CN110427741A

CN110427741A - Fingerprint identification method and Related product

Info

Publication number: CN110427741A
Application number: CN201910704657.9A
Authority: CN
Inventors: 吴安平
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2019-11-08
Anticipated expiration: 2039-07-31
Also published as: WO2021017815A1; CN110427741B

Abstract

The embodiment of the present application discloses a kind of fingerprint identification method and Related product, is applied to electronic equipment, the electronic equipment includes display screen module, and the display screen module includes ultrasonic wave mould group and display screen；This method comprises: obtaining the first fingerprint image by when the first position of display screen is in by touch condition by ultrasonic wave mould group, the first fingerprint image being matched with preset fingerprint template, obtains the first matching result；If the first matching result is that it fails to match, prompt information is issued, prompts the position of target object adjustment finger touch, the second fingerprint image is obtained by ultrasonic wave mould group, the second fingerprint image is matched with preset fingerprint template, obtains the second matching result；If the second matching result is that it fails to match, determine whether fingerprint recognition succeeds according to the first matching result and the second matching result, if fingerprint recognition success, default unlock operation is executed, in this way, improving fingerprint recognition efficiency.

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, still, when being stained with spot on display screen, may influence to refer to The efficiency of line identification.

Summary of the invention

The embodiment of the present application provides a kind of fingerprint identification method and Related product, when can be stained with spot on a display screen, Improve the efficiency of fingerprint recognition.

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 display screen module of the processing circuit connection, the display screen module includes display screen and ultrasonic wave mould group, wherein

The ultrasonic wave mould group, for obtaining first and referring to when the first position of the display screen is in by touch condition Print image；

The processing circuit obtains first for matching first fingerprint image with preset fingerprint template With result；If first matching result is that it fails to match, prompt information is issued, the prompt information is for prompting target object Adjust the position of finger touch；

The ultrasonic wave mould group, is also used to obtain the second fingerprint image, and second fingerprint image corresponds to the display screen The second position；

The processing circuit is also used to match second fingerprint image with the preset fingerprint template, obtain Second matching result；If second matching result is that it fails to match, according to first matching result and second matching As a result it determines whether fingerprint recognition succeeds, if fingerprint recognition success, executes default unlock operation.

Second aspect, the embodiment of the present application provide a kind of fingerprint identification method, are applied to electronic equipment, the electronic equipment Including display screen module, the display screen module includes ultrasonic wave mould group and display screen；The described method includes:

When the first position of the display screen is in by touch condition, the first fingerprint is obtained by the ultrasonic wave mould group Image；

First fingerprint image is matched with preset fingerprint template, obtains the first matching result；If described first Matching result is that it fails to match, issues prompt information, and the prompt information is used to prompt the position of target object adjustment finger touch It sets；

The second fingerprint image is obtained by the ultrasonic wave mould group, second fingerprint image corresponds to the of the display screen Two positions；

Second fingerprint image is matched with the preset fingerprint template, obtains the second matching result；If described Second matching result is that it fails to match, whether determines fingerprint recognition according to first matching result and second matching result Success executes default unlock operation if fingerprint recognition success.

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 display screen module, and the display screen module includes ultrasonic wave mould group and display screen；Described device includes:

Acquiring unit, for passing through the ultrasonic wave mould when the first position of the display screen is in by touch condition Group obtains the first fingerprint image；

Matching unit obtains the first matching knot for matching first fingerprint image with preset fingerprint template Fruit；If first matching result is that it fails to match, prompt information is issued, the prompt information is for prompting target object to adjust The position of finger touch；

The acquiring unit is also used to obtain the second fingerprint image, second fingerprint image by the ultrasonic wave mould group As the second position of the corresponding display screen；

The matching unit is also used to match second fingerprint image with the preset fingerprint template, obtain Second matching result；If second matching result is that it fails to match, according to first matching result and second matching As a result it determines whether fingerprint recognition succeeds, if fingerprint recognition success, executes default unlock operation.

Fourth aspect, the embodiment of the present application provides a kind of electronic equipment, including display screen, ultrasonic wave mould group, processor, deposits Reservoir, communication interface and one or more programs, wherein said one or multiple programs are stored in above-mentioned memory, And it is configured to be executed by above-mentioned processor, above procedure is included the steps that for executing in the embodiment of the present application second aspect Instruction.

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 display screen module, and the display screen module includes ultrasonic wave mould group and display screen, by display screen When first position is in by touch condition, the first fingerprint image is obtained by ultrasonic wave mould group, by the first fingerprint image and is preset Fingerprint template is matched, and the first matching result is obtained；If the first matching result is that it fails to match, prompt information is issued, is prompted Target object adjusts the position of finger touch, obtains the second fingerprint image by ultrasonic wave mould group, by the second fingerprint image and in advance If fingerprint template is matched, the second matching result is obtained；If the second matching result is that it fails to match, according to the first matching result It determines whether fingerprint recognition succeeds with the second matching result, if fingerprint recognition success, executes default unlock operation, so, it is possible When there is spot on a display screen, the mobile finger of user is prompted, and determine finally according to the matching result of two fingerprint images Fingerprint recognition is as a result, to improve fingerprint recognition efficiency.

