CN110276190A

CN110276190A - Fingerprint identification method and Related product

Info

Publication number: CN110276190A
Application number: CN201910578406.0A
Authority: CN
Inventors: 吴安平
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2019-09-24
Anticipated expiration: 2039-06-28
Also published as: CN110276190B

Abstract

The embodiment of the present application discloses a kind of fingerprint identification method and Related product, and the electronic equipment includes ultrasonic fingerprint identification mould group, and wherein method includes: to identify that mould group obtains target fingerprint image by the ultrasonic fingerprint；Determine that the corresponding target fingerprint pickup area of the target fingerprint image, the target fingerprint pickup area are the partial region for whole fingerprint pickup areas that the ultrasonic fingerprint identifies mould group；When the target fingerprint pickup area is not predeterminable area, preset fingerprint recognition threshold is adjusted, target fingerprint recognition threshold is obtained；The target fingerprint image is matched with preset fingerprint template；When matching value between the target fingerprint image and the preset fingerprint template is greater than the target fingerprint recognition threshold, it is unlocked operation.Fingerprint recognition threshold value can dynamically be adjusted using the embodiment of the present application, promote the intelligence of ultrasonic fingerprint identification technology.

Description

Fingerprint identification method and Related product

Technical field

This application involves technical field of electronic equipment, and in particular to a kind of fingerprint identification method and Related product.

Background technique

With a large amount of popularization and applications of electronic equipment (such as mobile phone, tablet computer), what electronic equipment can be supported is answered With more and more, function is stronger and stronger, and electronic equipment develops towards diversification, personalized direction, becomes in user's life Indispensable appliance and electronic.

Fingerprint identification technology also becomes the standard configuration technology of electronic equipment, with the development of fingerprint identification technology, at present, Ultrasonic fingerprint identification technology is increasingly by the favor of supplier, and still, ultrasonic fingerprint identifies not smart enoughization.

Summary of the invention

The embodiment of the present application provides a kind of fingerprint identification method and Related product, can dynamically adjust fingerprint recognition threshold Value promotes the intelligence of ultrasonic fingerprint identification technology.

In a first aspect, the embodiment of the present application provides a kind of electronic equipment, the electronic equipment includes processing circuit, Yi Jiyu The ultrasonic fingerprint of the processing circuit connection identifies mould group, wherein

The ultrasonic fingerprint identifies mould group, for obtaining target fingerprint image；

The processing circuit, for determining the corresponding target fingerprint pickup area of the target fingerprint image, the target Fingerprint collecting region is the partial region for whole fingerprint pickup areas that the ultrasonic fingerprint identifies mould group；Refer in the target When line pickup area is not predeterminable area, preset fingerprint recognition threshold is adjusted, target fingerprint recognition threshold is obtained；By the target Fingerprint image is matched with preset fingerprint template；And between the target fingerprint image and the preset fingerprint template When matching value is greater than the target fingerprint recognition threshold, it is unlocked operation.

Second aspect, the embodiment of the present application provide a kind of fingerprint identification method, are applied to electronic equipment, the electronic equipment Mould group is identified including ultrasonic fingerprint；The described method includes:

Identify that mould group obtains target fingerprint image by the ultrasonic fingerprint；

Determine the corresponding target fingerprint pickup area of the target fingerprint image, the target fingerprint pickup area is described Ultrasonic fingerprint identifies the partial region of whole fingerprint pickup areas of mould group；

When the target fingerprint pickup area is not predeterminable area, preset fingerprint recognition threshold is adjusted, target is obtained and refers to Line recognition threshold；

The target fingerprint image is matched with preset fingerprint template；

Matching value between the target fingerprint image and the preset fingerprint template is identified greater than the target fingerprint When threshold value, it is unlocked operation.

The third aspect, the embodiment of the present application provide a kind of fingerprint identification device, are applied to electronic equipment, and the electronics is set Standby includes that ultrasonic fingerprint identifies mould group；Described device includes: first acquisition unit, the first determination unit, adjustment unit, matching Unit and unlocking unit, wherein

The first acquisition unit, for identifying that mould group obtains target fingerprint image by the ultrasonic fingerprint；

First determination unit, it is described for determining the corresponding target fingerprint pickup area of the target fingerprint image Target fingerprint pickup area is the partial region for whole fingerprint pickup areas that the ultrasonic fingerprint identifies mould group；

The adjustment unit, for when the target fingerprint pickup area is not predeterminable area, adjustment preset fingerprint to be known Other threshold value, obtains target fingerprint recognition threshold；

The matching unit, for matching the target fingerprint image with preset fingerprint template；

The unlocking unit is greater than for the matching value between the target fingerprint image and the preset fingerprint template When the target fingerprint recognition threshold, it is unlocked operation.

Fourth aspect, the embodiment of the present application provide a kind of electronic equipment, including processor, memory, communication interface and One or more programs, wherein said one or multiple programs are stored in above-mentioned memory, and are configured by above-mentioned It manages device to execute, above procedure is included the steps that for executing the instruction in the embodiment of the present application second aspect.

5th aspect, the embodiment of the present application provide a kind of computer readable storage medium, wherein above-mentioned computer-readable Storage medium storage is used for the computer program of electronic data interchange, wherein above-mentioned computer program executes computer such as Step some or all of described in the embodiment of the present application second aspect.

6th aspect, the embodiment of the present application provide a kind of computer program product, wherein above-mentioned computer program product Non-transient computer readable storage medium including storing computer program, above-mentioned computer program are operable to make to calculate Machine executes the step some or all of as described in the embodiment of the present application second aspect.The computer program product can be one A software installation packet.

