CN108713202A

CN108713202A - Method, apparatus and electronic equipment for fingerprint recognition

Info

Publication number: CN108713202A
Application number: CN201880000880.9A
Authority: CN
Inventors: 汤辉
Original assignee: Shenzhen Huiding Technology Co Ltd
Current assignee: Shenzhen Goodix Technology Co Ltd
Priority date: 2018-06-07
Filing date: 2018-06-07
Publication date: 2018-10-26
Also published as: WO2019232756A1

Abstract

Provide a kind of method, apparatus and electronic equipment for fingerprint recognition.This method includes：Determine activation threshold value；When target user presses the pressure value that the display screen in fingerprint collecting region generates and is greater than or equal to the activation threshold value, target fingerprint data are acquired；Fingerprint register or fingerprint recognition are carried out according to the target fingerprint data.The method for fingerprint recognition of the embodiment of the present application is avoided acquires finger print data based on fixed activation threshold value, but before acquiring target fingerprint data, first determine an activation threshold value, and the acquisition operations of target fingerprint data are carried out based on the activation threshold value of this determination, the quality of target fingerprint data can not only be improved, and user experience can be effectively improved.

Description

Method, apparatus and electronic equipment for fingerprint recognition

Technical field

The invention relates to fingerprint recognition fields, and more particularly, to the method, apparatus for fingerprint recognition And electronic equipment.

Background technology

Currently, fingerprint identification technology is in the ascendant under screen, fingerprint identification technology presses fingerprint by user and adopts under screen The display screen for collecting region acquires finger print data, and then carries out the processing of finger print data, to carry out fingerprint register and fingerprint recognition.But It is that when user's flicking display screen, the quality for the finger print data that Pass through above-mentioned technical proposal obtains is likely to excessively poor, no The requirement of fingerprint register or fingerprint recognition can be reached.

In order to solve the above-mentioned technical problem, in the prior art, user's flicking is solved by increasing the pressing dynamics of user The problem of caused data difference.Specifically, an activation threshold value is introduced, i.e., controls whether that triggering refers to by the activation threshold value The acquisition operations of line data.More specifically, user generates pressure value, the pressure value by pressing the display screen in fingerprint collecting region When more than or equal to the activation threshold value, the acquisition operations of finger print data are triggered, on the contrary, when the pressure value is less than the activation threshold value, The acquisition operations of finger print data are not triggered.Wherein, the activation threshold value be for the equipment for carrying out fingerprint recognition it is preconfigured Threshold value.When i.e. different users carries out fingerprint register or fingerprint recognition, control whether to trigger by identical activation threshold value The acquisition operations of finger print data.

But since the different user fingerprints lines depths is different, cause different user different to activation threshold value requirement.Such as Gynophore controls whether different user by identical activation threshold value the acquisition operations of triggering finger print data, it is more likely that causes User experience is poor.

For example, being directed to the deeper user of fingerprint lines, preconfigured activation threshold value is probably excessive, improves fingerprint The acquisition difficulty of data, and then reduce user experience.

In another example for the shallower user of fingerprint lines, preconfigured activation threshold value is probably too small, and then may Cause the quality of the finger print data of acquisition too poor, needs the acquisition for carrying out multiple finger print data, reduce fingerprint recognition or refer to The operating efficiency of line registration, thereby reduces user experience.

Invention content

A kind of method, apparatus and electronic equipment for fingerprint recognition is provided, this is used for the method, apparatus of fingerprint recognition With electronic equipment by adjusting the activation threshold value of the acquisition operations for triggering finger print data, user experience can be improved.

In a first aspect, a kind of method for fingerprint recognition is provided, including：

Determine activation threshold value；

The pressure value that the display screen in fingerprint collecting region generates, which is pressed, in target user is greater than or equal to the firing level When value, target fingerprint data are acquired；

Fingerprint register or fingerprint recognition are carried out according to the target fingerprint data.

The method for fingerprint recognition of the embodiment of the present application is avoided acquires finger print data based on fixed activation threshold value, But before acquiring target fingerprint data, an activation threshold value is first determined, and carry out based on the activation threshold value of this determination The acquisition operations of target fingerprint data can not only improve the quality of target fingerprint data, and can effectively improve user's body It tests.

In some modes in the cards, the determining activation threshold value, including：

Obtain first threshold；

When the pressure value is greater than or equal to the first threshold, the first finger print data is acquired；

According to the quality of first finger print data and the first threshold, the activation threshold value is determined.

In some modes in the cards, the quality according to first finger print data and the first threshold, Determine the activation threshold value, including：

When the quality of first finger print data is unsatisfactory for the quality requirement of fingerprint register or fingerprint recognition, increase described the One threshold value is until second threshold, wherein the second finger print data based on second threshold acquisition is first fit fingerprint register Or the finger print data of the quality requirement of fingerprint recognition；

The second threshold is determined as the activation threshold value.

When the quality of first finger print data meets the quality requirement of fingerprint register or fingerprint recognition, reduce described first Threshold value is until third threshold value, wherein the third finger print data based on the third threshold acquisition is to be unsatisfactory for fingerprint register for the first time Or the finger print data of the quality requirement of fingerprint recognition；

Before the third finger print data and most recently used threshold value will be acquired, is determined as the activation threshold value.

In some modes in the cards, the first threshold is to be pre-configured threshold value, alternatively, the first threshold is institute Target user is stated to carry out pressing the pressure value that the display screen generates when fingerprint register for the first time.

Determine the dedicated activation threshold value of the target user.

Determine the corresponding multiple threshold values of multiple temperature ranges；

Determine target temperature；

By the corresponding threshold value of temperature range belonging to the target temperature, it is determined as the activation threshold value.

In some modes in the cards, the determining target temperature, including：

By temperature sensor, the target temperature is determined.

It is described to carry out fingerprint register or fingerprint knowledge according to the target fingerprint data in some modes in the cards Not, including：

When the quality of the target fingerprint data is unsatisfactory for the quality requirement of fingerprint fingerprint recognition, increase the firing level Value；

Finger print data is resurveyed based on the activation threshold value after increase；

Fingerprint register or fingerprint recognition are carried out based on the finger print data resurveyed.

In some modes in the cards, the method further includes：

The target fingerprint data are shown by display interface, and the target fingerprint data that the display interface is shown are used It is pressed into the pressing dynamics on the display screen in prompt user's adjustment.

Second aspect provides a kind of device for fingerprint recognition, including：

In some modes in the cards, described device includes：

The function of method for executing above-mentioned first aspect or the method in any of the above-described kind of possible realization method Module or unit.

