CN107147837A - The method to set up and mobile terminal of a kind of acquisition parameters - Google Patents
The method to set up and mobile terminal of a kind of acquisition parameters Download PDFInfo
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- CN107147837A CN107147837A CN201710527240.0A CN201710527240A CN107147837A CN 107147837 A CN107147837 A CN 107147837A CN 201710527240 A CN201710527240 A CN 201710527240A CN 107147837 A CN107147837 A CN 107147837A
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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
- H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—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
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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
- H04N23/80—Camera processing pipelines; Components thereof
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- Studio Devices (AREA)
Abstract
The embodiments of the invention provide a kind of method to set up of acquisition parameters and mobile terminal, applied to the mobile terminal with least two cameras, the camera includes main camera and secondary camera, the main camera is set to carry out output image data according to the first preset frame rate, the secondary camera is set to carry out output image data according to the second preset frame rate, and methods described includes：Obtain the second view data that the secondary camera is exported according to the second preset frame rate；Calibration parameter is calculated using second view data；The acquisition parameters of the main camera are set according to the calibration parameter.The embodiment of the present invention quickly sets the acquisition parameters of camera in this way, so as to improve shooting speed, lifting user shoots experience.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of method to set up of acquisition parameters and a kind of movement are eventually
End.
Background technology
With developing rapidly for the intelligent mobile terminals such as mobile phone, camera sensitive chip performance is constantly lifted, and is added mobile whole
The camera camera most of the time on the portability at end, mobile terminal usually replace act as traditional camera, it is even single anti-
The role of camera so that the camera application of mobile terminal is more and more wider.
Shooting speed could enough bring happy sensation to user soon, and fast be user one of camera is than larger
Pain spot, quickly startup, candid photograph etc. are into an evaluation index of camera producer camera.But at present, general mobile terminal
Camera be all to maintain 3A stable using traditional 3A algorithms.Specifically, traditional 3A algorithms refer to auto-focusing
(AF) algorithm, automatic exposure (AE) algorithm and AWB (AWB) algorithm.Wherein, auto-focusing algorithm is by both obtaining image
Contrast carry out moving lens, picture contrast is reached maximum；Automatic exposure algorithm is set automatically according to available light conditions
Put exposure value；AWB algorithm adjusts the fidelity of picture color according to light conditions.
It is well known that to complete whole 3A algorithms needs to expend the regular hour, the shooting experience of user have impact on.Cause
This, the camera operating speed on mobile terminal is also into a pain spot.
The content of the invention
The embodiment of the present invention provides the method to set up and mobile terminal of a kind of acquisition parameters, with solve acquisition parameters set compared with
Slowly, user shoots the problem of experience is poor.
First aspect is there is provided a kind of method to set up of acquisition parameters, applied to the movement with least two cameras
Terminal, the camera includes main camera and secondary camera, and the main camera is set to come defeated according to the first preset frame rate
Go out view data, the secondary camera is set to carry out output image data according to the second preset frame rate, and methods described includes：
Obtain the second view data that the secondary camera is exported according to the second preset frame rate；
Calibration parameter is calculated using second view data；
The acquisition parameters of the main camera are set according to the calibration parameter.
Second aspect at least includes main camera and pair there is provided a kind of mobile terminal, the camera of the mobile terminal
Camera, the main camera is set to carry out output image data according to the first preset frame rate, the secondary camera be set to by
Carry out output image data according to the second preset frame rate, the mobile terminal includes：
Second image data acquisition module, for obtaining the second figure that the secondary camera is exported according to the second preset frame rate
As data；
Calibration parameter computing module, for calculating calibration parameter using second view data；
Acquisition parameters setup module, the acquisition parameters for setting the main camera according to the calibration parameter.
