CN107844763A - A kind of face identification method, mobile terminal and computer-readable recording medium - Google Patents

A kind of face identification method, mobile terminal and computer-readable recording medium Download PDF

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Publication number
CN107844763A
CN107844763A CN201711020200.3A CN201711020200A CN107844763A CN 107844763 A CN107844763 A CN 107844763A CN 201711020200 A CN201711020200 A CN 201711020200A CN 107844763 A CN107844763 A CN 107844763A
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CN
China
Prior art keywords
ultrasonic
ultrasonic transmitter
mobile terminal
ultrasonic wave
transmitter
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CN201711020200.3A
Other languages
Chinese (zh)
Inventor
丁火根
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努比亚技术有限公司
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Application filed by 努比亚技术有限公司 filed Critical 努比亚技术有限公司
Priority to CN201711020200.3A priority Critical patent/CN107844763A/en
Publication of CN107844763A publication Critical patent/CN107844763A/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00006Acquiring or recognising fingerprints or palmprints
    • G06K9/00013Image acquisition
    • G06K9/0002Image acquisition by non-optical methods, e.g. by ultrasonic or capacitive sensing
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00201Recognising three-dimensional objects, e.g. using range or tactile information
    • G06K9/00214Recognising three-dimensional objects, e.g. using range or tactile information by matching three-dimensional models, e.g. conformal mapping of Riemann surfaces

Abstract

The invention discloses a kind of face identification method, mobile terminal and computer-readable recording medium, the mobile terminal includes display screen and the multiple ultrasonic transmitters being arranged on below the display screen, the face identification method controls the multiple ultrasonic transmitter to send ultrasonic wave, wherein, the frequency for the ultrasonic wave being simultaneously emitted by is different;The ultrasonic reflections signal received according to the microphone of the mobile terminal, calculate the distance that the body surface each point before the mobile terminal arrives the multiple ultrasonic transmitter respectively;The distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes the threedimensional model of object;Judge whether the threedimensional model of the foundation matches with default threedimensional model.So, the face identification method detects face by ultrasonic transmitter, identifies face in screen mobile terminal comprehensively so as to realize, lifts Consumer's Experience.

Description

A kind of face identification method, mobile terminal and computer-readable recording medium

Technical field

The present invention relates to technical field of face recognition, more particularly to a kind of face identification method, mobile terminal and computer Readable storage medium storing program for executing.

Background technology

With the continuous development of electronic technology, the work in people of mobile terminal (such as smart mobile phone, tablet personal computer etc.) Make and life in play indispensable role, in order to protect the privacy information stored in mobile terminal, recognition of face into For a kind of development trend.As people improve constantly to mobile terminal experience requirements, shield mobile terminal comprehensively and be becoming increasingly popular. In the prior art, it is identified typically by the front camera capture facial image of mobile terminal, however, front camera It can influence to shield the attractive in appearance of mobile terminal comprehensively.It can be seen that how to realize that the recognition of face of screen mobile terminal turns into urgently to be resolved hurrily comprehensively Problem.

The content of the invention

In view of this, the present invention proposes a kind of face identification method, mobile terminal and computer-readable recording medium, with solution Certainly above-mentioned technical problem.

First, to achieve the above object, the present invention proposes a kind of face identification method, applied to mobile terminal, the shifting Dynamic terminal, which includes display screen and the multiple ultrasonic transmitters being arranged on below the display screen, methods described, to be included:

The multiple ultrasonic transmitter is controlled to send ultrasonic wave, wherein, the frequency for the ultrasonic wave being simultaneously emitted by is different;

The ultrasonic reflections signal received according to the microphone of the mobile terminal, calculates the thing before the mobile terminal Body surface face each point arrives the distance of the multiple ultrasonic transmitter respectively;

The distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes the three-dimensional mould of object Type;

Judge whether the threedimensional model of the foundation matches with default threedimensional model.

Alternatively, the ultrasonic reflections signal that the microphone according to the mobile terminal receives, calculates the shifting The distance that preterminal body surface each point arrives the multiple ultrasonic transmitter respectively is moved, including:

The time that sends that each ultrasonic transmitter sends ultrasonic wave is recorded, and the microphone receives each ultrasound The reception time of the ultrasonic reflections signal of wave launcher, calculate the reflection interval for the ultrasonic wave that each ultrasonic transmitter is sent Difference;

The reflection interval difference of the ultrasonic wave sent according to each ultrasonic transmitter calculates the object and surpassed to each The distance of pinger.

Alternatively, the multiple ultrasonic transmitter of control sends ultrasonic wave, including:

The multiple ultrasonic transmitter is divided into multigroup ultrasonic transmitter, every group of ultrasonic transmitter include one or The multiple ultrasonic transmitters of person;

Each group of ultrasonic transmitter is controlled to send ultrasonic wave successively, wherein, same group of ultrasonic transmitter sends ultrasound The frequency of ripple differs.

Alternatively, it is described that the multiple ultrasonic transmitter is divided into multigroup ultrasonic transmitter, including:

One group of ultrasonic transmitter will be divided into positioned at the ultrasonic transmitter of same a line or same row.

Alternatively, it is described to control each group of ultrasonic transmitter to send ultrasonic wave successively, including:

One group of ultrasonic transmitter is controlled to send ultrasonic wave every preset time.

Alternatively, before the multiple ultrasonic transmitter of control sends ultrasonic wave, methods described also includes:

One or more default ultrasonic transmitter is controlled to send ultrasonic wave;

Detect whether the microphone receives ultrasonic reflections signal;

The multiple ultrasonic transmitter of control sends ultrasonic wave, including:

If the microphone receives ultrasonic reflections signal, the multiple ultrasonic transmitter is controlled to send ultrasonic wave.

Alternatively, the distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes thing Before the threedimensional model of body, methods described also includes:

The energy of the ultrasonic reflections signal of each ultrasonic transmitter received according to the microphone, it is determined that described The composition structure of object;

The distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes the three of object Dimension module, including:

Arrive the distance of the multiple ultrasonic transmitter and the group of the object respectively according to the body surface each point The threedimensional model of object is established into structure.