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 that electronic equipment provided by the embodiments of the present application detects that finger is moved to the second position from first position Demonstrate schematic diagram；

Fig. 1 E is provided by the embodiments of the present application a kind of first fingerprint image to be divided into drilling for multiple first finger-print regions Show schematic diagram；

Fig. 1 F be a kind of at least one first finger-print region by successful match provided by the embodiments of the present application and matching at The demonstration schematic diagram that nonoverlapping region is spliced at least one second finger-print region of function；

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 is a kind of functional unit composition block diagram of 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 display screen module, which may include display screen and ultrasonic wave mould group, ultrasound Wave mould group can integrate below display screen, alternatively, ultrasonic wave mould group can be set in the side or the back side of electronic equipment, In This is not construed as limiting, which can be used for acquiring fingerprint image.

Display screen module may include one or more display screens, such as display screen 130.Display screen 130 may include liquid Crystal display screen, organic light-emitting diode (OLED) display screen, electric ink display screen, plasma panel use other display technologies One or several kinds of combination in display screen.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) array The capacitive touch sensors of formation, or can be the touch sensor formed using other touching techniques, such as sound wave touching Control, pressure sensible touch, resistive touch, optical touch etc., the embodiment of the present application is with no restriction.

Sensor 170 can also include ambient light sensor, the proximity sensor based on light and capacitor, touch sensor (for example, being based on light touch sensor and/or capacitive touch sensors, wherein touch sensor can be touching display screen A part can also be used as a touch sensor arrangement and independently use), acceleration transducer and other sensors etc..

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 wave mould group is located at below display screen as an example, as shown in Figure 1B, Figure 1B is electricity A kind of structural schematic diagram of sub- equipment, electronic equipment 100 may include 210, display screen glass cover-plate (Cover glass) (OLED) 220, adhesive layer (Adhesive) 230, substrate (TFT Glass) 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 wave mould group may include: Glass layers of TFT, Pixel layers, Ink layers of Ag and solidification glue-line. Glass layers of TFT for metal wiring, material coating；Pixel layers, the Metal electrode for being embedded on TFT Glass, as Ultrasonic wave transmitting/received cathode, Copolymer, is also piezoelectric energy-conversion material, can " material deformation-voltage " mutually conversion； Ink layers of Ag, it is used as ultrasonic wave transmitting/received anode；DAF is freezing plastic, for protecting ultrasonic wave mould group；Adhesive layers It is the viscose glue by ultrasonic wave mould group station in OLED screen bottom.

In the specific implementation, ultrasonic wave 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 display screen surface after through OLED screen, due to referring to When line paddy ridge is bonded with display screen, due to the air in fingerprint valley acoustic resistance characteristic and screen surfaces glass acoustic resistance different from those compared with Greatly, the acoustic resistance characteristic of the skin histology of fingerprint ridge and screen surfaces glass acoustic resistance property difference are relatively large, therefore, fingerprint valley ridge pair The reflected signal strength of ultrasonic wave is different.

Under RX state, ultrasonic wave mould group (Pixel- is reached when reflected ultrasonic wave again passes through display screen Copolymer-Ag Ink) after, cause Copolymer vibration to generate electric signal, the corresponding pixel of fingerprint valley ridge of different location The Copolymer oscillation intensity in region is of different sizes, therefore the potential difference that receives of different location Pixel also not identical (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:

First fingerprint image is matched with preset fingerprint template described, in terms of obtaining the first matching result, The processing circuit is specifically used for:

First fingerprint image is divided into multiple first finger-print regions；

Determine at least one first finger-print region of successful match in the multiple first finger-print region；

If the corresponding first area area of at least one first finger-print region of the successful match and first fingerprint First accounting of the first image area of image is greater than the first preset threshold, determines the first fingerprint image successful match, if First accounting is less than or equal to first preset threshold, determines that it fails to match for first fingerprint image.

It is described that first fingerprint image is divided into multiple first finger-print regions in a possible example, it is described Processing circuit is specifically used for:

First fingerprint image is subjected to feature extraction, obtains fisrt feature point point set；

The distribution feelings of corresponding multiple characteristic matching results of multiple fisrt feature points are concentrated according to the fisrt feature point First fingerprint image is divided into multiple first finger-print regions by condition.

In a possible example, at least one of successful match in the multiple first finger-print region of the determination In terms of first finger-print region, the processing circuit is specifically used for:

According to the multiple features for multiple fisrt feature points that each finger-print region in the multiple first finger-print region includes The maximum characteristic matching result of accounting is as the Region Matching of corresponding finger-print region as a result, obtaining multiple regions in matching result With result；

Determine at least one Region Matching result corresponding at least one of successful match in the multiple Region Matching result A first finger-print region.

