CN105959555A - Shooting mode automatic adjustment method and device and mobile terminal - Google Patents
Shooting mode automatic adjustment method and device and mobile terminal Download PDFInfo
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- CN105959555A CN105959555A CN201610394134.5A CN201610394134A CN105959555A CN 105959555 A CN105959555 A CN 105959555A CN 201610394134 A CN201610394134 A CN 201610394134A CN 105959555 A CN105959555 A CN 105959555A
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- preview image
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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
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
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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
- H04N23/67—Focus control based on electronic image sensor signals
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Studio Devices (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
Abstract
The invention provides a shooting mode automatic adjustment method and device and a mobile terminal. The shooting mode automatic adjustment method comprises a step of determining the depth of field information of a foreground area in a current preview image according to the preview image data obtained by two back cameras in a double-camera device, a step of determining the shooting distance between a shooting body and a camera module according to the depth of field information of the foreground area, and a step of determining the shooting mode of the current preview image according to the shooting distance and a preset reference distance. According to the shooting mode automatic adjustment method, the shooting mode of the current preview image can be automatically determined, thus the manual selection of a shooting mode by a user in each time is not needed, user operation is simplified, the shooting efficiency is improved, and the user experience is improved.
Description
Technical field
The present invention relates to technical field of image processing, particularly to a kind of screening-mode automatic adjusting method, device and mobile terminal.
Background technology
Along with the development of mobile terminal technology, the shoot function in shoot function in mobile terminal is more and more abundanter, various
Screening-mode is also drawn close to slr camera.At present, user, when using different screening-mode, needs at various exposal models
Switchback is changed, and operation is inconvenient for.
Summary of the invention
It is contemplated that solve above-mentioned technical problem the most to a certain extent.
To this end, the first of the present invention purpose is to propose a kind of screening-mode automatic adjusting method, it is possible to automatically determine current pre-
Look at the screening-mode of image, simplify user operation, improve shooting efficiency.
Second object of the present invention is to propose a kind of screening-mode automatic regulating apparatus.
Third object of the present invention is to propose a kind of mobile terminal.
Fourth object of the present invention is to propose another kind of mobile terminal.
For reaching above-mentioned purpose, embodiment proposes a kind of screening-mode automatic adjusting method according to a first aspect of the present invention, including with
Lower step: according in Double-camera device two preview image data that post-positioned pick-up head obtains respectively, determine present preview image
The depth of view information of middle foreground area；Depth of view information according to described foreground area determines between shooting main body and described photographic head module
Shooting distance；The screening-mode of present preview image is determined according to described shooting distance and default reference distance.
The screening-mode automatic adjusting method of the embodiment of the present invention, obtains respectively according in Double-camera device two post-positioned pick-up heads
Preview image data determine the depth of view information of foreground area in present preview image, and determine shooting main body according to this depth of view information
And the shooting distance between Double-camera device, and determine current preview according to this shooting distance and the reference distance preset further
The screening-mode of image, it is possible to automatically determine the screening-mode of present preview image, and then need not user's hands when shooting every time
Dynamic selection screening-mode, simplifies user operation, improves shooting efficiency, promote Consumer's Experience.
It addition, it is special to have following additional technology according to the screening-mode automatic adjusting method of the above embodiments of the present application
Levy:
In one embodiment of the invention, described according in Double-camera device two preview graph that post-positioned pick-up head obtains respectively
As data, determine the depth of view information of foreground area in present preview image, including: rearmounted take the photograph according in Double-camera device two
The preview image data obtained respectively as head, determines the depth of view information of focusing area in present preview image；Obtain described focusing district
First meansigma methods of the depth of view information in territory；According to described first meansigma methods and default regulation coefficient, determine in present preview image
The depth of view information of foreground area.
In one embodiment of the invention, the described depth of view information according to described foreground area determines shooting main body and described shooting
Shooting distance between head mould group, including: obtain the second meansigma methods of the depth of view information of described foreground area；According to described second
Corresponding relation is preset in meansigma methods inquiry, determines the shooting distance between shooting main body and described photographic head module.
In one embodiment of the invention, described according to described shooting distance and preset reference distance determine present preview image
Screening-mode, including: judge that described shooting distance is whether less than the first reference distance preset；If described shooting distance is little
In described first reference distance, then start microshot pattern shooting present preview image.
In one embodiment of the invention, described judge that described shooting distance is whether less than the first reference distance preset after,
Also include: if described shooting distance more than described first reference distance, then judges that described shooting distance is whether more than the preset
Two reference distances, wherein, described second reference distance is more than described first reference distance；If described shooting distance is more than described
Second reference distance, then start panorama deep screening-mode shooting present preview image.
In one embodiment of the invention, described judge that described shooting distance is whether more than the second reference distance preset after,
Also include: if described shooting distance is more than described first reference distance and less than described second reference distance, then start normal bat
Take the photograph pattern shooting present preview image.
Second aspect present invention embodiment provides a kind of screening-mode automatic regulating apparatus, including: first determines module, is used for
According in Double-camera device two preview image data that post-positioned pick-up head obtains respectively, determine foreground zone in present preview image
The depth of view information in territory；Second determines module, for determining shooting main body and described shooting according to the depth of view information of described foreground area
Shooting distance between head mould group；3rd determines module, for determining currently according to described shooting distance and the reference distance preset
The screening-mode of preview image.
The screening-mode automatic regulating apparatus of the embodiment of the present invention, obtains respectively according in Double-camera device two post-positioned pick-up heads
Preview image data determine the depth of view information of foreground area in present preview image, and determine shooting main body according to this depth of view information
And the shooting distance between Double-camera device, and determine current preview according to this shooting distance and the reference distance preset further
The screening-mode of image, it is possible to automatically determine the screening-mode of present preview image, and then need not user's hands when shooting every time
Dynamic selection screening-mode, simplifies user operation, improves shooting efficiency, promote Consumer's Experience.