The third aspect provides a kind of electronic equipment, including：

In some modes in the cards, the electronic equipment includes：

The function of method for executing above-mentioned first aspect or the method in any of the above-described kind of possible realization method Module or unit, alternatively, the device for fingerprint recognition of aforementioned second aspect.

Description of the drawings

Fig. 1 is the floor map for the mobile terminal that the embodiment of the present application can be applicable in.

Fig. 2 is partial cutaway schematic view of the mobile terminal shown in FIG. 1 along A-A.

Fig. 3 is the schematic flow chart of the method for fingerprint recognition of the embodiment of the present application.

Fig. 4 is the schematic block diagram of the principle of the capacitance pressure transducer, of the embodiment of the present application.

Fig. 5 is the schematic block diagram of the principle of the resistive pressure sensor of the embodiment of the present application.

Fig. 6 is the schematic diagram of the bridge type resistance pressure transmitter of the embodiment of the present application.

Fig. 7 is the schematic flow chart of the method for fingerprint recognition of the embodiment of the present application.

Fig. 8 is another schematic flow chart of the method for fingerprint recognition of the embodiment of the present application.

Fig. 9 is another schematic flow chart of the method for fingerprint recognition of the embodiment of the present application.

Figure 10 is the schematic block diagram of the device for fingerprint recognition of the embodiment of the present application.

Figure 11 is another schematic block diagram of the device for fingerprint recognition of the embodiment of the present application.

Figure 12 is the schematic block diagram of the electronic equipment of the embodiment of the present application.

Specific implementation mode

Below in conjunction with attached drawing, technical solutions in the embodiments of the present application is described.

As intelligent terminal steps into comprehensive screen epoch, what the space of intelligent terminal front fingerprint button was shielded comprehensively squeezes Pressure, therefore (Under-display or Under-screen) fingerprint identification technology increasingly attracts attention under screen.It is so-called Under-display fingerprint identification devices refer to will be used to carry out fingerprint recognition fingerprint recognition module be mounted on display screen under Side, to realize that the inside in the display area of display screen carries out fingerprint register or fingerprint recognition operation.

Optionally, which is used for completing the module of the acquisition of fingerprint and the identification of fingerprint.The fingerprint recognition Module can be by finger print acquisition module, fingerprint identification module and extended function module (drive module of such as lockset or application) group At.Wherein, finger print acquisition module includes but not limited to：Optical profile type, pressure sensitive, condenser type, inductance type, heat-sensitive type and ultrasonic type Deng.In other words, which can be used for optical finger print identification, ultrasonic fingerprint identification or other kinds of finger Line identifies.

Optionally, the Under-display fingerprint identification devices provided in the embodiment of the present application can be adapted for any match It is equipped with the terminal device of display screen and fingerprint recognition module.For example, intelligent mobile phone, tablet computer and other small sized personals are taken Banding pattern equipment, such as palm PC (Personal Digital Assistant, PDA), e-book (electronic book, E- Book) etc..

Optionally, in above-mentioned terminal device, fingerprint recognition module can be arranged in the lower section of display screen, can with The fingerprint of user is detected and is identified when family is operated by display screen.

In order to make it easy to understand, as example and in non-limiting manner, hereinafter using the terminal device as smart mobile phone, and this refers to Line identification module refers to Under-display provided by the present application for carrying out optical finger print identification as application scenarios Line identification device illustrates.

It please refers to Fig.1 and front that Fig. 2, wherein Fig. 1 are the terminal device 100 that the lower fingerprint identification device of screen can be applicable in shows It is intended to, Fig. 2 is cut-away section structural schematic diagram of the terminal device 100 shown in FIG. 1 along A-A.The terminal device 100 can be specific For smart mobile phone comprising display screen 120 and fingerprint recognition module 140, wherein the display screen 120 has display area 102, The fingerprint recognition module 140 is arranged in the lower section of the display screen 120.

Optionally, display screen 120 can be self light emitting display panel.For example, display screen 120 can be Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display screen or micro-led (Micro-LED) display screen； In other alternate embodiments, the display screen 120 or liquid crystal display (Liquid Crystal Display, LCD) Or other passive light emitting displays, the application are without limitation.

Further, which can also be touching display screen, can not only carry out picture and show, can be with Touch or the pressing operation for detecting user, to provide a personal-machine interactive interface to the user.For example, in a kind of embodiment In, which may include touch sensor, which can be specifically touch panel (Touch Panel, TP), it can be arranged on 120 surface of display screen, partly can also integrate or be monolithically integrated into the display screen 120 Inside, to form touching display screen.

Optionally, the fingerprint recognition module 140 can particularly for carry out optical finger print identification fingerprint recognition module, It is mainly used for the finger print data information for acquiring user；In the present embodiment, which can be arranged at The regional area of 120 lower section of display screen, so that the fingerprint collecting region (or induction region) of the fingerprint recognition module 140 130 are at least partially disposed at the display area 102 of the display screen 120.

Optionally, which can specifically include the optical fingerprint sensor with optical sensor array, Such as optical fingerprint sensor；The optical sensor array includes multiple optical sensor units, and the place of the optical sensor array Region is the fingerprint collecting region 130 of the fingerprint recognition module 140.As shown in Figure 1, the fingerprint collecting region 130 is aobvious positioned at this Among the display area 102 of display screen 120, therefore, user is needing to be unlocked the terminal device or other fingerprint authentications When, it is only necessary to finger is pressed positioned at the fingerprint collecting region 130 of the display screen 120, can realize finger print data Acquisition operations.

By user need carry out fingerprint authentication scene for, when finger touch, pressing or close to (for ease of description, The application is referred to as pressing) at the fingerprint collecting region 130, light that the display unit in the fingerprint collecting region 130 is sent out Occur to reflect in finger and form reflected light, the wherein reflected light can carry the finger print information of user's finger.For example, the light Line is after the fingerprint on user's finger surface reflects, since the reflected light corresponding to the ridge of finger print and paddy is different , therefore reflected light Portable belt has the finger print information of user.The reflected light returns to the display screen 120 and is known by fingerprint below The photodetector array of other module 140 receives and is converted to corresponding electric signal, i.e. fingerprint detection signal.The terminal device 100 can obtain the finger print information of user based on the fingerprint detection signal, and can further carry out fingerprint matching verification, The terminal device 100 is grasped accordingly in order to confirm whether it has permission to complete the authentication of active user Make.