In a possible example, described by second fingerprint image and preset fingerprint template progress Match, in terms of obtaining the second matching result, the processing circuit is specifically used for:

Second fingerprint image is divided into multiple second finger-print regions；

Determine at least one second finger-print region of successful match in the multiple second finger-print region；

The second matching knot of second fingerprint image is determined according at least one second finger-print region of the successful match Fruit；

Determine whether the fingerprint recognition succeeds according to first matching result and second matching result described Aspect, the processing circuit are specifically used for:

By at least one second fingerprint of at least one first finger-print region of the successful match and the successful match Nonoverlapping region is spliced in region, obtains finger-print region image；

Determine the target image area of the finger-print region image and the pre-set image area of the preset fingerprint template Target accounting；

If the target accounting is greater than the second preset threshold, the fingerprint recognition success is determined；If the target accounting is small In or equal to second preset threshold, the fingerprint recognition failure is determined.

In a possible example, the display screen is also used to:

Detecting the predeterminable area on the display screen, there are when finger contact, determine that the display screen is in be touched The area of state, the predeterminable area is greater than preset area threshold value, and first fingerprint image corresponds to the institute of the predeterminable area First position is stated, second fingerprint image corresponds to the second position of the predeterminable area.

As can be seen that electronic equipment described in the embodiment of the present application, which includes ultrasonic wave mould group and shows Display screen will by obtaining the first fingerprint image by ultrasonic wave mould group when the first position of display screen is in by touch condition First fingerprint image is matched with preset fingerprint template, obtains the first matching result；If the first matching result is that it fails to match, Prompt information is issued, the position of target object adjustment finger touch is prompted, the second fingerprint image is obtained by ultrasonic wave mould group, it will Second fingerprint image is matched with preset fingerprint template, obtains the second matching result；If the second matching result is that it fails to match, It determines whether fingerprint recognition succeeds according to the first matching result and the second matching result, if fingerprint recognition success, executes default solution Lock operation when so, it is possible to have spot on a display screen, prompts the mobile finger of user, and according to of two fingerprint images Final fingerprint recognition is determined with result as a result, to improve fingerprint recognition efficiency.

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 wave mould group and display screen, this fingerprint recognition Method includes:

101, when the first position of display screen is in by touch condition, the first fingerprint image is obtained by ultrasonic wave mould group Picture.

Wherein, ultrasonic wave mould group can integrate below display screen, and ultrasonic wave mould group corresponds to fingerprint collecting region, and fingerprint is adopted Collection region corresponds to the touch area of all or part of display screen, and fingerprint collecting region can be realized to one or more finger Carry out fingerprint collecting.It is arrived in finger touch or close to the touch area of the corresponding display screen in fingerprint collecting region, then electronics is set It is standby fingerprint collecting to be carried out by ultrasonic wave mould group, obtain the first fingerprint image.

Optionally, it in the embodiment of the present application, can comprise the further steps of:

Wherein, above-mentioned predeterminable area is part corresponding with ultrasonic wave mould group touch area on display screen.

In the embodiment of the present application, it can be correspondingly arranged ultrasonic wave mould group in predeterminable area, in turn, can be detected and be used by display screen The touch control operation of the finger contact display screen at family, detecting the predeterminable area on display screen, there are when finger contact, it is determined that Display screen is in by touch condition.

102, first fingerprint image is matched with preset fingerprint template, obtains the first matching result；If described First matching result is that it fails to match, issues prompt information, the prompt information is for prompting target object to adjust finger touch Position.

Wherein, preset fingerprint template can be stored in advance in electronic equipment.If the first matching result is that it fails to match, can send out Prompt information out, prompt information can be following at least one: text information, audio-frequency information, pattern-information, identification information etc. Deng.To prompt the position of target object adjustment finger touch, make user that finger is moved to second from first position It sets, please refers to Fig. 1 D, Fig. 1 D is that electronic equipment provided by the embodiments of the present application detects that finger is moved to second from first position The demonstration schematic diagram of position.

Optionally, in above-mentioned steps 102, first fingerprint image is matched with preset fingerprint template, obtains One matching result, it may include following steps 21- step 23:

21, first fingerprint image is divided into multiple first finger-print regions；

Wherein, the mode for the first fingerprint image being divided into multiple first finger-print regions can be with default settings, optionally, can Fifty-fifty the first fingerprint image is divided into multiple equal multiple first finger-print regions, for example, the first fingerprint image is divided For 9 lattice, corresponding first finger-print region of each lattice, the area of all first finger-print regions, shape are identical.Alternatively, can also root Multiple first finger-print regions are divided according to the distribution of pixel in the first fingerprint image, for example, in general, in the first fingerprint image The pixel of the corresponding finger-print region in region among finger is than more visible, close to the corresponding fingerprint in region of finger edge The pixel in region is relatively fuzzyyer, therefore, can be drawn the first fingerprint image according to the difference among the first fingerprint image and edge It is divided into multiple first finger-print regions, wherein the first finger-print region of part corresponds to the area among finger in multiple first finger-print regions Domain, the first finger-print region of part correspond to the region of finger edge.