Implement the embodiment of the present application, have it is following the utility model has the advantages that

As can be seen that fingerprint identification method and Related product described in the embodiment of the present application, are applied to electronic equipment, The electronic equipment includes ultrasonic fingerprint identification mould group, identifies that mould group obtains target fingerprint image by ultrasonic fingerprint, determines The corresponding target fingerprint pickup area of target fingerprint image, target fingerprint pickup area are the whole that ultrasonic fingerprint identifies mould group The partial region in fingerprint collecting region adjusts preset fingerprint recognition threshold when target fingerprint pickup area is not predeterminable area, Target fingerprint recognition threshold is obtained, target fingerprint image is matched with preset fingerprint template, in target fingerprint image and in advance If the matching value between fingerprint template is greater than target fingerprint recognition threshold, it is unlocked operation, it can be in fingerprint collecting region When not to specify region or general regions, dynamic adjusts fingerprint recognition threshold value, promotes fingerprint recognition safety, also improves super The intelligence of sound wave fingerprint identification technology.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Figure 1A is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；

Figure 1B is the structural schematic diagram of another electronic equipment provided by the embodiments of the present application；

Fig. 1 C is a kind of flow diagram of fingerprint identification method provided by the embodiments of the present application；

Fig. 1 D is a kind of demonstration schematic diagram in fingerprint collecting region provided by the embodiments of the present application；

Fig. 2 is the flow diagram of another fingerprint identification method provided by the embodiments of the present application；

Fig. 3 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；

Fig. 4 A is a kind of functional unit composition block diagram of fingerprint identification device provided by the embodiments of the present application；

Fig. 4 B is the functional unit composition block diagram of another fingerprint identification device provided by the embodiments of the present application；

Fig. 4 C is the functional unit composition block diagram of another fingerprint identification device provided by the embodiments of the present application；

Fig. 4 D is the functional unit composition block diagram of another fingerprint identification device provided by the embodiments of the present application.

Specific embodiment

In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.

The description and claims of this application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap Include other step or units intrinsic for these process, methods, product or equipment.

Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and Implicitly understand, embodiment described herein can be combined with other embodiments.

Electronic equipment involved by the embodiment of the present application may include the various handheld devices with wireless communication function, Mobile unit, wearable device (smartwatch, Intelligent bracelet, wireless headset, augmented reality/virtual reality device, Brilliant Eyes Mirror), calculate equipment or be connected to radio modem other processing equipments and various forms of user equipment (user Equipment, UE), mobile station (mobile station, MS), terminal device (terminal device) etc..For convenience Description, apparatus mentioned above are referred to as electronic equipment.

It describes in detail below to the embodiment of the present application.

Figure 1A is please referred to, Figure 1A is the structural schematic diagram of a kind of electronic equipment disclosed in the embodiment of the present application, electronic equipment 100 include storage and processing circuit 110, and the sensor 170 connecting with the storage and processing circuit 110, in which:

Electronic equipment 100 may include control circuit, which may include storage and processing circuit 110.This is deposited Storage and processing circuit 110 can store device, such as hard drive memory, nonvolatile memory (such as flash memory or it is used for shape At other electrically programmable read only memories etc. of solid state drive), volatile memory (such as either statically or dynamically arbitrary access Memory etc.) etc., the embodiment of the present application is with no restriction.Processing circuit in storage and processing circuit 110 can be used for controlling electricity The operating of sub- equipment 100.The processing circuit can microprocessor based on one or more, microcontroller, digital signal processor, Baseband processor, power management unit, audio codec chip, specific integrated circuit, display-driver Ics etc. come It realizes.

Storage and processing circuit 110 can be used for running the software in electronic equipment 100, such as the Internet browser application journey Sequence, voice over internet protocol (Voice over Internet Protocol, VOIP) call application program, Email Application program, media play-back application, operation system function etc..These softwares can be used for executing some control operations, example Such as, based on the Image Acquisition of camera, the ambient light measurement based on ambient light sensor, based on proximity sensor close to sensing Device measurement, the information display function that the positioning indicators such as status indicator lamp based on light emitting diode are realized, based on touch The touch event of sensor detects, and in the associated function of multiple (such as layering) display information displayed on screen, with execution The associated operation of wireless communication function, operation associated with collecting and generating audio signal, is pressed with collection and treatment button Other functions etc. in the associated control operation of event data and electronic equipment 100 are pressed, the embodiment of the present application does not limit System.

Electronic equipment 100 may include input-output circuit 150.Input-output circuit 150 can be used for making electronic equipment 100 realization data are output and input, i.e. permission electronic equipment 100 allows electronic equipment from outer equipment receiving data and also 100 export data to external equipment from electronic equipment 100.Input-output circuit 150 may further include sensor 170. Sensor 170 may include ultrasonic fingerprint identification mould group, can also include ambient light sensor, close based on light and capacitor Sensor, touch sensor is (for example, be based on light touch sensor and/or capacitive touch sensors, wherein touch sensor The a part that can be touching display screen can also be used as a touch sensor arrangement and independently use), acceleration transducer, With other sensors etc., ultrasonic fingerprint identification mould group be can integrate below screen, alternatively, ultrasonic fingerprint identification mould group can It to be set to the side or the back side of electronic equipment, is not limited thereto, ultrasonic fingerprint identification mould group can be used for acquiring Fingerprint image.

Input-output circuit 150 can also include one or more display screens, such as display screen 130.Display screen 130 can To include liquid crystal display, organic light-emitting diode (OLED) display screen, electric ink display screen, plasma panel, using other aobvious Show combination one or several kinds of in the display screen of technology.Display screen 130 may include touch sensor array (that is, display screen 130 can be touching display screen).Touch sensor can be by transparent touch sensor electrode (such as tin indium oxide (ITO) Electrode) capacitive touch sensors that array is formed, or it can be the touch sensor formed using other touching techniques, example Such as sound wave touch-control, pressure sensible touch, resistive touch, optical touch etc., the embodiment of the present application is with no restriction.

Electronic equipment 100 can also include audio component 140.Audio component 140 can be used for providing for electronic equipment 100 Audio input and output function.Audio component 140 in electronic equipment 100 may include loudspeaker, microphone, buzzer, sound Adjust generator and other for generating and detecting the component of sound.