Since fingerprint collecting detection can be realized inside the display area of the display screen 120 102, using the above structure Fingerprint button (such as Home key) is arranged without the special reserved space in its front in terminal device 100, thus may be used comprehensively Screen scheme, therefore, the display area 102 of the display screen 120 can extend substantially to the entire front of the terminal device 100.

Although should be appreciated that in Fig. 1 and embodiment shown in Fig. 2 be fingerprint recognition mould under screen with the fingerprint recognition module For group, in other embodiments, the fingerprint recognition module of the terminal device 100 can also use ultrasonic wave or other types Fingerprint recognition module, when applied to fingerprint recognition scene, correspondingly, which may be used ultrasonic wave Fingerprint sensor or other kinds of fingerprint sensor replace.The application does not make the type and concrete structure of fingerprint sensor It is specifically limited, as long as the performance that above-mentioned fingerprint sensor can meet the progress fingerprint recognition inside the display screen of terminal device is wanted It asks.

By the display screen 120 using for OLED display screen, which has in array arrangement the present embodiment OLED display unit array, which, which can utilize, is located at the fingerprint collecting region in the OLED display screen 120 The excitation light source that 130 OLED display unit (i.e. OLED light source) is identified as fingerprint detection.

It should be understood, of course, that in other replacement implementations, which can also use built-in light source Or external light source provides the optical signal for carrying out fingerprint detection identification, in this case, which refers to Line identification device not only can be adapted for such as OLED display screen self light emitting display panel, can be applicable to non-spontaneous light and shows Screen, for example, liquid crystal display or other passive light emitting displays.Also, the optical sensor array of the fingerprint recognition module 140 Specially optical detector (Photo detector) array comprising multiple optical detectors in array distribution, the optical detection Device can be used as optical sensor unit as described above.

In other alternate embodiments, which can also be arranged entire below the display screen 120 Full frame finger is realized to which the fingerprint collecting region 130 to be expanded to the entire display area 102 of the entire display screen 120 in region Line identifies.

It is also understood that in specific implementation, which can also include cover sheet 110, the cover sheet 110 can be specially transparent cover plate, such as glass cover-plate or sapphire cover board, be located at the top of the display screen 120 and cover The front of the terminal device 100 is covered, and 110 surface of cover sheet is also provided with protective layer.Therefore, the embodiment of the present application In, it can essentially refer to cover board of the finger pressing above the display screen 120 that so-called finger, which presses the display screen 120, 110 or cover the protective layer of the cover board 110.

Further, the lower section of the fingerprint recognition module 140 is also provided with circuit board 150, such as flexible circuit board (Flexible Printed Circuit, FPC), the fingerprint recognition module 140 can pass through pad solder to the circuit board 150, and the electrical interconnection with the other elements of other peripheral circuits or the terminal device 100 is realized by the circuit board 150 And signal transmission.For example, the fingerprint recognition module 140 can receive the processing list of the terminal device 100 by the circuit board 150 The control signal come, and can also be exported the fingerprint detection signal to the place of the terminal device 100 by the circuit board 150 Manage unit or control unit etc..

It should be noted that in practical applications, user is unlocked to the terminal device 100 in needs or other refer to Line verify when, in order to ensure the quality of the finger print data got, need be to control by an activation threshold value The acquisition operations of no triggering finger print data.Specifically, user generates pressure by pressing the display screen in fingerprint collecting region 130 Value triggers the acquisition operations of finger print data when the pressure value is greater than or equal to the activation threshold value, is somebody's turn to do on the contrary, the pressure value is less than When activation threshold value, the acquisition operations of finger print data are not triggered.

Present applicant proposes a kind of fingerprint register or the methods of fingerprint recognition, are first determined before acquiring finger print data One rational activation threshold value, or the activation threshold value is dynamically adjusted during multi collect finger print data, by this Mode acquires finger print data, can not only improve the quality of the finger print data of acquisition, additionally it is possible to effectively improve user experience.

Fig. 3 is the fingerprint register of the application or the schematic flow chart of the method 200 of fingerprint recognition.This method 200 can To be executed by fingerprint identification device, for example, terminal device shown in FIG. 1 100.This method 200 includes following some or all of Content：

As shown in figure 3, this method 200 includes：

S210 determines activation threshold value.

S220 presses the pressure value that the display screen in fingerprint collecting region generates in target user and is greater than or equal to the triggering When threshold value, target fingerprint data are acquired.

S230 carries out fingerprint register or fingerprint recognition according to the target fingerprint data.

The fingerprint identification device of the embodiment of the present application is avoided based on fixed activation threshold value acquisition finger print data, but Before acquiring target fingerprint data, an activation threshold value is first determined, and target is carried out based on the activation threshold value of this determination and is referred to The acquisition operations of line data can not only improve the quality of target fingerprint data, and can effectively improve user experience.

It should be understood that the finger print data used in the embodiment of the present application and the appended claims is only special merely for description The purpose for determining embodiment, is not intended to be limiting the embodiment of the present application.In other alternate embodiments, in the embodiment of the present application The data that finger print data also is understood as fingerprint image or is analyzed based on fingerprint image.

Optionally, the fingerprint identification device in the application can determine that target user presses fingerprint and adopts by pressure sensor Collect the pressure value that the display screen in region generates.

The pressure sensor includes but not limited to：Capacitance pressure transducer, or resistive pressure sensor.

Capacitance pressure transducer, is referred to as " pressure/capacitance type " sensor, and principle is as shown in figure 4, when pressure is applied to When on pole plate 312, which makes the spacing of the capacitor 321 between two-plate 311 and 312 change to change capacitance The size of value.Different size of pressure generates different capacitance variations, and the variable quantity of the capacitance is converted into electric signal, leads to It crosses detection chip and measures the variation of the signal and can detect that the size of relevant pressure.

Resistive pressure sensor is referred to as " pressure resistance type " sensor, and principle is as shown in figure 5, by resistive pressure Sensor 422 is arranged on some stress surface to be detected, and 413 stress of stress supporting body generates deformation, to squeeze or stretch Resistive pressure sensor 422, to make its resistance value that respective change occur.Different pressures size generates different change in resistance, Corresponding strength can be detected by detecting the change in resistance by detection chip.

As shown in fig. 6, four independent resistive pressure sensors, which are combined into bridge type topology, forms bridge type electricity Damping force snesor can inhibit the temperature drift of hardware-level.Wherein, IN+ indicates the positive input of data-signal, IN- tables Show that the negative input of data-signal, VDD indicate input voltage.

In practical applications, it since single pressure sensor is usually smaller, is come to sense as accurately as possible The pressure of each position of touch display screen, it usually needs place multiple pressure sensors in an array manner, these multiple pressure Sensor constitutes array of pressure sensors.

