CN104363379B - The method and terminal taken pictures using different focal camera - Google Patents
The method and terminal taken pictures using different focal camera Download PDFInfo
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- CN104363379B CN104363379B CN201410718842.0A CN201410718842A CN104363379B CN 104363379 B CN104363379 B CN 104363379B CN 201410718842 A CN201410718842 A CN 201410718842A CN 104363379 B CN104363379 B CN 104363379B
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Abstract
The invention discloses method and terminal that a kind of use different focal camera is taken pictures, not increase camera lens module on the premise of remain able to obtain high-quality image.Methods described includes：Before beginning of taking pictures, enable the first camera and focused；According to the imaging effect of the first camera focusing, judge whether to need to enable second camera and focused, the focal length of the focal length less than the first camera of second camera；When judging to need to enable second camera focusing, enable second camera and focused；Object is focused using being shot to defocused camera.Due to the focal length of the focal length less than the first camera of second camera, therefore, when object closely is shot, only need to enable second camera to defocused shooting, quality photo higher can not only be obtained, and, ensure that camera lens is not protruded into outside terminal, reduce camera lens module space so that the affiliated terminal of camera can be made to more ultra-thin light and handy, meet process requirements of the user to terminal.
Description
Technical field
The invention belongs to image processing field, more particularly to a kind of method taken pictures of use different focal camera and end
End.
Background technology
The development of the intelligent terminal technology such as smart mobile phone, panel computer so that the function of these terminals is stronger and stronger,
Through the simple function for much having surmounted communication.It is no exaggeration to say that, the intelligent terminal such as smart mobile phone has no longer been simple
Means of communication, but integrate leisure, amusement and communication etc. function handicraft.For example, general smart mobile phone all bands
There is camera, with the function of realizing taking pictures and/or imaging.
An important indicator for weighing the shoot function of above-mentioned intelligent terminal is the definition of image.By optical field into
As principle understands, focal length (or remote burnt) camera can be clearly captured remote object.Therefore, in order to obtain definition
Image high, existing intelligent terminal is often using a focal length camera subject away from object farther out.
Although focal length camera can shoot longer-distance object, thing closely is being shot using focal length camera
Larger inconvenience is had during body.Because, the effective focal length (Effective Focal Length, EFL) of telephoto lens is more long,
Shooting at close range needs longer camera lens skew (lens shift), and the size of the intelligent terminal such as mobile phone is all limited, this
Lens shift requirement intelligent terminals provide bigger space to camera lens module.The trend such as ultra-thin, light and handy is needed in intelligent terminal
Under, above-mentioned prior art causes great challenge to manufacturing process.
The content of the invention
The present invention provides the method and terminal that a kind of use different focal camera is taken pictures, before not increasing camera lens module
Put and remain able to obtain high-quality image.
First aspect present invention provides a kind of method that use different focal camera is taken pictures, including：
Before beginning of taking pictures, enable the first camera and focused；
According to the imaging effect of first camera focusing, judge whether to need to enable second camera and focused,
Focal length of the focal length of the second camera less than first camera；
When judging to need to enable second camera focusing, enable the second camera and focused；
Object is focused using being shot to defocused camera.
It is described according to the described first shooting with reference in a first aspect, in the first possible implementation of first aspect
The imaging effect of head focusing, judging whether to need to enable second camera carries out focusing and includes：
In the first camera focusing during imaging clearly, calculating is focused object and is taken the photograph with first camera or second
The distance of terminal as belonging to head；
According to the relation of the distance and predetermined threshold value, judge whether to need to enable second camera and focused.
With reference to the first possible implementation of first aspect, in second possible implementation of first aspect
In, the relation according to the distance and predetermined threshold value, judging whether to need to enable second camera carries out focusing and includes：
If the distance no more than institute for being focused object and first camera or the affiliated terminal of second camera
State predetermined threshold value, it is determined that need to enable the second camera and focused；
If described be focused object with the distance of first camera or the affiliated terminal of second camera more than described
Predetermined threshold value, it is determined that focused without enabling the second camera, and determine to need to enable first camera to enter
Row focusing.