Telecommunication circuit 120 can be used for providing the ability with external device communication for electronic equipment 100.Telecommunication circuit 120 It may include analog- and digital- input-output interface circuit, and the radio communication circuit based on radiofrequency signal and/or optical signal. Radio communication circuit in telecommunication circuit 120 may include radio-frequency transceiver circuitry, power amplifier circuit, low noise amplification Device, switch, filter and antenna.For example, the radio communication circuit in telecommunication circuit 120 may include for passing through transmitting The circuit of near-field communication (Near Field Communication, NFC) is supported with near-field coupling electromagnetic signal is received.Example Such as, telecommunication circuit 120 may include near-field communication aerial and near-field communication transceiver.Telecommunication circuit 120 can also include honeycomb Telephone transceiver and antenna, wireless lan transceiver circuit and antenna etc..

Electronic equipment 100 can further include battery, power management circuitry and other input-output units 160.It is defeated Enter-output unit 160 may include button, control stick, click wheel, scroll wheel, touch tablet, keypad, keyboard, camera, hair Optical diode and other positioning indicators etc..

User can input a command for the operation of controlling electronic devices 100 by input-output circuit 150, and can be with Status information and other outputs from electronic equipment 100 are received using the output data of input-output circuit 150 to realize.

In a possible example, by taking ultrasonic fingerprint identification mould group is located at below screen as an example, as shown in Figure 1B, figure 1B is a kind of structural schematic diagram of electronic equipment, and electronic equipment 100 may include glass cover-plate (Cover glass) 210, display Shield (OLED) 220, adhesive layer (Adhesive) 230, substrate (TFTGlass) 240, pixel layer (Pixel) 250, piezoelectric material layer (Copolymer) 260, Ag Ink layer 270, solidification glue-line (DAF) 280.It certainly, can also include film above above-mentioned glass cover-plate Layer (film), film layer can be tempering film, be used to protect the display screen of electronic equipment.

Further, ultrasonic fingerprint identification mould group may include: Glass layer of TFT, Pixel layers, Ink layers of Ag and coagulate Solid glue layer.Glass layers of TFT for metal wiring, material coating；Pixel layers, for the Metal electricity on TFTGlass Piezoelectric energy-conversion material is also as ultrasonic wave transmitting/received cathode, Copolymer in pole, can " material deformation-voltage " phase Mutually conversion；Ink layers of Ag, it is used as ultrasonic wave transmitting/received anode；DAF is freezing plastic, for protecting ultrasonic fingerprint to identify Mould group；Adhesive layers are to identify mould group station in the viscose glue of OLED screen bottom ultrasonic fingerprint.

In the specific implementation, ultrasonic fingerprint identification mould group may include 2 states, TX state (for emitting ultrasonic wave) and RX state (for receiving ultrasonic wave).

Under TX state, pass through electrode (Pixel negative electrode and the Ag Ink positive electricity at Copolymer (piezoelectric material) both ends Pole) high-frequency (usually 10MHz rank) oscillator signal, such as sine wave are provided, Copolymer can generate the vibration of response frequency And ultrasonic wave is issued, the ultrasonic wave transmitted upwards reaches the fingerprint contacted with screen surface, due to fingerprint after through OLED screen When paddy ridge is bonded with screen, since the acoustic resistance characteristic and screen surfaces glass acoustic resistance different from those of the air in fingerprint valley are larger, refer to The acoustic resistance characteristic of the skin histology of wrinkle ridge and screen surfaces glass acoustic resistance property difference are relatively large, and therefore, fingerprint valley ridge is to ultrasound The reflected signal strength of wave is different.

Under RX state, ultrasonic fingerprint identification mould group is reached when reflected ultrasonic wave again passes through display screen After (Pixel-Copolymer-Ag Ink), Copolymer vibration is caused to generate electric signal, the fingerprint valley ridge of different location is corresponding The region pixel Copolymer oscillation intensity it is of different sizes, therefore the potential difference that receives of different location Pixel also not phase With (Ag Ink is equipotential), potential difference is converted into two-dimensional picture signal, thus obtains ultrasonic fingerprint image.

Based on electronic equipment described in above-mentioned Figure 1A and Figure 1B, following function can be used to implement:

In a possible example, in the adjustment preset fingerprint recognition threshold, target fingerprint recognition threshold side is obtained Face, the processing circuit are specifically used for:

Determine the first center of the target fingerprint image；

Determine the second center of the predeterminable area；

Determine the target range between first center and second center；

According to the mapping relations between preset distance and regulation coefficient, the corresponding target adjustment of the target range is determined Coefficient；

According to preset fingerprint recognition threshold described in the target adjustment coefficient adjustment, the target fingerprint identification threshold is obtained Value.

In a possible example, the processing circuit is specifically used for:

Whole fingerprint pickup areas are divided into multiple regions；

It determines that each region in the multiple region collects the secondary numerical value of specified type fingerprint image, obtains multiple numbers Value, corresponding one numerical value in each region；

The maximum value in the multiple secondary numerical value is chosen, using the corresponding region of the maximum value as the predeterminable area.

In a possible example, the processing circuit is specifically used for:

Obtain current location；

When the current location is not belonging to predeterminated position, execute the adjustment preset fingerprint recognition threshold the step of.

In a possible example, ultrasonic fingerprint identification mould group also particularly useful for:

Carry out proximity test；

When detecting close at a distance between object and the ultrasonic fingerprint identification mould group less than the first pre-determined distance, Obtain the target image close to object；

The processing circuit is also used to carry out contours extract to the target image, obtains objective contour image；

When the objective contour image meets preset requirement, confirm it is described close to object be finger；

The ultrasonic fingerprint identifies mould group, identifies institute close to object and the ultrasonic fingerprint also particularly useful for described State ultrasonic fingerprint identification mould group, also particularly useful for it is described close to object and the ultrasonic fingerprint identification mould group between away from When from less than the second pre-determined distance, the step that mould group acquisition target fingerprint image is identified by the ultrasonic fingerprint is executed Suddenly, second pre-determined distance is less than first pre-determined distance.