So, in the embodiment of the present invention, at least two cameras that mobile terminal has, such as camera include main shooting
Head and secondary camera, the second view data of secondary camera collection can be obtained first, and based on the second view data meter
Calibration parameter is calculated, finally goes to set the acquisition parameters of main camera using calibration parameter.The embodiment of the present invention passes through this side
Formula quickly sets the acquisition parameters of camera, so as to improve shooting speed, lifting user shoots experience.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of step flow chart of the method to set up embodiment of acquisition parameters of the embodiment of the present invention one；
Fig. 2 is a kind of step flow chart of the method to set up embodiment of acquisition parameters of the embodiment of the present invention two；
Fig. 3 is a kind of DSP in the terminal of embodiment of the present invention structured flowchart；
Fig. 4 is a kind of structured flowchart of mobile terminal embodiment of the embodiment of the present invention three；
Fig. 5 is the block diagram of the mobile terminal of another embodiment of the present invention；
Fig. 6 is the structural representation of the mobile terminal of another embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Embodiment one
Reference picture 1, shows a kind of step flow chart of the method to set up embodiment of acquisition parameters of the present invention, is applied to
Mobile terminal with least two cameras, the camera includes main camera and secondary camera, and the main camera is set
It is set to and carrys out output image data according to the first preset frame rate, the secondary camera is set to export figure according to the second preset frame rate
As data, methods described specifically may include steps of：
Step 101, the second view data that the secondary camera is exported according to the second preset frame rate is obtained；
In the specific implementation, having at least two cameras on mobile terminals, naturally it is also possible to be three or three
More than.In embodiments of the present invention, it is possible to use camera collection image, different cameras can set different frame per second next defeated
Go out view data.Wherein, frame per second (Frame rate) is to show measuring for frame number for measuring, such as the frame number of display per second,
The speed of camera collection transmission image can be reflected.
For example, a camera, which could be arranged to larger frame per second, carrys out output image data, another camera can then be set
It is set to smaller frame per second and carrys out output image data.
Step 102, calibration parameter is calculated using second view data；
In embodiments of the present invention, the view data that can be exported based on secondary camera goes to calculate calibration parameter, the calibration
Parameter can be used for the setting of the follow-up acquisition parameters for main camera.
Step 103, the acquisition parameters of the main camera are set according to the calibration parameter.
After the view data exported based on secondary camera calculates calibration parameter, so that it may which according to calibration parameter, master is set
The acquisition parameters of camera so that main camera can carry out shooting image according to acquisition parameters.
Specifically, acquisition parameters can include Focusing parameter, exposure parameter and white balance parameter.Above-mentioned parameter is carried out
Adjust to realize the effect of picture contrast maximum, improve the overexposure of main body subject or under-exposed situation, make picture not
Aberration under being irradiated with light is compensated, so that the image information compared with high image quality is presented.Pass through these of the camera of adjustment
Parameter, can be good at ensureing image accurately color rendition degree.
Certainly, acquisition parameters can also include other parameters for being used to adjust camera, the embodiment of the present invention in practice
This is not any limitation as.
It should be noted that the embodiment of the present invention is on the basis of the hardware frame of original mobile terminal, DSP is added
(Digital Signal Processing, digital signal processor) so that view data can be realized before ISP is entered
More image processing functions, lift the picture quality of view data.Specifically, there is sensor in the camera module of camera
(sensor), the DSP being connected with the sensor and ISP of camera is provided with mobile terminal.Generally, ISP is in the terminal
The unit handled as the sensor output signals of camera, to match the sensor of different vendor.
Wherein, DSP, between sensor and ISP, can pass through MIPI (Mobile Industry Processor
Interface, mobile Industry Processor Interface) connection, MIPI by the interface of interior of mobile phone such as camera, display screen interface, penetrate
Frequently/baseband interface etc. is standardized, it is possible to reduce the complexity and increase design flexibility of Cell Phone Design.Certainly, DSP,
It can also be attached between sensor and ISP by other interfaces, the embodiment of the present invention need not be any limitation as to this.
