CN107277352A - The method and mobile terminal of a kind of shooting - Google Patents
The method and mobile terminal of a kind of shooting Download PDFInfo
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- CN107277352A CN107277352A CN201710527227.5A CN201710527227A CN107277352A CN 107277352 A CN107277352 A CN 107277352A CN 201710527227 A CN201710527227 A CN 201710527227A CN 107277352 A CN107277352 A CN 107277352A
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
Abstract
The embodiments of the invention provide a kind of method of shooting and mobile terminal, the mobile terminal has at least three cameras, and methods described includes：Obtain the first view data with different colours component of at least three cameras output；Described first image data have corresponding present image brightness；According to the present image brightness and goal-selling brightness of image, calculate at least three camera and distinguish corresponding brightness of image parameter；When receiving shooting instruction, the second view data with different colours component that at least three camera is exported based on described image luminance parameter is obtained；Destination image data is synthesized using second view data.Using the embodiment of the present invention, the problem of color rendition degree is low can be solved.
Description
Technical field
The present invention relates to communication technical field, the method and a kind of mobile terminal of more particularly to a kind of shooting.
Background technology
With continuing to develop for electronic product, it is mounted with that camera and mobile terminal with shoot function are more and more general
And, user can be shot with it whenever and wherever possible.
Most of current camera is provided on same module, mainly by optical filter (color filter), into
As array (imaging array), sensor (sensor) etc. composition.Each pixel of the sensor (sensor) of camera
One optical filter of correspondence, is specifically referred to Fig. 1；Optical filter is distributed according to Baeyer template (Bayer pattern), and optical filter is
It will be filtered by the light of each pixel (pixel), and each pixel is sensed red or green or blue signal, lead to
Cross AD (analog-to-digital conversion) and convert electrical signals to data signal, the data now obtained are RAW DATA (initial data), such as Fig. 2
It is shown.Therefore in RAW DATA forms, each pixel only stores the data (one kind in R, G, B) of monochrome signal, wants also
It is former into tristimulus signal, in addition it is also necessary to rear end ISP (Image Signal Processor, image-signal processor) is handled.
The RAW DATA that single camera is exported at present, the image being converted into is obtained by the following method：In ISP by three neighbours
The information of near R, G, B pixel does interpolation, obtains the corresponding rgb value of each pixel, finally obtains image.But this way
Defect be that color rendition is low.
The content of the invention
The embodiment of the present invention provides the method and a kind of mobile terminal of a kind of shooting, and to solve, color rendition degree is low to ask
Topic.
First aspect is there is provided a kind of method of shooting, applied to mobile terminal, and the mobile terminal has at least three
Camera, methods described includes：
Obtain the first view data with different colours component of at least three cameras output；First figure
As data have corresponding present image brightness；
According to the present image brightness and goal-selling brightness of image, at least three camera is calculated right respectively
The brightness of image parameter answered；
When receiving shooting instruction, the tool that at least three camera is exported based on described image luminance parameter is obtained
There is the second view data of different colours component；
Destination image data is synthesized using second view data.
Second aspect is there is provided a kind of mobile terminal, applied to mobile terminal, and the mobile terminal has at least three to take the photograph
As head, the mobile terminal includes：
First image data acquisition module, has different colours component for obtain at least three camera output
The first view data；Described first image data have corresponding present image brightness；
Brightness of image parameter calculating module, for according to the present image brightness and goal-selling brightness of image, calculating
Go out at least three camera and distinguish corresponding brightness of image parameter；
Second image data acquisition module, for when receiving shooting instruction, obtaining at least three cameras base
The second view data with different colours component exported in described image luminance parameter；
Destination image data synthesis module, for synthesizing destination image data using second view data.
So, in the embodiment of the present invention, at least three cameras are installed on mobile terminals, and cause these three shootings
The view data of head output is the first view data with different colours component respectively, and the first figure is then based on this basis
Present image brightness and goal-selling brightness of image as data calculate brightness of image parameter respectively, and instruction is shot when receiving
When, the second view data that at least three cameras are exported respectively based on brightness of image parameter is obtained, and use the second picture number
According to synthesis destination image data.
