CN106303258A - A kind of image pickup method based on dual camera and terminal - Google Patents
A kind of image pickup method based on dual camera and terminal Download PDFInfo
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- CN106303258A CN106303258A CN201610833445.7A CN201610833445A CN106303258A CN 106303258 A CN106303258 A CN 106303258A CN 201610833445 A CN201610833445 A CN 201610833445A CN 106303258 A CN106303258 A CN 106303258A
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 230000009977 dual effect Effects 0.000 title claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 30
- 238000005562 fading Methods 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 15
- 230000003321 amplification Effects 0.000 description 33
- 238000003199 nucleic acid amplification method Methods 0.000 description 33
- 210000003811 finger Anatomy 0.000 description 23
- 230000008569 process Effects 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 6
- 210000005224 forefinger Anatomy 0.000 description 5
- 210000003813 thumb Anatomy 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
Classifications
-
- 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
- H04N23/65—Control of camera operation in relation to power supply
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
-
- 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
- H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
Embodiments providing a kind of image pickup method based on dual camera and terminal, wherein, described method includes: in the case of the first photographic head starts, and monitors whether to get the first object operation of user's input；If monitoring the first object operation of user's input, then trigger and generate the first instruction starting second camera；Wherein, the focal length of described first photographic head is less than the focal length of described second camera, and the operation of described first object is that the image controlling the first photographic head shooting is amplified display, and the multiple amplified exceedes the operation of first threshold；According to described first instruction, start described second camera.The embodiment that the present invention provides, when getting the first instruction starting second camera, just starts second camera, owing to second camera runs the most always, so the embodiment of the present invention reduces power consumption, extends terminal standby time.
Description
Technical field
The present invention relates to field of terminal technology, be specifically related to a kind of image pickup method based on dual camera and terminal.
Background technology
Along with the fast development of electronic technology, the integrated function of the terminal such as mobile phone, panel computer gets more and more.Wherein, clap
Camera shooting function is the critical function of terminal, and in order to meet different shooting demands, increasing terminal is equipped with two photographic head,
Terminal two photographic head when taking pictures with two photographic head are all running, and this causes the power consumption of terminal relatively greatly, shortens
Stand-by time.
Summary of the invention
Embodiments provide a kind of image pickup method based on dual camera and terminal, power consumption can be reduced.
Embodiment of the present invention first aspect provides a kind of image pickup method based on dual camera, is applied to have two and takes the photograph
The terminal of picture head, including:
In the case of the first photographic head starts, monitor whether to get the first object operation of user's input；
If monitoring the first object operation of user's input, then trigger and generate the first instruction starting second camera；Its
In, the focal length of described first photographic head is taken the photograph for controlling first less than the focal length of described second camera, the operation of described first object
As the image of head shooting is amplified display, and the multiple amplified exceedes the operation of first threshold；
According to described first instruction, start described second camera.
Embodiment of the present invention second aspect provides a kind of terminal, including:
Monitoring means, in the case of starting at the first photographic head, monitors whether to get the first mesh of user's input
Mark operation；
Processing unit, if for the first object operation monitoring user's input, then triggers generation and starts second camera
First instruction；Wherein, the focal length of described first photographic head operates less than the focal length of described second camera, described first object
It is amplified display for controlling the image of the first photographic head shooting, and the multiple amplified exceedes the operation of first threshold；
Start unit, for described first instruction generated according to described processing unit, starts described second camera.
Implement the embodiment of the present invention, have the advantages that the embodiment that the present invention provides is getting startup second
When the first of photographic head instructs, just start second camera, owing to second camera runs the most always, so the present invention is real
Execute example and reduce power consumption, extend terminal standby time.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be some embodiments of the present invention, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 is the schematic flow sheet of a kind of based on dual camera the image pickup method that the embodiment of the present invention provides；
Fig. 2 is the schematic flow sheet of the another kind image pickup method based on dual camera that the embodiment of the present invention provides；
Fig. 3 is the schematic flow sheet of the another kind image pickup method based on dual camera that the embodiment of the present invention provides；
Fig. 4 is the structural representation of a kind of terminal that the embodiment of the present invention provides；
Fig. 5 is the structural representation of the another kind of terminal that the embodiment of the present invention provides；
Fig. 6 is the structural representation of the another kind of terminal that the embodiment of the present invention provides；
Fig. 7 is the structural representation of the another kind of terminal that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
Terminal described by the embodiment of the present invention can include smart mobile phone (as Android phone, iOS mobile phone,
Windows Phone mobile phone etc.), panel computer, palm PC, notebook computer, mobile internet device (MID, Mobile
Internet Devices) or Wearable etc., above-mentioned terminal is only citing, and non exhaustive, including but not limited to above-mentioned end
End.
