CN110263522A - Face identification method, terminal and computer readable storage medium - Google Patents
Face identification method, terminal and computer readable storage medium Download PDFInfo
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- CN110263522A CN110263522A CN201910557117.2A CN201910557117A CN110263522A CN 110263522 A CN110263522 A CN 110263522A CN 201910557117 A CN201910557117 A CN 201910557117A CN 110263522 A CN110263522 A CN 110263522A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
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Abstract
The embodiment of the invention discloses a kind of face identification methods, are applied to terminal, which comprises control camera obtains the image of the first preset quantity frame with the first frame per second；Judge whether unlock success using the image of the first preset quantity frame；If unsuccessful, the image that the camera obtains the second preset quantity frame with the second frame per second is controlled；Image based on the second preset quantity frame carries out recognition of face.The present invention also provides a kind of terminal and computer readable storage mediums, by implementing above scheme, so that carrying out in face recognition process in terminal, effectively reduce camera hardware loss and processor image procossing burden.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of face identification methods, terminal and computer-readable storage
Medium.
Background technique
Recognition of face basic scheme is essentially camera with certain frequency acquisition image at present, then passes through recognition of face journey
Sequence is unlocked, if unlocked in 5 seconds successfully, can close camera quickly；If failed always, camera is closed if after 5 seconds.
Not exceeding 10 times against correct recognition of face number in most cases just can unlock success.But in current whole process
Camera is all made of same frame per second (such as 30 frames/second) acquisition image process matching unlock, needs to match altogether 150 times or so, this
Sample can greatly increase the power consumption of hardware (camera) and CPU.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of face identification method, terminal and computer storage medium, so that eventually
The consumption of hardware and processor resource is reduced during carrying out recognition of face in end.
To solve the above problems, being applied to terminal the present invention provides a kind of face identification method, which comprises
Control the image that camera obtains the first preset quantity frame with the first frame per second；Judge be using the image of the first preset quantity frame
It is no to unlock successfully；If unsuccessful, the image that the camera obtains the second preset quantity frame with the second frame per second is controlled；Based on described
The image of second preset quantity frame carries out recognition of face.
Optionally, it is also wrapped before the step of control camera obtains the image of the first preset quantity frame with the first frame per second
It includes: judging whether the terminal is in the lock state；If so, starting the camera.
Optionally, it is also wrapped after the step of control camera obtains the image of the first preset quantity frame with the first frame per second
Include: the recognition of face program in the terminal is unlocked using the image of the first preset quantity frame.
Optionally, the recognition of face program in the terminal is unlocked using the image of the first preset quantity frame
Step specifically includes: the recognition of face program is loaded into the image of the first preset quantity frame, and by first present count
The image of amount frame is compared with pre-stored standard picture.
Optionally, the judgement is specifically wrapped using whether the image of the first preset quantity frame unlocks successful step
It includes: judging whether system enters user's main interface；If so, judgement using the first preset quantity frame image unlock at
Function.
Optionally, second frame per second is less than first frame per second.
Optionally, the camera further includes unlock deadline, and the unlock deadline terminates the people for forcing
Face identification.
Optionally, the image based on the second preset quantity frame carries out recognition of face further include: described in acquisition
When the time of first preset quantity frame image and the time for obtaining the second preset quantity frame image are more than that the unlock ends
Between, then terminate the recognition of face.
Further, the present invention also provides a kind of terminal, the terminals further include: memory, communication bus and processing
Device, in which: the memory, for storing recognition of face program；The communication bus, for realizing processor and memory it
Between connection communication；The processor, for executing the recognition of face program stored in memory, to realize step as described above
Suddenly.
Further, the present invention also provides a kind of computer readable storage medium, the computer readable storage mediums
It is stored with one or more program, one or more of programs can be executed by one or more processor, to realize
The step of described in any item face identification methods as above.
By implementation above scheme, the efficiency of recognition of face can both ensure that with terminal when carrying out recognition of face,
Decrease the consumption of terminal camera hardware and processor process resource.