The realization method of the determination activation threshold value in the embodiment of the present application is illustrated below：

Optionally, which can also be that the fingerprint identification device passes through the threshold value that adaptive learning determines.

Optionally, the fingerprint identification device can by analyze based on different threshold acquisitions to finger print data determine one A rational activation threshold value.

Optionally, which can first obtain first threshold；The pressure value is greater than or equal to the first threshold When, which acquires the first finger print data；Then according to the quality of first finger print data and the first threshold, really The fixed activation threshold value.

In one embodiment, the quality of first finger print data is unsatisfactory for fingerprint register or the quality requirement of fingerprint recognition When, increase the first threshold until second threshold, wherein the second finger print data based on second threshold acquisition is first fit The finger print data of fingerprint register or the quality requirement of fingerprint recognition；The second threshold is determined as the activation threshold value.

In another embodiment, the quality of first finger print data meets fingerprint register or the quality requirement of fingerprint recognition When, reduce the first threshold until third threshold value, wherein the third finger print data based on the third threshold acquisition is to be discontented with for the first time The finger print data of sufficient fingerprint register or the quality requirement of fingerprint recognition；By before acquiring the third finger print data and nearest use Threshold value, be determined as the activation threshold value.

Optionally, which is to be pre-configured threshold value.

Optionally, which is the pressure that the target user pressed for the first time when fingerprint register display screen generation Value.

Optionally, the quality of first finger print data can be indicated by least one of following parameter：

Clarity, saturation signal-to-noise ratio (Saturated Signal-to-Noise Ratio, SSNR) and noise (noise) parameter request.

The quality requirement and first fingerprint of fingerprint register or fingerprint recognition are unsatisfactory for the quality of first finger print data The quality of data is for clarity, in practical applications, the clarity of first finger print data is unsatisfactory for for carrying out fingerprint When the clarity of registration or fingerprint recognition requires, increase the first threshold up to second threshold above.

Optionally, which can also be accustomed to pressure value determination or adjustment caused by operation according to user The activation threshold value.

Wherein, user here be accustomed to operation can be understood as user press display screen (for example, carry out fingerprint register or Fingerprint recognition) when accustomed to using pressing dynamics.

By taking the fingerprint identification device adjusts the activation threshold value according to pressure value caused by user's custom operation as an example.One In kind embodiment, for the deeper user of fingerprint lines, if user is accustomed to pressure value caused by operation and is more than the firing level Value can tune up the activation threshold value, and even equal to user is accustomed to pressure value caused by operation, and then improves user experience.

Optionally, which is accustomed to pressure value determination caused by operation according to user or adjusts the triggering Before threshold value, it is thus necessary to determine that the user is accustomed to pressure value caused by operation.

In one embodiment, user generates when carrying out fingerprint register when can user be pressed display screen for the first time Pressure value is determined as the user and is accustomed to pressure value caused by operation.

In another embodiment, which can be by analyzing unlocked by fingerprint or other fingerprint authentication mistakes User presses multiple pressure values that display screen generates in journey, determines that the user is accustomed to pressure value caused by operation.

For example, the average value of multiple pressure value can be determined as the user and is accustomed to operation institute by the fingerprint identification device The pressure value of generation.

It should be understood that the method for fingerprint recognition of the embodiment of the present application is intended to avoid acquiring based on fixed activation threshold value Finger print data, but before acquiring target fingerprint data, first determine an activation threshold value, and based on the triggering of this determination Threshold value carries out the acquisition operations of target fingerprint data, and the embodiment of the present application is to determining that the specific implementation of the activation threshold value is not done It limits.Can be stored in other alternate embodiments, in the fingerprint identification device there are many finger print data and multiple threshold values it Between correspondence, the depth degree of the fingerprint lines of multiple finger print data is different, which can lead to It crosses in multiple finger print data, searches close with the depth degree of fingerprint lines of target user or identical finger print data, And by the depth degree of the fingerprint lines with target user is close or the corresponding threshold value of identical finger print data is determined as this and touches Send out threshold value.Further, which needs the fingerprint line for obtaining the target user before determining the activation threshold value The depth degree information on road.

For example, being directed to the deeper user of fingerprint lines, it may be determined that a lower activation threshold value so that the user passes through Acquisition finger print data can be realized in fingerprint collecting region in flicking display screen, reduces the acquisition difficulty of finger print data.

In another example for the shallower user of fingerprint lines, it may be determined that a larger activation threshold value so that the user adopts The acquisition operations that the finger print data that just sets out is pressed with larger dynamics, can reduce and collect the fingerprint number for being unsatisfactory for quality requirement According to number, and then effectively increase the operating efficiency of fingerprint recognition or fingerprint register, improve user experience.

Optionally, method shown in Fig. 3 may also include：

The fingerprint identification device shows the target fingerprint data, the target that this display interface is shown by display interface Finger print data is used to prompt user's adjustment to be pressed into the pressing dynamics on the display screen.In one embodiment, when user presses When pressure value caused by display screen is less than or is much larger than the activation threshold value, which can pass through particular color Pressing display screen is decreased or increased when reminding the user to need next time using fingerprint function in font display target finger print data Pressing dynamics.

The target fingerprint data that above-mentioned display interface is shown as a result, can not only instruct user's adjustment to be pressed into the display Pressing dynamics on screen so that user presses the close threshold value for being currently used in triggering finger print data of dynamics of display screen, this to set Meter can improve user experience to the greatest extent so that in fingerprint identification process.

The method for determining the activation threshold value in a manner of by increasing the first threshold to the second threshold with reference to Fig. 7 For, the method for the determination of the application activation threshold value is described in detail.

Fig. 7 is that the embodiment of the present application determines the activation threshold value by way of increasing the first threshold to the second threshold Method 500 schematic flow chart.This method 500 can be executed by fingerprint identification device, for example, terminal shown in FIG. 1 is set Standby 100.This method 500 can also be executed by the device for being equipped with the application for determining the activation threshold value, optionally, in target User is used for the first time under the scene of fingerprint function (such as fingerprint register), is triggered the device and is executed this method 500, this method 500 Including following some or all of content：

The finger pressing display screen of S510, target user generate pressure value.

S520, the fingerprint identification device judge whether the pressure value is greater than or equal to first threshold, which can be with To be pre-configured threshold value, or the target user pressed for the first time when fingerprint register the pressure value of display screen generation.

S531 does not acquire the first finger print data when the fingerprint identification device judges that the pressure value is less than the first threshold, should First finger print data is the finger print data acquired based on the first threshold.

