CN108322670B - A kind of control method of multi-camera system, mobile terminal and storage medium - Google Patents
A kind of control method of multi-camera system, mobile terminal and storage medium Download PDFInfo
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- CN108322670B CN108322670B CN201810391291.XA CN201810391291A CN108322670B CN 108322670 B CN108322670 B CN 108322670B CN 201810391291 A CN201810391291 A CN 201810391291A CN 108322670 B CN108322670 B CN 108322670B
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
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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
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Abstract
The application is suitable for multi-camera system technical field, provide a kind of control method of multi-camera system, mobile terminal and computer readable storage medium, the control method includes: when receiving preset instructions, the acquisition parameters of the first camera in the multi-camera system are obtained according to current photo environment, the corresponding relationship between the acquisition parameters of first camera and the acquisition parameters of second camera is obtained from preset memory space, the second camera is the camera in the multi-camera system in addition to first camera, based on the corresponding relationship, according to the acquisition parameters of first camera of acquisition, obtain the acquisition parameters of the second camera, acquisition parameters based on first camera control the first camera collection image information, and the bat based on the second camera The acquisition image information of second camera described in state modulator is taken the photograph, the consumption of memory can be reduced by the application, reduce the processing time.
Description
Technical field
The application belongs to multi-camera system technical field more particularly to a kind of control method of multi-camera system, moves
Dynamic terminal and computer readable storage medium.
Background technique
Dual camera system refers to according to different application scenarios, the double colored camera lenses, color/monochrome camera lens, wide-angle of combination
Image enhancement or other special image effects may be implemented in telephoto lens and color depth camera lens etc., dual camera system.
Requirement with people to image is higher and higher, on the basis of the multi-camera system of two cameras composition, also develops
The multi-camera system of more than two cameras compositions.
Currently, each camera all has independent sensor in multi-camera system, meanwhile, to each camera
The adjusting of acquisition parameters is also independently to carry out.In this way, just will appear when the corresponding sensor of multiple cameras is run simultaneously
The problem that memory consumption is big, the processing time is long.
Summary of the invention
In view of this, the embodiment of the present application provides control method, mobile terminal and the calculating of a kind of multi-camera system
Machine readable storage medium storing program for executing, it is long to the control consumption memory of multi-camera system, processing time at present to solve the problems, such as.
The first aspect of the embodiment of the present application provides a kind of control method of multi-camera system, comprising:
When receiving preset instructions, the first camera in the multi-camera system is obtained according to current photo environment
Acquisition parameters；
From preset memory space obtain first camera acquisition parameters and second camera acquisition parameters it
Between corresponding relationship, the second camera is camera in addition to first camera in the multi-camera system；
Second camera shooting is obtained according to the acquisition parameters of first camera of acquisition based on the corresponding relationship
The acquisition parameters of head；
Acquisition parameters based on first camera control the first camera collection image information, and based on described
The acquisition parameters of second camera control the second camera and acquire image information.
The second aspect of the embodiment of the present application provides a kind of mobile terminal, comprising:
First shooting gain of parameter module, for obtaining institute according to current photo environment when receiving preset instructions
State the acquisition parameters of the first camera in multi-camera system；
Corresponding relationship obtains module, for obtaining the acquisition parameters and the of first camera from preset memory space
Corresponding relationship between the acquisition parameters of two cameras, the second camera are taken the photograph for described in the multi-camera system first
As the camera except head；
Second shooting gain of parameter module, for being based on the corresponding relationship, according to first camera of acquisition
Acquisition parameters obtain the acquisition parameters of the second camera；
Control module controls the first camera collection image letter for the acquisition parameters based on first camera
Breath, and control the second camera based on the acquisition parameters of the second camera and acquire image information.
The third aspect of the embodiment of the present application provides a kind of mobile terminal, including memory, processor and is stored in
In the memory and the computer program that can run on the processor, when the processor executes the computer program
The step of realizing the method that the embodiment of the present application first aspect provides.
The fourth aspect of the embodiment of the present application provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, and the computer program realizes the embodiment of the present application when being executed by one or more processors
On the one hand the step of the method provided.
5th aspect of the embodiment of the present application provides a kind of computer program product, and the computer program product includes
Computer program, the computer program realize that the embodiment of the present application first aspect provides when being executed by one or more processors
The method the step of.
The embodiment of the present application first obtains the bat of the first camera in the multi-camera system according to current photo environment
Parameter is taken the photograph, then according to the corresponding relationship between the acquisition parameters of the first camera and the acquisition parameters of second camera, is obtained
The acquisition parameters of the second camera, second camera be in the multi-camera system in addition to first camera
Camera, after obtaining the acquisition parameters of acquisition parameters and second camera of the first camera, so that it may based on described the
The acquisition parameters of one camera control the first camera collection image information, meanwhile, the bat based on the second camera
Take the photograph the acquisition image information of second camera described in state modulator.Since the acquisition parameters of second camera are by the corresponding pass
What system obtained, so the acquisition parameters of second camera reduce more camera shootings without individually determining according to current photo environment
The consumption of memory, also reduces the time of processing when multiple cameras use simultaneously in head system.