Detailed description of the invention
In attached drawing (it is not necessarily drawn to scale), similar appended drawing reference can describe phase in different views
As component.Similar reference numerals with different letter suffix can indicate the different examples of similar component.Attached drawing with example and
Unrestricted mode generally shows each embodiment discussed herein.
A kind of hardware structural diagram of Fig. 1 terminal of each embodiment to realize the present invention；
Fig. 2 is a kind of communications network system architecture diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of flow diagram of face identification method of the present invention；
Fig. 4 is a kind of module diagram of terminal of the present invention；
Fig. 5 is that a kind of terminal of the present invention forms structural schematic diagram.
Specific 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 subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
Be conducive to explanation of the invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
Terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as mobile phone, plate
Computer, laptop, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable
Media player (Portable Media Player, PMP), navigation device, terminal, Intelligent bracelet, pedometer etc. are mobile eventually
End, and the fixed terminals such as number TV, desktop computer.
It will be illustrated by taking terminal as an example in subsequent descriptions, it will be appreciated by those skilled in the art that in addition to being used in particular for
Except the element of mobile purpose, the construction of embodiment according to the present invention can also apply to the terminal of fixed type.
Referring to Fig. 1, a kind of hardware structural diagram of its terminal of each embodiment to realize the present invention, the terminal
100 may include: radio frequency unit (Radio Frequency, RF) 101, WiFi module 102, audio output unit 103, A/V
(audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, storage
The components such as device 109, processor 110 and power supply 111.It will be understood by those skilled in the art that mobile terminal shown in Fig. 1
Structure does not constitute the restriction to mobile terminal, and terminal may include components more more or fewer than diagram, or combine certain
Component or different component layouts.
It is specifically introduced below with reference to all parts of the Fig. 1 to terminal 100:
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal sends and receivees, specifically, by base station
Downlink information receive after, to processor 110 handle；In addition, the data of uplink are sent to base station.In general, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrating
Frequency unit 101 can also be communicated with network and other equipment by wireless communication.Any communication can be used in above-mentioned wireless communication
Standard or agreement, including but not limited to global system for mobile communications (Global System of Mobile
Communication, GSM), general packet radio service (General Packet Radio Service, GPRS), code it is point more
Location 2000 (Code Division Multiple Access 2000, CDMA2000), wideband code division multiple access (Wideband
Code Division Multiple Access, WCDMA), TD SDMA (Time Division-
Synchronous Code Division Multiple Access, TD-SCDMA), frequency division duplex long term evolution
(Frequency Division Duplexing-Long Term Evolution, FDD-LTE) and time division duplex long term evolution
(Time Division Duplexing-Long Term Evolution, TDD-LTE) 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, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 1 shows
Go out WiFi module 102, but it is understood that, and it is not belonging to must be configured into for mobile terminal, it completely can be according to need
It to omit within the scope of not changing the essence of the invention.
Audio output unit 103 can be in call signal reception pattern, call mode, logging mode, language in terminal 100
It is radio frequency unit 101 or WiFi module 102 is received or depositing when under the isotypes such as sound recognition mode, broadcast reception mode
The audio data stored in reservoir 109 is converted into audio signal and exports to be sound.Moreover, audio output unit 103 may be used also
To provide audio output relevant to the specific function that terminal 100 executes (for example, call signal receives sound, message sink sound
Sound etc.).Audio output unit 103 may include loudspeaker, buzzer etc..
A/V input unit 104 is for receiving audio or video signal.A/V input unit 104 may include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is sent 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 (audio data), and can be audio data by such acoustic processing.Audio that treated (voice) data can
To be converted to the format output that can be sent to mobile communication base station via radio frequency unit 101 in the case where telephone calling model.
Microphone 1042 can be implemented various types of noises elimination (or inhibition) algorithms and send and receive sound to eliminate (or inhibition)
The noise generated during frequency signal or interference.
