CN109389090A - Fingerprint input method and device - Google Patents
Fingerprint input method and device Download PDFInfo
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- CN109389090A CN109389090A CN201811224766.2A CN201811224766A CN109389090A CN 109389090 A CN109389090 A CN 109389090A CN 201811224766 A CN201811224766 A CN 201811224766A CN 109389090 A CN109389090 A CN 109389090A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
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Abstract
The disclosure is directed to a kind of fingerprint input method and devices.This method comprises: obtaining the current pressing position of target object when carrying out fingerprint typing operation；Obtain the distance between pressing position of target object difference when the current pressing position of the target object and last fingerprint typing operation；When the distance difference exceeds threshold distance, this fingerprint recording program is executed.The disclosure can simplify the complexity of fingerprint typing, to promote user experience.
Description
Technical field
This disclosure relates to technical field of data recognition more particularly to a kind of fingerprint input method and device.
Background technique
The recognition principle of optical finger print is realized based on total reflection and two kinds of physical phenomenons of diffusing reflection.That is: in no hand
In the case where referring to pressing, light can be all totally reflected on the surface of entire fingerprint pressing area, and image acquisition units are adopted at this time
The image collected is blank out；In the case where there is finger pressing, the protrusion on fingerprint surface can be with the table of fingerprint pressing area
Face is in contact, and light can generate diffusing reflection in the prominence on fingerprint surface, to form in white and black high contrast fingerprint image
Picture.
Wherein, optical finger print refers to by means of showing screen such as OLED (Organic LightEmitting in face
Diode, Organic Light Emitting Diode) screen self-luminous property and fingerprint sensor is arranged in the lower section of screen, to pass through screen
Curtain light source exposes to fingerprint pressing area, then required fingerprint image is formed based on above-mentioned principle.Based on this, the relevant technologies exist
In carry out face when the typing operation of optical finger print, one fingerprint template of every formation all needs up to 20 times fingerprint typings, Er Qiexiang
Lifting and pressing for finger is all needed between adjacent fingerprint typing operation twice, therefore is haveed the defects that inconvenient for use.
Summary of the invention
To overcome the problems in correlation technique, the embodiment of the present disclosure provides a kind of fingerprint input method and device.Institute
It is as follows to state technical solution:
According to the first aspect of the embodiments of the present disclosure, a kind of fingerprint input method is provided, comprising:
When carrying out fingerprint typing operation, the current pressing position of target object is obtained；
Obtain pressing for target object when the current pressing position of the target object is operated with last fingerprint typing
Press the distance between position difference；
When the distance difference exceeds threshold distance, this fingerprint recording program is executed.
In one embodiment, described this fingerprint recording program of execution includes:
Acquire the corresponding fingerprint image of the current pressing position of the target object；
It is taken the fingerprint and characteristic information and is stored in fingerprint template according to the fingerprint image.
In one embodiment, described when carrying out fingerprint typing operation, obtain the current pressing position packet of target object
It includes:
When carrying out fingerprint typing operation, the residue degree of fingerprint typing is obtained；
In the residue degree non-zero of the fingerprint typing, the current pressing position of target object is obtained.
In one embodiment, the current pressing position of target object that obtains includes:
Obtain the current press pressure of target object；
When the press pressure exceeds threshold pressure, the corresponding pressing position of the current press pressure is obtained.
In one embodiment, the method also includes:
After obtaining the current pressing position of target object, judge whether the fingerprint typing operation is typing for the first time；
If the fingerprint typing operation is typing for the first time, executes this fingerprint recording program and store the described of this acquisition
The current pressing position of target object.
In one embodiment, if fingerprint typing operation is typing for the first time, this fingerprint recording program is executed
Include:
If the fingerprint typing operation is typing for the first time, screen opening hi-bright mode is controlled；
After detecting the screen opening hi-bright mode, this fingerprint recording program is executed.
In one embodiment, the method also includes:
After having executed this fingerprint recording program, the residue degree of the fingerprint typing is updated.
In one embodiment, the method also includes:
When the residue degree of the fingerprint typing is zero, control screen closes hi-bright mode；
After detecting that the screen closes hi-bright mode, fingerprint typing END instruction is generated.
According to the second aspect of an embodiment of the present disclosure, a kind of fingerprint input device is provided, comprising:
Position acquisition module, for obtaining the current pressing position of target object when carrying out fingerprint typing operation；
Apart from detection module, when for obtaining the current pressing position of the target object and last fingerprint typing operation
The distance between the pressing position of target object difference；
First recording module, for executing this fingerprint recording program when the distance difference exceeds threshold distance.
In one embodiment, first recording module includes:
Image acquisition units, for acquiring the corresponding fingerprint image of the current pressing position of the target object；
Feature extraction unit characteristic information and is stored in fingerprint template for being taken the fingerprint according to the fingerprint image.
In one embodiment, the position acquisition module includes:
Number detection unit, for obtaining the residue degree of fingerprint typing when carrying out fingerprint typing operation；
It is current to obtain target object in the residue degree non-zero of the fingerprint typing for position acquisition submodule
Pressing position.
In one embodiment, the position acquisition submodule includes:
Pressure acquiring unit, for obtaining the current press pressure of target object；
Position acquisition unit, for obtaining the current press pressure when the press pressure exceeds threshold pressure
Corresponding pressing position.
In one embodiment, described device further include:
Number determination module, for after obtaining the current pressing position of target object, judging the fingerprint typing behaviour
It whether is typing for the first time；
Second recording module, for executing this fingerprint recording program when fingerprint typing operation is typing for the first time
And store the current pressing position of the target object of this acquisition.