S532, the fingerprint identification device show the information for prompting target user to increase pressing dynamics by display screen.

S541 acquires first fingerprint when fingerprint identification device judges that the pressure value is greater than or equal to the first threshold Data.

S542, the fingerprint identification device preanalysis first finger print data.Specifically, the preanalysis of the first finger print data can With by removing background area and otiose region in fingerprint image, while according to the ridge of the target area in fingerprint image Line structural characteristics take preferable filtering method, improve the clarity of crestal line, the burr at smooth crestal line edge and cavity, inhibit Picture noise, ensures the reliable extraction of fingerprint characteristic, and makes bianry image of the greyscale image transitions at black and white, finally obtains crestal line The bianry image of single pixel wide clear in structure, to carry out fingerprint register or fingerprint recognition.

S543, the fingerprint identification device determine that the first finger print data quality is by preanalysis first finger print data The no requirement for meeting fingerprint recognition or fingerprint register.

S544, the fingerprint identification device determine the first finger print data quality not by preanalysis first finger print data When meeting the requirement of fingerprint recognition or fingerprint register, increase the first threshold.Specifically, it can be somebody's turn to do according to particular step size increase First threshold forms the threshold value after increasing, and is then based on the threshold value after increasing and executes step S520.To avoid repeating, to being based on increasing The operation of threshold acquisition finger print data after big does not repeat.

S545, the fingerprint identification device determine that the first finger print data quality is full by preanalysis first finger print data When the requirement of sufficient fingerprint recognition or fingerprint register, which is determined as the activation threshold value.

It should be understood that the method for fingerprint recognition of the embodiment of the present application is intended to avoid acquiring based on fixed activation threshold value Finger print data, but before acquiring target fingerprint data, first determine an activation threshold value, and based on the triggering of this determination Threshold value carries out the acquisition operations of target fingerprint data, and the embodiment of the present application does not do specific limit to the application scenarios of its finger print data It is fixed.In other words, method 200 shown in Fig. 3 can be used for the scene of fingerprint register, can be used for the scene of fingerprint recognition (for example, the scenes such as unlocking screen, the login of application and authentication).It specifically, should under the scene for fingerprint register Fingerprint identification device can be based on the first threshold and carry out fingerprint register, until being succeeded based on fingerprint register and determining the triggering Threshold value.Under the scene for fingerprint recognition, which can be directly based upon the activation threshold value and carry out fingerprint recognition, Activation threshold value can also be redefined, the activation threshold value redefined is then based on and carries out fingerprint recognition.

Optionally, which can save the activation threshold value after determining the activation threshold value.

Optionally, which can be determined as the activation threshold value proprietary threshold of the target user.

In the embodiment of the present application, which can be by second threshold above or the third above The fixation of before finger print data and most recently used threshold value is determined as the activation threshold value, i.e., the fingerprint identification device is determining this After activation threshold value, when user is subsequently needed using fingerprint function, which directly uses the activation threshold value to judge to use Family presses the acquisition operations whether pressure value that display screen generates triggers finger print data enough.But the application is not limited to this.

For example, in one embodiment, when the quality of the target fingerprint data meets the quality requirement of fingerprint fingerprint recognition, The fingerprint identification device can be directly based upon the target fingerprint data and carry out fingerprint register or fingerprint recognition.

In another example in another embodiment, the fingerprint identification device can also according to the quality of the target fingerprint data, Dynamic adjusts the activation threshold value.

Specifically, when the quality of the target fingerprint data is unsatisfactory for the quality requirement of fingerprint fingerprint recognition, the fingerprint recognition Device can also increase the activation threshold value；And finger print data is resurveyed based on the activation threshold value after increase；It is then based on weight Freshly harvested finger print data carries out fingerprint register or fingerprint recognition.

The specific implementation for adjusting the method for the activation threshold value to the dynamic of the embodiment of the present application with reference to Fig. 8 carries out Exemplary illustration：

Fig. 8 is the schematic flow chart of the method 600 of the determination of the embodiment of the present application activation threshold value.This method 600 can To be executed by fingerprint identification device, for example, terminal device shown in FIG. 1 100.It can also be by being equipped with for determining the firing level The device of the application of value executes, and optionally, in the case where target user uses the scene of fingerprint function (such as fingerprint register) for the first time, touches It sends out the device and executes this method 600, this method 600 includes following some or all of content：

The finger pressing display screen of S610, target user generate pressure value.

S620, the fingerprint identification device judge whether the pressure value is greater than or equal to activation threshold value, which can be with For predetermined threshold value, for example, the activation threshold value can be the activation threshold value determined by the method 500 described in Fig. 7.

S631 does not acquire target fingerprint data when the fingerprint identification device judges that the pressure value is less than the activation threshold value, should Target fingerprint data are the finger print data acquired based on the activation threshold value.

S632, the fingerprint identification device show the information for prompting target user to increase pressing dynamics by display screen.

S641 acquires the target fingerprint when fingerprint identification device judges that the pressure value is greater than or equal to the activation threshold value Data.

S642, the fingerprint identification device preanalysis target fingerprint data.

S643, the fingerprint identification device determine that the target fingerprint quality of data is by the preanalysis target fingerprint data The no requirement for meeting fingerprint recognition or fingerprint register.

S644, the fingerprint identification device determine the target fingerprint quality of data not by the preanalysis target fingerprint data When meeting the requirement of fingerprint recognition or fingerprint register, increase the activation threshold value.Specifically, it can be somebody's turn to do according to particular step size increase Activation threshold value forms the threshold value after increasing, and is then based on the threshold value after increasing and executes step S620.To avoid repeating, to being based on increasing The operation of threshold acquisition finger print data after big does not repeat.

S645, the fingerprint identification device determine that the first finger print data quality is full by preanalysis first finger print data When the requirement of sufficient fingerprint recognition or fingerprint register, which is determined as the activation threshold value.

It should be understood that the activation threshold value in method 600 shown in Fig. 8 is the triggering determined by the method 500 described in Fig. 7 Threshold value is merely illustrative, and the embodiment of the present application is without being limited thereto.For example, in other alternate embodiments, the fingerprint identification device It can be adjusted into Mobile state based on the threshold value being fixedly installed in advance in each fingerprint register or fingerprint identification process.

It should be noted that during above-mentioned dynamic adjusts the activation threshold value, it is unsatisfactory for requiring if collected always Data, and the activation threshold value has been added to unreasonable range, at this point it is possible to which the activation threshold value is removed and adjusts back original Initial value.For example, adjusting back or being restored to the activation threshold value as determined in method 300.

