CN106131416B - Zoom processing method, device and the mobile terminal of dual camera - Google Patents
Zoom processing method, device and the mobile terminal of dual camera Download PDFInfo
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- CN106131416B CN106131416B CN201610571816.9A CN201610571816A CN106131416B CN 106131416 B CN106131416 B CN 106131416B CN 201610571816 A CN201610571816 A CN 201610571816A CN 106131416 B CN106131416 B CN 106131416B
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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
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
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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
-
- 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
- H04N23/67—Focus control based on electronic image sensor signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
Abstract
The present invention proposes zoom processing method, device and the mobile terminal of a kind of dual camera, wherein, the zoom processing method of the dual camera, comprising the following steps: detect and start main camera when user opens camera, and detect whether user triggers zoom amplifying operation；If the user triggers zoom and is enlarged, start secondary camera, and the second preview image that the first preview image obtained according to the main camera and the secondary camera obtain generates synthesis preview image；It detects that user stops starting timing when the zoom is enlarged, if the user does not trigger the zoom amplifying operation again within a preset time, reduces the frame per second of camera.The zoom processing method of the dual camera of the embodiment of the present invention can effectively promote the available work duration and working efficiency of capture apparatus while guaranteeing user's focusing experience and taking pictures effect.
Description
Technical field
The present invention relates to shooting processing technology field, in particular to the zoom processing method of a kind of dual camera, device and
Mobile terminal.
Background technique
Currently, can realize zoom function by dual camera on more and more mobile terminals.Wherein, dual camera is set
Meter is mainly made of the camera of the camera of wide-angle and a focal length.It realizes the principle of zoom are as follows: opens camera shooting
After head, while entering wide-angle camera (being also referred to as main camera) and focal length camera (also referred to as secondary camera), two are taken the photograph
For user's preview after being synthesized as the picture of head.When user will use zoom function, frame can be amplified by touch screen and be put
Big operation, at this point, the image accounting of main camera can be reduced slowly, the image accounting of secondary camera can slowly increase, and be closed
At display, to reach the function of zoom.However, realizing the mobile terminal of zoom function above by dual camera, two are needed
A camera works at the same time, and causes the electric energy of mobile terminal and resource consumption larger, reduces working time and the work of mobile terminal
Make efficiency.
Summary of the invention
The present invention is directed to solve above-mentioned technical problem at least to a certain extent.
For this purpose, the first purpose of this invention is to propose a kind of zoom processing method of dual camera, can guarantee
User focus experience and take pictures effect while, reduce power consumption, the available work duration and working efficiency of effective lifting means.
Second object of the present invention is to propose a kind of zoom processing unit of dual camera.
Third object of the present invention is to propose a kind of mobile terminal.
Fourth object of the present invention is to propose another mobile terminal.
In order to achieve the above object, embodiment proposes a kind of zoom processing side of dual camera according to a first aspect of the present invention
Method, comprising the following steps:
It detects and starts main camera when user opens camera, and detect whether user triggers zoom amplifying operation；
If the user triggers zoom and is enlarged, start secondary camera, and obtained according to the main camera
The second preview image that first preview image and the secondary camera obtain generates synthesis preview image；
Detect that user stops starting timing when the zoom is enlarged, if the user does not have within a preset time
The zoom is triggered again to be enlarged, then reduces the frame per second of camera.
The zoom processing method of dual camera according to an embodiment of the present invention, may also include following additional technical feature:
In one embodiment of the invention, whether the detection user triggers zoom amplifying operation, comprising:
The preview interface whether detection user obtains the main camera amplifies touch control operation；Or,
Whether detection user triggers preset amplification Zoom control key.
In one embodiment of the invention, according to the first preview image of the main camera acquisition and the pair
The second preview image that camera obtains generates synthesis preview image, comprising:
It is enlarged according to the zoom and determines corresponding zoom magnifications；
The first pixel and described second in first preview image is determined in advance according to the zoom magnifications
The second pixel look in image；
First pixel and second pixel are subjected to synthesis processing and generate synthesis preview image.