Alternatively, methods described also includes:

When the mobile terminal is in talking state, control is launched positioned at one or more ultrasonic wave of predeterminable area Device sends ultrasonic wave;

The ultrasonic reflections signal received according to the microphone of the mobile terminal, judge the default of the mobile terminal It whether there is the object that the distance between described mobile terminal is less than pre-determined distance before region;

If the distance between described mobile terminal before the predeterminable area of the mobile terminal be present is less than pre-determined distance Object, extinguish the display screen of the mobile terminal.

Further, to achieve the above object, the present invention also provides a kind of mobile terminal, and the mobile terminal includes display Screen and the multiple ultrasonic transmitters being arranged on below the display screen, the mobile terminal also include memory, extremely A few processor and it is stored on the memory and can be at least one program of at least one computing device, institute The step in the method described in any of the above-described is realized when stating at least one program by least one computing device.

Further, to achieve the above object, the present invention also provides a kind of computer-readable recording medium, the computer Readable storage medium storing program for executing is stored with the executable at least one program of computer, and at least one program is performed by the computer When the computer is performed the step in the method described in any of the above-described.

Compared to prior art, face identification method proposed by the invention controls the multiple ultrasonic transmitter to send Ultrasonic wave, wherein, the frequency for the ultrasonic wave being simultaneously emitted by is different;The ultrasonic wave received according to the microphone of the mobile terminal Reflected signal, calculate the distance that the body surface each point before the mobile terminal arrives the multiple ultrasonic transmitter respectively;Root The distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes the threedimensional model of object;Described in judgement Whether the threedimensional model of foundation matches with default threedimensional model.So, the face identification method passes through ultrasonic transmitter Face is detected, face is identified in screen mobile terminal comprehensively so as to realize, lifts Consumer's Experience.

Brief description of the drawings

Fig. 1 is a kind of hardware architecture diagram for the mobile terminal for realizing each embodiment of the present invention;

Fig. 2 is a kind of communications network system Organization Chart provided in an embodiment of the present invention;

Fig. 3 is a kind of application environment schematic diagram of face identification method provided in an embodiment of the present invention;

Fig. 4 is the schematic flow sheet of another face identification method provided in an embodiment of the present invention;

Fig. 5 is the schematic flow sheet of another face identification method provided in an embodiment of the present invention;

Fig. 6 is the schematic flow sheet of another face identification method provided in an embodiment of the present invention;

The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.

In follow-up description, the suffix using such as " module ", " part " or " unit " for representing element is only Be advantageous to the explanation of the present invention, itself there is no a specific meaning.Therefore, " module ", " part " or " unit " can mix Ground uses.

Terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as mobile phone, flat board Computer, notebook computer, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable Media player (Portable Media Player, PMP), guider, wearable device, Intelligent bracelet, pedometer etc. move Dynamic terminal, and the fixed terminal such as digital TV, desktop computer.

It will be illustrated in subsequent descriptions by taking mobile terminal as an example, it will be appreciated by those skilled in the art that except special Outside element for moving purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.

Referring to Fig. 1, its hardware architecture diagram for a kind of mobile terminal of each embodiment of the realization present invention, the shifting Dynamic terminal 100 can include:RF (Radio Frequency, radio frequency) unit 101, WiFi module 102, audio output unit 103rd, A/V (audio/video) input block 104, sensor 105, display unit 106, user input unit 107, interface unit 108th, the part such as memory 109, processor 110 and power supply 111.It will be understood by those skilled in the art that shown in Fig. 1 Mobile terminal structure does not form the restriction to mobile terminal, and mobile terminal can be included than illustrating more or less parts, Either combine some parts or different parts arrangement.

The all parts of mobile terminal are specifically introduced with reference to Fig. 1:

Radio frequency unit 101 can be used for receiving and sending messages or communication process in, the reception and transmission of signal, specifically, by base station Downlink information receive after, handled to processor 110;In addition, up data are sent to base station.Generally, radio frequency unit 101 Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrate Frequency unit 101 can also be communicated by radio communication with network and other equipment.Above-mentioned radio communication can use any communication Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division Multiple Access, WCDMA), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division Duplexing-Long Term Evolution, FDD Long Term Evolution) and TDD-LTE (Time Division Duplexing-Long Term Evolution, time division duplex Long Term Evolution) etc..

WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102 Sub- mail, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 1 shows Go out WiFi module 102, but it is understood that, it is simultaneously not belonging to must be configured into for mobile terminal, completely can be according to need To be omitted in the essential scope for do not change invention.

Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100 When under the isotypes such as formula, speech recognition mode, broadcast reception mode, by radio frequency unit 101 or WiFi module 102 it is receiving or It is sound that the voice data stored in memory 109, which is converted into audio signal and exported,.Moreover, audio output unit 103 The audio output related to the specific function that mobile terminal 100 performs can also be provided (for example, call signal receives sound, disappeared Breath receives sound etc.).Audio output unit 103 can include loudspeaker, buzzer etc..

A/V input blocks 104 are used to receive audio or video signal.A/V input blocks 104 can include graphics processor (Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode Or the static images or the view data of video obtained in image capture mode by image capture apparatus (such as camera) are carried out Reason.Picture frame after processing may be displayed on display unit 106.Picture frame after the processing of graphics processor 1041 can be deposited Storage is transmitted in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042 Quiet down sound (voice data), and can be voice data by such acoustic processing.Audio (voice) data after processing can To be converted to the form output that mobile communication base station can be sent to via radio frequency unit 101 in the case of telephone calling model. Microphone 1042 can implement various types of noises and eliminate (or suppression) algorithm to eliminate (or suppression) in reception and send sound Caused noise or interference during frequency signal.

