CN108496173A - Electronic equipment and its face recognition method - Google Patents
Electronic equipment and its face recognition method Download PDFInfo
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- CN108496173A CN108496173A CN201880000324.1A CN201880000324A CN108496173A CN 108496173 A CN108496173 A CN 108496173A CN 201880000324 A CN201880000324 A CN 201880000324A CN 108496173 A CN108496173 A CN 108496173A
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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
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
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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
- G06V40/168—Feature extraction; Face representation
- G06V40/171—Local features and components; Facial parts ; Occluding parts, e.g. glasses; Geometrical relationships
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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
- G06V40/172—Classification, e.g. identification
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2141—Access rights, e.g. capability lists, access control lists, access tables, access matrices
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Abstract
This application discloses a kind of electronic equipment and its face recognition method, which includes：S1 judges whether current environment luminous intensity is greater than or equal to predetermined threshold value when electronic equipment needs to carry out face recognition；S2, when current environment luminous intensity is greater than or equal to predetermined threshold value, control electronics carry out front light filling；S3, when current environment luminous intensity is less than predetermined threshold value, the positive imaging sensor of control electronics acquires the face-image of electronic equipment objects in front；S4 matches the face-image acquired with preset face-image template, and whether the identity to determine objects in front is legal.The electronic equipment runs above-mentioned face recognition method.
Description
Technical field
This application involves a kind of electronic equipment and its face recognition methods.
Background technology
With comprehensive screen development trend of smart mobile phone, the positive screen accounting of mobile phone is higher and higher, thus mobile phone front because
For spatial position is limited, other assemblies, such as button, fingerprint recognition module etc. can not be set again.Since fingerprint recognition can not be arranged
Module, in order to realize identification, industry is proposed obtains facial information using the positive front camera of mobile phone, and carries out face
Portion identifies.
But the recognition effect of existing facial recognition techniques also needs to improve.
Apply for content
The application embodiment aims to solve at least one of the technical problems existing in the prior art.For this purpose, the application is real
The mode of applying needs to provide a kind of electronic equipment and its face recognition method.
The application provides the face recognition method of a kind of electronic equipment, includes the following steps：
It is default to judge whether current environment luminous intensity is greater than or equal to when electronic equipment needs to carry out face recognition by S1
Threshold value；
S2, when current environment luminous intensity is greater than or equal to predetermined threshold value, control electronics carry out front light filling；
S3, when current environment luminous intensity is less than predetermined threshold value, the positive imaging sensor of control electronics, acquisition electricity
The face-image of sub- equipment objects in front；
S4 matches the face-image acquired with preset face-image template, to determine the body of objects in front
Whether part is legal.
In the application embodiment, when needing to carry out face recognition, if object is under backlight environment, electronics is controlled
Equipment carries out light filling, so that electronic equipment can collect clearly face-image, improves face recognition effect, promotes user
Experience.
In some embodiments, the predetermined threshold value is that object is in the light intensity critical value under backlight environment.
In some embodiments, the acquisition of light filling and step S3 septum reset images is carried out at the same time in the step S2.
In some embodiments, in the step S2：When current environment luminous intensity is greater than or equal to predetermined threshold value,
The positive light compensating apparatus of control electronics is opened, to carry out front light filling.
In some embodiments, when the positive light compensating apparatus of control electronics is opened, light filling dress is further adjusted
One or several parameters in brightness, colour temperature and the color set.
In some embodiments, the positive light compensating apparatus of the electronic equipment is located at electronic equipment front top.
In some embodiments, further comprise before the step S1：Judge the current working status of electronic equipment；
According to the current working status of electronic equipment, it is determined whether need to carry out face recognition.