It addition, it is special to have following additional technology according to the screening-mode automatic regulating apparatus of the above embodiments of the present application
Levy:
In one embodiment of the invention, described first determine module for: according in Double-camera device two rearmounted shootings
The preview image data that head obtains respectively, determines the depth of view information of focusing area in present preview image；Obtain described focusing area
The first meansigma methods of depth of view information；According to described first meansigma methods and default regulation coefficient, before determining in present preview image
The depth of view information of scene area.
In one embodiment of the invention, described second determine module for: obtain described foreground area depth of view information
Two meansigma methodss；Preset corresponding relation according to described second meansigma methods inquiry, determine between shooting main body and described photographic head module
Shooting distance.
In one embodiment of the invention, the described 3rd determines that module includes: the first judging unit, is used for judging described shooting
Whether distance is less than the first reference distance preset；Start unit, for when described shooting distance is less than described first reference distance
Time, start microshot pattern shooting present preview image.
In one embodiment of the invention, also include: the second judging unit, judge that described shooting distance is the least for described
After the first default reference distance, when described shooting distance is more than described first reference distance, it is judged that described shooting distance
Whether more than the second reference distance preset, wherein, described second reference distance is more than described first reference distance；
Described start unit is additionally operable to, when described shooting distance more than described second reference distance is, start the deep screening-mode of panorama and clap
Take the photograph present preview image.
In one embodiment of the invention, described start unit is additionally operable to judge that whether described shooting distance is more than presetting described
The second reference distance after, when described shooting distance more than described first reference distance and less than described second reference distance time,
Start normal photographing mode shooting present preview image.
Third aspect present invention embodiment provides a kind of mobile terminal, including second aspect present invention embodiment screening-mode from
Dynamic adjusting apparatus.
The mobile terminal of the embodiment of the present invention, the preview image number obtained respectively according in Double-camera device two post-positioned pick-up heads
According to determining the depth of view information of foreground area in present preview image, and determine that shooting main body fills with dual camera according to this depth of view information
Shooting distance between putting, and the shooting mould of present preview image is determined further according to this shooting distance and default reference distance
Formula, it is possible to automatically determine the screening-mode of present preview image, and then need not user and manually select shooting mould when shooting every time
Formula, simplifies user operation, improves shooting efficiency, promotes Consumer's Experience.
Fourth aspect present invention embodiment provides a kind of mobile terminal, including: housing, processor, memorizer, circuit board and
Power circuit, wherein, described circuit board is placed in the interior volume that described housing surrounds, described processor and described memorizer and sets
Put on described circuit board；Described power circuit, powers for each circuit or the device for described mobile terminal；Described storage
Device is used for storing executable program code；Described processor is transported by reading the executable program code of storage in described memorizer
The program that row is corresponding with described executable program code, for performing following steps: rearmounted according in Double-camera device two
The preview image data that photographic head obtains respectively, determines the depth of view information of foreground area in present preview image；According to described prospect
The depth of view information in region determines the shooting distance between shooting main body and described photographic head module；According to described shooting distance with default
Reference distance determine the screening-mode of present preview image.
The mobile terminal of the embodiment of the present invention, the preview image number obtained respectively according in Double-camera device two post-positioned pick-up heads
According to determining the depth of view information of foreground area in present preview image, and determine that shooting main body fills with dual camera according to this depth of view information
Shooting distance between putting, and the shooting mould of present preview image is determined further according to this shooting distance and default reference distance
Formula, it is possible to automatically determine the screening-mode of present preview image, and then need not user and manually select shooting mould when shooting every time
Formula, simplifies user operation, improves shooting efficiency, promotes Consumer's Experience.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become bright from the following description
Aobvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage the accompanying drawings below description to embodiment will be apparent from from combining and
Easy to understand, wherein:
Fig. 1 is the flow chart of the screening-mode automatic adjusting method according to one embodiment of the invention；
Fig. 2 is the flow chart of the screening-mode automatic adjusting method according to another embodiment of the present invention
Fig. 3 is the flow chart of the screening-mode automatic adjusting method according to another embodiment of the present invention；
Fig. 4 is the structural representation of the screening-mode automatic regulating apparatus according to one embodiment of the invention；
Fig. 5 is the structural representation of the screening-mode automatic regulating apparatus according to another embodiment of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical or
Similar label represents same or similar element or has the element of same or like function.Describe below with reference to accompanying drawing
Embodiment is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
At present, user is during shooting by capture apparatus, when microspur clapped by needs, it is necessary to controls equipment and enters
Macro mode shoots, and when landscape clapped by needs, then needs control equipment exit macro mode and enter the deep pattern of panorama and carry out
Shooting, needs user constantly to switch between different screening-modes, operates the most loaded down with trivial details.To this end, the present invention proposes
A kind of screening-mode automatic adjusting method, device and mobile terminal.
Below with reference to the accompanying drawings screening-mode automatic adjusting method, device and mobile terminal according to embodiments of the present invention described.
Fig. 1 is the flow chart of the screening-mode automatic adjusting method according to one embodiment of the invention.
As it is shown in figure 1, screening-mode automatic adjusting method according to embodiments of the present invention, comprise the following steps:
S101, according in Double-camera device two preview image data that post-positioned pick-up head obtains respectively, determines current preview figure
The depth of view information of foreground area in Xiang.
In one embodiment of the invention, Double-camera device has two post-positioned pick-up heads.Wherein, two post-positioned pick-up heads
Set-up mode can be but be not limited in the following manner:
Mode one
Two post-positioned pick-up heads are horizontally disposed.
Mode two
Two post-positioned pick-up heads are vertically arranged.
Wherein, horizontal direction refers to the direction parallel with mobile terminal minor face, and vertical direction refers to that limit long with mobile terminal is parallel
Direction.
It should be noted that two post-positioned pick-up heads can also be arranged otherwise, such as, two rearmounted shootings can be set
The line of head is from the horizontal by default angle.