Mobile terminal 100 also includes at least one sensor 105, such as optical sensor, motion sensor and other biographies Sensor.Specifically, optical sensor includes ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to environment The light and shade of light adjusts the brightness of display panel 1061, and proximity transducer can close when mobile terminal 100 is moved in one's ear Display panel 1061 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (general For three axles) size of acceleration, size and the direction of gravity are can detect that when static, the application available for identification mobile phone posture (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.; The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, The other sensors such as hygrometer, thermometer, infrared ray sensor, will not be repeated here.

Display unit 106 is used for the information for showing the information inputted by user or being supplied to user.Display unit 106 can wrap Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, CD), Organic Light Emitting Diode can be used Forms such as (Organic Light-Emitting Diode, OLED) configures display panel 1061.

User input unit 107 can be used for the numeral or character information for receiving input, and produce the use with mobile terminal The key signals input that family is set and function control is relevant.Specifically, user input unit 107 may include contact panel 1071 with And other input equipments 1072.Contact panel 1071, also referred to as touch-screen, collect touch operation of the user on or near it (for example user uses any suitable objects or annex such as finger, stylus on contact panel 1071 or in contact panel 1071 Neighbouring operation), and corresponding attachment means are driven according to formula set in advance.Contact panel 1071 may include touch detection Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band The signal come, transmits a signal to touch controller;Touch controller receives touch information from touch detecting apparatus, and by it Contact coordinate is converted into, then gives processor 110, and the order sent of reception processing device 110 and can be performed.In addition, can To realize contact panel 1071 using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except contact panel 1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap Include but be not limited to physical keyboard, in function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc. One or more, do not limit herein specifically.

Further, contact panel 1071 can cover display panel 1061, detect thereon when contact panel 1071 or After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, contact panel 1071 and display panel 1061 be the part independent as two to realize the input of mobile terminal and output function, but in certain embodiments, can Input and the output function of mobile terminal are realized so that contact panel 1071 and display panel 1061 is integrated, is not done herein specifically Limit.

Interface unit 108 is connected the interface that can pass through as at least one external device (ED) with mobile terminal 100.For example, External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing Line FPDP, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number It is believed that breath, electric power etc.) and at least one element that the input received is transferred in mobile terminal 100 or can use In transmitting data between mobile terminal 100 and external device (ED).

Memory 109 can be used for storage software program and various data.Memory 109 can mainly include storing program area And storage data field, wherein, storing program area can storage program area, application program (such as the sound needed at least one function Sound playing function, image player function etc.) etc.;Storage data field can store according to mobile phone use created data (such as Voice data, phone directory etc.) etc..In addition, memory 109 can include high-speed random access memory, can also include non-easy The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.

Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the whole mobile terminal of connection Individual part, by running or performing the software program and/or module that are stored in memory 109, and call and be stored in storage Data in device 109, the various functions and processing data of mobile terminal are performed, so as to carry out integral monitoring to mobile terminal.Place Reason device 110 may include at least one processing unit;Preferably, processor 110 can integrate application processor and modulation /demodulation processing Device, wherein, application processor mainly handles operating system, user interface and application program etc., and modem processor is mainly located Manage radio communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.

Mobile terminal 100 can also include the power supply 111 (such as battery) to all parts power supply, it is preferred that power supply 111 Can be logically contiguous by power-supply management system and processor 110, so as to realize management charging by power-supply management system, put The function such as electricity and power managed.

Although Fig. 1 is not shown, mobile terminal 100 can also will not be repeated here including bluetooth module etc..

For the ease of understanding the embodiment of the present invention, the communications network system being based on below to the mobile terminal of the present invention enters Row description.

Referring to Fig. 2, Fig. 2 is a kind of communications network system Organization Chart provided in an embodiment of the present invention, the communication network system Unite as the LTE system of universal mobile communications technology, the UE that the LTE system includes communicating connection successively (User Equipment, is used Family equipment) 201, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, evolved UMTS lands Ground wireless access network) 202, EPC (Evolved Packet Core, evolved packet-based core networks) 203 and operator IP operation 204。

Specifically, UE201 can be above-mentioned terminal 100, and here is omitted.

E-UTRAN202 includes eNodeB2021 and other eNodeB2022 etc..Wherein, eNodeB2021 can be by returning Journey (backhaul) (such as X2 interface) is connected with other eNodeB2022, and eNodeB2021 is connected to EPC203, ENodeB2021 can provide UE201 to EPC203 access.

EPC203 can include MME (Mobility Management Entity, mobility management entity) 2031, HSS (Home Subscriber Server, home subscriber server) 2032, other MME2033, SGW (Serving Gate Way, Gateway) 2034, PGW (PDN Gate Way, grouped data network gateway) 2035 and PCRF (Policy and Charging Rules Function, policy and rate functional entity) 2036 etc..Wherein, MME2031 be processing UE201 and The control node of signaling between EPC203, there is provided carrying and connection management.HSS2032 is all to manage for providing some registers Such as the function of attaching position register (not shown) etc, and preserve some and used about service features, data rate etc. The special information in family.All customer data can be transmitted by SGW2034, and PGW2035 can provide UE 201 IP Address is distributed and other functions, and PCRF2036 is strategy and the charging control strategic decision-making of business data flow and IP bearing resources Point, it selects and provided available strategy and charging control decision-making with charge execution function unit (not shown) for strategy.

IP operation 204 can include internet, Intranet, IMS (IP Multimedia Subsystem, IP multimedia System) or other IP operations etc..

Although above-mentioned be described by taking LTE system as an example, those skilled in the art it is to be understood that the present invention not only Suitable for LTE system, be readily applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA with And following new network system etc., do not limit herein.

Based on the above-mentioned hardware configuration of mobile terminal 100 and communications network system, each embodiment of the inventive method is proposed.