Detailed description of the invention
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the application
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of implementation process schematic diagram of the control method of multi-camera system provided by the embodiments of the present application；
Fig. 2 is the implementation process schematic diagram of the control method of another multi-camera system provided by the embodiments of the present application；
Fig. 3 is a kind of schematic block diagram of mobile terminal provided by the embodiments of the present application；
Fig. 4 is the schematic block diagram of another mobile terminal provided by the embodiments of the present application.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, so as to provide a thorough understanding of the present application embodiment.However, it will be clear to one skilled in the art that there is no these specific
The application also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, so as not to obscure the description of the present application with unnecessary details.
It should be appreciated that ought use in this specification and in the appended claims, term " includes " instruction is described special
Sign, entirety, step, operation, the presence of element and/or component, but be not precluded one or more of the other feature, entirety, step,
Operation, the presence or addition of element, component and/or its set.
It is also understood that mesh of the term used in this present specification merely for the sake of description specific embodiment
And be not intended to limit the application.As present specification and it is used in the attached claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singular, "one" and "the" are intended to include plural form.
It will be further appreciated that the term "and/or" used in present specification and the appended claims is
Refer to any combination and all possible combinations of one or more of associated item listed, and including these combinations.
As used in this specification and in the appended claims, term " if " can be according to context quilt
Be construed to " when ... " or " once " or " in response to determination " or " in response to detecting ".Similarly, phrase " if it is determined that " or
" if detecting [described condition or event] " can be interpreted to mean according to context " once it is determined that " or " in response to true
It is fixed " or " once detecting [described condition or event] " or " in response to detecting [described condition or event] ".
In order to illustrate technical solution described herein, the following is a description of specific embodiments.
Fig. 1 is a kind of implementation process schematic diagram of the control method of multi-camera system provided by the embodiments of the present application, such as
This method shown in scheming may comprise steps of:
Step S101 is obtained in the multi-camera system when receiving preset instructions according to current photo environment
The acquisition parameters of first camera.
It in the embodiment of the present application, include at least two cameras in the multi-camera system, it can be by multi-cam
One or more of system is known as the first camera.The preset instructions can be the pre-set instruction taken pictures,
The instruction that can also be preset time interval triggering, can also be other instructions certainly, herein with no restrictions, the default finger
Order can trigger the acquisition parameters that the first camera in the multi-camera system is obtained according to current photo environment.
As an example, user can be used as default finger by the instruction that the physical button taken pictures corresponding on mobile terminal issues
It enables, the acquisition parameters for obtaining the first camera in the multi-camera system according to current photo environment can be triggered；May be used also
To be, the shooting of the first camera in the multi-camera system is obtained according to current photo environment at interval of triggering in 3 seconds
Parameter is provided with timer on the mobile terminal where the multi-camera system, and the timing time of timer was 3 seconds, 6
Second ... it triggers at 3n seconds and is joined according to the shooting that current photo environment obtains the first camera in the multi-camera system
Number, the integer that wherein n is >=1.
The acquisition parameters include: time for exposure and/or f-number；
Correspondingly, the current photo environment of the basis obtains the shooting ginseng of the first camera in the multi-camera system
Number includes:
The light exposure of the first camera under automatic mode is determined according to the light intensity of current photo environment；
Based on current exposure mode, when obtaining the exposure of the first camera according to the light exposure of the first determining camera
Between and/or f-number.
In the embodiment of the present application, the free schema indicates that some acquisition parameters are adjusted by equipment itself in exposure process
Section, it is manually adjusted without user, which can preset, such as the parameters such as aperture, aperture time.Camera is clapped
The quality for the photo taken the photograph is related with light exposure, popular understanding, is exactly the clarity of image and sensor experience how many
Light is related, and light exposure is exactly to measure an index of the light that sensor receives, and the light that sensor receives is very big
It is related with the light intensity of photo environment in degree.Automatic photometric system, automatic photometric system can be set on mobile terminals
The numerical value of measurement can be used as the light intensity of photo environment.So the application can be measured currently by automatic photometric system
Then the light intensity of photo environment determines the light exposure of the first camera according to the light intensity of current photo environment, for example,
When light intensity is A, being correspondingly arranged light exposure is a, and when light intensity is B, being correspondingly arranged light exposure is b etc..
After the light exposure that the first camera has been determined, it is necessary to time for exposure and/or light by the first camera
Circle value adjusts the light exposure of the first camera.In practical applications, light exposure can be adjusted by the time for exposure, can also passed through
Aperture adjusts light exposure, and adjusting light exposure by the time for exposure is adjusted by the speed of shutter, is adjusted and is exposed by aperture
Amount is adjusted by the size of aperture.If light exposure be it is certain, when the speed of shutter is fast, aperture will be larger, fastly
When the speed of door is slow, aperture is with regard to smaller.The combination of aperture and shutter is formed light exposure, in the certain situation of light exposure
Under, this combination is not unique.However, different combinations will be obtained based on different exposure modes.Exposure mode can be with
It include: that shutter speed centainly changes aperture, aperture centainly changes shutter speed, it is also possible to which the two changes；As an example, true
Determine to obtain corresponding light exposure by changing f-number in the case where the speed of shutter；It is most at present there are also a kind of situation
The aperture of camera in mobile phone can not change, and indicate that f-number can not change, it is necessary to change the speed of shutter,
Namely the change time for exposure obtains corresponding light exposure.In practical application, aperture size is indicated by f value, institute
Aperture size is indicated with f-number with us.
