.
In the embodiment of the present application, during typing fingerprint image, two can be acquired in the case where not lifting finger
Secondary fingerprint image, the only highest fingerprint image of typing picture quality, and the success rate of subsequent fingerprint identification can be improved, it avoids
There is higher misclassification rate (false accept rate, FAR) when identifying in subsequent fingerprint.
Referring to Fig. 4, Fig. 4 is the flow diagram of another kind fingerprint input method disclosed in the embodiment of the present application, Fig. 4 is
It is advanced optimized on the basis of Fig. 3.As shown in figure 4, the fingerprint input method includes the following steps.
401, electronic equipment detects the first fingerprint pressing operation in the fingerprint collecting region of touching display screen.
402, electronic equipment refers to by generate during the first fingerprint pressing operation of fingerprint sensor acquisition under shielding first
Print image.
403, if the picture quality of the first fingerprint image is less than the first preset threshold, electronic equipment is by shielding lower fingerprint sensing
Device resurveys the second fingerprint image generated during the first fingerprint pressing operation.
404, if the picture quality of the second fingerprint image is greater than or equal to the first preset threshold, electronic equipment typing second refers to
Print image.
The specific implementation of step 401 to step 404 in the embodiment of the present application may refer to step 301 shown in Fig. 3 to
Step 304, details are not described herein again.
405, if the picture quality of the second fingerprint image, less than the first preset threshold, electronic equipment determines the first fingerprint image
With the highest image of picture quality in the second fingerprint image.
406, if the picture quality of the highest fingerprint image of picture quality is big in the first fingerprint image and the second fingerprint image
In or be equal to the second preset threshold, the highest figure of picture quality in the first fingerprint image of electronic equipment typing and the second fingerprint image
Picture, the second preset threshold is less than the first preset threshold.
In the embodiment of the present application, if the picture quality of the second fingerprint image shows the first finger less than the first preset threshold
The picture quality of print image and the second fingerprint image is respectively less than the first preset threshold, and the picture quality of fingerprint image does not all reach
It is more perfect to require.It is relatively difficult, the application reality since the picture quality of fingerprint image reaches more perfect requirement
It applies example and the second preset threshold is set, the first preset threshold be the wanting of can meeting of the more general fingerprint image of quality set
It asks.When the picture quality of fingerprint image is between the first preset threshold and the second preset threshold, though show the fingerprint image
More perfect requirement so is not achieved, but general requirement can be reached, in order not to waste the fingerprint collecting of the secondary pressing operation
As a result, can also select the fingerprint image typing.Quality is general and the more perfect difference of quality, and can be fingerprint image has
Imitate the difference of the quantity of fingerprint pixel, the difference of the size of fingerprint area coverage.
It is default can be respectively less than first in the picture quality of the first fingerprint image and the second fingerprint image for the embodiment of the present application
When threshold value, fingerprint image quality highest and fingerprint image quality is selected to be greater than the from the first fingerprint image and the second fingerprint image
The fingerprint image typing of two preset thresholds, can be to avoid only the fingerprint image of typing high quality leads to the number of fingerprint typing every time
Excessively, fingerprint entry time is too long.
Optionally, the embodiment of the present application can also include the following steps:
If the picture quality of the highest fingerprint image of picture quality is less than in the first fingerprint image and the second fingerprint image
Two preset thresholds, electronic equipment export the prompt information of typing failure, and prompt information is for prompting user to re-start pressing behaviour
Make.
In the embodiment of the present application, if the highest fingerprint image of picture quality in the first fingerprint image and the second fingerprint image
Picture quality less than the second preset threshold, show that the first fingerprint image and the second fingerprint image are unable to reach fingerprint image record
The minimum requirements entered, therefore the secondary fingerprint image typing is abandoned, and user is prompted to re-start pressing operation.The image of fingerprint image
Quality is lower than the second preset threshold, and it is more fuzzy to can be the fingerprint image.For example, for fingerprint sensor under optical panel and
It says, the time for the fingerprint collecting that fingerprint sensor needs at present under optical panel is commonly higher, it usually needs 150ms or more, in reality
It is found in the test of border, in the typing of fingerprint image, even finger lifts at once after acquisition movement is completed, the finger being actually formed
Print image is also possible to relatively to obscure, it is difficult to reach minimum requirements.