In embodiments of the invention, preview image data can be reference object data after camera imaging.Current preview figure
Seem that at least one preview image data of obtaining according to two post-positioned pick-up heads generates.Depth of view information is to instigate subject to produce
Give birth to the closest approach distance to solstics of more sharp image, the i.e. spatial depth of object physical ability blur-free imaging.For preview graph
The depth of view information that in Xiang, each picture point is corresponding, can be according to this picture point in the preview image data that two post-positioned pick-up heads obtain
Phase contrast inquiry obtain.
Due to the position of two post-positioned pick-up heads and differ, therefore, two post-positioned pick-up heads exist for reference object
Certain differential seat angle and range difference, therefore, corresponding preview image data there is also certain phase contrast.For example, for
A point in photographic subjects, in the preview image data of photographic head 1, the pixel coordinate that A point is corresponding is (30,50),
And in the preview image data of photographic head 2, the pixel coordinate that A point is corresponding is (30,48), A point is two preview graph
As the phase contrast of pixel corresponding in data is 50-48=2.
In embodiments of the invention, the pass of depth of view information and phase contrast can be set up previously according to experimental data or photographic head parameter
System, and then, it is right to search according to picture point each in preview image phase contrast in the preview image data that two photographic head obtain
The depth of view information answered.For example, for the phase contrast 2 that above-mentioned A point is corresponding, if inquired according to default corresponding relation
The corresponding depth of field is 5 meters, then the depth of view information that in preview image, A point is corresponding is 5 meters.Thus, available current preview figure
The depth of view information of each pixel in Xiang.
In obtaining present preview image after the depth of view information of each picture point, foreground zone in present preview image can be further determined that
The depth of view information in territory.
In an embodiment of the present invention, the depth of view information of foreground area in present preview image can be determined in several ways.Citing
For, the example below one and example two can be passed through to determining that in current preview figure, the depth of view information of foreground area carries out exemplary theory
Bright.
Example one
Determine the foreground area in present preview image, and constituted foreground area by the depth of view information of the pixel being positioned at foreground area
Depth of view information.
Wherein, the depth of view information of foreground area is made up of the depth of view information of pixel each in foreground area.
Wherein, foreground area can be selected by user, or determines according to the focusing area of user's selection or acquiescence.Such as, will
Focusing area outward expansion preset range obtains foreground area.
Example two
The depth of view information of foreground area is determined according to the depth of view information of focusing area in front preview image.Specifically, it may include such as figure
Step S201-S202 shown in 2.
S201, according in Double-camera device two preview image data that post-positioned pick-up head obtains respectively, determines current preview figure
The depth of view information of focusing area in Xiang.
Wherein, the depth of view information of focusing area is made up of the depth of view information of each pixel in focusing area.Therefore, can be according to double
In the preview image data that in cam device, two post-positioned pick-up heads obtain respectively, the phase contrast of each pixel, inquires about each picture
The depth of view information of vegetarian refreshments.And then, it may be determined that present preview image is positioned at the depth of view information of each pixel of focusing area,
The depth of view information of focusing area in present preview image.
In embodiments of the invention, focusing area can be selected by user, or is automatically adjusted by photographic head.
S202, obtains the first meansigma methods of the depth of view information of described focusing area.
S203, according to described first meansigma methods and default regulation coefficient, determines the depth of field letter of foreground area in present preview image
Breath.
In one embodiment of the invention, according to default regulation coefficient, the first meansigma methods can be adjusted, obtain current pre-
Look at the depth of view information of foreground area in image.Wherein, adjustment mode may include but be not limited in the following manner:
Mode one
First meansigma methods can be obtained the field depth upper limit plus the regulation coefficient preset, the first meansigma methods is deducted default adjustment
Coefficient obtains field depth lower limit.Depth of view information between field depth lower limit and the field depth upper limit is current preview figure
The depth of view information of foreground area in Xiang.
Mode two
First meansigma methods can be multiplied by default regulation coefficient and obtain the field depth upper limit, by the first meansigma methods divided by default adjustment
Coefficient obtains field depth lower limit.Depth of view information between field depth lower limit and the field depth upper limit is current preview figure
The depth of view information of foreground area in Xiang.
S102, determines the shooting distance between shooting main body and described photographic head module according to the depth of view information of described foreground area.
Owing to depth of view information is relevant with factors such as lens aperture, lens focus and shooting distances.Existing dual camera is filled
Putting, its lens aperture, lens focus have been fixed, therefore, depth of view information can reflect shooting object various piece and camera lens away from
From (i.e. shooting distance).Wherein, depth of view information is the biggest, and shooting distance is the biggest；Depth of view information is the least, and shooting distance is the least.
In an embodiment of the present invention, for each Double-camera device, can be previously according to two of which post-positioned pick-up head
Lens aperture, lens focus determine the corresponding relation of different depth of view information and shooting distance.
Wherein, shooting distance is the shooting distance between shooting main body and described photographic head module.
Therefore, in one embodiment of the invention, S102, it may include: obtain described foreground area depth of view information second
Meansigma methods；Preset corresponding relation according to described second meansigma methods inquiry, determine the bat between shooting main body and described photographic head module
Photographic range.
It is of course also possible to correspondence is preset in the depth of view information of selected part picture point, calculating meansigma methods, and inquiry from foreground area
Relation, to determine the shooting distance between shooting main body and described photographic head module；Or therefrom the picture point in foreground area takes
Sample, and inquire about default corresponding relation according to the depth of view information value of sample point, obtain the shooting distance of correspondence, and as shooting main body
And the shooting distance between described photographic head module.
S103, determines the screening-mode of present preview image according to described shooting distance and default reference distance.
In one embodiment of the invention, the corresponding relation of different distance scope and screening-mode can be preset, wherein respectively away from
Can be determined by the reference distance preset from scope.Specifically, multiple distance range can be determined previously according at least one reference distance,
And set the screening-mode that each distance range is corresponding.And then, when the shooting determined between shooting main body and described photographic head module
Distance afterwards, can be according to the screening-mode of this shooting distance inquiry correspondence.