As the another embodiment of the application, the acquisition parameters further include: brightness gain values；
Correspondingly, the current photo environment of the basis obtains the shooting ginseng of the first camera in the multi-camera system
Number further include:
The first camera shooting is obtained according to the time for exposure of the light intensity of current photo environment and the first camera of determination
The brightness gain values of head.
In the embodiment of the present application, luminance gain indicates charge-coupled device (charge coupled in camera
Device, CCD) or complementary metal oxide semiconductor (Complementary Metal Oxide Semiconductor,
CMOS) the photosensitive speed of photosensitive element.The namely speed of the sensor photosensitive of camera.For the mobile end that aperture is fixed
For end, time for exposure and luminance gain are also that needs are mutually coordinated.In practical application, the time for exposure can be preferentially adjusted,
Under the premise of not overexposure, the increase time for exposure can increase signal-to-noise ratio, make image clearly.Certainly, it takes pictures light is very weak
Under environment, the time for exposure can not infinitely increase, because as the increase noise of time for exposure can also accumulate, or shooting movement
Object when wish that the speed of shutter is quicker.Luminance gain is typically just weak in light, but is not desired to increase the feelings of time for exposure
It is used under condition, general luminance gain all generates very big noise.In different brightness gain values, the image quality of image is different,
Brightness gain values are smaller, and noise is smaller；Brightness gain values are bigger, and noise is more.The ISO of digital camera is also the embodiment of the present application
The luminance gain of middle meaning increases ISO value, is the sensitivity for increasing sensor devices to light.High sensitivity is sensitive to low illumination, together
When it is also sensitive to noise signal, signal-to-noise ratio is small, thus high sensitivity generate image noise it is also more.
Popular understanding, adjusting brightness gain values is exactly to change ISO value, changes the photosensitive property of sensor devices, but meeting
Influence image quality.Adjusting the time for exposure is then to change shutter speed, and not changing ISO value will not influence image quality.According to above
Analysis, it can be deduced that if desired adjust the brightness gain values of the first camera, then the brightness gain values of the first camera can be with
It is obtained by the time for exposure of the first camera of the light intensity and determination of current photo environment.
The time for exposure of first camera of the light intensity and determination of the current photo environment of basis obtains first
The brightness gain values of camera include:
The light intensity corresponding theoretical time for exposure for calculating current photo environment, according to the theoretical time for exposure and institute
The difference for stating the time for exposure of the first camera determines the brightness gain values of first camera.
In the embodiment of the present application, as previously mentioned, the time for exposure cannot be unlimited increase, so, can not in the time for exposure
In the case where continuing growing, adjustable brightness gain values are managed for example, can be calculated by the light intensity of current photo environment
By the time for exposure, then the difference of the time for exposure of theoretical time for exposure and the first camera obtained is calculated, the first camera
The reason of difference of time for exposure and theoretical time for exposure is exactly that unconfined cannot increase the time for exposure, finally according to the difference
Value can determine the brightness gain values of first camera.
In practical application, the acquisition parameters of the first camera can also include other acquisition parameters, for example, focal length, backlight
Compensation, white balance, signal-to-noise ratio etc., herein a different citing.
Step S102 obtains the bat of the acquisition parameters and second camera of first camera from preset memory space
Take the photograph the corresponding relationship between parameter, the second camera be in the multi-camera system in addition to first camera
Camera.
It in the embodiment of the present application, include at least two cameras in the multi-camera system, according to multi-cam system
One of them can be used as main camera by the mutual cooperation relationship in system between multiple cameras, other to be used as secondary camera,
For example, the image of colour imagery shot acquisition is colored in the multi-camera system formed with colour imagery shot and black and white camera
, the image of black and white camera acquisition is black and white, and colour imagery shot is known as main camera, black and white camera is known as pair and is taken the photograph
As head；Alternatively, a camera of composition multi-camera system is responsible for acquiring color image, another camera is responsible for recording scape
The image informations such as depth, contrast, physical contours, the camera that can will be responsible for acquisition color image are known as main camera, will bear
The camera of the image informations such as the duty acquisition depth of field, contrast, physical contours is known as secondary camera.Certainly, in practical application, composition
It is also possible to the relationship of equality between the camera of multi-camera system, there is no points of major-minor.If in multi-camera system
There are points of major-minor, main camera can be known as the first camera, secondary camera is known as second camera, if more camera shootings
It is the relationship of equality between camera there is no point of major-minor in head system, then can be known as first for any one or more
Camera, and the camera except the first camera described in the multi-camera system is known as second camera.It is more if it exists
A first camera, it is also necessary to which the corresponding second camera of each first camera is set.For example, multi-camera system includes:
Camera 1, camera 2, camera 3, camera 4, camera 5, camera 6, camera 7, camera 8 can be taken the photograph first
As head is arranged are as follows: camera 1, camera 2, then second camera is just are as follows: camera 3, camera 4, camera 5, camera
6, camera 7, camera 8, since there are two the first cameras, it is possible to be arranged camera 1 in the first camera with
Camera 3, camera 4 in second camera are corresponding relationship, in the camera 2 and second camera in the first camera
Camera 5, camera 6, camera 7, camera 8 be corresponding relationship, camera 3, camera 4 acquisition parameters according to camera
1 acquisition parameters obtain, camera 5, camera 6, camera 7, camera 8 acquisition parameters joined according to the shooting of camera 2
Number obtains.Corresponding relationship between the acquisition parameters of first camera and the acquisition parameters of second camera can be deposited in advance
Storage is in preset memory space.
