CN103929583B - A kind of method and intelligent terminal of control intelligent terminal - Google Patents
A kind of method and intelligent terminal of control intelligent terminal Download PDFInfo
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Abstract
This application discloses a kind of methods of control intelligent terminal, including：During intelligent terminal is moved forward and backward, Face datection is carried out to operator by the front camera of intelligent terminal；The variation of facial size in intelligent terminal moving process is determined according to testing result, and intelligent terminal is controlled according to the variation.Disclosed herein as well is a kind of intelligent terminals.Technical solution disclosed in the present application is applied to the zoom magnification of the camera of control intelligent terminal, the shooting effect of intelligent terminal can be improved, and simplify zoom operation；Technical solution disclosed in the present application is applied to the scaling multiple of the display window displayed content of control intelligent terminal, can realize that singlehanded control picture, webpage etc. zoom in or out.
Description
Technical field
This application involves intelligent terminal technical field, more particularly to a kind of the method and intelligent terminal of control intelligent terminal.
Background technology
Currently, most intelligent terminals are each equipped with camera, and has optical zoom and/or Digital Zoom work(
Energy, hereafter referred to collectively as zoom.
According to the prior art, all intelligent terminals are all made of touch-sensitive display when doing zoom operation, that is, press...with one's finger
Firmly the slider bar on screen is slided, to achieve the purpose that zoom.
The above-mentioned prior art is primarily present following technical problem：
1, since the shape of intelligent terminal is usually smaller and relatively thin, and the camera lens of its camera does not have optical anti-vibration work(
Can, it holds intelligent terminal simultaneously therefore, it is necessary to two hands just and can be allowed to and keep stablizing, in this way, being difficult to rise while taking pictures
It sells to do other operations, and the above-mentioned prior art needs to drag slider bar on the touchscreen with finger to carry out zoom, it is aobvious
So, this will cause shooting effect to substantially reduce.
2, dragging slider bar is different from true physical device is operated on the touchscreen, causes operation sense not good enough, also, its
Feel is to slide on the touchscreen, if sensitivity of touch screen is bad or has sweat that manipulation precision will be caused to be greatly reduced on hand.
When the above-mentioned prior art 3, being applied to intelligent terminal being taken pictures, it is necessary to constantly find a view with zoom it
Between switch, i.e.,：Find a view->Adjust focal length->Find a view again->Focal length is adjusted again, and repeatedly, extremely cumbersome and effect is bad.
Currently, intelligent terminal also has one kind, typically application is for browsing webpage, picture or document etc..It is needed when people work as
When being zoomed in or out to the content currently browsed, there are two types of implementations at present：
The first scheme is：Two fingers of one hand-held intelligent terminal, the other hand are used in combination, in shown by display window
Appearance zooms in or out.This scheme needs two hands to operate simultaneously, is not easy to very much operate in riding process.
Second scheme is：Select zoom function, and the position for needing to zoom in or out that press...withes one's finger, unclamp finger it
Afterwards, the content corresponding to the position is amplified accordingly or reduces.Although this scheme only needs one-handed performance, it scales multiple
It is usually fixed, obtained zooming effect is not usually needed for people.
As it can be seen that needing to propose a kind of technical solution of effective control intelligent terminal, to solve present in the prior art
Above-mentioned technical problem.
Invention content
This application provides a kind of methods and intelligent terminal of control intelligent terminal, to realize effective control to intelligent terminal
System.
A kind of method of control intelligent terminal provided by the present application, including：
During intelligent terminal is moved forward and backward, face inspection is carried out to operator by the front camera of intelligent terminal
It surveys；
The variation of facial size in intelligent terminal moving process is determined according to testing result, and intelligence is controlled according to the variation
Terminal.
Preferably, described include according to variation control intelligent terminal：The postposition that intelligent terminal is controlled according to the variation is taken the photograph
As the zoom magnification of head, alternatively, controlling the scaling multiple of the display window displayed content of intelligent terminal according to the variation.
Preferably, the facial size is：The width of face, the square root of height or area.
Preferably, the zoom magnification of the rear camera for controlling intelligent terminal according to the variation is：
The zoom magnification of rear camera is determined according to formula Z=K*L/L0*Z0, wherein：
K is the first adjustment factor, K=α *（Zmax/Zmin）；
α is the second adjustment factor, can just be born, and is a pre-set empirical value, and be adjusted；
Zmax and Zmin is the maximum multiplying power of rear camera zoom and minimum multiplying power respectively；
Z0 is the initial value of focal length；
L0 is the initial value of facial size；
L is the current value of facial size.