The screening-mode automatic adjusting method of the embodiment of the present invention, obtains respectively according in Double-camera device two post-positioned pick-up heads
Preview image data determine the depth of view information of foreground area in present preview image, and determine shooting main body according to this depth of view information
And the shooting distance between Double-camera device, and determine current preview according to this shooting distance and the reference distance preset further
The screening-mode of image, it is possible to automatically determine the screening-mode of present preview image, and then need not user's hands when shooting every time
Dynamic selection screening-mode, simplifies user operation, improves shooting efficiency, promote Consumer's Experience.
Fig. 3 is the flow chart of the screening-mode automatic adjusting method according to another embodiment of the present invention.
As it is shown on figure 3, screening-mode automatic adjusting method according to embodiments of the present invention, comprise the following steps:
S301, according in Double-camera device two preview image data that post-positioned pick-up head obtains respectively, determines current preview figure
The depth of view information of foreground area in Xiang.
In one embodiment of the invention, Double-camera device has two post-positioned pick-up heads.Wherein, two post-positioned pick-up heads
Set-up mode can be but be not limited in the following manner:
Mode one
Two post-positioned pick-up heads are horizontally disposed.
Mode two
Two post-positioned pick-up heads are vertically arranged.
Wherein, horizontal direction refers to the direction parallel with mobile terminal minor face, and vertical direction refers to that limit long with mobile terminal is parallel
Direction.
It should be noted that two post-positioned pick-up heads can also be arranged otherwise, such as, two rearmounted shootings can be set
The line of head is from the horizontal by default angle.
In embodiments of the invention, preview image data can be reference object data after camera imaging.Current preview figure
Seem that at least one preview image data of obtaining according to two post-positioned pick-up heads generates.Depth of view information is to instigate subject to produce
Give birth to the closest approach distance to solstics of more sharp image, the i.e. spatial depth of object physical ability blur-free imaging.For preview graph
The depth of view information that in Xiang, each picture point is corresponding, can be according to this picture point in the preview image data that two post-positioned pick-up heads obtain
Phase contrast inquiry obtain.
Due to the position of two post-positioned pick-up heads and differ, therefore, two post-positioned pick-up heads exist for reference object
Certain differential seat angle and range difference, therefore, corresponding preview image data there is also certain phase contrast.For example, for
A point in photographic subjects, in the preview image data of photographic head 1, the pixel coordinate that A point is corresponding is (30,50),
And in the preview image data of photographic head 2, the pixel coordinate that A point is corresponding is (30,48), A point is two preview graph
As the phase contrast of pixel corresponding in data is 50-48=2.
In embodiments of the invention, the pass of depth of view information and phase contrast can be set up previously according to experimental data or photographic head parameter
System, and then, it is right to search according to picture point each in preview image phase contrast in the preview image data that two photographic head obtain
The depth of view information answered.For example, for the phase contrast 2 that above-mentioned A point is corresponding, if inquired according to default corresponding relation
The corresponding depth of field is 5 meters, then the depth of view information that in preview image, A point is corresponding is 5 meters.Thus, available current preview figure
The depth of view information of each pixel in Xiang.
In obtaining present preview image after the depth of view information of each picture point, foreground zone in present preview image can be further determined that
The depth of view information in territory.
In an embodiment of the present invention, the depth of view information of foreground area in present preview image can be determined in several ways.Citing
For, the example below one and example two can be passed through to determining that in current preview figure, the depth of view information of foreground area carries out exemplary theory
Bright.
Example one
Determine the foreground area in present preview image, and constituted foreground area by the depth of view information of the pixel being positioned at foreground area
Depth of view information.
Wherein, the depth of view information of foreground area is made up of the depth of view information of pixel each in foreground area.
Wherein, foreground area can be selected by user, or determines according to the focusing area of user's selection or acquiescence.Such as, will
Focusing area outward expansion preset range obtains foreground area.
Example two
The depth of view information of foreground area is determined according to the depth of view information of focusing area in front preview image.Specifically, it may include such as figure
Step S201-S203 shown in 2.
S302, determines the shooting distance between shooting main body and described photographic head module according to the depth of view information of described foreground area.
Owing to depth of view information is relevant with factors such as lens aperture, lens focus and shooting distances.Existing dual camera is filled
Putting, its lens aperture, lens focus have been fixed, therefore, depth of view information can reflect shooting object various piece and camera lens away from
From (i.e. shooting distance).Wherein, depth of view information is the biggest, and shooting distance is the biggest；Depth of view information is the least, and shooting distance is the least.
In an embodiment of the present invention, for each Double-camera device, can be previously according to two of which post-positioned pick-up head
Lens aperture, lens focus determine the corresponding relation of different depth of view information and shooting distance.
Wherein, shooting distance is the shooting distance between shooting main body and described photographic head module.
Therefore, in one embodiment of the invention, S302, it may include: obtain described foreground area depth of view information second
Meansigma methods；Preset corresponding relation according to described second meansigma methods inquiry, determine the bat between shooting main body and described photographic head module
Photographic range.
It is of course also possible to correspondence is preset in the depth of view information of selected part picture point, calculating meansigma methods, and inquiry from foreground area
Relation, to determine the shooting distance between shooting main body and described photographic head module；Or therefrom the picture point in foreground area takes
Sample, and inquire about default corresponding relation according to the depth of view information value of sample point, obtain the shooting distance of correspondence, and as shooting main body
And the shooting distance between described photographic head module.
S303, it is judged that whether described shooting distance is less than the first reference distance preset.
S304, if described shooting distance is less than described first reference distance, then starts microshot pattern shooting current preview figure
Picture.
If it is less that shooting distance is less than described first reference distance, i.e. distance between shooting main body and photographic head module, can be true
The screening-mode determining present preview image is microshot pattern, therefore, can start microshot pattern shooting present preview image.