Step S103 is based on the corresponding relationship, according to the acquisition parameters of first camera of acquisition, described in acquisition
The acquisition parameters of second camera.
It in the embodiment of the present application, can be by the ratio of the acquisition parameters of the acquisition parameters of the first camera and second camera
Value calculates storage, can calculate acquisition second according to the acquisition parameters of the first camera by pre-stored ratio and take the photograph
As the acquisition parameters of head.
Step S104, the acquisition parameters based on first camera control the first camera collection image information,
And the second camera is controlled based on the acquisition parameters of the second camera and acquires image information.
In the embodiment of the present application, after calculating the acquisition parameters for obtaining the first camera, not at once by described
The acquisition parameters of first camera control the first camera collection image, but are first calculated according to the acquisition parameters of the first camera
The acquisition parameters for obtaining second camera, obtain it in the acquisition parameters of the first camera and the acquisition parameters of second camera
Afterwards, then simultaneously the acquisition parameters based on first camera control the first camera collection image information, based on described
The acquisition parameters of second camera control the second camera and acquire image information.In this way, two cameras could be adopted simultaneously
Collect the image information of target area.Described image information is not necessarily refer to image itself, be also possible to the depth of field for including in image,
Other information relevant to image such as contour of object.
The embodiment of the present application first obtains the bat of the first camera in the multi-camera system according to current photo environment
Parameter is taken the photograph, then according to the corresponding relationship between the acquisition parameters of the first camera and the acquisition parameters of second camera, is obtained
The acquisition parameters of the second camera, second camera be in the multi-camera system in addition to first camera
Camera, after obtaining the acquisition parameters of acquisition parameters and second camera of the first camera, so that it may based on described the
The acquisition parameters of one camera control the first camera collection image information, meanwhile, the bat based on the second camera
Take the photograph the acquisition image information of second camera described in state modulator.Since the acquisition parameters of second camera are by the corresponding pass
What system obtained, so the acquisition parameters of second camera reduce more camera shootings without individually obtaining according to current photo environment
The consumption of memory, also reduces the time of processing when multiple cameras use simultaneously in head system.
Fig. 2 is the flow diagram of the control method of another multi-camera system provided by the embodiments of the present application, application
In the mobile terminal including multi-camera system, this method as shown in the figure be may comprise steps of:
Step S201 monitors the movement by the acceleration transducer of the mobile terminal where the multi-camera system
The acceleration of terminal, and monitor by the gyroscope of the mobile terminal angular speed of the mobile terminal.
Step S202 determines the movement of the mobile terminal according to the acceleration and angular speed of the mobile terminal of monitoring
Amplitude.
In the embodiment of the present application, acceleration transducer and gyroscope, the acceleration of mobile terminal are provided in mobile terminal
Degree sensor can monitor the acceleration of the mobile terminal, and the gyroscope of mobile terminal monitors the angle speed of the mobile terminal
Degree, the motion amplitude of mobile terminal can be determined by the acceleration and angular speed of monitoring.
Step S203, after the motion amplitude for monitoring the mobile terminal is respectively less than preset value within preset time,
The acquisition parameters of the first camera in the multi-camera system are calculated according to current photo environment.
In the embodiment of the present application, if the motion amplitude of mobile terminal is respectively less than preset value within preset time,
Indicate that user currently prepares to take pictures, because it is quiet to control as far as possible mobile terminal in order to obtain relatively good effect of taking pictures by user
Only, it then takes pictures again, however, mobile terminal can not be remain stationary completely in practical application, so, it can be set pre-
If value, in the case where the motion amplitude of mobile terminal is respectively less than preset value within preset time, mean that mobile terminal is protected
Hold stationary state.As an example, for example, the acceleration of mobile terminal within preset time less than the first preset value, it is mobile eventually
The angular speed at end is within preset time less than the second preset value.In the motion amplitude for meeting the mobile terminal when default
Between within be respectively less than preset value after, so that it may triggering calculates in the multi-camera system first according to current photo environment and takes the photograph
As the acquisition parameters of head.
It is preset by above-mentioned analysis it is found that monitoring that the motion amplitude of the mobile terminal is respectively less than within preset time
The information of value can also be used as preset instructions for trigger according in the current photo environment calculating multi-camera system the
The acquisition parameters of one camera.In practical applications, the motion amplitude of the mobile terminal can monitored in preset time
Within be respectively less than preset value after, issue an instruction, and using the instruction of sending as preset instructions, mobile terminal is being received
After the preset instructions, the acquisition parameters of the first camera in the multi-camera system are calculated according to current photo environment.
The operation for issuing preset instructions and the operation for receiving preset instructions are to realize inside mobile terminal, can be by mobile terminal
One of module (such as preset instructions generation module in embodiment illustrated in fig. 3) in portion issues preset instructions, mobile terminal
Another internal module (such as first shooting gain of parameter module in embodiment illustrated in fig. 3) receives preset instructions.