In some embodiments, the current working status of the electronic equipment does not unlock shape including breath screen state, bright screen
State, bright screen unlocked state；The current working status according to electronic equipment, it is determined whether need to carry out face recognition packet
It includes：
When electronic equipment is in breath screen state, screen wake operation is judged whether there is；When determination has screen wake operation
When, it determines and needs to carry out face recognition；
When electronic equipment is in the non-unlocked state of bright screen, determines and need to carry out face recognition；
When electronic equipment is in bright screen unlocked state, the authentication currently initiated with the presence or absence of application program is judged
If request determines there are authentication request and needs to carry out face recognition.
In some embodiments, the screen wake operation includes：The display picked up electronic equipment, touch electronic equipment
Screen, object are close to one or more of electronic equipment front preset range, pressing electronic functionalities button.
The application embodiment provides a kind of electronic equipment, including imaging sensor, light compensating apparatus, ambient light sensing
Device and processor；The processor is used for：When electronic equipment needs to carry out face recognition, the ambient light sensing is judged
Whether the collected current environment luminous intensity of device is greater than or equal to predetermined threshold value；It is preset when current environment luminous intensity is greater than or equal to
When threshold value, controls the light compensating apparatus and carry out front light filling；When current environment luminous intensity is less than predetermined threshold value, the figure is controlled
As sensor acquires the face-image of electronic equipment objects in front；By the collected face-image of institute and preset face-image mould
Plate is matched, and whether the identity to determine objects in front is legal.
In the application embodiment, when needing to carry out face recognition, if object is under backlight environment, electricity is controlled
Sub- equipment carries out light filling, so that electronic equipment can collect clearly face-image, improves face recognition effect, is promoted and used
It experiences at family.
In some embodiments, the predetermined threshold value is that object is in the light intensity critical value under backlight environment.
In some embodiments, the processor is further used for：When current environment luminous intensity is less than predetermined threshold value,
Directly control the face-image of described image sensor acquisition electronic equipment objects in front.
In some embodiments, described image sensor is located at the positive top of the electronic equipment.
In some embodiments, the light compensating apparatus is located at electronic equipment front top.
In some embodiments, the light compensating apparatus is flexible light.
In some embodiments, when controlling the light compensating apparatus unlatching, brightness, the color of light compensating apparatus are further adjusted
One or several parameters in mild color.
In some embodiments, when current environment luminous intensity is greater than or equal to predetermined threshold value, the processor control
The light compensating apparatus is worked at the same time with described image sensor.
In some embodiments, the processor is further used for：The current working status for judging electronic equipment, according to
The current working status of electronic equipment, it is determined whether need to carry out face recognition.
In some embodiments, the current working status of the electronic equipment does not unlock shape including breath screen state, bright screen
State, bright screen unlocked state；The processor is further used for：
When electronic equipment is in breath screen state, screen wake operation is judged whether there is；When judgement has screen wake operation
When, it determines and needs to carry out face recognition；
When electronic equipment is in the non-unlocked state of bright screen, determines and need to carry out face recognition；
When electronic equipment is in bright screen unlocked state, the authentication currently initiated with the presence or absence of application program is judged
If request determines there are authentication request and needs to carry out face recognition.
In some embodiments, the screen wake operation includes：The display picked up electronic equipment, touch electronic equipment
Screen, object are close to one or more of electronic equipment front preset range, pressing electronic functionalities button.
The additional aspect and advantage of the application embodiment will be set forth in part in the description, partly will be from following
Become apparent in description, or recognize by the practice of the application embodiment.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the application embodiment retouch embodiment from conjunction with following accompanying drawings
It will be apparent and be readily appreciated that in stating, wherein：
Fig. 1 is the flow diagram of the face recognition method of the application first embodiment；
Fig. 2 is the flow diagram of the face recognition method of the application second embodiment；
Fig. 3 is the high-level schematic functional block diagram of the mobile terminal of one embodiment of the application.
Specific implementation mode
Presently filed embodiment is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the application, and should not be understood as the limitation to the application.