Refer to Fig. 1, the schematic flow sheet of a kind of based on dual camera image pickup method provided for the embodiment of the present invention,
Described method for having the terminal of two photographic head, the first photographic head and second camera can be all front-facing camera or
Being all post-positioned pick-up head, and the first photographic head is parallel with the optical axis of second camera, adjacent installation is in the terminal.Shown in Fig. 1
Image pickup method based on dual camera, may comprise steps of:
101, in the case of the first photographic head starts, monitor whether to get the first object operation of user's input.
User input operation can be to first photographic head obtain in display screen display image be amplified or
The operation that person reduces.
Specifically, user can perform input operation by finger mobile on the display interface of terminal, such as can lead to
Cross the distance between mobile forefinger and thumb to realize the image of display in display screen of the first photographic head acquisition is carried out
Zoom in or out.May be appreciated, it is also possible in the display interface of terminal arrange zoom in or out image virtual by
Key, is zoomed in or out to the image of display in display screen obtained by operation virtual key.It is of course also possible to
By be arranged on the physical button at the surface of terminal, side or the back side realize to first photographic head obtain at display screen
The image of middle display zooms in or out.
Wherein, the image of display in display interface that first terminal is obtained by first object operation for instruction is put
Greatly, and amplification for preset amplification.For example, default amplification can be 2 times, 3 times or 5 times etc., if in advance
If amplification is 2 times, then first object operation is that the image that first terminal obtains is amplified twice by instruction, it is possible to understand that
, after amplification, it is achieved that the partial enlargement to the image that the first photographic head obtains, in display interface, the content of display tails off
, only include a part for image before amplification, can be so that the scene of shooting diminishes.
If the 102 first object operations monitoring user's input, then trigger and generate the first finger starting second camera
Order.
Wherein, the focal length of described first photographic head less than the focal length of described second camera, the operation of described first object is
The image controlling the first photographic head shooting is amplified display, and the multiple amplified exceedes the operation of first threshold.
For example, if the focal length of second camera is the twice of the first photographic head focal length, then first object operation is permissible
For performing to amplify the operation of 2 times, naturally it is also possible to by first object operating and setting for performing to amplify 1.5 times, 3 times, 4 times or 5
Wait amplifieroperation again.As a example by first object operation amplifies the operation of 2 times for execution, if monitoring the amplification twice of user's input
Operation, then trigger generate start second camera first instruction
103, according to described first instruction, described second camera is started.
Further, after starting second camera, the image in display interface can switch to described second take the photograph
The image obtained as head.
It can be seen that the embodiment that the present invention provides is when getting the first instruction starting second camera, just start
Second camera, owing to second camera runs the most always, so the embodiment of the present invention reduces power consumption, extends terminal
Stand-by time.
Optionally, in some possible embodiments of the present invention, after second camera starts and by terminal
Before image in display interface switches to the image that described second camera obtains, described method can also include:
In the way of fading out, the image that described first photographic head obtains is shown in display interface, and in the way of fading in
Show the image that described second camera obtains.Image switching so can be made more natural.
For example, if the image that the first photographic head obtains is I1(x, y), the image that second camera obtains is I2(x,
Y), in image handoff procedure, in display interface, the image of display is Iw(x, y), then Iw(x, y)=I2(x,y)*w+I1(x,y)*
(1-w), wherein, w is the weighted value being gradually increased in time, is gradually increased to 1 etc. from 0 within such as may be set in 1 second, this
Sample, the image I that in display interface, the image of display will be obtained by the first photographic head in handoff procedure1(x y) is gradually transitions
The image I that second camera obtains2(x,y)。
In the way of fading out, show the image of the first photographic head and in the way of fading in, show the shooting of second camera
Image, improve picture switching continuity.
The flow process referring to the another kind image pickup method based on dual camera that Fig. 2, Fig. 2 provide for the embodiment of the present invention is shown
Being intended to, described method is for having the terminal of two photographic head, and the first photographic head and second camera can be all preposition shootings
Head or be all post-positioned pick-up head, and the first photographic head is parallel with the optical axis of second camera, and adjacent installation is in the terminal.Fig. 2
Shown image pickup method based on dual camera, may comprise steps of:
201, in the case of the first photographic head starts, monitor whether to get the first object operation of user's input.