In the embodiment of the present invention, the display unit 106 that the mobile terminal 100 includes is display screen.Referring to Fig. 3, Fig. 3 It is a kind of application environment schematic diagram of face identification method provided in an embodiment of the present invention, as shown in figure 3, the mobile terminal 300 include multiple ultrasonic transmitters 301, it is necessary to illustrate, described in the multiple ultrasonic transmitter 301 is arranged on Below the display screen of mobile terminal 300, therefore it is represented by dashed line in figure 3.The multiple ultrasonic transmitter 301 can be Regularly arranged or irregular alignment as shown in Figure 3, the embodiment of the present invention are not especially limited to this.It is the multiple The number of ultrasonic transmitter 301 can be as requested accuracy of identification setting, wherein, the ultrasonic transmitter 301 Number is more, and accuracy of identification is higher.

Refering to Fig. 4, Fig. 4 is a kind of step flow chart of face identification method provided in an embodiment of the present invention, methods described Applied in a mobile terminal, as shown in figure 4, methods described includes:

Step 401, the multiple ultrasonic transmitter of control send ultrasonic wave, wherein, the frequency for the ultrasonic wave being simultaneously emitted by Rate is different.

In the step, methods described controls the multiple ultrasonic transmitter to send ultrasonic wave, wherein, what is be simultaneously emitted by is super The frequency of sound wave is different.In the embodiment of the present invention, methods described can control the multiple ultrasonic transmitter to be simultaneously emitted by surpassing Sound wave, wherein, the frequency for the ultrasonic wave that different ultrasonic transmitters is sent differs.Methods described can also will be the multiple Ultrasonic transmitter is divided into multigroup, and each group of ultrasonic transmitter includes one or more ultrasonic transmitter, methods described Each group of ultrasonic transmitter of one secondary control sends ultrasonic wave, wherein, the ultrasonic frequency that same group of ultrasonic transmitter is sent Differ.

Step 402, the ultrasonic reflections signal received according to the microphone of the mobile terminal, calculate described mobile whole Body surface each point before end arrives the distance of the multiple ultrasonic transmitter respectively.

In the step, ultrasonic reflections signal that methods described receives according to the microphone of the mobile terminal, calculate Body surface each point before the mobile terminal arrives the distance of the multiple ultrasonic transmitter respectively.It is understood that by Differed in the frequency for the ultrasonic wave being simultaneously emitted by, therefore the ultrasonic wave that methods described can receive according to the microphone is anti- Penetrate the different ultrasonic transmitter of the frequency separation of signal.Methods described can record each ultrasonic transmitter and send ultrasonic wave Send the time, and the microphone receives the reception time of the ultrasonic reflections signal of each ultrasonic transmitter, meter Calculate that the reflection interval for the ultrasonic wave that each ultrasonic transmitter is sent is poor, then sent according to each ultrasonic transmitter The reflection interval difference of ultrasonic wave calculates the object to the distance of each ultrasonic transmitter.

The number of the microphone can be one or multiple.It is understood that as of the microphone When number is multiple, methods described can determine that the reception time that microphone receives a ultrasonic reflections signal is the multiple Microphone receives the average of the reception time of the ultrasonic reflections signal.

Step 403, the distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establish object Threedimensional model.

In the step, methods described arrives the distance of the multiple ultrasonic transmitter according to the body surface each point respectively Establish the threedimensional model of object.

Step 404, judge whether the threedimensional model of the foundation matches with default threedimensional model.

In the step, methods described judges whether the threedimensional model of the foundation matches with default threedimensional model, can be with Understand, the default threedimensional model is human face three-dimensional model, if the threedimensional model of the foundation and default three-dimensional mould Type matches, and recognition of face passes through;If on the contrary, the threedimensional model of the foundation mismatches with default threedimensional model, face is known Do not pass through.Methods described may determine that the threedimensional model of the foundation and the similarity of the default threedimensional model, then Judge whether to match according to similarity, such as institute's similarity exceedes default similarity, methods described determines the three-dimensional of the foundation Model matches with default threedimensional model;If on the contrary, the similarity is no more than the default similarity, methods described determines The threedimensional model of the foundation does not match with default threedimensional model.

In the present embodiment, the face identification method controls the multiple ultrasonic transmitter to send ultrasonic wave, wherein, together When the frequency of ultrasonic wave that sends it is different;The ultrasonic reflections signal received according to the microphone of the mobile terminal, calculate Body surface each point before the mobile terminal arrives the distance of the multiple ultrasonic transmitter respectively;According to the body surface The distance that each point arrives the multiple ultrasonic transmitter respectively establishes the threedimensional model of object;Judge the threedimensional model of the foundation Whether matched with default threedimensional model.So, the face identification method detects face by ultrasonic transmitter, so as to Enough realize identifies face in screen mobile terminal comprehensively, lifts Consumer's Experience.

Alternatively, before the multiple ultrasonic transmitter of control sends ultrasonic wave, methods described also includes:

One or more default ultrasonic transmitter is controlled to send ultrasonic wave;

Detect whether the microphone receives ultrasonic reflections signal;

The multiple ultrasonic transmitter of control sends ultrasonic wave, including:

If the microphone receives ultrasonic reflections signal, the multiple ultrasonic transmitter is controlled to send ultrasonic wave.

In the embodiment, before the multiple ultrasonic transmitter of methods described control sends ultrasonic wave, also control is default One or more ultrasonic transmitter send ultrasonic wave, and detect the microphone whether receive ultrasonic reflections letter Number, if the microphone receives ultrasonic reflections signal, illustrate object before the mobile terminal be present, methods described is touched Recognition of face flow is sent out, controls the multiple ultrasonic transmitter to send ultrasonic wave;If on the contrary, the microphone does not receive To ultrasonic reflections signal, then illustrate object is not present before the mobile terminal, methods described does not trigger recognition of face flow. So, methods described only just triggers recognition of face flow, Neng Gouyou when detecting and object being present before the mobile terminal Effect saves the electricity of the mobile terminal.

One or more described default ultrasonic transmitter can be the display screen positioned at the mobile terminal One or more ultrasonic transmitter below center, one or more ultrasonic wave that can also be located at surrounding are launched Device.

