CN105959574A - Photographing method and mobile terminal - Google Patents
Photographing method and mobile terminal Download PDFInfo
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- CN105959574A CN105959574A CN201610515061.0A CN201610515061A CN105959574A CN 105959574 A CN105959574 A CN 105959574A CN 201610515061 A CN201610515061 A CN 201610515061A CN 105959574 A CN105959574 A CN 105959574A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
- H04N23/683—Vibration or motion blur correction performed by a processor, e.g. controlling the readout of an image memory
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Studio Devices (AREA)
- Telephone Function (AREA)
Abstract
The invention provides a photographing method and a mobile terminal. The photographing method comprises the steps of starting a first camera and a second camera; controlling the first camera to collect images, displaying the images in a photographing preview interface in real time, and moreover, controlling the second camera to collect images and caching the images in real time; obtaining target photographing parameters input by a mobile terminal user at a first preset moment; controlling the second camera to collect images according to the target photographing parameters and caching the images in real time; and generating a picture by one image cached by the second camera according to the target photographing parameters at a second preset moment and storing the picture when a photographing instruction input by the mobile terminal user is received at the second preset moment. According to the method and the mobile terminal, the first camera outputs the images for preview according to a first preset size; the second camera is used for photographing; the power-on/power-off time of a single camera is saved; the photographing speed in a professional mode is improved; moreover, the preview is unnecessarily stopped in the photographing process; and the brightness and user experience of previewing the images are not influenced.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of photographic method and mobile terminal.
Background technology
At present professional mode (manually arranges light sensitivitys ISO or time of exposure, exposure value EV, focal length, white
Balance etc.) flow process of taking pictures as follows: use non-zero second snap ZSL to take pictures, preview when,
The sensor sensor size using 1/4 exports, and user setup aperture time and ISO, in preview
When do not come into force, click on when take pictures, again by sensor power-on and power-off, allow sensor export full chi
Very little image, and aperture time and ISO are arranged in the depositor of sensor, grab the image taken pictures
After, the most again by sensor again power-on and power-off, allow sensor export with the sensor size of 1/4, weight
Newly start preview.Professional mode take pictures flow process spend overlong time, affect Consumer's Experience.
Summary of the invention
The embodiment of the present invention provides a kind of photographic method and mobile terminal, to solve professional mode in prior art
In flow process of taking pictures, photographic head needs the problem that repeatedly power-on and power-off cause the overlong time spent.
On the one hand, the embodiment of the present invention provides a kind of photographic method, is applied to have the first photographic head and second
The mobile terminal of photographic head, described photographic method includes:
When receive the startup of camera function of mobile phone users request time, start described first photographic head and
Second camera；
Control described first photographic head and gather image according to the first preset image sizes, and by described first shooting
The image that collects of head shows in real time is taking pictures in preview interface, controls described second camera according to the simultaneously
Two preset image sizes gather image, and are cached in real time by the image that described second camera collects；
Obtain described mobile phone users to take pictures parameter in the target that the first predetermined time inputs；
Control described second camera to take pictures parameter acquisition image according to described target, and by described second shooting
The image that head collects caches in real time；
When the second predetermined time receives the photographing instruction of described mobile phone users input, by described second
Photographic head generates photo according to a take pictures two field picture of described second predetermined time that parameter cached of described target
And preserve；
Wherein, described first preset image sizes is less than described second preset image sizes.
On the other hand, the embodiment of the present invention also provides for a kind of mobile terminal, and described mobile terminal has first and takes the photograph
As head and second camera, described mobile terminal includes:
Start module, for when receiving the startup of camera function of mobile phone users request, starting institute
State the first photographic head and second camera；
First image capture module, for when starting control after module starts the first photographic head and second camera
Make described first photographic head and gather image according to the first preset image sizes, and by described first camera collection
To image show in real time and taking pictures in preview interface, control described second camera simultaneously and preset according to second
Picture size gathers image, and is cached in real time by the image that described second camera collects；
Parameter acquisition module, the target inputted at the first predetermined time for obtaining described mobile phone users is clapped
According to parameter；
Second image capture module, is used for controlling described second camera and takes pictures parameter acquisition according to described target
Image, and the image that described second camera collects is cached in real time；
Memory module, for receiving the photographing instruction of described mobile phone users input at the second predetermined time
Time, the one of described second predetermined time that parameter cached that described second camera is taken pictures according to described target
Two field picture generates photo and preserves；
Wherein, described first preset image sizes is less than described second preset image sizes.
So, in the embodiment of the present invention, by arranging two photographic head, the first photographic head presets chi with first
Little progress row image exports, and for preview, second camera carries out image output with the second pre-set dimension, is used for
Take pictures；Eliminate the time of the power-on and power-off of single photographic head so that the speed that professional mode is taken pictures improves, with
Time the process of taking pictures need not stop preview and nor affect on brightness and the Consumer's Experience of preview image.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the embodiment of the present invention will be retouched below
In stating, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creative work
On the premise of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 represents the flow chart of steps of the photographic method that the first embodiment of the present invention provides；
Fig. 2 represents the flow chart of steps of the photographic method that the second embodiment of the present invention provides；
Fig. 3 represents the flow chart of steps of the photographic method that the third embodiment of the present invention provides；
Fig. 4 represents one of structural representation of mobile terminal that the fourth embodiment of the present invention provides；
Fig. 5 represents the two of the structural representation of the mobile terminal that the fourth embodiment of the present invention provides；
Fig. 6 represents the three of the structural representation of the mobile terminal that the fourth embodiment of the present invention provides；
Fig. 7 represents the structural representation of the mobile terminal that the fifth embodiment of the present invention provides；
Fig. 8 represents the structural representation of the mobile terminal that the sixth embodiment of the present invention provides.
