CN108769514A - Camera control method, device, electronic device and storage medium - Google Patents
Camera control method, device, electronic device and storage medium Download PDFInfo
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- CN108769514A CN108769514A CN201810474598.6A CN201810474598A CN108769514A CN 108769514 A CN108769514 A CN 108769514A CN 201810474598 A CN201810474598 A CN 201810474598A CN 108769514 A CN108769514 A CN 108769514A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/172—Classification, e.g. identification
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
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- Multimedia (AREA)
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- Human Computer Interaction (AREA)
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Abstract
The embodiment of the present application discloses a kind of camera control method, device, electronic device and storage medium, is related to technical field of electronic device.The camera control method is applied to electronic device, and the electronic device is provided with rotatable camera, the method includes：When camera starts, detect the currently used scene of the electronic device, judge whether currently used scene is recognition of face scene, when currently used scene is recognition of face scene, control camera rotation, during rotation, recognition of face is carried out using preview image, until successfully identifying facial image.Camera control method, device, electronic device and storage medium provided by the embodiments of the present application rotate acquisition facial image by the camera of setting on the electronic device and are identified, avoid the facial image obtained from having distortion, recognition of face is caused to fail automatically.
Description
Technical field
This application involves technical field of electronic device, more particularly, to a kind of camera control method, device, electronics
Device and storage medium.
Background technology
With the development of technology, the function of electronic device is more and more, and camera has become the indispensable work(of electronic device
One of can.Since electronic device has been increasingly becoming carry-on, the article of whipping of user, carrying out Image Acquisition using electronic device becomes
It is more and more common.But the range that existing electronic device carries out Image Acquisition is fixed, and user is needed to rotate mobile phone, operation is numerous
It is trivial.
Invention content
In view of the above problems, present applicant proposes a kind of camera control method, device, electronic device and storages to be situated between
Matter rotates acquisition facial image by the camera of setting on the electronic device and is identified, avoids the face figure obtained automatically
As there is distortion, recognition of face is caused to fail.
In a first aspect, the embodiment of the present application provides a kind of camera control method, it is applied to electronic device, the electronics
Device is provided with rotatable camera, the method includes：When the camera starts, working as the electronic device is detected
Preceding usage scenario；Judge whether the currently used scene is recognition of face scene；When the currently used scene is the people
When face identifies scene, the camera rotation is controlled, during rotation, recognition of face is carried out using preview image, until
Success identifies facial image.
Second aspect, the embodiment of the present application provide a kind of camera shooting head controlling device, are applied to electronic device, the electronics
Device is provided with rotatable camera, and described device includes：Currently used scene detection module is opened for working as the camera
When dynamic, the currently used scene of the electronic device is detected；Currently used scene judgment module, it is described currently used for judging
Whether scene is recognition of face scene；Control module is rotated, for being the recognition of face scene when the currently used scene
When, the camera rotation is controlled, during rotation, recognition of face is carried out using preview image, until successfully identifying people
Face image.
The third aspect, the embodiment of the present application provide a kind of electronic device, including touch screen, memory and processor,
The touch screen is couple to the processor, the memory store instruction, when described instruction is by described with the memory
It manages processor when device executes and executes the above method.
Fourth aspect, the embodiment of the present application provide it is a kind of with processor can perform program code it is computer-readable
Take storage medium, said program code that the processor is made to execute the above method.
5th aspect, the embodiment of the present application provide a kind of electronic device, including：Rotatable camera, the camera shooting
Head is for obtaining preview image；Circuit is connect with the camera, and the circuit includes detection circuit, driving circuit and place
Circuit is managed, the detection circuit is for detecting whether the currently used scene of the electronic device is recognition of face scene；It is described
Driving circuit is used to, according to the recognition of face scene, control the camera rotation；The processing circuit is used in rotation
In the process, recognition of face is carried out using preview image, until successfully identifying facial image.
A kind of camera control method, device, electronic device and storage medium provided by the embodiments of the present application, are applied to
Electronic device, the electronic device are provided with rotatable camera.When camera starts, detecting the current of the electronic device makes
With scene, judge whether currently used scene is recognition of face scene, when currently used scene is recognition of face scene, control
Camera rotates, and during rotation, recognition of face is carried out using preview image, until successfully identifying facial image, with logical
It crosses setting camera on the electronic device and rotate acquisition facial image automatically and be identified, avoid the facial image of acquisition from having abnormal
Become, recognition of face is caused to fail.
These aspects or other aspects of the application can more straightforward in the following description.
Description of the drawings
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 shows the structural schematic diagram of the first electronic device provided by the embodiments of the present application；
Fig. 2 shows the structural schematic diagrams of second of electronic device provided by the embodiments of the present application；
Fig. 3 shows the structural schematic diagram of the third electronic device provided by the embodiments of the present application；
Fig. 4 shows the flow diagram for the camera control method that the application first embodiment provides；
Fig. 5 shows the flow diagram for the camera control method that the application second embodiment provides；
Fig. 6 shows the flow diagram of the step S260 for the camera control method that the application second embodiment provides；
Fig. 7 shows the flow diagram of the step S262 for the camera control method that the application second embodiment provides；
Fig. 8 shows a kind of module frame chart for the camera shooting head controlling device that the application 3rd embodiment provides；
Fig. 9 shows another module frame chart for the camera shooting head controlling device that the application 3rd embodiment provides；
Figure 10 shows a kind of block diagram of electronic device provided by the embodiments of the present application；
Figure 11 shows a kind of front schematic view of electronic device provided by the embodiments of the present application；
Figure 12 shows the block diagram of the electronic device for executing the camera control method according to the embodiment of the present application.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall in the protection scope of this application.