User input operation can be to first photographic head obtain in display screen display image be amplified or
The operation that person reduces
Specifically, user can perform input operation by finger mobile on the display interface of terminal, such as can lead to
Cross the distance between mobile forefinger and thumb to realize the image of display in display screen of the first photographic head acquisition is carried out
Zoom in or out.May be appreciated, it is also possible in the display interface of terminal arrange zoom in or out image virtual by
Key, is zoomed in or out to the image of display in display screen obtained by operation virtual key.It is of course also possible to
By be arranged on the physical button at the surface of terminal, side or the back side realize to first photographic head obtain at display screen
The image of middle display zooms in or out.
Wherein, the image of display in display interface that first terminal is obtained by first object operation for instruction is put
Greatly, and amplification for preset amplification.For example, default amplification can be 2 times, 3 times or 5 times etc., if in advance
If amplification is 2 times, then first object operation is that the image that first terminal obtains is amplified twice by instruction, it is possible to understand that
, after amplification, it is achieved that the partial enlargement to the image that the first photographic head obtains, in display interface, the content of display tails off
, only include a part for image before amplification.
If the 202 first object operations monitoring user's input, then trigger and generate the first finger starting second camera
Order.
Wherein, the focal length of described first photographic head less than the focal length of described second camera, the operation of described first object is
The image controlling the first photographic head shooting is amplified display, and the multiple amplified exceedes the operation of first threshold.
For example, if the focal length of second camera is the twice of the first photographic head focal length, then first object operation is permissible
For performing to amplify the operation of 2 times, naturally it is also possible to by first object operating and setting for performing to amplify 1.5 times, 3 times, 4 times or 5
Wait amplifieroperation again.Perform as a example by the operation of amplification 2 times by first object operation, if monitor the amplification twice of user's input
Operation, then trigger and generate the first instruction starting second camera.
203, according to described first instruction, described second camera is started.
204, the image in display interface is switched to the image that described second camera obtains.
Optionally, in some possible embodiments of the present invention, second camera start after and boundary will be shown
Before image in face switches to the image that described second camera obtains, described method can also include:
In the way of fading out, the image that described first photographic head obtains is shown in display interface, and in the way of fading in
Show the image that described second camera obtains.Image switching so can be made more natural.
For example, if the image that the first photographic head obtains is I1(x, y), the image that second camera obtains is I2(x,
Y), in image handoff procedure, in display interface, the image of display is Iw(x, y), then Iw(x, y)=I2(x,y)*w+I1(x,y)*
(1-w), wherein, w is the weighted value being gradually increased in time, is gradually increased to 1 etc. from 0 within such as may be set in 1 second, this
Sample, the image I that in display interface, the image of display will be obtained by the first photographic head in handoff procedure1(x y) is gradually transitions
The image I that second camera obtains2(x,y)。
In the way of fading out, show the image of the first photographic head and in the way of fading in, show what second camera shot
Image, improves the continuity of picture switching.
There is parallax during due to two photographic head shootings, the image of acquisition there may be position hopping problem, even if fading in
Fade out and can not cover completely, and the display effect being fade-in fade-out may be affected, additionally in the mistake of two photographic head assemblings
Also likely to be present mechanical assembly error in journey, the product optical axis causing actual production to go out is inconsistent, and this will cause image to produce partially
Difference, therefore, in some possible embodiments of the present invention, at the figure showing described first photographic head shooting in the way of fading out
As and before showing the image that described second camera obtains in the way of fading in, described method can also include, to first
The image that the image that photographic head obtains obtains with second camera carries out image registration setting, and image registration is to be made by piece image
For reference picture, another piece image is as image subject to registration；Such as, the image that can be obtained by the first photographic head is as with reference to figure
Picture, two width images, as image subject to registration, are then carried out mating, superposition by the image obtained by second camera.Specifically may be used
To complete two width images by feature extraction, characteristic matching, transformation model with the step such as parameter estimation and image conversion
Registration, after registration, the plyability of two width pictures is more preferable.For example, can first extract characteristic point, then carry out the operations such as alignment,
Such as the central point of two width pictures can be alignd by displacement, two width pictures can be made to have seen after stacking up by registration
Coming more natural, such handoff procedure seems more to link up.