Terminal 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light
Light and shade adjusts the brightness of display panel 1061, and proximity sensor can close display panel when terminal 100 is moved in one's ear
1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generally three axis) and add
The size of speed can detect that size and the direction of gravity when static, can be used to identify application (such as the horizontal/vertical screen of mobile phone posture
Switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Also as mobile phone
Configurable fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, hygrometer, temperature
The other sensors such as meter, infrared sensor, details are not described herein.
Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061.
User input unit 107 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 107 may include touch panel 1071 with
And other input equipments 1072.Touch panel 1071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 1071 or in touch panel 1071
Neighbouring operation), and corresponding attachment device is driven according to preset formula.Touch 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
It is converted into contact coordinate, then gives processor 110, and order that processor 110 is sent can be received and executed.In addition, can
To realize touch panel 1071 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap
It includes but is not limited in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc.
It is one or more, specifically herein without limitation.
Further, touch panel 1071 can cover display panel 1061, when touch panel 1071 detect on it 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, touch panel 1071 and display panel
1061 be the function that outputs and inputs of realizing mobile terminal as two independent components, but in certain embodiments, it can
The function that outputs and inputs of terminal is realized so that touch panel 1071 and display panel 1061 is integrated, is not limited herein specifically
It is fixed.
Interface unit 108 be used as at least one external device (ED) connect with terminal 100 can by interface.For example, external
Device may include wired or wireless headphone port, external power supply (or battery charger) port, wired or wireless number
According to port, memory card port, port, the port audio input/output (I/O), view for connecting the device with identification module
The port frequency I/O, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, data are believed
Breath, electric power etc.) and by one or more elements that the input received is transferred in terminal 100 or can be used at end
Data are transmitted between end 100 and external device (ED).
Memory 109 can be used for storing software program and various data.Memory 109 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, it 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 entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 109, and calls and is stored in storage
Data in device 109 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Terminal 100 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply 111 can be with
It is logically contiguous by power-supply management system and processor 110, thus by power-supply management system realize management charging, electric discharge, with
And the functions such as power managed.
Although Fig. 1 is not shown, terminal 100 can also be including bluetooth module etc., and details are not described herein.
Embodiment to facilitate the understanding of the present invention, the communications network system being based below to terminal of the invention are retouched
It states.
Referring to Fig. 2, Fig. 2 is a kind of communications network system architecture diagram provided in an embodiment of the present invention, the communication network system
System is the LTE system of universal mobile communications technology, which includes the user equipment (User of successively communication connection
Equipment, UE) 201, evolved UMTS Terrestrial radio access network (Evolved UMTS Terrestrial Radio
Access Network, E-UTRAN) 202, evolved packet-based core networks (Evolved Packet Core, EPC) 203 and operation
The IP operation 204 of quotient.
Generally, UE201 can be above-mentioned terminal 100, and details are not described herein again.
E-UTRAN202 includes eNodeB2021 and other eNodeB2022 etc..Wherein, eNodeB2021 can be by returning
Journey (backhaul) (such as X2 interface) is connect with other eNodeB2022, and eNodeB2021 is connected to EPC203,
ENodeB2021 can provide the access of UE201 to EPC203.
EPC203 may include mobility management entity (Mobility Management Entity, MME) 2031, ownership
Client server (Home Subscriber Server, HSS) 2032, other MME2033, SGW (Serving Gate Way,
Gateway) 2034, PGW (PDN Gate Way, grouped data network gateway) 2035 and policy and rate functional entity
(Policy and Charging Rules Function, PCRF) 2036 etc..Wherein, MME2031 be processing UE201 and
The control node of signaling, provides carrying and connection management between EPC203.HSS2032 is all to manage for providing some registers
Such as the function of home location register (not shown) etc, and preserves some related service features, data rates etc. and use
The dedicated information in family.All customer data can be sent by SGW2034, and PGW2035 can provide the IP of UE 201
Address distribution and other functions, PCRF2036 are strategy and the charging control strategic decision-making of business data flow and IP bearing resource
Point, it selects and provides available strategy and charging control decision with charge execution function unit (not shown) for strategy.