Display screen usually act as showing played in the electronic devices such as mobile phone, tablet computer, wearable electronic equipment
Show the contents such as text, picture, icon or video.Requirement with user to the clarity and fineness of displayed content is got over
Come higher, more electronic devices use larger-size touching display screen, to realize the display effect shielded comprehensively.But
During larger-size display screen is set, find front camera set by electronic device front end, close to optical sensor,
The function elements such as projecting subassembly, receiver can influence the region that touching display screen can expand to.
Usual electronic device includes front panel, rear cover and frame.In front plate include upper frontal region, middle part screen area and under
Portion key zone.In general, upper frontal region is provided with the function elements such as receiver sound outlet hole and front camera, middle part screen area is provided with
Touching display screen, lower part key zone are provided with one to three physical buttons.And with the development of technology, lower part key zone is gradual
Cancel, the physical button in lower part key zone is set originally and is substituted by the virtual key in touching display screen.
And the function elements such as receiver sound outlet hole and front camera set by upper frontal region support the function of mobile phone
It is more important, it is not easy easily to cancel, so the display area of touching display screen is extended to the upper frontal region of covering with larger
Difficulty.After a series of researchs, inventor has found can be by work(such as projecting subassembly, receiver, camera, structure optical assemblies
Energy device hides the inside of the terminal body of setting electronic device or the back side of terminal body, is reconfigured slide assemblies and/or turns
Dynamic component reveals at the top of the terminal body, to realize by the upper frontal region of script be extended to touching display screen can
Display area, with increase can display area area, to realize the effect shielded comprehensively.
Illustratively, referring to Fig. 1, Fig. 1 shows the first knot for the electronic device 100 that can be used for the embodiment of the present application
Structure schematic diagram.Electronic device includes terminal body 130, camera 150 and runner assembly 140, and camera 150 is mounted on rotating group
On part 140, in addition, other function elements of electronic device can also be arranged on runner assembly 140, wherein other effectors
Part is in addition to may include close to optical sensor, receiver, range sensor, ambient light sensor, temperature sensor, pressure sensor
Equal devices.
Runner assembly 140 is rotatablely connected with terminal body 130, and in some implementations, camera 150 is in runner assembly 140
Drive under, can in the horizontal direction with vertical direction rotate.In the embodiment of the present application, electronic device is provided with driving group
Part, the drive component can be motors, and runner assembly 140 can be driven to rotate.Then the rotation direction of runner assembly 140 can be
It is two-dimensional, can also be three-dimensional.
Wherein, the rotation that two-dimensional rotation can be horizontally oriented, as shown in Figure 1, drive component drives runner assembly 140
Rotate in the horizontal direction, wherein horizontal direction be when electronic device vertical display, the rotational plane of runner assembly 140 with
The top side of electronic device is parallel, and specifically, which may include shaft and installation part, then one end of shaft
Mounted on the top of electronic device, the other end is connect with installation part, then on mountings, shaft can for above-mentioned function element installation
Installation part is driven to horizontally rotate.As an implementation, runner assembly 140 can move up and down, i.e., filled along far from electronics
The top set and the direction movement close to the top of electronic device so that runner assembly can be contained in inside electronics
Or the back side, for example, runner assembly is slidably arranged on inside terminal body 130, and the open top of terminal body 130, turn
Dynamic component 140 can be stretched out by open top.Alternatively, runner assembly 140 can be placed in the back side of terminal body 130, example
Such as, one groove is set at the top at the back side of terminal body 130, then runner assembly 140 is arranged in groove, and can be
It stretches out or retracts in groove.
In addition, two-dimensional rotation can also be the rotation on vertical direction, as shown in Fig. 2, drive component drives rotating group
Part 140 rotates in the vertical direction, wherein horizontal direction is when electronic device vertical display, and the rotation of runner assembly 140 is flat
Face is vertical with the top side of terminal body 130, and specifically, which may include holder and installation part, then holder
Mounted on the top of terminal body 130, and installation part is connect with holder pivots, as shown in Fig. 2, the quantity of holder is two,
Mounted on the top of terminal body 130, and installation part is installed in rotation on two holders, specifically, can be turned by one
Axis is installed on two holders, and under the action of shaft, installation part can rotate in the vertical direction.In addition, shown in Fig. 2
Runner assembly can also be contained in the inside of terminal body 130 or the back side, and specific structure can refer to aforementioned, and details are not described herein.
Furthermore the rotation on three-dimensional may include the rotation in horizontal direction and vertical direction, as shown in figure 3,
Drive component drives runner assembly 140 in vertically and horizontally upper rotation, and specifically, which can wrap
Holder and installation part are included, then holder is mounted on the top of terminal body 130, and installation part is connect with holder pivots, and holder
Also it can rotate, rotation direction is horizontal direction, the rotation being achieved that as a result, on the three-dimensional of runner assembly.
Therefore, the range for Image Acquisition being carried out for current electronic device is fixed, and user is needed to rotate mobile phone, cumbersome
The problem of, it inventors herein proposes camera control method, device, electronic device and storage provided by the embodiments of the present application and is situated between
Matter rotates acquisition facial image by the camera of setting on the electronic device and is identified, avoids the face figure obtained automatically
As there is distortion, recognition of face is caused to fail.