With reference to the first possible or second possible implementation of first aspect, the third in first aspect may
Implementation in, predetermined threshold value is focused the first camera described in object distance in imaging clearly for first camera
Maximum.
With reference to the third possible implementation of first aspect, in the 4th kind of possible implementation of first aspect
In, the predetermined threshold value is 0.5 meter.
Second aspect present invention provides the terminal that a kind of use different focal camera is taken pictures, including：
First camera enables module, for before beginning of taking pictures, enabling the first camera and being focused；
First judge module, for the imaging effect according to first camera focusing, judges whether to need to enable
Two cameras are focused, the focal length of the focal length less than first camera of the second camera；
Second camera enables module, for when judging to need to enable second camera focusing, enabling described second and taking the photograph
As head is focused；
First camera and second camera, for being focused object to defocused shooting.
With reference to second aspect, in the first possible implementation of second aspect, first judge module includes：
Object distance computing unit, in the first camera focusing during imaging clearly, calculating is focused object with described the
The distance of one camera or the affiliated terminal of second camera；
Second judging unit, for the relation of the distance that is calculated according to the object distance computing unit and predetermined threshold value,
Judge whether to need to enable second camera and focused.
With reference to the first possible implementation of second aspect, in second possible implementation of second aspect
In, second judging unit includes：
First determining unit, takes the photograph if being calculated for the object distance computing unit and being focused object described in gained with described first
As the distance of head or the affiliated terminal of second camera is not more than the predetermined threshold value, it is determined that need to enable second shooting
Head is focused；
Second determining unit, takes the photograph if being calculated for the object distance computing unit and being focused object described in gained with described first
As the distance of head or the affiliated terminal of second camera is more than the predetermined threshold value, it is determined that without enabling the second camera
Focused, and determine to need to enable first camera to be focused.
With reference to the first possible or second possible implementation of second aspect, the third in second aspect may
Implementation in, predetermined threshold value is focused the first camera described in object distance in imaging clearly for first camera
Maximum.
With reference to the third possible implementation of second aspect, in the 4th kind of possible implementation of second aspect
In, the predetermined threshold value is 0.5 meter.
Knowable to the embodiments of the present invention, with prior art using a focal length camera subject away from object farther out
Difference, the present invention is carried out to defocused enabling the first camera, is the imaging effect of focal length camera according to the first camera focusing
Fruit determines whether to be focused using second camera.Due to the focal length of the focal length less than the first camera of second camera, therefore,
When shooting object closely, it is only necessary to enable second camera to defocused shooting, quality photo higher can not only be obtained,
And, it is ensured that camera lens is not protruded into outside terminal, reduces camera lens module space so that the affiliated terminal of camera can be made to
It is more ultra-thin light and handy, meet process requirements of the user to terminal.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is that the method taken pictures of use different focal camera that the embodiment of the present invention one is provided realizes that flow is illustrated
Figure；
Fig. 2 is that the method taken pictures of use different focal camera that the embodiment of the present invention two is provided realizes that flow is illustrated
Figure；
Fig. 3 is the structural representation of the terminal that the use different focal camera that the embodiment of the present invention three is provided is taken pictures；
Fig. 4 is the structural representation of the terminal that the use different focal camera that the embodiment of the present invention four is provided is taken pictures；
Fig. 5 is the structural representation of the terminal that the use different focal camera that the embodiment of the present invention five is provided is taken pictures.
Specific embodiment
To enable that goal of the invention of the invention, feature, advantage are more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described reality
It is only a part of embodiment of the invention to apply example, and not all embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
The embodiment of the present invention provides a kind of method that use different focal camera is taken pictures, and methods described includes：Taking pictures
Before beginning, enable the first camera and focused；According to the imaging effect of first camera focusing, judge whether that needs are opened
Focused with second camera, the focal length of the focal length less than first camera of the second camera；Judging to need
When enabling second camera focusing, enable the second camera and focused；It is focused using being shot to defocused camera
Object.The embodiment of the present invention also provides the corresponding terminal taken pictures using different focal camera.Carry out individually below specifically
It is bright.