205, monitor whether to get the second object run of user's input.
Wherein, the second object run is that the reference object controlled in display interface carries out reducing display and minification surpasses
Cross the operation of Second Threshold.
Second object run can be the input operation that user passes through that mobile finger performs on the display interface of terminal, than
As being the display in display screen second camera obtained by moving the distance between forefinger and thumb to realize
Image carry out reducing the operation of preset multiple.May be appreciated, it is also possible to arrange in the display interface of terminal amplification or
The virtual key of downscaled images, reduces aobvious by operation virtual key to the image of display in display screen obtained
Show.It is of course also possible to realize the first photographic head by being arranged on the physical button at the surface of terminal, side or the back side
The image of display in display screen obtained carries out reduction operation.If preset minification be 1 times, with reduce two fingers it
Between distance as a example by, user by display interface slide two fingers, come picture according to the distance between two fingers
Zoom in and out, such as, if the distance between finger reduces one times, then picture is reduced into the half of artwork, for example, if two
Finger distance before the movement is 4 centimetres, if the distance between mobile latter two finger of finger is less than 2 centimetres, then and user couple
Picture in display interface carries out the minification of reduction operation and is more than default minification, then terminal gets the second instruction.
Minification corresponding to the second object run can also is that and reduce 2 times, 3 times or 5 times etc., will be in display interface
Image down 2 times, 3 times or 5 times etc. of second camera shooting.It is understood that after reducing, show in display interface
Image in the content of display become many, can be so that the scene of shooting becomes big.
If 206 the second object runs monitoring user's input, then trigger to generate being switched to by the image in display interface
Second instruction of the image that described first photographic head obtains.
It is possible to further the image in display interface to be switched to the image that described first photographic head obtains.
In display interface, in the way of fading out, described is shown it can be seen that the scheme of the embodiment of the present invention has expanded
The image that one photographic head obtains, and in the way of fading in, show the image that described second camera obtains.So can make figure
As switching is more natural.It addition, when obtaining the second object run, trigger to generate that the image in display interface is switched to first
The instruction of the image that photographic head obtains so that the present embodiment can switch the first shooting having in dual camera terminal neatly
Head and second is photographic head.
Optionally, in some possible embodiments of the present invention, obtaining the second instruction, by the image in display interface
After switching to the image that the first photographic head obtains, second camera can be closed.So be conducive to reducing power consumption further, prolong
Long terminal standby time.
The flow process referring to the another kind image pickup method based on dual camera that Fig. 3 Fig. 3 provides for the embodiment of the present invention is shown
Being intended to, described method is for having the terminal of two photographic head, and the first photographic head and second camera can be all preposition shootings
Head or be all post-positioned pick-up head, and the first photographic head is parallel with the optical axis of second camera, and adjacent installation is in the terminal.Fig. 3
Shown image pickup method based on dual camera, may comprise steps of:
301, in the case of the first photographic head starts, monitor whether to get the first object operation of user's input.
User input operation can be to first photographic head obtain in display screen display image be amplified or
The operation that person reduces
Specifically, user can perform input operation by finger mobile on the display interface of terminal, such as can lead to
Cross the distance between mobile forefinger and thumb to realize the image of display in display screen of the first photographic head acquisition is carried out
Zoom in or out.May be appreciated, it is also possible in the display interface of terminal arrange zoom in or out image virtual by
Key, is zoomed in or out to the image of display in display screen obtained by operation virtual key.It is of course also possible to
By be arranged on the physical button at the surface of terminal, side or the back side realize to first photographic head obtain at display screen
The image of middle display zooms in or out.
Wherein, the image of display in display interface that first terminal is obtained by first object operation for instruction is put
Greatly, and amplification for preset amplification.For example, default amplification can be 2 times, 3 times or 5 times etc., if in advance
If amplification is 2 times, then first object operation is that the image that first terminal obtains is amplified twice by instruction, it is possible to understand that
, after amplification, it is achieved that the partial enlargement to the image that the first photographic head obtains, in display interface, the content of display tails off
, only include a part for image before amplification.
If the 302 first object operations monitoring user's input, then trigger and generate the first finger starting second camera
Order.
Wherein, the focal length of described first photographic head less than the focal length of described second camera, the operation of described first object is
The image controlling the first photographic head shooting is amplified display, and the multiple amplified exceedes the operation of first threshold.