First embodiment
Referring to Fig. 4, Fig. 4 shows the flow diagram for the camera control method that the application first embodiment provides.
The camera control method, which is used to rotate acquisition facial image automatically by the camera of setting on the electronic device, to be known
Not, it avoids the facial image obtained from having distortion, recognition of face is caused to fail.In the particular embodiment, the camera control
Method is applied to camera shooting head controlling device 200 as shown in Figure 8 and the electronics dress configured with the camera shooting head controlling device 200
100 (Figure 11) are set, will illustrate the detailed process of the present embodiment by taking electronic device as an example below, it will of course be understood that, this reality
It can be smart mobile phone, tablet computer, wearable electronic equipment etc. to apply the electronic device that example is applied, and do not do specific limit herein
It is fixed.It will be explained in detail below for flow shown in Fig. 4, the camera control method can specifically include following step
Suddenly：
Step S110：When the camera starts, the currently used scene of the electronic device is detected.
In the present embodiment, if carrying out payment verification by face in payment, camera is needed to acquire facial image,
Therefore, camera needs are revealed from terminal body, wherein camera can be pulled by external force from terminal body
It reveals, can also reveal from terminal body under the drive of the electric control gear in terminal body, not limit herein
It is fixed.As a kind of mode, electronic device is detected the state of camera, when detecting the camera from terminal body
It reveals or when the startup control of the camera is triggered, characterizes the camera and be activated, electronic device is as ringing
Its currently used scene is coped with to be detected.
Wherein, the currently used scene of electronic device at least may include recognition of face scene and common photographed scene, make
For first way, the application program of the camera can be called to obtain currently used scene by acquisition, specifically,
When detecting that camera starts, to calling the application program of the camera to obtain, if for example, calling answering for the camera
With program be camera, video camera etc. shoot class application program when, then characterize the currently used scene be common photographed scene,
When if the application program of calling camera is the payment class application program such as Alipay, Taobao or when unlock class application program, characterization
Currently used scene, which is recognition of face scene, further can obtain the currently used field of electronic device based on application program
Scape, as a kind of enforceable mode, electronic device pre-sets and stores between each application program and currently used scene
Mapping relations mapping table, after getting application program, by searching for mapping table can get the application program correspond to
Currently used scene.
It, can be by the way that current display page when opening camera be identified, according to identification as the second way
Result judge that currently used scene is common photographed scene or recognition of face scene, if for example, current display page display is clapped
Picture is taken the photograph, then it is common photographed scene to characterize the current usage scenario, if current display page display shopping picture or commodity are drawn
Face, then it is recognition of face scene to characterize the current usage scenario, and certainly, the present embodiment can also include other judgment modes,
It is no longer exhaustive herein.
Step S120：Judge whether the currently used scene is recognition of face scene.
Step S130：When the currently used scene is the recognition of face scene, the camera rotation is controlled,
During rotation, recognition of face is carried out using preview image, until successfully identifying facial image.
Further, when judging currently used scene for recognition of face scene, electronic device controls camera shooting in response
Head rotation, due to during camera rotates, changing relative to the position of electronic device and angle, therefore, is adopted
The image of collection changes therewith, and also correspondence changes the preview image of the display screen display of electronic device.Further,
In the present embodiment, electronic device carries out recognition of face using preview image, until successfully identifying facial image, specifically, electricity
Sub-device carries out feature extraction to preview image, obtains the facial image in preview image, by the facial image and the people to prestore
Face image is matched, with judge the facial image whether with the facial image successful match that prestores, facial image whether with
When the facial image successful match to prestore, characterizes and successfully identify facial image.
The camera control method that the application first embodiment provides detects the electronic device when camera starts
Currently used scene judges whether currently used scene is recognition of face scene, when currently used scene is recognition of face scene
When, control camera rotation carries out recognition of face, until successfully identifying face figure during rotation using preview image
Picture is identified with rotating acquisition facial image automatically by the camera of setting on the electronic device, avoids the face obtained
Image has distortion, and recognition of face is caused to fail.
Second embodiment
Referring to Fig. 5, Fig. 5 shows the flow diagram for the camera control method that the application second embodiment provides.
It will be explained in detail below for flow shown in fig. 5, the method can specifically include following steps：
Step S210：When the camera starts, the application program for calling the camera is obtained.
Step S220：The currently used scene of the electronic device is obtained based on the application program.
Step S230：Judge whether the currently used scene is recognition of face scene.
Step S240：When the currently used scene is recognition of face scene, present preview image is obtained.
Step S250：The facial image in the present preview image is obtained, and the facial image is identified.
Wherein, the implementation method of step S210- steps S250 refers to step S110- step S130, and details are not described herein.
Step S260：When facial image identification is unsuccessful, the camera rotation is controlled, in the process of rotation
In, recognition of face is carried out using the preview image, until successfully identifying the facial image.
It should be understood that when facial image identification is unsuccessful, characterizing the position set by the camera can not obtain
The complete face information of the target user taken then controls camera rotation, wherein in the present embodiment, the camera turns
It is ranging from 360 ° dynamic, further, during camera rotates, recognition of face is carried out using preview image, until success
Identify the facial image.
Referring to Fig. 6, Fig. 6 shows the stream of the step S260 for the camera control method that the application second embodiment provides
Journey schematic diagram.It will be explained in detail below for flow shown in fig. 6, the method can specifically include following steps：
Step S261：When facial image identification is unsuccessful, judge whether the facial image is complete face figure
Picture.