Accompanying drawing 1 is referred to, is the realization of method that use different focal camera that the embodiment of the present invention one is provided is taken pictures
Flow, its executive agent can be the terminal with camera, for example, the intelligent terminal such as smart mobile phone, panel computer.Accompanying drawing 1
The method that the use different focal camera of example is taken pictures mainly includes the following steps that S101 to step S104：
S101, before beginning of taking pictures, enables the first camera and is focused.
Typically, for the terminal with camera, its camera at least has digital focus function.So-called numeral is right
Jiao, is by the processor of terminal inner, each elemental area increase in photo, so as to reach amplification purpose.This hand
Method with image processing software as changed the area of photo greatly, but program is carried out in terminal, by original CCD image sensors
On a part of pixel amplified using interpolation processing means, so as to picture is amplified into whole picture.
In embodiments of the present invention, if the first camera has optical focusing function, enable the first camera carry out it is right
Jiao Shi, can use optical focusing.If the first camera does not have optical focusing function, focused the first camera is enabled
When, can be focused using numeral.On the premise of imaging clearly is ensured, the present invention is not intended to limit to the method focused.
S102, according to the imaging effect of the first camera focusing, judges whether to need to enable second camera and is focused,
Focal length of the focal length of the second camera less than the first camera.
In embodiments of the present invention, can be according to imaging effect, it is determined that the use of two cameras being the first camera and
A camera in two cameras to defocused object to shooting；Jiao of the focal length of second camera less than the first camera
Away from, or, the angle of visual field of the angle of visual field more than the first camera of second camera.
S103, when judging to need to enable second camera focusing, enables second camera and is focused.
S104, object is focused using being shot to defocused camera.
In the present invention implements example, if by step S103, when judgement needs to enable second camera focusing, then enabling
Second camera to defocused, shot using second camera and be focused object, otherwise, is still enabled using step S101
First camera shoots and is focused object.
Knowable to the method that the use different focal camera of the example of above-mentioned accompanying drawing 1 is taken pictures, one is used with prior art
Focal length camera subject is different away from object farther out, and the present invention to defocused, taken the photograph according to first enabling the first camera
As the imaging effect that head focusing is focal length camera determines whether to be focused using second camera.Due to the focal length of second camera
Less than the focal length of the first camera, therefore, when object closely is shot, it is only necessary to enable second camera to defocused bat
Take the photograph, quality photo higher can not only be obtained, and, it is ensured that camera lens is not protruded into outside terminal, reduces camera lens module empty
Between so that the affiliated terminal of camera can be made to more ultra-thin light and handy, meet process requirements of the user to terminal.
Accompanying drawing 2 is referred to, is the realization of method that use different focal camera that the embodiment of the present invention two is provided is taken pictures
Flow.Method with the example of accompanying drawing 1 is similar, and the executive agent of the method for the example of accompanying drawing 2 can also be the terminal with camera,
For example, the intelligent terminal such as smart mobile phone, panel computer.The method that the use different focal camera of the example of accompanying drawing 2 is taken pictures is main
Comprise the following steps S201 to step S205：
S201, before beginning of taking pictures, enables the first camera and is focused.
Typically, for the terminal with camera, its camera at least has digital focus function.So-called numeral is right
Jiao, is by the processor of terminal inner, each elemental area increase in photo, so as to reach amplification purpose.This hand
Method with image processing software as changed the area of photo greatly, but program is carried out in terminal, by original CCD image sensors
On a part of pixel amplified using interpolation processing means, so as to picture is amplified into whole picture.
In embodiments of the present invention, if the first camera has optical focusing function, enable the first camera carry out it is right
Jiao Shi, can use optical focusing.If the first camera does not have optical focusing function, focused the first camera is enabled
When, can be focused using numeral.On the premise of imaging clearly is ensured, the present invention is not intended to limit to the method focused.
S202, in the first camera focusing during imaging clearly, calculating is focused object and the first camera or second
The distance of the affiliated terminal of camera.