Detailed description of the invention
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 clearly
Chu, it is fully described by, it is clear that described embodiment is a part of embodiment of the present invention rather than all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
First embodiment
As it is shown in figure 1, the first embodiment of the present invention provides a kind of photographic method, it is applied to have first and takes the photograph
As head and the mobile terminal of second camera, this photographic method includes:
Step 101, when receiving the startup of camera function of mobile phone users request, starts described first
Photographic head and second camera.
In this step, mobile terminal includes two photographic head, the respectively first photographic head and second camera.
It should be noted that this first photographic head and second camera are disposed adjacent, this first photographic head and second is taken the photograph
The image collected as head is generally regarded as consistent image；When user inputs startup request, first
Photographic head and second camera power on simultaneously.
Step 102, controls described first photographic head and gathers image according to the first preset image sizes, and by described
First camera collection to image show in real time and taking pictures in preview interface, control described second shooting simultaneously
Head gathers image according to the second preset image sizes, and is delayed in real time by the image that described second camera collects
Deposit.
In this step, the first photographic head is used for preview, and second camera is used for taking pictures, during so that take pictures
Need not stop preview, direct backstage captures the image that second camera gathers.Concrete, the first photographic head is adopted
The size being smaller in size than the image that second camera gathers of the image of collection.I.e. in the first embodiment of the present invention
Described first preset image sizes is less than described second preset image sizes.I.e. preview image be smaller in size than bat
Size according to image.Concrete, the first preset image sizes could be arranged to the size of the imageing sensor of 1/4,
Second preset image sizes could be arranged to the full-scale of imageing sensor.It should be noted that it is above-mentioned to
One preset image sizes and the relatively good implementation being limited only to the present invention of the second preset image sizes, no
For limiting the protection domain of the application, other sizes are equally applicable to the application.
It should be noted that mobile terminal is previously provided with the parameter of taking pictures of acquiescence, the first shooting in this step
Head and second camera power on the most all according to the parameter acquisition image of taking pictures given tacit consent to；Concrete, the first shooting
The acquiescence of head parameter parameter of can taking pictures with the acquiescence of second camera of taking pictures is identical, it is also possible to the second shooting
The acquiescence of head parameter of taking pictures is different, is not especially limited at this.
Step 103, obtains described mobile phone users and takes pictures parameter in the target that the first predetermined time inputs.
In this step, the exposal model can revised for parameter of taking pictures due to the application, generally specialty mould
Formula, therefore user can manually adjust parameter of taking pictures, if parameter of taking pictures is not adjusted by user, then obtains acquiescence
Parameter of taking pictures；If user manually adjusts parameter of taking pictures, then obtain the target after adjusting and take pictures parameter.
It is only used for preview further as the first photographic head, therefore the target of its user input takes pictures parameter without joining
Put the first photographic head, i.e. user arrange target take pictures parameter when, if acquisition parameters is ISO and fast
Door the time in any one, the first photographic head does not comes into force, if acquisition parameters be exposure compensating, white balance,
Any one in auto-focusing and manual focus, the first photographic head comes into force with regard to preview.And second camera is used for
Take pictures, then need the target according to user's input to take pictures parameter configuration second camera.
Step 104, controls described second camera and takes pictures parameter acquisition image according to described target, and by described
The image that second camera collects caches in real time.
In this step, mobile phone users input target is taken pictures after parameter, and second camera is clapped according to target
According to parameter acquisition image, and image is cached.Concrete, target parameter of taking pictures can be joined by real-time
Put on second camera, it is also possible to be configured to again on second camera after the time delay regular hour.Tool
Body situation can take pictures according to its target parameter concrete condition depending on.
Step 105, when the second predetermined time receives the photographing instruction of described mobile phone users input, will
Described second camera is taken pictures according to described target a two field picture of described second predetermined time that parameter cached
Generate photo and preserve.
In this step, detect that the photographing instruction specially user that user inputs presses key of taking pictures, then mobile whole
Termination receives photographing instruction.User is the second predetermined time is clicked on and taken pictures when, and mobile terminal directly captures
Second camera is at the image of the second pre-set dimension of the second predetermined time collection and preserves.
To sum up, in the first embodiment of the present invention, the first photographic head of mobile terminal is used for preview, the second shooting
Head is used for taking pictures；And user input target take pictures parameter be only used for configure second camera, the first photographic head
Do not come into force, need not stop preview when taking pictures and nor affect on brightness and the Consumer's Experience of preview image, save simultaneously
Go the time of the power-on and power-off of single photographic head so that the speed that professional mode is taken pictures improves.
Second embodiment
As in figure 2 it is shown, the second embodiment of the present invention provides a kind of photographic method, it is applied to have first and takes the photograph
As head and the mobile terminal of second camera, described photographic method includes:
Step 201, when receiving the startup of camera function of mobile phone users request, starts described first
Photographic head and second camera.
In this step, mobile terminal includes two photographic head, the respectively first photographic head and second camera.
It should be noted that this first photographic head and second camera are disposed adjacent, this first photographic head and second is taken the photograph
The image collected as head is generally regarded as consistent image；When user inputs startup request, first
Photographic head and second camera power on simultaneously.
Step 202, controls described first photographic head and gathers image according to the first preset image sizes, and by described
First camera collection to image show in real time and taking pictures in preview interface, control described second shooting simultaneously
Head gathers image according to the second preset image sizes, and is delayed in real time by the image that described second camera collects
Deposit.
In this step, the first photographic head is used for preview, and second camera is used for taking pictures, during so that take pictures
Need not stop preview, direct backstage captures the image that second camera gathers.Concrete, the first photographic head is adopted
The size being smaller in size than the image that second camera gathers of the image of collection.I.e. in the first embodiment of the present invention
Described first preset image sizes is less than described second preset image sizes.I.e. preview image be smaller in size than bat
Size according to image.Concrete, the first preset image sizes could be arranged to the size of the imageing sensor of 1/4,
Second preset image sizes could be arranged to the full-scale of imageing sensor.It should be noted that it is above-mentioned to
One preset image sizes and the relatively good implementation being limited only to the present invention of the second preset image sizes, no
For limiting the protection domain of the application, other sizes are equally applicable to the application.