As can be seen that electronic equipment described in the embodiment of the present application, which includes ultrasonic fingerprint identification Mould group identifies that mould group obtains target fingerprint image by ultrasonic fingerprint, determines that the corresponding target fingerprint of target fingerprint image is adopted Collect region, target fingerprint pickup area is the partial region for whole fingerprint pickup areas that ultrasonic fingerprint identifies mould group, in mesh When mark fingerprint collecting region is not predeterminable area, preset fingerprint recognition threshold is adjusted, target fingerprint recognition threshold is obtained, by target Fingerprint image is matched with preset fingerprint template, and the matching value between target fingerprint image and preset fingerprint template is greater than mesh When marking fingerprint recognition threshold value, it is unlocked operation, can be moved when fingerprint collecting region is not specified region or general regions State adjusts fingerprint recognition threshold value, promotes fingerprint recognition safety, also improves the intelligence of ultrasonic fingerprint identification technology.

Fig. 1 C is please referred to, Fig. 1 C is a kind of flow diagram of fingerprint identification method provided by the embodiments of the present application, is such as schemed Shown, applied to electronic equipment as shown in Figure 1A, the electronic equipment includes ultrasonic fingerprint identification mould group, this fingerprint recognition Method includes:

101, identify that mould group obtains target fingerprint image by the ultrasonic fingerprint.

Wherein, ultrasonic fingerprint identification mould group can integrate below display screen, as shown in figure iD, ultrasonic fingerprint identification Mould group corresponds to fingerprint collecting region, and fingerprint collecting region corresponds to the touch area of all or part of display screen, fingerprint collecting area Domain, which can be realized, carries out fingerprint collecting to one or more finger.It is arrived in finger touch or corresponding close to fingerprint collecting region Display screen touch area, then electronic equipment can by ultrasonic fingerprint identify mould group carry out fingerprint collecting, obtain target Fingerprint image.

In a possible example, above-mentioned steps 101 identify that mould group obtains target fingerprint by the ultrasonic fingerprint Image may include steps of:

11, when detecting the touch control operation for the fingerprint collecting region, the target for being directed to the display screen is obtained Touch parameter；

12, it is closed according to the mapping between preset touch parameter and the running parameter of ultrasonic fingerprint identification mould group System, determines the corresponding target operating parameters of the target touch parameter；

13, it controls the ultrasonic fingerprint identification mould group and carries out fingerprint collecting according to the target operating parameters, obtain institute State target fingerprint image.

Wherein, above-mentioned touch parameter can be following at least one: touch-control dynamics, the touch display screen of touch display screen It touch-control time, the touch-control area of touch display screen, the touch point number of touch display screen etc., is not limited thereto.Ultrasonic wave The running parameter of fingerprint recognition mould group can be following at least one: ultrasonic fingerprint identifies the transmission power of mould group, ultrasonic wave The work of the working frequency of fingerprint recognition mould group, the operating current of ultrasonic fingerprint identification mould group, ultrasonic fingerprint identification mould group The operating power etc. of voltage and ultrasonic fingerprint identification mould group, is not limited thereto.

In the specific implementation, preset touch parameter and ultrasonic fingerprint identification mould group can be stored in advance in electronic equipment Mapping relations between running parameter, electronic equipment can be obtained when detecting the touch control operation for fingerprint collecting region The corresponding target operating parameters of target touch parameter are determined according to the mapping relations for the target touch parameter of display screen, according to Fingerprint collecting is carried out according to the target operating parameters, obtains target fingerprint image.Due to the work ginseng of ultrasonic fingerprint identification mould group Number is closely bound up with touch parameter, and therefore, available running parameter corresponding with touch control operation carries out fingerprint collecting, obtains figure The better fingerprint image of image quality amount, for example, touch-control dynamics is too light, possible details in fingerprint is unintelligible, then can be super by being promoted The transmission power of sound wave fingerprint recognition mould group, can promote fingerprint image quality to a certain extent.

In a possible example, before above-mentioned steps 101, it can also include the following steps:

A1, identify that mould group carries out proximity test by the ultrasonic fingerprint；

A2, detect close to object and the ultrasonic fingerprint identification mould group between at a distance from less than the first pre-determined distance When, obtain the target image close to object；

A3, contours extract is carried out to the target image, obtains objective contour image；

A4, when the objective contour image meets preset requirement, confirm that described close to object is finger, and connect described When the distance between nearly object and ultrasonic fingerprint identification mould group are less than the second pre-determined distance, execute described by described super Sound wave fingerprint recognition mould group obtains the step of target fingerprint image, and second pre-determined distance is less than first pre-determined distance.

Wherein, above-mentioned first pre-determined distance, the second pre-determined distance can by user's self-setting or system default, Two pre-determined distances are less than the first pre-determined distance.It is above-mentioned close to object can be finger or other objects.Above-mentioned preset requirement Mesh for example, the shape of objective contour image is finger contours shape, then can be confirmed by user's self-setting or system default Mark contour images meet preset requirement, in another example, the mean breadth of objective contour image is in preset range, then confirms target wheel Wide image meets preset requirement etc., in the specific implementation, electronic equipment can identify that mould group is approached by ultrasonic fingerprint Detection then can be with when detecting close at a distance between object and ultrasonic fingerprint identification mould group less than the first pre-determined distance The target image close to object is obtained, in turn, can carry out contours extract to target image specifically can be to target image Hough transformation is carried out, objective contour image is obtained, when objective contour image meets preset requirement, confirms that close to object be hand Refer to, in turn, can be referred to when being identified at a distance between mould group with ultrasonic fingerprint less than the second pre-determined distance close to object Line acquisition.

102, determine that the corresponding target fingerprint pickup area of the target fingerprint image, the target fingerprint pickup area are The partial region of whole fingerprint pickup areas of the ultrasonic fingerprint identification mould group.

Wherein, after target fingerprint image has been determined, the corresponding target of target fingerprint image can be easily determined and referred to Line pickup area, the i.e. touch area of display screen corresponding to target fingerprint image, the target fingerprint pickup area are ultrasonic wave The partial region of whole fingerprint pickup areas of fingerprint recognition mould group.