Since the depth of fingerprint lines is related to the temperature of human body and/or environment temperature, in order to further increase above-mentioned touch Send out the accuracy of threshold value.

Optionally, which can first determine the corresponding multiple threshold values of multiple temperature ranges；And then it determines Target temperature；Then by the corresponding threshold value of temperature range belonging to the target temperature, it is determined as the activation threshold value.

Optionally, which can determine the target temperature by temperature sensor.

The temperature sensor includes but not limited to：Contact type temperature sensor and non-contact temperature sensor.Contact The detection part of temperature sensor has good contact with measurand.The sensing element of non-contact temperature sensor with it is tested Object is not in contact with each other.

The method 700 of the determination activation threshold value of the embodiment of the present application is illustrated with reference to Fig. 9.This method 700 can To be executed by fingerprint identification device, for example, terminal device shown in FIG. 1 100.It can also be by being equipped with for determining the firing level The device of the application of value executes, and optionally, in the case where target user uses the scene of fingerprint function (such as fingerprint register) for the first time, touches It sends out the device and executes this method 700, this method 700 includes following some or all of content：

S710, temperature sensor determine target temperature.

The finger pressing display screen of S720, target user generate pressure value.

S731, when which is low temperature, which judges whether the pressure value is greater than or equal to low temperature Threshold value, the low temperature threshold can be to be pre-configured threshold value.

S732 when the fingerprint identification device judges that the pressure value is greater than or equal to the low temperature threshold, acquires finger print data.

S733, the fingerprint identification device are determined whether the finger print data quality meets and are referred to by the preanalysis finger print data Line identifies or the requirement of fingerprint register.

S734, the fingerprint identification device determine that the finger print data quality meets fingerprint knowledge by the preanalysis finger print data When other or fingerprint register requirement, which is determined as low temperature activation threshold value.

S750, the fingerprint identification device determine the target fingerprint quality of data not by the preanalysis target fingerprint data When meeting the requirement of fingerprint recognition or fingerprint register, increase the low temperature threshold.Specifically, it can be somebody's turn to do according to particular step size increase Low temperature threshold forms the threshold value after increasing, and is then based on the threshold value after increasing and executes step S731.To avoid repeating, to being based on increasing The operation of threshold acquisition finger print data after big does not repeat.

S741, when which is room temperature, which judges whether the pressure value is greater than or equal to room temperature Threshold value, the room temperature threshold value can be to be pre-configured threshold value.

S742 when the fingerprint identification device judges that the pressure value is greater than or equal to the room temperature threshold value, acquires finger print data.

S743, the fingerprint identification device are determined whether the finger print data quality meets and are referred to by the preanalysis finger print data Line identifies or the requirement of fingerprint register.

S744, the fingerprint identification device determine that the finger print data quality meets fingerprint knowledge by the preanalysis finger print data When other or fingerprint register requirement, which is determined as room temperature activation threshold value.

S750, the fingerprint identification device determine the target fingerprint quality of data not by the preanalysis target fingerprint data When meeting the requirement of fingerprint recognition or fingerprint register, increase the room temperature threshold value.Specifically, it can be somebody's turn to do according to particular step size increase Room temperature threshold value forms the threshold value after increasing, and is then based on the threshold value after increasing and executes step S741 and subsequent step.To avoid It repeats, the operation based on the threshold acquisition finger print data after increase is not repeated.

S760, which is based on the low temperature activation threshold value and room temperature activation threshold value carries out fingerprint register or refers to Line identifies.

It should be understood that low temperature activation threshold value shown in Fig. 9 and room temperature activation threshold value are only the example of above-mentioned multiple threshold values, this Shen It please be not limited to this.For example, multiple threshold value can also include high temperature activation threshold value.

The preferred embodiment of the application is described in detail above in association with attached drawing, still, the application is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the application, a variety of letters can be carried out to the technical solution of the application Monotropic type, these simple variants belong to the protection domain of the application.

For example, specific technical features described in the above specific embodiments in the case of no contradiction can To be combined by any suitable means, in order to avoid unnecessary repetition, the application is to various combinations of possible ways No longer separately illustrate.

In another example arbitrary combination can also be carried out between a variety of different embodiments of the application, if its without prejudice to The thought of the application equally should be considered as content disclosed in the present application.As an example, the fingerprint identification device can basis Method 500 shown in Fig. 7 determines multiple threshold values for target user, and in practical applications, is based on method shown in Fig. 9 700 and target temperature in multiple threshold value, determine the activation threshold value of the target user under current environment.Further, exist After determining activation threshold value, it can be combined with method 600 shown in Fig. 8 and dynamically adjust the activation threshold value.

It should also be understood that in the various embodiments of the method for the application, size of the sequence numbers of the above procedures is not meant to The execution sequence of the priority of execution sequence, each process should be determined by its function and internal logic, without coping with the embodiment of the present application Implementation process constitute any restriction.

Above in association with Fig. 7 to Fig. 9, the present processes embodiment is described in detail, below in conjunction with Figure 10 to Figure 12, in detail The device embodiment of the application is described.

Figure 10 is the schematic block diagram of the device 800 for fingerprint recognition of the embodiment of the present application.As shown in Figure 10, the dress Setting 800 may include：

Determination unit 810, for determining activation threshold value；Collecting unit 820, for pressing fingerprint collecting area in target user When the pressure value that display screen in domain generates is greater than or equal to the activation threshold value, target fingerprint data are acquired；Processing unit 830, For carrying out fingerprint register or fingerprint recognition according to the target fingerprint data.

Optionally, above-mentioned determination unit 810 is specifically used for：

Obtain first threshold；When the pressure value is greater than or equal to the first threshold, the first finger print data is acquired；According to this The quality of one finger print data and the first threshold, determine the activation threshold value.

Optionally, above-mentioned determination unit 810 is more particularly for：

When the quality of first finger print data is unsatisfactory for the quality requirement of fingerprint register or fingerprint recognition, increase by first threshold Value is until second threshold, wherein the second finger print data based on second threshold acquisition is first fit fingerprint register or refers to The finger print data of the quality requirement of line identification；The second threshold is determined as the activation threshold value.

Optionally, above-mentioned determination unit 810 is more particularly for：

When the quality of first finger print data meets the quality requirement of fingerprint register or fingerprint recognition, reduce the first threshold Until third threshold value, wherein the third finger print data based on the third threshold acquisition is to be unsatisfactory for fingerprint register or fingerprint for the first time The finger print data of the quality requirement of identification；Before the third finger print data and most recently used threshold value will be acquired, is determined as this Activation threshold value.