In one embodiment, second recording module includes:
Status toggle unit, for controlling screen opening hi-bright mode when fingerprint typing operation is typing for the first time；
Fingerprint typing unit, for executing this fingerprint recording program after detecting the screen opening hi-bright mode.
In one embodiment, described device further include:
Number update module, for updating the residue of the fingerprint typing after having executed this fingerprint recording program
Number.
In one embodiment, described device further include:
Status control module, for when the residue degree of the fingerprint typing is zero, control screen to close hi-bright mode；
Typing ending module, for generating fingerprint typing END instruction after detecting that the screen closes hi-bright mode.
According to the third aspect of an embodiment of the present disclosure, a kind of fingerprint input device is provided, comprising:
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
When carrying out fingerprint typing operation, the current pressing position of target object is obtained；
Obtain pressing for target object when the current pressing position of the target object is operated with last fingerprint typing
Press the distance between position difference；
When the distance difference exceeds threshold distance, this fingerprint recording program is executed.
According to a fourth aspect of embodiments of the present disclosure, a kind of computer readable storage medium is provided, calculating is stored thereon with
Machine instruction, when which is executed by processor the step of realization first aspect any embodiment the method.
The technical solution that the embodiment of the present disclosure provides includes following the utility model has the advantages that the technical solution passes through detection target object
The movement of front and back pressing position twice, and the operation of fingerprint typing is executed when moving distance difference exceeds threshold distance, therefore
Finger only need to be moved during fingerprint typing, repeatedly lifting and pressing without finger can effectively simplify in this way
The complexity of fingerprint typing, to promote user experience.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is the flow chart for implementing the fingerprint input method exemplified according to the relevant technologies；
Fig. 2 is the flow chart of fingerprint input method shown according to an exemplary embodiment；
Fig. 3 is the flow chart shown according to an exemplary embodiment for obtaining current press position；
Fig. 4 is the flow chart shown according to an exemplary embodiment for opening fingerprint typing mode；
Fig. 5 is the flow chart shown according to an exemplary embodiment for executing this fingerprint typing；
Fig. 6 is the flow chart shown according to an exemplary embodiment for updating fingerprint typing number；
Fig. 7 is the flow chart shown according to an exemplary embodiment for closing fingerprint typing mode；
Fig. 8 is the overall step flow chart of fingerprint input method shown according to an exemplary embodiment；
Fig. 9 is the module map one of fingerprint input device shown according to an exemplary embodiment；
Figure 10 is the module map two of fingerprint input device shown according to an exemplary embodiment；
Figure 11 is the module map three of fingerprint input device shown according to an exemplary embodiment；
Figure 12 is the module map four of fingerprint input device shown according to an exemplary embodiment；
Figure 13 is the module map five of fingerprint input device shown according to an exemplary embodiment；
Figure 14 is the module map six of fingerprint input device shown according to an exemplary embodiment；
Figure 15 is the module map seven of fingerprint input device shown according to an exemplary embodiment；
Figure 16 is the structural block diagram of fingerprint input device shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 illustrates the flow chart of one of the relevant technologies optical finger print input method.As can be seen from FIG. 1,
The Input Process of the light fingerprint may include: substantially
When S101, user enter fingerprint input interface from system setting, software development framework can then call fingerprint typing
Interface enters fingerprint typing state with notice；
S102, when detect have more than threshold pressure finger pressing when, notice display screen be switched to hi-bright mode, show
Shield the information that steady fingerprint typing can be fed back after the switching for completing hi-bright mode；
S103, receive prepare fingerprint typing information after, confirmation received and distributed after upper primary fingerprint pressing operation
Refer to the movement lifted；
S104, when detecting the finger for having more than threshold pressure pressing, carry out fingerprint typing operation, and according to getting
Fingerprint image extract needed for fingerprint feature information store into fingerprint template；
S105, the residue degree for detecting fingerprint typing, when residue degree is non-zero, notice display screen closes hi-bright mode simultaneously
Return step S102, until notice display screen closes hi-bright mode and terminates fingerprint typing process when residue degree is 0.
Based on above-mentioned process it is found that optical finger print input method in the related technology is when carrying out fingerprint typing operation,
Per it is adjacent twice fingerprint typing operation between require lifting and pressing for finger, therefore use it is very inconvenient, from
And it will affect the experience effect of user.
To solve the above-mentioned problems, the embodiment of the present disclosure provides a kind of fingerprint input method, is related to terminal, the terminal
Including mobile phone, tablet computer, Fingerprint Lock and fingerprint attendance machine etc. using the equipment of optical finger print work, light source can be using interior
The light source module set, can also be using self light emitting display panel as light source, and the disclosure is not construed as limiting this.Based on this, the disclosure
Fingerprint input method provided by embodiment, by the movement of pressing position twice before and after detection target object, and it is mobile away from
Deviation value executes the operation of fingerprint typing when exceeding threshold distance, therefore only need to move finger during fingerprint typing, and
Repeatedly lifting and pressing without finger, can effectively simplify the complexity of fingerprint typing, to promote user experience in this way.
Fig. 2 is the flow chart of fingerprint input method shown according to an exemplary embodiment, which holds
Row main body is terminal device.According to Fig.2, which may include steps of S201~S203:
In step s 201, when carrying out fingerprint typing operation, the current pressing position of target object is obtained.
In the present embodiment, target object refers to the object of characteristic information to be logged, such as finger, toe and other tables
Face has the object of specific lines.