Using the destination image data obtained by the embodiment of the present invention, because the view data of three camera outputs has not
With color component, and can also be based respectively on the brightness of image of the first view data of camera output and calculate brightness of image
Parameter is adjusted for camera, so that camera not only divides in the second view data for receiving shooting instruction output
Color component that Ju You be not different, and brightness of image reaches target component, the destination image data so synthesized has high-resolution
Degree, color rendition and the brightness of image.
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 schematic diagram of the optical filter of the sensor of camera；
Fig. 2 is the schematic diagram that a kind of view data of camera output puts in order；
Fig. 3 is a kind of step flow chart of the embodiment of the method for shooting of the embodiment of the present invention one；
Fig. 4 is a kind of schematic diagram that puts in order of destination image data of synthesis of the present invention；
Fig. 5 is a kind of step flow chart of the embodiment of the method for shooting of the embodiment of the present invention two；
Fig. 6 is a kind of schematic diagram of mobile phone software and hardware framework of the present invention；
Fig. 7 is that a kind of of the present invention realizes the flow chart for shooting simultaneously composograph based on three cameras；
Fig. 8 is a kind of structured flowchart of mobile terminal embodiment of the embodiment of the present invention three；
Fig. 9 is the block diagram of the mobile terminal of another embodiment of the present invention；
Figure 10 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 3, shows a kind of step flow chart of the embodiment of the method for shooting of the present invention, applied to mobile whole
End, the mobile terminal has at least three cameras, and methods described specifically may include steps of：
Step 101, the first view data with different colours component of at least three cameras output is obtained；Institute
Stating the first view data has corresponding present image brightness；
In embodiments of the present invention, at least three cameras are installed on mobile terminal.Wherein, these cameras have respectively
There is corresponding filter, these filters were used to filter out the color component outside designated color component.
At present, a kind of the more commonly used color mode of industry is rgb color pattern, and rgb color pattern is the one of industrial quarters
Kind of color standard, is by red (R), green (G), the change of blue (B) three Color Channels and their superpositions each other
To obtain miscellaneous color.RGB is the color for representing three passages of red, green, blue, and this standard almost includes the mankind
The all colours that eyesight can be perceived are current with one of most wide color system.The embodiment of the present invention is this using RGB
During color mode, three cameras can be installed on mobile terminals, then these three cameras can correspond to installation R component respectively
Filter, G components filter and B component filter.Unwanted color component, such as R points are filtered in the effect of filter in simple terms, exactly
Amount filter can filter G components and B component, only retain R component.
It should be noted that the camera number of the embodiment of the present invention is not limited solely to three, can be according to actual feelings
Condition is adjusted, and is accordingly also adjusted for filter, and the embodiment of the present invention is not any limitation as to this.For example, for
RGBW is this on the basis of original RGB three primary colors composition pixel, is further added by a white sub-pixel W, forms the colors of RGBW tetra-
The color mode of pixel, then can install four cameras, and be respectively this four camera peaces based on RGBW color modes
Fill corresponding filter.
Combination based on above-mentioned camera and filter so that the picture number for the camera output that the present invention is got
According to being first view data respectively with R, G, B these color components.In addition, these first view data have phase respectively
The present image brightness answered.
Step 102, according to the present image brightness and goal-selling brightness of image, at least three shooting is calculated
The corresponding brightness of image parameter of head difference；
In order to obtain reaching the view data of goal-selling brightness of image, it is necessary to according to the present image of view data
Brightness is accordingly adjusted.Due to having at least three cameras in the embodiment of the present invention, so, in embodiments of the present invention,
Brightness of image parameter accordingly will be calculated respectively according to present image brightness and goal-selling brightness of image, in simple terms, just
Be reach goal-selling brightness of image and need how the parameter being adjusted for camera.
Step 103, when receiving shooting instruction, obtain at least three camera and be based on described image luminance parameter
The second view data with different colours component of output；
After brightness of image parameter is obtained, it will be adjusted based on brightness of image parameter for camera, so connecing
When receiving the shooting instruction that user sends, it is possible to which at least three view data of target image brightness can be reached by getting.