103, when the target fingerprint pickup area is not predeterminable area, preset fingerprint recognition threshold is adjusted, mesh is obtained Mark fingerprint recognition threshold value.

Wherein, above-mentioned predeterminable area can be by user's self-setting or system default, and preset fingerprint recognition threshold can be with It pre-saves in the electronic device.In the specific implementation, preset fingerprint recognition threshold can be adjusted to fixed value, alternatively, foundation Certain rule is adjusted preset fingerprint recognition threshold.

In a possible example, above-mentioned steps 103 adjust preset fingerprint recognition threshold, obtain target fingerprint identification Threshold value may include steps of:

31, the first center of the target fingerprint image is determined；

32, the second center of the predeterminable area is determined；

33, the target range between first center and second center is determined；

34, according to the mapping relations between preset distance and regulation coefficient, the corresponding target of the target range is determined Regulation coefficient；

35, according to preset fingerprint recognition threshold described in the target adjustment coefficient adjustment, the target fingerprint identification is obtained Threshold value.

In the specific implementation, electronic equipment can determine the first center of target fingerprint image by geometric ways, with And the second center of predeterminable area, in turn, can determine target between the first center and the second center away from From the mapping relations between preset distance and regulation coefficient can also being stored in advance in electronic equipment, in turn, according to the mapping Relationship determines the corresponding target adjustment coefficient of target range, and regulation coefficient is real number, the value range of regulation coefficient be with down toward Few one kind: [- 1,1], [0,1], [0,1], [- 1,1] etc. are not limited thereto.It is possible to further according to target adjustment system Number adjustment preset fingerprint recognition threshold, obtains target fingerprint recognition threshold, specifically, target fingerprint recognition threshold=preset fingerprint Recognition threshold * target adjustment coefficient, alternatively, target fingerprint recognition threshold=preset fingerprint recognition threshold+target adjustment coefficient, This is not construed as limiting.

In a possible example, it can also include the following steps:

B1, whole fingerprint pickup areas are divided into multiple regions；

B2, it determines that each region in the multiple region collects the secondary numerical value of specified type fingerprint image, obtains multiple Secondary numerical value, corresponding one numerical value in each region；

Maximum value in B3, the multiple secondary numerical value of selection, using the corresponding region of the maximum value as the predeterminable area.

Wherein, above-mentioned specified type fingerprint image can be following at least one: true fingerprint, alternatively, can succeed It for the fingerprint of unlock, is not limited thereto, true fingerprint can be understood as the fingerprint lines of the mankind.

In the specific implementation, whole fingerprint pickup areas can be divided into multiple regions by electronic equipment, multiple region it Between there is no overlapping or allow to partly overlap, in turn, can determine in multiple regions that each region collects specified type and refer to The secondary numerical value of print image, obtains multiple secondary numerical value, corresponding one numerical value in each region, secondary numerical value can with preset time period into Row statistics, preset time period can be by user's self-setting or system defaults, for example, fingerprint collecting each time, can be right Collected fingerprint image is identified identify whether it is specified type fingerprint image, if so, by its corresponding region into Row+1.In turn, the maximum value in above-mentioned multiple secondary numerical value can be chosen, using the corresponding region of the maximum value as predeterminable area. I.e. predeterminable area can be understood as the region that user often carries out fingerprinting operation.

In a possible example, above-mentioned steps 103 can also include such as before adjusting preset fingerprint recognition threshold Lower step:

C1, current location is obtained；

C2, when the current location is not belonging to predeterminated position, execute the adjustment preset fingerprint recognition threshold the step of.

Wherein, above-mentioned predeterminated position can be by user's self-setting or system default, in the specific implementation, electronic equipment can To obtain current location by location technology, it is not belonging to predeterminated position in current location, then can execute the default finger of the adjustment The step of line recognition threshold, belongs to predeterminated position in current location, then can not need adjustment fingerprint recognition threshold value, for example, with Family is stayed at home, and fingerprint recognition threshold value can not be adjusted, and user in public places, then needs to adjust fingerprint recognition threshold value.

104, the target fingerprint image is matched with preset fingerprint template.

Wherein, preset fingerprint template can be stored in advance in electronic equipment.

In a possible example, above-mentioned steps 104, by the target fingerprint image and the progress of preset fingerprint template Match, may include steps of:

41, image segmentation is carried out to the target fingerprint image, obtains target fingerprint area image；

42, the characteristic point distribution of the target fingerprint area image is analyzed；

43, circular image interception is carried out to the target fingerprint area image according to a not concentric of M, obtains M circle Finger-print region image, the M are the integer greater than 3；

44, target circle finger-print region image is selected from described M round finger-print region image, the target circle refers to The quantity for the characteristic point that line area image is included is greater than other round finger-print regions in described M round finger-print region image Image；

45, the target circle finger-print region image is divided to obtain N number of annulus, the ring width of N number of annulus is identical；

46, since N number of annulus the smallest annulus of radius, by N number of annulus successively with preset fingerprint template Carry out Feature Points Matching, and the accumulative matching value for having matched annulus；

47, stop carrying out Feature Points Matching immediately when accumulative matching value is greater than target fingerprint recognition threshold, and export The successful prompting message of fingerprint recognition.

Wherein, electronic equipment can carry out image segmentation to target fingerprint image, obtain target fingerprint area image, into And the characteristic point distribution of the target fingerprint area image is analyzed, the target fingerprint area image is carried out according to a not concentric of M Circular image interception obtains M round finger-print region image, and M is the integer greater than 3, selects from M round finger-print region image Target circle finger-print region image out, the quantity for the characteristic point that target circle finger-print region image is included are greater than M circle and refer to Other round finger-print region images in line area image, divide target circle finger-print region image to obtain N number of annulus, N number of The ring width of annulus is identical, and since N number of annulus the smallest annulus of radius, N number of annulus is successively carried out with preset fingerprint template Feature Points Matching, and the accumulative matching value for having matched annulus, in this way, in fingerprint identification process, can by different location or The characteristic point of different fingerprints is equivalent to and samples to entire fingerprint image, and the sampling can cover entire finger for matching Line region, thus, corresponding characteristic features can be found from each region to be used to match, when accumulative matching value is big Stop carrying out Feature Points Matching immediately when target fingerprint recognition threshold, and exports the successful prompting message of fingerprint recognition, in this way, It can quickly and precisely identify fingerprint recognition.