IP operation 204 may include internet, Intranet, IP multimedia subsystem (IP Multimedia
Subsystem, IMS) or other IP operations etc..
Although above-mentioned be described by taking LTE system as an example, those skilled in the art should know the present invention is not only
Suitable for LTE system, be readily applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA with
And the following new network system etc., herein without limitation.Based on above-mentioned terminal hardware structure and communications network system, this is proposed
The each embodiment of inventive method.
Fig. 3 is the flow diagram of face identification method of the embodiment of the present invention, is applied to terminal.It is understood that this
Flow chart in embodiment of the method, which is not used in, is defined the sequence for executing step.
As shown in figure 3, the described method comprises the following steps:
Step S300 controls the image that camera obtains the first preset quantity frame with the first frame per second.
In the present embodiment, terminal carries out recognition of face, is generally both needed to obtain certain amount by the camera in terminal
Basis of the facial image as recognition of face, therefore before control camera obtains facial image, it is also necessary to whether judge terminal
It is in the lock state, if terminal at this time is in the unlocked state, just will not actively transfer the camera of terminal at this time
Module is started.Certainly, terminal will start camera to obtain respective image and do if being in the lock state at this time
Prepare.In the present embodiment, the first frame per second is preferably 30 frames/second, and the first preset quantity frame is preferably 30 frames.Further
, after control camera obtains the image of the first preset quantity frame, the recognition of face program in terminal will also utilize acquisition
The image of first preset quantity frame is unlocked, specifically, recognition of face program after the image for being loaded into the first number of frames, can incite somebody to action
The image of first number of frames match comparing with pre-stored standard picture, if matched result is more than certain threshold value,
Then judge to unlock successfully, wherein so-called standard picture is the pre-stored facial image of user.
Step S302 judges whether unlock success using the image of the first preset quantity frame.
In embodiments of the present invention, whether the judgement is unlocked successfully using the image of the first preset quantity frame
Step specifically includes: judging whether system enters user's main interface；If so, figure of the judgement using the first preset quantity frame
As unlocking successfully.Such as the system of terminal enters the main interface of system, such as system main screen, illustrate at this time terminal unlocking at
Function.
Step S304 controls the image that the camera obtains the second preset quantity frame with the second frame per second if unsuccessful.
In embodiments of the present invention, the second frame per second is less than the first frame per second, such as 30 frames/second when the first frame per second, that second
Frame per second can choose as 15 frames/second, and certainly, they may be specifically set according to specific situations for the numerical value of the first frame per second and the second frame per second,
As long as guaranteeing the second frame per second less than the first frame per second.Wherein the first preset quantity frame is 30 frames, then the second preset quantity frame
It can be 45 frames.
Step S306, the image based on the second preset quantity frame carry out recognition of face.
In the present embodiment, the system is additionally provided with unlock deadline, wherein the unlock deadline is used for
Force terminate recognition of face, such as unlock deadline be 5 seconds, then unlock it is for 5 seconds after, no matter unlock success or not, tie
Beam face recognition process.
It in the present embodiment, then can be according to unlock once the first frame per second, the second frame per second, the first preset quantity determine
Force time determines the second preset quantity frame, for example the first frame per second is 30 frames/second, and the second frame per second is 15 frames/second, the first present count
Amount frame is 30 frames, and unlock deadline is 5 seconds, then 60 frame of the second preset quantity frame, in this way, obtaining relative to constant first frame per second
For taking image, total frame number is then reduced to 90 frames by 150 frames, that is, reduces the work times of camera and the figure of processor
As processing load.Based on above-mentioned analysis, once whole process, that is, the time and second for obtaining the first preset quantity frame image preset
The time of number of frames image has been more than unlock deadline, then terminates above-mentioned recognition of face.
