CN110209245A - Face identification method and Related product - Google Patents
Face identification method and Related product Download PDFInfo
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- CN110209245A CN110209245A CN201910523363.6A CN201910523363A CN110209245A CN 110209245 A CN110209245 A CN 110209245A CN 201910523363 A CN201910523363 A CN 201910523363A CN 110209245 A CN110209245 A CN 110209245A
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- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
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- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
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Abstract
The embodiment of the present application discloses a kind of face identification method and Related product, applied to electronic equipment, electronic equipment includes image acquisition device and display screen, image acquisition device is set to below display screen, it is in and is put out under screen state in display screen, the polaroid in display screen is adjusted to first state, the first facial image of target object is obtained by image acquisition device, first facial image is matched with default face template, obtain the first matching value, if the first matching value is more than preset matching threshold value, determine recognition of face success, so, it can be in the state that display screen be in and puts out screen, recognition of face is carried out using the image acquisition device below display screen, to, electronic equipment service life can be extended, and, reduce the power consumption generated when lifting camera lifting.
Description
Technical field
This application involves field of face identification, and in particular to a kind of face identification method and Related product.
Background technique
With a large amount of popularization and applications of electronic equipment (such as: mobile phone, tablet computer), the application that electronic equipment can be supported
More and more, function is stronger and stronger, and electronic equipment develops towards diversification, personalized direction, becomes in user's life not
The appliance and electronic that can lack.
Currently, some electronic equipments carry out recognition of face using the camera module of lifting structure, when needing to carry out face
When identification, first camera can be gone up and down, camera is then turned on and carries out recognition of face.But when the camera shooting of lifting structure
When head mould group access times are more, camera is frequently gone up and down, and will affect the service life of electronic equipment.
Summary of the invention
The embodiment of the present application provides a kind of face identification method and Related product, can extend electronic equipment service life,
And reduce the power consumption generated when lifting camera lifting.
In a first aspect, the embodiment of the present application provides a kind of face identification method, the electronic equipment includes Image Acquisition
Device and display screen, described image collector are set to below the display screen, which comprises
In the case where the display screen is in and puts out screen state, polaroid in the display screen is adjusted to first state, described the
One state is the state that described image collector receives environment light through the display screen；
The first facial image of target object is obtained by described image collector；
First facial image is matched with default face template, obtains the first matching value, if described first
It is more than preset matching threshold value with value, determines recognition of face success.
Second aspect, the embodiment of the present application provide a kind of face identification device, and the electronic equipment includes Image Acquisition
Device and display screen, described image collector are set to below the display screen, and the face identification device includes:
Adjustment unit, in the case where the display screen is in and puts out screen state, adjusting polaroid in the display screen to the
One state, the first state are the state that described image collector receives environment light through the display screen；
Acquiring unit, for obtaining the first facial image of target object by described image collector；
Matching unit obtains the first matching value for matching first facial image with default face template,
If first matching value is more than preset matching threshold value, recognition of face success is determined.
The third aspect, the embodiment of the present application provide a kind of electronic equipment, comprising: image acquisition device, camera, camera
Go up and down mould group, processor, memory and communication interface；And one or more programs, one or more of programs are stored
In the memory, it and is configured to be executed by the processor, described program includes for such as the embodiment of the present application the
The instruction of step some or all of described in one side.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, wherein described computer-readable
Storage medium is for storing computer program, wherein the computer program executes computer such as the embodiment of the present application the
The instruction of step some or all of described in one side.
5th aspect, the embodiment of the present application provide a kind of computer program product, wherein the computer program product
Non-transient computer readable storage medium including storing computer program, the computer program are operable to make to calculate
Machine executes the step some or all of as described in the embodiment of the present application first aspect.The computer program product can be one
A software installation packet.
Implement the embodiment of the present application, has the following beneficial effects:
As can be seen that face identification method and Related product described in the embodiment of the present application, are applied to electronic equipment,
Electronic equipment includes image acquisition device and display screen, and image acquisition device is set to below display screen, is in display screen and puts out screen shape
Under state, the polaroid in display screen is adjusted to first state, the first facial image of target object is obtained by image acquisition device,
First facial image is matched with default face template, obtains the first matching value, if the first matching value is more than preset matching
Threshold value determines recognition of face success, in this way, can be adopted in the state that display screen is in and puts out screen using the image below display screen
Storage carries out recognition of face, thus, electronic equipment service life can be extended, and, what reduction lifting camera generated when going up and down
Power consumption.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Figure 1A is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Figure 1B is a kind of flow diagram of face identification method provided by the embodiments of the present application；
Fig. 1 C is that the demonstration of polaroid to the first state in a kind of adjustment display screen provided by the embodiments of the present application is illustrated
Figure；
Fig. 1 D is that the demonstration of polaroid to the second state in a kind of adjustment display screen provided by the embodiments of the present application is illustrated
Figure；
Fig. 1 E is provided by the embodiments of the present application a kind of camera to be adjusted drilling to before the second position from first position
Show schematic diagram；
Fig. 1 F is provided by the embodiments of the present application a kind of camera to be adjusted drilling to the second position from first position
Show schematic diagram；
Fig. 2 is the flow diagram of another face identification method provided by the embodiments of the present application；
Fig. 3 is the flow diagram of another face identification method provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram of another electronic equipment provided by the embodiments of the present application；
Fig. 5 is a kind of structural schematic diagram of face identification device provided by the embodiments of the present application；
Fig. 6 is another structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Electronic equipment involved by the embodiment of the present application may include the various handheld devices with wireless communication function,
Mobile unit, wearable device calculate equipment or are connected to other processing equipments and various forms of radio modem
User equipment (user equipment, UE), mobile station (mobile station, MS), terminal device (terminal
Device) etc..For convenience of description, apparatus mentioned above is referred to as electronic equipment.