Due to the first camera and second camera at grade, therefore, be focused object and the first camera institute
Belong to the distance of terminal and to be focused object with the distance of the affiliated terminal of second camera be equal.In embodiments of the present invention,
The distance for being focused object and the first camera or the affiliated terminal of second camera is exactly the object distance of image processing field.According to
The relation of object distance, image distance and focal length is 1/u+1/v=1/f, wherein, u is object distance, and v is image distance, and f is focal length, in known image distance and
On the premise of focal length, object distance can be calculated.
S203, the relation of gained distance and predetermined threshold value is calculated according to step S202, is judged whether to need to enable second and is taken the photograph
As head is focused.
Specifically, the relation of gained distance and predetermined threshold value is calculated according to step S202, judges whether to need to enable second
Camera carries out focusing：If it is little with the distance of the first camera or the affiliated terminal of second camera to be focused object
In predetermined threshold value, it is determined that need to enable second camera and focused；If being focused object and the first camera or second
The distance of the affiliated terminal of camera is more than predetermined threshold value, it is determined that is focused without enabling second camera, and determines needs
The first camera is enabled to be focused.
S204, when judging to need to enable second camera focusing, enables second camera and is focused.
S205, object is focused using being shot to defocused camera.
In the present invention implements example, if by step S202 and step S203, judgement needs to enable second camera pair
Jiao Shi, then enabling second camera to defocused, shot using second camera and be focused object, otherwise, still using step
The first camera that rapid S201 is enabled shoots and is focused object.
It should be noted that in the method taken pictures of use different focal camera of above-mentioned accompanying drawing 1 or the example of accompanying drawing 2
In, predetermined threshold value can be the maximum for being focused the camera of object distance first in imaging clearly for the first camera, i.e.,
The distance for being focused object and the first camera has exceeded the maximum, and the first camera imaging is just no longer clear.As this hair
Bright one embodiment, the predetermined threshold value can be 0.5 meter.
Accompanying drawing 3 is referred to, is the structure of terminal that use different focal camera that the embodiment of the present invention three is provided is taken pictures
Schematic diagram.For convenience of description, illustrate only the part related to the embodiment of the present invention.The use different focal of the example of accompanying drawing 3
The terminal that camera is taken pictures can be the executive agent of the method that the use different focal camera that previous embodiment is provided is taken pictures,
It can be a kind of terminal, for example, smart mobile phone, panel computer etc..What the use different focal camera of the example of accompanying drawing 3 was taken pictures
Terminal mainly enables module 301, the first judge module 302, second camera and enables module 303, first including the first camera
Camera 304 and second camera 305, each functional module describe in detail as follows：
First camera enables module 301, for before beginning of taking pictures, enabling the first camera 304 and being focused.
Typically, for the terminal with camera, its camera at least has digital focus function.So-called numeral is right
Jiao, is by the processor of terminal inner, each elemental area increase in photo, so as to reach amplification purpose.This hand
Method with image processing software as changed the area of photo greatly, but program is carried out in terminal, by original CCD image sensors
On a part of pixel amplified using interpolation processing means, so as to picture is amplified into whole picture.
In embodiments of the present invention, if the first camera has optical focusing function, module 301 is enabled in the first camera
When enabling the first camera and being focused, optical focusing can be used.If the first camera does not have optical focusing function, the
When one camera enables module 301 and enables the first camera and focused, can be focused using numeral.Ensureing imaging clearly
Under the premise of, the present invention is not intended to limit to the method focused.
First judge module 302, for the imaging effect focused according to the first camera 304, judges whether that needs are enabled
Second camera is focused, the focal length of the focal length less than the first camera 304 of second camera 305.
Second camera enables module 303, for when judging to need to enable the focusing of second camera 305, enabling second
Camera 305 is focused.
First camera 304 and second camera 305, for being focused object to defocused shooting.
In the present invention implements example, if judging to need to enable second camera 305 by the first judge module 302 focuses
When, then second camera enables module 303 and enables second camera 305 and carries out to defocused, and second camera 305 shoots and is focused
Object, otherwise, enables the first camera 304 that module 301 enables and shoots and be focused object using the first camera.