It should be noted that mobile terminal is previously provided with the parameter of taking pictures of acquiescence, the first shooting in this step
Head and second camera power on the most all according to the parameter acquisition image of taking pictures given tacit consent to；Concrete, the first shooting
The acquiescence of head parameter parameter of can taking pictures with the acquiescence of second camera of taking pictures is identical, it is also possible to the second shooting
The acquiescence of head parameter of taking pictures is different, is not especially limited at this.
Step 203, obtains described mobile phone users and takes pictures parameter in the target that the first predetermined time inputs；Institute
Stating target parameter of taking pictures is exposure gain.
In this step, the target parameter of taking pictures of user's input is exposure gain, is equivalent to light sensitivitys ISO.Due to
The when of calculating normal exposure brightness after arranging ISO, aperture time can increase, and frame per second can reduce, and can cause
The card of preview pauses, and affects the effect of preview, and user, when arranging ISO, controls the first photographic head and do not comes into force.
Step 204, controls described second camera and starts to gather according to described exposure gain from the first predetermined time
Image, and the image collected by second camera caches in real time.
In this step, show owing to second camera is not used in preview, be served only for acquisition view data of taking pictures,
With good grounds target light sensitivitys configuration second camera process previews is not affected, be not result in pre-
The card look at pauses.I.e. mobile terminal is after the exposure gain receiving user's input, and the most real-time will exposure
Gain is configured on second camera, then second camera starts according to user's input from the first predetermined time
Exposure gain gathers image, and caches in real time.
Step 205, when the second predetermined time receives the photographing instruction of described mobile phone users input, will
Described second camera is taken pictures according to described target a two field picture of described second predetermined time that parameter cached
Generate photo and preserve.
In this step, detect that the photographing instruction specially user that user inputs presses key of taking pictures, then mobile whole
Termination receives photographing instruction.User is the second predetermined time is clicked on and taken pictures when, and mobile terminal directly captures
Second camera is at the image of the second pre-set dimension of the second predetermined time collection and preserves.Concrete,
Second predetermined time is later than the first predetermined time, i.e. mobile phone users first must arrange bat at the first predetermined time
According to parameter, thus click on shoot button at the second predetermined time and take pictures.
It is also preferred that the left described target is taken pictures, parameter at least includes exposure gain, time of exposure, white balance, focal length
And one or more in exposure compensating.User is optional to be carried out one of them parameter or multiple parameter
Adjust, be not especially limited at this.
In the second embodiment of the present invention, user is arranging ISO when, and the first photographic head does not comes into force, and second
Photographic head comes into force, and user clicks on the when of taking pictures, and directly captures the full size image in second camera
?；Need not stop preview, it is achieved that professional mode is taken pictures just as the pattern one of ZSL (zero second snap)
Sample, does not affect brightness and the Consumer's Experience of preview image preview when simultaneously；The i.e. present invention second implements
The photographic method that example provides makes professional mode take pictures to have the effect of ZSL, need not stop preview, and take pictures
Speed is exceedingly fast；Improve the Consumer's Experience that professional mode is taken pictures.
3rd embodiment
As it is shown on figure 3, the third embodiment of the present invention provides a kind of photographic method, it is applied to have first and takes the photograph
As head and the mobile terminal of second camera, described photographic method includes:
Step 301, when receiving the startup of camera function of mobile phone users request, starts described first
Photographic head and second camera.
In this step, mobile terminal includes two photographic head, the respectively first photographic head and second camera.
It should be noted that this first photographic head and second camera are disposed adjacent, this first photographic head and second is taken the photograph
The image collected as head is generally regarded as consistent image；When user inputs startup request, first
Photographic head and second camera power on simultaneously.
Step 302, controls described first photographic head and gathers image according to the first preset image sizes, and by described
First camera collection to image show in real time and taking pictures in preview interface, control described second shooting simultaneously
Head gathers image according to the second preset image sizes, and is delayed in real time by the image that described second camera collects
Deposit.
In this step, the first photographic head is used for preview, and second camera is used for taking pictures, during so that take pictures
Need not stop preview, direct backstage captures the image that second camera gathers.Concrete, the first photographic head is adopted
The size being smaller in size than the image that second camera gathers of the image of collection.I.e. in the first embodiment of the present invention
Described first preset image sizes is less than described second preset image sizes.I.e. preview image be smaller in size than bat
Size according to image.Concrete, the first preset image sizes could be arranged to the size of the imageing sensor of 1/4,
Second preset image sizes could be arranged to the full-scale of imageing sensor.It should be noted that it is above-mentioned to
One preset image sizes and the relatively good implementation being limited only to the present invention of the second preset image sizes, no
For limiting the protection domain of the application, other sizes are equally applicable to the application.
It should be noted that mobile terminal is previously provided with the parameter of taking pictures of acquiescence, the first shooting in this step
Head and second camera power on the most all according to the parameter acquisition image of taking pictures given tacit consent to；Concrete, the first shooting
The acquiescence of head parameter parameter of can taking pictures with the acquiescence of second camera of taking pictures is identical, it is also possible to the second shooting
The acquiescence of head parameter of taking pictures is different, is not especially limited at this.
Step 303, obtains described mobile phone users and takes pictures parameter in the target that the first predetermined time inputs；Institute
Stating target parameter of taking pictures is time of exposure.