Step S204 adjusts first camera and the second camera respectively under at least two photo environments,
Obtain the acquisition parameters of corresponding first camera of each photo environment and the acquisition parameters of the second camera.
In the embodiment of the present application, the acquisition parameters of first camera and the acquisition parameters of second camera can be with moulds
It is quasi- to obtain, first camera can also be adjusted respectively under multiple photo environments and second camera acquisition is corresponding
The acquisition parameters of first camera and the acquisition parameters of second camera, for example, first camera and second camera shooting
Head adjusts respective acquisition parameters respectively as independent camera, corresponding under multiple photo environments this makes it possible to obtain
First camera acquisition parameters and the second camera acquisition parameters.For example,
First photo environment a, the acquisition parameters xai of the first camera, the acquisition parameters yai of second camera,
First photo environment b, the acquisition parameters xbi of the first camera, the acquisition parameters ybi of second camera,
First photo environment c, the acquisition parameters xci of the first camera, the acquisition parameters yci ... ... of second camera
The photo environment can indicate that the acquisition parameters of the first camera can have more with the light intensity of photo environment
A, corresponding, the acquisition parameters of second camera also have multiple.
Step S205, acquisition parameters and second camera shooting based on corresponding first camera of each photo environment
The acquisition parameters of head, the list for establishing the acquisition parameters of first camera and the acquisition parameters of the second camera are corresponding
Relationship, and the list corresponding relationship is stored in preset memory space.
As another embodiment of the application, it is also based on the shooting of corresponding first camera of each photo environment
The acquisition parameters of parameter and the second camera establish the acquisition parameters and the second camera of first camera
The function corresponding relationship of acquisition parameters, and the function corresponding relationship is stored in preset memory space.
In the embodiment of the present application, step S205 and the application another embodiment are corresponding based on multiple photo environments
The acquisition parameters of first camera and the acquisition parameters of the second camera establish the shooting ginseng of first camera
The different embodiments of the corresponding relationship of several and the second camera acquisition parameters in practical applications can be according to step
It illustrates in S204 the shooting ginseng of the acquisition parameters of corresponding first camera and second camera under each photo environment of acquisition
Number establishes the list corresponding relationship of the acquisition parameters of the acquisition parameters and second camera of the first camera under different photo environments.
By taking acquisition parameters are the time for exposure as an example, by the time for exposure of the time for exposure of the first camera and second camera
Then ratio calculated is obtained with the time for exposure and second of corresponding first camera of light intensity of each photo environment
The time for exposure ratio calculated of camera, by the time for exposure of corresponding first camera of the light intensity of each photo environment and
The time for exposure ratio calculated of second camera establishes tabulated relationship, for example, light intensity A, the time for exposure of the first camera
With the ratio K A of the time for exposure of second camera,
Light intensity B, the ratio K B of the time for exposure of the time for exposure and second camera of the first camera,
Light intensity C, the ratio K C ... ... of the time for exposure of the time for exposure and second camera of the first camera.
Light intensity A, B, C can be specific value, be also possible to the value range obtained according to specific value, can cover
Lid automatic photometric system is possible to the whole light intensity ranges measured, no longer limits herein.
Likewise, can also be according to corresponding first camera under each photo environment for acquisition of illustrating in step S204
The acquisition parameters of acquisition parameters and second camera are established the acquisition parameters of the first camera and second under different photo environments and are taken the photograph
As the function corresponding relationship of the acquisition parameters of head.
Or by taking acquisition parameters are the time for exposure as an example, first can be established according to the list corresponding relationship of the example above and taken the photograph
As the functional relation that the ratio of the time for exposure of the time for exposure and second camera of head changes with light intensity, in this way, passing through
The time for exposure and second that function corresponding relationship can accurately calculate corresponding first camera of each light intensity value takes the photograph
As the ratio of the time for exposure of head.
Certainly, in practical application, other functional relations can also be established, for example, using different light intensities as difference
Sampled point, simulate the functional relation that time for exposure of second camera changes with the time for exposure of the first camera, herein not
It is limited.
In the corresponding relationship of the acquisition parameters for the acquisition parameters and the second camera for obtaining first camera
Later, it is necessary to which the corresponding relationship is stored in preset memory space.
Step S206 obtains the bat of the acquisition parameters and second camera of first camera from preset memory space
Take the photograph the corresponding relationship between parameter.
Step S207 is based on the corresponding relationship, according to the acquisition parameters of first camera of acquisition, described in acquisition
The acquisition parameters of second camera.
Step S208, the acquisition parameters based on first camera control the first camera collection image information,
And the second camera is controlled based on the acquisition parameters of the second camera and acquires image information.
The content of step S206 to step S208 can refer to the description of S102 to step S104 in embodiment illustrated in fig. 1,
This is repeated no more.
On the basis of embodiment illustrated in fig. 2 embodiment shown in Fig. 1, the shooting ginseng that triggering calculates the first camera is increased
Several conditions has also refined the correspondence between the acquisition parameters of acquisition parameters and second camera how to establish the first camera
Relationship.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present application constitutes any limit
It is fixed.