Exemplary, for carrying out fingerprint typing operation on mobile phone, the fingerprint that finger can be placed on mobile phone by user is adopted
Collection region on and apply certain dynamics, be now placed in the sensor below fingerprint collecting region can sense finger by
Pressure, mobile phone can get the coordinate information of the current pressing position of finger by the sensor.
In step S202, target object when obtaining the current pressing position of target object and last fingerprint typing operation
The distance between pressing position difference.
In the present embodiment, distance difference refers to the home position of current press position and the home position of a upper pressing position
The distance between difference, such as current press position a certain characteristic point and a upper pressing position same characteristic point between away from
Deviation value.Wherein, distance difference may include first distance difference and second range difference in orthogonal both direction
Value, distance difference can be compared respectively in the both direction when detecting moving distance.
It is exemplary, using the center of finger as home position, that is, above-mentioned characteristic point for, operated in previous fingerprint typing
In an available characteristic point coordinate to pressing position, i.e., finger centre fingerprint collecting region reference coordinate, at this
The available another feature point coordinate to pressing position, i.e. finger centre working as in fingerprint collecting region in fingerprint typing operation
Preceding coordinate can obtain the distance difference of front and back pressing position twice by comparison changing coordinates and reference coordinate at this time.
Certainly, the present embodiment can also choose multiple characteristic points to detect the distance difference of front and back pressing position twice, with
Facilitate ensuring that the accuracy of shift position detection.Specifically, choosing abscissa (i.e. the coordinate of first direction) first, difference is most
Several big characteristic points, then ordinate (i.e. the coordinate of second direction) difference maximum two is selected based on several characteristic points
Multiple characteristic points that are a or differing greatly, calculate multiple distance differences in this, as test object.
It should be understood that consider current embodiment require that before and after comparison target object pressing position twice range difference
Value, therefore need to store the pressing position currently obtained when carrying out fingerprint typing operation, in order in subsequent process
In compare, as the storage operation be before or after executing fingerprint recording program, the present embodiment is not made this sternly
Lattice limit.
In step S203, when the distance difference of pressing position exceeds threshold distance twice before and after target object, execute
This fingerprint recording program.
In the present embodiment, threshold distance is the critical distance for measuring target object mobile range, once face beyond this
Boundary's distance just represents target object and apparent movement has occurred, and carrying out fingerprint collecting at this time can get different from previous
Effective fingerprint characteristic.Wherein, threshold distance may include the first threshold distance that is set in orthogonal both direction and
Second threshold distance, no matter before and after target object twice the distance difference of pressing position beyond first threshold distance or the second threshold
It is worth distance, this fingerprint recording program can be executed with triggering terminal.
It further, can be with when choosing multiple characteristic points to detect the front and back distance difference of pressing position twice
Setting may be performed as this fingerprint typing journey when the distance difference obtained based on any one characteristic point exceeds threshold distance
The trigger condition of sequence.
Exemplary, for choosing two characteristic points, in order to improve detection accuracy, which can be coordinate difference
Different biggish two o'clock, at this time can be carried out two distance differences obtained based on two characteristic points pair with threshold distance respectively
Than if detecting, any one distance difference is upper beyond threshold distance in any direction, can trigger and executes the record of this fingerprint
Enter program.
Based on the above process, fingerprint input method provided by the embodiment of the present disclosure passes through two before and after detection target object
The movement of secondary pressing position, and the operation of fingerprint typing is executed when moving distance difference exceeds threshold distance, therefore in fingerprint
Finger only need to be moved during typing, repeatedly lifting and pressing without finger can effectively simplify fingerprint record in this way
The complexity entered, to promote user experience.
Fingerprint input method provided by disclosure exemplary embodiment is described in detail with reference to the accompanying drawing.
In step s 201, when carrying out fingerprint typing operation, the current pressing position of target object is obtained.
In this example embodiment, refering to what is shown in Fig. 3, it is described obtain the current pressing position of target object may include as
Lower step S2011~S2013:
In step S2011, the current press pressure of target object is obtained.
Exemplary, for user after entering fingerprint input interface, software development framework (framework) calls fingerprint typing
Hardware abstraction layer (hal layers) interface is to notify that hal layers enter fingerprint typing state.Finger can be placed on terminal example by user at this time
As mobile phone fingerprint collecting region and apply certain dynamics, (APP layers) of application layer of terminal are located at fingerprint collecting by monitoring
The pressure signal that sensor below region detects, to obtain the current press pressure of finger.
In step S2012, judge whether press pressure exceeds threshold pressure.
Exemplary, after getting the current press pressure of finger, terminal handler can be pre- by the press pressure and system
If threshold pressure compare, to judge whether press pressure exceeds threshold pressure, such as can be to press pressure and threshold pressure
Power does subtraction, is considered as press pressure when operation result is greater than or equal to zero beyond threshold pressure, is less than in operation result
It is considered as press pressure when zero without departing from threshold pressure.
In step S2013, if press pressure exceeds threshold pressure, the corresponding pressing position of current press pressure is obtained
It sets.
Exemplary, when judging press pressure beyond threshold pressure, terminal can detect the pressing pressure by sensor
The corresponding pressing position of power, and the pressing position that will acquire is stored；Opposite, judging press pressure without departing from threshold value
When pressure, terminal can also prompt user to increase pressing dynamics by display interface, to exceed threshold pressure in press pressure
Pressing position needed for being obtained when power.
In view of during carrying out fingerprint typing operation, in order to acquire enough fingerprint characteristics, it usually needs in advance
Setting fingerprint typing number simultaneously carries out multiple fingerprint typing operation, to improve the matching of fingerprint recognition in subsequent use process
Degree.Based on this, refering to what is shown in Fig. 3, described when carrying out fingerprint typing operation, the current pressing position of acquisition target object may be used also
To include the following steps S2014~S2015:
In step S2014, when carrying out fingerprint typing operation, the residue degree of fingerprint typing is obtained.