In this step, the target parameter of taking pictures of user's input is aperture time, also referred to as time of exposure.Due to it
The length of aperture time can affect the frame per second of photographic head output image, if aperture time arranges longer, and user
All directly configure second camera according to aperture time when setting up aperture time, then second camera is defeated
The frame per second of picture of publishing picture reduces, then impact is taken pictures speed.Therefore user is inputted by the third embodiment of the present invention
Target aperture time and a preset time threshold compare, thus decide whether to configure in real time second camera.
Step 304, it is judged that whether described time of exposure is less than preset time threshold, if then performing step 305,
If otherwise performing step 306.
Step 305, if described time of exposure less than preset time threshold, then controls described second camera from the
One predetermined time starts to gather image according to described time of exposure, and the image collected by second camera is real
Time caching.
Concrete, preset time threshold is generally 0.5s.In this step, target aperture time is less than 0.5s, then
After receiving the aperture time of user's input, the aperture time directly configuring described second camera is that target is fast
The door time, it is little on the impact of photo opporunity.
Step 306, if described time of exposure is more than or equal to preset time threshold, controls described second shooting
The frame per second of the output image of head increases to preset frame rate；And control described second camera the first predetermined time and open
Begin to export, according to described preset frame rate, the image collected, and cache in real time.
Concrete, preset time threshold is generally 0.5s.In this step, target aperture time is more than or equal to
0.5s, then after receiving the aperture time of user's input, the frame per second of the second camera output image of raising, carry
A height of preset frame rate.Under normal circumstances, the aperture time of setting needs two frames just can come into force, higher with one
Frame per second run, the entry-into-force time of aperture time can be allowed to be greatly reduced, photo opporunity can be reduced further.
After improving the frame per second of output image of second camera, when mobile terminal detects that the shooting that user inputs refers to
Order, then according to the aperture time configuration second camera of user's input, when i.e. configuring the shutter of second camera
Between be target aperture time.
Step 307, when the second predetermined time receives the photographing instruction of described mobile phone users input, control
Make described second camera and gather a two field picture at described second predetermined time according to described time of exposure；And will
The described image gathered generates photo and preserves.
In this step, detect that the photographing instruction specially user that user inputs presses key of taking pictures, then mobile whole
Termination receives photographing instruction.User is the second predetermined time is clicked on and taken pictures when, and mobile terminal directly captures
Second camera is at the image of the second pre-set dimension of the second predetermined time collection and preserves.
It is also preferred that the left described target is taken pictures, parameter at least includes exposure gain, time of exposure, white balance, focal length
And one or more in exposure compensating.User is optional to be carried out one of them parameter or multiple parameter
Adjust, be not especially limited at this.
In the third embodiment of the present invention, user is arranging aperture time when, if the shutter of user setup
Time is less than 0.5s, then the first photographic head does not comes into force, and second camera comes into force, and equally realizes specialty
Pattern is taken pictures and is had the effect of ZSL.If user setup aperture time is more than 0.5s, then preview when
Second camera is with the highest frame per second output data, but is left intact, taking pictures when, then
The aperture time of user setup is applied to second camera, eliminates the time of power-on and power-off equally, when taking pictures
Between the shortest, be infinitely close to user select aperture time.The side of taking pictures that i.e. third embodiment of the invention provides
Method eliminates the time of single photographic head power-on and power-off again so that the speed that professional mode is taken pictures is substantially improved,
Promote Consumer's Experience.
4th embodiment
As shown in Figure 4, the fourth embodiment of the present invention provides a kind of mobile terminal 400, and described mobile terminal has
The first photographic head and second camera, mobile terminal 400 is had to include:
Start module 401, for when receiving the startup of camera function of mobile phone users request, starting
Described first photographic head and second camera；
First image capture module 402, for after starting module and starting the first photographic head and second camera
Control described first photographic head and gather image according to the first preset image sizes, and described first photographic head is adopted
Collect to image show in real time and taking pictures in preview interface, control described second camera pre-according to second simultaneously
If picture size gathers image, and is cached in real time by the image that described second camera collects；
Parameter acquisition module 403, for obtaining the target that described mobile phone users inputs at the first predetermined time
Take pictures parameter；
Second image capture module 404, is used for controlling described second camera and adopts according to described target parameter of taking pictures
Collection image, and the image that described second camera collects is cached in real time；
Memory module 405, for receiving the finger of taking pictures of described mobile phone users input at the second predetermined time
When making, described second camera is taken pictures described second predetermined time that parameter cached according to described target
One two field picture generates photo and preserves；
Wherein, described first preset image sizes is less than described second preset image sizes.
Concrete, in the fourth embodiment of the present invention, as it is shown in figure 5, when described target takes pictures parameter for exposing
During the gain of light, described second image capture module 404 includes:
First image acquisition submodule 4041, is used for controlling described second camera from the beginning of the first predetermined time
Gather image according to described exposure gain, and the image collected by second camera caches in real time.
Concrete, in the fourth embodiment of the present invention, as shown in Figure 6, when described target takes pictures parameter for exposing
During the light time, described second image capture module 404 includes:
Second image acquisition submodule 4042, if for described time of exposure less than preset time threshold, then controlling
Make described second camera to start to gather image according to described time of exposure from the first predetermined time, and by second
Camera collection to image cache in real time.
Concrete, in the fourth embodiment of the present invention, as it is shown in figure 5, when described target takes pictures parameter for exposing
During the light time, described second image capture module 404 includes:
Frame per second increases module 4043, if for described time of exposure more than or equal to preset time threshold, control
The frame per second of the output image making described second camera increases to preset frame rate；
3rd image acquisition submodule 4044, be used for controlling described second camera the first predetermined time start by
Export the image collected according to described preset frame rate, and cache in real time.