It describes in detail below to the embodiment of the present application.
Figure 1A is please referred to, Figure 1A is the structural schematic diagram of a kind of electronic equipment 100 provided by the embodiments of the present application, above-mentioned electricity
Sub- equipment 100 includes: shell 110, the circuit board 120 being set in the shell 110 and is set to aobvious on the shell 110
Display screen 130, image acquisition device 140, camera 150, camera go up and down mould group 160, are provided with processor on the circuit board 120
121 and memory 122, image acquisition device 140, camera 150 connect respectively with the processor 121.Wherein, described image is adopted
Storage 140 is set to 130 lower section of display screen.Above-mentioned image acquisition device 140 can be infrared camera.
Figure 1B is please referred to, Figure 1B is a kind of flow diagram of face identification method provided by the embodiments of the present application, this reality
Face identification method described in example is applied, applied to electronic equipment as shown in Figure 1A, the electronic equipment includes that image is adopted
Storage and display screen, described image collector are set to below the display screen, which includes:
101, in the case where display screen is in and puts out screen state, the polaroid in display screen is adjusted to first state, first shape
State is the state that described image collector receives environment light through the display screen.
In the embodiment of the present application, in the case where display screen is in and puts out screen state, the polaroid in display screen can adjust to the first shape
State, in the first state, environment light can pass through display screen and enter image acquisition device, thus, Image Acquisition can carry out Image Acquisition.
It specifically, include the first polaroid and the second polaroid in display screen, the first polaroid and the second polaroid are arranged in parallel, and first
Polaroid includes the first light transmission shaft, and the second polaroid includes the second light transmission shaft, when the first light transmission shaft is perpendicular to the first light transmission shaft,
Environment light cannot penetrate the first polaroid and the second polaroid, into image acquisition device, as shown in Figure 1 C, can adjust the first polarisation
Piece and/or the second polaroid, make the first light transmission shaft be not orthogonal to the first light transmission shaft, thus, make environment light through the first polaroid
With the second polaroid, into image acquisition device, thus, Image Acquisition can carry out Image Acquisition.
Optionally, it in the embodiment of the present application, can comprise the further steps of:
In the case where the display screen is in bright screen state, polaroid in the display screen is adjusted to the second state, described
Two-state is the state that described image collector does not receive environment light.
Wherein, in the case where display screen is in bright screen state, the polaroid in adjustable display screen is to the second state, second
Under state, environment light cannot enter image acquisition device through display screen, at this point, not carrying out Image Acquisition by image acquisition device.
It specifically, include the first polaroid and the second polaroid in display screen, the first polaroid and the second polaroid are arranged in parallel, and first
Polaroid includes the first light transmission shaft, and the second polaroid includes the second light transmission shaft, when the first light transmission shaft is perpendicular to the first light transmission shaft,
Environment light cannot penetrate the first polaroid and the second polaroid, into image acquisition device, as shown in figure iD, can adjust the first polarisation
Piece and/or the second polaroid, make the first light transmission shaft perpendicular to the first light transmission shaft, thus, prevent environment light from through the first polarisation
Piece and the second polaroid do not carry out Image Acquisition by image acquisition device into image acquisition device.
102, the first facial image of target object is obtained by described image collector.
Wherein, target object refers to the user for carrying out recognition of face.
In the case where putting out screen state, recognition of face is carried out when target object is desired, image acquisition device can be used and obtain target object
The first facial image.
Optionally, environmental sensor can be set on an electronic device, current environmental light brightness is obtained by environmental sensor,
Then the corresponding target of current environmental light brightness is determined according to the corresponding relationship between preset environmental light brightness and acquisition parameter
Acquisition parameter, acquisition parameter may include following at least one: the work function of the frequency acquisition of image acquisition device, image acquisition device
Rate, the operating current of image acquisition device, the operating voltage of image acquisition device, sensitivity etc..
103, first facial image is matched with default face template, obtains the first matching value, if described
One matching value is more than preset matching threshold value, determines recognition of face success.
In the embodiment of the present application, target object can in advance typing preset face template, thus, obtain the first facial image
Afterwards, the first facial image can be matched with default face template.Specifically, the first facial image can be subjected to face characteristic
It extracts, obtains face characteristic, then face characteristic skin detection corresponding with default face template is matched, is obtained
First matching value determines recognition of face success if first matching value is more than preset matching threshold value.