In the description of the present application, it is to be understood that term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indicating or implies relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more feature.In the description of the present application
In, the meaning of " plurality " is two or more, unless otherwise specifically defined." contact " or " touch " includes direct
Contact or mediate contact.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be to be electrically connected or can be in communication with each other to be mechanical connection；It can be directly connected, it can also be by between intermediary
It connects connected, can be the interaction relationship of the connection or two elements inside two elements.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the application.In order to
Simplify disclosure herein, hereinafter to the component of specific examples and being set for describing.Certainly, they are merely examples, and
And purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, this application provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Further, described feature, structure can be incorporated in one or more embodiment party in any suitable manner
In formula.In the following description, many details are provided to fully understand presently filed embodiment to provide.So
And one of ordinary skill in the art would recognize that, without one or more in the specific detail, or using other structures,
Constituent element etc. can also put into practice the technical solution of the application.In other cases, it is not shown in detail or describes known features or behaviour
Make to avoid fuzzy the application.
Face recognition method refers to the facial information of object being acquired by camera, and by collected facial information and note
The face template of volume is matched, and successful match then determines that the identity of object is legal, and it fails to match then determines that the identity of object is non-
Method.
Here object is for example including human body or other organisms.Facial information is for example schemed including 2D image informations or 3D
As information.When carrying out face recognition based on 2D image informations, it can be realized using existing camera, need not additionally be arranged and take the photograph
As device.However, when the object is in backlight environment, the collected face-image of the camera it is second-rate, to shadow
Face recognition effect is rung, such as longer identification process is needed because collected face-image is relatively fuzzy, or even cannot achieve
Face recognition.In this way, it is poor to also cause user experience.
Fig. 1 is please referred to, Fig. 1 is the flow diagram of the face recognition method of the application first embodiment.The face is known
Other method includes the following steps：
It is default to judge whether current environment luminous intensity is greater than or equal to when electronic equipment needs to carry out face recognition by S1
Threshold value；When judging to learn that current environment luminous intensity is greater than or equal to predetermined threshold value, step S2 is executed, works as front ring when judging to learn
When border luminous intensity is less than predetermined threshold value, step S3 is executed；
The face recognition method runs on an electronic equipment.The electronic equipment for example but be not limited to consumer electronics production
The electronic product of the suitable types such as product, household formula electronic product, vehicular electronic product, financial terminal product.Wherein, consumer
Electronic product is such as mobile phone, tablet computer, laptop, tabletop display, computer all-in-one machine.Household formula electronic product is such as
For intelligent door lock, TV, refrigerator, Wearable etc..Vehicular electronic product is such as automatic navigator, vehicle-carrying DVD.Finance
End product is such as ATM machine, the terminal of self-service transacting business.
Electronic equipment front is equipped with corresponding sensing equipment, such as ambient light sensor, for electronic equipment need into
When row face recognition, the intensity of illumination of the ambient enviroment of electronic equipment is acquired.When the ambient enviroment of electronic equipment is brighter, acquisition
The intensity of illumination arrived is then relatively strong；When the ambient enviroment of electronic equipment is dark, collected intensity of illumination is then weaker.Certainly, should
The intensity of illumination of the ambient enviroment of electronic equipment can also use other sensing equipments to be acquired, such as electronic equipment front
The camera of setting.
In the embodiment of the present application, by predetermined threshold value to determine whether carrying out the front light filling of electronic equipment, the default threshold
Value is that object is in the light intensity critical value under backlight environment.Here backlight environment refers to the case where object is back to when light source, this
When the reflected optical signal of object face it is very weak, the collected optical signal of imaging sensor is nearly all the light that light source is sent out
Signal, therefore clearly face-image can not be collected, to which face recognition can not be passed through.It should be noted that clearly face
Portion's image refers to face-image when can accurately realize face recognition.Specifically, if ambient light intensity is less than the predetermined threshold value,
Indicate that electronic equipment can collect clearly face-image under the present circumstances, to realize face recognition；If ambient light intensity is big
In or equal to predetermined threshold value, then it represents that electronic equipment can not collect clearly face-image under the present circumstances, cause face
Recognition failures.