Exemplary, during carrying out fingerprint typing, such as after completing the operation of fingerprint typing for the first time, terminal can be read
The residue degree of print typing, the residue degree can subtract typing number by preset times and obtain, such as when pre-
If when times N=8, fingerprint typing of every completion operation all needs to subtract 1 to obtain residue degree.It should be understood that the residue
Number can be updated when fingerprint typing of every completion operates, to directly acquire the residue degree updated when needed
?.
In step S2015, judge whether the residue degree of fingerprint typing is zero, to obtain mesh in residue degree non-zero
Mark the current pressing position of object.
Exemplary, after the residue degree for getting fingerprint typing, the processor of terminal can carry out residue degree and zero
Comparison, to judge whether residue degree is zero, if the residue degree of fingerprint typing is not zero, terminal can execute acquisition target
The step of object current pressing position, that is, S2011~S2013.It follows that the fingerprint Input Process is a cyclic process, only
Will be in the residue degree non-zero of fingerprint typing, terminal will repeat to obtain finger print information, until its residue degree is zero.
In view of needing to enable the hi-bright mode of screen when carrying out fingerprint typing and operating, therefore after step S201,
After obtaining the current pressing position of target object, refering to what is shown in Fig. 4, the method can also include the following steps S204~
S206:
In step S204, judge whether fingerprint typing operation is typing for the first time.
Exemplary, after entering fingerprint typing mode, finger is placed in the fingerprint collecting region of terminal and applies one by user
Fixed dynamics, if the press pressure that terminal detects finger at this time will then detect this fingerprint typing beyond threshold pressure
Whether operation is typing for the first time, can specifically be judged by obtaining the residue degree of fingerprint typing, if fingerprint typing
Residue degree be equal to fingerprint typing preset times, then be typing for the first time, if the residue degree of fingerprint typing be less than fingerprint record
The preset times entered are then non-typing for the first time.
In step S205, if fingerprint typing operation is typing for the first time, screen opening hi-bright mode is controlled.
Exemplary, when judging fingerprint typing operation for typing for the first time, terminal can be sent to the light source module of screen
State open command, the state open command indicate that the light source module of screen opens hi-bright mode (HBM, High Bright
Mode), light source module responds the state open command and is switched to HBM mode at this time, while generating a typing ready message
(ready information) and the APP layer for feeding back to terminal, and APP layers pass to hal layers after receiving the ready information.Wherein,
The ready information shows that HBM mode has switched successfully, and is ready to carry out fingerprint recording program.
In step S206, after detecting screen opening hi-bright mode, executes this fingerprint recording program and store this
The current pressing position of the target object of secondary acquisition.
Exemplary, the hal layer of terminal just knows that screen is successfully cut when receiving the ready information of light source module feedback
HBM mode is shifted to, terminal can control processor and execute the i.e. operation of fingerprint typing for the first time of this fingerprint typing operation at this time, and will
The pressing position of this finger obtained is stored, in order to provide comparison for the fingerprint typing operation in subsequent process, until
It is before or after executing fingerprint recording program in storage operation, the present embodiment does not make considered critical to this.It needs
Bright: before executing this fingerprint typing operation, terminal can also reaffirm that the press pressure of finger exceeds threshold pressure,
Otherwise user will be prompted to increase pressing dynamics by display interface.
Based on this it is found that needing to detect whether current fingerprint typing operation is for the first time before executing fingerprint recording program
Typing thens follow the steps S205~S206 if typing for the first time, if non-typing for the first time, thens follow the steps S202~S203.
In step S202, target object when obtaining the current pressing position of target object and last fingerprint typing operation
The distance between pressing position difference.
In this example embodiment, due to going forward side by side in the pressing position for can obtain when fingerprint typing operation target object
Row storage, therefore pressing position and this pressing position by obtaining last storage can calculate front and back and press twice
Press the distance between position difference.
Exemplary, when carrying out fingerprint typing operation for the first time, terminal can the control processor execution operation of fingerprint typing for the first time
And store the pressing position of finger, then when carrying out fingerprint typing operation at second, terminal can first obtain finger and work as
Then preceding pressing position obtains the last pressing position for executing and storing when the operation of fingerprint typing for the first time, finally again to this
Two pressing positions compare calculating, to obtain distance difference between the two.
In step S203, when the distance difference of pressing position exceeds threshold distance twice before and after target object, execute
This fingerprint recording program.
In this example embodiment, refering to what is shown in Fig. 5, described this fingerprint recording program of execution may include steps of
S2031~S2033:
In step S2031, judge whether the distance difference of pressing position exceeds threshold distance twice before and after target object.
It is exemplary, front and back is being got twice after the distance difference of pressing position, and the processor of terminal can be by the distance
The threshold distance of difference and systemic presupposition compares, to judge whether the distance difference exceeds threshold distance, such as can be to this
Distance difference and threshold distance do subtraction, be considered as when operation result is greater than or equal to zero distance difference beyond threshold value away from
From being considered as distance difference when operation result is less than zero without departing from threshold distance.
In step S2032, if distance difference exceeds threshold distance, the current pressing position of acquisition target object is corresponding
Fingerprint image.
Exemplary, when judging distance difference beyond threshold distance, terminal can be obtained by optical fingerprint acquisition apparatus
Finger corresponding fingerprint image at the pressing position.It should be noted that the press pressure of finger should exceed threshold value at this time
Pressure should prompt if the press pressure that terminal detects is less than threshold pressure for increasing press pressure.