By implementing above-mentioned face identification method, so that terminal can reach face during carrying out recognition of face
The effect of identification, moreover it is possible to effectively reduce the loss of camera and the processing load of processor.
Fig. 4 is a kind of module diagram of terminal of the present invention.The terminal includes the first control module 400, judgment module
402, the second control module 404, unlocked state 406, memory 408 and processor 410, above procedure module is with program code
Be stored in memory 408 actually, and executed by processor 410, the step of to realize above-described embodiment or method.
First control module 400 is used to control the image that camera obtains the first preset quantity frame with the first frame per second.
In the present embodiment, terminal carries out recognition of face, is generally both needed to obtain certain amount by the camera in terminal
Basis of the facial image as recognition of face, therefore before control camera obtains facial image, it is also necessary to whether judge terminal
It is in the lock state, if terminal at this time is in the unlocked state, just will not actively transfer the camera of terminal at this time
Module is started.Certainly, terminal will start camera to obtain respective image and do if being in the lock state at this time
Prepare.In the present embodiment, the first frame per second is preferably 30 frames/second, and the first preset quantity frame is preferably 30 frames.Further
, after control camera obtains the image of the first preset quantity frame, the recognition of face program in terminal will also utilize acquisition
The image of first preset quantity frame is unlocked, specifically, recognition of face program after the image for being loaded into the first number of frames, can incite somebody to action
The image of first number of frames match comparing with pre-stored standard picture, if matched result is more than certain threshold value,
Then judge to unlock successfully, wherein so-called standard picture is the pre-stored facial image of user.
Judgment module 402 is for judging whether unlock success using the image of the first preset quantity frame.
In embodiments of the present invention, whether the judgement is unlocked successfully using the image of the first preset quantity frame
Step specifically includes: judging whether system enters user's main interface；If so, figure of the judgement using the first preset quantity frame
As unlocking successfully.Such as the system of terminal enters the main interface of system, such as system main screen, illustrate at this time terminal unlocking at
Function.
Second control module 404 is used for when unlocking unsuccessful, then controls the camera with the second frame per second and obtain second in advance
If the image of number of frames.
In embodiments of the present invention, the second frame per second is less than the first frame per second, such as 30 frames/second when the first frame per second, that second
Frame per second can choose as 15 frames/second, and certainly, they may be specifically set according to specific situations for the numerical value of the first frame per second and the second frame per second,
As long as guaranteeing the second frame per second less than the first frame per second.Wherein the first preset quantity frame is 30 frames, then the second preset quantity frame
It can be 45 frames.
Unlocked state 406 carries out recognition of face for the image based on the second preset quantity frame.
In the present embodiment, the system is additionally provided with unlock deadline, wherein the unlock deadline is used for
Force terminate recognition of face, such as unlock deadline be 5 seconds, then unlock it is for 5 seconds after, no matter unlock success or not, tie
Beam face recognition process.
It in the present embodiment, then can be according to unlock once the first frame per second, the second frame per second, the first preset quantity determine
Force time determines the second preset quantity frame, for example the first frame per second is 30 frames/second, and the second frame per second is 15 frames/second, the first present count
Amount frame is 30 frames, and unlock deadline is 5 seconds, then 60 frame of the second preset quantity frame, in this way, obtaining relative to constant first frame per second
For taking image, total frame number is then reduced to 90 frames by 150 frames, that is, reduces the work times of camera and the figure of processor
As processing load.Based on above-mentioned analysis, once whole process, that is, the time and second for obtaining the first preset quantity frame image preset
The time of number of frames image has been more than unlock deadline, then terminates above-mentioned recognition of face.
By implementing above-mentioned face identification method, so that terminal can reach face during carrying out recognition of face
The effect of identification, moreover it is possible to effectively reduce the loss of camera and the processing load of processor.