Fig. 3 is a kind of schematic block diagram of mobile terminal provided by the embodiments of the present application, for ease of description, is only shown and this
Apply for the relevant part of embodiment.
The mobile terminal 3 can be built in it is soft in the existing mobile terminal such as mobile phone, tablet computer, camera
The unit of part unit, hardware cell or soft or hard combination can also be used as independent pendant and be integrated into the existing such as hand
In the mobile terminals such as machine, tablet computer, camera, it is also used as independent mobile terminal and exists.
The mobile terminal 3 includes:
First shooting gain of parameter module 31, for being obtained according to current photo environment when receiving preset instructions
The acquisition parameters of first camera in the multi-camera system；
Corresponding relationship obtain module 32, for obtained from preset memory space first camera acquisition parameters and
Corresponding relationship between the acquisition parameters of second camera, the second camera are in the multi-camera system except described the
Camera except one camera；
Second shooting gain of parameter module 33, for being based on the corresponding relationship, according to first camera of acquisition
Acquisition parameters, obtain the acquisition parameters of the second camera；
Control module 34 controls first camera collection image for the acquisition parameters based on first camera
Information, and control the second camera based on the acquisition parameters of the second camera and acquire image information.
Optionally, the acquisition parameters include: time for exposure and/or f-number；
Correspondingly, the first shooting gain of parameter module 31 includes:
Exposure determining unit 311, for determining under free schema that first takes the photograph according to the light intensity of current photo environment
As the light exposure of head；
Exposure parameter determination unit 312, for based on current exposure mode, according to the exposure of the first determining camera
Amount obtains time for exposure and/or the f-number of the first camera.
Optionally, the acquisition parameters further include: brightness gain values；
Correspondingly, the first shooting gain of parameter module 31 further include:
Yield value determination unit 313, for according to the light intensity of current photo environment and the first camera of determination
Time for exposure obtain the first camera brightness gain values.
Optionally, the yield value determination unit 313 is also used to:
The light intensity corresponding theoretical time for exposure for calculating current photo environment, according to the theoretical time for exposure and institute
The difference for stating the time for exposure of the first camera determines the brightness gain values of first camera.
Optionally, the mobile terminal 3 further include:
Module 35 is obtained, for taking the photograph obtaining the acquisition parameters of first camera and second from preset memory space
As head acquisition parameters between corresponding relationship before, adjusted respectively under at least two photo environments first camera and
The second camera obtains the acquisition parameters and the second camera of corresponding first camera of each photo environment
Acquisition parameters；
First corresponding relation building module 36, for the shooting based on corresponding first camera of each photo environment
The acquisition parameters of parameter and the second camera establish the acquisition parameters and the second camera of first camera
The list corresponding relationship of acquisition parameters, and the list corresponding relationship is stored in preset memory space；
Or,
Second corresponding relation building module 37, for the shooting based on corresponding first camera of each photo environment
The acquisition parameters of parameter and the second camera establish the acquisition parameters and the second camera of first camera
The function corresponding relationship of acquisition parameters, and the function corresponding relationship is stored in preset memory space.
Optionally, the first shooting gain of parameter module 31 is also used to:
When receiving photographing instruction, the first camera in the multi-camera system is calculated according to current photo environment
Acquisition parameters.
Optionally, the mobile terminal 3 further include:
Monitoring modular, for obtaining the multi-cam system according to current photo environment when receiving preset instructions
In system before the acquisition parameters of the first camera, pass through the acceleration transducer of the mobile terminal where the multi-camera system
The acceleration of the mobile terminal is monitored, and monitors the angular speed of the mobile terminal by the gyroscope of the mobile terminal；
Motion amplitude confirmation module, the acceleration and angular speed for the mobile terminal according to monitoring determine the shifting
The motion amplitude of dynamic terminal；
Preset instructions generation module, for monitor the motion amplitude within preset time be respectively less than preset value
Afterwards, preset instructions are issued.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of the mobile terminal is divided into different functional unit or module, to complete
All or part of function described above.Each functional unit in embodiment, module can integrate in one processing unit,
It is also possible to each unit to physically exist alone, can also be integrated in one unit with two or more units, above-mentioned collection
At unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function
Unit, module specific name be also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above-mentioned dress
The specific work process for setting middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
Fig. 4 is the schematic block diagram of another mobile terminal provided by the embodiments of the present application.As shown in figure 4, the embodiment
Mobile terminal 4 includes: one or more processors 40, memory 41 and is stored in the memory 41 and can be at the place
The computer program 42 run on reason device 40.The processor 40 realizes above-mentioned each take the photograph more when executing the computer program 42
As head system control method embodiment in step, such as step S101 to S104 shown in FIG. 1.Alternatively, the processor
The function of each module/unit in above-mentioned mobile terminal embodiment is realized when the 40 execution computer program 42, such as shown in Fig. 3
The function of module 31 to 34.
Illustratively, the computer program 42 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 41, and are executed by the processor 40, to complete the application.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, which is used for
Implementation procedure of the computer program 42 in the mobile terminal 4 is described.For example, the computer program 42 can be divided
It is cut into the first shooting gain of parameter module, corresponding relationship obtains module, the second shooting gain of parameter module, control module.