Alternatively, the distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes thing Before the threedimensional model of body, methods described also includes:

The energy of the ultrasonic reflections signal of each ultrasonic transmitter received according to the microphone, it is determined that described The composition structure of object;

The distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes the three of object Dimension module, including:

Arrive the distance of the multiple ultrasonic transmitter and the group of the object respectively according to the body surface each point The threedimensional model of object is established into structure.

In the embodiment, methods described receives before the threedimensional model of object is established always according to the microphone The energy of the ultrasonic reflections signal of each ultrasonic transmitter, the composition structure of object is determined, then according to the object table Face each point arrives the distance of the multiple ultrasonic transmitter respectively and the composition structure of the object establishes the three-dimensional mould of object Type.It is understood that the absorption to ultrasonic wave and reflection of different structure are different, such as human muscular tissue and skeleton The absorption to ultrasonic wave and reflection is organized to differ, methods described can receive a ultrasonic transmitter according to microphone Ultrasonic reflections signal energy, determine before the ultrasonic transmitter be organized as which kind of tissue.In such manner, it is possible to effectively carry The precision of high recognition of face.

Alternatively, methods described also includes:

When the mobile terminal is in talking state, control is launched positioned at one or more ultrasonic wave of predeterminable area Device sends ultrasonic wave;

The ultrasonic reflections signal received according to the microphone of the mobile terminal, judge the default of the mobile terminal It whether there is the object that the distance between described mobile terminal is less than pre-determined distance before region;

If the distance between described mobile terminal before the predeterminable area of the mobile terminal be present is less than pre-determined distance Object, extinguish the display screen of the mobile terminal.

In the embodiment, when the mobile terminal is in talking state, methods described control is positioned at the one of predeterminable area Individual or multiple ultrasonic transmitters send ultrasonic wave, and the ultrasonic wave then received according to the microphone of the mobile terminal is anti- Penetrate signal, judge to whether there is before the predeterminable area of the mobile terminal distance between the mobile terminal be less than it is default away from From object, be less than pre-determined distance with the distance between described mobile terminal if existing before the predeterminable area of the mobile terminal Object, extinguish the display screen of the mobile terminal.In the embodiment of the present invention, if one or more of the predeterminable area The object that distance is less than the pre-determined distance, methods described in ultrasonic transmitter before any one ultrasonic transmitter be present Judge the object that the distance between the mobile terminal is less than pre-determined distance before the predeterminable area of the mobile terminal be present.

It is understood that the predeterminable area is the region near the receiver of the mobile terminal, when described mobile whole End is in talking state, and the object that the distance between described mobile terminal is less than pre-determined distance before predeterminable area be present, Illustrating that user is used receiver and received calls, performing false touch operation, institute during in order to avoid receiving calls to the mobile terminal State the display screen that method extinguishes the mobile terminal.

Referring to Fig. 5, Fig. 5 is the schematic flow sheet of another face identification method provided in an embodiment of the present invention, such as Fig. 5 institutes Show, methods described includes:

Step 501, the multiple ultrasonic transmitter of control send ultrasonic wave, wherein, the frequency for the ultrasonic wave being simultaneously emitted by Rate is different.

The step 501 is identical with the step 401 in the embodiment shown in Fig. 4 of the present invention, and here is omitted.

Step 502, the time that sends that each ultrasonic transmitter sends ultrasonic wave is recorded, and the microphone receives The reception time of the ultrasonic reflections signal of each ultrasonic transmitter, calculate the ultrasonic wave that each ultrasonic transmitter is sent Reflection interval is poor.

In the step, methods described records the time that sends that each ultrasonic transmitter sends ultrasonic wave, and the wheat Gram wind receives the reception time of the ultrasonic reflections signal of each ultrasonic transmitter, calculates each ultrasonic transmitter and sends Ultrasonic wave reflection interval it is poor.Specifically, when methods described calculates the reflection for the ultrasonic wave that a ultrasonic transmitter is sent Between poor mode can be that the reception time of the ultrasonic reflections signal of the ultrasonic transmitter is subtracted into the ultrasonic transmitter Send ultrasonic wave sends the time, obtains the reflection interval for the ultrasonic wave that the ultrasonic wave is sent.

It is understood that because the frequency for the ultrasonic wave being simultaneously emitted by differs, therefore methods described can be according to institute State the different ultrasonic transmitter of the frequency separation for the ultrasonic reflections signal that microphone receives.For example, it is assumed that simultaneously Sending the ultrasonic transmitter of ultrasonic wave includes ultrasonic transmitter A, ultrasonic transmitter B, ultrasonic transmitter C and ultrasound Wave launcher D, wherein, the ultrasonic frequency that the ultrasonic transmitter A is sent is first frequency, the ultrasonic transmitter B The ultrasonic frequency sent is second frequency, and the ultrasonic frequency that the ultrasonic transmitter C is sent is the 3rd frequency, described super The ultrasonic frequency that pinger D is sent is the 4th frequency.Methods described can receive the microphone frequency as the What the reception time of the ultrasonic reflections signal of one frequency subtracted that the ultrasonic transmitter A sends ultrasonic wave sends the time, obtains Reflection interval to the ultrasonic transmitter A ultrasonic wave sent is poor, and by that analogy, methods described can calculate according to which The reflection interval for the ultrasonic wave that each ultrasonic transmitter is sent is poor.It is understood that for there is no shelter before some Ultrasonic transmitter, then microphone will not receive the reflected signal for the ultrasonic wave that those ultrasonic transmitters are sent.

Step 503, the reflection interval difference of the ultrasonic wave sent according to each ultrasonic transmitter calculate the object To the distance of each ultrasonic transmitter.

In the step, described in the reflection interval difference calculating for the ultrasonic wave that methods described is sent according to the ultrasonic transmitter Distance of the object to each ultrasonic transmitter.Specifically, methods described can send one ultrasonic transmitter After the reflection interval difference of ultrasonic wave divided by 2, the aerial transmission speed of ultrasonic wave is multiplied by, object is obtained and is sent out to the ultrasonic wave The distance of emitter.