S305, if described shooting distance more than described first reference distance, then judges that described shooting distance is whether more than presetting
Second reference distance, wherein, described second reference distance is more than described first reference distance.
S306, if described shooting distance is more than described second reference distance, then starts panorama deep screening-mode shooting current preview
Image.
If it is relatively big that shooting distance is more than described second reference distance, i.e. distance between shooting main body and photographic head module, then may be used
The screening-mode determining present preview image is the deep screening-mode of panorama, therefore, can start the shooting of panorama deep screening-mode current pre-
Look at image.
S307, if described shooting distance is more than described first reference distance and less than described second reference distance, then starts normal
Screening-mode shooting present preview image.
If shooting distance is between the first reference distance and the second reference distance, i.e. shooting main body and photographic head module between away from
From all the time, then can determine that the screening-mode of present preview image is normal photographing mode, therefore, normal photographing mode can be started and clap
Take the photograph present preview image.
For example, the first reference distance can be 10 centimetres, and the second reference distance can be 5 meters.When shooting distance is less than 10 lis
Meter Shi, it may be determined that corresponding screening-mode is microshot pattern, then start microshot pattern shooting present preview image；When
When shooting distance is more than 5 meters, it may be determined that corresponding screening-mode is the deep screening-mode of panorama, then starts the deep screening-mode of panorama and clap
Take the photograph present preview image；If shooting distance is between 10 centimetres to 5 meters, it may be determined that corresponding screening-mode is normal photographing
Pattern can start normal photographing mode and shoot present preview image.
In an embodiment of the present invention, after using above-mentioned each screening-mode to shoot, can determine again according to said process and work as
The screening-mode of front preview image, to shoot next time.
The screening-mode automatic adjusting method of the embodiment of the present invention, obtains respectively according in Double-camera device two post-positioned pick-up heads
Preview image data determine the depth of view information of foreground area in present preview image, and determine the shooting master that this depth of view information is corresponding
After shooting distance between body and Double-camera device, the screening-mode corresponding with this shooting distance can be started, to current preview figure
As shooting, and then need not user and manually select screening-mode when shooting every time, simplify user operation, improve bat
Take the photograph efficiency, promote Consumer's Experience.
In order to realize above-described embodiment, the present invention also proposes a kind of screening-mode automatic regulating apparatus.
Fig. 4 is the structural representation of the screening-mode automatic regulating apparatus according to one embodiment of the invention.
As shown in Figure 4, screening-mode automatic regulating apparatus according to embodiments of the present invention, including: first determine module 10,
Second determines that module 20 and the 3rd determines module 30.
Specifically, first determines that module 10 is for according in Double-camera device two preview graph that post-positioned pick-up head obtains respectively
As data determine the depth of view information of foreground area in present preview image.
In one embodiment of the invention, Double-camera device has two post-positioned pick-up heads.Wherein, two post-positioned pick-up heads
Set-up mode can be but be not limited in the following manner:
Mode one
Two post-positioned pick-up heads are horizontally disposed.
Mode two
Two post-positioned pick-up heads are vertically arranged.
Wherein, horizontal direction refers to the direction parallel with mobile terminal minor face, and vertical direction refers to that limit long with mobile terminal is parallel
Direction.
It should be noted that two post-positioned pick-up heads can also be arranged otherwise, such as, two rearmounted shootings can be set
The line of head is from the horizontal by default angle.
In embodiments of the invention, preview image data can be reference object data after camera imaging.Current preview figure
Seem that at least one preview image data of obtaining according to two post-positioned pick-up heads generates.Depth of view information is to instigate subject to produce
Give birth to the closest approach distance to solstics of more sharp image, the i.e. spatial depth of object physical ability blur-free imaging.
Due to the position of two post-positioned pick-up heads and differ, therefore, two post-positioned pick-up heads exist for reference object
Certain differential seat angle and range difference, therefore, corresponding preview image data there is also certain phase contrast.For example, for
A point in photographic subjects, in the preview image data of photographic head 1, the pixel coordinate that A point is corresponding is (30,50),
And in the preview image data of photographic head 2, the pixel coordinate that A point is corresponding is (30,48), A point is two preview graph
As the phase contrast of pixel corresponding in data is 50-48=2.
In embodiments of the invention, the pass of depth of view information and phase contrast can be set up previously according to experimental data or photographic head parameter
System, and then, it is right to search according to picture point each in preview image phase contrast in the preview image data that two photographic head obtain
The depth of view information answered.For example, for the phase contrast 2 that above-mentioned A point is corresponding, if inquired according to default corresponding relation
The corresponding depth of field is 5 meters, then the depth of view information that in preview image, A point is corresponding is 5 meters.Thus, available current preview figure
The depth of view information of each pixel in Xiang.
In obtaining present preview image after the depth of view information of each picture point, first determines that module 10 can further determine that currently
The depth of view information of foreground area in preview image.
In an embodiment of the present invention, first determines that module 10 can determine foreground area in present preview image in several ways
Depth of view information.For example, by the example below one and example two, the depth of field determining foreground area in current preview figure can be believed
Cease illustrative.
Example one
Determine the foreground area in present preview image, and constituted foreground area by the depth of view information of the pixel being positioned at foreground area
Depth of view information.
Wherein, the depth of view information of foreground area is made up of the depth of view information of pixel each in foreground area.
Wherein, foreground area can be selected by user, or determines according to the focusing area of user's selection or acquiescence.Such as, will
Focusing area outward expansion preset range obtains foreground area.
Example two
The depth of view information of foreground area is determined according to the depth of view information of focusing area in front preview image.Specifically, first determines mould
Block 10 can be used for: according in Double-camera device two preview image data that post-positioned pick-up head obtains respectively, determines current pre-
Look at the depth of view information of focusing area in image；Obtain the first meansigma methods of the depth of view information of described focusing area；According to described first
Meansigma methods and the regulation coefficient preset, determine the depth of view information of foreground area in present preview image.