Preferably, the scaling multiple of the display window displayed content for controlling intelligent terminal according to the variation is：
The scaling multiple of displayed content is determined according to formula Z=K*L/L0*Z0, wherein：
K is the first adjustment factor, K=α *（Zmax/Zmin）；
α is the second adjustment factor, can just be born, and is a pre-set empirical value, and be adjusted；
Zmax and Zmin is the maximum multiplying power of scaling and minimum multiplying power respectively；
Z0 is the initial value of the scaling multiple of display window displayed content；
L0 is the initial value of facial size；
L is the current value of facial size.
A kind of intelligent terminal provided by the present application, including：Front camera, face detection module, application module, control mould
Block and controlled module, wherein：
Application module is started to work for calling the control module to start each module；
Front camera is for shooting the operator of intelligent terminal；
Face detection module is used for during intelligent terminal is moved forward and backward, the operation taken according to front camera
Person's picture carries out Face datection to operator, and is determined in intelligent terminal moving process according to the testing result of face detection module
The variation of facial size controls the controlled module according to the variation.
Preferably, the controlled module is：Rear camera；
The face detection module controls the zoom magnification of the rear camera according to the variation of facial size.
Preferably, the controlled module is：Display window；
The face detection module controls the scaling times of the display window displayed content according to the variation of facial size
Number.
Preferably, the result that the face detection module carries out Face datection is facial size, the facial size is：People
The width of face, the square root of height or area.
Preferably, the intelligent terminal further comprises preprocessing module；
The preprocessing module is used to carry out smooth, denoising to the picture captured by front camera to operate.
As seen from the above technical solution, the technical solution of control intelligent terminal provided by the present application, by before operator
Afterwards during mobile intelligent terminal, Face datection is carried out to operator by the front camera of intelligent terminal, and according to inspection
The variation of the front and back facial size of intelligent terminal movement measured, controls intelligent terminal, so that operator can pass through
It is moved forward and backward the mode of intelligent terminal, achievees the purpose that control intelligent terminal.
Description of the drawings
Fig. 1 is the composed structure schematic diagram of one preferable intelligent terminal of the application；
Fig. 2 is that the camera of control intelligent terminal in one preferred embodiment of the application carries out the method flow signal of zoom
Figure.
Specific implementation mode
To make the object, technical solution and advantage of the application be more clearly understood, develop simultaneously embodiment referring to the drawings, right
The application is described in further detail.
In order to solve the above technical problems, the application proposes that a kind of method of control intelligent terminal, main thought are：
During operator is moved forward and backward intelligent terminal, Face datection is carried out to operator by the front camera of intelligent terminal,
And the variation of the front and back facial size of intelligent terminal movement obtained according to detection, intelligent terminal is controlled accordingly.
The method of the above-mentioned control intelligent terminal of the application can be widely applied to realize various relevant controls to intelligent terminal,
Wherein, typically application is exactly：Control the scaling multiple of the zoom magnification and display window displayed content of rear camera.Under
Face is also mainly illustrated by taking both applications as an example, other scenes are referred to both applications and carry out.
Based on above-mentioned main thought, the application proposes a kind of contactless zoom operation method controlled based on optics,
Basic principle is：During operator is moved forward and backward intelligent terminal, by the front camera of intelligent terminal to operator
Face datection, and the variation of the front and back facial size of intelligent terminal movement obtained according to detection are carried out, intelligent terminal is controlled
The zoom magnification of rear camera, so that operator can reach control intelligence by way of being moved forward and backward intelligent terminal
The purpose of the rear camera zoom of energy terminal.
Based on above-mentioned main thought, the application also proposes that a kind of singlehanded control shows the method that content zooms in and out, base
Present principles are：During operator is moved forward and backward intelligent terminal, by the front camera of intelligent terminal to operator into
Row Face datection, and the variation of the front and back facial size of intelligent terminal movement obtained according to detection, control the aobvious of intelligent terminal
Show the scaling multiple of window displayed content, so that operator can reach by way of being moved forward and backward intelligent terminal
Control the purpose of the size of the display window displayed content of intelligent terminal.
Below for controlling the zoom magnification of rear camera of intelligent terminal, technical scheme is carried out detailed
Explanation.