In step S2033, is taken the fingerprint and characteristic information and be stored in fingerprint template according to fingerprint image.
Exemplary, terminal can be handled collected fingerprint image, to extract effective fingerprint feature information and deposit
It is stored in fingerprint template, which is the progress matched template of fingerprint recognition after the completion of fingerprint typing.The present embodiment closes
The prior art can be referred in the method for Finger print characteristic abstract, I will not elaborate.
On this basis, after having executed fingerprint recording program, refering to what is shown in Fig. 6, the method can also include such as
Lower step S207:
In step S207, the residue degree of fingerprint typing is updated.
It is exemplary, after having executed fingerprint recording program, the residue degree by fingerprint typing is also needed to feed back to APP layers.
Wherein, which specifically can subtract 1 on the basis of the preset times of fingerprint typing, to obtain the surplus of newest fingerprint typing
Complementary degree, such as preset times N=8, fingerprint typing of every completion operation all needs to subtract 1 to obtain residue degree.It needs
Illustrate: the complete fingerprint recording program of execution described here is held including having executed fingerprint recording program and other any time for the first time
Fingerprint recording program is gone, the present embodiment is not construed as limiting this.
Based on above-mentioned steps, refering to what is shown in Fig. 7, the fingerprint input method can also include the following steps S208~
S209:
In step S208, when the residue degree of fingerprint typing is zero, control screen closes hi-bright mode.
It is exemplary, after having executed fingerprint recording program and the fingerprint typing number of update fed back to APP layers,
Terminate to enter fingerprint typing operation next time when previous fingerprint typing operation.The APP layer of terminal can obtain again again at this time
The residue degree of print typing simultaneously judges whether residue degree is zero, when judging the residue degree of fingerprint typing is zero, eventually
End can send a state out code to the light source module of screen, which indicates that the light source module of screen is closed
Hi-bright mode is switched to general mode, and light source module responds the state out code and closes hi-bright mode at this time, raw simultaneously
At an ending message and terminal is fed back to, which shows that hi-bright mode is turned off success.
In step S209, after detecting that screen closes hi-bright mode, fingerprint typing END instruction is generated.
Exemplary, terminal just knows that screen has been successfully closed highlighted mould when receiving the ending message of light source module feedback
Formula, the interface that the APP layer of terminal can be provided by hal layers at this time terminates fingerprint typing process, such as a fingerprint can be generated
Typing END instruction, to terminate the whole flow process of fingerprint typing and exit fingerprint input system.It follows that the present embodiment only exists
Screen opening hi-bright mode is controlled when fingerprint typing for the first time, and screen is controlled after fingerprint last time typing and closes hi-bright mode,
Therefore the open and close repeatedly of light source module in fingerprint Input Process are omitted, which not only simplifies control processes, and
And the phenomenon that improving screen flicker.
Based on the above process it is found that fingerprint input method provided by the embodiment of the present disclosure, on the one hand passes through detection target
The pressing position of object, to realize the multi collect of fingerprint according to the movement of pressing position, so as to simplify fingerprint typing
Complexity, on the other hand by fingerprint typing for the first time operate start when open hi-bright mode, last fingerprint typing operate
After close hi-bright mode, i.e., entire fingerprint Input Process is carried out under hi-bright mode, during which without being highlighted
The switching of mode and general mode, the phenomenon that so as to avoid screen flicker, another further aspect is carrying out fingerprint typing behaviour every time
The size of press pressure can be all detected when making, and only just will do it fingerprint typing operation when press pressure is more than threshold pressure,
So as to guarantee the quality of fingerprint typing.
The realization process of disclosed technique scheme is described in detail with reference to the accompanying drawing.
Fig. 8 is the schematic flow chart of fingerprint input method shown according to an exemplary embodiment, and executing subject is eventually
End equipment.According to Fig.8, after entering fingerprint typing mode, which be may include steps of:
In step S8001, the current press pressure of finger is obtained；
In step S8002, judge whether the press pressure exceeds threshold pressure；
In step S8003, if press pressure exceeds threshold pressure, the current corresponding pressing of press pressure of finger is obtained
Position；
In step S8004, if press pressure prompts user to increase the pressing dynamics of finger without departing from threshold pressure；
In step S8005, judge whether the fingerprint typing currently carried out operation is typing for the first time；
In step S8006, if the fingerprint typing operation currently carried out is typing for the first time, control screen opening highlights mould
Formula；
In step S8007, after detecting screen opening hi-bright mode, executes this fingerprint recording program and store this
The current pressing position of the finger of secondary acquisition；
In step S8008, if the fingerprint typing currently carried out operates non-typing for the first time, the current pressing position of finger is obtained
Set the distance between pressing position of finger difference when operating with last fingerprint typing；
In step S8009, judge whether the distance difference of pressing position exceeds threshold distance twice before and after finger；
In step S8010, if distance difference exceeds threshold distance, the current corresponding fingerprint of pressing position of acquisition finger
Image；
In step S8011, is taken the fingerprint and characteristic information and be stored in fingerprint template according to the fingerprint image of acquisition；
In step S8012, if distance difference prompts the mobile finger position of user without departing from threshold distance；
In step S8013, after having executed this fingerprint recording program, the residue degree of fingerprint typing is updated；
In step S8014, the residue degree of fingerprint typing is obtained；
In step S8015, judge whether the residue degree of fingerprint typing is zero；
In step S8016, in the residue degree non-zero of fingerprint typing, return step S8001；
In step S8017, when the residue degree of fingerprint typing is zero, control screen closes hi-bright mode；
In step S8018, after detecting that screen closes hi-bright mode, fingerprint typing END instruction is generated.