Further, causing the unsuccessful situation of recognition of face to include at least, man face image acquiring is imperfect and facial image
Corresponding user is not real user, wherein if the corresponding user of facial image is not recognition of face caused by real user
When failure, then shows the prompt message of recognition failures and continue to control the camera rotation reacquisition facial image, if
When recognition of face caused by man face image acquiring is imperfect fails, then it is identified again after obtaining complete recognition of face image.?
In the present embodiment, when facial image identification is unsuccessful, then judge whether the facial image is complete facial image, wherein
Can by identify the facial image whether be located at preview image marginal position judge whether the facial image complete, can also
Feature extraction is carried out to facial image and judges whether the facial image is complete etc..
Step S262：When the facial image is not complete facial image, the facial image is obtained described current
Position in preview image controls the camera according to the position and rotates, during rotation, utilizes the preview graph
As carrying out recognition of face, until successfully identifying the facial image.
Wherein, when it is not complete facial image to judge the facial image, electronic device obtains facial image current pre-
Look at the position in image, it is possible to understand that, which can be located at the lower edge region in present preview image, can be with
Upper edge region in present preview image, the left part fringe region that can be located in present preview image, can also
Right edge region in present preview image etc. is further determining the facial image in present preview image
Position after, camera rotation is controlled according to the position, and in rotation process, carries out recognition of face using preview image, directly
Others' face image is arrived to successfully knowing.
Referring to Fig. 7, Fig. 7 shows the flow diagram for the camera control method that the application second embodiment provides.
It will be explained in detail below for flow shown in Fig. 7, the method can specifically include following steps：
Step S2621：When the facial image is not complete facial image, obtain the facial image with it is described current
The position relationship of preview image.
Further, when the facial image is not complete facial image, electronic device is based on the facial image current
The position relationship of the position acquisition facial image and present preview image in preview image, as a kind of mode, with current pre-
It lookes at position reference point of the midpoint as present preview image of image, joins using the midpoint of facial image as the position of facial image
Examination point obtains the facial image and current pre- by the position reference point of facial image and the position reference point of present preview image
The position relationship look between image.
Step S2622：Rotation angle and the direction of rotation of the camera are calculated based on the position relationship.
In addition, after obtaining the position relationship of facial image and present preview image, the people is obtained based on the position relationship
Relative distance between face image and present preview image and relative angle, and based on the facial image and present preview image it
Between relative distance and relative angle calculate camera rotation angle and direction of rotation, it is possible to understand that, be based on the rotation angle
Degree and direction of rotation, on the one hand, camera can turn to commitment positions to obtain complete facial image, on the other hand, image
Head can turn to commitment positions with shortest distance and shortest time, save camera rotation time and reduce camera turn
Dynamic required power consumption.
Step S2623：The camera is controlled according to the rotation angle and the direction of rotation to rotate, in the mistake of rotation
Cheng Zhong carries out recognition of face, until successfully identifying the facial image using the preview image.
In addition, in the present embodiment, when left area of the facial image in present preview image, the face is characterized
The corresponding user of image is located at opposing electronic device position to the left, in the case where electronic device does not move, can control
Camera is rotated towards the left side of opposing electronic device, to obtain the preview graph for including complete facial image during rotation
Picture, and recognition of face is carried out until successfully recognizing facial image to the preview image；When facial image is in present preview image
Right area when, characterize the corresponding user of the facial image and be located at opposing electronic device position to the right, in electronic device
In the case of not moving, camera can be controlled and rotated towards the right of opposing electronic device, to be obtained during rotation
Include the preview image of complete facial image, and recognition of face is carried out until successfully recognizing facial image to the preview image.
Further, since in an electronic, there are maximum rotation angles for camera, if calculating the camera obtained
When rotation angle is more than the maximum rotation angle, then it cannot be satisfied and turn to commitment positions, therefore, in the present embodiment, taking the photograph
As head rotation during, detection camera shooting head-turned angle to judge whether the camera has turned to maximum rotation angle,
If turning to maximum rotation angle, the equal None- identified of the facial image obtained in rotational angle is characterized, display face is known
Not Shi Bai prompt message or display reminding user hand turn move electronic device carry out recognition of face.
The camera control method that the application second embodiment provides obtains when camera starts and calls camera
Application program is obtained the currently used scene of electronic device based on the application program, judges whether currently used scene is face
It identifies scene, when currently used scene is recognition of face scene, obtains present preview image, obtain in present preview image
Facial image, and facial image is identified, when facial image identification is unsuccessful, control camera rotation, in rotation
In the process, recognition of face is carried out using preview image, until successfully identifying facial image, with by being arranged on the electronic device
Camera rotates acquisition facial image and is identified automatically, avoids the facial image obtained from having distortion, recognition of face is caused to fail.
3rd embodiment
Referring to Fig. 8, Fig. 8 shows the module frame chart for the camera shooting head controlling device 200 that the application 3rd embodiment provides.
The camera shooting head controlling device 200 is applied to electronic device, which is provided with rotatable camera, will be directed to below
Block diagram shown in Fig. 8 is illustrated, and the camera shooting head controlling device 200 includes：It is currently used scene detection module 210, current
Usage scenario judgment module 220 and rotation control module 230, wherein：
Currently used scene detection module 210, for when the camera starts, detecting the current of the electronic device
Usage scenario.Referring to Fig. 9, further, the currently used scene detection module 210, including：
Application program acquisition submodule 211, for when the camera starts, obtaining the application for calling the camera
Program.