It is put out under screen state as it can be seen that being in by the display screen in electronic equipment, people is carried out by the image acquisition device under screen
Face identification, can frequently go up and down to avoid the camera in electronic equipment and carry out recognition of face, thus, it is standby electronic equipment can be promoted
Time prolongs the service life.
Optionally, in above-mentioned steps 103, first facial image is matched with default face template, it may include
Following steps:
31, feature extraction is carried out to first facial image, obtains feature point set；
32, the characteristic point distribution of first facial image is analyzed；
33, circular image interception is carried out to first facial image according to a not concentric of M, obtains M border circular areas
Image, the M are the integer greater than 3；
34, target circle area image is selected from the M border circular areas image, the border circular areas image is included
Characteristic point quantity be greater than the M border circular areas image in other border circular areas images；
35, the target circle area image is divided to obtain N number of annulus, the ring width of N number of annulus is identical；
36, since N number of annulus the smallest annulus of radius, by N number of annulus successively with the default face
Template carries out Feature Points Matching, and the accumulative matching value for having matched annulus；
37, stop carrying out Feature Points Matching immediately when the first accumulative matching value is greater than preset matching threshold value, and determine
First facial image and the default face template successful match.
Wherein, electronic equipment can carry out feature extraction to the first facial image, obtain feature point set, and analyze the first face
The characteristic point of image is distributed, and is then carried out circular image interception to the first facial image according to a not concentric of M, is obtained M circle
Shape area image selects target circle area image from M border circular areas image, wherein target circle area image is wrapped
The quantity of the characteristic point contained is greater than other border circular areas images in the M border circular areas image；By target circle administrative division map
N number of annulus is obtained as dividing, the ring width of N number of annulus is identical, and N is the integer greater than 2, the smallest annulus of radius from N number of annulus
Start, N number of annulus is successively carried out Feature Points Matching with default face template specifically can be from target circle area image
The center of circle starts, and successively matches from the center of circle to outside to N number of annulus, and the accumulative matching value for having matched annulus, when what is added up
First matching value stops carrying out Feature Points Matching when being greater than preset matching threshold value immediately, it may be determined that recognition of face success.
As it can be seen that by successively being matched to N number of circle ring area, it can be according to the matching knot for having matched annulus in annulus
Fruit flexibly controls subsequent matching operation, when the matching value of the matched circle ring area in front is higher, is matched in N number of annulus
Number of rings is fewer, in this way, can reduce the matched area of face without matching to the whole region of target circle area image
The matched rate of face is improved in domain.
Optionally, the electronic equipment further includes camera and camera lifting mould group, in the embodiment of the present application, may be used also
The following steps are included:
A1, in the case where the polaroid in the display screen is in second state, pass through the camera go up and down mould group will
The camera is adjusted from first position to the second position；
A2, the second facial image is obtained by the camera；
A3, second facial image is matched with the default face template, the second matching value is obtained, if described
Second matching value is more than preset matching threshold value, determines recognition of face success.
Wherein, first position is the position where when camera be in non-shooting state, and the second position is that camera carries out
The location of when shooting.
Wherein, in the case where the display screen of electronic equipment is in bright screen state, the polaroid in display screen is adjusted to the second shape
When state, environment light cannot enter image acquisition device through display screen, at this point, can be gone up and down by camera mould group control camera into
Row lifting, adjusts from first position to the second position, and it is provided by the embodiments of the present application for please referring to Fig. 1 E- Fig. 1 F, Fig. 1 E- Fig. 1 F
It is a kind of to adjust camera to the demonstration schematic diagram of the second position from first position.
Further, camera is being adjusted from first position to the second position, the second people can be being obtained by camera
Face image, and then recognition of face is carried out for the second facial image.
As it can be seen that by respectively in the case where display screen putting out screen and bright screen two states, the image below display screen being respectively adopted and adopts
Storage and lifting camera carry out recognition of face, recognition of face can be carried out to avoid frequent lifting camera, when can extend standby
Between, and, extend the service life of electronic equipment.
Optionally, in above-mentioned steps A2, the second facial image is obtained by the camera, it may include following steps:
A21, the screen intensity parameter for obtaining the display screen, and, obtain ambient brightness parameter；
A22, the first running parameter that the camera is determined according to the screen intensity parameter；
A23, the running parameter adjusted value that the camera is determined according to the ambient brightness parameter；
A24, the second running parameter is determined according to first running parameter and the running parameter adjusted value；
A25, the control camera obtain the second facial image of target object according to second running parameter.
Wherein, the running parameter of camera may include following at least one: aperture size, sensitivity, time for exposure etc..
Wherein, it is contemplated that under bright screen state, the screen intensity and environmental light brightness of display screen can be to the bats of facial image
It takes the photograph effect to have an impact, the running parameter of preset screen intensity parameter and camera therefore, in electronic equipment can be stored in advance
Between the first mapping relations, thus, can determine corresponding with screen intensity parameter the first work after obtaining screen intensity parameter
Make parameter.Electronic equipment can also obtain under multiple ambient brightness parameters in advance, and each ambient brightness parameter corresponds to different multiple
The multiple images quality of the multiple facial images obtained when the running parameter adjusted value of camera, in turn, it may be determined that each environment
The corresponding camera running parameter adjusted value of optimum picture quality, the camera work in the corresponding multiple images quality of luminance parameter
Making parameter adjustment value is the camera running parameter adjusted value under corresponding ambient brightness parameter, thus, it may be determined that it is multiple and different
Ambient brightness parameter under, the corresponding camera running parameter adjusted value of each ambient brightness parameter obtains multiple camera works
Make parameter adjustment value, finally, according to multiple ambient brightness parameters and multiple camera running parameter adjusted value set environment brightness
The second mapping relations between parameter and camera running parameter adjusted value.To which current ambient brightness parameter can be being obtained
Afterwards, the running parameter adjusted value of camera corresponding with ambient brightness parameter is determined.