On the one hand the technical solution of the present embodiment passes through the pressing position of detection target object, according to the shifting of pressing position
The multi collect to realize fingerprint is moved, so as to simplify the complexity of fingerprint typing, on the other hand by recording in fingerprint for the first time
Enter to open hi-bright mode when operation starts, close hi-bright mode after last fingerprint typing operation, i.e., entire fingerprint typing
Process is carried out under hi-bright mode, is during which not necessarily to carry out the switching of hi-bright mode and general mode, so as to avoid
The phenomenon that screen flicker, another further aspect only exist in the size for carrying out all detecting press pressure when fingerprint typing operation every time
Press pressure is super
Following is embodiment of the present disclosure, can be used for executing embodiments of the present disclosure.
Fig. 9 is the module frame chart of fingerprint input device shown according to an exemplary embodiment.According to Fig. 9, this refers to
Line input device includes position acquisition module 901, apart from detection module 902 and the first recording module 903.Wherein: position acquisition
Module 901 can be used for obtaining the current pressing position of target object when carrying out fingerprint typing operation；Apart from detection module 902
When can be used for obtaining the current pressing position of target object and last fingerprint typing operation between the pressing position of target object
Distance difference；First recording module 903 can be used for executing this fingerprint typing journey when distance difference is beyond threshold distance
Sequence.
Fingerprint input device provided by the embodiment of the present disclosure can be used for executing above-mentioned fingerprint input method, the side of execution
Formula and beneficial effect are similar to the above embodiments, and which is not described herein again.
In one embodiment, refering to what is shown in Fig. 10, first recording module 903 includes image acquisition units 9031
With feature extraction unit 9032.Wherein, image acquisition units 9031 can be used for acquiring the current pressing position of the target object
Corresponding fingerprint image, feature extraction unit 9032 can be used for taking the fingerprint characteristic information according to fingerprint image and be stored in fingerprint
In template.
In one embodiment, with reference to shown in Figure 11, the position acquisition module 901 includes number detection unit 9011
With position acquisition submodule 9012.Wherein, number detection unit 9011 can be used for obtaining fingerprint when carrying out fingerprint typing operation
The residue degree of typing, position acquisition submodule 9012 can be used for obtaining target object in the residue degree non-zero of fingerprint typing
Current pressing position.
On this basis, with reference to shown in Figure 11, the position acquisition submodule 9012 includes 90121 He of pressure acquiring unit
Position acquisition unit 90122.Wherein, pressure acquiring unit 90121 can be used for obtaining the current press pressure of target object, position
Acquiring unit 90122 can be used for obtaining the corresponding pressing position of current press pressure when press pressure is beyond threshold pressure.
In one embodiment, with reference to shown in Figure 12, described device further includes number determination module 904 and the second typing
Module 905.Wherein, number determination module 904 can be used for after obtaining the current pressing position of target object judging that fingerprint is recorded
Enter whether operation is typing for the first time, the second recording module 905 can be used for executing this when it is typing for the first time that fingerprint typing, which operates,
Fingerprint recording program and the current pressing position of target object for storing this acquisition.
On this basis, with reference to shown in Figure 13, second recording module 905 includes status toggle unit 9051 and fingerprint
Typing unit 9052.Wherein, status toggle unit 9051 can be used for controlling screen when it is typing for the first time that fingerprint typing, which operates, and open
Hi-bright mode is opened, fingerprint typing unit 9052 can be used for after detecting screen opening hi-bright mode executing this fingerprint typing journey
Sequence.
In one embodiment, with reference to shown in Figure 14, described device further includes number update module 906.Wherein, number
Update module 906 can be used for after having executed this fingerprint recording program updating the residue degree of fingerprint typing.
In one embodiment, with reference to shown in Figure 15, described device further includes that status control module 907 and typing terminate
Module 908.Wherein, status control module 907 can be used for controlling screen when the residue degree of fingerprint typing is zero closing and highlight
Mode, typing ending module 908 can be used for after detecting that screen closes hi-bright mode generating fingerprint typing END instruction.
In the technical scheme provided by this disclosed embodiment, pass through the shifting of pressing position twice before and after detection target object
It moves, and executes the operation of fingerprint typing when moving distance difference exceeds threshold distance, therefore during fingerprint typing only
Finger need to be moved, repeatedly lifting and pressing without finger can effectively simplify the complexity of fingerprint typing in this way, thus
Promote user experience.
The embodiment of the present disclosure also provides a kind of fingerprint input device, which includes:
Processor；
Memory for storage processor executable instruction；
Wherein, processor is configured as:
When carrying out fingerprint typing operation, the current pressing position of target object is obtained；
Obtain pressing for target object when the current pressing position of the target object is operated with last fingerprint typing
Press the distance between position difference；
When the distance difference exceeds threshold distance, this fingerprint recording program is executed.
In one embodiment, above-mentioned processor is also configured to:
Acquire the corresponding fingerprint image of the current pressing position of the target object；
It is taken the fingerprint and characteristic information and is stored in fingerprint template according to the fingerprint image.
In one embodiment, above-mentioned processor is also configured to:
When carrying out fingerprint typing operation, the residue degree of fingerprint typing is obtained；
In the residue degree non-zero of the fingerprint typing, the current pressing position of target object is obtained.
In one embodiment, the current pressing position of target object that obtains includes:
Obtain the current press pressure of target object；
When the press pressure exceeds threshold pressure, the corresponding pressing position of the current press pressure is obtained.