Step 504, the distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establish object Threedimensional model.

Step 505, judge whether the threedimensional model of the foundation matches with default threedimensional model.

The step 504 and step 505 are identical with the step 403 in the embodiment shown in Fig. 4 of the present invention and step 404, Here is omitted.

In the present embodiment, the face identification method controls the multiple ultrasonic transmitter to send ultrasonic wave, wherein, together When the frequency of ultrasonic wave that sends it is different;Record the time that sends that each ultrasonic transmitter sends ultrasonic wave, and the wheat Gram wind receives the reception time of the ultrasonic reflections signal of each ultrasonic transmitter, calculates each ultrasonic transmitter and sends Ultrasonic wave reflection interval it is poor;According to calculating the reflection interval difference for the ultrasonic wave that each ultrasonic transmitter is sent Distance of the object to each ultrasonic transmitter;The multiple ultrasonic transmitter is arrived according to the body surface each point respectively Distance establishes the threedimensional model of object;Judge whether the threedimensional model of the foundation matches with default threedimensional model.So, institute State face identification method and face is detected by ultrasonic transmitter, people is identified in screen mobile terminal comprehensively so as to realize Face, lift Consumer's Experience.

Refering to Fig. 6, Fig. 6 is the step flow chart of another face identification method provided in an embodiment of the present invention, the side Method is applied in a mobile terminal, as shown in fig. 6, methods described includes:

Step 601, the multiple ultrasonic transmitter is divided into multigroup ultrasonic transmitter, every group of ultrasonic transmitter bag Include one or more ultrasonic transmitter.

In the step, the multiple ultrasonic transmitter is grouped by methods described, is divided into multigroup ultrasonic transmitter, Every group of ultrasonic transmitter includes one or more ultrasonic transmitter.For example, methods described can be by positioned at same a line Ultrasonic transmitter is divided into one group of ultrasonic transmitter, can also will be divided into one group of ultrasonic wave positioned at the excusing from death transmitter of same row Transmitter.For the ultrasonic transmitter of irregular alignment, methods described can be regular by the multiple ultrasonic wave according to other Transmitter is grouped.

Step 602, each group of ultrasonic transmitter is controlled to send ultrasonic wave successively, wherein, same group of ultrasonic transmitter The frequency for sending ultrasonic wave differs.

After the multiple ultrasonic transmitter is grouped, methods described controls each group of ultrasonic transmitter successively Ultrasonic wave is sent, wherein, the frequency that same group of ultrasonic transmitter sends ultrasonic wave differs.Specifically, methods described can be with One group of ultrasonic transmitter is controlled to send ultrasonic wave every preset time (such as 0.1ms or 0.2ms).It is understood that Different groups of two ultrasonic transmitters are divided in, the frequency of its ultrasonic wave sent be able to can also be differed, this hair with identical Bright embodiment is not especially limited to this.

Step 603, the ultrasonic reflections signal received according to the microphone of the mobile terminal, calculate described mobile whole Body surface each point before end arrives the distance of the multiple ultrasonic transmitter respectively.

Step 604, the distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establish object Threedimensional model.

Step 605, judge whether the threedimensional model of the foundation matches with default threedimensional model.

The step 603 is identical to step 404 with the step 402 in the embodiment shown in Fig. 4 of the present invention to step 605, Here is omitted.

Alternatively, it is described that the multiple ultrasonic transmitter is divided into multigroup ultrasonic transmitter, including:

One group of ultrasonic transmitter will be divided into positioned at the ultrasonic transmitter of same a line or same row.

In the embodiment, methods described will be divided into one group of ultrasound positioned at the ultrasonic transmitter of same a line or same row Wave launcher.

Alternatively, it is described to control each group of ultrasonic transmitter to send ultrasonic wave successively, including:

One group of ultrasonic transmitter is controlled to send ultrasonic wave every preset time.

In the embodiment, after being grouped to the multiple ultrasonic transmitter, methods described is every preset time control Make one group of ultrasonic transmitter and send ultrasonic wave.

One of ordinary skill in the art will appreciate that all or part of step for realizing above-described embodiment method is can be with Completed by the related hardware of at least one programmed instruction, at least one program can be stored in shifting as shown in Figure 1 In the memory 109 of dynamic terminal 100, and can the processor 110 perform, at least one program is by the processor During 110 execution, following steps are realized:

The multiple ultrasonic transmitter is controlled to send ultrasonic wave, wherein, the frequency for the ultrasonic wave being simultaneously emitted by is different;

The ultrasonic reflections signal received according to the microphone of the mobile terminal, calculates the thing before the mobile terminal Body surface face each point arrives the distance of the multiple ultrasonic transmitter respectively;

The distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes the three-dimensional mould of object Type;

Judge whether the threedimensional model of the foundation matches with default threedimensional model.

Alternatively, the ultrasonic reflections signal that the microphone according to the mobile terminal receives, calculates the shifting The distance that preterminal body surface each point arrives the multiple ultrasonic transmitter respectively is moved, including:

The time that sends that each ultrasonic transmitter sends ultrasonic wave is recorded, and the microphone receives each ultrasound The reception time of the ultrasonic reflections signal of wave launcher, calculate the reflection interval for the ultrasonic wave that each ultrasonic transmitter is sent Difference;

The reflection interval difference of the ultrasonic wave sent according to each ultrasonic transmitter calculates the object and surpassed to each The distance of pinger.

Alternatively, the multiple ultrasonic transmitter of control sends ultrasonic wave, including:

The multiple ultrasonic transmitter is divided into multigroup ultrasonic transmitter, every group of ultrasonic transmitter include one or The multiple ultrasonic transmitters of person;

Each group of ultrasonic transmitter is controlled to send ultrasonic wave successively, wherein, same group of ultrasonic transmitter sends ultrasound The frequency of ripple differs.