S2, when current environment luminous intensity is greater than or equal to predetermined threshold value, control electronics carry out front light filling；
When collecting current environment luminous intensity, and when the current environment luminous intensity is greater than or equal to predetermined threshold value, control electricity
Sub- equipment carries out front light filling, so that enough optical signals expose on object, and then collects clearly face figure
Picture, to realize face recognition.
S3, when current environment luminous intensity is less than predetermined threshold value, the positive imaging sensor of control electronics, acquisition electricity
The face-image of sub- equipment objects in front；
The positive imaging sensor of electronic equipment is, for example, CCD, cmos image sensor, utilizes existing electronic equipment front
The acquisition of the face-image of objects in front can be realized in the front camera of setting.
S4 matches the face-image acquired with preset face-image template, to determine the body of objects in front
Whether part is legal.
Before the use, user needs to carry out facial information registration electronic equipment, forms face template, and store, with
The matching of 2D images when for face recognition.Images match is first carried from 2D images for example, by using the mode of facial feature extraction
Take corresponding facial characteristics, such as eyes, nose, eyebrow, lip, lower jaw etc., then by the facial characteristics extracted with
Corresponding facial characteristics in 2D image templates is compared, the successful match if comparing unanimously, confirms that the identity of objects in front is closed
Method；It fails to match if comparison is inconsistent, confirms that the identity of objects in front is illegal.
In the application embodiment, when needing to carry out face recognition, if object is under backlight environment, electronics is controlled
Equipment carries out light filling, so that electronic equipment can collect clearly face-image, improves face recognition effect, promotes user
Experience.
In some embodiments, above-mentioned steps S2 and step S3 will be carried out at the same time, i.e., control electronics carry out front
While light filling, the positive imaging sensor of control electronics carries out the acquisition of face-image.It should be noted that saying here
While, it is not required that temporal strict conformance, it is possibility to have temporal sequencing.Only time phase difference is shorter, base
Originally it can be ignored, sensuously the two to people is to be carried out at the same time.
In some embodiments, step S2 further comprises：When current environment luminous intensity is greater than or equal to predetermined threshold value
When, the positive light compensating apparatus of control electronics is opened.Further, it is opened in the positive light compensating apparatus of control electronics
Meanwhile also adjusting one or several parameters in brightness, colour temperature or the color of light compensating apparatus.
In some embodiments, the positive light compensating apparatus of above-mentioned electronic equipment is located at electronic equipment front top, such as
Soft light.
Further, light compensating apparatus is for example including multiple LED or other light-emitting components.And the brightness of the light-emitting component,
Color and colour temperature can be controlled as needed.In present embodiment, by the brightness, color and the colour temperature that control LED
In one or several parameters so that the optical signal that light compensating apparatus is sent out is softer, to when carrying out facial image acquisition,
User is unlikely to feel too dazzling, and the user experience is improved.It is understood that the specific value of aforementioned parameters does not limit,
It can flexibly be chosen according to actual use situation.
Further, with reference to Fig. 2, Fig. 2 is the flow diagram of the face recognition method of the application second embodiment.It should
In the face recognition method of electronic equipment, further include before above-mentioned steps S1：
Step S5 judges the current working status of electronic equipment；
Current working status divides according to the dispaly state of display screen, for example, including breath screen state, the non-unlocked state of bright screen,
Bright screen three kinds of unlocked state.Wherein breath screen state refer to display screen it is non-lit up and be in OFF state.Bright screen does not unlock shape
State refers to that display screen is lit, but shows the non-unlock interface of screen display.Under the state, electronic equipment is not unlocked, Wu Fajin
Enter the operation page of electronic equipment.Unlocked state refers to that display screen is lit, and is shown accordingly according to specific operation to bright screen
Interface.Electronic equipment is unlocked under the state, and the electronic equipment can be used normally in user.