Currently used scene acquisition submodule 212, for obtaining the current of the electronic device based on the application program
Usage scenario.
Currently used scene judgment module 220, for judging whether the currently used scene is recognition of face scene.
Control module 230 is rotated, for when the currently used scene is the recognition of face scene, being taken the photograph described in control
As head rotation, during rotation, recognition of face is carried out using preview image, until successfully identifying facial image.Further
Ground, the rotation control module 230, including：Present preview image acquisition submodule 231, facial image identification submodule 232 with
And rotation control submodule 233, wherein：
Present preview image acquisition submodule 231, for when the currently used scene is recognition of face scene, obtaining
Present preview image.
Facial image identifies submodule 232, for obtaining the facial image in the present preview image, and to the people
Face image is identified.
Control submodule 233 is rotated, for when facial image identification is unsuccessful, controlling the camera rotation,
During rotation, recognition of face is carried out using the preview image, until successfully identifying the facial image.Further
Ground, the rotation control submodule 233, including：Facial image judging unit, position acquisition unit and rotation control unit,
Wherein：
Facial image judging unit, for when facial image identification is unsuccessful, whether judging the facial image
For complete facial image.
Position acquisition unit, for when the facial image is not complete facial image, obtaining the facial image and existing
Position in the present preview image.Further, the position acquisition unit, including：Position relationship obtain subelement and
Computation subunit, wherein：
Position relationship obtains subelement, for when the facial image is not complete facial image, obtaining the face
The position relationship of image and the present preview image.
Computation subunit, rotation angle and direction of rotation for calculating the camera based on the position relationship.
Control unit is rotated, is rotated for controlling the camera according to the position, during rotation, utilizes institute
It states preview image and carries out recognition of face, until successfully identifying the facial image.Further, the rotation control unit, packet
It includes：Rotation control subelement, wherein：
Rotation control subelement, rotates for controlling the camera according to the rotation angle and the direction of rotation,
During rotation, recognition of face is carried out using the preview image, until successfully identifying the facial image.
Further, the camera shooting head controlling device 200 further includes：Rotational angle acquisition module 240 and prompt message are aobvious
Show module 250, wherein：
Rotational angle acquisition module 240, for detecting whether the camera has turned in the camera rotation process
It moves to maximum rotation angle.
Prompt message display module 250, for when the camera has turned to the maximum rotation angle, showing people
The prompt message of face recognition failures.
Fourth embodiment
Referring to Fig. 10, Figure 10 shows the circuit diagram for the electronic device 300 that the application fourth embodiment provides.Below will
It is illustrated for circuit diagram shown in Fig. 10, the electronic device 300 includes：The camera 310 and circuit of interconnection
320, wherein circuit 320 includes detection circuit 321, driving circuit 322 and processing circuit 323, wherein：
The camera 320 is for obtaining preview image；The detection circuit 321 is for detecting the electronic device 300
Currently used scene whether be recognition of face scene；The driving circuit 322 is used for according to the recognition of face scene, control
The camera 310 rotates；The processing circuit 323 is used for during rotation, and recognition of face is carried out using preview image,
Until successfully identifying facial image.
In conclusion a kind of camera control method provided by the embodiments of the present application, device, electronic device and storage are situated between
Matter, is applied to electronic device, which is provided with rotatable camera.When camera starts, electronics dress is detected
The currently used scene set judges whether currently used scene is recognition of face scene, when currently used scene is recognition of face
When scene, control camera rotation carries out recognition of face, until successfully identifying people during rotation using preview image
Face image is identified with rotating acquisition facial image automatically by the camera of setting on the electronic device, avoids acquisition
Facial image has distortion, and recognition of face is caused to fail.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment weight
What point illustrated is all the difference with other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For device class embodiment, since it is basically similar to the method embodiment, so fairly simple, the related place ginseng of description
See the part explanation of embodiment of the method.For arbitrary processing mode described in embodiment of the method, in device reality
It applies in example and no longer can be one by one repeated in device embodiment by corresponding processing modules implement.
Referring to Figure 11, based on above-mentioned camera control method, device, the embodiment of the present application also provides a kind of electricity
Sub-device 100.
Illustratively, electronic device 100 can be various types of calculating that are mobile or portable and executing wireless communication
Any one of machine system equipment (only illustratively shows a kind of form) in Figure 11.Specifically, electronic device 100 can be with
For mobile phone or smart phone (for example, being based on iPhone TM, the phone based on Android TM), portable gaming device
(such as Nintendo DS TM, PlayStation Portable TM, Gameboy Advance TM, iPhone TM), knee
Laptop, PDA, portable Internet appliance, music player and data storage device, other handheld devices and such as
Wrist-watch, earphone, pendant, earphone etc., electronic device 100 can also be other wearable devices (for example, such as electronic glasses,
Electronics clothes, electronics bracelet, electronics necklace, electronics tatoo, the headset equipment (HMD) of electronic equipment or smartwatch).
Electronic device 100 can also be that any one of multiple electronic equipments, multiple electronic equipments include but not limited to
Cellular phone, smart phone, other wireless telecom equipments, personal digital assistant, audio player, other media players, sound
Happy logger, video recorder, camera, other medium recorders, radio, Medical Devices, vehicle transport instrument, calculator, can
Program remote controler, pager, laptop computer, desktop computer, printer, netbook computer, personal digital assistant
(PDA), portable media player (PMP), Motion Picture Experts Group's (MPEG-1 or MPEG-2) audio layer 3 (MP3) play
Device, portable medical device and digital camera and combinations thereof.