Using technical solution provided herein, while setting camera upon actuation, front camera, operation are opened
Person is allowed to the face close to or away from operator by mobile intelligent terminal, and since object distance is smaller, face is in preposition camera shooting at this time
Apparent variation will occur for the size in picture taken by head, so as to obtain face ruler in intelligent terminal moving process
The data of very little variation.Here, facial size can be：Width, height, the square root of area or other dimensions of face.
In specific implementation, functional relation can be established between facial size and optics or digital focal length, and according to institute
The functional relation of foundation determines the zoom magnification of camera.A kind of preferable functional relation such as formula（1）It is shown：
Z=K*L/L0*Z0 determines the zoom magnification of rear camera, wherein：
Z is current zoom magnification；
K is the first adjustment factor, K=α *（Zmax/Zmin）；
α is the second adjustment factor, can just be born, and is a pre-set empirical value, and specific value is determined by experiment, and
And it is adjustable, operator of being subject to feels to adjust comfortable；
Zmax and Zmin is the maximum multiplying power of rear camera zoom and minimum multiplying power respectively；If this programme is applied to
The scaling multiple of the display window displayed content of intelligent terminal is controlled, then, Zmax and Zmin indicate the maximum scaled respectively
Multiplying power and minimum multiplying power；
Z0 is the initial value of focal length；If this programme to be applied to the display window displayed content of control intelligent terminal
Multiple is scaled, then, Z0 is the initial value of the scaling multiple of display window displayed content；
L0 is the initial value of facial size；
L is the current value of facial size.
When focal length has been adjusted to minimum or maximum value, continue to same direction mobile intelligent terminal, focal length is kept not
Become.Similarly, when scaling multiple is adjusted to minimum or maximum value, continue to same direction mobile intelligent terminal, scaling times
Number remains unchanged.
In practical application, in above-mentioned formula it needs to be determined that key parameter be Z0 and α.Since front camera is all fixed-focus
Head, and the size of face is roughly the same, and the distance of intelligent terminal to face is generally best suited for eyes observation when starting to take pictures
Distance, therefore the initial value of α can be determined according to statistical data, and Z0 is then determined according to the value of α and general shooting custom.
In addition to this, can be that system increases certain learning ability, such as method based on Bayesian statistics, according to user
Service condition posteriority finely tune α and Z0, and the manual regulatory function of the two parameter values is opened to advanced level user.
Fig. 1 is the composed structure schematic diagram of one preferable intelligent terminal of the application.Referring to Fig. 1, which includes following
Module：Front camera 110, controlled module 120, face detection module 130, application module 140 and control module 150, wherein：
Application module is started to work for calling the control module to start each module；
Front camera is for shooting the operator of intelligent terminal；
Face detection module is used for during intelligent terminal is moved forward and backward, the operation taken according to front camera
Person's picture carries out Face datection to operator, and is determined in intelligent terminal moving process according to the testing result of face detection module
The variation of facial size controls the controlled module according to the variation.
Controlled module in intelligent terminal shown in Fig. 1 can be rear camera, at this point, the face detection module is root
The zoom magnification of the rear camera is controlled according to the variation of facial size；Controlled module in intelligent terminal shown in Fig. 1 also may be used
To be display window, at this point, the face detection module is controlled according to the variation of facial size in shown by the display window
The scaling multiple of appearance.
After zoom magnification adjustment, rear camera will be shot according to new zoom magnification, and before pressing shutter
The thumbnail of preview mode can be returned to application module, so as to user's observation, adjustment.
Wherein, the result that the face detection module carries out Face datection is facial size, and the facial size is：Face
Width, height, the square root of area or other dimensions.
Preferably, when the zoom magnification to rear camera controls, face detection module is used for according to following public affairs
Formula determines the zoom magnification of rear camera：
Z=K*L/L0*Z0
Wherein：
K is the first adjustment factor, K=α *（Zmax/Zmin）；
α is the second adjustment factor, can just be born, and is a pre-set empirical value, and be adjusted；
Zmax and Zmin is the maximum multiplying power of rear camera zoom and minimum multiplying power respectively；
Z0 is the initial value of focal length；
L0 is the initial value of facial size；
L is the current value of facial size.