Step S6, according to the current working status of electronic equipment, it is determined whether need to carry out face recognition.
Specifically, when electronic equipment is in breath screen state, user may use the electronic equipment at any time, therefore be
Can quick response user operation, certain sensors on the electronic equipment are still within working condition, to monitor electronics
The service condition of equipment judges whether screen wake operation.For example, touch sensor, gravity sensor, range sensor
Etc..Screen wake operation includes picking up electronic equipment, the display screen for touching electronic equipment, object to preset model close to equipment front
One or more of the function button for enclosing, pressing electronic equipment.It is understood that the screen wake operation of the electronic equipment
It can be arranged according to the needs of users and flexibly.
By taking touch sensor as an example, in the application embodiment, when electronic equipment is in breath screen state, control electronics is set
Standby touch sensor executes touch detection, to touch action (such as common touch operation, pressing operation, the cunning on display screen
Dynamic operation) it is detected and responds.When electronic equipment is in breath screen state, which will be with the first scan frequency
(power consumption state) carries out touch detection.When detecting object touch display screen, it is determined that need to carry out face recognition.Work as electricity
Sub- equipment be in the non-unlocked state of bright screen or bright screen unlocked state when, touch sensor is again with the second scan frequency (compared with Gao Gong
Consumption state or normal power consumption state) touch detection is carried out, to reduce power consumption when electronic equipment ceases screen state.Wherein first sweeps
It retouches frequency and is less than the second scan frequency.Certainly, ground is changed, which can also be carried out with normal power consumption state always
Touch detection.
When electronic equipment is in the non-unlocked state of bright screen, user may be set at any time using the electronics in this case
It is standby, it is thus determined that needing to carry out face recognition, and enter step S1.
When electronic equipment is in bright screen unlocked state, then further to judge currently to whether there is application program to behaviour
Make the authentication request of system initiation, such as payment application initiates the authentication request for mobile payment.If depositing
In authentication request, it is determined that need to carry out face recognition, and enter step S1, otherwise electronic equipment is normally grasped
Make.
In some embodiments, further comprise after above-mentioned steps S4：After face is identified as work(, the electricity is controlled
Sub- equipment is operated accordingly.Such as control electronics unlock, progress payment transaction operation etc..
Accordingly, one embodiment of the application proposes a kind of executing the electronic equipment of the method for the above embodiment.
The electronic equipment is by taking mobile terminal as an example, and with reference to Fig. 3, Fig. 3 is that the function module of the mobile terminal of one embodiment of the application is shown
It is intended to.The mobile terminal 100 include imaging sensor 101, light compensating apparatus 102, ambient light sensor 103 and processor 104,
Memory 105.Ambient light sensor 103 is set to 100 front of mobile terminal, for acquiring 100 ambient enviroment of mobile terminal
Intensity of illumination.Imaging sensor 101 is set to 100 front of mobile terminal, the face for acquiring 100 objects in front of mobile terminal
Image.Light compensating apparatus 102 when 100 ambient enviroment of mobile terminal is dark for carrying out light filling, in order to imaging sensor 101
Image Acquisition.Processor 104 is used for, when mobile terminal 100 needs to carry out face recognition, whether judging current environment luminous intensity
More than or equal to predetermined threshold value；When current environment luminous intensity is greater than or equal to predetermined threshold value, control mobile terminal 100 carries out just
Face light filling；When current environment luminous intensity is less than predetermined threshold value, 100 positive imaging sensor of mobile terminal is controlled, acquisition moves
The face-image of 100 objects in front of dynamic terminal；The face-image acquired is matched with preset face-image template, with
Determine whether the identity of objects in front is legal.
It should be noted that in some embodiments, can combine or omit one or more modular constructions, such as locate
Reason device 104 is integrated into control chip etc. with memory 105.In addition, the mobile terminal 100 may include not combining or not wrapping
Include the other component (for example, telecommunication circuit, power supply, bus, microphone, camera etc.) in component shown in fig. 3.And
And for sake of simplicity, the section components of mobile terminal are illustrated only in Fig. 3.