Optionally, which is to be pre-configured threshold value, alternatively, the first threshold, which is the target user, carries out fingerprint register Shi Shouci presses the pressure value of display screen generation.

Optionally, above-mentioned determination unit 810 is specifically used for：

Determine the dedicated activation threshold value of the target user.

Optionally, above-mentioned determination unit 810 is specifically used for：

Determine the corresponding multiple threshold values of multiple temperature ranges；Determine target temperature；By the temperature model belonging to the target temperature Corresponding threshold value is enclosed, the activation threshold value is determined as.

Optionally, above-mentioned determination unit 810 is more particularly for：

By temperature sensor, the target temperature is determined.

Optionally, which is specifically used for：

When the quality of the target fingerprint data is unsatisfactory for the quality requirement of fingerprint fingerprint recognition, increase the activation threshold value；Base The activation threshold value after increase resurveys finger print data；Fingerprint register or fingerprint are carried out based on the finger print data resurveyed Identification.

Optionally, which further includes：

Display unit shows the target fingerprint data, the target that this display interface is shown for passing through display interface Finger print data is used to prompt user's adjustment to be pressed into the pressing dynamics on the display screen.

It should be understood that device embodiment can be corresponded with embodiment of the method, similar description is referred to method implementation Example.Specifically, the device 800 shown in Fig. 10 for fingerprint recognition can correspond in the method for executing the embodiment of the present application Corresponding main body, and the aforementioned and other operation and/or function of each unit in device 800 is respectively in order to realize Fig. 3, Fig. 7 Corresponding flow into each method in Fig. 9, for sake of simplicity, details are not described herein.

The device for fingerprint recognition of the embodiment of the present application is described from the angle of function module above in conjunction with Figure 10. It should be understood that the function module can be realized by example, in hardware, it can also be realized, can also be passed through by the instruction of software form Hardware and software block combiner is realized.

Specifically, each step of the embodiment of the method in the embodiment of the present application can pass through the integrated of the hardware in processor The instruction of logic circuit and/or software form is completed, and can directly be embodied the step of method in conjunction with disclosed in the embodiment of the present application Execute completion for hardware decoding processor, or in decoding processor hardware and software module combination execute completion.

Optionally, software module can be located at random access memory, flash memory, read-only memory, programmable read only memory, electricity In the ripe storage medium of this fields such as erasable programmable memory, register.The storage medium is located at memory, processing Device reads the information in memory, and the step in above method embodiment is completed in conjunction with its hardware.

For example, in the embodiment of the present application, determination unit 810 shown in Fig. 10 and processing unit 830 can be by processor realities Existing, collecting unit shown in Fig. 10 can be realized by fingerprint recognition module.

Figure 11 is 900 schematic diagram of device for fingerprint recognition of the embodiment of the present application.Device shown in Figure 11 900 include processor 910, and processor 910 can call from memory and run computer program, to realize that the application is implemented Method in example.

Optionally, as shown in figure 11, device 900 can also include memory 920.The memory 920 can be used for storing It indicates information, can be also used for code, instruction etc. that storage processor 910 executes.Wherein, processor 910 can be from memory Computer program is called and run in 920, to realize the method in the embodiment of the present application.

Wherein, memory 920 can be independently of an individual device of processor 910, can also be integrated in processing In device 910.

Optionally, as shown in figure 11, device 900 can also include display screen 940, for showing information to user.

Optionally, as shown in figure 11, device 900 can also include fingerprint recognition module 930, and processor 910 is determined to touch After sending out threshold value, fingerprint recognition module 930 can determine that user presses the fingerprint collecting region of display screen 940 based on the activation threshold value Whether the pressure value of generation can trigger the acquisition operations of finger print data.

Optionally, which can correspond to the device 800 in the embodiment of the present application, and can correspond to execute basis The corresponding main body in each embodiment of the method in the application Fig. 3, Fig. 7 to Fig. 9, for sake of simplicity, details are not described herein.

It should be appreciated that the various components in the device 900 are connected by bus system, wherein it includes number that bus system, which is removed, Further include power bus, controlling bus and status signal bus in addition except bus.

It should also be understood that the processor referred in the embodiment of the present application may be a kind of IC chip, with signal Processing capacity may be implemented or execute disclosed each method, step and logic diagram in the embodiment of the present application.

For example, above-mentioned processor can be general processor, digital signal processor (digital signal Processor, DSP), it is application-specific integrated circuit (application specific integrated circuit, ASIC), existing At programmable gate array (field programmable gate array, FPGA) or other programmable logic device, crystal Pipe logical device, discrete hardware components etc..In addition, general processor can be microprocessor or the processor can also be Any conventional processor etc..

In addition, the memory referred in the embodiment of the present application can be volatile memory or nonvolatile memory, or It may include both volatile and non-volatile memories.

Wherein, nonvolatile memory can be read-only memory (read-only memory, ROM), it is programmable read-only Memory (programmable ROM, PROM), Erasable Programmable Read Only Memory EPROM (erasable PROM, EPROM), electricity Erasable Programmable Read Only Memory EPROM (electrically EPROM, EEPROM) or flash memory.Volatile memory can be with Machine accesses memory (random access memory, RAM), is used as External Cache.

It should be understood that above-mentioned memory is exemplary but is not restricted explanation, for example, the memory in the embodiment of the present application Can also be static RAM (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (synchronous DRAM, SDRAM), Double Data Rate synchronous dynamic random Access memory (double data rate SDRAM, DDR SDRAM), enhanced Synchronous Dynamic Random Access Memory (enhanced SDRAM, ESDRAM), synchronized links dynamic random access memory (synch link DRAM, SLDRAM) with And direct rambus random access memory (Direct Rambus RAM, DRRAM) etc..

Figure 12 is the structural representation for a kind of electronic equipment (such as touch-screen mobile phone) 1000 that the embodiment of the present application is applied to Figure.As shown in figure 12, which includes：

Processor 1110, memory 1120 and touch display screen 1130.

Touch display screen 1130 includes pressure sensor 1131, and pressure sensor 1131 is for incuding touch display screen The pressure size of touch input signal on 1130.Processor 1110 is used to receive the pressure letter of the induction of pressure sensor 1131 Number, and be used to handle the pressure signal, such as some application program in the electronic equipment 100 is triggered based on the pressure signal.

Optionally, as shown in figure 12, device 1000 can also include fingerprint recognition module 1180, and processor 1110 is determined After activation threshold value, fingerprint recognition module 1180 can determine that user presses the fingerprint of touch display screen 1130 based on the activation threshold value Whether the pressure value that pickup area generates can trigger the acquisition operations of finger print data.