Optionally, in above-mentioned steps 21, first fingerprint image is divided into multiple first finger-print regions, it may include with Lower step:

A1, first fingerprint image is subjected to feature extraction, obtains fisrt feature point point set；

A2, concentrated according to the fisrt feature point multiple fisrt feature points corresponding multiple characteristic matching results distribution First fingerprint image is divided into multiple first finger-print regions by situation.

In the embodiment of the present application, in order to which the first fingerprint image more rationally, is accurately divided into multiple first fingerprint regions First fingerprint image can be carried out feature extraction, obtain fisrt feature point point set by domain, and it includes multiple that fisrt feature point point, which is concentrated, One characteristic point can be matched for multiple fisrt feature points, be obtained during carrying out fingerprint recognition to the first fingerprint image It, specifically, can will be any for any fisrt feature point in multiple fisrt feature points to the matching result of multiple fisrt feature points Fisrt feature point is matched with the feature samples point in preset fingerprint template, if should exist and this in the preset fingerprint template Matching value between 1 fisrt feature point is more than the sample characteristics point of preset matching value, it may be determined that the spy of any fisrt feature point Sign matching result is successful match, in this way, the corresponding multiple characteristic matching results of multiple fisrt feature points can be obtained.In turn, may be used The first fingerprint image is divided into multiple first finger-print regions according to the distribution situation of multiple characteristic matching results, please refers to figure 1E, Fig. 1 E are that a kind of demonstration that first fingerprint image is divided into multiple first finger-print regions provided by the embodiments of the present application is illustrated Figure, wherein the first finger-print region of part is to have accumulated multiple fisrt feature points that characteristic matching result is mainly successful match Concentrated area, first finger-print region of another part is to have accumulated characteristic matching result to be mainly that it fails to match multiple first The concentrated area of feature, in this way, which Region Matching success, which region in the first fingerprint image more can be intuitively found out It fails to match.

22, at least one first finger-print region of successful match in the multiple first finger-print region is determined；

Wherein, after obtaining multiple first finger-print regions, it may be determined that every one first fingerprint region in multiple first finger-print regions The Region Matching in domain is as a result, obtain multiple regions matching result, in turn, can choose Region Matching result be successful match at least One the first finger-print region.

Optionally, in above-mentioned steps 22, determine successful match in the multiple first finger-print region at least one first Finger-print region, it may include following steps:

B1, the multiple fisrt feature points for including according to one first finger-print region every in the multiple first finger-print region it is more The maximum characteristic matching result of accounting is as the Region Matching of corresponding finger-print region as a result, obtaining multiple in a characteristic matching result Region Matching result；

B2, determine that at least one Region Matching result of successful match in the multiple Region Matching result is corresponding at least One the first finger-print region.

Wherein, in every one first finger-print region, it may include multiple fisrt feature points, each fisrt feature point corresponding one A characteristic matching is as a result, may include the characteristic matching result of successful match in multiple characteristic matching results of multiple fisrt feature point With the characteristic matching that it fails to match as a result, accordingly, it can be determined that in the corresponding multiple characteristic matching results of every one first finger-print region The accounting of the accounting of the characteristic matching result of successful match and the characteristic matching result that it fails to match, obtains the maximum feature of accounting Matching result.

Wherein, for one first finger-print region every in multiple first finger-print regions, first finger-print region can be counted Multiple characteristic matchings of multiple fisrt feature points are as a result, if the characteristic matching result accounting maximum of successful match, first finger The Region Matching result in line region is successful match, if the characteristic matching result accounting that it fails to match is maximum, first fingerprint The Region Matching result in region is that it fails to match, so, it may be determined that the corresponding multiple regions matching knot of multiple first finger-print regions Fruit, and at least one corresponding first finger-print region of at least one Region Matching result for obtaining successful match.

If 23, the corresponding first area area of at least one described first finger-print region of successful match and described first refers to First accounting of the first image area of print image is greater than the first preset threshold, determines the first fingerprint image successful match, If first accounting is less than or equal to first preset threshold, determine that it fails to match for first fingerprint image.

Wherein, first area area is the sum of the area of at least one the first finger-print region of successful match, and the application is real It applies in example, it may be determined that the corresponding first area area of at least one first finger-print region of successful match specifically can will at least The sub- area at least one corresponding region of one the first finger-print region is added, and first area area is obtained, then, it is determined that the firstth area First accounting of domain area and the first image area, if first accounting is greater than the first preset threshold, it may be determined that the first fingerprint image As successful match, in turn, default unlock operation can be performed, otherwise, it determines it fails to match for the first fingerprint image, in turn, sending is mentioned Show information.