In one embodiment, the method also includes:
After obtaining the current pressing position of target object, judge whether the fingerprint typing operation is typing for the first time；
If the fingerprint typing operation is typing for the first time, executes this fingerprint recording program and store the described of this acquisition
The current pressing position of target object.
In one embodiment, if fingerprint typing operation is typing for the first time, this fingerprint recording program is executed
Include:
If the fingerprint typing operation is typing for the first time, screen opening hi-bright mode is controlled；
After detecting the screen opening hi-bright mode, this fingerprint recording program is executed.
In one embodiment, the method also includes:
After having executed this fingerprint recording program, the residue degree of the fingerprint typing is updated.
In one embodiment, the method also includes:
When the residue degree of the fingerprint typing is zero, control screen closes hi-bright mode；
After detecting that the screen closes hi-bright mode, fingerprint typing END instruction is generated.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
Figure 16 is a kind of structural block diagram for fingerprint input device shown according to an exemplary embodiment, the device 16
Suitable for terminal device.For example, the device 16 can be mobile phone, computer, tablet device, Medical Devices, individual digital
Assistant etc..
Device 16 may include following one or more components: processing component 1602, memory 1604, power supply module
1606, multimedia component 1608, audio component 1610, the interface 1612 of input/output (I/O), sensor module 1614, and
Communication component 1616.
The integrated operation of the usual control device 16 of processing component 1602, such as with display, telephone call, data communication, phase
Machine operation and record operate associated operation.Processing component 1602 may include that one or more processors 1620 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 1602 may include one or more modules,
Convenient for the interaction between processing component 1602 and other assemblies.For example, processing component 1602 may include multi-media module, with side
Just the interaction between multimedia component 1608 and processing component 1602.
Memory 1604 is configured as storing various types of data to support the operation in device 16.These data are shown
Example includes the instruction of any application or method for operating on device 16, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 1604 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 1606 provides electric power for the various assemblies of device 16.Power supply module 1606 may include power management system
System, one or more power supplys and other with for device 16 generate, manage, and distribute the associated component of electric power.
Multimedia component 1608 includes the screen of one output interface of offer between described device 16 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 1608 includes a front camera and/or rear camera.When device 16 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 1610 is configured as output and/or input audio signal.For example, audio component 1610 includes a wheat
Gram wind (MIC), when device 16 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone is matched
It is set to reception external audio signal.The received audio signal can be further stored in memory 1604 or via communication set
Part 1616 is sent.In some embodiments, audio component 1610 further includes a loudspeaker, is used for output audio signal.
I/O interface 1612 provides interface, above-mentioned peripheral interface module between processing component 1602 and peripheral interface module
It can be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and
Locking press button.
Sensor module 1614 includes one or more sensors, and the state for providing various aspects for device 16 is commented
Estimate.For example, sensor module 1614 can detecte the state that opens/closes of device 16, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 16, and sensor module 1614 can be with 16 1 components of detection device 16 or device
Position change, the existence or non-existence that user contacts with device 16,16 orientation of device or acceleration/deceleration and the temperature of device 16 become
Change.Sensor module 1614 may include proximity sensor, be configured to detect without any physical contact near
The presence of object.Sensor module 1614 can also include optical sensor, such as CMOS or ccd image sensor, for being imaged
It is used in.In some embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 1616 is configured to facilitate the communication of wired or wireless way between device 16 and other equipment.Device
16 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.In an exemplary implementation
In example, communication component 1616 receives broadcast singal or the related letter of broadcast from external broadcasting management system via broadcast channel
Breath.In one exemplary embodiment, the communication component 1616 further includes near-field communication (NFC) module, to promote short distance logical
Letter.For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) can be based in NFC module
Technology, bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 16 can be believed by one or more application specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic building bricks are realized, for executing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
It such as include the memory 1604 of instruction, above-metioned instruction can be executed by the processor 1620 of device 16 to complete the above method.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
The embodiment of the present disclosure provides a kind of non-transitorycomputer readable storage medium, the instruction in the storage medium
When being executed by the processor of device 16, so that device 16 is able to carry out above-mentioned fingerprint input method, which comprises
When carrying out fingerprint typing operation, the current pressing position of target object is obtained；
Obtain pressing for target object when the current pressing position of the target object is operated with last fingerprint typing
Press the distance between position difference；
When the distance difference exceeds threshold distance, this fingerprint recording program is executed.
In one embodiment, described this fingerprint recording program of execution includes:
Acquire the corresponding fingerprint image of the current pressing position of the target object；
It is taken the fingerprint and characteristic information and is stored in fingerprint template according to the fingerprint image.
In one embodiment, described when carrying out fingerprint typing operation, obtain the current pressing position packet of target object
It includes:
When carrying out fingerprint typing operation, the residue degree of fingerprint typing is obtained；
In the residue degree non-zero of the fingerprint typing, the current pressing position of target object is obtained.
In one embodiment, the current pressing position of target object that obtains includes:
Obtain the current press pressure of target object；
When the press pressure exceeds threshold pressure, the corresponding pressing position of the current press pressure is obtained.
In one embodiment, the method also includes:
After obtaining the current pressing position of target object, judge whether the fingerprint typing operation is typing for the first time；
If the fingerprint typing operation is typing for the first time, executes this fingerprint recording program and store the described of this acquisition
The current pressing position of target object.
In one embodiment, if fingerprint typing operation is typing for the first time, this fingerprint recording program is executed
Include:
If the fingerprint typing operation is typing for the first time, screen opening hi-bright mode is controlled；
After detecting the screen opening hi-bright mode, this fingerprint recording program is executed.