Optionally, the electronic equipment can also include other component, voicefrequency circuit 1140 as shown in Figure 1, power supply 1150, Its component such as WiFi module 1160 and radio circuit 1170.

It should be noted that the term used in the embodiment of the present application and the appended claims is only merely for description The purpose of specific embodiment, is not intended to be limiting the embodiment of the present application.

For example, the embodiment of the present application and the "an" of singulative used in the attached claims, " described ", " above-mentioned " and "the" are also intended to including most forms, unless context clearly shows that other meanings.

Those skilled in the art is it is to be appreciated that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, depends on the specific application and design constraint of technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed The range of the embodiment of the present application.

If being realized in the form of SFU software functional unit and when sold or used as an independent product, one can be stored in In a computer read/write memory medium.Based on this understanding, the technical solution of the embodiment of the present application is substantially right in other words The part of part or the technical solution that the prior art contributes can be expressed in the form of software products, the calculating Machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be personal Computer, server or network equipment etc.) execute the embodiment of the present application the method all or part of step.And it is aforementioned Storage medium include：USB flash disk, mobile hard disk, read-only memory, random access memory, magnetic disc or CD etc. are various can be with Store the medium of program code.

It is apparent to those skilled in the art that for convenience and simplicity of description, the equipment of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided by the present application, it should be understood that disclosed electronic equipment, device and method, it can To realize by another way.

For example, in device embodiment described above unit or module or component division, only a kind of logic work( It can divide, formula that in actual implementation, there may be another division manner, for example, multiple units or module or component can combine or can It can be ignored with being integrated into another system or some units or module or component, or do not executed.

In another example the above-mentioned units/modules/component illustrated as separation/display unit may or may not be It is physically separated, you can be located at a place, or may be distributed over multiple network units.It can be according to actual It needs that some or all of units/modules/component therein is selected to realize the purpose of the embodiment of the present application.

Finally, it should be noted that the mutual coupling or direct-coupling or communication link for above showing or discussing It can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit to connect, and can be electrical, machinery or other shapes Formula.

The above content, the only specific implementation mode of the embodiment of the present application, but the protection domain of the embodiment of the present application is not It is confined to this, any one skilled in the art can think easily in the technical scope that the embodiment of the present application discloses To change or replacement, should all cover within the protection domain of the embodiment of the present application.Therefore, the protection domain of the embodiment of the present application It should be subject to the protection scope in claims.

Claims

1. a kind of method for fingerprint recognition, which is characterized in that including：

Determine activation threshold value；

When target user presses the pressure value that the display screen in fingerprint collecting region generates and is greater than or equal to the activation threshold value, Acquire target fingerprint data；

2. according to the method described in claim 1, it is characterized in that, the determining activation threshold value, including：

Obtain first threshold；

3. according to the method described in claim 2, it is characterized in that, the quality according to first finger print data and described First threshold determines the activation threshold value, including：

When the quality of first finger print data is unsatisfactory for the quality requirement of fingerprint register or fingerprint recognition, increase by first threshold Value is until second threshold, wherein the second finger print data based on second threshold acquisition be first fit fingerprint register or The finger print data of the quality requirement of fingerprint recognition；

The second threshold is determined as the activation threshold value.

4. according to the method described in claim 2, it is characterized in that, the quality according to first finger print data and described First threshold determines the activation threshold value, including：

When the quality of first finger print data meets the quality requirement of fingerprint register or fingerprint recognition, reduce the first threshold Until third threshold value, wherein the third finger print data based on the third threshold acquisition is to be unsatisfactory for fingerprint register for the first time or refer to The finger print data of the quality requirement of line identification；

5. method according to any one of claim 2 to 4, which is characterized in that the first threshold is to be pre-configured threshold value, It carries out pressing the pressure value that the display screen generates when fingerprint register for the first time alternatively, the first threshold is the target user.

6. the method according to any one of claims 1 to 5, it is characterized in that, the determining activation threshold value, including：

Determine the dedicated activation threshold value of the target user.

7. method according to any one of claim 1 to 6, which is characterized in that the determining activation threshold value, including：

Determine target temperature；

8. the method according to the description of claim 7 is characterized in that the determining target temperature, including：

By temperature sensor, the target temperature is determined.

9. method according to any one of claim 1 to 8, which is characterized in that described according to the target fingerprint data Fingerprint register or fingerprint recognition are carried out, including：

When the quality of the target fingerprint data is unsatisfactory for the quality requirement of fingerprint fingerprint recognition, increase the activation threshold value；

10. method according to any one of claim 1 to 9, which is characterized in that the method further includes：

The target fingerprint data are shown by display interface, and the target fingerprint data that the display interface is shown are for carrying Show that user's adjustment is pressed into the pressing dynamics on the display screen.

11. a kind of device for fingerprint recognition, which is characterized in that including：

Determination unit, for determining activation threshold value；

Collecting unit, the pressure value that the display screen for being pressed in target user in fingerprint collecting region generates are greater than or equal to institute When stating activation threshold value, target fingerprint data are acquired；

Processing unit, for carrying out fingerprint register or fingerprint recognition according to the target fingerprint data.

12. according to the devices described in claim 11, which is characterized in that the determination unit is specifically used for：

Obtain first threshold；

13. device according to claim 12, which is characterized in that the determination unit is more particularly for：

The second threshold is determined as the activation threshold value.

14. device according to claim 12, which is characterized in that the determination unit is more particularly for：

15. the device according to any one of claim 12 to 14, which is characterized in that the first threshold is to be pre-configured threshold Value carries out pressing the pressure that the display screen generates when fingerprint register for the first time alternatively, the first threshold is the target user Value.

16. the device according to any one of claim 11 to 15, which is characterized in that the determination unit is specifically used for：

Determine the dedicated activation threshold value of the target user.

17. the device according to any one of claim 11 to 16, which is characterized in that the determination unit is specifically used for：

Determine target temperature；

18. device according to claim 17, which is characterized in that the determination unit is more particularly for：

By temperature sensor, the target temperature is determined.

19. the device according to any one of claim 11 to 18, which is characterized in that the processing unit is specifically used for：

20. the device according to any one of claim 11 to 19, which is characterized in that described device further includes：

Display unit shows the target fingerprint data, the target that the display interface is shown for passing through display interface Finger print data is used to prompt user's adjustment to be pressed into the pressing dynamics on the display screen.

21. a kind of electronic equipment, which is characterized in that including：

Device described in any one of claim 11 to 20.