103, the second fingerprint image is obtained by the ultrasonic wave mould group, second fingerprint image corresponds to the display screen The second position.

In the embodiment of the present application, if the first matching result of the first fingerprint image is that it fails to match, user can be prompted mobile Finger obtains the second fingerprint image of the finger touch second position in turn to the second position.

104, second fingerprint image is matched with the preset fingerprint template, obtains the second matching result；If Second matching result is that it fails to match, determines fingerprint recognition according to first matching result and second matching result Whether succeed, if fingerprint recognition success, executes default unlock operation.

In the embodiment of the present application, the second fingerprint image is matched with preset fingerprint template, obtains the second matching result Specific implementation details, can refer to and match the first fingerprint image with preset fingerprint template, obtain the first matching result Specific implementation details, herein with no restriction.

Wherein, if the second matching result of the second fingerprint image is successful match, it can be directly unlocked operation, if the Two matching results are also that it fails to match, then can be determined according to the first matching result and the second matching result fingerprint recognition whether at Function specifically may also include at least one first finger-print region of successful match in the first fingerprint image in the first matching result, At least one second finger-print region that may also include successful match in the second fingerprint image in second matching result, due to the first finger Print image and the second fingerprint image are the fingerprint image of same finger, can be according at least one first finger-print region and at least one A second finger-print region determines whether fingerprint recognition succeeds.

Optionally, in above-mentioned steps 104, second fingerprint image is matched with the preset fingerprint template, is obtained To the second matching result, may include steps of:

41, second fingerprint image is divided into multiple second finger-print regions；

42, at least one second finger-print region of successful match in the multiple second finger-print region is determined；

43, the second matching of second fingerprint image is determined according at least one second finger-print region of the successful match As a result；

It determines whether the fingerprint recognition succeeds according to first matching result and second matching result, can wrap Include following steps:

44, by least one second finger of at least one first finger-print region of the successful match and the successful match Nonoverlapping region is spliced in line region, obtains finger-print region image；

45, the target image area of the finger-print region image and the pre-set image area of the preset fingerprint template are determined Target accounting；

If 46, the target accounting is greater than the second preset threshold, the fingerprint recognition success is determined；If the target accounting Less than or equal to second preset threshold, the fingerprint recognition failure is determined.

Wherein, the mode that the second fingerprint image is divided into multiple second finger-print regions is divided by the first fingerprint image The mode of multiple first finger-print regions is consistent, so, it is ensured that subsequent according to the first matching result and second matching result Determine the accuracy of the whether successful result of the fingerprint recognition.

Wherein, it is contemplated that the template area and at least one in the corresponding preset fingerprint template of at least one first finger-print region It template area in the corresponding preset fingerprint template of a second finger-print region not exclusively, therefore, can be by successful match extremely Nonoverlapping region is spliced in few first finger-print region and at least one second finger-print region of successful match, is obtained Finger-print region image, please refers to Fig. 1 F, Fig. 1 F be it is provided by the embodiments of the present application it is a kind of by successful match at least one first The demonstration schematic diagram that nonoverlapping region is spliced in the second finger-print region of at least one of finger-print region and successful match, such as This, available finger-print region image, the fingerprint feature point in finger-print region image is the fingerprint feature point of successful match, into And, it may be determined that the target image area of finger-print region image and the target of the pre-set image area of the preset fingerprint template account for Than determining fingerprint recognition success if target accounting is greater than the second preset threshold；If target accounting is less than or equal to the second default threshold Value determines that fingerprint recognition fails.

For example, setting first if being directed to each fingerprint image, such as the first fingerprint image or the second fingerprint image Preset threshold is 85%, then be directed to the first fingerprint image, if the corresponding first area area of at least one first finger-print region with First accounting of the first image area of first fingerprint image is 70%, for the second fingerprint image, if instruction one the Second accounting of the target image area of the corresponding second area area of two finger-print regions and the second fingerprint image is 75%, then single The only son and heir is according to the first fingerprint image or the matching result of the second fingerprint image, and obtain fingerprint recognition failure as a result, in turn, can will In at least one second finger-print region at least one successful first finger-print region and successful match nonoverlapping region into Row splicing, obtains finger-print region image, it is assumed that set the second preset threshold as 90%, however, it is determined that the target figure of finger-print region image The long-pending target accounting with the pre-set image area of the preset fingerprint template of image planes is 91%, and it is pre- to show that target accounting is greater than second If threshold value, in turn, it may be determined that fingerprint recognition success, in this way, can be determined according to the first matching result and the second matching result final Fingerprint recognition result it is not necessary to again acquire a fingerprint image, that is, can determine fingerprint recognition success, thus, can reduce The number for acquiring fingerprint image, improves the efficiency of fingerprint recognition.