For example, if the focal length of second camera is the twice of the first photographic head focal length, then first object operation is permissible
For performing to amplify the operation of 2 times, naturally it is also possible to be carried out amplifying the amplifieroperations such as 1.5 times, 2.3 times, 2 times, 3 times or 4 times.
Performing as a example by the operation of amplification 2 times by first object operation, if monitoring the operation of the amplification twice of user's input, then triggering life
Become start second camera first instruction.
303, according to described first instruction, described second camera is started.
304, the image obtained described first photographic head according to the operation of described first object is amplified, and on display circle
Face shows.
For example, if first object operates as to be amplified the image in display interface, and twice is amplified, such as,
Two fingers can be used to move in display interface, by the way of changing the distance between two fingers, picture is contracted
Put, be twice if the distance between finger expands, then picture is enlarged into 2 times of artwork, if the distance that two fingers are before the movement
Being 2 centimetres, if the distance between mobile latter two finger of finger is to 5 centimetres, i.e. more than 4 centimetres, then user is in display interface
Picture be amplified operation amplification more than preset amplification, then trigger start second camera, owing to second takes the photograph
As head completes to need a period of time, in order to make to show in display interface in second camera start-up course from starting to start to startup
Image more coherent, before second camera has started, in display interface display image include the first photographic head
The image obtained, and the image obtained the first photographic head according to touch control operation progressively amplifies, if between than two fingers
Distance is moved to 5 by 2, then can progressively be amplified to the image that the first photographic head obtains 2.5 times and show in display interface,
The picture of display in display interface is so conducive to seem more smooth.
305, after second camera has started, described second camera is switched to obtain the image in display interface
The image taken.
306, monitor whether to get the second object run of user's input.
Wherein, the second object run is that the reference object controlled in display interface carries out reducing display and minification surpasses
Cross the operation of Second Threshold.
For example, the minification that the second object run is corresponding can be to reduce 1 times, 2 times, 3 times or 5 times etc., i.e.
By the image down 1 times of second camera shooting in display interface, 2 times, 3 times, 5 times etc..It is understood that after reducing,
In display interface, in the image of display, the content of display becomes many.
If 307 the second object runs monitoring user's input, then trigger to generate being switched to by the image in display interface
Second instruction of the image that described first photographic head obtains.
If the second object run is the image down 1 times obtained by second camera, then when getting the second object run
Time, trigger the second instruction generating the image that the image in display interface switches to the first photographic head obtain.
Further, the image in display interface is switched to the image that described first photographic head obtains.
It can be seen that the scheme of the embodiment of the present invention expands, when obtaining the second object run, trigger and generate display
Image in interface switches to the step of instruction of the image that the first photographic head obtains, and the present embodiment can switch neatly and has
The first photographic head and second in dual camera terminal is photographic head.
Optionally, in some possible embodiments of the present invention, obtaining the second instruction, by the image in display interface
After switching to the image that the first photographic head obtains, second camera can be closed.So be conducive to reducing power consumption further, prolong
Long terminal standby time.
Refer to the structural representation of a kind of terminal that Fig. 4, Fig. 4 provide for the embodiment of the present invention.Terminal 400 can be wrapped
Include: monitoring means 401, processing unit 402 and start unit 403.
Wherein, monitoring means 401, in the case of starting at the first photographic head, monitor whether to get user's input
First object operation.
User input operation can be to first photographic head obtain in display screen display image be amplified or
The operation that person reduces
Specifically, user can perform input operation by finger mobile on the display interface of terminal, such as can lead to
Cross the distance between mobile forefinger and thumb to realize the image of display in display screen of the first photographic head acquisition is carried out
Zoom in or out.May be appreciated, it is also possible in the display interface of terminal arrange zoom in or out image virtual by
Key, is zoomed in or out to the image of display in display screen obtained by operation virtual key.It is of course also possible to
By be arranged on the physical button at the surface of terminal, side or the back side realize to first photographic head obtain at display screen
The image of middle display zooms in or out.
Wherein, the image of display in display interface that first terminal is obtained by first object operation for instruction is put
Greatly, and amplification for preset amplification.For example, default amplification can be 2 times, 3 times or 5 times etc., if in advance
If amplification is 2 times, then first object operation is that the image that first terminal obtains is amplified twice by instruction, it is possible to understand that
, after amplification, it is achieved that the partial enlargement to the image that the first photographic head obtains, in display interface, the content of display tails off
, only include a part for image before amplification, can be so that the scene of shooting diminishes.