In one embodiment of the invention, the frame per second for reducing camera, comprising:
The main camera is reduced, and/or, the frame per second of the pair camera.
In one embodiment of the invention, after the frame per second for reducing camera, further includes:
When detecting that user triggers zoom amplifying operation again, restore the frame per second of the camera.
Second aspect of the present invention embodiment provides a kind of zoom processing unit of dual camera, comprising:
Detection module starts main camera when for detecting that user opens camera, and detects whether user triggers zoom
It is enlarged；
Synthesis module, for starting secondary camera, and take the photograph according to the master when the user triggers zoom and is enlarged
The second preview image that the first preview image and the secondary camera obtained as head obtains generates synthesis preview image；
Control module, for detecting that user stops starting timing when the zoom is enlarged, and within a preset time
When the user does not trigger zoom amplifying operation again, the frame per second for controlling camera is reduced.
The zoom processing unit of dual camera according to an embodiment of the present invention, may also include following additional technical feature:
In one embodiment of the invention, the detection module is used for:
The preview interface whether detection user obtains the main camera amplifies touch control operation；Or,
Whether detection user triggers preset amplification Zoom control key.
In one embodiment of the invention, the synthesis module is used for:
It is enlarged according to the zoom and determines corresponding zoom magnifications；
The first pixel and described second in first preview image is determined in advance according to the zoom magnifications
The second pixel look in image；
First pixel and second pixel are subjected to synthesis processing and generate synthesis preview image.
In one embodiment of the invention, the control module is used for:
The main camera is reduced, and/or, the frame per second of the pair camera.
In one embodiment of the invention, the control module is also used to:
After the frame per second for reducing camera, when detecting that user triggers zoom amplifying operation again, restore
The frame per second of the camera.
Third aspect present invention embodiment provides a kind of mobile terminal, including second aspect of the present invention any embodiment
The zoom processing unit of dual camera.
Fourth aspect present invention embodiment provides a kind of mobile terminal
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
It detects and starts main camera when user opens camera, and detect whether user triggers zoom amplifying operation；
If the user triggers zoom and is enlarged, start secondary camera, and obtained according to the main camera
The second preview image that first preview image and the secondary camera obtain generates synthesis preview image；
Detect that user stops starting timing when the zoom is enlarged, if the user does not have within a preset time
The zoom is triggered again to be enlarged, then reduces the frame per second of camera.
Zoom processing method, device and the mobile terminal of the dual camera of the embodiment of the present invention, by detecting user
Start main camera when opening camera, and starts secondary camera when zoom is enlarged detecting that user triggers, and by two
The image that camera obtains synthesizes preview image, if stopped in the preset time after zoom is enlarged in user without again
Secondary triggering zoom is enlarged, then reduces the frame per second of camera, can according to the work of actual photographed demand control pair camera, and
Two camera whole process work are not required to, the power consumption and resource occupation in shooting process are effectively reduced.In addition, not needed in user
When zoom operation, the frame per second of camera can be reduced, further reduced power consumption.So as to guarantee user's focusing experience and clapping
While according to effect, the available work duration and working efficiency of capture apparatus are effectively promoted.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow chart according to the zoom processing method of the dual camera of one embodiment of the invention；
Fig. 2 is the flow chart according to the zoom processing method of the dual camera of another embodiment of the present invention；
Fig. 3 is the structural schematic diagram according to the zoom processing unit of the dual camera of one embodiment of the invention；
Fig. 4 is a kind of block diagram of mobile terminal shown according to an exemplary embodiment.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings zoom processing method, device and the movement of dual camera according to an embodiment of the present invention are described eventually
End.
The capture apparatus of the embodiment of the present invention is dual camera equipment, and dual camera includes main camera and secondary camera.
Wherein, main camera can be wide-angle camera, and secondary camera can be focal length camera.It should be noted that the present invention is real
The capture apparatus for applying example may include but be not limited to the movement such as mobile phone, tablet computer, intelligent wearable equipment, personal digital assistant eventually
End.
Fig. 1 is the flow chart according to the zoom processing method of the dual camera of one embodiment of the invention.