Step 104, destination image data is synthesized using second view data.
After the second view data that at least three cameras are exported respectively is obtained, it is possible to be combined, obtain target
View data.Wherein, the second view data of the embodiment of the present invention is the view data respectively with different colours component；For example
Can be the view data with R component, the view data with G components and the view data with B component, for these figures
As data are synthesized, the destination image data with RGB color component will be obtained.In terms of existing technologies, due to
RGB color component is already had, so interpolation need not be done in the information of neighbouring R, G, B pixel to obtain a pixel pair
The RGB color component answered.
For example, it is assumed that mobile terminal has three cameras S1, S2 and S3, if passing through each shooting of three cameras
The filter of head all only has a kind of color, that is, the image of each camera output only has the information of a color component in RGB,
That is S1 exports P_R, S2 output P_G, S3 outputs P_B.Synthesized by ISP, can obtain each pixel has complete RGB information
Image, be specifically referred to Fig. 4.
So, in the embodiment of the present invention, at least three cameras are installed on mobile terminals, and cause these three shootings
The view data of head output is the first view data with different colours component respectively, and the first figure is then based on this basis
Present image brightness and goal-selling brightness of image as data calculate brightness of image parameter respectively.Instruction is shot when receiving
When, the second view data that at least three cameras are exported respectively based on brightness of image parameter is obtained, and use the second picture number
According to synthesis destination image data.
Using the destination image data obtained by the embodiment of the present invention, because the view data of three camera outputs has not
With color component, and can also be based respectively on the brightness of image of the first view data of camera output and calculate brightness of image
Parameter is adjusted for camera, so that camera not only divides in the second view data for receiving shooting instruction output
Color component that Ju You be not different, and brightness of image reaches target component, the destination image data so synthesized has high-resolution
Degree, color rendition and the brightness of image.
Embodiment two
Reference picture 5, shows a kind of step flow chart of the embodiment of the method for shooting of the present invention, applied to mobile whole
End, the mobile terminal has at least three cameras, and methods described specifically may include steps of：
Step 201, the first view data with different colours component of at least three cameras output is obtained；Institute
Stating the first view data has corresponding present image brightness.
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 camera system of mobile terminal, it is provided with and is connected digital signal processor with the sensor sensor of camera
DSP, can carry out image procossing for the view data of thecamera head.In actual applications, the inside of dsp chip uses journey
Sequence and the separated Harvard structure of data, with special hardware multiplier, there is provided special DSP for widely used pile line operation
Instruction, can be for quickly realizing various digital signal processing algorithms.Wherein, DSP can be set in internal or external mode
Mobile terminal is placed in, is set according to the actual requirements, the embodiment of the present invention is not any limitation as to this.
Wherein, MIPI (Mobile Industry Processor can be passed through between DSP, sensor and ISP
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.
Step 202, the DSP is calculated and is obtained the difference of the goal-selling brightness of image and the present image brightness
Value.
The embodiment of the present invention, DSP calculates goal-selling brightness of image and the difference of present image brightness.
Step 203, according to the mathematic interpolation and obtain at least three camera and distinguish corresponding exposure gain value
With exposure line number value.
Each camera can be calculated based on difference and distinguish corresponding exposure gain value (gain) and exposure line number value
(linecount)。
Step 204, the exposure gain value is preserved corresponding at least three camera respectively with exposure line number value
Register in.
Each camera of the embodiment of the present invention has corresponding register respectively.Calculating exposure gain value (gain)
After exposure line number value (linecount), it will preserve respectively into the corresponding register of each camera.
Step 205, the DSP reads corresponding exposure gain value and exposure line number value respectively from register, and adopts
Camera is adjusted with the exposure gain value and exposure line number value.
The embodiment of the present invention is after exposure gain value (gain) and exposure line number value (linecount) is calculated, it is possible to
Read out respectively from corresponding register, and based on exposure gain value (gain) and expose line number value (linecount) for
Camera is adjusted.Wherein, the opportunity of adjustment can be before or after shooting instruction is received, without being limited
System.