Optionally, the embodiment of the present application can also include the following steps:
(21) if the picture quality for shielding N number of fingerprint image of lower fingerprint sensor continuous acquisition is below the second default threshold
Value, electronic equipment open camera, acquire face information, and N is the integer more than or equal to 2；
(22) electronic equipment verifying face information with prestore whether face template matches；
(23) if mismatching, electronic equipment exits fingerprint typing mode, into screen locking pattern.
In the embodiment of the present application, if the picture quality for shielding N number of fingerprint image of lower fingerprint sensor continuous acquisition is below
Second preset threshold, it is likely that be the case where being strayed into fingerprint typing mode by child, if lasting prompting user records again
Enter, since the process power consumption of fingerprint typing is higher, may result in electronic equipment and kwh loss occur.The embodiment of the present application mentions
A kind of scheme discerned whether as accidentally typing is supplied.Electronic equipment can be in N number of fingerprint of fingerprint sensor continuous acquisition under screen
In the case that the picture quality of image is below the second preset threshold, camera is opened, acquires face information, and by the people of acquisition
Face information is compared with face template is prestored, if it does not match, electronic equipment exits fingerprint typing mode, into screen locking mould
Formula.The locked mode of screen locking pattern, as screen.It, can since system has logged out fingerprint typing mode under screen locking pattern
To prevent child from reentering fingerprint typing mode, so as to save the electricity of electronic equipment.
In the embodiment of the present application, during typing fingerprint image, two can be acquired in the case where not lifting finger
Secondary fingerprint image, only the highest fingerprint image of typing picture quality, can be improved the success rate of subsequent fingerprint identification.
It is above-mentioned that mainly the scheme of the embodiment of the present application is described from the angle of method side implementation procedure.It is understood that
, in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software mould for electronic equipment
Block.Those skilled in the art should be readily appreciated that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, the present invention can be realized with the combining form of hardware or hardware and computer software.Some function actually with
Hardware or computer software drive the mode of hardware to execute, the specific application and design constraint item depending on technical solution
Part.Professional technician can specifically realize described function to each using distinct methods, but this reality
Now it should not be considered as beyond the scope of the present invention.
The embodiment of the present application can carry out the division of functional unit according to above method example to electronic equipment, for example, can
With each functional unit of each function division of correspondence, two or more functions can also be integrated in a processing unit
In.Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.It needs
It is noted that be schematical, only a kind of logical function partition to the division of unit in the embodiment of the present application, it is practical real
It is current that there may be another division manner.
Referring to Fig. 5, Fig. 5 is a kind of structural schematic diagram of fingerprint input device disclosed in the embodiment of the present application.The fingerprint
Input device is applied to including touching display screen, shield the electronic equipment of lower fingerprint sensor, and touching display screen includes fingerprint collecting
The lower section that lower fingerprint sensor is located at fingerprint collecting region is shielded, as shown in figure 5, the fingerprint input device 500 includes detection in region
Unit 501, acquisition unit 502 and typing unit 503, in which:
The detection unit 501, the first fingerprint pressing operation in fingerprint collecting region for detecting touching display screen；
The acquisition unit 502, in by being produced during shielding lower fingerprint sensor to acquire the first fingerprint pressing operation
The first raw fingerprint image；
The acquisition unit 502 is also used to the picture quality in first fingerprint image less than the first preset threshold
Situation resurveys the second fingerprint image generated during the first fingerprint pressing operation by fingerprint sensor under the screen
Picture；
It is pre- to be greater than or equal to described first for the picture quality in second fingerprint image for the typing unit 503
If in the case where threshold value, the second fingerprint image described in typing.
Optionally, which can also include determination unit 504.
The determination unit 504 is less than first preset threshold for the picture quality in second fingerprint image
In the case where, determine the highest image of picture quality in first fingerprint image and second fingerprint image；
The typing unit 503 is also used to the picture quality in first fingerprint image and second fingerprint image
The picture quality of highest fingerprint image be greater than or equal to the second preset threshold in the case where, the first fingerprint image described in typing and
The highest image of picture quality in second fingerprint image, second preset threshold are less than first preset threshold.
Optionally, which can also include output unit 505.