Concrete, in the fourth embodiment of the present invention, as it is shown in figure 5, described memory module 405 includes:
4th image acquisition submodule 4051, for receiving described mobile phone users at the second predetermined time
During the photographing instruction inputted, control described second camera when described second predetermined time is according to described exposure
Between gather a two field picture；
Sub module stored 4052, for generating photo by the described image gathered and preserving.
Concrete, in the fourth embodiment of the present invention, described target take pictures parameter at least include exposure gain,
One or more in time of exposure, white balance, focal length and exposure compensating.
To sum up, in the fourth embodiment of the present invention, mobile terminal includes the first photographic head and second camera, the
One photographic head exports with the image sensor size image of 1/4, for preview, and an other photographic head B
Export with full-scale image sensor size, be used for taking pictures.User ISO is set when,
One photographic head does not comes into force, and second camera comes into force, and user clicks on the when of taking pictures, and directly captures second
Full size image in photographic head.Achieve professional mode and take pictures just as the pattern of ZSL, simultaneously
Brightness and the Consumer's Experience of preview image is not affected preview when.User aperture time is set when,
If the aperture time of user setup is less than 1/2, then the first photographic head does not comes into force, and second camera comes into force,
Equally realize professional mode to take pictures there is the effect of ZSL.User setup aperture time > 1/2, then clapping
According to when, remake and use second camera, eliminate the time of power-on and power-off equally, effect is close to ZSL.
It should be noted that the mobile terminal that the fourth embodiment of the present invention provides is to apply above-mentioned first
The mobile terminal of the photographic method that embodiment, the second embodiment and the 3rd embodiment provide, the most above-mentioned first is real
All embodiments of the photographic method executing example, the second embodiment and the offer of the 3rd embodiment are all applicable to this and move
Terminal, and all can reach same or analogous beneficial effect.
5th embodiment
It is the block diagram of the mobile terminal of fifth embodiment of the invention as shown in Figure 7.Mobile terminal shown in Fig. 7
700 include: at least one processor 701, memorizer 702, at least one network interface 704, Yong Hujie
Mouth 703 and assembly 706 of taking pictures.Each assembly in mobile terminal 700 is coupling in one by bus system 705
Rise.It is understood that bus system 705 is for realizing the connection communication between these assemblies.Bus system 705
In addition to including data/address bus, also include power bus, control bus and status signal bus in addition.But in order to
For the sake of clear explanation, in the figure 7 various buses are all designated as bus system 705.Assembly 706 of taking pictures includes
One photographic head and second camera.
Wherein, user interface 703 can include display, keyboard or pointing device (such as, mouse, rail
Mark ball (trackball), touch-sensitive plate or touch screen.
The memorizer 702 being appreciated that in the embodiment of the present invention can be volatile memory or non-volatile
Memorizer, maybe can include volatibility and nonvolatile memory.And memorizer 702 is used for preserving biology
The operation information etc. of characteristic information, sliding trace and combination operation be there is a need to value and the constant preserved.
Wherein, nonvolatile memory can be read only memory (Read-Only Memory, ROM), able to programme
Read only memory (Programmable ROM, PROM), Erasable Programmable Read Only Memory EPROM (Erasable
PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM, EEPROM)
Or flash memory.Volatile memory can be random access memory (Random Access Memory, RAM),
It is used as External Cache.By exemplary but be not restricted explanation, the RAM of many forms can use,
Such as static RAM (Static RAM, SRAM), dynamic random access memory (Dynamic
RAM, DRAM), Synchronous Dynamic Random Access Memory (Synchronous DRAM, SDRAM), double
Haplotype data synchronization of rate dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM),
Enhancement mode Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links are dynamic
Random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory
(Direct Rambus RAM, DRRAM).The memorizer 702 of the system and method that the embodiment of the present invention describes
It is intended to include but not limited to these and the memorizer of other applicable type any.
In some embodiments, memorizer 702 stores following element, executable module or data
Structure, or their subset, or their superset: operating system 7021 and application program 7022.
Wherein, operating system 7021, comprise various system program, such as ccf layer, core library layer, driving
Layers etc., are used for realizing various basic business and processing hardware based task.Application program 7022, comprises
Various application programs, such as media player (Media Player), browser (Browser) etc., be used for realizing
Various applied business.The program realizing embodiment of the present invention method may be embodied in application program 7022.
In embodiments of the present invention, by calling program or the instruction of memorizer 702 storage, concrete, can
To be program or the instruction of storage in application program 7022；Processor 701 is for used for mobile terminal when receiving
When the startup of the camera function at family is asked, start described first photographic head and second camera；Control described
One photographic head gathers image, and the image arrived by described first camera collection according to the first preset image sizes
Display in real time is being taken pictures in preview interface, controls described second camera according to the second preset image sizes simultaneously
Gather image, and the image that described second camera collects is cached in real time；Obtain described used for mobile terminal
Take pictures parameter in the target that the first predetermined time inputs in family；Control described second camera to clap according to described target
According to parameter acquisition image, and the image that described second camera collects is cached in real time；When second presets
When carving the photographing instruction receiving the input of described mobile phone users, by described second camera according to described mesh
The two field picture marking described second predetermined time that parameter of taking pictures is cached generates photo and preserves；Wherein, institute
State the first preset image sizes less than described second preset image sizes.