105, the matching value between the target fingerprint image and the preset fingerprint template is greater than the target fingerprint When recognition threshold, it is unlocked operation.

Wherein, unlock operation can be following at least one: enter homepage by screen locking or blank screen, alternatively, by screen locking Or the default application of blank screen starting, alternatively, executing predetermined registration operation, predetermined registration operation can be following at least one: delete operation is repaired Change operation, squeeze operation, choose operation, photographing operation, delivery operation etc., is not limited thereto.Electronic equipment can be in mesh When marking the matching value between fingerprint image and preset fingerprint template greater than target fingerprint recognition threshold, it is unlocked operation, otherwise, When matching value between target fingerprint image and preset fingerprint template is less than or equal to target fingerprint recognition threshold, then it can mention Show user fingerprints unlock failure, alternatively, prompt user re-starts fingerprint input.

As can be seen that fingerprint identification method described in the embodiment of the present application, is applied to electronic equipment, the electronic equipment Mould group is identified including ultrasonic fingerprint, is identified that mould group obtains target fingerprint image by ultrasonic fingerprint, is determined target fingerprint figure As corresponding target fingerprint pickup area, target fingerprint pickup area is whole fingerprint acquisition zones that ultrasonic fingerprint identifies mould group The partial region in domain adjusts preset fingerprint recognition threshold, obtains target and refer to when target fingerprint pickup area is not predeterminable area Line recognition threshold matches target fingerprint image with preset fingerprint template, in target fingerprint image and preset fingerprint template Between matching value be greater than target fingerprint recognition threshold when, be unlocked operation, can fingerprint collecting region not be specify area When domain or general regions, dynamic adjusts fingerprint recognition threshold value, promotes fingerprint recognition safety, also improves ultrasonic fingerprint knowledge The intelligence of other technology.

Consistently with embodiment shown in above-mentioned Fig. 1 C, referring to Fig. 2, Fig. 2 is a kind of finger provided by the embodiments of the present application The flow diagram of line recognition methods, as shown, being applied to electronic equipment as shown in Figure 1A, the electronic equipment includes super Sound wave fingerprint recognition mould group；This fingerprint identification method includes:

201, identify that mould group carries out proximity test by the ultrasonic fingerprint.

202, detect close at a distance between object and the ultrasonic fingerprint identification mould group it is default less than first away from From when, obtain the target image close to object.

203, contours extract is carried out to the target image, obtains objective contour image.

204, when the objective contour image meets preset requirement, confirm it is described close to object be finger, and described When close to the distance between object and ultrasonic fingerprint identification mould group less than the second pre-determined distance, referred to by the ultrasonic wave Line identifies that mould group obtains target fingerprint image, and second pre-determined distance is less than first pre-determined distance.

205, determine that the corresponding target fingerprint pickup area of the target fingerprint image, the target fingerprint pickup area are The partial region of whole fingerprint pickup areas of the ultrasonic fingerprint identification mould group.

206, when the target fingerprint pickup area is not predeterminable area, preset fingerprint recognition threshold is adjusted, mesh is obtained Mark fingerprint recognition threshold value.

207, the target fingerprint image is matched with preset fingerprint template.

208, the matching value between the target fingerprint image and the preset fingerprint template is greater than the target fingerprint When recognition threshold, it is unlocked operation.

Wherein, the specific descriptions of above-mentioned steps 201- step 208 are referred to fingerprint recognition side described in above-mentioned Fig. 1 C The corresponding steps of method, details are not described herein.

As can be seen that fingerprint identification method described in the embodiment of the present application, is applied to electronic equipment, the electronic equipment Mould group is identified including ultrasonic fingerprint, can not only realize proximity test, and when proximity test arrives finger, just progress fingerprint is adopted Collection, and can be when fingerprint collecting region is not specified region or general regions, dynamic adjusts fingerprint recognition threshold value, and promotion refers to Line identifies safety, also improves the intelligence of ultrasonic fingerprint identification technology.

Consistently with above-described embodiment, referring to Fig. 3, Fig. 3 is the knot of a kind of electronic equipment provided by the embodiments of the present application Structure schematic diagram, as shown, the electronic equipment includes processor, memory, communication interface and one or more program, it is described Electronic equipment includes ultrasonic fingerprint identification mould group, and said one or multiple programs are stored in above-mentioned memory, and by Configuration is executed by above-mentioned processor, and in the embodiment of the present application, above procedure includes the instruction for executing following steps:

The target fingerprint image is matched with preset fingerprint template；

In a possible example, in the adjustment preset fingerprint recognition threshold, target fingerprint recognition threshold side is obtained Face, above procedure include the instruction for executing following steps:

Determine the first center of the target fingerprint image；

Determine the second center of the predeterminable area；

Determine the target range between first center and second center；

In a possible example, above procedure further includes the instruction for executing following steps:

Whole fingerprint pickup areas are divided into multiple regions；

Obtain current location；

Identify that mould group carries out proximity test by the ultrasonic fingerprint；

Contours extract is carried out to the target image, obtains objective contour image；

When the objective contour image meets preset requirement, confirm it is described close to object be finger, and described close When the distance between object and ultrasonic fingerprint identification mould group are less than the second pre-determined distance, execution is described to pass through the ultrasound Wave fingerprint recognition mould group obtains the step of target fingerprint image, and second pre-determined distance is less than first pre-determined distance.