Step 206, when receiving shooting instruction, obtaining based on what the camera after adjustment was exported has different colours
Second view data of component.
When receiving shooting instruction, it is possible to which what the camera after being obtained at DSP based on adjustment was exported respectively has
The view data of different colours component, view data now not only with different color components, and has reached target
Brightness of image.
Step 207, second view data is synthesized destination image data by the DSP.
For with different colours component and the view data for reaching target image brightness, being synthesized, it is possible to obtain
Clearly, color rendition and the normal destination image data of brightness.
In one preferred embodiment of the invention, before the step 208, it can also comprise the following steps：
The DSP reads the attitude data of at least three camera；
Second view data is corrected according to the attitude data.
It should be noted that because multiple cameras of the present invention are to be located at different camera modules, so the present invention is implemented
The position and angle that example further can also be put according to module are calculated, and are corrected, and successive image synthesis does homework.
In one preferred embodiment of the invention, after the step 208, it can also comprise the following steps：
The DSP transmits the destination image data to ISP.
In embodiments of the present invention, for brightness of image gain calculating and the adjustment of the brightness for view data,
It can complete in dsp.After completion is adjusted in DSP, it can further be transferred to rear end ISP and carry out its follow-up elsewhere
Reason.
Had the advantage that using the embodiment of the present invention it is as follows, by taking three cameras on mobile phone as an example：
1st, the embodiment of the present invention only needs to three identical target (target image brightness can also be luma_target)
Image because target=gain*linecount, and gain can increase noise, it is possible to reduce R passages logical with B
Gain values used in road, increase linecount values to realize our demand.So effectively subtract when energy is synthesized in the later stage
Small colored noise, but definition, color rendition are not influenceed with brightness of image.
2nd, specific such as Fig. 4, to each pixel, the embodiment of the present invention has the complete view data of three passages, institute
With it goes without doing dimosaic (removal demosaicing algorithm), definition and color rendition all can be well more many than the image of same size.
3rd, by adjusting R, G, B gain values, the function of filter can easily be can be achieved with.
4th, by adding external DSP, the image information of more abundant form (YUV/BAYER/RGB) can be received in AP
(present invention is added due to DSP, it is possible to achieve the more processing of diversification).
5th, specific such as Fig. 6, saves mobile phone terminal MIPI interfaces, and maintain existing mobile phone software and hardware framework.
In order that those skilled in the art more fully understand the embodiment of the present invention, below using instantiation for the present invention
Realize that the whole process for shooting simultaneously composograph is illustrated based on three cameras.
There are three cameras S1, S2, S3 on reference picture 7, mobile phone.Wherein, three cameras S1, S2, S3 meet following bar
Part：
1st, S1 filter only has R colors, and S2 filter only has G colors, and S3 filter only has B colors.
2nd, the same focus of the angled alignment of three cameras.Certainly, this angle can be based on different hands
Machine is adjusted.
3rd, three three road MIPI of camera point are output to DSP simultaneously.
4th, DSP only stay all the way MIPI data cube computations to ISP.
Specifically, the method for this example may comprise steps of：
Step 301：User is received to ask into camera；
In embodiments of the present invention, this step refers to that user opens camera applications, into camera to be shot.Terminate
Step 302 is performed afterwards.
Step 302：DSP receives the initial data that a frame camera is shot.
This step refers to that DSP receives a frame image data of the sensor output of three cameras, and this is without any
The initial data of the sensor collection of algorithm process.Step 303 is performed after end.
Step 303：Gain values and linecount values that current environment needs are calculated based on raw image data.
This step refers to that DSP uses the initial data of step 302, calculates three cameras according to the luminance meter of ambient light and reaches
The gain values and linecount values needed to luma_target.Step 302 is performed after end.If user shoots, come in enters step
Rapid 304.
Step 304：Adjust the gain values and linecount values of each camera.
This step is the gain values obtained according to step 303, and whether 1/N* is used with S3 by algorithm adjust automatically S1
Gain and N*linecount.S2 uses normal gain values and linecount values, and step 305 is performed after terminating.
Step 305：Gain values and linecount values camera are write into corresponding camera register.