It should be noted that in the implementation method of terminal taken pictures of the use different focal camera of the example of the figures above 3,
The division of each functional module is merely illustrative of, in practical application can as needed, such as the configuration requirement of corresponding hardware or
The convenient consideration of the realization of person's software, and above-mentioned functions distribution is completed by different functional modules, will be described using different
The internal structure of the terminal that focal length camera is taken pictures is divided into different functional modules, to complete whole described above or portion
Divide function.And, in practical application, the corresponding functional module in the present embodiment can be realized by corresponding hardware, also may be used
Completed with performing corresponding software by corresponding hardware, for example, the first foregoing judge module, can have to perform foregoing
According to the imaging effect of the first camera focusing, judge whether to need to enable the hardware that second camera is focused, such as first
Determining device, or corresponding computer program is able to carry out so as to complete the general processor or other hardware of foregoing function
Equipment；Second camera as the aforementioned enables module again, can be execution described at the first judge module (or first determining device)
When judgement needs to enable second camera focusing, the hardware that second camera is focused is enabled, such as second camera is enabled
Device, or corresponding computer program is able to carry out so as to complete the general processor or other hardware devices of foregoing function
(each embodiment that this specification is provided can all apply foregoing description principle).
First judge module 302 of the example of accompanying drawing 3 can include the judging unit 402 of object distance computing unit 401 and second, such as
The terminal that the use different focal camera that the embodiment of the present invention four shown in accompanying drawing 4 is provided is taken pictures, wherein：
Object distance computing unit 401, for when the first camera 304 is focused during imaging clearly, calculating be focused object with
The distance of the first camera 304 or terminal belonging to second camera 305.
Due to the first camera and second camera at grade, therefore, be focused object and the first camera institute
Belong to the distance of terminal and to be focused object with the distance of the affiliated terminal of second camera be equal.In embodiments of the present invention,
The distance for being focused object and the first camera or the affiliated terminal of second camera is exactly the object distance of image processing field.According to
The relation of object distance, image distance and focal length is 1/u+1/v=1/f, wherein, u is object distance, and v is image distance, and f is focal length, in known image distance and
On the premise of focal length, object distance computing unit 401 can calculate object distance and be focused object to be taken the photograph with the first camera 304 or second
The distance of terminal as belonging to first 305.
Second judging unit 402, for the distance and the relation of predetermined threshold value that are calculated according to object distance computing unit 401, sentences
It is disconnected whether need to enable second camera 305 focused.
Second judging unit 402 of the example of accompanying drawing 4 can include the first determining unit 501 and the second determining unit 502, such as
The terminal that the use different focal camera that the embodiment of the present invention five shown in accompanying drawing 5 is provided is taken pictures, wherein：
First determining unit 501, if calculating gained for object distance computing unit 401 is focused object and the first camera
304 or the distance of terminal is not more than predetermined threshold value belonging to second camera 305, it is determined that need to enable second camera 305
Focused.
Second determining unit 503, if calculating gained for object distance computing unit 402 is focused object and the first camera
304 or terminal belonging to second camera 305 distance be more than predetermined threshold value, it is determined that enter without enabling second camera 305
Row focusing, and determine to need to enable the first camera 304 to be focused.
In the terminal that the use different focal camera of above-mentioned accompanying drawing 4 or the example of accompanying drawing 5 is taken pictures, predetermined threshold value can be
The maximum of the camera of object distance first is focused in imaging clearly for the first camera, that is, is focused object and is taken the photograph with first
As the distance of head has exceeded the maximum, the first camera imaging is just no longer clear.Used as one embodiment of the invention, this is preset
Threshold value can be 0.5 meter.
It should be noted that the content such as information exchange, implementation procedure between each module/unit of said apparatus, due to
The inventive method embodiment is based on same design, and the technique effect that it brings is identical with the inventive method embodiment, particular content
Reference can be made to the narration in the inventive method embodiment, here is omitted.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Unit and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function, but this realization can be realized it is not considered that exceeding using distinct methods to each specific application
The scope of the present invention.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, for example multiple units or component
Can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.It is another, it is shown or
The coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings of device or unit by some interfaces
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be according to the actual needs selected to realize the mesh of this embodiment scheme
's.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.