Preferably, when the scaling multiple to display window displayed content controls, face detection module is for pressing
The scaling multiple of displayed content is determined according to following formula：
Z=K*L/L0*Z0
Wherein：
K is the first adjustment factor, K=α *（Zmax/Zmin）；
α is the second adjustment factor, can just be born, and is a pre-set empirical value, and be adjusted；
Zmax and Zmin is the maximum multiplying power of scaling and minimum multiplying power respectively；
Z0 is the initial value of the scaling multiple of display window displayed content；
L0 is the initial value of facial size；
L is the current value of facial size.
In practical applications, to avoid the built-in pretreatment potentiality of front camera insufficient, in intelligent terminal shown in Fig. 1 also
May further include preprocessing module 160, the preprocessing module be used for the picture captured by front camera carry out it is smooth,
The operations such as denoising.
Below in conjunction with the accompanying drawings, the application is further elaborated by a preferred embodiment.
Fig. 2 is that the camera of control intelligent terminal in one preferred embodiment of the application carries out the method flow signal of zoom
Figure.In the specific implementation, technical scheme can exist in the form of an application program, therefore, method shown in Fig. 2 with
Start the application program to start, after the application program launching, executes following operation：
Step 201：Front camera is awaited orders.
Step 202：The initial value of calculating operation person's facial size.
Step 203：Judge whether to need to carry out zoom operation, if it is desired, execute step 204, otherwise, return to step
201。
Step 204：Start front camera.
Step 205：Front camera shoots operator.
Step 206：Face datection is carried out to operator's picture that shooting obtains.
Step 207：Zoom magnification is calculated according to pre-set functional relation.
Step 208：Zoom magnification is sent to application program.
Step 209：Judge whether application program closes, if it has not, otherwise return to step 205 executes step
210.
Step 210：Close front camera.
So far, terminate flow shown in Fig. 2.
It takes pictures to mobile phone/tablet computer and carries out Zoom control, be that the application most directly applies.In conjunction with light-operated shutter, such as
Blink shutter etc. can be completed, from finding a view, accommodating to the entire shooting process of shutter, to provide by once in an operating process
Operating experience.In particular for traditional weakness of mobile phone --- it captures, the speed and stability of shooting can be greatly improved, to
Improve shooting quality.
In addition to for Zoom control, the application can be additionally used in picture, webpage amplification, reduction capability.Check picture or net
When page, the position for needing amplification, reducing can be pinned with thumb (one-handed performance), then cell phone, waits for image scaling
To needs degree when, unclamp finger, the position pinned is adjusted to picture center.
In addition to this, the application can also be used to realize image rotation function.It, can be according to face when carrying out Face datection
Length and width determine a direction vector, the direction on the basis of inceptive direction, rotating mobile, by current direction vector with initial
Direction vector is compared, and obtains rotation angle, then by the identical angle of image counter-rotating to realize rotation function.
In addition, the application can also be used to realize target movement and page-turning function.It, can be to face when carrying out Face datection
Position in picture is positioned, then with respect to face cell phone (translation), according to face picture position variation come
Moving operation target, such as mobile picture, e-book page turning.
In short, the control method based on front camera Face datection is a kind of general side on mobile phone or flat-panel systems
Method can be used for the relevant operations of various UI.
The application is applied to control zoom, there is following technical advantage compared with the prior art：
1, when operator is taken pictures using intelligent terminal, zoom with find a view and can be carried out at the same time, provide similar camera
Operating experience, so as to by constantly feeding back the shooting effect being optimal.
2, the both hands that operator can be liberated, make operator can with both hands and meanwhile hold intelligent terminal be allowed to keep stablize,
To improve shooting effect.
3, it without increasing new equipment, can be realized merely with the front camera of intelligent terminal, and front camera mesh
Before have become the standard configuration of intelligent terminal.
4, light is changed insensitive.It is well known that light control system can not work under half-light, it is necessary to introduce additional optical
Source, and for the front camera of intelligent terminal, itself is a light sources for the screen of intelligent terminal, when operator observes intelligence
When the screen of terminal, light that screen is sent out necessarily be irradiated to operator on the face or with, therefore even if under half-light the application
Technical solution also can normal use.
5, picture material is changed insensitive.Common light control system is in the case of scene dullness, a such as only colourless wall
When, it can not work normally, because lacking Reference, and the object of reference of the application is the face of operator, works as operator
When watching screen attentively, the face of operator becomes natural object of reference, ensure that technical scheme is reliable and accurately works.