Further, the first running parameter can be adjusted according to running parameter adjusted value, obtains the second running parameter,
For example, according to the screen intensity parameter of display screen can be determined the first time for exposure, when according to the determining exposure of ambient brightness parameter
Between adjusted value, the second time for exposure was then determined according to the first time for exposure and time for exposure adjusted value.
As can be seen that face identification method described in the embodiment of the present application, is applied to electronic equipment, electronic equipment packet
Image acquisition device and display screen are included, image acquisition device is set to below display screen, and in the case where display screen is in and puts out screen state, adjustment is aobvious
Polaroid in display screen obtains the first facial image of target object by image acquisition device, by the first face to first state
Image is matched with default face template, obtains the first matching value, if the first matching value is more than preset matching threshold value, determines people
Face identifies successfully, in this way, face can be carried out using the image acquisition device below display screen in the state that display screen is in and puts out screen
Identification, thus, electronic equipment service life can be extended, and, reduce the power consumption generated when lifting camera lifting.
Referring to Fig. 2, Fig. 2 is the flow diagram of another face identification method provided by the embodiments of the present application, this reality
Face identification method described in example is applied, applied to electronic equipment as shown in Figure 1A, the electronic equipment includes that image is adopted
Storage and display screen, described image collector are set to below the display screen, and this method can comprise the following steps that
201, in the case where the display screen is in and puts out screen state, polaroid in the display screen is adjusted to first state, institute
Stating first state is the state that described image collector receives environment light through the display screen.
202, the first facial image of target object is obtained by described image collector.
203, first facial image is matched with default face template, obtains the first matching value, if described
One matching value is more than preset matching threshold value, determines recognition of face success.
204, in the case where the display screen is in bright screen state, polaroid in the display screen is adjusted to the second state, institute
Stating the second state is the state that described image collector does not receive environment light.
205, in the case where the polaroid in the display screen is in second state, going up and down mould group by the camera will
The camera is adjusted from first position to the second position.
206, the second facial image is obtained by the camera.
207, second facial image is matched with the default face template, obtains the second matching value, if institute
The second matching value is stated more than preset matching threshold value, determines recognition of face success.
Wherein, the specific implementation process of above-mentioned steps 201-207 can refer to describes accordingly in step 101-103, herein
It repeats no more.
As can be seen that face identification method described in the embodiment of the present application, is applied to electronic equipment, electronic equipment packet
Image acquisition device and display screen are included, image acquisition device is set to below display screen, and in the case where display screen is in and puts out screen state, adjustment is aobvious
Polaroid in display screen obtains the first facial image of target object by image acquisition device, by the first face to first state
Image is matched with default face template, obtains the first matching value, if the first matching value is more than preset matching threshold value, determines people
Face identifies successfully, in the case where display screen is in bright screen state, adjusts the polaroid in display screen to the second state, passes through camera liter
Drop mould group adjusts the camera to the second position from first position, the second facial image is obtained by camera, by second
Facial image is matched with default face template, obtains the second matching value, if the second matching value is more than preset matching threshold value, really
Determine recognition of face success the image below display screen is respectively adopted and adopts in this way, putting out under screen and bright screen two states by display screen
Storage and lifting camera carry out recognition of face, recognition of face can be carried out to avoid frequent lifting camera, when can extend standby
Between, and, extend the service life of electronic equipment.
Consistent with the abovely, referring to Fig. 3, the process for another face identification method provided by the embodiments of the present application is shown
It is intended to, face identification method as described in this embodiment, applied to electronic equipment as shown in Figure 1A, the electronic equipment packet
Image acquisition device and display screen are included, described image collector is set to below the display screen, and this method can comprise the following steps that
301, in the case where display screen is in and puts out screen state, the polaroid in display screen is adjusted to first state, first shape
State is the state that described image collector receives environment light through the display screen.
302, the first facial image of target object is obtained by described image collector.
303, first facial image is matched with default face template, obtains the first matching value, if described
One matching value is more than preset matching threshold value, determines recognition of face success.
304, in the case where the display screen is in bright screen state, polaroid in the display screen is adjusted to the second state, institute
Stating the second state is the state that described image collector does not receive environment light.
305, in the case where the polaroid in the display screen is in second state, going up and down mould group by the camera will
The camera is adjusted from first position to the second position.
306, the screen intensity parameter of the display screen is obtained, and, obtain ambient brightness parameter.
307, the first running parameter of the camera is determined according to the screen intensity parameter.
308, the running parameter adjusted value of the camera is determined according to the ambient brightness parameter.