If the function is to realize in the form of SFU software functional unit and as independent production marketing or when using, can be with
Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (8)
1. a kind of method that use different focal camera is taken pictures, it is characterised in that methods described includes：
Before beginning of taking pictures, enable the first camera and focused；
According to the imaging effect of first camera focusing, judge whether to need to enable second camera and focused, it is described
Focal length of the focal length of second camera less than first camera；
When judging to need to enable second camera focusing, enable the second camera and focused；
Object is focused using being shot to defocused camera；
The imaging effect according to first camera focusing, judges whether to need to enable second camera and is focused,
Including：
In the first camera focusing during imaging clearly, calculating is focused object with first camera or second camera
The distance of affiliated terminal；
According to the relation of the distance and predetermined threshold value, judge whether to need to enable second camera and focused.
2. the method for claim 1, it is characterised in that described according to the distance and the relation of predetermined threshold value, judges
Whether need to enable second camera and focused, including：
If it is described be focused object be not more than with the distance of first camera or the affiliated terminal of second camera it is described pre-
If threshold value, it is determined that need to enable the second camera and focused；
If the object that is focused is default more than described with the distance of first camera or the affiliated terminal of second camera
Threshold value, it is determined that focused without enabling the second camera, and determine to need to enable first camera carry out it is right
It is burnt.
3. method as claimed in claim 1 or 2, it is characterised in that the predetermined threshold value is first camera in imaging
The maximum of the first camera described in object distance is focused when clear.
4. method as claimed in claim 3, it is characterised in that the predetermined threshold value is 0.5 meter.
5. the terminal that a kind of use different focal camera is taken pictures, it is characterised in that the terminal includes：
First camera enables module, for before beginning of taking pictures, enabling the first camera and being focused；
First judge module, for the imaging effect according to first camera focusing, judges whether to need to enable second and takes the photograph
As head is focused, the focal length of the focal length less than first camera of the second camera；
Second camera enables module, for when the first judge module judges to need to enable second camera focusing, enabling institute
Second camera is stated to be focused；
First camera and second camera, for being focused object to defocused shooting；
First judge module includes：
Object distance computing unit, in the first camera focusing, during imaging clearly, calculating is focused object and is taken the photograph with described first
As head or the distance of the affiliated terminal of second camera；
Second judging unit, for the distance and the relation of predetermined threshold value that are calculated according to the object distance computing unit, judges
Whether need to enable second camera and focused.
6. terminal as claimed in claim 5, it is characterised in that second judging unit includes：
First determining unit, if calculating be focused object with first camera described in gained for the object distance computing unit
Or the distance of the affiliated terminal of second camera is not more than the predetermined threshold value, it is determined that need to enable the second camera and
Row focusing；
Second determining unit, if calculating be focused object with first camera described in gained for the object distance computing unit
Or the distance of the affiliated terminal of second camera is more than the predetermined threshold value, it is determined that carried out without enabling the second camera
Focusing, and determine to need to enable first camera to be focused.
7. the terminal as described in claim 5 or 6, it is characterised in that the predetermined threshold value is first camera in imaging
The maximum of the first camera described in object distance is focused when clear.
8. terminal as claimed in claim 7, it is characterised in that the predetermined threshold value is 0.5 meter.
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| CN201410718842.0A CN104363379B (en) | 2014-11-28 | 2014-11-28 | The method and terminal taken pictures using different focal camera |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410718842.0A CN104363379B (en) | 2014-11-28 | 2014-11-28 | The method and terminal taken pictures using different focal camera |
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| CN104363379A CN104363379A (en) | 2015-02-18 |
| CN104363379B true CN104363379B (en) | 2017-06-06 |
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| WO2021000483A1 (en) | 2019-06-29 | 2021-01-07 | Qualcomm Incorporated | Automatic focus distance extension |
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| CN106990646A (en) * | 2016-01-20 | 2017-07-28 | 深圳富泰宏精密工业有限公司 | Many lens systems, its method of work and portable electron device |
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