6, by the way that rational functional relation and adjustment parameter is arranged, can make to find a view by near big and far smaller rule variation, symbol
Close the intuition of people.
7, closer from front camera due to face, i.e., object distance is smaller, therefore when back-and-forth motion intelligent terminal, face is being drawn
Significant changes will occur for the size in face, it is thus possible to provide reliable and be accurately controlled.
8, preferably shooting experience can be obtained relative to traditional mode.
If 9, in conjunction with light-operated shutter, such as blink shutter can be in entire shooting process without switching gesture, to obtain
More smoothly shooting experience.
The foregoing is merely the preferred embodiments of the application, not limiting the application, all essences in the application
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of the application protection god.
Claims (10)
1. a kind of method of control intelligent terminal, which is characterized in that including：
During intelligent terminal is moved forward and backward, Face datection is carried out to operator by the front camera of intelligent terminal；
The variation of facial size in intelligent terminal moving process is determined according to testing result, and intelligence is controlled eventually according to the variation
End；
Wherein, it is described according to the variation control intelligent terminal include at least one below：
Functional relation is established between facial size and optics or digital focal length, and according to the functional relation and face ruler established
The zoom magnification of the rear camera of very little variation control intelligent terminal；Wherein, described in facial size and optics or digital burnt
Functional relation is established away between, and is taken the photograph according to the postposition of the variation control intelligent terminal for the functional relation and facial size established
As the zoom magnification of head is：
The zoom magnification of rear camera is determined according to formula Z=K*L/L0*Z0, wherein：
K is the first adjustment factor, K=α * (Zmax/Zmin)；
α is the second adjustment factor, can just be born, and is a pre-set empirical value, and be adjusted；
Zmax and Zmin is the maximum multiplying power of rear camera zoom and minimum multiplying power respectively；
Z0 is the initial value of focal length；
L0 is the initial value of facial size；
L is the current value of facial size；
Alternatively, when carrying out Face datection, inceptive direction vector is determined according to the length and width of face, by working as rotary intelligent terminal
Front direction vector is compared with inceptive direction vector, obtains rotation angle, by the identical angle of image counter-rotating；
Alternatively, when carrying out Face datection, position of the face in picture is positioned, according to opposite face intelligent movable end
Face carrys out moving operation target in the variation of picture position when end.
2. according to the method described in claim 1, it is characterized in that：
The facial size is：The width of face, the square root of height or area.
3. a kind of method of control intelligent terminal, which is characterized in that including：
During intelligent terminal is moved forward and backward, Face datection is carried out to operator by the front camera of intelligent terminal；
The variation of facial size in intelligent terminal moving process is determined according to testing result, and intelligence is controlled eventually according to the variation
End；
Wherein, it is described according to the variation control intelligent terminal include at least one below：
Functional relation is established between facial size and the scaling multiple of display window displayed content, and according to the letter established
The scaling multiple of the display window displayed content of the variation control intelligent terminal of number relationship and facial size；
Wherein, described to establish functional relation between facial size and the scaling multiple of display window displayed content, and according to
The scaling multiple of the display window displayed content of the variation control intelligent terminal of the functional relation established and facial size is：
The scaling multiple of displayed content is determined according to formula Z=K*L/L0*Z0, wherein：
K is the first adjustment factor, K=α * (Zmax/Zmin)；
α is the second adjustment factor, can just be born, and is a pre-set empirical value, and be adjusted；
Zmax and Zmin is the maximum multiplying power of scaling and minimum multiplying power respectively；
Z0 is the initial value of the scaling multiple of display window displayed content；
L0 is the initial value of facial size；
L is the current value of facial size；
Alternatively, when carrying out Face datection, inceptive direction vector is determined according to the length and width of face, by working as rotary intelligent terminal
Front direction vector is compared with inceptive direction vector, obtains rotation angle, by the identical angle of image counter-rotating；
Alternatively, when carrying out Face datection, position of the face in picture is positioned, according to opposite face intelligent movable end
Face carrys out moving operation target in the variation of picture position when end.
4. according to the method described in claim 3, it is characterized in that：
The facial size is：The width of face, the square root of height or area.