Specifically, imaging sensor 101 is set to 100 front of mobile terminal, for example, CCD, cmos image sensor.It should
Imaging sensor 101 need not be additionally arranged, such as when 100 front setting front camera of existing mobile terminal, then can profit
The acquisition of face-image is carried out with the front camera.It is of course also possible to according to the figure of the corresponding acquisition parameters of shooting demand setting
As sensor, it is exclusively used in carrying out the acquisition of face-image when face recognition.
Any processing circuit that processor 104 is used to be arranged including the operation of mobile terminal 100 and performance in order to control.It should
Processor 104 be used to run operating system, app applications, media play application or any other application software, and by
For the interactive operation etc. between processing and user.The processor 104 is, for example, the control that each processing circuit integrates
IC, or it includes that the processor cluster of circuit is managed everywhere in distribution setting to be, such as 100 each yuan of centralized control mobile terminal
The central processor CPU of component, for the image processor GPU of graphics process in mobile terminal 100.It is, of course, also possible to be arranged
Other application specific processors, for example, the coprocessor of the testing result of each sensor for monitoring mobile terminal 100, for moving
The baseband processor of the communication of terminal 100, the face recognition processing device etc. that face recognition is carried out for mobile terminal 100.
Memory 105 for example including one or more computer storage medias, the storage medium include hard disk, floppy disk,
The storage unit or their arbitrary combination of Flash, ROM, RAM and any other suitable type.Memory 105 is used for
Store any program's code file, such as operating system, application software and function module etc. called for processor 104
Deng.The memory 105 is additionally operable to the processing data and handling result that storage processor 104 is handled, such as using data, user
Operation information, information-setting by user, multi-medium data etc..It is understood that the memory 105 can be separately provided,
It can be integrated with processor 104.
Further, the computer storage media in the memory 105 is stored with multiple program's code files, for processing
Device 104 calls, to execute the solution lock control method of the above embodiment description, to realize that mobile terminal 100 ceases screen state
Under solution lock control.
In the application embodiment, when needing to carry out face recognition, if object is under backlight environment, movement is controlled
Terminal 100 carries out light filling, so that mobile terminal 100 can collect clearly face-image, improves face recognition effect, carries
Rise user experience.
In some embodiments, which is located at the positive top of mobile terminal 100, such as soft light.Light filling
Device 102 is for example including multiple LED or other light-emitting components.And the light fillings such as brightness, color and colour temperature of the light-emitting component
Parameter can be controlled as needed.In present embodiment, one in brightness, color and colour temperature by controlling LED
Or several light filling parameters, the optical signal that light compensating apparatus is sent out will be made softer, to when carrying out facial image acquisition, use
Family is unlikely to feel too dazzling, and the user experience is improved.Such as processor 104 is used for：When controlling the unlatching of light compensating apparatus 102,
Further one or several parameters in the brightness of adjustment light compensating apparatus 102, colour temperature and color.
Further, above-mentioned processor 104 is additionally operable to：The current working status for judging mobile terminal 100, according to mobile whole
The current working status at end 100, it is determined whether need to carry out face recognition.
Current working status divides according to the dispaly state of display screen, for example, including breath screen state, the non-unlocked state of bright screen,
Bright screen three kinds of unlocked state.Wherein breath screen state refer to display screen it is non-lit up and be in OFF state.Bright screen does not unlock shape
State refers to that display screen is lit, but shows the non-unlock interface of screen display.Under the state, mobile terminal 100 is not unlocked, can not
Into the homepage of mobile terminal 100.Unlocked state refers to that display screen is lit, and shows phase according to specific operation to bright screen
The interface answered.Mobile terminal 100 is unlocked under the state, and the mobile terminal 100 can be used normally in user.