As shown in Figure 1, the zoom processing method of dual camera according to an embodiment of the present invention, comprising:
S101 is detected and is started main camera when user opens camera, and detects whether user triggers zoom amplifying operation.
In one embodiment of the invention, whether detection user triggers zoom amplifying operation, it may include:
The preview interface whether detection user obtains the main camera amplifies touch control operation；Or,
Whether detection user triggers preset amplification Zoom control key.
For example, when detecting that user in two finger reversible sliding actions at image preview interface, or detects
When user is to the button operation of volume amplifying key-press, it may be determined that detection user triggers zoom and is enlarged.
S102 starts secondary camera, and obtain according to the main camera if the user triggers zoom and is enlarged
The second preview image that the first preview image and the secondary camera taken obtains generates synthesis preview image.
In an embodiment of the present invention, when detecting that user triggers zoom amplifying operation, secondary camera can be started.In pair
After camera starting, main camera and secondary camera can respectively to photographic subjects carry out Image Acquisition obtain the first preview image and
Second preview image.It in turn, can be by the first preview image that main camera obtains and the second preview image that secondary camera obtains
Synthesis, to generate synthesis preview image.
In one embodiment of the invention, according to the first preview image of the main camera acquisition and the pair
The second preview image that camera obtains generates synthesis preview image, it may include: determining correspond to is enlarged according to the zoom
Zoom magnifications；The first pixel in first preview image, Yi Jisuo are determined according to the zoom magnifications
State the second pixel in the second preview image；First pixel and second pixel are carried out synthesis processing to generate
Synthesize preview image.
Specifically, it can be determined according to zoom magnifications during generating synthesis preview image, required first is pre-
The ratio for the second pixel look in the first pixel and the second preview image in image.Zoom magnifications are bigger, then and
The ratio of the second pixel in two preview images is higher, and zoom magnifications are smaller, the second pixel in the second preview image
The ratio of point is lower.
For example, if zoom magnifications are 1, it can mainly be generated and be closed using the pixel in the first preview image
At preview image；If amplification factor is 8 times, synthesis preview graph mainly can be generated using the pixel in the second preview image
Picture；If amplification factor is 3, the same pixel of quantity can be chosen from the first preview image and the second preview image and is carried out
Synthesis, to generate synthesis preview image.
In an embodiment of the present invention, only pass through main camera when user is not detected and triggers zoom amplifying operation to obtain
Preview image just starts secondary camera, carries out image synthesis and zoom work when detecting that user triggers zoom amplifying operation
Make.It is enlarged if user is not detected and triggers zoom, is not turned on secondary camera, it is pre- that the acquisition of main camera is used only in whole process
Look at image.To only open secondary camera work when there is zoom to need, rather than major and minor camera works at the same time always, energy
Enough while guaranteeing user's focusing experience and taking pictures effect, energy consumption is greatlyd save.
S103 detects that user stops starting timing when the zoom is enlarged, if the use within a preset time
Family is not triggered the zoom again and is enlarged, then reduces the frame per second of camera.
In an embodiment of the present invention, preset time can be for system default or by user setting.For example, when presetting
Between may be configured as 10 seconds.
In one embodiment of the invention, stop not touching again in the preset time after zoom is enlarged in user
It sends out zoom to be enlarged, then the frequency of camera can be reduced, to further decrease power consumption.Wherein, the frame per second for reducing camera, can
It include: the reduction main camera, and/or, the frame per second of the pair camera.That is, main camera can be reduced and pair is taken the photograph
As the frame per second of at least one of head.
For example, if during the focusing process, the frame per second of camera is that (Frames Per Second, second pass 30fps
Defeated frame number), then the frame per second of at least one of main camera and secondary camera can be become 15fps.To be imaged by reducing
The frequency of head acquired image frames further decreases power consumption.