309, the second running parameter is determined according to first running parameter and the running parameter adjusted value.
310, the second facial image that the camera obtains target object according to second running parameter is controlled.
311, second facial image is matched with the default face template, obtains the second matching value, if institute
The second matching value is stated more than preset matching threshold value, determines recognition of face success.
Wherein, the specific implementation process of step 301-311 can be found in describes accordingly in step 101-103, herein no longer
It repeats.
As can be seen that face identification method described in the embodiment of the present application, is applied to electronic equipment, at display screen
In putting out under screen state, the polaroid in display screen is adjusted to first state, obtains the first of target object by image acquisition device
First facial image is matched with default face template, obtains the first matching value, if the first matching value is more than by facial image
Preset matching threshold value determines recognition of face success, in the case where display screen be in bright screen state, polaroid in adjustment display screen to the
Two-state goes up and down mould group by camera and adjusts the camera to the second position from first position, obtains the screen of display screen
Curtain luminance parameter, and, ambient brightness parameter is obtained, the first running parameter of camera, root are determined according to screen intensity parameter
The running parameter adjusted value that camera is determined according to ambient brightness parameter is determined according to the first running parameter and running parameter adjusted value
Second running parameter, control camera obtains the second facial image of target object according to the second running parameter, by the second face
Image is matched with default face template, obtains the second matching value, if the second matching value is more than preset matching threshold value, determines people
Face identifies successfully, in this way, putting out under screen and bright screen two states by display screen, image acquisition device and lifting camera is respectively adopted
Recognition of face is carried out, recognition of face can be carried out to avoid frequent lifting camera, stand-by time can be extended, and, extend electronics
The service life of equipment.In addition, adjusting camera running parameter by screen intensity parameter and ambient brightness parameter, can be improved
The picture quality of second facial image.
It is the device for implementing above-mentioned face identification method below, specific as follows:
Consistent with the abovely, referring to Fig. 4, Fig. 4 is the structural representation of a kind of electronic equipment provided by the embodiments of the present application
Figure, the electronic equipment include: processor 410, display screen 430, image acquisition device 440, camera 450, camera lifting mould group
460, communication interface 470 and memory 420；And one or more programs, one or more of programs 421 are stored in institute
It states in memory, and is configured to be executed by the processor, described program 421 includes the finger for executing following steps
It enables:
In the case where the display screen is in and puts out screen state, polaroid in the display screen is adjusted to first state, described the
One state is the state that described image collector receives environment light through the display screen；
The first facial image of target object is obtained by described image collector；
First facial image is matched with default face template, obtains the first matching value, if described first
It is more than preset matching threshold value with value, determines recognition of face success.
In a possible example, first facial image and default face template are subjected to match party described
Face, described program 421 include the instruction for executing following steps:
Feature extraction is carried out to first facial image, obtains feature point set；
Analyze the characteristic point distribution of first facial image；
Circular image interception is carried out to first facial image according to a not concentric of M, obtains M border circular areas figure
Picture, the M are the integer greater than 3；
Target circle area image is selected from the M border circular areas image, the border circular areas image is included
The quantity of characteristic point is greater than other border circular areas images in the M border circular areas image；
The target circle area image is divided to obtain N number of annulus, the ring width of N number of annulus is identical；
Since N number of annulus the smallest annulus of radius, by N number of annulus successively with the default face template
Carry out Feature Points Matching, and the accumulative matching value for having matched annulus；
Stop carrying out Feature Points Matching immediately when the first accumulative matching value is greater than preset matching threshold value, and described in determining
First facial image and the default face template successful match.
In a possible example, described program 421 further includes the instruction for executing following steps:
In the case where the display screen is in bright screen state, polaroid in the display screen is adjusted to the second state, described
Two-state is the state that described image collector does not receive environment light.
In a possible example, the electronic equipment further includes camera and camera lifting mould group described program
421 further include the instruction for executing following steps:
In the case where the polaroid in the display screen is in second state, going up and down mould group by the camera will be described
Camera is adjusted from first position to the second position；
The second facial image is obtained by the camera；
Second facial image is matched with the default face template, obtains the second matching value, if described
Two matching values are more than preset matching threshold value, determine recognition of face success.
In a possible example, in terms of obtaining the second facial image by the camera, described program 421 is also
Including the instruction for executing following steps:
The screen intensity parameter of the display screen is obtained, and, obtain ambient brightness parameter；
The first running parameter of the camera is determined according to the screen intensity parameter；
The running parameter adjusted value of the camera is determined according to the ambient brightness parameter；
The second running parameter is determined according to first running parameter and the running parameter adjusted value；
Control the second facial image that the camera obtains target object according to second running parameter.
Referring to Fig. 5, Fig. 5 is a kind of structural schematic diagram of face identification device provided in this embodiment, it is applied to electronics
Equipment, the electronic equipment include image acquisition device and display screen, and described image collector is set to below the display screen, institute
Stating face identification device includes adjustment unit 501, acquiring unit 502 and matching unit 503, wherein
The adjustment unit 501, for adjusting the polarisation in the display screen in the case where the display screen is in and puts out screen state
For piece to first state, the first state is the state that described image collector receives environment light through the display screen；
The acquiring unit 502, for obtaining the first facial image of target object by described image collector；
The matching unit 503 obtains first for matching first facial image with default face template
Matching value determines recognition of face success if first matching value is more than preset matching threshold value.