After this step is the gain values and linecount values for obtaining step 304, and respectively by gain values and
Linecount values are write in the register of correspondence camera.Step 306 is performed after end.
Step 306：Respectively obtain three images P_R, P_G, P_B that three cameras are collected respectively.
This step is that on the basis of step 305, DSP preserves down data after obtaining the data of three camera output
Come.Step 307 is performed after end.
Step 307：The information such as the position of correcting image.
This step is three images for obtaining DSP, and the position and angle put according to three modules are calculated, and is rectified
Just, be step 308 image synthesis do homework, after terminating enter step 308.
Step 308：DSP is synthesized image.
This step can be synthesized obtain three images by DSP, and be set according to user, and obtain one can
To be the image of the forms such as RGB/YUV/BAYER, step 309. is entered after terminating
Step 309：DSP output image data are to ISP.
This step is that DSP exports an image and gives mobile phone terminal ISP, mobile phone terminal ISP to carry out existing normal flow shooting again
Preserve.
Step 310：When receiving shooting instruction again, step 302 is returned to.
From the point of view of above method flow, mobile phone terminal ISP is received after image, all software, hardware frame flow
It need not all change, it is ensured that the unification of mobile phone terminal flow.
Using the present embodiment, because luma_target=gain*linecount in theory, and gain can increase noise.
So the linecount values by reducing gain values used in R passages and channel B, increase R passages and channel B.Do not change G
Gain values and the linecount of passage are worth to three identical target picture, synthesize obtained image by the later stage, not only
Colored noise can be reduced and the brightness of definition, color rendition and photo can not be influenceed.
The present embodiment saves mobile phone terminal MIPI interfaces, by the way that the algorithm of image procossing is moved by adding an external DSP
Into external DSP, mobile phone terminal software and hardware flow, the unification of framework are also kept.
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 8, shows a kind of structured flowchart of mobile terminal embodiment of the present invention, and the mobile terminal has extremely
Few three cameras, can specifically include following module：
First image data acquisition module 401, has different colours for obtain at least three camera output
First view data of component；Described first image data have corresponding present image brightness；
Brightness of image parameter calculating module 402, for according to the present image brightness and goal-selling brightness of image, meter
Calculate at least three camera and distinguish corresponding brightness of image parameter；
Second image data acquisition module 403, for when receiving shooting instruction, obtaining at least three camera
The second view data with different colours component exported based on described image luminance parameter；
Destination image data synthesis module 404, for synthesizing destination image data using second view data.
In one preferred embodiment of the invention, the mobile terminal includes the sensor of camera, image processor
ISP and digital signal processor DSP, the DSP are based on mobile Industry Processor Interface MIPI and are connected to the sensor and institute
State between ISP.
In one preferred embodiment of the invention, the camera has corresponding filter respectively, and the filter is used for
Cross and filter out color component outside designated color component.
In one preferred embodiment of the invention, the camera includes R cameras, G cameras and B cameras, institute
Stating filter includes R component filter, G components filter and B component filter.
In one preferred embodiment of the invention, described image luminance parameter includes exposure gain value and exposure line number
Value, described image luminance parameter computing module 402 includes：
Luminance difference calculating sub module, calculates for the DSP and obtains the goal-selling brightness of image and work as with described
The difference of preceding brightness of image；；
Luminance parameter calculating sub module, for according to the mathematic interpolation and obtaining out at least three camera and distinguishing
Corresponding exposure gain value and exposure line number value.
In one preferred embodiment of the invention, the camera has corresponding register respectively, in addition to：
Data preserve submodule, for the exposure gain value and exposure line number value to be preserved to described at least three respectively
In the corresponding register of camera.
In one preferred embodiment of the invention, the second image data acquisition module 403 includes：
Luminance parameter reading submodule, read respectively from register for the DSP corresponding exposure gain value and
Expose line number value；
Camera adjusts submodule, for being adjusted using the exposure gain value and exposure line number value to camera；
Second image data acquisition submodule, for obtaining based on adjustment after camera exported have different colours
Second view data of component.