The DSP hardware module of the embodiment of the present invention, is interval (such as the RAW figures to the form for Bayer format in RAW
As being handled, RAW image does not carry out being converted into the forms such as YUV due in ISP, therefore data volume is more, and detailed information is rich
It is rich) view data carry out the operation such as denoising, allow view data before ISP is entered, just there is relatively good noise performance, and
View data is handled by DSP, speed is fast for being handled in ISP, and in DSP many algorithms realization can also be used many
Plant function.By being pre-processed in DSP for view data, reduce in ISP processing procedures, image data noise form
Deteriorate, reduce rear end noise processed difficulty, finally give better image quality.Whole handling process is referred to Fig. 2.
ISP is can be integrated in AP or independent chip, and the embodiment of the present invention need not be any limitation as to this,
Progress ISP processing is retransmited after DSP obtains the RAW image of result so that view data becomes apparent from, natural and attractive in appearance.
So, in the embodiment of the present invention, at least two cameras that mobile terminal has, such as camera include main shooting
Head and secondary camera, the second view data of secondary camera collection can be obtained first, and based on the second view data meter
Calibration parameter is calculated, finally goes to set the acquisition parameters of main camera using calibration parameter.The embodiment of the present invention passes through this side
Formula quickly sets the acquisition parameters of camera, so as to improve shooting speed, lifting user shoots experience.
Embodiment two
Reference picture 2, shows a kind of step flow chart of the method to set up embodiment of acquisition parameters of the present invention, is applied to
Mobile terminal with least two cameras, the camera includes main camera and secondary camera, and the main camera is set
It is set to and carrys out output image data according to the first preset frame rate, the secondary camera is set to export figure according to the second preset frame rate
As data, methods described specifically may include steps of：
Step 201, the second view data that the secondary camera is exported according to the second preset frame rate is obtained；
In embodiments of the present invention, main camera and secondary camera are set to using different frame per second come output image number
According to, wherein, the second frame per second of secondary camera is higher than the first frame per second of main camera.For example, main camera could be arranged to 30
The frame per second output image data of frame/second, secondary camera could be arranged to the frame per second output image data of 150 frames/second.
Step 202, calibration parameter is calculated using second view data；
In embodiments of the present invention, the view data secondary camera exported is quickly counted at digital signal processor DSP
Calculation obtains 3A calibration parameters, i.e. exposure parameter, white balance parameter, Focusing parameter.
Step 203, the acquisition parameters of the main camera are set according to the calibration parameter.
In one preferred embodiment of the invention, the calibration parameter can include calibration exposure parameter and calibration is white flat
Weigh parameter, and the step 203 can include following sub-step：
Using the calibration exposure parameter and calibration white balance parameter, the exposure parameter and Bai Ping of the main camera are set
Weigh parameter.
In actual applications, some calibration parameters calculated can be applied directly on main camera, for example, calibrate
Exposure parameter and calibration white balance parameter, are just applied on main camera without adjusting.
In one preferred embodiment of the invention, the calibration parameter can include calibration Focusing parameter, the step
203 can include following sub-step：Obtain the vision difference data between the main camera and secondary camera；
Focusing parameter is calibrated using described in the vision difference data point reuse；
The Focusing parameter of the main camera is set using the calibration Focusing parameter after adjustment.
In actual applications, some calibration parameters calculated can not be applied directly on main camera, for example, focus
Parameter, because dual camera has certain visual angle difference.But in embodiments of the present invention, can be according to double calibrations
Parameter, calculates the Focusing parameter after equivalent adjustment and is applied on main camera.
Step 204, the first view data that the main camera is exported according to the acquisition parameters is obtained；
After the acquisition parameters setting to main camera is completed, main camera just can export first according to the acquisition parameters
Picture number.
Step 205, described first image data output to application processor AP (Application Processor) is entered
Row display.