The zoom processing method of the dual camera of the embodiment of the present invention passes through the starting master when detecting that user opens camera
Camera, and start secondary camera when zoom is enlarged detecting that user triggers, and the image that two cameras are obtained
Preview image is synthesized, if stopped in the preset time after zoom is enlarged in user without triggering zoom amplification behaviour again
Make, then reduces the frame per second of camera, it can be complete without two cameras according to the work of actual photographed demand control pair camera
Journey work, effectively reduces the power consumption and resource occupation in shooting process.In addition, can be dropped when user does not need zoom operation
The frame per second of low camera, further reduced power consumption.So as to have while guaranteeing user's focusing experience and taking pictures effect
Effect promotes the available work duration and working efficiency of capture apparatus.
Fig. 2 is the flow chart according to the zoom processing method of the dual camera of another embodiment of the present invention.
As shown in Fig. 2, the zoom processing method of dual camera according to an embodiment of the present invention, including step S201-S204.
Wherein, step S201-S203 is identical as step S101-S103 in embodiment illustrated in fig. 1.
S204 restores the frame per second of the camera when detecting that user triggers zoom amplifying operation again.
In one embodiment of the invention, after the frame per second for reducing camera, detect that user triggers again
When the zoom is enlarged, the frame per second of the camera can be restored.
To which the frame per second of camera can be replied, thus, it is possible in zoom when user triggers zoom again to be enlarged
In the process, by improving the frame per second of camera, guarantee to show image real-time variation effect and demand in preview interface.
In order to realize above-described embodiment, the present invention also proposes a kind of zoom processing unit of dual camera.
Fig. 3 is the structural schematic diagram according to the zoom processing unit of the dual camera of one embodiment of the invention.
As shown in figure 3, the zoom processing unit of dual camera according to an embodiment of the present invention, comprising: detection module 10 closes
At module 20 and control module 30.
Specifically, detection module 10, which is used to detect, starts main camera when user opens camera, and whether detects user
Zoom is triggered to be enlarged.
In one embodiment of the invention, detection module 10 can be used for: whether detection user obtains the main camera
The preview interface taken amplifies touch control operation；Or, whether detection user triggers preset amplification Zoom control key.
For example, when detecting that user in two finger reversible sliding actions at image preview interface, or detects
When user is to the button operation of volume amplifying key-press, detection module 10 can determine that detection user triggers zoom and is enlarged.
Synthesis module 20 is used to start secondary camera, and according to the master when the user triggers zoom and is enlarged
The second preview image that the first preview image and the secondary camera that camera obtains obtain generates synthesis preview image.
In an embodiment of the present invention, synthesis module 20 can start pair when detecting that user triggers zoom amplifying operation
Camera.After the starting of secondary camera, main camera and secondary camera can carry out Image Acquisition to photographic subjects respectively and obtain the
One preview image and the second preview image.In turn, synthesis module 20 can take the photograph the first preview image and pair that main camera obtains
As the second preview image synthesis that head obtains, to generate synthesis preview image.
In one embodiment of the invention, synthesis module 20 can be used for: being enlarged according to the zoom and determines correspondence
Zoom magnifications；The first pixel in first preview image, Yi Jisuo are determined according to the zoom magnifications
State the second pixel in the second preview image；First pixel and second pixel are carried out synthesis processing to generate
Synthesize preview image.
Specifically, synthesis module 20 can determine institute during generating synthesis preview image according to zoom magnifications
The ratio of the second pixel in the first pixel and the second preview image in the first preview image needed.Zoom magnifications
Bigger, then the ratio of the second pixel in the second preview image is higher, and zoom magnifications are smaller, in the second preview image
The ratio of second pixel is lower.
For example, if zoom magnifications are 1, it can mainly be generated and be closed using the pixel in the first preview image
At preview image；If amplification factor is 8 times, synthesis preview graph mainly can be generated using the pixel in the second preview image
Picture；If amplification factor is 3, the same pixel of quantity can be chosen from the first preview image and the second preview image and is carried out
Synthesis, to generate synthesis preview image.