Processing unit 402, if for the first object operation monitoring user's input, then triggers generation and starts the second shooting
First instruction of head；Wherein, the focal length of described first photographic head is grasped less than the focal length of described second camera, described first object
It is amplified display as the image controlling the first photographic head shooting, and the multiple amplified exceedes the operation of first threshold.
For example, if the focal length of second camera is the twice of the first photographic head focal length, then first object operation is permissible
For performing to amplify the operation of 2 times, naturally it is also possible to by first object operating and setting for performing to amplify 1.5 times, 3 times, 4 times or 5
Wait amplifieroperation again.As a example by first object operation amplifies the operation of 2 times for execution, if monitoring the amplification twice of user's input
Operation, then trigger generate start second camera first instruction.
Start unit 403, for described first instruction generated according to described processing unit, starts described second shooting
Head.
Further, in the optional embodiment of the present invention, terminal can also include switch unit, as it is shown in figure 5, eventually
End 500, in addition to including monitoring means 501 corresponding with Fig. 4, processing unit 502 and start unit 503, terminal 500 also may be used
To include switch unit 504.Wherein, switch unit 504 is for having started described second camera at described start unit
After, the image in display interface is switched to the image that described second camera obtains.
It can be seen that the embodiment that the present invention provides is when getting the first instruction starting second camera, just start
Second camera, owing to second camera runs the most always, so the embodiment of the present invention reduces power consumption, extends terminal
Stand-by time.
Further, in the optional embodiment of the present invention, terminal can also include zoom unit, as shown in Figure 6, eventually
End 600, except include monitoring means 601 corresponding with Fig. 5, processing unit 602, start unit 603 and switch unit 604 with
Outward, terminal 600 can also include zoom unit 605.Zoom unit 605, for imaging described second at described start unit
After head starts and described switch unit the image in display interface is switched to image that described second camera obtains it
Before, it is amplified according to the image that described first photographic head is obtained by described touch control operation, and shows in display interface,
The picture of display in display interface is so conducive to seem more smooth..
Optionally, in some possible embodiments of the present invention, monitoring means 601 is additionally operable to, at described switch unit
After 604 images switching to second camera to obtain the image in display interface, monitor whether to get user's input
Second object run, the second object run is that the reference object controlled in display interface carries out reducing display and minification surpasses
Cross the operation of Second Threshold.
Processing unit 602 is additionally operable to, if described monitoring means monitors described second object run of user's input, then touches
Become the second instruction of the image that the image in display interface switches to described first photographic head obtain.
Switch unit 604 is additionally operable to, and described second instruction generated according to described processing unit, by the figure in display interface
As the image switching to described first photographic head to obtain.
Optionally, in some possible embodiments of the present invention, described switch unit 604 is additionally operable to, at start unit
603 by described second camera start after and described switch unit the image in display interface is switched to described second
Photographic head obtain image before, show in the way of fading out in display interface described first photographic head obtain image, with
And in the way of fading in, show the image that described second camera obtains.
For example, if the image that the first photographic head obtains is I1(x, y), the image that second camera obtains is I2(x,
Y), in image handoff procedure, in display interface, the image of display is Iw(x, y), then Iw(x, y)=I2(x,y)*w+I1(x,y)*
(1-w), wherein, w is the weighted value being gradually increased in time, is gradually increased to 1 etc. from 0 within such as may be set in 1 second, this
Sample, the image I that in display interface, the image of display will be obtained by the first photographic head in handoff procedure1(x y) is gradually transitions
The image I that second camera obtains2(x,y)。
There is the time difference during due to two photographic head shootings, the image of acquisition there may be position hopping problem, even if fading in
Fade out and can not cover completely, and the display effect being fade-in fade-out may be affected, additionally in the mistake of two photographic head assemblings
Being likely in journey can be in mechanical assembly error, and the product optical axis causing actual production to go out is difficult to consistent, and this will cause image to produce
Deviation, therefore, in some possible embodiments of the present invention, switch unit 604 is showing described first in the way of fading out
The image of photographic head shooting and before showing the image that described second camera obtains in the way of fading in, is additionally operable to the
The image that the image that one photographic head obtains obtains with second camera carries out image registration setting, and wherein, image registration is by one
Width image is as reference picture, and another piece image is as image subject to registration；Such as, the image that the first photographic head obtains can be made
For reference picture, two width images as image subject to registration, are then carried out mating, superposition by the image obtained by second camera
Process.Specifically can be come with steps such as parameter estimation and image conversion by feature extraction, characteristic matching, transformation model
Becoming the registration of two width images, after registration, the plyability of two width pictures is more preferable.For example, can first extract characteristic point, then enter
Row alignment etc. operate, and such as can be alignd by the central point of two width pictures by displacement, two width pictures can be made to fold by registration
Seeming more natural after adding up, such handoff procedure seems more to link up.