In embodiments of the present invention, mobile terminal is provided with the sensor sensor and image processor with camera
Digital signal processor DSP connected ISP.Generally, ISP is handled as the sensor output signals of camera in the terminal
Unit, to match the sensor of different vendor.
In the practical application of the embodiment of the present invention, the inside of dsp chip uses program and the separated Harvard structure of data,
With special hardware multiplier, widely used pile line operation, can be for quickly realization there is provided special DSP instructions
Various digital signal processing algorithms.Wherein, DSP can be arranged at mobile terminal in internal or external mode, according to actual need
Setting is asked, the embodiment of the present invention is not any limitation as to this.
After the acquisition parameters setting for main camera is completed, DSP can just obtain main camera according to acquisition parameters
First view data of output, and the first view data of acquisition is exported carry out other follow-up processing to ISP, for example show.
In embodiments of the present invention, calibration parameter can calculate completion in dsp.When DSP calculate complete after, can be with
The view data for the stabilization that main camera is exported, further transfers to rear end ISP to carry out other follow-up processing.
In order that those skilled in the art more fully understand the embodiment of the present invention, below using specific example for this hair
Bright embodiment realizes that the quick calculating process of 3A parameters is illustrated.
Two cameras of reference picture 3, first mobile terminal according to being attached as shown in Figure 3, and main camera and pair are taken the photograph
As head is connected on DSP, DSP carries out 3A processing, and then the image of main camera, which is output on AP, is used to show.
The specific implementation step of this example is as follows：
Step A1：Main camera is with the frame per second output image data of 30 frames/second, and secondary camera is with higher frame per second output image
Data；
Step A2：The view data that DSP is exported according to secondary camera, it is quick to calculate 3A calibration parameters；
Wherein, because the comparison of the frame per second setting of secondary camera is high (such as 120 frames/second), the metastable speed reason in 3A schools
Than the 30/ second frame fast at least 75% on, so as to lift the metastable speed in 3A schools.In actual calculating process, it can make
With traditional 3A algorithms, such as AF is focused using contrast formula, it is of course also possible to nowadays popular PDAF (Phase
Detection Auto Focus, phase focusing), the embodiment of the present invention is not any limitation as to this.
Step A3：The 3A result of calculations calibrated are applied on main camera；
AE and AWB result of calculation can be applied directly on main camera.Because there is certain visual angle in dual camera
Difference, so AF result can calculate equivalent AF results and be applied on main camera according to the parameters of double calibrations.
Step A4：The stable view data of main camera output 3A；
Step A5：The view data that DSP transmits main camera is shown to AP.
Using this example, due to the view data that can be exported based on secondary camera with high frame per second, to quickly finish 3A
The calculating of parameter, lifts the quality captured and the shooting experience of user.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it to be all expressed as to a series of action group
Close, but those skilled in the art should know, the embodiment of the present invention is not limited by described sequence of movement, because according to
According to the embodiment of the present invention, some steps can be carried out sequentially or simultaneously using other.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, the involved action not necessarily present invention is implemented
Necessary to example.
Embodiment three
Reference picture 4, shows a kind of structured flowchart of mobile terminal embodiment of the present invention, the shooting of the mobile terminal
Head at least includes main camera and secondary camera, and the main camera is set to carry out output image number according to the first preset frame rate
According to the secondary camera is set to carry out output image data according to the second preset frame rate, and the mobile terminal can specifically include
Following module：
Second image data acquisition module 301, for obtaining the secondary camera is exported according to the second preset frame rate
Two view data；
Calibration parameter computing module 302, for calculating calibration parameter using second view data；
Acquisition parameters setup module 303, the acquisition parameters for setting the main camera according to the calibration parameter.
In one preferred embodiment of the invention, the mobile terminal has and camera and image processor ISP phases
Digital signal processor DSP even, described image processor ISP is connected to application processor AP.
In one preferred embodiment of the invention, second frame per second is higher than first frame per second.