Optionally, it is described first facial image is matched with default face template in terms of, the matching is single
Member 503 is specifically used for:
Feature extraction is carried out to first facial image, obtains feature point set；
Analyze the characteristic point distribution of first facial image；
Circular image interception is carried out to first facial image according to a not concentric of M, obtains M border circular areas figure
Picture, the M are the integer greater than 3；
Target circle area image is selected from the M border circular areas image, the border circular areas image is included
The quantity of characteristic point is greater than other border circular areas images in the M border circular areas image；
The target circle area image is divided to obtain N number of annulus, the ring width of N number of annulus is identical；
Since N number of annulus the smallest annulus of radius, by N number of annulus successively with the default face template
Carry out Feature Points Matching, and the accumulative matching value for having matched annulus；
Stop carrying out Feature Points Matching immediately when the first accumulative matching value is greater than preset matching threshold value, and described in determining
First facial image and the default face template successful match.
Optionally, the adjustment unit 501 is also used to:
In the case where the display screen is in bright screen state, polaroid in the display screen is adjusted to the second state, described
Two-state is the state that described image collector does not receive environment light.
Optionally, the electronic equipment further includes that camera and camera go up and down mould group,
The adjustment unit 501 is also used in the case where the polaroid in the display screen is in second state, passes through institute
Camera lifting mould group is stated to adjust the camera to the second position from first position；
The acquiring unit 502 is also used to obtain the second facial image by the camera；
The matching unit 503 is also used to match second facial image with the default face template, obtain
To the second matching value, if second matching value is more than preset matching threshold value, recognition of face success is determined.
Optionally, in terms of obtaining the second facial image by the camera, the matching unit 503 is specifically used for:
The screen intensity parameter of the display screen is obtained, and, obtain ambient brightness parameter；
The first running parameter of the camera is determined according to the screen intensity parameter；
The running parameter adjusted value of the camera is determined according to the ambient brightness parameter；
The second running parameter is determined according to first running parameter and the running parameter adjusted value；
Control the second facial image that the camera obtains target object according to second running parameter.
As can be seen that face identification device described in the embodiment of the present application, is applied to electronic equipment, electronic equipment packet
Image acquisition device and display screen are included, image acquisition device is set to below display screen, and in the case where display screen is in and puts out screen state, adjustment is aobvious
Polaroid in display screen obtains the first facial image of target object by image acquisition device, by the first face to first state
Image is matched with default face template, obtains the first matching value, if the first matching value is more than preset matching threshold value, determines people
Face identifies successfully, in this way, face can be carried out using the image acquisition device below display screen in the state that display screen is in and puts out screen
Identification, thus, electronic equipment service life can be extended, and, reduce the power consumption generated when lifting camera lifting.
It is understood that the function of each program module of the face identification device of the present embodiment can be according to above method reality
The method specific implementation in example is applied, specific implementation process is referred to the associated description of above method embodiment, herein no longer
It repeats.
The embodiment of the present application also provides another electronic equipments, as shown in fig. 6, for ease of description, illustrate only with
The relevant part of the embodiment of the present application, it is disclosed by specific technical details, please refer to the embodiment of the present application method part.The electronics
Equipment can be include mobile phone, tablet computer, PDA (personal digital assistant, personal digital assistant), POS
Any terminal device such as (point of sales, point-of-sale terminal), vehicle-mounted computer, by taking electronic equipment is mobile phone as an example:
Fig. 6 shows the block diagram of the part-structure of mobile phone relevant to electronic equipment provided by the embodiments of the present application.Ginseng
Fig. 6 is examined, mobile phone includes: radio frequency (Radio Frequency, RF) circuit 910, memory 920, input unit 930, display unit
940, sensor 950, voicefrequency circuit 960, Wireless Fidelity (Wireless Fidelity, Wi-Fi) module 970, processor 980,
Power supply 990, camera 9100, camera go up and down the components such as mould group 9200 and image acquisition device 9300.Those skilled in the art
It is appreciated that handset structure shown in Fig. 6 does not constitute the restriction to mobile phone, it may include than illustrating more or fewer portions
Part perhaps combines certain components or different component layouts.
It is specifically introduced below with reference to each component parts of the Fig. 6 to mobile phone:
RF circuit 910 can be used for sending and receiving for information.In general, RF circuit 910 includes but is not limited to antenna, at least one
A amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition,
RF circuit 910 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 (Code Division Multiple Access, CDMA), wideband code division multiple access (Wideband Code Division
Multiple Access, WCDMA), long term evolution (Long Term Evolution, LTE), Email, short message service
(Short Messaging Service, SMS) etc..
Memory 920 can be used for storing software program and module, and processor 980 is stored in memory 920 by operation
Software program and module, thereby executing the various function application and data processing of mobile phone.Memory 920 can mainly include
Storing program area and storage data area, wherein storing program area can application journey needed for storage program area, at least one function
Sequence etc.；Storage data area, which can be stored, uses created data etc. according to mobile phone.In addition, memory 920 may include high speed
Random access memory, can also include nonvolatile memory, a for example, at least disk memory, flush memory device or
Other volatile solid-state parts.