Alternatively, it is described that the multiple ultrasonic transmitter is divided into multigroup ultrasonic transmitter, including:

One group of ultrasonic transmitter will be divided into positioned at the ultrasonic transmitter of same a line or same row.

Alternatively, it is described to control each group of ultrasonic transmitter to send ultrasonic wave successively, including:

One group of ultrasonic transmitter is controlled to send ultrasonic wave every preset time.

Alternatively, before the multiple ultrasonic transmitter of control sends ultrasonic wave, at least one program quilt When the processor 110 performs, following steps can be also realized:

One or more default ultrasonic transmitter is controlled to send ultrasonic wave;

Detect whether the microphone receives ultrasonic reflections signal;

The multiple ultrasonic transmitter of control sends ultrasonic wave, including:

If the microphone receives ultrasonic reflections signal, the multiple ultrasonic transmitter is controlled to send ultrasonic wave.

Alternatively, the distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes thing Before the threedimensional model of body, when at least one program is performed by the processor 110, following steps can be also realized:

The energy of the ultrasonic reflections signal of each ultrasonic transmitter received according to the microphone, it is determined that described The composition structure of object;

The distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes the three of object Dimension module, including:

Arrive the distance of the multiple ultrasonic transmitter and the group of the object respectively according to the body surface each point The threedimensional model of object is established into structure.

Alternatively, when at least one program is performed by the processor 110, following steps can also be realized:

When the mobile terminal is in talking state, control is launched positioned at one or more ultrasonic wave of predeterminable area Device sends ultrasonic wave;

The ultrasonic reflections signal received according to the microphone of the mobile terminal, judge the default of the mobile terminal It whether there is the object that the distance between described mobile terminal is less than pre-determined distance before region;

If the distance between described mobile terminal before the predeterminable area of the mobile terminal be present is less than pre-determined distance Object, extinguish the display screen of the mobile terminal.

One of ordinary skill in the art will appreciate that all or part of step for realizing above-described embodiment method is can be with Completed by the related hardware of at least one programmed instruction, at least one program can be stored in one and computer-readable deposit In storage media, when at least one program is performed, following steps are realized:

The multiple ultrasonic transmitter is controlled to send ultrasonic wave, wherein, the frequency for the ultrasonic wave being simultaneously emitted by is different;

The ultrasonic reflections signal received according to the microphone of the mobile terminal, calculates the thing before the mobile terminal Body surface face each point arrives the distance of the multiple ultrasonic transmitter respectively;

The distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes the three-dimensional mould of object Type;

Judge whether the threedimensional model of the foundation matches with default threedimensional model.

Alternatively, the ultrasonic reflections signal that the microphone according to the mobile terminal receives, calculates the shifting The distance that preterminal body surface each point arrives the multiple ultrasonic transmitter respectively is moved, including:

The time that sends that each ultrasonic transmitter sends ultrasonic wave is recorded, and the microphone receives each ultrasound The reception time of the ultrasonic reflections signal of wave launcher, calculate the reflection interval for the ultrasonic wave that each ultrasonic transmitter is sent Difference;

The reflection interval difference of the ultrasonic wave sent according to each ultrasonic transmitter calculates the object and surpassed to each The distance of pinger.

Alternatively, the multiple ultrasonic transmitter of control sends ultrasonic wave, including:

The multiple ultrasonic transmitter is divided into multigroup ultrasonic transmitter, every group of ultrasonic transmitter include one or The multiple ultrasonic transmitters of person;

Each group of ultrasonic transmitter is controlled to send ultrasonic wave successively, wherein, same group of ultrasonic transmitter sends ultrasound The frequency of ripple differs.

Alternatively, it is described that the multiple ultrasonic transmitter is divided into multigroup ultrasonic transmitter, including:

One group of ultrasonic transmitter will be divided into positioned at the ultrasonic transmitter of same a line or same row.

Alternatively, it is described to control each group of ultrasonic transmitter to send ultrasonic wave successively, including:

One group of ultrasonic transmitter is controlled to send ultrasonic wave every preset time.

Alternatively, before the multiple ultrasonic transmitter of control sends ultrasonic wave, at least one program quilt During execution, following steps can be also realized:

One or more default ultrasonic transmitter is controlled to send ultrasonic wave;

Detect whether the microphone receives ultrasonic reflections signal;

The multiple ultrasonic transmitter of control sends ultrasonic wave, including:

If the microphone receives ultrasonic reflections signal, the multiple ultrasonic transmitter is controlled to send ultrasonic wave.

Alternatively, the distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes thing Before the threedimensional model of body, when at least one program is performed, following steps can be also realized:

The energy of the ultrasonic reflections signal of each ultrasonic transmitter received according to the microphone, it is determined that described The composition structure of object;

The distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes the three of object Dimension module, including:

Arrive the distance of the multiple ultrasonic transmitter and the group of the object respectively according to the body surface each point The threedimensional model of object is established into structure.

Alternatively, when at least one program is performed, following steps can also be realized:

When the mobile terminal is in talking state, control is launched positioned at one or more ultrasonic wave of predeterminable area Device sends ultrasonic wave;

The ultrasonic reflections signal received according to the microphone of the mobile terminal, judge the default of the mobile terminal It whether there is the object that the distance between described mobile terminal is less than pre-determined distance before region;

If the distance between described mobile terminal before the predeterminable area of the mobile terminal be present is less than pre-determined distance Object, extinguish the display screen of the mobile terminal.

It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row His property includes, so that process, method, article or device including a series of elements not only include those key elements, and And also include the other element being not expressly set out, or also include for this process, method, article or device institute inherently Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this Other identical element also be present in the process of key element, method, article or device.

The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.

Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium In (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, computer, clothes Be engaged in device, air conditioner, or network equipment etc.) perform method described in each embodiment of the present invention.