Wherein, the depth of view information of focusing area is made up of the depth of view information of each pixel in focusing area.Therefore, can be according to double
In the preview image data that in cam device, two post-positioned pick-up heads obtain respectively, the phase contrast of each pixel, inquires about each picture
The depth of view information of vegetarian refreshments.And then, it may be determined that present preview image is positioned at the depth of view information of each pixel of focusing area,
The depth of view information of focusing area in present preview image.
In embodiments of the invention, focusing area can be selected by user, or is automatically adjusted by photographic head.
In one embodiment of the invention, according to default regulation coefficient, the first meansigma methods can be adjusted, obtain current pre-
Look at the depth of view information of foreground area in image.Wherein, adjustment mode may include but be not limited in the following manner:
Mode one
First meansigma methods can be obtained the field depth upper limit plus the regulation coefficient preset, the first meansigma methods is deducted default adjustment
Coefficient obtains field depth lower limit.Depth of view information between field depth lower limit and the field depth upper limit is current preview figure
The depth of view information of foreground area in Xiang.
Mode two
First meansigma methods can be multiplied by default regulation coefficient and obtain the field depth upper limit, by the first meansigma methods divided by default adjustment
Coefficient obtains field depth lower limit.Depth of view information between field depth lower limit and the field depth upper limit is current preview figure
The depth of view information of foreground area in Xiang.
Second determine module 20 for according to the depth of view information of described foreground area determine shooting main body and described photographic head module it
Between shooting distance；
Owing to the factors such as depth of view information and lens aperture, lens focus and shooting distance are relevant, therefore, for each double shootings
For head unit, different depth of view information and bat can be determined previously according to the lens aperture of two of which post-positioned pick-up head, lens focus
The corresponding relation of photographic range.
Wherein, shooting distance is the shooting distance between shooting main body and described photographic head module.
Therefore, in one embodiment of the invention, second determines that module 20 can be used for: obtain the depth of field of described foreground area
Second meansigma methods of information；Preset corresponding relation according to described second meansigma methods inquiry, determine shooting main body and described shooting head mould
Shooting distance between group.
It is of course also possible to correspondence is preset in the depth of view information of selected part picture point, calculating meansigma methods, and inquiry from foreground area
Relation, to determine the shooting distance between shooting main body and described photographic head module；Or therefrom the picture point in foreground area takes
Sample, and inquire about default corresponding relation according to the depth of view information value of sample point, obtain the shooting distance of correspondence, and as shooting main body
And the shooting distance between described photographic head module.
3rd determines that module 30 for determining the shooting mould of present preview image according to described shooting distance and default reference distance
Formula.
In one embodiment of the invention, the corresponding relation of different distance scope and screening-mode can be preset, wherein respectively away from
Can be determined by the reference distance preset from scope.Specifically, the 3rd determines that module 30 can be previously according at least one reference distance
Determine multiple distance range, and set the screening-mode that each distance range is corresponding.And then, when determining that shooting main body is taken the photograph with described
After the shooting distance between head mould group, the 3rd determines that module 30 can be according to the screening-mode of this shooting distance inquiry correspondence.
The screening-mode automatic regulating apparatus of the embodiment of the present invention, obtains respectively according in Double-camera device two post-positioned pick-up heads
Preview image data determine the depth of view information of foreground area in present preview image, and determine shooting main body according to this depth of view information
And the shooting distance between Double-camera device, and determine current preview according to this shooting distance and the reference distance preset further
The screening-mode of image, it is possible to automatically determine the screening-mode of present preview image, and then need not user's hands when shooting every time
Dynamic selection screening-mode, simplifies user operation, improves shooting efficiency, promote Consumer's Experience.
Fig. 5 is the structural representation of the screening-mode automatic regulating apparatus according to one embodiment of the invention.
As it is shown in figure 5, screening-mode automatic regulating apparatus according to embodiments of the present invention, including: first determine module 10,
Second determines that module 20 and the 3rd determines module 30, and wherein, first determines that module 10 and second determines module 20 and Fig. 4 institute
Showing that embodiment is identical, the 3rd determines that module 30 farther includes: the first judging unit 31, start unit 32 and second judge
Unit 33.
First judging unit 31 is for judging that whether described shooting distance is less than the first reference distance preset.
Start unit 32, for when described shooting distance is less than described first reference distance, starts the shooting of microshot pattern and works as
Front preview image.
If it is less that shooting distance is less than described first reference distance, i.e. distance between shooting main body and photographic head module, can be true
The screening-mode determining present preview image is microshot pattern, and therefore, start unit 32 can start the shooting of microshot pattern
Present preview image.
Second judging unit 33 for described judge that whether described shooting distance is less than the first reference distance preset after, work as institute
When stating shooting distance more than described first reference distance, it is judged that whether described shooting distance is more than the second reference distance preset, its
In, described second reference distance is more than described first reference distance.
Start unit 32 is additionally operable to, when described shooting distance more than described second reference distance is, start the deep screening-mode of panorama and clap
Take the photograph present preview image.
If it is relatively big that shooting distance is more than described second reference distance, i.e. distance between shooting main body and photographic head module, then may be used
The screening-mode determining present preview image is the deep screening-mode of panorama, and therefore, start unit 32 can start panorama and deeply shoot mould
Formula shooting present preview image.
Start unit 32 be additionally operable to described judge that described shooting distance is whether more than the second reference distance preset after, work as institute
When stating shooting distance more than described first reference distance and less than described second reference distance, start normal photographing mode shooting current
Preview image.
If shooting distance is between the first reference distance and the second reference distance, i.e. shooting main body and photographic head module between away from
From all the time, then can determine that the screening-mode of present preview image is normal photographing mode, therefore, start unit 32 just can start
Often screening-mode shooting present preview image.