It is highest to be used for the picture quality in first fingerprint image and second fingerprint image for output unit 505
In the case that the picture quality of fingerprint image is less than the second preset threshold, the prompt information of output typing failure, the prompt letter
Breath is for prompting user to re-start pressing operation.
Optionally, which can also include opening unit 506 and authentication unit 507 and processing unit
508, in which:
Opening unit 506, the picture quality for N number of fingerprint image of fingerprint sensor continuous acquisition under the screen are equal
In the case where second preset threshold, camera is opened, acquires face information, N is the integer more than or equal to 2；
Authentication unit 507, for verify the face information with prestore whether face template matches；
Processing unit 508, for verifying the face information in authentication unit 507 and prestoring the unmatched feelings of face template
Under condition, fingerprint typing mode is exited, into screen locking pattern.
Optionally, the typing unit 503 is also used to be greater than or equal to institute in the picture quality of first fingerprint image
In the case where stating the first preset threshold, the first fingerprint image described in typing.
Optionally, detection unit 501 are also used in the acquisition unit 502 through fingerprint sensor under the screen again
Before acquiring the second fingerprint image generated during the first fingerprint pressing operation, the first fingerprint pressing operation is detected
Pressure value；
Output unit 505 is also used to be not at preset pressure value section in the pressure value, and the pressure value is less than institute
In the case where the lower limit for stating preset pressure value section, output increases the prompt information of pressing dynamics；
Output unit 505 is also used to be not at preset pressure value section in the pressure value, and the pressure value is greater than institute
In the case where the upper limit for stating preset pressure value section, output reduces the prompt information of pressing dynamics.
Optionally, described image quality is determined based on fingerprint area coverage and the quantity of effective fingerprint pixel.
Wherein, detection unit 501 and output unit 505 can be the touching display screen in electronic equipment, acquisition unit 502
It can be fingerprint sensor under the screen in electronic equipment, typing unit 503, determination unit 504, opening unit 505, authentication unit
506, processing unit 508 can be the processor in electronic equipment.
Implement fingerprint input device shown in fig. 5, during typing fingerprint image, finger can not lifted
In the case of acquire fingerprint image twice, the only highest fingerprint image of typing picture quality, can be improved subsequent fingerprint identification at
Power.
Referring to Fig. 6, Fig. 6 is the structural schematic diagram of another kind electronic equipment disclosed in the embodiment of the present application.Such as Fig. 6 institute
Show, which includes processor 601 and memory 602, wherein electronic equipment 600 can also include bus 603, place
Reason device 601 and memory 602 can be connected with each other by bus 603, and bus 603 can be Peripheral Component Interconnect standard
(Peripheral Component Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended
Industry Standard Architecture, abbreviation EISA) bus etc..It is total that bus 603 can be divided into address bus, data
Line, control bus etc..Only to be indicated with a thick line in Fig. 6, it is not intended that an only bus or a type convenient for indicating
The bus of type.Wherein, electronic equipment 600 can also include input-output equipment 604, and input-output equipment 604 may include touching
Control display screen, such as liquid crystal display, OLED display screen etc..Memory 602 is used to store one or more journeys comprising instruction
Sequence；Processor 601 is used to call the above-mentioned Fig. 3 of the instruction execution method some or all of into Fig. 4 of storage in the memory 602
Step.
Implement electronic equipment shown in fig. 6, it, can be in the case where not lifting finger during typing fingerprint image
Fingerprint image twice is acquired, only the highest fingerprint image of typing picture quality, the success rate of subsequent fingerprint identification can be improved.
The embodiment of the present application also provides a kind of computer storage medium, wherein computer storage medium storage is for electricity
The computer program of subdata exchange, it is as any in recorded in above method embodiment which execute computer
A kind of some or all of fingerprint input method step.
The embodiment of the present application also provides a kind of computer program product, which includes storing computer
The non-transient computer readable storage medium of program, the computer program are operable to execute computer as the above method is real
Apply some or all of any fingerprint input method recorded in example step.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of the unit, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer-readable access to memory.Based on this understanding, technical solution of the present invention substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment the method for the present invention
Step.And memory above-mentioned includes: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic or disk.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory
May include: flash disk, read-only memory (English: Read-Only Memory, referred to as: ROM), random access device (English:
Random Access Memory, referred to as: RAM), disk or CD etc..