In one preferred embodiment of the invention, the mobile terminal also includes：
Attitude data read module, the attitude data of at least three camera is read for the DSP；
Second view data rectification module, for being corrected according to the attitude data to second view data.
In one preferred embodiment of the invention, the destination image data synthesis module 404 includes：
DSP target images synthesize submodule, and second view data is synthesized into target image number for the DSP
According to.
In one preferred embodiment of the invention, the mobile terminal also includes：
Destination image data transmits submodule, transmits the destination image data to ISP for the DSP.
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 three cameras are installed on mobile terminals, and cause these three shootings
The view data of head output is the first view data with different colours component respectively, and the first figure is then based on this basis
Present image brightness and goal-selling brightness of image as data calculate brightness of image parameter respectively, and instruction is shot when receiving
When, the second view data that at least three cameras are exported respectively based on brightness of image parameter is obtained, and use the second picture number
According to synthesis destination image data.
Using the destination image data obtained by the embodiment of the present invention, because the view data of three camera outputs has not
With color component, and can also be based respectively on the brightness of image of the first view data of camera output and calculate brightness of image
Parameter is adjusted for camera, so that camera not only divides in the second view data for receiving shooting instruction output
Color component that Ju You be not different, and brightness of image reaches target component, the destination image data so synthesized has high-resolution
Degree, color rendition and the brightness of image.
Example IV
Fig. 9 is the block diagram of the mobile terminal of another embodiment of the present invention.Mobile terminal 700 shown in Fig. 9 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 fig .9.
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 different for obtaining having at least three cameras output
First view data of color component；Described first image data have corresponding present image brightness；According to the current figure
Image brightness and goal-selling brightness of image, calculate at least three camera and distinguish corresponding brightness of image parameter；When connecing
When receiving shooting instruction, obtain at least three camera and divided based on what described image luminance parameter was exported with different colours
Second view data of amount；Destination image data is synthesized using second view data.
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：The DSP is calculated and obtained the goal-selling brightness of image to be worked as with described
The difference of preceding brightness of image；；According to the mathematic interpolation and obtain out the corresponding exposure of at least three camera difference and increase
Benefit value and exposure line number value.
Alternatively, processor 701 is additionally operable to：By the exposure gain value and exposure line number value preserve respectively to it is described at least
In the corresponding register of three cameras.
Alternatively, processor 701 is additionally operable to：The DSP read respectively from register corresponding exposure gain value and
Expose line number value；Camera is adjusted using the exposure gain value and exposure line number value；Obtain based on taking the photograph after adjustment
The second view data with different colours component exported as head.
Alternatively, processor 701 is additionally operable to：The DSP reads the attitude data of at least three camera；According to institute
Attitude data is stated to correct second view data.
Alternatively, processor 701 is additionally operable to：Second view data is synthesized destination image data by the DSP.
Alternatively, processor 701 is additionally operable to：The DSP transmits the destination image data to ISP.
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 three cameras are installed on mobile terminals, and cause these three shootings
The view data of head output is the first view data with different colours component respectively, and the first figure is then based on this basis
Present image brightness and goal-selling brightness of image as data calculate brightness of image parameter respectively, and instruction is shot when receiving
When, the second view data that at least three cameras are exported respectively based on brightness of image parameter is obtained, and use the second picture number
According to synthesis destination image data.
Using the destination image data obtained by the embodiment of the present invention, because the view data of three camera outputs has not
With color component, and can also be based respectively on the brightness of image of the first view data of camera output and calculate brightness of image
Parameter is adjusted for camera, so that camera not only divides in the second view data for receiving shooting instruction output
Color component that Ju You be not different, and brightness of image reaches target component, the destination image data so synthesized has high-resolution
Degree, color rendition and the brightness of image.
Embodiment five
Figure 10 is the structural representation of the mobile terminal of another embodiment of the present invention.Specifically, the mobile end in Figure 10
End 800 can be mobile phone, tablet personal computer, personal digital assistant (PersonalDigital Assistant, PDA) or vehicle mounted electric
Brain etc..