Fig. 5 is the composed structure schematic diagram of terminal of the present invention.As shown in figure 5, the terminal includes at least: memory 501,
Communication bus 502 and processor 503.Wherein:
The memory 501, for storing recognition of face program；
The communication bus 502, for realizing the connection communication between processor and memory；
The processor 503, for executing the recognition of face program stored in memory, to perform the steps of
Control the image that camera obtains the first preset quantity frame with the first frame per second.
In the present embodiment, terminal carries out recognition of face, is generally both needed to obtain certain amount by the camera in terminal
Basis of the facial image as recognition of face, therefore before control camera obtains facial image, it is also necessary to whether judge terminal
It is in the lock state, if terminal at this time is in the unlocked state, just will not actively transfer the camera of terminal at this time
Module is started.Certainly, terminal will start camera to obtain respective image and do if being in the lock state at this time
Prepare.In the present embodiment, the first frame per second is preferably 30 frames/second, and the first preset quantity frame is preferably 30 frames.Further
, after control camera obtains the image of the first preset quantity frame, the recognition of face program in terminal will also utilize acquisition
The image of first preset quantity frame is unlocked, specifically, recognition of face program after the image for being loaded into the first number of frames, can incite somebody to action
The image of first number of frames match comparing with pre-stored standard picture, if matched result is more than certain threshold value,
Then judge to unlock successfully, wherein so-called standard picture is the pre-stored facial image of user.
Judge whether unlock success using the image of the first preset quantity frame.
In embodiments of the present invention, whether the judgement is unlocked successfully using the image of the first preset quantity frame
Step specifically includes: judging whether system enters user's main interface；If so, figure of the judgement using the first preset quantity frame
As unlocking successfully.Such as the system of terminal enters the main interface of system, such as system main screen, illustrate at this time terminal unlocking at
Function.
If unsuccessful, the image that the camera obtains the second preset quantity frame with the second frame per second is controlled.
In embodiments of the present invention, the second frame per second is less than the first frame per second, such as 30 frames/second when the first frame per second, that second
Frame per second can choose as 15 frames/second, and certainly, they may be specifically set according to specific situations for the numerical value of the first frame per second and the second frame per second,
As long as guaranteeing the second frame per second less than the first frame per second.Wherein the first preset quantity frame is 30 frames, then the second preset quantity frame
It can be 45 frames.
Image based on the second preset quantity frame carries out recognition of face.
In the present embodiment, the system is additionally provided with unlock deadline, wherein the unlock deadline is used for
Force terminate recognition of face, such as unlock deadline be 5 seconds, then unlock it is for 5 seconds after, no matter unlock success or not, tie
Beam face recognition process.
It in the present embodiment, then can be according to unlock once the first frame per second, the second frame per second, the first preset quantity determine
Force time determines the second preset quantity frame, for example the first frame per second is 30 frames/second, and the second frame per second is 15 frames/second, the first present count
Amount frame is 30 frames, and unlock deadline is 5 seconds, then 60 frame of the second preset quantity frame, in this way, obtaining relative to constant first frame per second
For taking image, total frame number is then reduced to 90 frames by 150 frames, that is, reduces the work times of camera and the figure of processor
As processing load.Based on above-mentioned analysis, once whole process, that is, the time and second for obtaining the first preset quantity frame image preset
The time of number of frames image has been more than unlock deadline, then terminates above-mentioned recognition of face.
By implementing above-mentioned face identification method, so that terminal can reach face during carrying out recognition of face
The effect of identification, moreover it is possible to effectively reduce the loss of camera and the processing load of processor.
The present invention also provides a kind of computer readable storage mediums.Face is stored on the computer readable storage medium
Recognizer, the recognition of face program realize step as described above when being executed by processor.
It should be noted that the description of the above terminal embodiment, be with the description of above method embodiment it is similar, have
The similar beneficial effect with embodiment of the method.For undisclosed technical detail in terminal embodiment of the present invention, this hair is please referred to
The description of bright embodiment of the method and understand.