The first shooting gain of parameter module, for being obtained according to current photo environment when receiving preset instructions
Obtain the acquisition parameters of the first camera in the multi-camera system；
The corresponding relationship obtains module, for obtaining the acquisition parameters of first camera from preset memory space
Corresponding relationship between the acquisition parameters of second camera, the second camera are in the multi-camera system except described
Camera except first camera；
The second shooting gain of parameter module, for being based on the corresponding relationship, according to first camera shooting of acquisition
The acquisition parameters of head, obtain the acquisition parameters of the second camera；
The control module controls the first camera acquisition figure for the acquisition parameters based on first camera
As information, and the second camera is controlled based on the acquisition parameters of the second camera and acquires image information.
Other modules or unit can refer to the description in embodiment shown in Fig. 3, and details are not described herein.
The mobile terminal includes but are not limited to processor 40, memory 41.It will be understood by those skilled in the art that figure
4 be only an example of mobile terminal 4, does not constitute the restriction to mobile terminal 4, may include more more or less than illustrating
Component, perhaps combine certain components or different components, for example, the mobile terminal can also include input equipment, it is defeated
Equipment, network access equipment, bus etc. out.
The processor 40 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 41 can be the internal storage unit of the mobile terminal 4, such as the hard disk or interior of mobile terminal 4
It deposits.The memory 41 is also possible to the External memory equipment of the mobile terminal 4, such as be equipped on the mobile terminal 4
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card dodge
Deposit card (Flash Card) etc..Further, the memory 41 can also both include the storage inside list of the mobile terminal 4
Member also includes External memory equipment.The memory 41 is for storing needed for the computer program and the mobile terminal
Other programs and data.The memory 41 can be also used for temporarily storing the data that has exported or will export.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
In embodiment provided herein, it should be understood that disclosed mobile terminal and method can pass through it
Its mode is realized.For example, mobile terminal embodiment described above is only schematical, for example, the module or list
Member division, only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or
Component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point is shown
The mutual coupling or direct-coupling or communication connection shown or discussed can be through some interfaces, between device or unit
Coupling or communication connection are connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the application realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program generation
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..The computer-readable medium
It may include: any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic that can carry the computer program code
Dish, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium includes can carry out increasing appropriate according to the requirement made laws in jurisdiction with patent practice
Subtract, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium do not include be electric carrier signal and
Telecommunication signal.
Embodiment described above is only to illustrate the technical solution of the application, rather than its limitations；Although referring to aforementioned reality
Example is applied the application is described in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution should all
Comprising within the scope of protection of this application.
Claims (9)
1. a kind of control method of multi-camera system characterized by comprising
When receiving preset instructions, the bat of the first camera in the multi-camera system is obtained according to current photo environment
Take the photograph parameter；
It is obtained from preset memory space between the acquisition parameters of first camera and the acquisition parameters of second camera
Corresponding relationship, the second camera are the camera in the multi-camera system in addition to first camera；
The second camera is obtained according to the acquisition parameters of first camera of acquisition based on the corresponding relationship
Acquisition parameters；
Acquisition parameters based on first camera control the first camera collection image information, and are based on described second
The acquisition parameters of camera control the second camera and acquire image information；
Between the acquisition parameters of acquisition parameters and second camera for obtaining first camera from preset memory space
Corresponding relationship before, further includes:
It adjusts first camera and the second camera respectively under at least two photo environments, obtains ring of each taking pictures
The acquisition parameters of corresponding first camera in border and the acquisition parameters of the second camera；
The acquisition parameters of acquisition parameters and the second camera based on corresponding first camera of each photo environment,
The list corresponding relationship of the acquisition parameters of first camera and the acquisition parameters of the second camera is established, and will be described
List corresponding relationship is stored in preset memory space；
Or,
The acquisition parameters of acquisition parameters and the second camera based on corresponding first camera of each photo environment,
The function corresponding relationship of the acquisition parameters of first camera and the acquisition parameters of the second camera is established, and will be described
Function corresponding relationship is stored in preset memory space.
2. the control method of multi-camera system as described in claim 1, which is characterized in that the acquisition parameters include: to expose
Between light time and/or f-number；
Correspondingly, the current photo environment of the basis obtains the acquisition parameters packet of the first camera in the multi-camera system
It includes:
The light exposure of the first camera under automatic mode is determined according to the light intensity of current photo environment；
Based on current exposure mode, the time for exposure of the first camera is obtained according to the light exposure of the first determining camera
And/or f-number.
3. the control method of multi-camera system as claimed in claim 2, which is characterized in that the acquisition parameters further include:
Brightness gain values；
Correspondingly, the current photo environment of the basis obtains the acquisition parameters of the first camera in the multi-camera system also
Include:
The first camera is obtained according to the time for exposure of the light intensity of current photo environment and the first camera of determination
Brightness gain values.
4. the control method of multi-camera system as claimed in claim 3, which is characterized in that the current photo environment of basis
Light intensity and determination the first camera time for exposure obtain the first camera brightness gain values include:
The light intensity corresponding theoretical time for exposure for calculating current photo environment, according to the theoretical time for exposure and described the
The difference of the time for exposure of one camera determines the brightness gain values of first camera.