Mobile terminal 800 in Figure 10 includes radio frequency (RadioFrequency, RF) circuit 810, memory 820, input
Unit 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, what processor 860 was used to obtaining at least three camera output has different face
First view data of colouring component；Described first image data have corresponding present image brightness；According to the present image
Brightness and goal-selling brightness of image, calculate at least three camera and distinguish corresponding brightness of image parameter；Work as reception
To when shooting instruction, acquisition at least three camera has different colours component based on what described image luminance parameter was exported
The second view data；Destination image data is synthesized using second view data.
Alternatively, the processor 860 is additionally operable to, and the DSP is calculated and obtained the goal-selling brightness of image and institute
State the difference of present image brightness；；According to the mathematic interpolation and obtain out that at least three camera difference is corresponding to expose
Gain of light value and exposure line number value.
Alternatively, the processor 860 is additionally operable to, and the exposure gain value and exposure line number value are preserved to described respectively
In the corresponding register of at least three cameras.
Alternatively, the processor 860 is additionally operable to, and the DSP reads corresponding exposure gain respectively from register
Value and exposure line number value；Camera is adjusted using the exposure gain value and exposure line number value；Obtain based on after adjustment
The second view data with different colours component for being exported of camera.
Alternatively, the processor 860 is additionally operable to, and the DSP reads the attitude data of at least three camera；Root
Second view data is corrected according to the attitude data.
Alternatively, the processor 860 is additionally operable to, and second view data is synthesized target image number by the DSP
According to.
Alternatively, the processor 860 is additionally operable to, and the DSP transmits the destination image data to ISP.
For the embodiment of mobile terminal 800, because it is substantially similar to embodiment of the method, so the comparison of description is simple
Single, the relevent part can refer to the partial explaination of embodiments of method.
So, in the embodiment of the present invention, at least three cameras are installed on mobile terminals, and cause these three shootings
The view data of head output is the first view data with different colours component respectively, and the first figure is then based on this basis
Present image brightness and goal-selling brightness of image as data calculate brightness of image parameter respectively, and instruction is shot when receiving
When, the second view data that at least three cameras are exported respectively based on brightness of image parameter is obtained, and use the second picture number
According to synthesis destination image data.
Using the destination image data obtained by the embodiment of the present invention, because the view data of three camera outputs has not
With color component, and can also be based respectively on the brightness of image of the first view data of camera output and calculate brightness of image
Parameter is adjusted for camera, so that camera not only divides in the second view data for receiving shooting instruction output
Color component that Ju You be not different, and brightness of image reaches target component, the destination image data so synthesized has high-resolution
Degree, color rendition and the brightness of image.
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 (20)
1. a kind of method of shooting, applied to mobile terminal, it is characterised in that the mobile terminal has at least three shootings
Head, methods described includes：
Obtain the first view data with different colours component of at least three cameras output；Described first image number
According to corresponding present image brightness；
According to the present image brightness and goal-selling brightness of image, at least three cameras difference is calculated corresponding
Brightness of image parameter；
When receiving shooting instruction, obtain at least three camera is had not based on what described image luminance parameter was exported
With the second view data of color component；
Destination image data is synthesized using second view data.
2. according to the method described in claim 1, it is characterised in that the mobile terminal includes sensor, the image of camera
Processor ISP and digital signal processor DSP, the DSP are connected to described by mobile Industry Processor Interface MIPI
Between sensor and the ISP.
3. according to the method described in claim 1, it is characterised in that the camera has corresponding filter, the filter respectively
Mirror was used to filter out the color component outside designated color component.
4. method according to claim 3, it is characterised in that the camera includes R cameras, G cameras and B shootings
Head, the filter includes R component filter, G components filter and B component filter.
5. method according to claim 2, it is characterised in that described image luminance parameter includes exposure gain value and exposure
Line number value, it is described according to the present image brightness and goal-selling brightness of image, calculate at least three camera point
Not corresponding brightness of image parameter the step of include：
The DSP is calculated and is obtained the difference of the goal-selling brightness of image and the present image brightness；
According to the mathematic interpolation and obtain at least three camera and distinguish corresponding exposure gain value and exposure line number value.