For example, the first reference distance can be 10 centimetres, and the second reference distance can be 5 meters.When shooting distance is less than 10 lis
Meter Shi, it may be determined that corresponding screening-mode is microshot pattern, then start microshot pattern shooting present preview image；When
When shooting distance is more than 5 meters, it may be determined that corresponding screening-mode is the deep screening-mode of panorama, then starts the deep screening-mode of panorama and clap
Take the photograph present preview image；If shooting distance is between 10 centimetres to 5 meters, it may be determined that corresponding screening-mode is normal photographing
Pattern can start normal photographing mode and shoot present preview image.
In an embodiment of the present invention, after using above-mentioned each screening-mode to shoot, can determine again according to said process and work as
The screening-mode of front preview image, to shoot next time.
The screening-mode automatic regulating apparatus of the embodiment of the present invention, obtains respectively according in Double-camera device two post-positioned pick-up heads
Preview image data determine the depth of view information of foreground area in present preview image, and determine the shooting master that this depth of view information is corresponding
After shooting distance between body and Double-camera device, the screening-mode corresponding with this shooting distance can be started, to current preview figure
As shooting, and then need not user and manually select screening-mode when shooting every time, simplify user operation, improve bat
Take the photograph efficiency, promote Consumer's Experience.
The present invention also proposes a kind of mobile terminal.
Mobile terminal according to embodiments of the present invention, including the screening-mode automatic regulating apparatus of any embodiment of the present invention.
Mobile terminal according to embodiments of the present invention, according in Double-camera device two preview graph that post-positioned pick-up head obtains respectively
As data determine the depth of view information of foreground area in present preview image, and determine shooting main body and double shootings according to this depth of view information
Shooting distance between head unit, and the bat of present preview image is determined further according to this shooting distance and default reference distance
Take the photograph pattern, it is possible to automatically determine the screening-mode of present preview image, and then need not user and manually select bat when shooting every time
Take the photograph pattern, simplify user operation, improve shooting efficiency, promote Consumer's Experience.
The present invention also proposes another kind of mobile terminal.
Mobile terminal according to embodiments of the present invention, including: housing, processor, memorizer, circuit board and power circuit, its
In, described circuit board is placed in the interior volume that described housing surrounds, described processor and described memorizer and is arranged on described circuit
On plate；Described power circuit, powers for each circuit or the device for described mobile terminal；Described memorizer can for storage
Perform program code；Described processor is run by the executable program code of storage in the described memorizer of reading and holds with described
The program that line program code is corresponding, for performing following steps:
According in Double-camera device two preview image data that post-positioned pick-up head obtains respectively, before determining in present preview image
The depth of view information of scene area；
Depth of view information according to described foreground area determines the shooting distance between shooting main body and described photographic head module；
The screening-mode of present preview image is determined according to described shooting distance and default reference distance.
Mobile terminal according to embodiments of the present invention, according in Double-camera device two preview graph that post-positioned pick-up head obtains respectively
As data determine the depth of view information of foreground area in present preview image, and determine shooting main body and double shootings according to this depth of view information
Shooting distance between head unit, and the bat of present preview image is determined further according to this shooting distance and default reference distance
Take the photograph pattern, it is possible to automatically determine the screening-mode of present preview image, and then need not user and manually select bat when shooting every time
Take the photograph pattern, simplify user operation, improve shooting efficiency, promote Consumer's Experience.
Any process described otherwise above or method describe and are construed as in flow chart or at this, represent include one or
The module of code, fragment or the part of the executable instruction of the more steps for realizing specific logical function or process, and
The scope of the preferred embodiment of the present invention includes other realization, wherein can not be by order that is shown or that discuss, including root
According to involved function by basic mode simultaneously or in the opposite order, performing function, this should be by embodiments of the invention institute
Belong to those skilled in the art to be understood.
Represent in flow charts or the logic described otherwise above at this and/or step, for example, it is possible to be considered as reality
The sequencing list of the executable instruction of existing logic function, may be embodied in any computer-readable medium, holds for instruction
Row system, device or equipment (system such as computer based system, including processor or other can from instruction execution system,
Device or equipment instruction fetch also perform the system of instruction) use, or combine these instruction execution systems, device or equipment and use.
For the purpose of this specification, " computer-readable medium " can be any can comprise, store, communicate, propagate or transmission procedure with
For instruction execution system, device or equipment or combine these instruction execution systems, device or equipment and device.Computer
The more specifically example (non-exhaustive list) of computer-readable recording medium includes following: have the electrical connection section (electricity of one or more wiring
Sub-device), portable computer diskette box (magnetic device), random access memory (RAM), read only memory (ROM),
Erasable edit read only memory (EPROM or flash memory), fiber device, and the read-only storage of portable optic disk
Device (CDROM).It addition, computer-readable medium can even is that and can print the paper of described program thereon or other are suitable
Medium, because then can carry out editing, interpreting or if desired with it such as by paper or other media are carried out optical scanning
His suitable method is processed to electronically obtain described program, is then stored in computer storage.
Should be appreciated that each several part of the present invention can realize by hardware, software, firmware or combinations thereof.In above-mentioned enforcement
In mode, multiple steps or method can be with storing the software or firmware that in memory and be performed by suitable instruction execution system
Realize.Such as, if realized with hardware, with the most the same, available following technology well known in the art
In any one or their combination realize: have and patrol for the discrete of logic gates that data signal is realized logic function
Collect circuit, there is the special IC of suitable combination logic gate circuit, programmable gate array (PGA), field-programmable
Gate array (FPGA) etc..
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is can
Completing instructing relevant hardware by program, described program can be stored in a kind of computer-readable recording medium, should
Program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, each functional unit in each embodiment of the present invention can be integrated in a processing module, it is also possible to be each
Unit is individually physically present, it is also possible to two or more unit are integrated in a module.Above-mentioned integrated module is the most permissible
The form using hardware realizes, it would however also be possible to employ the form of software function module realizes.If described integrated module is with software merit
Can the form of module realize and as independent production marketing or when using, it is also possible to be stored in the storage of embodied on computer readable and be situated between
In matter.