In an embodiment of the present invention, only pass through main camera when user is not detected and triggers zoom amplifying operation to obtain
Preview image just starts secondary camera, carries out image synthesis and zoom work when detecting that user triggers zoom amplifying operation
Make.It is enlarged if user is not detected and triggers zoom, is not turned on secondary camera, it is pre- that the acquisition of main camera is used only in whole process
Look at image.To only open secondary camera work when there is zoom to need, rather than major and minor camera works at the same time always, energy
Enough while guaranteeing user's focusing experience and taking pictures effect, energy consumption is greatlyd save.
Start timing when control module 30 is for detecting that user stops zoom amplifying operation, and within a preset time
When the user does not trigger zoom amplifying operation again, the frame per second for controlling camera is reduced.
In an embodiment of the present invention, preset time can be for system default or by user setting.For example, when presetting
Between may be configured as 10 seconds.
In one embodiment of the invention, stop not touching again in the preset time after zoom is enlarged in user
It sends out zoom to be enlarged, then control module 30 can reduce the frequency of camera, to further decrease power consumption.Wherein, control module
30 can be used for reducing the main camera, and/or, the frame per second of the pair camera.That is, control module 30 can reduce master
The frame per second of camera and at least one of secondary camera.
For example, if during the focusing process, the frame per second of camera is that (Frames Per Second, second pass 30fps
Defeated frame number), then the frame per second of at least one of main camera and secondary camera can be become 15fps by control module 30.To lead to
The frequency of reduction camera collection image frame is crossed to further decrease power consumption.
In one embodiment of the invention, control module 30 can also be used in: after the frame per second for reducing camera,
When detecting that user triggers zoom amplifying operation again, restore the frame per second of the camera.
To which the frame per second of camera can be replied, thus, it is possible in zoom when user triggers zoom again to be enlarged
In the process, by improving the frame per second of camera, guarantee to show image real-time variation effect and demand in preview interface.
The zoom processing unit of the dual camera of the embodiment of the present invention passes through the starting master when detecting that user opens camera
Camera, and start secondary camera when zoom is enlarged detecting that user triggers, and the image that two cameras are obtained
Preview image is synthesized, if stopped in the preset time after zoom is enlarged in user without triggering zoom amplification behaviour again
Make, then reduces the frame per second of camera, it can be complete without two cameras according to the work of actual photographed demand control pair camera
Journey work, effectively reduces the power consumption and resource occupation in shooting process.In addition, can be dropped when user does not need zoom operation
The frame per second of low camera, further reduced power consumption.So as to have while guaranteeing user's focusing experience and taking pictures effect
Effect promotes the available work duration and working efficiency of capture apparatus.
The present invention also proposes a kind of mobile terminal.
Mobile terminal according to an embodiment of the present invention, the zoom processing of the dual camera including any embodiment of the present invention
Device, by starting main camera when detecting that user opens camera, and when detecting that user triggers zoom amplifying operation
Start secondary camera, and the image that two cameras obtain is synthesized into preview image, if stopping zoom amplification behaviour in user
It is enlarged in preset time after work without triggering zoom again, then reduces the frame per second of camera, it can be according to actual photographed need
The work for controlling secondary camera is asked, works without two camera whole process, effectively reduces the power consumption and money in shooting process
Source occupies.In addition, can reduce the frame per second of camera when user does not need zoom operation, further reduced power consumption.So as to
Enough available work durations and work for while guaranteeing user's focusing experience and taking pictures effect, effectively promoting capture apparatus are imitated
Rate.
The present invention also proposes another mobile terminal.
Mobile terminal according to an embodiment of the present invention, comprising: processor；Storage for storage processor executable instruction
Device；Wherein, the processor is configured to: detect and start main camera when user opens camera, and detect whether user touches
Zoom is sent out to be enlarged；If the user triggers zoom and is enlarged, start secondary camera, and according to the main camera
The second preview image that the first preview image and the secondary camera obtained obtains generates synthesis preview image；It detects
User stops starting timing when the zoom is enlarged, if the user does not trigger the change again within a preset time
Coke is enlarged, then reduces the frame per second of camera.