6. method according to claim 5, it is characterised in that at least three camera has corresponding deposit respectively
Device, according to the mathematic interpolation and obtains out at least three camera and distinguishes corresponding exposure gain value and exposure described
After the step of line number value, in addition to：
The exposure gain value and exposure line number value are preserved into the corresponding register of at least three camera respectively.
7. method according to claim 6, it is characterised in that acquisition at least three camera is based on the figure
The step of the second view data with different colours component that image brightness parameter is exported respectively, includes：
The DSP reads corresponding exposure gain value and exposure line number value respectively from register；
Camera is adjusted using the exposure gain value and exposure line number value；
Obtain the second view data with different colours component exported based on the camera after adjustment.
8. according to the method described in claim 1, it is characterised in that described using second view data synthesis target figure
Before as the step of data, in addition to：
The DSP reads the attitude data of at least three camera；
Second view data is corrected according to the attitude data.
9. according to the method described in claim 1, it is characterised in that described that target image is synthesized using second view data
The step of data, includes：
Second view data is synthesized destination image data by the DSP.
10. method according to claim 9, it is characterised in that described using second view data synthesis target
After the step of view data, in addition to：
The DSP transmits the destination image data to ISP.
11. a kind of mobile terminal, applied to mobile terminal, it is characterised in that the mobile terminal has at least three cameras,
The mobile terminal includes：
First image data acquisition module, the with different colours component for obtaining at least three camera output
One view data；Described first image data have corresponding present image brightness；
Brightness of image parameter calculating module, for according to the present image brightness and goal-selling brightness of image, calculating institute
State at least three cameras and distinguish corresponding brightness of image parameter；
Second image data acquisition module, for when receiving shooting instruction, obtaining at least three camera and being based on institute
State the second view data with different colours component of brightness of image parameter output；
Destination image data synthesis module, for synthesizing destination image data using second view data.
12. mobile terminal according to claim 11, it is characterised in that the mobile terminal includes camera
Sensor, image processor ISP and digital signal processor DSP, the DSP pass through mobile Industry Processor Interface MIPI connections
Between the sensor and the ISP.
13. mobile terminal according to claim 11, it is characterised in that the camera has corresponding filter respectively,
The filter was used to filter out the color component outside designated color component.
14. mobile terminal according to claim 13, it is characterised in that the camera includes R cameras, G cameras
With B cameras, the filter includes R component filter, G components filter and B component filter.
15. mobile terminal according to claim 12, it is characterised in that described image luminance parameter includes exposure gain value
With exposure line number value, described image luminance parameter computing module includes：
Luminance difference calculating sub module, calculates for the DSP and obtains the goal-selling brightness of image and the current figure
The difference of image brightness；；
Luminance parameter calculating sub module, for according to the mathematic interpolation and obtaining out at least three camera and corresponding to respectively
Exposure gain value and exposure line number value.
16. mobile terminal according to claim 15, it is characterised in that the camera has corresponding deposit respectively
Device, in addition to：
Data preserve submodule, for the exposure gain value and exposure line number value to be preserved at least three shooting respectively
In corresponding register.
17. mobile terminal according to claim 16, it is characterised in that the second image data acquisition module includes：
Luminance parameter reading submodule, corresponding exposure gain value and exposure are read for the DSP respectively from register
Line number value；
Camera adjusts submodule, for being adjusted using the exposure gain value and exposure line number value to camera；
Second image data acquisition submodule, for obtaining based on adjustment after camera exported have different colours component
The second view data.
18. mobile terminal according to claim 11, it is characterised in that also include：
Attitude data read module, the attitude data of at least three camera is read for the DSP；
Second view data rectification module, for being corrected according to the attitude data to second view data.
19. mobile terminal according to claim 11, it is characterised in that the destination image data synthesis module includes：
DSP target images synthesize submodule, and second view data is synthesized into destination image data for the DSP.
20. mobile terminal according to claim 19, it is characterised in that also include：
Destination image data transmits submodule, transmits the destination image data to ISP for the DSP.
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| CN201710527227.5A CN107277352A (en) | 2017-06-30 | 2017-06-30 | The method and mobile terminal of a kind of shooting |
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