The method that the invention described above embodiment discloses can apply in processor 701, or by processor 701
Realize.Processor 701 is probably a kind of IC chip, has the disposal ability of signal.Realizing
Cheng Zhong, each step of said method can be by the integrated logic circuit of the hardware in processor 701 or soft
The instruction of part form completes.Above-mentioned processor 701 can be general processor, digital signal processor
(Digital Signal Processor, DSP), special IC (Application Specific Integrated
Circuit, ASIC), ready-made programmable gate array (Field Programmable Gate Array, FPGA) or
Other PLDs of person, discrete gate or transistor logic, discrete hardware components.Can be real
Disclosed each method, step and logic diagram now or in the execution embodiment of the present invention.General processor can
To be microprocessor or this processor can also be the processor etc. of any routine.In conjunction with the embodiment of the present invention
The step of disclosed method can be embodied directly in hardware decoding processor and perform, or with at decoding
Hardware and software module combination execution in reason device complete.Software module may be located at random access memory, flash memory,
Read only memory, this area such as programmable read only memory or electrically erasable programmable memorizer, depositor
In ripe storage medium.This storage medium is positioned at memorizer 702, and processor 701 reads in memorizer 702
Information, complete the step of said method in conjunction with its hardware.
It is understood that the embodiment of the present invention describe these embodiments can use hardware, software, firmware,
Middleware, microcode or a combination thereof realize.Realizing for hardware, processing unit can be implemented in one or many
Individual special IC (Application Specific Integrated Circuits, ASIC), digital signal processor
(Digital Signal Processing, DSP), digital signal processing appts (DSP Device, DSPD), can compile
Journey logical device (Programmable Logic Device, PLD), field programmable gate array
(Field-Programmable Gate Array, FPGA), general processor, controller, microcontroller, micro-
Processor, for performing in other electronic unit or a combination thereof of herein described function.
Software is realized, can be by performing module (the such as process, function of function described in the embodiment of the present invention
Deng) realize the technology described in the embodiment of the present invention.Software code is storable in memorizer and passes through processor
Perform.Memorizer can within a processor or realize outside processor.
Alternatively, as another embodiment, when described target take pictures parameter be exposure gain time；Processor 701
It is additionally operable to: control described second camera and start to gather image according to described exposure gain from the first predetermined time,
And the image collected by second camera caches in real time.
Alternatively, as another embodiment, when described target take pictures parameter be time of exposure time；Processor
701 are additionally operable to: if described time of exposure is less than preset time threshold, then control described second camera from first
Predetermined time starts to gather image according to described time of exposure, and the image collected by second camera is real-time
Caching.
Alternatively, as another embodiment, when described target take pictures parameter be time of exposure time；Processor
701 are additionally operable to: if described time of exposure is more than or equal to preset time threshold, control described second camera
Output image frame per second increase to preset frame rate；Control described second camera the first predetermined time start by
Export the image collected according to described preset frame rate, and cache in real time.
Alternatively, as another embodiment, processor 701 is additionally operable to receive institute at the second predetermined time
When stating the photographing instruction of mobile phone users input, control described second camera at described second predetermined time
A two field picture is gathered according to described time of exposure；The described image gathered is generated photo and preserves.
Alternatively, as another embodiment, described target parameter of taking pictures at least includes exposure gain, exposure
One or more in time, white balance, focal length and exposure compensating.
Mobile terminal 700 is capable of each process that in previous embodiment, mobile terminal realizes, for avoiding weight
Multiple, repeat no more here.
The mobile terminal 700 of the embodiment of the present invention is by above-mentioned module, and arranges two shootings at mobile terminal
Head, the first photographic head carries out image output with the first pre-set dimension, and for preview, second camera is with second
Pre-set dimension carries out image output, is used for taking pictures；Eliminate the time of the power-on and power-off of single photographic head so that
Speed that professional mode is taken pictures improves, and the process of taking pictures need not stop preview and nor affects on the bright of preview image simultaneously
Degree and Consumer's Experience.
Sixth embodiment
As shown in Figure 8, mobile terminal 800 can be mobile phone, panel computer, personal digital assistant (Personal
Digital Assistant, PDA) or vehicle-mounted computer etc. there is the communication equipment of RF circuit 810.
Mobile terminal 800 in Fig. 8 include radio frequency (Radio Frequency, RF) circuit 810, memorizer 820,
Input block 830, display unit 840, assembly 850 of taking pictures, processor 860, voicefrequency circuit 870, Wi Fi
(Wireless Fidelity) module 880 and power supply 890.Assembly 850 of taking pictures includes that the first photographic head and second is taken the photograph
As head.
Wherein, input block 830 can be used for receiving numeral or the character information of user's input, and produce and move
The user setup of dynamic terminal 800 and function control relevant signal input.Specifically, the embodiment of the present invention
In, this input block 830 can include contact panel 831.Contact panel 831, also referred to as touch screen, can
Collect user thereon or neighbouring touch operation (such as user uses any applicable object such as finger, stylus
Or the operation that adnexa is on contact panel 831), and drive corresponding attachment means according to formula set in advance.
Optionally, contact panel 831 can include touch detecting apparatus and two parts of touch controller.Wherein, touch
Touch the touch orientation of detection device detection user, and detect the signal that touch operation brings, transmit a signal to
Touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into contact
Coordinate, then give this processor 860, and order that processor 860 sends can be received and performed.Additionally,
The polytypes such as resistance-type, condenser type, infrared ray and surface acoustic wave can be used to realize contact panel 831.
Except contact panel 831, input block 830 can also include other input equipments 832, and other inputs set
Standby 832 can include but not limited to physical keyboard, function key (such as volume control button, switch key etc.),
One or more in trace ball, mouse, action bars etc..
Wherein, display unit 840 can be used for the information that inputted by user of display or the information being supplied to user and
The various menu interfaces of mobile terminal 800.Display unit 840 can include display floater 841, optionally, and can
To use the form such as LCD or Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED)
Configuration display floater 841.