Specifically, when mobile terminal 100 is in breath screen state, user may use the mobile terminal 100 at any time,
Therefore in order to the operation of quick response user, certain sensors on the mobile terminal 100 are still within working condition, with
The service condition for monitoring mobile terminal 100, judges whether screen wake operation.For example, touch sensor, gravity sensitive
Device, range sensor etc..Screen wake operation includes display screen, the object picked up mobile terminal 100, touch mobile terminal 100
Body is close to equipment front preset range, the one or more for the function button for pressing mobile terminal 100.It is understood that should
The screen wake operation of mobile terminal 100 can be arranged according to the needs of users and flexibly.
By taking the touch sensor 108 being arranged on mobile terminal 100 as an example, in the application embodiment, in mobile terminal 100
When in breath screen state, the touch sensor 108 of control mobile terminal 100 executes touch detection, to the touch on touch-surface
Action (such as common touch operation, pressing operation, slide) is detected and responds.Shield when mobile terminal 100 is in breath
When state, which will carry out touch detection with the first scan frequency (power consumption state).When detecting object
Touch the touch-surface, it is determined that need to carry out face recognition.When mobile terminal 100 has been in the non-unlocked state of bright screen or bright screen
When unlocked state, touch sensor 108 is touched with the second scan frequency (higher power consumption state or normal power consumption state) again
Detection, to reduce power consumption when mobile terminal 100 ceases screen state.Wherein the first scan frequency is less than the second scan frequency.When
So, ground is changed, which can also carry out touch detection with normal power consumption state always.
When mobile terminal 100 is in the non-unlocked state of bright screen, user may use the movement at any time in this case
Terminal 100, it is thus determined that needing to carry out face recognition.
When mobile terminal 100 is in bright screen unlocked state, then further to judge currently to whether there is application program
The authentication request initiated to operating system, such as payment application initiate the authentication request for mobile payment.
If there are authentication requests, it is determined that need to carry out face recognition, otherwise mobile terminal 100 is normally operated.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the application.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Although presently filed embodiment has been shown and described above, it is to be understood that the above embodiment is
Illustratively, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be right
The above embodiment is changed, changes, replacing and modification.
Claims (19)
1. the face recognition method of a kind of electronic equipment, includes the following steps：
S1 judges whether current environment luminous intensity is greater than or equal to predetermined threshold value when electronic equipment needs to carry out face recognition；
S2, when current environment luminous intensity is greater than or equal to predetermined threshold value, control electronics carry out front light filling；
S3, when current environment luminous intensity is less than predetermined threshold value, the positive imaging sensor of control electronics, acquisition electronics is set
The face-image of standby objects in front；
S4 matches the face-image acquired with preset face-image template, to determine that the identity of objects in front is
It is no legal.
2. the face recognition method of electronic equipment as described in claim 1, it is characterised in that：The predetermined threshold value is at object
Light intensity critical value under backlight environment.
3. face recognition method as described in claim 1, it is characterised in that：Light filling and step S3 septum resets in the step S2
The acquisition of image is carried out at the same time.
4. face recognition method as described in claim 1, it is characterised in that：In the step S2：When current environment light intensity
When degree is greater than or equal to predetermined threshold value, the positive light compensating apparatus of control electronics is opened, to carry out front light filling.
5. face recognition method as claimed in claim 4, it is characterised in that：When the positive light compensating apparatus of control electronics is opened
Qi Shi further adjusts one or several parameters in brightness, colour temperature and the color of light compensating apparatus.
6. face recognition method as claimed in claim 4, it is characterised in that：The positive light compensating apparatus of electronic equipment is located at
Electronic equipment front top.
7. the face recognition method as described in any one of claim 1-6, it is characterised in that：The advance one of the step S1
Step includes：Judge the current working status of electronic equipment；According to the current working status of electronic equipment, it is determined whether need to carry out
Face recognition.