The embodiment of the present application is described in detail above, specific case used herein to the principle of the present invention and
Embodiment is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the present invention
There is change place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of fingerprint input method characterized by comprising
Detect the first fingerprint pressing operation in the fingerprint collecting region of touching display screen；
The first fingerprint image generated during the first fingerprint pressing operation is acquired by shielding lower fingerprint sensor；
If the picture quality of first fingerprint image is adopted less than the first preset threshold by fingerprint sensor under the screen again
Collect the second fingerprint image generated during the first fingerprint pressing operation；
If the picture quality of second fingerprint image is greater than or equal to first preset threshold, the second fingerprint image described in typing
Picture.
2. the method according to claim 1, wherein the method also includes:
If the picture quality of second fingerprint image is less than first preset threshold, first fingerprint image and institute are determined
State the highest image of picture quality in the second fingerprint image；
If the picture quality of the highest fingerprint image of picture quality is big in first fingerprint image and second fingerprint image
In or be equal to the second preset threshold, the highest figure of picture quality in the first fingerprint image and second fingerprint image described in typing
Picture, second preset threshold are less than first preset threshold.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
If the picture quality of the highest fingerprint image of picture quality is small in first fingerprint image and second fingerprint image
In the second preset threshold, the prompt information of typing failure is exported, the prompt information is for prompting user to re-start pressing behaviour
Make.
4. according to the method in claim 2 or 3, which is characterized in that the method also includes:
If the picture quality of N number of fingerprint image of fingerprint sensor continuous acquisition is below the described second default threshold under the screen
Value opens camera, acquires face information, and N is the integer more than or equal to 2；
Verify the face information with prestore whether face template matches；
If mismatching, fingerprint typing mode is exited, into screen locking pattern.
5. method according to any one of claims 1 to 4, which is characterized in that the method also includes:
If the picture quality of first fingerprint image is greater than or equal to first preset threshold, the first fingerprint image described in typing
Picture.
6. described in any item methods according to claim 1~5, which is characterized in that described to pass through fingerprint sensor under the screen
Before resurveying the second fingerprint image generated during the first fingerprint pressing operation, the method also includes:
The pressure value of the first fingerprint pressing operation is detected, if the pressure value is not at preset pressure value section, and described
When pressure value is less than the lower limit in the preset pressure value section, output increases the prompt information of pressing dynamics；
If the pressure value is not at preset pressure value section, and the pressure value is greater than the upper limit in the preset pressure value section
When, output reduces the prompt information of pressing dynamics.
7. described in any item methods according to claim 1~6, which is characterized in that described image quality is based on fingerprint covering surface
Long-pending and effective fingerprint pixel quantity determines.
8. a kind of fingerprint input device, which is characterized in that described device is applied to including touching display screen, shields lower fingerprint sensor
Electronic equipment, the touching display screen includes fingerprint collecting region, and fingerprint sensor is for acquiring the fingerprint under the screen
Fingerprint image in pickup area, described device include:
Detection unit, the first fingerprint pressing operation in fingerprint collecting region for detecting touching display screen；
Acquisition unit, for acquiring the first finger generated during the first fingerprint pressing operation by shielding lower fingerprint sensor
Print image；
The acquisition unit is also used to the case where the picture quality of first fingerprint image is less than the first preset threshold, is led to
It crosses fingerprint sensor under the screen and resurveys the second fingerprint image generated during the first fingerprint pressing operation；
Typing unit, for the picture quality in second fingerprint image be greater than or equal to first preset threshold the case where
Under, the second fingerprint image described in typing.
9. a kind of electronic equipment, which is characterized in that including touching display screen, shield lower fingerprint sensor, processor and memory,
For storing one or more programs, one or more of programs are configured to be executed by the processor memory,
Described program includes for executing method as described in any one of claims 1 to 7.
10. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium is for storing electron number
According to the computer program of exchange, wherein the computer program executes computer as described in any one of claim 1~7
Method.
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| CN110378263A (en) * | 2019-07-08 | 2019-10-25 | Oppo广东移动通信有限公司 | Fingerprint identification method and Related product |
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