In one preferred embodiment of the invention, the calibration parameter includes calibration exposure parameter and calibration white balance ginseng
Number, the acquisition parameters setup module 303 includes：
First shoots parameter setting submodule, for using the calibration exposure parameter and calibration white balance parameter, setting
The exposure parameter and white balance parameter of the main camera.
In one preferred embodiment of the invention, it is characterised in that the calibration parameter includes calibration Focusing parameter, institute
Stating acquisition parameters setup module 303 includes：
Vision difference data acquisition submodule, for obtaining the visual difference heteromerism between the main camera and secondary camera
According to；
Focusing parameter adjustment submodule is calibrated, Focusing parameter is calibrated described in the vision difference data point reuse for using；
Second shoots parameter setting submodule, for setting the main camera using the calibration Focusing parameter after adjustment
Focusing parameter.
In one preferred embodiment of the invention, the mobile terminal also includes：
First image data acquisition module, for obtaining the first figure that the main camera is exported according to the acquisition parameters
As data；
First view data display module, for described first image data output to the application processor AP to be carried out
Display.
For mobile terminal embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple,
The relevent part can refer to the partial explaination of embodiments of method.
So, in the embodiment of the present invention, at least two cameras based on mobile terminal quickly set acquisition parameters, for example
Camera includes main camera and secondary camera, and the second view data of secondary camera collection can be obtained first, and based on institute
State the second view data and calculate calibration parameter, finally go to set the acquisition parameters of main camera using calibration parameter, the present invention
Embodiment quickly sets the acquisition parameters of camera in this way, so as to improve shooting speed, lifting user shoots experience.
Example IV
Fig. 5 is the block diagram of the mobile terminal of another embodiment of the present invention.Mobile terminal 700 shown in Fig. 5 includes：At least
One processor 701, memory 702, at least one network interface 704 and other users interface 703.In mobile terminal 700
Each component is coupled by bus system 705.It is understood that bus system 705 is used to realize the company between these components
Connect letter.Bus system 705 is in addition to including data/address bus, in addition to power bus, controlling bus and status signal bus in addition.But
It is that for the sake of clear explanation, various buses are all designated as bus system 705 in Figure 5.
Wherein, user interface 703 can include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 702 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage (Read-
OnlyMemory, ROM), programmable read only memory (ProgrammableROM, PROM), Erasable Programmable Read Only Memory EPROM
(ErasablePROM, EPROM), Electrically Erasable Read Only Memory (ElectricallyEPROM, EEPROM) dodge
Deposit.Volatile memory can be random access memory (RandomAccessMemory, RAM), and it is used as outside slow at a high speed
Deposit.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(StaticRAM, SRAM), dynamic random access memory (DynamicRAM, DRAM), Synchronous Dynamic Random Access Memory
(SynchronousDRAM, SDRAM), double data speed synchronous dynamic RAM (DoubleDataRate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (SynchlinkDRAM, SLDRAM) and direct rambus random access memory
(DirectRambusRAM, DRRAM).The memory 702 of the system and method for description of the embodiment of the present invention is intended to include but not limited
In these memories with any other suitable type.
In some embodiments, memory 702 stores following element, can perform module or data structure, or
Their subset of person, or their superset：Operating system 7021 and application program 7022.
Wherein, operating system 7021, comprising various system programs, such as ccf layer, core library layer, driving layer, are used for
Realize various basic businesses and handle hardware based task.Application program 7022, includes various application programs, such as media
Player (MediaPlayer), browser (Browser) etc., for realizing various applied business.Realize embodiment of the present invention side
The program of method may be embodied in application program 7022.
In embodiments of the present invention, by calling program or the instruction of the storage of memory 702, specifically, can be application
The program stored in program 7022 or instruction, processor 701 are exported for obtaining the secondary camera according to the second preset frame rate
The second view data；Calibration parameter is calculated using second view data；According to the calibration parameter, the master is set
The acquisition parameters of camera.