Referring to Fig. 7, Fig. 7 is the structural representation of a kind of terminal disclosed in the embodiment of the present invention.Wherein, terminal 700 can
Including: 701, at least 1 processor 702 of two photographic head, memorizer 703, user interface 704 and at least 1 communication bus
705.Wherein, two photographic head 701 include the first photographic head and second camera, and the focal length of the first photographic head is less than the second shooting
The focal length of head, the first photographic head and second camera can be all front-facing camera or be all post-positioned pick-up head, and first takes the photograph
As head is parallel with the optical axis of second camera, adjacent installation is in the terminal.Communication bus 705 is for realizing between these assemblies
Connect communication.User interface 704 can be the display screen of terminal, and user can come picture by moving finger on a display screen
Zoom in or out.
Memorizer 703 can include read only memory and random access memory, may be used for the fingerprint number that storage is preset
According to, and be used for storing program code and providing instruction and data to processor 702.
In an embodiment of the present invention, by calling program code or the instruction of memorizer 703 storage, processor 702 is used
In:
In the case of the first photographic head starts, monitor whether to get the first object operation of user's input；
If monitoring the first object operation of user's input, then trigger and generate the first instruction starting second camera；Its
In, the focal length of described first photographic head is taken the photograph for controlling first less than the focal length of described second camera, the operation of described first object
As the image of head shooting is amplified display, and the multiple amplified exceedes the operation of first threshold；
According to described first instruction, start described second camera.
Optionally, in some possible embodiments of the present invention, after the described second camera of described startup, process
Device 702 is additionally operable to: the image in display interface switches to the image that described second camera obtains.
Optionally, in some possible embodiments of the present invention, after the described second camera of described startup, process
Device 702 is additionally operable to: after the described image switching to described second camera to obtain the image in display interface, monitoring is
No the second object run getting user's input, described second object run is that the reference object controlled in display interface is carried out
Reduce display and minification exceedes the operation of Second Threshold；
If monitoring the second object run of user's input, then trigger generation and the image in display interface is switched to described
Second instruction of the image that the first photographic head obtains；
According to described second instruction, the image in display interface is switched to the image that described first photographic head obtains.
Optionally, in some possible embodiments of the present invention, after described second camera starts and by aobvious
Before showing that the image in interface switches to the image that described second camera obtains, described processor 702 is additionally operable to according to touch-control
Operate the image that the first photographic head is obtained to be amplified, and show in display interface.
It can be seen that the embodiment that the present invention provides is when getting the first instruction starting second camera, just start
Second camera, owing to second camera runs the most always, so the embodiment of the present invention reduces power consumption, extends terminal
Stand-by time.
In implementing, two photographic head 701 described in the embodiment of the present invention, processor 702, memorizer 703, use
Family interface 704 and communication bus 705.The reality of a kind of based on dual camera the image pickup method that the embodiment of the present invention provides can be performed
Execute the implementation described in example, it is possible to perform the end described in the embodiment of a kind of terminal that the embodiment of the present invention provides
The implementation of end, does not repeats them here.
Unit in all embodiments of the invention, can pass through universal integrated circuit, such as CPU (Central
Processing Unit, central processing unit), or by ASIC (Application Specific Integrated
Circuit, special IC) realize.
Step in embodiment of the present invention method can carry out order according to actual needs and adjust, merges and delete.
Unit in embodiment of the present invention terminal can merge according to actual needs, divides and delete.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, be permissible
Instructing relevant hardware by computer program to complete, described program can be stored in a computer read/write memory medium
In, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only store-memory body (Read-Only Memory, ROM) or random access memory (Random Access
Memory, is called for short RAM) etc..