It should be noted that in the embodiment of the present invention, if realizing that above-mentioned face is known in the form of software function module
Other method, and when sold or used as an independent product, it also can store in a computer readable storage medium.Base
In such understanding, substantially the part that contributes to existing technology can be in other words for the technical solution of the embodiment of the present invention
The form of software product embodies, which is stored in a storage medium, including some instructions to
So that a calculating equipment (can be personal computer, server or network equipment etc.) executes each embodiment of the present invention
The all or part of the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read Only
Memory, ROM), the various media that can store program code such as magnetic or disk.In this way, the embodiment of the present invention does not limit
It is combined in any specific hardware and software.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes
Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of face identification method is applied to terminal, which is characterized in that the described method includes:
Control the image that camera obtains the first preset quantity frame with the first frame per second；
Judge whether unlock success using the image of the first preset quantity frame；
If unsuccessful, the image that the camera obtains the second preset quantity frame with the second frame per second is controlled；
Image based on the second preset quantity frame carries out recognition of face.
2. face identification method as described in claim 1, which is characterized in that the control camera obtains first with the first frame per second
Before the step of image of preset quantity frame further include:
Judge whether the terminal is in the lock state；
If so, starting the camera.
3. face identification method as described in claim 1, which is characterized in that the control camera obtains first with the first frame per second
After the step of image of preset quantity frame further include:
Recognition of face program in the terminal is unlocked using the image of the first preset quantity frame.
4. face identification method as claimed in claim 3, which is characterized in that the recognition of face program in the terminal utilizes institute
It states the step of the image of the first preset quantity frame is unlocked and specifically includes:
The recognition of face program is loaded into the image of the first preset quantity frame, and by the image of the first preset quantity frame
It is compared with pre-stored standard picture.
5. face identification method as described in claim 1, which is characterized in that the judgement utilizes the first preset quantity frame
Image whether unlock successful step and specifically include:
Judge whether system enters user's main interface；
If so, judgement is unlocked successfully using the image of the first preset quantity frame.
6. face identification method as described in claim 1, which is characterized in that second frame per second is less than first frame per second.
7. face identification method as described in claim 1, which is characterized in that the camera further includes unlock deadline, institute
State unlock deadline for force terminate the recognition of face.
8. face identification method as claimed in claim 7, which is characterized in that the figure based on the second preset quantity frame
As carrying out recognition of face further include:
It is more than when the time for obtaining the first preset quantity frame image and the time for obtaining the second preset quantity frame image
The unlock deadline, then terminate the recognition of face.
9. a kind of terminal, which is characterized in that the terminal is at least further include: memory, communication bus and processor, in which:
The memory, for storing recognition of face program；
The communication bus, for realizing the connection communication between processor and memory；
The processor, for executing the recognition of face program stored in memory, to realize as described in claim 1 to 8
The step of face identification method.
10. a kind of computer readable storage medium, it is stored with recognition of face program on the computer readable storage medium, it is described
The step of face identification method as described in claim 1 to 8 is realized when recognition of face program is executed by processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910557117.2A CN110263522A (en) | 2019-06-25 | 2019-06-25 | Face identification method, terminal and computer readable storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910557117.2A CN110263522A (en) | 2019-06-25 | 2019-06-25 | Face identification method, terminal and computer readable storage medium |
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| CN201910557117.2A Pending CN110263522A (en) | 2019-06-25 | 2019-06-25 | Face identification method, terminal and computer readable storage medium |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104380729A (en) * | 2012-07-31 | 2015-02-25 | 英特尔公司 | Context-driven adjustment of camera parameters |
| CN107220620A (en) * | 2017-05-27 | 2017-09-29 | 北京小米移动软件有限公司 | Face identification method and device |
-
2019
- 2019-06-25 CN CN201910557117.2A patent/CN110263522A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104380729A (en) * | 2012-07-31 | 2015-02-25 | 英特尔公司 | Context-driven adjustment of camera parameters |
| CN107220620A (en) * | 2017-05-27 | 2017-09-29 | 北京小米移动软件有限公司 | Face identification method and device |
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