The method that the embodiments of the present invention are disclosed can apply in processor 701, or be realized by processor 701.
Processor 701 is probably a kind of IC chip, the disposal ability with signal.In implementation process, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 701 or the instruction of software form.Above-mentioned processing
Device 701 can be general processor, digital signal processor (DigitalSignalProcessor, DSP), application specific integrated circuit
(ApplicationSpecific IntegratedCircuit, ASIC), ready-made programmable gate array
(FieldProgrammableGateArray, FPGA) or other PLDs, discrete gate or transistor logic
Device, discrete hardware components.It can realize or perform disclosed each method, step and the box in the embodiment of the present invention
Figure.General processor can be microprocessor or the processor can also be any conventional processor etc..With reference to the present invention
The step of method disclosed in embodiment, can be embodied directly in hardware decoding processor and perform completion, or use decoding processor
In hardware and software module combination perform completion.Software module can be located at random access memory, and flash memory, read-only storage can
In the ripe storage medium in this area such as program read-only memory or electrically erasable programmable memory, register.The storage
Medium is located at memory 702, and processor 701 reads the information in memory 702, and the step of the above method is completed with reference to its hardware
Suddenly.
It is understood that the embodiment of the present invention description these embodiments can with hardware, software, firmware, middleware,
Microcode or its combination are realized.Realized for hardware, processing unit can be realized in one or more application specific integrated circuits
(ApplicationSpecificIntegratedCircuits, ASIC), digital signal processor
(DigitalSignalProcessing, DSP), digital signal processing appts (DSPDevice, DSPD), programmable logic device
(ProgrammableLogicDevice, PLD), field programmable gate array (Field-ProgrammableGateArray,
FPGA), general processor, controller, microcontroller, microprocessor, other electronics lists for performing herein described function
In member or its combination.
For software realize, can by perform the module (such as process, function) of function described in the embodiment of the present invention come
Realize the technology described in the embodiment of the present invention.Software code is storable in memory and by computing device.Memory can
To realize within a processor or outside processor.
Alternatively, processor 701 is additionally operable to：Using the calibration exposure parameter and calibration white balance parameter, set described
The exposure parameter and white balance parameter of main camera.
Alternatively, processor 701 is additionally operable to：Obtain the vision difference data between the main camera and secondary camera；
Focusing parameter is calibrated using described in the vision difference data point reuse；The master is set using the calibration Focusing parameter after adjustment
The Focusing parameter of camera.
Alternatively, processor 701 is additionally operable to：Obtain the first image that the main camera is exported according to the acquisition parameters
Data；Described first image data output to the application processor AP is shown.
Mobile terminal 700 can realize each process that mobile terminal is realized in previous embodiment, to avoid repeating, here
Repeat no more.
So, in the embodiment of the present invention, at least two cameras that mobile terminal has, such as camera include main shooting
Head and secondary camera, the second view data of secondary camera collection can be obtained first, and based on the second view data meter
Calibration parameter is calculated, finally goes to set the acquisition parameters of main camera using calibration parameter.The embodiment of the present invention passes through this side
Formula quickly sets the acquisition parameters of camera, so as to improve shooting speed, lifting user shoots experience.
Embodiment five
Fig. 6 is the structural representation of the mobile terminal of another embodiment of the present invention.Specifically, the mobile terminal in Fig. 6
800 can be mobile phone, tablet personal computer, personal digital assistant (PersonalDigital Assistant, PDA) or vehicle-mounted computer
Deng.