The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (10)

  1. A kind of 1. face identification method, applied to mobile terminal, it is characterised in that the mobile terminal include display screen and The multiple ultrasonic transmitters being arranged on below the display screen, methods described include:
    The multiple ultrasonic transmitter is controlled to send ultrasonic wave, wherein, the frequency for the ultrasonic wave being simultaneously emitted by is different;
    The ultrasonic reflections signal received according to the microphone of the mobile terminal, calculates the object table before the mobile terminal Face each point arrives the distance of the multiple ultrasonic transmitter respectively;
    The distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes the threedimensional model of object;
    Judge whether the threedimensional model of the foundation matches with default threedimensional model.
  2. 2. face identification method as claimed in claim 1, it is characterised in that the microphone according to the mobile terminal connects The ultrasonic reflections signal received, calculate the body surface each point before the mobile terminal and arrive the multiple ultrasonic wave transmitting respectively The distance of device, including:
    The time that sends that each ultrasonic transmitter sends ultrasonic wave is recorded, and the microphone receives each ultrasonic wave hair The reception time of the ultrasonic reflections signal of emitter, the reflection interval for calculating the ultrasonic wave that each ultrasonic transmitter is sent are poor;
    The reflection interval difference of the ultrasonic wave sent according to each ultrasonic transmitter calculates the object to each ultrasonic wave The distance of transmitter.
  3. 3. face identification method as claimed in claim 1, it is characterised in that the multiple ultrasonic transmitter hair of control Go out ultrasonic wave, including:
    The multiple ultrasonic transmitter is divided into multigroup ultrasonic transmitter, every group of ultrasonic transmitter is including one or more Individual ultrasonic transmitter;
    Each group of ultrasonic transmitter is controlled to send ultrasonic wave successively, wherein, same group of ultrasonic transmitter sends ultrasonic wave Frequency differs.
  4. 4. face identification method as claimed in claim 3, it is characterised in that described to be divided into the multiple ultrasonic transmitter Multigroup ultrasonic transmitter, including:
    One group of ultrasonic transmitter will be divided into positioned at the ultrasonic transmitter of same a line or same row.
  5. 5. face identification method as claimed in claim 3, it is characterised in that described to control each group of ultrasonic transmitter successively Ultrasonic wave is sent, including:
    One group of ultrasonic transmitter is controlled to send ultrasonic wave every preset time.
  6. 6. face identification method as claimed in claim 1, it is characterised in that the multiple ultrasonic transmitter hair of control Go out before ultrasonic wave, methods described also includes:
    One or more default ultrasonic transmitter is controlled to send ultrasonic wave;
    Detect whether the microphone receives ultrasonic reflections signal;
    The multiple ultrasonic transmitter of control sends ultrasonic wave, including:
    If the microphone receives ultrasonic reflections signal, the multiple ultrasonic transmitter is controlled to send ultrasonic wave.
  7. 7. face identification method as claimed in claim 1, it is characterised in that described to be arrived respectively according to the body surface each point The distance of the multiple ultrasonic transmitter is established before the threedimensional model of object, and methods described also includes:
    The energy of the ultrasonic reflections signal of each ultrasonic transmitter received according to the microphone, determines the object Composition structure;
    The distance for arriving the multiple ultrasonic transmitter respectively according to the body surface each point establishes the three-dimensional mould of object Type, including:
    Arrive the distance of the multiple ultrasonic transmitter and the composition knot of the object respectively according to the body surface each point The threedimensional model of the vertical object of structure.
  8. 8. face identification method as claimed in claim 1, it is characterised in that methods described also includes:
    When the mobile terminal is in talking state, control is sent out positioned at one or more ultrasonic transmitter of predeterminable area Go out ultrasonic wave;
    The ultrasonic reflections signal received according to the microphone of the mobile terminal, judge the predeterminable area of the mobile terminal It above whether there is the object that the distance between described mobile terminal is less than pre-determined distance;
    If the thing that the distance between described mobile terminal is less than pre-determined distance before the predeterminable area of the mobile terminal be present Body, extinguish the display screen of the mobile terminal.
  9. 9. a kind of mobile terminal, it is characterised in that the mobile terminal includes display screen and is arranged on the display screen Multiple ultrasonic transmitters of lower section, the mobile terminal also include memory, at least one processor and are stored in described deposit And can be at least one program of at least one computing device on reservoir, at least one program is by described at least one The step in the method described in any one of the claims 1~8 is realized during individual computing device.
  10. 10. a kind of computer-readable recording medium, the computer-readable recording medium storage has computer executable at least One program, it is characterised in that at least one program makes the computer perform above-mentioned power when being performed by the computer Profit requires the step in the method described in 1~8 any one.
CN201711020200.3A 2017-10-27 2017-10-27 A kind of face identification method, mobile terminal and computer-readable recording medium CN107844763A (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711020200.3A CN107844763A (en) 2017-10-27 2017-10-27 A kind of face identification method, mobile terminal and computer-readable recording medium

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108537032A (en) * 2018-04-19 2018-09-14 湖南德熠智能科技有限公司 A kind of face identification method
CN108594942A (en) * 2018-04-25 2018-09-28 维沃移动通信有限公司 A kind of personal identification method and mobile terminal
CN108615001A (en) * 2018-04-19 2018-10-02 湖南德熠智能科技有限公司 Applied to the face identification method on mobile terminal
CN109672774A (en) * 2018-04-12 2019-04-23 李芝宏 The encryption of handheld mobile device osteoacusis bone line and unlocking system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109672774A (en) * 2018-04-12 2019-04-23 李芝宏 The encryption of handheld mobile device osteoacusis bone line and unlocking system and method
CN108537032A (en) * 2018-04-19 2018-09-14 湖南德熠智能科技有限公司 A kind of face identification method
CN108615001A (en) * 2018-04-19 2018-10-02 湖南德熠智能科技有限公司 Applied to the face identification method on mobile terminal
CN108594942A (en) * 2018-04-25 2018-09-28 维沃移动通信有限公司 A kind of personal identification method and mobile terminal

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