As can be seen that fingerprint identification method described in the embodiment of the present application, is applied to electronic equipment, the electronic equipment Including display screen module, the display screen module includes ultrasonic wave mould group and display screen, by the first position of display screen When by touch condition, the first fingerprint image is obtained by ultrasonic wave mould group, by the first fingerprint image and preset fingerprint template into Row matching, obtains the first matching result；If the first matching result is that it fails to match, prompt information is issued, prompts target object tune The position of whole finger touch obtains the second fingerprint image by ultrasonic wave mould group, by the second fingerprint image and preset fingerprint template It is matched, obtains the second matching result；If the second matching result is that it fails to match, matched according to the first matching result and second As a result it determines whether fingerprint recognition succeeds, if fingerprint recognition success, executes default unlock operation, so, it is possible on a display screen There are when spot, user is prompted to move finger, and determine final fingerprint recognition knot according to the matching result of two fingerprint images Fruit, thus, improve fingerprint recognition efficiency.

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 aobvious Display screen mould group, the display screen module include ultrasonic wave mould group and display screen；This fingerprint identification method includes:

201, when the first position of display screen is in by touch condition, the first fingerprint image is obtained by ultrasonic wave mould group Picture.

202, first fingerprint image is divided into multiple first finger-print regions.

203, at least one first finger-print region of successful match in the multiple first finger-print region is determined.

If 204, the corresponding first area area of at least one first finger-print region and described first of the successful match First accounting of the first image area of fingerprint image is greater than the first preset threshold, determine first fingerprint image matching at Function executes default unlock operation.

If 205, first accounting is less than or equal to first preset threshold, the first fingerprint image matching is determined Failure, issues prompt information, and the prompt information is used to prompt the position of target object adjustment finger touch.

206, the second fingerprint image is obtained by the ultrasonic wave mould group, second fingerprint image corresponds to the display screen The second position.

207, second fingerprint image is divided into multiple second finger-print regions.

208, at least one second finger-print region of successful match in the multiple second finger-print region is determined.

209, second of second fingerprint image is determined according at least one second finger-print region of the successful match With result.

If 210, second matching result is that it fails to match, by least one first finger-print region of the successful match Spliced with nonoverlapping region at least one second finger-print region of the successful match, obtains finger-print region image.

211, the target image area of the finger-print region image and the pre-set image face of the preset fingerprint template are determined Long-pending target accounting.

If 212, the target accounting is greater than the second preset threshold, the fingerprint recognition success is determined, and execute default solution Lock operation；If the target accounting is less than or equal to second preset threshold, the fingerprint recognition failure is determined.

Wherein, the specific descriptions of above-mentioned steps 201- step 212 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 Including display screen module, the display screen module includes ultrasonic wave mould group and display screen, can be divided into the first fingerprint image more A first finger-print region, and then determine according to the Region Matching result of multiple first finger-print regions the matching knot of the first fingerprint image Fruit, in addition, can have spot on a display screen, leads to the first fingerprint image and in this way, the accuracy of fingerprint recognition can be improved When the matching result failure of two fingerprint images, at least according at least one first finger-print region and successful match of successful match One the second finger-print region determines final fingerprint recognition as a result, in this way, improving fingerprint recognition efficiency.

Consistently with above-described embodiment, referring to Fig. 3, Fig. 3 is a kind of electronic equipment 300 provided by the embodiments of the present application Structural schematic diagram, as shown, the electronic equipment 300 includes processor 310, memory 320, communication interface 330 and one Or multiple programs 321, the electronic equipment include ultrasonic wave mould group 340 and display screen 350, said one or multiple programs are deposited Storage is configured to be executed by above-mentioned processor in above-mentioned memory, and in the embodiment of the present application, above procedure 321 includes using In the instruction for executing following steps:

In a possible example, first fingerprint image is matched with preset fingerprint template described, is obtained In terms of the first matching result, above procedure 321 includes the instruction for executing following steps:

First fingerprint image is divided into multiple first finger-print regions；

In a possible example, first fingerprint image is divided into multiple first finger-print region sides described Face, above procedure 321 include the instruction for executing following steps:

In a possible example, at least one of successful match in the multiple first finger-print region of the determination In terms of first finger-print region, above procedure 321 includes the instruction for executing following steps:

In a possible example, described by second fingerprint image and preset fingerprint template progress Match, in terms of obtaining the second matching result, above procedure 321 further includes the instruction for executing following steps:

Determine whether the fingerprint recognition succeeds according to first matching result and second matching result described Aspect, above procedure further include the instruction for executing following steps:

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

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 is the functional unit composition block diagram of fingerprint identification device 400 involved in the embodiment of the present application.The fingerprint is known Other device 400 is applied to electronic equipment, and the electronic equipment includes display screen module, and the display screen module includes ultrasonic wave Mould group and display screen；Described device 400 includes: acquiring unit 401, matching unit 402 and execution unit 403, wherein

The acquiring unit 401, for being surpassed by described when the first position of the display screen is in by touch condition Sound wave mould group obtains the first fingerprint image；