Mobile terminal according to an embodiment of the present invention, the zoom processing of the dual camera including any embodiment of the present invention
Device, by starting main camera when detecting that user opens camera, and when detecting that user triggers zoom amplifying operation
Start secondary camera, and the image that two cameras obtain is synthesized into preview image, if stopping zoom amplification behaviour in user
It is enlarged in preset time after work without triggering zoom again, then reduces the frame per second of camera, it can be according to actual photographed need
The work for controlling secondary camera is asked, works without two camera whole process, effectively reduces the power consumption and money in shooting process
Source occupies.In addition, can reduce the frame per second of camera when user does not need zoom operation, further reduced power consumption.So as to
Enough available work durations and work for while guaranteeing user's focusing experience and taking pictures effect, effectively promoting capture apparatus are imitated
Rate.
Fig. 4 is a kind of block diagram of mobile terminal 400 shown according to an exemplary embodiment.For example, device 400 can be
Mobile phone, digital broadcasting terminal, messaging device, game console, tablet device, Medical Devices, body-building equipment are personal
Digital assistants etc..
Referring to Fig. 4, device 400 may include following one or more components: processing component 402, memory 404, power supply
Component 406, multimedia component 408, audio component 410, the interface 412 of input/output (I/O), sensor module 414, and
Communication component 416.
The integrated operation of the usual control device 400 of processing component 402, such as with display, telephone call, data communication, phase
Machine operation and record operate associated operation.Processing component 402 may include that one or more processors 420 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 402 may include one or more modules, just
Interaction between processing component 402 and other assemblies.For example, processing component 402 may include multi-media module, it is more to facilitate
Interaction between media component 408 and processing component 402.
Memory 404 is configured as storing various types of data to support the operation in equipment 400.These data are shown
Example includes the instruction of any application or method for operating on device 400, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 404 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 406 provides electric power for the various assemblies of device 400.Power supply module 406 may include power management system
System, one or more power supplys and other with for device 400 generate, manage, and distribute the associated component of electric power.
Multimedia component 408 includes the screen of one output interface of offer between described device 400 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 408 includes a front camera and/or rear camera.When equipment 400 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 410 is configured as output and/or input audio signal.For example, audio component 410 includes a Mike
Wind (MIC), when device 400 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone is matched
It is set to reception external audio signal.The received audio signal can be further stored in memory 404 or via communication set
Part 416 is sent.In some embodiments, audio component 410 further includes a loudspeaker, is used for output audio signal.
I/O interface 412 provides interface between processing component 402 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and lock
Determine button.
Sensor module 414 includes one or more sensors, and the state for providing various aspects for device 400 is commented
Estimate.For example, sensor module 414 can detecte the state that opens/closes of equipment 400, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 400, and sensor module 414 can be with 400 1 components of detection device 400 or device
Position change, the existence or non-existence that user contacts with device 400,400 orientation of device or acceleration/deceleration and device 400
Temperature change.Sensor module 414 may include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor module 414 can also include optical sensor, such as CMOS or ccd image sensor, at
As being used in application.In some embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 416 is configured to facilitate the communication of wired or wireless way between device 400 and other equipment.Device
400 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.In an exemplary implementation
In example, communication component 416 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 416 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 400 can be believed by one or more application specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
It such as include the memory 404 of instruction, above-metioned instruction can be executed by the processor 420 of device 400 to complete the above method.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (8)
1. a kind of zoom processing method of dual camera, which comprises the following steps:
It detects and starts main camera when user opens camera, and detect whether user triggers zoom amplifying operation；
If the user triggers zoom and is enlarged, start secondary camera, and first obtained according to the main camera
The second preview image that preview image and the secondary camera obtain generates synthesis preview image；
Detect that user stops starting timing when the zoom is enlarged, if the user is without again within a preset time
It triggers the zoom to be enlarged, then reduces the frame per second of camera, the frame per second for reducing camera includes reducing the master to take the photograph
As the frame per second of at least one of head and the secondary camera during the focusing process；
When detecting that user triggers zoom amplifying operation again, restore the frame per second of the camera.
2. the method as described in claim 1, which is characterized in that whether the detection user triggers zoom amplifying operation, comprising:
The preview interface whether detection user obtains the main camera amplifies touch control operation；Or,
Whether detection user triggers preset amplification Zoom control key.