Input unit 930 can be used for receiving the number or character information of input, and generate with the user setting of mobile phone with
And the related key signals input of function control.Specifically, input unit 930 may include fingerprint recognition mould group 931 and other are defeated
Enter equipment 932.Fingerprint recognition mould group 931 can acquire the finger print data of user on it.In addition to fingerprint recognition mould group 931, input
Unit 930 can also include other input equipments 932.Specifically, other input equipments 932 can include but is not limited to touch-control
One of screen, physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc.
Or it is a variety of.
Display unit 940 can be used for showing information input by user or be supplied to user information and mobile phone it is various
Menu.Display unit 940 may include display screen 941, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the forms such as organic or inorganic light emitting diode (Organic Light-Emitting Diode, OLED) come
Configure display screen 941.
Mobile phone may also include at least one sensor 950, such as optical sensor, motion sensor, pressure sensor, temperature
Sensor and other sensors.Specifically, optical sensor may include ambient light sensor (also referred to as light sensor) and connect
Nearly sensor, wherein ambient light sensor can adjust the backlight illumination of mobile phone according to the light and shade of ambient light, and then adjust aobvious
The brightness of display screen 941, proximity sensor can close display screen 941 and/or backlight when mobile phone is moved in one's ear.As movement
One kind of sensor, accelerometer sensor can detect the size of (generally three axis) acceleration in all directions, static Shi Kejian
Size and the direction for measuring gravity, can be used to identify mobile phone posture application (such as horizontal/vertical screen switching, magnetometer pose calibrating),
Vibration identification correlation function (such as pedometer, percussion) etc.；Gyroscope, barometer, the hygrometer, temperature that can also configure as mobile phone
The other sensors such as meter, infrared sensor are spent, details are not described herein.
Voicefrequency circuit 960, loudspeaker 961, microphone 962 can provide the audio interface between user and mobile phone.Audio-frequency electric
Electric signal after the audio data received conversion can be transferred to loudspeaker 961, be converted to sound by loudspeaker 961 by road 960
Signal plays；On the other hand, the voice signal of collection is converted to electric signal by microphone 962, is turned after being received by voicefrequency circuit 960
It is changed to audio data, then by after the processing of audio data playback process device 980, such as another mobile phone is sent to through RF circuit 910,
Or audio data is played to memory 920 to be further processed.
Wi-Fi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics by Wi-Fi module 970
Mail, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 6 is shown
Wi-Fi module 970, but it is understood that, and it is not belonging to must be configured into for mobile phone, it can according to need completely not
Change in the range of the essence of invention and omits.
Processor 980 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, is led to
It crosses operation or executes the software program and/or module being stored in memory 920, and call and be stored in memory 920
Data execute the various functions and processing data of mobile phone, to carry out integral monitoring to mobile phone.Optionally, processor 980 can wrap
Include one or more processing units；Preferably, processor 980 can integrate application processor AP and modem processor, wherein
The main processing operation system of application processor AP, user interface and application program etc., modem processor are mainly handled wirelessly
Communication.It is understood that above-mentioned modem processor can not also be integrated into processor 980.
Mobile phone further includes the power supply 990 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe
Reason system and processor 980 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system
Etc. functions.
Mobile phone further includes camera 9100, and camera 9100 includes front camera and rear camera, front camera
With rear camera for shooting image and video, and the image of shooting and transmission of video are handled to processor 980.
Mobile phone can also be including bluetooth module etc., and details are not described herein.
In earlier figures 1B, Fig. 2 and embodiment shown in Fig. 3, each step method process can be based on the structure reality of the mobile phone
It is existing.
The embodiment of the present application also provides a kind of computer readable storage medium, wherein the computer readable storage medium is deposited
Storage is used for the computer program of electronic data interchange, which execute computer as above-mentioned face identification method is real
Applying some or all of either record method step, above-mentioned computer in example includes electronic equipment.
The embodiment of the present application also provides a kind of computer program product, and above-mentioned computer program product includes storing calculating
The non-transient computer readable storage medium of machine program, above-mentioned computer program are operable to that computer is made to execute such as above-mentioned side
Some or all of any face identification method recorded in method embodiment step.The computer program product can be soft for one
Part installation kit, above-mentioned computer include electronic equipment.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the application is not limited by the described action sequence because
According to the application, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, related actions and modules not necessarily the application
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of said units, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
Above-mentioned unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If above-mentioned integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer-readable access to memory.Based on this understanding, the technical solution of the application substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment above method of the application
Step.And memory above-mentioned includes: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic or disk.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory
May include: flash disk, read-only memory (English: Read-Only Memory, referred to as: ROM), random access device (English:
Random Access Memory, referred to as: RAM), disk or CD etc..