Matching unit 402 obtains the first matching for matching first fingerprint image with preset fingerprint template As a result；If first matching result is that it fails to match, prompt information is issued, the prompt information is for prompting target object tune The position of whole finger touch；

The acquiring unit 401 is also used to obtain the second fingerprint image, second fingerprint by the ultrasonic wave mould group Image corresponds to the second position of the display screen；

The matching unit 402 is also used to match second fingerprint image with the preset fingerprint template, obtain To the second matching result；If second matching result is that it fails to match, according to first matching result and second described Determine whether fingerprint recognition succeeds with result；

The execution unit 403, in fingerprint recognition success, executing default unlock 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 Including ultrasonic wave mould group and display screen, by passing through ultrasonic wave mould group when the first position of display screen is in by touch condition The first fingerprint image is obtained, the first fingerprint image is matched with preset fingerprint template, obtains the first matching result；If first Matching result is that it fails to match, issues prompt information, prompts the position of target object adjustment finger touch, passes through ultrasonic wave mould group The second fingerprint image is obtained, the second fingerprint image is matched with preset fingerprint template, obtains the second matching result；If second Matching result is that it fails to match, determines whether fingerprint recognition succeeds according to the first matching result and the second matching result, if fingerprint It identifies successfully, executes default unlock operation, when so, it is possible to have spot on a display screen, prompt the mobile finger of user, and root Final fingerprint recognition is determined according to the matching result of two fingerprint images as a result, to improve fingerprint recognition efficiency.

Optionally, first fingerprint image is matched described with preset fingerprint template, obtains the first matching knot In terms of fruit, the matching unit 402 is specifically used for:

First fingerprint image is divided into multiple first finger-print regions；

Optionally, it is described first fingerprint image is divided into multiple first finger-print regions in terms of, the matching is single Member 402 is specifically used for:

Optionally, in the multiple first finger-print region of the determination successful match at least one first finger-print region Aspect, the matching unit 402 are specifically used for:

Optionally, second fingerprint image is matched described with the preset fingerprint template, obtains second With in terms of result, the matching unit 402 is specifically used for:

Determine whether the fingerprint recognition succeeds according to first matching result and second matching result described Aspect, the matching unit 402 are specifically used for:

Optionally, the execution unit 403 is also used to:

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 Display screen module, the display screen module includes display screen and ultrasonic wave mould group, wherein

The ultrasonic wave mould group, for obtaining the first fingerprint image when the first position of the display screen is in by touch condition Picture；

The processing circuit obtains the first matching knot for matching first fingerprint image with preset fingerprint template Fruit；If first matching result is that it fails to match, prompt information is issued, the prompt information is for prompting target object to adjust The position of finger touch；

The ultrasonic wave mould group, is also used to obtain the second fingerprint image, and second fingerprint image corresponds to the of the display screen Two positions；

The processing circuit is also used to match second fingerprint image with the preset fingerprint template, obtains second Matching result；If second matching result is that it fails to match, according to first matching result and second matching result It determines whether fingerprint recognition succeeds, if fingerprint recognition success, executes default unlock operation.

2. electronic equipment according to claim 1, which is characterized in that described by first fingerprint image and default finger Line template is matched, and in terms of obtaining the first matching result, the processing circuit is specifically used for:

First fingerprint image is divided into multiple first finger-print regions；

If the corresponding first area area of at least one first finger-print region of the successful match and first fingerprint image The first image area the first accounting be greater than the first preset threshold, the first fingerprint image successful match is determined, if described First accounting is less than or equal to first preset threshold, determines that it fails to match for first fingerprint image.

3. electronic equipment according to claim 2, which is characterized in that it is described first fingerprint image is divided into it is multiple First finger-print region, the processing circuit are specifically used for:

Concentrate the distribution situation of corresponding multiple characteristic matching results of multiple fisrt feature points will according to the fisrt feature point First fingerprint image is divided into multiple first finger-print regions.

4. electronic equipment according to claim 2 or 3, which is characterized in that in the multiple first fingerprint region of the determination In domain in terms of the first finger-print region of at least one of successful match, the processing circuit is specifically used for:

According to the multiple characteristic matchings for multiple fisrt feature points that each finger-print region in the multiple first finger-print region includes As a result the maximum characteristic matching result of middle accounting is as the Region Matching of corresponding finger-print region as a result, obtaining multiple regions matching knot Fruit；

Determine at least one Region Matching result of successful match in the multiple Region Matching result it is corresponding at least one One finger-print region.