5. such as the control method of the described in any item multi-camera systems of Claims 1-4, which is characterized in that described to receive
When to preset instructions, the acquisition parameters packet of the first camera in the multi-camera system is obtained according to current photo environment
It includes:
When receiving photographing instruction, the bat of the first camera in the multi-camera system is calculated according to current photo environment
Take the photograph parameter.
6. such as the control method of the described in any item multi-camera systems of Claims 1-4, which is characterized in that pre- receiving
If being obtained in the multi-camera system before the acquisition parameters of the first camera when instruction according to current photo environment, also
Include:
The acceleration of the mobile terminal is monitored by the acceleration transducer of the mobile terminal where the multi-camera system,
And the angular speed of the mobile terminal is monitored by the gyroscope of the mobile terminal；
The motion amplitude of the mobile terminal is determined according to the acceleration and angular speed of the mobile terminal of monitoring；It is monitoring
After the motion amplitude is respectively less than preset value within preset time, preset instructions are issued.
7. a kind of mobile terminal characterized by comprising
First shooting gain of parameter module, for obtaining more camera shootings according to current photo environment when receiving preset instructions
The acquisition parameters of first camera in head system；
Corresponding relationship obtains module, takes the photograph for obtaining the acquisition parameters of first camera and second from preset memory space
As head acquisition parameters between corresponding relationship, the second camera be the multi-camera system in except it is described first camera shooting
Camera except head；
Module is obtained, in the acquisition parameters and second camera for obtaining first camera from preset memory space
Before corresponding relationship between acquisition parameters, first camera and described are adjusted respectively under at least two photo environments
Two cameras obtain the shooting of the acquisition parameters and the second camera of corresponding first camera of each photo environment
Parameter；
First corresponding relation building module, for based on corresponding first camera of each photo environment acquisition parameters and
The acquisition parameters of the second camera establish the acquisition parameters of first camera and the shooting ginseng of the second camera
Several list corresponding relationships, and the list corresponding relationship is stored in preset memory space；
Or,
Second corresponding relation building module, for based on corresponding first camera of each photo environment acquisition parameters and
The acquisition parameters of the second camera establish the acquisition parameters of first camera and the shooting ginseng of the second camera
Several function corresponding relationships, and the function corresponding relationship is stored in preset memory space；
Second shooting gain of parameter module, for being based on the corresponding relationship, according to the shooting of first camera of acquisition
Parameter obtains the acquisition parameters of the second camera；
Control module controls the first camera collection image information for the acquisition parameters based on first camera,
And the second camera is controlled based on the acquisition parameters of the second camera and acquires image information.
8. a kind of mobile terminal, including memory, processor and storage are in the memory and can be on the processor
The computer program of operation, which is characterized in that the processor realizes such as claim 1 to 6 when executing the computer program
The step of any one the method.
9. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey
Sequence realizes the step such as any one of claim 1 to 6 the method when the computer program is executed by one or more processors
Suddenly.
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| CN109379535A (en) * | 2018-11-30 | 2019-02-22 | Oppo广东移动通信有限公司 | Image pickup method and device, electronic equipment, computer readable storage medium |
| CN109495689B (en) * | 2018-12-29 | 2021-04-13 | 北京旷视科技有限公司 | Shooting method and device, electronic equipment and storage medium |
| CN112333380B (en) | 2019-06-24 | 2021-10-15 | 华为技术有限公司 | Shooting method and equipment |
| CN111049983B (en) * | 2019-12-13 | 2024-02-27 | 上海传英信息技术有限公司 | Terminal control method, terminal and computer readable storage medium |
| CN116320782B (en) * | 2019-12-18 | 2024-03-26 | 荣耀终端有限公司 | Control method, electronic equipment, computer readable storage medium and chip |
| CN110987183A (en) * | 2019-12-27 | 2020-04-10 | 广州极飞科技有限公司 | Multispectral imaging system and method |
| WO2021184239A1 (en) * | 2020-03-18 | 2021-09-23 | 深圳市大疆创新科技有限公司 | Exposure method and apparatus, photographing device, movable platform, and storage medium |
| JP7552076B2 (en) * | 2020-05-28 | 2024-09-18 | セイコーエプソン株式会社 | Imaging device, portable terminal device, and imaging method |
| CN111917950B (en) * | 2020-06-30 | 2022-07-22 | 北京迈格威科技有限公司 | Image processing method, image processing device, electronic equipment and storage medium |
| CN114095641A (en) * | 2020-07-21 | 2022-02-25 | 珠海格力电器股份有限公司 | Image display method and device |
| CN114339022B (en) * | 2020-09-30 | 2024-02-02 | 北京小米移动软件有限公司 | Camera shooting parameter determining method and neural network model training method |
| CN113156408B (en) * | 2021-03-19 | 2024-07-12 | 奥比中光科技集团股份有限公司 | Contrast calibration method, device and equipment |
| CN113163069B (en) * | 2021-04-29 | 2023-04-21 | 成都微宇科技有限责任公司 | Aerial photographing method and device, aerial photographing instrument and aerial photographing system |
| CN113890992A (en) * | 2021-09-23 | 2022-01-04 | 惠州视维新技术有限公司 | Image processing method, image processing device, electronic equipment and storage medium |
| CN113810618B (en) * | 2021-10-29 | 2023-10-24 | 北京环境特性研究所 | Image acquisition device and acquisition system |
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