In some cases, electronic device 100 can execute multiple functions and (for example, playing music, show video, storage
Picture and send and receive call).If desired, electronic device 100 can be such as cellular phone, media play
The portable device of device, other handheld devices, watch equipment, pendant equipment, receiver device or other compact portable equipment.
Electronic device 100 as shown in figure 11 include electronic body portion 10, the electronic body portion 10 include shell 12 and
The main display 120 being arranged on the shell 12.Metal can be used in the shell 12, such as steel, aluminium alloy are made.This implementation
In example, the main display 120 generally includes display panel 111, may also comprise and is carried out to the display panel 111 for responding
The circuit etc. of touch control operation.The display panel 111 can be a liquid crystal display panel (Liquid Crystal
Display, LCD), in some embodiments, the display panel 111 is a touch screen 109 simultaneously.
Please refer to Figure 12, in actual application scenarios, the electronic device 100 can be used as intelligent mobile phone terminal into
It exercises and uses, the electronic body portion 10 also typically includes one or more (only showing one in figure) processors in this case
102, memory 104, RF (Radio Frequency, radio frequency) module 106, voicefrequency circuit 110, sensor 114, input module
118, power module 122.It will appreciated by the skilled person that structure shown in Figure 12 is only to illustrate, not to institute
The structure for stating electronic body portion 10 causes to limit.For example, the electronic body portion 10 may also include it is more than shown in Figure 12 or
The less component of person, or with the configuration different from shown in Figure 12.
It will appreciated by the skilled person that for the processor 102, all other component belongs to
It is coupled by multiple Peripheral Interfaces 124 between peripheral hardware, the processor 102 and these peripheral hardwares.The Peripheral Interface 124 can
Based on following standard implementation：Universal Asynchronous Receive/sending device (Universal Asynchronous Receiver/
Transmitter, UART), universal input/output (General Purpose Input Output, GPIO), serial peripheral connect
Mouthful (Serial Peripheral Interface, SPI), internal integrated circuit (Inter-Integrated Circuit,
I2C), but it is not limited to above-mentioned standard.In some instances, the Peripheral Interface 124 can only include bus；In other examples
In, the Peripheral Interface 124 may also include other elements, such as one or more controller, such as connecting the display
The display controller of panel 111 or storage control for connecting memory.In addition, these controllers can also be from described
Detached in Peripheral Interface 124, and be integrated in the processor 102 or corresponding peripheral hardware in.
The memory 104 can be used for storing software program and module, and the processor 102 is stored in institute by operation
The software program and module in memory 104 are stated, to perform various functions application and data processing.The memory
104 may include high speed random access memory, may also include nonvolatile memory, and such as one or more magnetic storage device dodges
It deposits or other non-volatile solid state memories.In some instances, the memory 104 can further comprise relative to institute
The remotely located memory of processor 102 is stated, these remote memories can pass through network connection to the electronic body portion 10
Or the main display 120.The example of above-mentioned network includes but not limited to internet, intranet, LAN, mobile communication
Net and combinations thereof.
The RF modules 106 are used to receive and transmit electromagnetic wave, realize the mutual conversion of electromagnetic wave and electric signal, to
It is communicated with communication network or miscellaneous equipment.The RF modules 106 may include various existing for executing these functions
Circuit element, for example, antenna, RF transceiver, digital signal processor, encryption/deciphering chip, subscriber identity module
(SIM) card, memory etc..The RF modules 106 can be carried out with various networks such as internet, intranet, wireless network
Communication is communicated by wireless network and miscellaneous equipment.Above-mentioned wireless network may include cellular telephone networks, wireless
LAN or Metropolitan Area Network (MAN).Above-mentioned wireless network can use various communication standards, agreement and technology, including but not limited to
Global system for mobile communications (Global System for Mobile Communication, GSM), enhanced mobile communication skill
Art (Enhanced Data GSM Environment, EDGE), Wideband CDMA Technology (wideband code
Division multiple access, W-CDMA), Code Division Multiple Access (Code division access, CDMA), time-division
Multiple access technology (time division multiple access, TDMA), adopting wireless fidelity technology (Wireless, Fidelity,
WiFi) (such as American Institute of Electrical and Electronics Engineers's standard IEEE 802.10A, IEEE802.11b, IEEE802.11g and/or
IEEE 802.11n), the networking telephone (Voice over internet protocal, VoIP), worldwide interoperability for microwave accesses
It is (Worldwide Interoperability for Microwave Access, Wi-Max), other for mail, Instant Messenger
Agreement and any other suitable communications protocol of news and short message, or even may include that those are not developed currently yet
Agreement.
Voicefrequency circuit 110, receiver 101, sound jack 103, microphone 105 provide user and the electronic body portion jointly
Audio interface between 10 or described main displays 120.Specifically, the voicefrequency circuit 110 receives from the processor 102
Voice data is converted to electric signal by voice data, by electric signal transmission to the receiver 101.The receiver 101 is by electric signal
Be converted to the sound wave that human ear can be heard.The voicefrequency circuit 110 receives electric signal also from the microphone 105, by electric signal
Voice data is converted to, and gives the processor 102 to be further processed data transmission in network telephony.Audio data can be with
It is obtained from the memory 104 or by the RF modules 106.In addition, audio data can also be stored to the storage
It is sent in device 104 or by the RF modules 106.