The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and
Embodiment is expounded, the description of the example is only used to help understand the method for the present application and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the application
There is change place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (10)
1. a kind of face identification method, which is characterized in that be applied to electronic equipment, the electronic equipment include image acquisition device and
Display screen, described image collector are set to below the display screen, which comprises
In the case where the display screen is in and puts out screen state, polaroid in the display screen is adjusted to first state, first shape
State is the state that described image collector receives environment light through the display screen；
The first facial image of target object is obtained by described image collector；
First facial image is matched with default face template, obtains the first matching value, if first matching value
More than preset matching threshold value, recognition of face success is determined.
2. the method according to claim 1, wherein described by first facial image and default face template
It is matched, comprising:
Feature extraction is carried out to first facial image, obtains feature point set；
Analyze the characteristic point distribution of first facial image；
Circular image interception is carried out to first facial image according to a not concentric of M, obtains M border circular areas image, institute
Stating M is the integer greater than 3；
Target circle area image, the feature that the border circular areas image is included are selected from the M border circular areas image
The quantity of point is greater than other border circular areas images in the M border circular areas image；
The target circle area image is divided to obtain N number of annulus, the ring width of N number of annulus is identical；
Since N number of annulus the smallest annulus of radius, N number of annulus is successively carried out with the default face template
Feature Points Matching, and the accumulative matching value for having matched annulus；
Stop carrying out Feature Points Matching immediately when the first accumulative matching value is greater than preset matching threshold value, and determines described first
Facial image and the default face template successful match.
3. method according to claim 1 or 2, which is characterized in that the method also includes:
In the case where the display screen is in bright screen state, polaroid in the display screen is adjusted to the second state, second shape
State is the state that described image collector does not receive environment light.
4. according to the method described in claim 3, it is characterized in that, the electronic equipment further includes camera and camera liter
Mould group drops, the method also includes:
In the case where the polaroid in the display screen is in second state, mould group is gone up and down for the camera shooting by the camera
Head is adjusted from first position to the second position；
The second facial image is obtained by the camera；
Second facial image is matched with the default face template, obtains the second matching value, if described second
It is more than preset matching threshold value with value, determines recognition of face success.
5. according to the method described in claim 4, it is characterized in that, it is described by the camera obtain the second facial image,
Include:
The screen intensity parameter of the display screen is obtained, and, obtain ambient brightness parameter；
The first running parameter of the camera is determined according to the screen intensity parameter；
The running parameter adjusted value of the camera is determined according to the ambient brightness parameter；
The second running parameter is determined according to first running parameter and the running parameter adjusted value；
Control the second facial image that the camera obtains target object according to second running parameter.
6. a kind of face identification device, which is characterized in that be applied to electronic equipment, the electronic equipment include image acquisition device and
Display screen, described image collector are set to below the display screen, and the face identification device includes:
Adjustment unit, in the case where the display screen is in and puts out screen state, adjusting the polaroid in the display screen to the first shape
State, the first state are the state that described image collector receives environment light through the display screen；
Acquiring unit, for obtaining the first facial image of target object by described image collector；
Matching unit obtains the first matching value, if institute for matching first facial image with default face template
The first matching value is stated more than preset matching threshold value, determines recognition of face success.
7. face identification device according to claim 6, which is characterized in that described by first facial image and pre-
If in terms of face template is matched, the matching unit is specifically used for:
Feature extraction is carried out to first facial image, obtains feature point set；
Analyze the characteristic point distribution of first facial image；
Circular image interception is carried out to first facial image according to a not concentric of M, obtains M border circular areas image, institute
Stating M is the integer greater than 3；
Target circle area image, the feature that the border circular areas image is included are selected from the M border circular areas image
The quantity of point is greater than other border circular areas images in the M border circular areas image；
The target circle area image is divided to obtain N number of annulus, the ring width of N number of annulus is identical；
Since N number of annulus the smallest annulus of radius, N number of annulus is successively carried out with the default face template
Feature Points Matching, and the accumulative matching value for having matched annulus；
Stop carrying out Feature Points Matching immediately when the first accumulative matching value is greater than preset matching threshold value, and determines described first
Facial image and the default face template successful match.
8. face identification device according to claim 6 or 7, which is characterized in that the adjustment unit is also used to:
In the case where the display screen is in bright screen state, polaroid in the display screen is adjusted to the second state, second shape
State is the state that described image collector does not receive environment light.
9. a kind of electronic equipment characterized by comprising display screen, image acquisition device, camera, camera lifting mould group, place
Manage device, memory and communication interface；And one or more programs, one or more of programs are stored in the memory
In, and be configured to be executed by the processor, described program includes being used for the method according to claim 1 to 5
Instruction.
10. a kind of computer readable storage medium, which is characterized in that it is used to store computer program, wherein the computer
Program makes computer execute the method according to claim 1 to 5.
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| CN112102623A (en) * | 2020-08-24 | 2020-12-18 | 深圳云天励飞技术股份有限公司 | Traffic violation identification method and device and intelligent wearable device |
| CN114523908A (en) * | 2022-03-18 | 2022-05-24 | 武汉华星光电技术有限公司 | Control method and control device of vehicle-mounted display screen and electronic equipment |
| CN114523908B (en) * | 2022-03-18 | 2023-06-02 | 武汉华星光电技术有限公司 | Control method and control device of vehicle-mounted display screen and electronic equipment |
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