5. according to the described in any item electronic equipments of claim 2-4, which is characterized in that described by second fingerprint image It is matched with the preset fingerprint template, in terms of obtaining the second matching result, the processing circuit is specifically used for:

The second matching result of second fingerprint image is determined according at least one second finger-print region of the successful match；

The whether successful aspect of the fingerprint recognition is determined according to first matching result and second matching result described, The processing circuit is specifically used for:

By at least one second finger-print region of at least one first finger-print region of the successful match and the successful match In nonoverlapping region spliced, obtain finger-print region image；

Determine the target of the target image area of the finger-print region image and the pre-set image area of the preset fingerprint template Accounting；

If the target accounting is greater than the second preset threshold, the fingerprint recognition success is determined；If the target accounting be less than or Equal to second preset threshold, the fingerprint recognition failure is determined.

6. electronic equipment according to claim 1-5, which is characterized in that the ultrasonic wave mould group is set to described Below the predeterminable area of display screen, the display screen is also used to:

Detecting the predeterminable area on the display screen, there are when finger contact, determine the display screen in by touch shape The area of state, the predeterminable area is greater than preset area threshold value, and first fingerprint image corresponds to the described of the predeterminable area First position, second fingerprint image correspond to the second position of the predeterminable area.

7. a kind of fingerprint identification method, which is characterized in that it is applied to electronic equipment, the electronic equipment includes display screen module, The display screen module includes ultrasonic wave mould group and display screen；The described method includes:

When the first position of the display screen is in by touch condition, the first fingerprint image is obtained by the ultrasonic wave mould group Picture；

First fingerprint image is matched with preset fingerprint template, obtains the first matching result；If first matching As a result for it fails to match, prompt information is issued, the prompt information is used to prompt the position of target object adjustment finger touch；

The second fingerprint image is obtained by the ultrasonic wave mould group, second fingerprint image corresponds to the second of the display screen It sets；

Second fingerprint image is matched with the preset fingerprint template, obtains the second matching result；If described second Matching result be it fails to match, according to first matching result and second matching result determine fingerprint recognition whether at Function executes default unlock operation if fingerprint recognition success.

8. the method according to the description of claim 7 is characterized in that described by first fingerprint image and preset fingerprint template It is matched, obtains the first matching result, comprising:

First fingerprint image is divided into multiple first finger-print regions；

9. according to the method described in claim 8, it is characterized in that, described be divided into multiple first for first fingerprint image Finger-print region, comprising:

10. method according to claim 8 or claim 9, which is characterized in that in the multiple first finger-print region of determination With at least one successful first finger-print region, comprising:

11. according to the described in any item methods of claim 8-10, which is characterized in that described by second fingerprint image and institute It states preset fingerprint template to be matched, obtains the second matching result, comprising:

It is described to determine whether the fingerprint recognition succeeds according to first matching result and second matching result, comprising:

12. according to the described in any item methods of claim 7-11, which is characterized in that the ultrasonic wave mould group is set to described aobvious Below the predeterminable area of display screen, the method also includes:

13. a kind of fingerprint identification device, which is characterized in that it is applied to electronic equipment, the electronic equipment includes display screen module, The display screen module includes ultrasonic wave mould group and display screen；Described device includes:

Acquiring unit, for being obtained by the ultrasonic wave mould group when the first position of the display screen is in by touch condition Take the first fingerprint image；

Matching unit obtains the first matching result for matching first fingerprint image with preset fingerprint template；If First matching result is that it fails to match, issues prompt information, the prompt information is for prompting target object to adjust finger The position of touch-control；

The acquiring unit is also used to obtain the second fingerprint image, second fingerprint image pair by the ultrasonic wave mould group Answer the second position of the display screen；

The matching unit is also used to match second fingerprint image with the preset fingerprint template, obtains second Matching result；If second matching result is that it fails to match, according to first matching result and second matching result Determine whether fingerprint recognition succeeds；

Execution unit, in fingerprint recognition success, executing default unlock operation.

14. device according to claim 13, which is characterized in that described by first fingerprint image and preset fingerprint Template is matched, and in terms of obtaining the first matching result, the matching unit is specifically used for:

First fingerprint image is divided into multiple first finger-print regions；

15. device according to claim 14, which is characterized in that it is described first fingerprint image is divided into it is multiple In terms of first finger-print region, the matching unit is specifically used for:

16. device according to claim 14 or 15, which is characterized in that in the multiple first finger-print region of the determination In terms of at least one first finger-print region of middle successful match, the matching unit is specifically used for:

17. the described in any item devices of 4-16 according to claim 1, which is characterized in that described by second fingerprint image It is matched with the preset fingerprint template, in terms of obtaining the second matching result, the matching unit is specifically used for:

The whether successful aspect of the fingerprint recognition is determined according to first matching result and second matching result described, The matching unit is specifically used for:

18. the described in any item devices of 3-17 according to claim 1, which is characterized in that the ultrasonic wave mould group is set to described Below the predeterminable area of display screen, the execution unit is also used to:

19. a kind of electronic equipment, which is characterized in that including display screen, ultrasonic wave mould group, processor, memory, the memory For storing one or more programs, and it is configured to be executed by the processor, described program includes for executing such as right It is required that the instruction of the step in the described in any item methods of 7-12.

20. 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 7-12.