The setting of the sensor 114 is in the electronic body portion 10 or in the main display 120, the sensor
114 example includes but is not limited to：Optical sensor, operation sensor, pressure sensor, gravity accelerometer and
Other sensors.
Specifically, the sensor 114 may include light sensor 114F, pressure sensor 114G.Wherein, pressure sensing
Device 114G can detect the sensor by pressing the pressure generated in electronic device 100.That is, pressure sensor 114G detection by with
The pressure that contact between family and electronic device or pressing generate, for example, by between the ear and electronic device of user contact or
Press the pressure generated.Therefore, whether pressure sensor 114G may be used to determine occurs between user and electronic device 100
Contact or the size of pressing and pressure.
Referring to Figure 12, specifically in the embodiment shown in fig. 12, the light sensor 114F and the pressure
Force snesor 114G is arranged adjacent to the display panel 111.The light sensor 114F can have object aobvious close to the master
When display screen 120, such as when the electronic body portion 10 is moved in one's ear, the processor 102 closes display output.
As a kind of motion sensor, gravity accelerometer can detect in all directions (generally three axis) and accelerate
The size of degree can detect that size and the direction of gravity, can be used to identify the application of 100 posture of the electronic device when static
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc..
In addition, the electronic body portion 10 can also configure other sensors such as gyroscope, barometer, hygrometer, thermometer, herein no longer
It repeats,
In the present embodiment, the input module 118 may include being arranged the touch screen on the main display 120
109, the touch screen 109 collect user on it or neighbouring touch operation (for example user is any using finger, stylus etc.
Operation of the suitable object or attachment on the touch screen 109 or near the touch screen 109), and according to presetting
The corresponding attachment device of driven by program.Optionally, the touch screen 109 may include touch detecting apparatus and touch controller.
Wherein, the touch orientation of the touch detecting apparatus detection user, and the signal that touch operation is brought is detected, it transmits a signal to
The touch controller；The touch controller receives touch information from the touch detecting apparatus, and by the touch information
It is converted into contact coordinate, then gives the processor 102, and order that the processor 102 is sent can be received and executed.
Furthermore, it is possible to realize touching for the touch screen 109 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves
Touch detection function.In addition to the touch screen 109, in other change embodiments, the input module 118 can also include it
Its input equipment, such as button 107.The button 107 for example may include the character keys for inputting character, and for triggering
The control button of control function.The example of the control button includes " returning to main screen " button, on/off button etc..
The information and the electronics that the main display 120 is used to show information input by user, is supplied to user
The various graphical user interface of body part 10, these graphical user interface can by figure, text, icon, number, video and its
Arbitrary to combine to constitute, in an example, the touch screen 109 may be disposed on the display panel 111 thus with described
Display panel 111 constitutes an entirety.
The power module 122 is used to provide supply of electric power to the processor 102 and other each components.Specifically,
The power module 122 may include power-supply management system, one or more power supply (such as battery or alternating current), charging circuit,
Power-fail detection circuit, inverter, indicator of the power supply status and it is other arbitrarily with the electronic body portion 10 or the master
The generation, management of electric power and the relevant component of distribution in display screen 120.
The electronic device 100 further includes locator 119, and the locator 119 is for determining 100 institute of the electronic device
The physical location at place.In the present embodiment, the locator 119 realizes the positioning of the electronic device 100 using positioning service,
The positioning service, it should be understood that the location information of the electronic device 100 is obtained by specific location technology (as passed through
Latitude coordinate), it is marked on the electronic map by the technology of the position of positioning object or service.
It should be understood that above-mentioned electronic device 100 is not limited to intelligent mobile phone terminal, should refer to can move
The computer equipment used in dynamic.Specifically, electronic device 100, refers to the mobile computer for being equipped with intelligent operating system
Equipment, electronic device 100 include but not limited to smart mobile phone, smartwatch, tablet computer, etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
Any process or the method description described in other ways in flow chart or herein is construed as, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discuss suitable
Sequence, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be by the application
Embodiment person of ordinary skill in the field understood.
The logic and/or step for indicating or describing in other ways herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
(system of such as computer based system including processor other can be held from instruction for instruction execution system, device or equipment
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicating, propagating or passing
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other suitable
Medium, because can be for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or when necessary with it
Its suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or combination thereof.Above-mentioned
In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit application-specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries
Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium
In matter, which includes the steps that one or a combination set of embodiment of the method when being executed.In addition, in each embodiment of the application
In each functional unit can be integrated in a processing module, can also be that each unit physically exists alone, can also two
A or more than two units are integrated in a module.The form that hardware had both may be used in above-mentioned integrated module is realized, also may be used
It is realized in the form of using software function module.If the integrated module realized in the form of software function module and as
Independent product sale in use, can also be stored in a computer read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
Embodiments herein is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as the limit to the application
System, those skilled in the art can be changed above-described embodiment, change, replace and become within the scope of application
Type.
Finally it should be noted that：Above example is only to illustrate the technical solution of the application, rather than its limitations；Although
The application is described in detail with reference to the foregoing embodiments, those skilled in the art are when understanding：It still can be with
Technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；And
These modifications or replacements, do not drive corresponding technical solution essence be detached from each embodiment technical solution of the application spirit and
Range.
Claims (11)
1. a kind of camera control method, which is characterized in that be applied to electronic device, the electronic device is provided with rotatably
Camera, the method includes：
When the camera starts, the currently used scene of the electronic device is detected；
Judge whether the currently used scene is recognition of face scene；
When the currently used scene is the recognition of face scene, the camera rotation is controlled, during rotation,
Recognition of face is carried out using preview image, until successfully identifying facial image.