In embodiments of the present invention, by calling the software program and/or mould stored in this first memory 821
Data in block and/or this second memory 822.Processor 860 is for when receiving mobile phone users
When the startup of camera function is asked, start described first photographic head and second camera；Control described first to take the photograph
As head gathers image according to the first preset image sizes, and the image arrived by described first camera collection is real-time
Display is being taken pictures in preview interface, controls described second camera according to the second preset image sizes collection simultaneously
Image, and the image that described second camera collects is cached in real time；Obtain described mobile phone users to exist
The target of the first predetermined time input is taken pictures parameter；Control described second camera to take pictures ginseng according to described target
Number gathers image, and is cached in real time by the image that described second camera collects；Connect at the second predetermined time
When receiving the photographing instruction of described mobile phone users input, described second camera is clapped according to described target
The two field picture taking described second predetermined time that parameter is cached generates picture and preserves；Wherein, described
One preset image sizes is less than described second preset image sizes.
Alternatively, as another embodiment, when described target take pictures parameter be exposure gain time；Processor 860
It is additionally operable to: control described second camera and start to gather image according to described exposure gain from the first predetermined time,
And the image collected by second camera caches in real time.
Alternatively, as another embodiment, when described target take pictures parameter be time of exposure time；Processor
860 are additionally operable to: if described time of exposure is less than preset time threshold, then control described second camera from first
Predetermined time starts to gather image according to described time of exposure, and the image collected by second camera is real-time
Caching.
Alternatively, as another embodiment, when described target take pictures parameter be time of exposure time；Processor
860 are additionally operable to: if described time of exposure is more than or equal to preset time threshold, control described second camera
Output image frame per second increase to preset frame rate；Control described second camera the first predetermined time start by
Export the image collected according to described preset frame rate, and cache in real time.
Alternatively, as another embodiment, processor 860 is additionally operable to receive institute at the second predetermined time
When stating the photographing instruction of mobile phone users input, control described second camera at described second predetermined time
A two field picture is gathered according to described time of exposure；The described image gathered is generated photo and preserves.
Alternatively, as another embodiment, described target parameter of taking pictures at least includes exposure gain, exposure
One or more in time, white balance, focal length and exposure compensating.
It should be noted that contact panel 831 can cover display floater 841, formed and touch display screen, when this touch
Display screen detects thereon or after neighbouring touch operation, sends processor 860 to determine touch event
Type, display screen on provide corresponding vision according to the type of touch event touching with preprocessor 860
Output.
Touch display screen and include Application Program Interface viewing area and conventional control viewing area.This Application Program Interface
The arrangement mode of viewing area and this conventional control viewing area does not limit, can be arranged above and below, left-right situs
Etc. the arrangement mode that can distinguish two viewing areas.This Application Program Interface viewing area is displayed for application
The interface of program.Each interface can comprise icon and/or the widget desktop control of at least one application program
The interface elements such as part.This Application Program Interface viewing area can also be the empty interface not comprising any content.Should
Conventional control viewing area is for showing the control that utilization rate is higher, such as, and settings button, interface numbering, rolling
The dynamic application icon etc. such as bar, phone directory icon.
Wherein processor 860 is the control centre of mobile terminal 800, utilizes various interface and connection whole
The various piece of individual mobile phone, by run or perform be stored in the software program in first memory 821 and/or
Module, and call the data being stored in second memory 822, perform the various merits of mobile terminal 800
And data can be processed, thus mobile terminal 800 is carried out integral monitoring.Optionally, processor 860 can wrap
Include one or more processing unit.
Mobile terminal 800 is capable of each process that in previous embodiment, mobile terminal realizes, for avoiding weight
Multiple, repeat no more here.
The mobile terminal 800 of the embodiment of the present invention is by above-mentioned module, and arranges two shootings at mobile terminal
Head, the first photographic head carries out image output with the first pre-set dimension, and for preview, second camera is with second
Pre-set dimension carries out image output, is used for taking pictures；Eliminate the time of the power-on and power-off of single photographic head so that
Speed that professional mode is taken pictures improves, and the process of taking pictures need not stop preview and nor affects on the bright of preview image simultaneously
Degree and Consumer's Experience.
Those of ordinary skill in the art are it is to be appreciated that combine the disclosed embodiments in the embodiment of the present invention and retouch
The unit of each example stated and algorithm steps, it is possible to electronic hardware or computer software and electronic hardware
Be implemented in combination in.These functions perform with hardware or software mode actually, depend on technical scheme
Application-specific and design constraint.Professional and technical personnel can use not Tongfang to each specifically should being used for
Method realizes described function, but this realization is it is not considered that beyond the scope of this invention.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and foregoing description
The specific works process of system, device and unit, be referred to the corresponding process in preceding method embodiment,
Do not repeat them here.The mobile terminal of the embodiment of the present invention by above-mentioned module, according to object pixel size with
And motor position matching generates matching relationship function or default computation rule, upper once focus time can basis
The Pixel Dimensions of focus target directly determines motor position, then realizes the mesh of focusing by adjusting motor position
, solving the focusing mode of prior art, to need the position repeatedly moving motor to cause time-consuming and power consumption
Problem, the matching relationship function generated according to institute's matching, can quickly be calculated motor position, improve
Shoot focusing speed when same target object or same class object, improve Consumer's Experience.
In embodiment provided herein, it should be understood that disclosed apparatus and method, Ke Yitong
The mode crossing other realizes.Such as, device embodiment described above is only schematically, such as,
The division of described unit, is only a kind of logic function and divides, and actual can have other division side when realizing
Formula, the most multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can
To ignore, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or logical
Letter connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication connection, can be electrical,
Machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, as
The parts that unit shows can be or may not be physical location, i.e. may be located at a place, or
Can also be distributed on multiple NE.Can select therein some or all of according to the actual needs
Unit realizes the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit,
Can also be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit
In.