Mobile terminal 800 in Fig. 6 includes radio frequency (RadioFrequency, RF) circuit 810, memory 820, input list
Member 830, display unit 840, processor 860, voicefrequency circuit 870, WiFi (WirelessFidelity) module 880 and power supply
890。
Wherein, input block 830 can be used for the numeral or character information for receiving user's input, and produce and mobile terminal
The signal input that 800 user is set and function control is relevant.Specifically, in the embodiment of the present invention, the input block 830 can
With including contact panel 831.Contact panel 831, also referred to as touch-screen, collect touch operation of the user on or near it
(such as user uses the operations of any suitable object or annex on contact panel 831 such as finger, stylus), and according to advance
The formula of setting drives corresponding attachment means.Optionally, contact panel 831 may include touch detecting apparatus and touch controller
Two parts.Wherein, touch detecting apparatus detects the touch orientation of user, and detects the signal that touch operation is brought, by signal
Send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate,
Give the processor 860 again, and the order sent of reception processing device 860 and can be performed.Furthermore, it is possible to using resistance-type,
The polytypes such as condenser type, infrared ray and surface acoustic wave realize contact panel 831.Except contact panel 831, input block
830 can also include other input equipments 832, and other input equipments 832 can include but is not limited to physical keyboard, function key
One or more in (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Wherein, display unit 840 can be used for information and the movement for showing the information inputted by user or being supplied to user
The various menu interfaces of terminal 800.Display unit 840 may include display panel 841, optionally, can use LCD or organic hairs
The forms such as optical diode (OrganicLight-EmittingDiode, OLED) configure display panel 841.
It should be noted that contact panel 831 can cover display panel 841, touch display screen is formed, when touch display screen inspection
Measure after the touch operation on or near it, processor 860 is sent to determine the type of touch event, with preprocessor
860 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and conventional control viewing area.The Application Program Interface viewing area
And arrangement mode of the conventional control viewing area is not limited, can be arranged above and below, left-right situs etc. can distinguish two and show
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
The interface element such as the icon comprising at least one application program and/or widget desktop controls.The Application Program Interface viewing area
It can also be the empty interface not comprising any content.The conventional control viewing area is used to show the higher control of utilization rate, for example,
Application icons such as settings button, interface numbering, scroll bar, phone directory icon etc..
Wherein processor 860 is the control centre of mobile terminal 800, utilizes various interfaces and connection whole mobile phone
Various pieces, software program and/or module in first memory 821 are stored in by operation or execution, and call storage
Data in second memory 822, perform the various functions and processing data of mobile terminal 800, so as to mobile terminal 800
Carry out integral monitoring.Optionally, processor 860 may include one or more processing units.
In embodiments of the present invention, by call store the first memory 821 in software program and/or module and/
Or the data in the second memory 822, processor 860 is for obtaining what the secondary camera was exported according to the second preset frame rate
Second view data；Calibration parameter is calculated using second view data；The master is set to take the photograph according to the calibration parameter
As the acquisition parameters of head.
Alternatively, the processor 860 is additionally operable to, and using the calibration exposure parameter and calibration white balance parameter, is set
The exposure parameter and white balance parameter of the main camera.
Alternatively, the processor 860 is additionally operable to, and obtains the visual difference heteromerism between the main camera and secondary camera
According to；Focusing parameter is calibrated using described in the vision difference data point reuse；Using the calibration Focusing parameter after adjustment to set
State the Focusing parameter of main camera.
Alternatively, the processor 860 is additionally operable to, and obtains the main camera is exported according to the acquisition parameters first
View data；Described first image data output to the application processor AP is shown.
So, in the embodiment of the present invention, at least two cameras that mobile terminal has, such as camera include main shooting
Head and secondary camera, the second view data of secondary camera collection can be obtained first, and based on the second view data meter
Calibration parameter is calculated, finally goes to set the acquisition parameters of main camera using calibration parameter.The embodiment of the present invention passes through this side
Formula quickly sets the acquisition parameters of camera, so as to improve shooting speed, lifting user shoots experience.