5. a kind of intelligent terminal, which is characterized in that including：Front camera, face detection module, application module, control module
And controlled module, wherein：
Application module is started to work for calling the control module to start each module；
Front camera is for shooting the operator of intelligent terminal；
Face detection module is used for during intelligent terminal is moved forward and backward, and is drawn according to the operator that front camera takes
Face datection is carried out in face of operator, and face in intelligent terminal moving process is determined according to the testing result of face detection module
The variation of size controls the controlled module according to the variation；
It is wherein, described that control the controlled module according to the variation include at least one below：
The controlled module is：Rear camera；
The face detection module establishes functional relation between facial size and optics or digital focal length, and according to being established
The variation of functional relation and facial size controls the zoom magnification of the rear camera；Wherein, described in facial size and light
Functional relation is established between or digital focal length, and intelligence is controlled eventually according to the variation for the functional relation and facial size established
The zoom magnification of the rear camera at end is：
The zoom magnification of rear camera is determined according to formula Z=K*L/L0*Z0, wherein：
K is the first adjustment factor, K=α * (Zmax/Zmin)；
α is the second adjustment factor, can just be born, and is a pre-set empirical value, and be adjusted；
Zmax and Zmin is the maximum multiplying power of rear camera zoom and minimum multiplying power respectively；
Z0 is the initial value of focal length；
L0 is the initial value of facial size；
L is the current value of facial size；
Alternatively, when carrying out Face datection, inceptive direction vector is determined according to the length and width of face, by working as rotary intelligent terminal
Front direction vector is compared with inceptive direction vector, obtains rotation angle, by the identical angle of image counter-rotating；
Alternatively, when carrying out Face datection, position of the face in picture is positioned, according to opposite face intelligent movable end
Face carrys out moving operation target in the variation of picture position when end.
6. intelligent terminal according to claim 5, it is characterised in that：
The result that the face detection module carries out Face datection is facial size, and the facial size is：Width, the height of face
The square root of degree or area.
7. intelligent terminal according to claim 5, which is characterized in that the intelligent terminal further comprises pre-processing mould
Block；
The preprocessing module is used to carry out smooth, denoising to the picture captured by front camera to operate.
8. a kind of intelligent terminal, which is characterized in that including：Front camera, face detection module, application module, control module
And controlled module, wherein：
Application module is started to work for calling the control module to start each module；
Front camera is for shooting the operator of intelligent terminal；
Face detection module is used for during intelligent terminal is moved forward and backward, and is drawn according to the operator that front camera takes
Face datection is carried out in face of operator, and face in intelligent terminal moving process is determined according to the testing result of face detection module
The variation of size controls the controlled module according to the variation；
It is wherein, described that control the controlled module according to the variation include at least one below：
The controlled module is：Display window；
The face detection module establishes functional relation between facial size and the scaling multiple of display window displayed content,
And the scaling multiple of the display window displayed content is controlled according to the variation for the functional relation and facial size established；Its
In, it is described to establish functional relation between facial size and the scaling multiple of display window displayed content, and according to being established
Functional relation and the scaling multiple of display window displayed content of variation control intelligent terminal of facial size be：
The scaling multiple of displayed content is determined according to formula Z=K*L/L0*Z0, wherein：
K is the first adjustment factor, K=α * (Zmax/Zmin)；
α is the second adjustment factor, can just be born, and is a pre-set empirical value, and be adjusted；
Zmax and Zmin is the maximum multiplying power of scaling and minimum multiplying power respectively；
Z0 is the initial value of the scaling multiple of display window displayed content；
L0 is the initial value of facial size；
L is the current value of facial size；
Alternatively, when carrying out Face datection, inceptive direction vector is determined according to the length and width of face, by working as rotary intelligent terminal
Front direction vector is compared with inceptive direction vector, obtains rotation angle, by the identical angle of image counter-rotating；
Alternatively, when carrying out Face datection, position of the face in picture is positioned, according to opposite face intelligent movable end
Face carrys out moving operation target in the variation of picture position when end.
9. intelligent terminal according to claim 8, it is characterised in that：
The result that the face detection module carries out Face datection is facial size, and the facial size is：Width, the height of face
The square root of degree or area.
10. intelligent terminal according to claim 8, which is characterized in that the intelligent terminal further comprises pre-processing
Module；
The preprocessing module is used to carry out smooth, denoising to the picture captured by front camera to operate.
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| CN107395963B (en) * | 2017-07-12 | 2019-02-01 | 珠海格力电器股份有限公司 | Automatic photographing control method and device |
| CN108449446A (en) * | 2017-10-27 | 2018-08-24 | 喻金鑫 | Virtual transparent view-finder adjusts zoom |
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