8. face recognition method as claimed in claim 7, it is characterised in that：The current working status of the electronic equipment includes
Cease screen state, the non-unlocked state of bright screen, bright screen unlocked state；The current working status according to electronic equipment, determination are
It is no need carry out face recognition include：
When electronic equipment is in breath screen state, screen wake operation is judged whether there is；When determination has screen wake operation, really
Surely it needs to carry out face recognition；
When electronic equipment is in the non-unlocked state of bright screen, determines and need to carry out face recognition；
When electronic equipment is in bright screen unlocked state, judge that the authentication currently initiated with the presence or absence of application program is asked
It asks, if there are authentication request, determines and need to carry out face recognition.
9. face recognition method as claimed in claim 8, it is characterised in that：The screen wake operation includes：Pick up electronics
Equipment, the display screen for touching electronic equipment, object are in electronic equipment front preset range, pressing electronic functionalities button
One or more.
10. a kind of electronic equipment, including imaging sensor, light compensating apparatus, ambient light sensor and processor；The processing
Device is used for：When electronic equipment needs to carry out face recognition, the collected current environment light intensity of the ambient light sensor is judged
Whether degree is greater than or equal to predetermined threshold value；When current environment luminous intensity is greater than or equal to predetermined threshold value, the light filling dress is controlled
It sets and carries out front light filling；When current environment luminous intensity is less than predetermined threshold value, control described image sensor acquires electronic equipment
The face-image of objects in front；The collected face-image of institute is matched with preset face-image template, before determination
Whether the identity of square object body is legal.
11. electronic equipment as claimed in claim 10, it is characterised in that：The predetermined threshold value is that object is under backlight environment
Light intensity critical value.
12. electronic equipment as claimed in claim 10, it is characterised in that：Described image sensor is located at the electronic equipment
Positive top.
13. electronic equipment as claimed in claim 10, it is characterised in that：The light compensating apparatus is located at electronic equipment front top
End.
14. electronic equipment as claimed in claim 13, it is characterised in that：The light compensating apparatus is flexible light.
15. electronic equipment as claimed in claim 10, it is characterised in that：When controlling the light compensating apparatus unlatching, further
Adjust one or several parameters in brightness, colour temperature and the color of light compensating apparatus.
16. electronic equipment as claimed in claim 10, it is characterised in that：When current environment luminous intensity is greater than or equal to default threshold
When value, the processor controls the light compensating apparatus and is worked at the same time with described image sensor.
17. the electronic equipment as described in any one of claim 10-16, it is characterised in that：The processor is further used
In：The current working status for judging electronic equipment, according to the current working status of electronic equipment, it is determined whether need to carry out face
Identification.
18. electronic equipment as claimed in claim 17, it is characterised in that：The current working status of the electronic equipment includes breath
Screen state, the non-unlocked state of bright screen, bright screen unlocked state；The processor is further used for：
When electronic equipment is in breath screen state, screen wake operation is judged whether there is；When judging to have screen wake operation, really
Surely it needs to carry out face recognition；
When electronic equipment is in the non-unlocked state of bright screen, determines and need to carry out face recognition；
When electronic equipment is in bright screen unlocked state, judge that the authentication currently initiated with the presence or absence of application program is asked
It asks, if there are authentication request, determines and need to carry out face recognition.
19. electronic equipment as claimed in claim 18, it is characterised in that：The screen wake operation includes：Electronics is picked up to set
Standby, touch electronic equipment display screen, object are in electronic equipment front preset range, pressing electronic functionalities button
It is one or more of.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/082894 WO2019196075A1 (en) | 2018-04-12 | 2018-04-12 | Electronic device and facial recognition method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108496173A true CN108496173A (en) | 2018-09-04 |
Family
ID=63343498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880000324.1A Pending CN108496173A (en) | 2018-04-12 | 2018-04-12 | Electronic equipment and its face recognition method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108496173A (en) |
| WO (1) | WO2019196075A1 (en) |
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Also Published As
| Publication number | Publication date |
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| WO2019196075A1 (en) | 2019-10-17 |
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