If described function is using the form realization of SFU software functional unit and as independent production marketing or use,
Can be stored in a computer read/write memory medium.Based on such understanding, the technical side of the present invention
Part or the part of this technical scheme that prior art is contributed by case the most in other words can be with softwares
The form of product embodies, and this computer software product is stored in a storage medium, including some fingers
Order is with so that a computer equipment (can be personal computer, server, or the network equipment etc.) is held
All or part of step of method described in each embodiment of the row present invention.And aforesaid storage medium includes: USB flash disk,
The various media that can store program code such as portable hard drive, ROM, RAM, magnetic disc or CD.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
This, any those familiar with the art, in the technical scope that the invention discloses, can readily occur in
Change or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should
It is as the criterion with scope of the claims.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (12)
1. a photographic method, is applied to the mobile terminal with the first photographic head and second camera, and it is special
Levying and be, described photographic method includes:
When receive the startup of camera function of mobile phone users request time, start described first photographic head and
Second camera；
Control described first photographic head and gather image according to the first preset image sizes, and by described first shooting
The image that collects of head shows in real time is taking pictures in preview interface, controls described second camera according to the simultaneously
Two preset image sizes gather image, and are cached in real time by the image that described second camera collects；
Obtain described mobile phone users to take pictures parameter in the target that the first predetermined time inputs；
Control described second camera to take pictures parameter acquisition image according to described target, and by described second shooting
The image that head collects caches in real time；
When the second predetermined time receives the photographing instruction of described mobile phone users input, by described second
Photographic head generates photo according to a take pictures two field picture of described second predetermined time that parameter cached of described target
And preserve；
Wherein, described first preset image sizes is less than described second preset image sizes.
Photographic method the most according to claim 1, it is characterised in that when described target parameter of taking pictures is
During exposure gain, the described second camera of described control is taken pictures parameter acquisition image according to described target, and will
The step that the image that described second camera collects caches in real time, including:
Control described second camera to start to gather image according to described exposure gain from the first predetermined time, and
The image collected by second camera caches in real time.
Photographic method the most according to claim 1, it is characterised in that when described target parameter of taking pictures is
During time of exposure, the described second camera of described control is taken pictures parameter acquisition image according to described target, and will
The step that the image that described second camera collects caches in real time, including:
If described time of exposure less than preset time threshold, then control described second camera from first preset time
Carve and start to gather image according to described time of exposure, and the image collected by second camera caches in real time.
Method the most according to claim 1, it is characterised in that when described target takes pictures parameter for exposure
During the time, the described second camera of described control is taken pictures parameter acquisition image according to described target, and by described
The step that the image that second camera collects caches in real time, including:
If described time of exposure is more than or equal to preset time threshold, control the output of described second camera
The frame per second of image increases to preset frame rate；
Control described second camera the first predetermined time to start to export, according to described preset frame rate, the figure collected
Picture, and cache in real time.
Method the most according to claim 4, it is characterised in that described receive at the second predetermined time
During the photographing instruction of described mobile phone users input, described second camera is taken pictures ginseng according to described target
One two field picture of several cached described second predetermined time generates photo and the step that preserves is:
When the second predetermined time receives the photographing instruction of described mobile phone users input, control described the
Two photographic head gather a two field picture at described second predetermined time according to described time of exposure；
The described image gathered is generated photo and preserves.
Method the most according to claim 1, it is characterised in that described target parameter of taking pictures at least includes
One or more in exposure gain, time of exposure, white balance, focal length and exposure compensating.
7. a mobile terminal, described mobile terminal has the first photographic head and second camera, and its feature exists
In, described mobile terminal includes:
Start module, for when receiving the startup of camera function of mobile phone users request, starting institute
State the first photographic head and second camera；
First image capture module, for when starting control after module starts the first photographic head and second camera
Make described first photographic head and gather image according to the first preset image sizes, and by described first camera collection
To image show in real time and taking pictures in preview interface, control described second camera simultaneously and preset according to second
Picture size gathers image, and is cached in real time by the image that described second camera collects；
Parameter acquisition module, the target inputted at the first predetermined time for obtaining described mobile phone users is clapped
According to parameter；
Second image capture module, is used for controlling described second camera and takes pictures parameter acquisition according to described target
Image, and the image that described second camera collects is cached in real time；
Memory module, for receiving the photographing instruction of described mobile phone users input at the second predetermined time
Time, the one of described second predetermined time that parameter cached that described second camera is taken pictures according to described target
Two field picture generates photo and preserves；
Wherein, described first preset image sizes is less than described second preset image sizes.
Mobile terminal the most according to claim 7, it is characterised in that when described target is taken pictures parameter
During for exposure gain, described second image capture module includes:
First image acquisition submodule, be used for controlling described second camera from the first predetermined time start according to
Described exposure gain gathers image, and the image collected by second camera caches in real time.
Mobile terminal the most according to claim 7, it is characterised in that when described target parameter of taking pictures is
During time of exposure, described second image capture module includes:
Second image acquisition submodule, if for described time of exposure less than preset time threshold, then controlling institute
State second camera to start to gather image according to described time of exposure from the first predetermined time, and image second
The image that head collects caches in real time.
Mobile terminal the most according to claim 7, it is characterised in that when described target is taken pictures parameter
During for time of exposure, described second image capture module includes:
Frame per second increases module, if for described time of exposure more than or equal to preset time threshold, controls institute
The frame per second of the output image stating second camera increases to preset frame rate；
3rd image acquisition submodule, is used for controlling described second camera the first predetermined time and starts according to institute
State preset frame rate and export the image collected, and cache in real time.
11. mobile terminals according to claim 10, it is characterised in that described memory module includes:
4th image acquisition submodule, for receiving the input of described mobile phone users at the second predetermined time
Photographing instruction time, control described second camera and adopt according to described time of exposure at described second predetermined time
Collect a two field picture；
Sub module stored, for generating photo by the described image gathered and preserving.
12. mobile terminals according to claim 7, it is characterised in that described target takes pictures parameter extremely
Include one or more in exposure gain, time of exposure, white balance, focal length and exposure compensating less.
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