2. according to the method described in claim 1, it is characterized in that, described when the currently used scene is recognition of face scene
When, the camera rotation is controlled, during rotation, recognition of face is carried out using preview image, until successfully identifying people
Face image, including：
When the currently used scene is recognition of face scene, present preview image is obtained；
The facial image in the present preview image is obtained, and the facial image is identified；
When facial image identification is unsuccessful, the camera rotation is controlled, during rotation, utilizes the preview
Image carries out recognition of face, until successfully identifying the facial image.
3. according to the method described in claim 2, it is characterized in that, described when facial image identification is unsuccessful, control
The camera rotation carries out recognition of face, until successfully identifying the face figure during rotation using preview image
Picture, including：
When facial image identification is unsuccessful, judge whether the facial image is complete facial image；
When the facial image is not complete facial image, position of the facial image in the present preview image is obtained
It sets；
The camera rotation is controlled according to the position, during rotation, face knowledge is carried out using the preview image
Not, until successfully identifying the facial image.
4. according to the method described in claim 3, it is characterized in that, described when the facial image is not complete facial image
When, the facial image is obtained in the position of the preview image terminal, and the camera is controlled according to the position and is rotated,
During rotation, recognition of face is carried out using the preview image, until successfully identifying the facial image, including：
When the facial image is not complete facial image, the position of the facial image and the present preview image is obtained
Relationship；
Rotation angle and the direction of rotation of the camera are calculated based on the position relationship；
The camera is controlled according to the rotation angle and the direction of rotation to rotate, during rotation, using described
Preview image carries out recognition of face, until successfully identifying the facial image.
5. according to the method described in claim 4, it is characterized in that, described control according to the rotation angle and the direction of rotation
The camera rotation is made, during rotation, recognition of face is carried out using the preview image, including：
When left area of the facial image in the present preview image, the camera is controlled towards the relatively described electronics
The left side of device rotates, and during rotation, recognition of face is carried out using the preview image, until successfully identifying the people
Face image；Or
When the facial image is in the right area of the present preview image, the camera is controlled towards the relatively described electronics
The right of device rotates, and during rotation, recognition of face is carried out using the preview image, until successfully identifying the people
Face image.
6. according to the method described in claim 1, it is characterized in that, described when the camera starts, the electronics is detected
The currently used scene of device, including：
When the camera starts, the application program for calling the camera is obtained；
The currently used scene of the electronic device is obtained based on the application program.
7. according to the method described in claim 1, it is characterized in that, the method, further includes：
Detect whether the camera has turned to maximum rotation angle in the camera rotation process；
When the camera has turned to the maximum rotation angle, the prompt message of display recognition of face failure.
8. a kind of camera shooting head controlling device, which is characterized in that be applied to electronic device, the electronic device is provided with rotatably
Camera, described device include：
Currently used scene detection module, for when the camera starts, detecting the currently used field of the electronic device
Scape；
Currently used scene judgment module, for judging whether the currently used scene is recognition of face scene；
Control module is rotated, for when the currently used scene is the recognition of face scene, controlling the camera and turning
It is dynamic, during rotation, recognition of face is carried out using preview image, until successfully identifying facial image.
9. a kind of electronic device, which is characterized in that including touch screen, memory and processor, the touch screen is deposited with described
Reservoir is couple to the processor, the memory store instruction, the when executed by the processor processing
Device executes such as claim 1-7 any one of them methods.
10. a kind of computer read/write memory medium for the program code that can perform with processor, which is characterized in that the journey
Sequence code makes the processor execute such as claim 1-7 any one of them methods.
11. a kind of electronic device, which is characterized in that including：
Rotatable camera, the camera is for obtaining preview image；
Circuit is connect with the camera, and the circuit includes detection circuit, driving circuit and processing circuit, the detection
Circuit is for detecting whether the currently used scene of the electronic device is recognition of face scene；The driving circuit is used for basis
The recognition of face scene controls the camera rotation；The processing circuit is used for during rotation, utilizes preview graph
As carrying out recognition of face, until successfully identifying facial image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810474598.6A CN108769514A (en) | 2018-05-17 | 2018-05-17 | Camera control method, device, electronic device and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474598.6A CN108769514A (en) | 2018-05-17 | 2018-05-17 | Camera control method, device, electronic device and storage medium |
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| CN108769514A true CN108769514A (en) | 2018-11-06 |
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| CN201810474598.6A Pending CN108769514A (en) | 2018-05-17 | 2018-05-17 | Camera control method, device, electronic device and storage medium |
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| CN111880711B (en) * | 2020-07-31 | 2022-02-01 | Oppo广东移动通信有限公司 | Display control method, display control device, electronic equipment and storage medium |
| CN111880711A (en) * | 2020-07-31 | 2020-11-03 | Oppo广东移动通信有限公司 | Display control method, display control device, electronic equipment and storage medium |
| CN113301250A (en) * | 2021-05-13 | 2021-08-24 | Oppo广东移动通信有限公司 | Image recognition method and device, computer readable medium and electronic equipment |
| CN113561908A (en) * | 2021-07-27 | 2021-10-29 | 奇瑞新能源汽车股份有限公司 | Control method and device of vehicle-mounted face recognition equipment |
| CN114419718A (en) * | 2022-03-10 | 2022-04-29 | 荣耀终端有限公司 | Electronic equipment and face recognition method |
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