It is above-mentioned that mainly the scheme of the embodiment of the present application is described from the angle of method side implementation procedure.It is understood that , in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software mould for electronic equipment Block.Those skilled in the art should be readily appreciated that, in conjunction with each exemplary unit of embodiment description presented herein And algorithm steps, the application can be realized with the combining form of hardware or hardware and computer software.Some function actually with Hardware or computer software drive the mode of hardware to execute, the specific application and design constraint item depending on technical solution Part.Professional technician can specifically realize described function to each using distinct methods, but this reality Now it is not considered that exceeding scope of the present application.

The embodiment of the present application can carry out the division of functional unit according to above method example to electronic equipment, for example, can With each functional unit of each function division of correspondence, two or more functions can also be integrated in a processing unit In.Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.It needs It is noted that be schematical, only a kind of logical function partition to the division of unit in the embodiment of the present application, it is practical real It is current that there may be another division manner.

Fig. 4 A is the functional unit composition block diagram of fingerprint identification device 400 involved in the embodiment of the present application.The fingerprint Identification device 400, is applied to electronic equipment, and the electronic equipment includes ultrasonic fingerprint identification mould group；Described device 400 is wrapped It includes: first acquisition unit 401, the first determination unit 402, adjustment unit 403, matching unit 404 and unlocking unit 405, wherein

The first acquisition unit 401, for identifying that mould group obtains target fingerprint image by the ultrasonic fingerprint；

First determination unit 402, for determining the corresponding target fingerprint pickup area of the target fingerprint image, the mesh Mark the partial region that fingerprint collecting region is whole fingerprint pickup areas that the ultrasonic fingerprint identifies mould group；

Adjustment unit 403, for when the target fingerprint pickup area is not predeterminable area, adjustment preset fingerprint to be identified Threshold value obtains target fingerprint recognition threshold；

Matching unit 404, for matching the target fingerprint image with preset fingerprint template；

Unlocking unit 405 is greater than for the matching value between the target fingerprint image and the preset fingerprint template When the target fingerprint recognition threshold, it is unlocked operation.

As can be seen that fingerprint identification device described in the embodiment of the present application, is applied to electronic equipment, the electronic equipment Mould group is identified including ultrasonic fingerprint, is identified that mould group obtains target fingerprint image by ultrasonic fingerprint, is determined target fingerprint figure As corresponding target fingerprint pickup area, target fingerprint pickup area is whole fingerprint acquisition zones that ultrasonic fingerprint identifies mould group The partial region in domain adjusts preset fingerprint recognition threshold, obtains target and refer to when target fingerprint pickup area is not predeterminable area Line recognition threshold matches target fingerprint image with preset fingerprint template, in target fingerprint image and preset fingerprint template Between matching value be greater than target fingerprint recognition threshold when, be unlocked operation, can fingerprint collecting region not be specify area When domain or general regions, dynamic adjusts fingerprint recognition threshold value, promotes fingerprint recognition safety, also improves ultrasonic fingerprint knowledge The intelligence of other technology.

In a possible example, in the adjustment preset fingerprint recognition threshold, target fingerprint recognition threshold side is obtained Face, the adjustment unit 403 are specifically used for:

Determine the first center of the target fingerprint image；

Determine the second center of the predeterminable area；

Determine the target range between first center and second center；

In a possible example, as shown in Figure 4 B, Fig. 4 B is the another modification of fingerprint identification device shown in Fig. 4 A Structure can also include: division unit 406, the second determination unit 407 and selection unit 408 compared with Fig. 4 A, specifically It is as follows:

Whole fingerprint pickup areas are divided into multiple regions for division unit by division unit 406；

Second determination unit 407, for determining, each region collects specified type fingerprint image in the multiple region Secondary numerical value, obtain multiple secondary numerical value, corresponding one numerical value in each region；

Selection unit 408, for choosing the maximum value in the multiple secondary numerical value, using the corresponding region of the maximum value as The predeterminable area.

In a possible example, as shown in Figure 4 C, Fig. 4 C is the another modification of fingerprint identification device shown in Fig. 4 A Structure can also include: second acquisition unit 409 compared with Fig. 4 A, specific as follows:

Second acquisition unit 409, for obtaining current location；

By the adjustment unit 403 when the current location is not belonging to predeterminated position, the adjustment preset fingerprint is executed The step of recognition threshold.

In a possible example, as shown in Figure 4 D, Fig. 4 D is the another modification of fingerprint identification device shown in Fig. 4 A Structure can also include: detection unit 410 and extraction unit 411 compared with Fig. 4 A, specific as follows:

Detection unit 410, for identifying that mould group carries out proximity test by the ultrasonic fingerprint；

The first acquisition unit 401, be also used to detect close to object and the ultrasonic fingerprint identification mould group it Between distance less than the first pre-determined distance when, obtain the target image close to object；

Extraction unit 411 obtains objective contour image for carrying out contours extract to the target image；

First determination unit 402 confirms institute also particularly useful for when the objective contour image meets preset requirement Stating close to object is finger, and identifies mould close to object and the ultrasonic fingerprint described by the first acquisition unit 401 When the distance between group is less than the second pre-determined distance, execute described by ultrasonic fingerprint identification mould group acquisition target fingerprint The step of image, second pre-determined distance are less than first pre-determined distance.

It is understood that the function of each program module of the fingerprint identification device of the present embodiment can be according to above method reality The method specific implementation in example is applied, specific implementation process is referred to the associated description of above method embodiment, herein no longer It repeats.

The embodiment of the present application also provides a kind of computer storage medium, wherein computer storage medium storage is for electricity The computer program of subdata exchange, the computer program make computer execute any as recorded in above method embodiment Some or all of method step, above-mentioned computer include electronic equipment.

The embodiment of the present application also provides a kind of computer program product, and above-mentioned computer program product includes storing calculating The non-transient computer readable storage medium of machine program, above-mentioned computer program are operable to that computer is made to execute such as above-mentioned side Some or all of either record method step in method embodiment.The computer program product can be a software installation Packet, above-mentioned computer includes electronic equipment.