Method and the terminal of a kind of image procossing provided the embodiment of the present invention above are described in detail, herein
In apply specific case principle and the embodiment of the present invention be set forth, the explanation of above example is only intended to side
Assistant solves method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the think of of the present invention
Thinking, the most all will change, in sum, it is right that this specification content should not be construed as
The restriction of the present invention.
Claims (10)
1. an image pickup method based on dual camera, it is characterised in that be applied to the terminal with two photographic head, described side
Method includes:
In the case of the first photographic head starts, monitor whether to get the first object operation of user's input；
If monitoring the first object operation of user's input, then trigger and generate the first instruction starting second camera；Wherein, institute
Stating the focal length focal length less than described second camera of the first photographic head, the operation of described first object is clapped for controlling the first photographic head
The image taken the photograph is amplified display, and the multiple amplified exceedes the operation of first threshold；
According to described first instruction, start described second camera.
Method the most according to claim 1, it is characterised in that after the described second camera of described startup, described side
Method also includes:
Image in display interface is switched to the image that described second camera obtains.
Method the most according to claim 2, it is characterised in that the image in display interface switched to described described
After the image that two photographic head obtain, described method also includes:
Monitoring whether to get the second object run of user's input, described second object run is to control the bat in display interface
Take the photograph object and carry out reducing display and minification exceedes the operation of Second Threshold；
If monitoring the second object run of user's input, then trigger to generate that the image in display interface is switched to described first
Second instruction of the image that photographic head obtains；
According to described second instruction, the image in display interface is switched to the image that described first photographic head obtains.
Method the most according to claim 2, it is characterised in that
Described second camera is switched to obtain after described second camera starts and by the image in display interface
Before image, described method also includes:
It is amplified according to the image that described first photographic head is obtained by described touch control operation, and demonstrates in display interface
Come.
5. according to the method described in claim 2 to 4 any one, it is characterised in that
Described second camera is switched to obtain after described second camera starts and by the image in display interface
Before image, described method also includes:
In display interface, in the way of fading out, show the image that described first photographic head obtains, and show in the way of fading in
The image that described second camera obtains.
6. a terminal, it is characterised in that described terminal has two photographic head, described terminal also includes:
Monitoring means, in the case of starting at the first photographic head, monitors whether to get the first object behaviour of user's input
Make；
Processing unit, if for the first object operation monitoring user's input, then triggers to generate and starts the of second camera
One instruction；Wherein, the focal length of described first photographic head is less than the focal length of described second camera, and the operation of described first object is control
The image making the first photographic head shooting is amplified display, and the multiple amplified exceedes the operation of first threshold；
Start unit, for described first instruction generated according to described processing unit, starts described second camera.
Terminal the most according to claim 6, it is characterised in that described terminal also includes:
Switch unit, for after described second camera has been started by described start unit, by the image in display interface
Switch to the image that described second camera obtains.
Terminal the most according to claim 7, it is characterised in that
Described monitoring means is additionally operable to, and switches to described second camera to obtain the image in display interface at described switch unit
After the image taken, monitoring whether to get the second object run of user's input, described second object run is for controlling display
Reference object in interface carries out reducing display and minification exceedes the operation of Second Threshold；
Described processing unit is additionally operable to, if described monitoring means monitors described second object run of user's input, then triggers
Generate the second instruction of the image that the image in display interface switches to described first photographic head obtain；
Described switch unit is additionally operable to, and described second instruction generated according to described processing unit, by the image in display interface
Switch to the image that described first photographic head obtains.
Terminal the most according to claim 7, it is characterised in that described terminal also includes,
Zoom unit, is used for after described second camera is started by described start unit and described switch unit will be aobvious
Before showing that the image in interface switches to the image that described second camera obtains, take the photograph described first according to described touch control operation
The image obtained as head is amplified, and shows in display interface.
10. according to the terminal described in claim 7 to 9 any one, it is characterised in that
Described switch unit is additionally operable to, after described second camera is started by described start unit and described switching is single
Before the image that image in display interface is switched to described second camera to obtain by unit, with the side faded out in display interface
Formula shows the image of described first photographic head acquisition and shows the image that described second camera obtains in the way of fading in.
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| CN201610833445.7A CN106303258A (en) | 2016-09-19 | 2016-09-19 | A kind of image pickup method based on dual camera and terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833445.7A CN106303258A (en) | 2016-09-19 | 2016-09-19 | A kind of image pickup method based on dual camera and terminal |
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