Those of ordinary skill in the art it is to be appreciated that with reference to disclosed in the embodiment of the present invention embodiment description it is each
The unit and algorithm steps of example, can be realized with the combination of electronic hardware or computer software and electronic hardware.These
Function is performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, others can be passed through
Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of device or unit by some interfaces
Connect, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized using in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are to cause a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each of the invention embodiment methods described.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (12)
1. a kind of method to set up of acquisition parameters, applied to the mobile terminal with least two cameras, it is characterised in that institute
Stating camera includes main camera and secondary camera, and the main camera is set to carry out output image number according to the first preset frame rate
According to the secondary camera is set to carry out output image data according to the second preset frame rate, and methods described includes：
Obtain the second view data that the secondary camera is exported according to the second preset frame rate；
Calibration parameter is calculated using second view data；
The acquisition parameters of the main camera are set according to the calibration parameter.
2. according to the method described in claim 1, it is characterised in that the mobile terminal has and camera and image processor
Digital signal processor DSP connected ISP, described image processor ISP is connected to application processor AP.
3. according to the method described in claim 1, it is characterised in that second frame per second is higher than first frame per second.
4. according to the method in claim 2 or 3, it is characterised in that the calibration parameter includes calibration exposure parameter and school
Quasi- white balance parameter, it is described to include the step of the acquisition parameters of the main camera are set according to the calibration parameter：
Using the calibration exposure parameter and calibration white balance parameter, the exposure parameter and white balance ginseng of the main camera are set
Number.
5. according to the method in claim 2 or 3, it is characterised in that the calibration parameter includes calibration Focusing parameter, described
The step of setting the acquisition parameters of the main camera according to the calibration parameter includes：
Obtain the vision difference data between the main camera and secondary camera；
Focusing parameter is calibrated using described in the vision difference data point reuse；
The Focusing parameter of the main camera is set using the calibration Focusing parameter after adjustment.
6. according to the method in claim 2 or 3, it is characterised in that described according to the calibration parameter setting master
After the step of acquisition parameters of camera, in addition to：
Obtain the first view data that the main camera is exported according to the acquisition parameters；
Described first image data output to the application processor AP is shown.
7. a kind of mobile terminal, it is characterised in that the camera of the mobile terminal at least includes main camera and secondary camera,
The main camera is set to carry out output image data according to the first preset frame rate, and the secondary camera is set to pre- according to second
If frame per second carrys out output image data, the mobile terminal includes：
Second image data acquisition module, for obtaining the second picture number that the secondary camera is exported according to the second preset frame rate
According to；
Calibration parameter computing module, for calculating calibration parameter using second view data；
Acquisition parameters setup module, the acquisition parameters for setting the main camera according to the calibration parameter.
8. mobile terminal according to claim 7, it is characterised in that the mobile terminal have with camera and image
The connected digital signal processor DSPs of device ISP are managed, described image processor ISP is connected to application processor AP.
9. mobile terminal according to claim 7, it is characterised in that second frame per second is higher than first frame per second.
10. mobile terminal according to claim 8 or claim 9, it is characterised in that the calibration parameter includes calibration exposure parameter
With calibration white balance parameter, the acquisition parameters setup module includes：
First shoots parameter setting submodule, for using the calibration exposure parameter and calibration white balance parameter, setting described
The exposure parameter and white balance parameter of main camera.
11. mobile terminal according to claim 8 or claim 9, it is characterised in that the calibration parameter includes calibration focusing ginseng
Number, the acquisition parameters setup module includes：
Vision difference data acquisition submodule, for obtaining the vision difference data between the main camera and secondary camera；
Focusing parameter adjustment submodule is calibrated, Focusing parameter is calibrated described in the vision difference data point reuse for using；
Second shoots parameter setting submodule, for setting pair of the main camera using the calibration Focusing parameter after adjustment
Burnt parameter.
12. mobile terminal according to claim 8 or claim 9, it is characterised in that also include：
First image data acquisition module, for obtaining the first picture number that the main camera is exported according to the acquisition parameters
According to；
First view data display module, for described first image data output to the application processor AP to be shown
Show.
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