It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of Combination of actions, but those skilled in the art should understand that, the application is not limited by the described action sequence because According to the application, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know It knows, the embodiments described in the specification are all preferred embodiments, related actions and modules not necessarily the application It is necessary.

In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment Point, reference can be made to the related descriptions of other embodiments.

In several embodiments provided herein, it should be understood that disclosed device, it can be by another way It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of said units, it is only a kind of Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit, It can be electrical or other forms.

Above-mentioned unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.

If above-mentioned integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer-readable access to memory.Based on this understanding, the technical solution of the application substantially or Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment (can be personal computer, server or network equipment etc.) executes all or part of each embodiment above method of the application Step.And memory above-mentioned includes: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic or disk.

Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory May include: flash disk, read-only memory (English: Read-Only Memory, referred to as: ROM), random access device (English: Random Access Memory, referred to as: RAM), disk or CD etc..

The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and Embodiment is expounded, the description of the example is only used to help understand the method for the present application and its core ideas； At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the application There is change place, in conclusion the contents of this specification should not be construed as limiting the present application.

Claims

1. a kind of electronic equipment, which is characterized in that the electronic equipment includes processing circuit, and is connect with the processing circuit Ultrasonic fingerprint identify mould group, wherein

The processing circuit, for determining the corresponding target fingerprint pickup area of the target fingerprint image, the target fingerprint Pickup area is the partial region for whole fingerprint pickup areas that the ultrasonic fingerprint identifies mould group；It is adopted in the target fingerprint When integrating region not as predeterminable area, preset fingerprint recognition threshold is adjusted, target fingerprint recognition threshold is obtained；By the target fingerprint Image is matched with preset fingerprint template；And the matching between the target fingerprint image and the preset fingerprint template When value is greater than the target fingerprint recognition threshold, it is unlocked operation.

2. electronic equipment according to claim 1, which is characterized in that in the adjustment preset fingerprint recognition threshold, obtain In terms of target fingerprint recognition threshold, the processing circuit is specifically used for:

Determine the first center of the target fingerprint image；

Determine the second center of the predeterminable area；

Determine the target range between first center and second center；

According to the mapping relations between preset distance and regulation coefficient, the corresponding target adjustment system of the target range is determined Number；

According to preset fingerprint recognition threshold described in the target adjustment coefficient adjustment, the target fingerprint recognition threshold is obtained.

3. electronic equipment according to claim 1 or 2, which is characterized in that the processing circuit is specifically used for:

Whole fingerprint pickup areas are divided into multiple regions；

It determines that each region in the multiple region collects the secondary numerical value of specified type fingerprint image, obtains multiple secondary numerical value, Corresponding one numerical value in each region；

4. electronic equipment according to claim 1-3, which is characterized in that the processing circuit is specifically used for:

Obtain current location；

5. electronic equipment according to claim 1-4, which is characterized in that

Ultrasonic fingerprint identification mould group also particularly useful for:

Carry out proximity test；

The ultrasonic fingerprint identifies mould group, also particularly useful for it is described close to object and ultrasonic fingerprint identification mould group it Between distance less than the second pre-determined distance when, execute and described mould group acquisition target fingerprint image identified by the ultrasonic fingerprint The step of, second pre-determined distance is less than first pre-determined distance.

6. a kind of fingerprint identification method, which is characterized in that be applied to electronic equipment, the electronic equipment includes that ultrasonic fingerprint is known Other mould group；The described method includes:

Determine that the corresponding target fingerprint pickup area of the target fingerprint image, the target fingerprint pickup area are the ultrasound The partial region of whole fingerprint pickup areas of wave fingerprint recognition mould group；

When the target fingerprint pickup area is not predeterminable area, preset fingerprint recognition threshold is adjusted, obtains target fingerprint knowledge Other threshold value；

The target fingerprint image is matched with preset fingerprint template；

Matching value between the target fingerprint image and the preset fingerprint template is greater than the target fingerprint recognition threshold When, it is unlocked operation.

7. according to the method described in claim 6, it is characterized in that, the adjustment preset fingerprint recognition threshold, obtains target and refers to Line recognition threshold, comprising:

Determine the first center of the target fingerprint image；

Determine the second center of the predeterminable area；

Determine the target range between first center and second center；

8. method according to claim 6 or 7, which is characterized in that the method also includes:

Whole fingerprint pickup areas are divided into multiple regions；

9. according to the described in any item methods of claim 6-8, which is characterized in that the method also includes:

Obtain current location；

10. the method according to claim 6, which is characterized in that the method also includes:

When the objective contour image meets preset requirement, confirm it is described close to object be finger, and described close to object When the distance between ultrasonic fingerprint identification mould group is less than the second pre-determined distance, execution is described to be referred to by the ultrasonic wave Line identifies the step of mould group obtains target fingerprint image, and second pre-determined distance is less than first pre-determined distance.

11. a kind of fingerprint identification device, which is characterized in that be applied to electronic equipment, the electronic equipment includes ultrasonic fingerprint Identify mould group；Described device includes: first acquisition unit, the first determination unit, adjustment unit, matching unit and unlocking unit, Wherein,

First determination unit, for determining the corresponding target fingerprint pickup area of the target fingerprint image, the target Fingerprint collecting region is the partial region for whole fingerprint pickup areas that the ultrasonic fingerprint identifies mould group；

The adjustment unit, for when the target fingerprint pickup area is not predeterminable area, adjustment preset fingerprint to identify threshold Value, obtains target fingerprint recognition threshold；

The unlocking unit is greater than described for the matching value between the target fingerprint image and the preset fingerprint template When target fingerprint recognition threshold, it is unlocked operation.

12. a kind of electronic equipment, which is characterized in that including processor, memory, the memory is for storing one or more Program, and be configured to be executed by the processor, described program includes for executing as described in claim any one of 6-10 Method in step instruction.

13. a kind of computer readable storage medium, which is characterized in that storage is used for the computer program of electronic data interchange, In, the computer program makes computer execute such as the described in any item methods of claim 6-10.