3. the method as described in claim 1, which is characterized in that according to the first preview image that the main camera obtains, with
And the second preview image that the secondary camera obtains generates synthesis preview image, comprising:
It is enlarged according to the zoom and determines corresponding zoom magnifications；
The first pixel and second preview graph in first preview image are determined according to the zoom magnifications
The second pixel as in；
First pixel and second pixel are subjected to synthesis processing and generate synthesis preview image.
4. a kind of zoom processing unit of dual camera characterized by comprising
Detection module starts main camera when for detecting that user opens camera, and detects whether user triggers zoom amplification
Operation；
Synthesis module, for starting secondary camera, and according to the main camera when the user triggers zoom and is enlarged
The second preview image that the first preview image and the secondary camera obtained obtains generates synthesis preview image；
Control module, for detecting that user stops starting timing when the zoom is enlarged, and it is described within a preset time
When user does not trigger zoom amplifying operation again, the frame per second for controlling camera is reduced, the frame per second for reducing camera
Including reducing the frame per second of at least one of the main camera and the secondary camera during the focusing process；
The control module restores the camera when being also used to detect that user triggers zoom amplifying operation again
Frame per second.
5. device as claimed in claim 4, which is characterized in that the detection module is used for:
The preview interface whether detection user obtains the main camera amplifies touch control operation；Or,
Whether detection user triggers preset amplification Zoom control key.
6. device as claimed in claim 4, which is characterized in that the synthesis module is used for:
It is enlarged according to the zoom and determines corresponding zoom magnifications；
The first pixel and second preview graph in first preview image are determined according to the zoom magnifications
The second pixel as in；
First pixel and second pixel are subjected to synthesis processing and generate synthesis preview image.
7. a kind of mobile terminal, which is characterized in that the zoom processing including such as described in any item dual cameras of claim 4-6
Device.
8. a kind of mobile terminal characterized by comprising
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
It detects and starts main camera when user opens camera, and detect whether user triggers zoom amplifying operation；
If the user triggers zoom and is enlarged, start secondary camera, and first obtained according to the main camera
The second preview image that preview image and the secondary camera obtain generates synthesis preview image；
Detect that user stops starting timing when the zoom is enlarged, if the user is without again within a preset time
It triggers the zoom to be enlarged, then reduces the frame per second of camera, the frame per second for reducing camera includes reducing the master to take the photograph
As the frame per second of at least one of head and the secondary camera during the focusing process；
When detecting that user triggers zoom amplifying operation again, restore the frame per second of the camera.
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| CN106791017A (en) * | 2016-11-29 | 2017-05-31 | 努比亚技术有限公司 | A kind of terminal and photographic method |
| CN106791377B (en) * | 2016-11-29 | 2019-09-27 | Oppo广东移动通信有限公司 | Control method, control device and electronic device |
| CN106454132A (en) * | 2016-11-29 | 2017-02-22 | 广东欧珀移动通信有限公司 | Control method, control device and electronic device |
| KR20190097193A (en) * | 2016-12-24 | 2019-08-20 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Camera control method and terminal |
| CN106713716B (en) * | 2017-01-23 | 2020-03-31 | 努比亚技术有限公司 | Shooting control method and device for double cameras |
| CN108933881B (en) * | 2017-05-22 | 2022-05-27 | 中兴通讯股份有限公司 | Video processing method and device |
| CN107465777A (en) * | 2017-08-07 | 2017-12-12 | 京东方科技集团股份有限公司 | Mobile terminal and its imaging method |
| CN107360357A (en) * | 2017-09-05 | 2017-11-17 | 信利光电股份有限公司 | A kind of camera module |
| CN108632536B (en) * | 2018-07-31 | 2020-10-30 | Oppo广东移动通信有限公司 | Camera control method and device, terminal and storage medium |
| CN113766115B (en) * | 2020-06-02 | 2023-08-04 | 北京小米移动软件有限公司 | Image acquisition method, mobile terminal, device and storage medium |
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