In one embodiment, the method also includes:
After having executed this fingerprint recording program, the residue degree of the fingerprint typing is updated.
In one embodiment, the method also includes:
When the residue degree of the fingerprint typing is zero, control screen closes hi-bright mode；
After detecting that the screen closes hi-bright mode, fingerprint typing END instruction is generated.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (18)
1. a kind of fingerprint input method characterized by comprising
When carrying out fingerprint typing operation, the current pressing position of target object is obtained；
Obtain the pressing position of target object when the current pressing position of the target object and last fingerprint typing operation
The distance between set difference；
When the distance difference exceeds threshold distance, this fingerprint recording program is executed.
2. fingerprint input method according to claim 1, which is characterized in that described this fingerprint recording program packet of execution
It includes:
Acquire the corresponding fingerprint image of the current pressing position of the target object；
It is taken the fingerprint and characteristic information and is stored in fingerprint template according to the fingerprint image.
3. fingerprint input method according to claim 1, which is characterized in that it is described when carrying out fingerprint typing operation, it obtains
The pressing position for taking target object current includes:
When carrying out fingerprint typing operation, the residue degree of fingerprint typing is obtained；
In the residue degree non-zero of the fingerprint typing, the current pressing position of target object is obtained.
4. fingerprint input method according to claim 1 or 3, which is characterized in that the acquisition target object is current to be pressed
Pressure position includes:
Obtain the current press pressure of target object；
When the press pressure exceeds threshold pressure, the corresponding pressing position of the current press pressure is obtained.
5. fingerprint input method according to claim 1, which is characterized in that the method also includes:
After obtaining the current pressing position of target object, judge whether the fingerprint typing operation is typing for the first time；
If the fingerprint typing operation is typing for the first time, executes this fingerprint recording program and store the target of this acquisition
The current pressing position of object.
6. fingerprint input method according to claim 5, which is characterized in that if fingerprint typing operation is for the first time
Typing, executing this fingerprint recording program includes:
If the fingerprint typing operation is typing for the first time, screen opening hi-bright mode is controlled；
After detecting the screen opening hi-bright mode, this fingerprint recording program is executed.
7. fingerprint input method according to claim 1 or 5, which is characterized in that the method also includes:
After having executed this fingerprint recording program, the residue degree of the fingerprint typing is updated.
8. fingerprint input method according to claim 1 or 5, which is characterized in that the method also includes:
When the residue degree of the fingerprint typing is zero, control screen closes hi-bright mode；
After detecting that the screen closes hi-bright mode, fingerprint typing END instruction is generated.
9. a kind of fingerprint input device characterized by comprising
Position acquisition module, for obtaining the current pressing position of target object when carrying out fingerprint typing operation；
Apart from detection module, described in obtaining when the current pressing position of the target object is operated with last fingerprint typing
The distance between pressing position of target object difference；
First recording module, for executing this fingerprint recording program when the distance difference exceeds threshold distance.
10. fingerprint input device according to claim 9, which is characterized in that first recording module includes:
Image acquisition units, for acquiring the corresponding fingerprint image of the current pressing position of the target object；
Feature extraction unit characteristic information and is stored in fingerprint template for being taken the fingerprint according to the fingerprint image.
11. fingerprint input device according to claim 9, which is characterized in that the position acquisition module includes:
Number detection unit, for obtaining the residue degree of fingerprint typing when carrying out fingerprint typing operation；
Position acquisition submodule, in the residue degree non-zero of the fingerprint typing, obtaining the current pressing of target object
Position.
12. fingerprint input device according to claim 11, which is characterized in that the position acquisition submodule includes:
Pressure acquiring unit, for obtaining the current press pressure of target object；
Position acquisition unit, for it is corresponding to obtain the current press pressure when the press pressure exceeds threshold pressure
Pressing position.
13. fingerprint input device according to claim 9, which is characterized in that described device further include:
Number determination module, for after the current pressing position of acquisition target object, judging that the fingerprint typing operates to be
No is typing for the first time；
Second recording module, for executing this fingerprint recording program and depositing when fingerprint typing operation is typing for the first time
Store up the current pressing position of the target object of this acquisition.
14. fingerprint input device according to claim 13, which is characterized in that second recording module includes:
Status toggle unit, for controlling screen opening hi-bright mode when fingerprint typing operation is typing for the first time；
Fingerprint typing unit, for executing this fingerprint recording program after detecting the screen opening hi-bright mode.
15. the fingerprint input device according to claim 9 or 13, which is characterized in that described device further include:
Number update module, for updating the residue degree of the fingerprint typing after having executed this fingerprint recording program.
16. the fingerprint input device according to claim 9 or 13, which is characterized in that described device further include:
Status control module, for when the residue degree of the fingerprint typing is zero, control screen to close hi-bright mode；
Typing ending module, for generating fingerprint typing END instruction after detecting that the screen closes hi-bright mode.
17. a kind of fingerprint input device characterized by comprising
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
When carrying out fingerprint typing operation, the current pressing position of target object is obtained；
Obtain the pressing position of target object when the current pressing position of the target object and last fingerprint typing operation
The distance between set difference；
When the distance difference exceeds threshold distance, this fingerprint recording program is executed.
18. a kind of computer readable storage medium, is stored thereon with computer instruction, which is characterized in that the instruction is by processor
The step of any one of claim 1-8 the method is realized when execution.
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| CN201811224766.2A CN109389090A (en) | 2018-10-19 | 2018-10-19 | Fingerprint input method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811224766.2A CN109389090A (en) | 2018-10-19 | 2018-10-19 | Fingerprint input method and device |
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