Storage medium mentioned above can be read only memory, disk or CD etc..
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example ",
Or specific features, structure, material or the feature that the description of " some examples " etc. means to combine this embodiment or example describes comprises
In at least one embodiment or example of the present invention.In this manual, the schematic representation to above-mentioned term not necessarily refers to
It is identical embodiment or example.And, the specific features of description, structure, material or feature can at any one or
Multiple embodiments or example combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: without departing from this
These embodiments can be carried out multiple change in the case of the principle of invention and objective, revise, replace and modification, the present invention's
Scope is limited by claim and equivalent thereof.
Claims (14)
1. a screening-mode automatic adjusting method, it is characterised in that comprise the following steps:
According in Double-camera device two preview image data that post-positioned pick-up head obtains respectively, before determining in present preview image
The depth of view information of scene area；
Depth of view information according to described foreground area determines the shooting distance between shooting main body and described photographic head module；
The screening-mode of present preview image is determined according to described shooting distance and default reference distance.
2. the method for claim 1, it is characterised in that described according in Double-camera device two post-positioned pick-up heads
The preview image data obtained respectively, determines the depth of view information of foreground area in present preview image, including:
According in Double-camera device two preview image data that post-positioned pick-up head obtains respectively, it is right to determine in present preview image
The depth of view information in burnt region；
Obtain the first meansigma methods of the depth of view information of described focusing area；
According to described first meansigma methods and default regulation coefficient, determine the depth of view information of foreground area in present preview image.
3. the method for claim 1, it is characterised in that the described depth of view information according to described foreground area determines bat
Take the photograph the shooting distance between main body and described photographic head module, including:
Obtain the second meansigma methods of the depth of view information of described foreground area；
According to described second meansigma methods inquiry preset corresponding relation, determine shooting main body and described photographic head module between shooting away from
From.
4. the method as described in claim 1-3 is arbitrary, it is characterised in that described according to described shooting distance and preset ginseng
Examine distance and determine the screening-mode of present preview image, including:
Judge that whether described shooting distance is less than the first reference distance preset；
If described shooting distance is less than described first reference distance, then start microshot pattern shooting present preview image.
5. method as claimed in claim 4, it is characterised in that described judge that described shooting distance is whether less than the preset
After one reference distance, also include:
If described shooting distance is more than described first reference distance, then judge that whether described shooting distance is more than the second ginseng preset
Examining distance, wherein, described second reference distance is more than described first reference distance；
If described shooting distance is more than described second reference distance, then start panorama deep screening-mode shooting present preview image.
6. method as claimed in claim 5, it is characterised in that described judge that described shooting distance is whether more than the preset
After two reference distances, also include:
If described shooting distance is more than described first reference distance and less than described second reference distance, then start normal photographing mould
Formula shooting present preview image.
7. a screening-mode automatic regulating apparatus, it is characterised in that including:
First determines module, is used for according in Double-camera device two preview image data that post-positioned pick-up head obtains respectively, really
Determine the depth of view information of foreground area in present preview image；
Second determines module, for determining between shooting main body and described photographic head module according to the depth of view information of described foreground area
Shooting distance；
3rd determines module, for determining the shooting mould of present preview image according to described shooting distance and default reference distance
Formula.
8. device as claimed in claim 7, it is characterised in that described first determine module for:
According in Double-camera device two preview image data that post-positioned pick-up head obtains respectively, it is right to determine in present preview image
The depth of view information in burnt region；
Obtain the first meansigma methods of the depth of view information of described focusing area；
According to described first meansigma methods and default regulation coefficient, determine the depth of view information of foreground area in present preview image.
9. device as claimed in claim 7, it is characterised in that described second determine module for:
Obtain the second meansigma methods of the depth of view information of described foreground area；
According to described second meansigma methods inquiry preset corresponding relation, determine shooting main body and described photographic head module between shooting away from
From.
10. the device as described in claim 7-9 is arbitrary, it is characterised in that the described 3rd determines that module includes:
First judging unit, for judging that whether described shooting distance is less than the first reference distance preset；
Start unit, for when described shooting distance is less than described first reference distance, starts the shooting of microshot pattern current
Preview image.
11. devices as claimed in claim 10, it is characterised in that also include:
Second judging unit, for described judge that described shooting distance is whether less than the first reference distance preset after, when described
When shooting distance is more than described first reference distance, it is judged that whether described shooting distance is more than the second reference distance preset, wherein,
Described second reference distance is more than described first reference distance；
Described start unit is additionally operable to, when described shooting distance more than described second reference distance is, start the deep screening-mode of panorama and clap
Take the photograph present preview image.
12. devices as claimed in claim 11, it is characterised in that
Described start unit be additionally operable to described judge that described shooting distance is whether more than the second reference distance preset after, work as institute
When stating shooting distance more than described first reference distance and less than described second reference distance, start normal photographing mode shooting current
Preview image.
13. 1 kinds of mobile terminals, it is characterised in that include that the screening-mode as described in any one of claim 7-12 is adjusted automatically
Engagement positions.
14. 1 kinds of mobile terminals, it is characterised in that including: housing, processor, memorizer, circuit board and power circuit,
Wherein, described circuit board is placed in the interior volume that described housing surrounds, described processor and described memorizer and is arranged on described electricity
On the plate of road；Described power circuit, powers for each circuit or the device for described mobile terminal；Described memorizer is used for storing
Executable program code；Described processor by read the executable program code of storage in described memorizer run with described can
Perform the program that program code is corresponding, for performing following steps:
According in Double-camera device two preview image data that post-positioned pick-up head obtains respectively, before determining in present preview image
The depth of view information of scene area；
Depth of view information according to described foreground area determines the shooting distance between shooting main body and described photographic head module；
The screening-mode of present preview image is determined according to described shooting distance and default reference distance.
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