CN107277371A - A kind of method and device in mobile terminal amplification picture region - Google Patents
A kind of method and device in mobile terminal amplification picture region Download PDFInfo
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- CN107277371A CN107277371A CN201710626136.7A CN201710626136A CN107277371A CN 107277371 A CN107277371 A CN 107277371A CN 201710626136 A CN201710626136 A CN 201710626136A CN 107277371 A CN107277371 A CN 107277371A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/95—Computational photography systems, e.g. light-field imaging systems
- H04N23/951—Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
Abstract
The invention discloses a kind of method and device in mobile terminal amplification picture region, belong to the communications field.Methods described includes：The camera of mobile terminal first gathers the first picture, second camera collection second picture；First camera and the second camera are located on the same face of the mobile terminal, the shooting wide-angle of first camera is more than the shooting wide-angle of the second camera, and the shooting focal length of first camera is less than the shooting focal length of the second camera；The first picture is shown on a display screen；When receiving selection region instruction, the selection region is obtained from first picture and instructs corresponding first picture region to be amplified；Second picture region is determined in second picture, the picture material that first picture region includes is identical with the picture material that the second picture region includes；Show the second picture region.The present invention can provide the user with clearly picture material.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of method and device in mobile terminal amplification picture region.
Background technology
At present when the wide-angle of the camera of shooting picture is larger, the subject image that the picture of shooting includes is more, often
The area of subject image is smaller, and user may not see subject image in display, now be accomplished by putting subject image
Greatly.
At present, when user needs to be amplified some subject image, acquisition includes the rectangular area of the subject image,
Length and width to the rectangular area are amplified, and to realize the subject image amplified in the rectangular area, amplification is then shown again
Rectangular area afterwards is to user.
During the present invention is realized, inventor has found that prior art at least has problems with：
Length and width to the rectangular area are amplified, and can make the definition reduction of the subject image in the rectangular area,
The picture material provided the user with is unintelligible.
The content of the invention
In order to provide the user with clearly picture material, the invention provides a kind of side in mobile terminal amplification picture region
Method and device.The technical scheme is as follows：
First aspect includes there is provided a kind of method in mobile terminal amplification picture region, methods described：
The camera of mobile terminal first gathers the first picture, second camera collection second picture；First camera
On the same face for being located at the mobile terminal with the second camera, the shooting wide-angle of first camera is more than described
The shooting wide-angle of second camera, the shooting focal length of first camera is less than the shooting focal length of the second camera；
The first picture is shown on a display screen；
When receiving selection region instruction, obtain that selection region instruction is corresponding to be waited to put from first picture
The first big picture region；
Second picture region, the picture material and described second that first picture region includes are determined in second picture
The picture material that picture region includes is identical；
Show the second picture region.
It is described to obtain the selection region from first picture in a kind of possible implementation of first aspect
Corresponding first picture region to be amplified is instructed, including：
Obtain selection region instruction corresponding position on first picture；
Determine the subject image where the position；
Acquisition includes the first picture region of the subject image.
It is described that second picture region, bag are determined in second picture in a kind of possible implementation of first aspect
Include：
Obtain the first characteristics of image of the picture material that first picture region includes；
Second characteristics of image of each picture material that the second picture obtained includes；
Determined and described first image feature the second characteristics of image of identical from the second picture；
The second figure of the corresponding picture material of the second characteristics of image for including the determination is obtained from the second picture
Panel region.
It is described that second picture region, bag are determined in second picture in a kind of possible implementation of first aspect
Include：
The boundary coordinate of first picture region is obtained from first picture；
According to the boundary coordinate of first picture region, first picture region is obtained by default transformation model
The boundary coordinate in corresponding second picture region in the second picture；
According to the boundary coordinate in the second picture region, the second picture region is extracted from the second picture.
In a kind of possible implementation of first aspect, the display second picture region, including：
Suspend display window on first picture, the shape and area of the window respectively with the second picture area
The shape in domain is identical with area；
The second picture region is shown in the window.
Second aspect includes there is provided a kind of device in mobile terminal amplification picture region, described device：
Acquisition module, for gathering the first picture by the camera of mobile terminal first, second camera gathers the second figure
Piece；First camera and the second camera are located on the same face of the mobile terminal, first camera
Shoot the shooting wide-angle that wide-angle is more than the second camera, the shooting focal length of first camera takes the photograph less than described second
As the shooting focal length of head；
First display module, for showing the first picture on a display screen；
Acquisition module, for when receiving selection region instruction, the selection region to be obtained from first picture
Instruct corresponding first picture region to be amplified；
Determining module, for determining second picture region, the image that first picture region includes in second picture
Content is identical with the picture material that the second picture region includes；
Second display module, for showing the second picture region.
In a kind of possible implementation of second aspect, the acquisition module includes：
First acquisition unit, for obtaining selection region instruction corresponding position on first picture；
First determining unit, for determining the subject image where the position；
Second acquisition unit, includes the first picture region of the subject image for obtaining.
In a kind of possible implementation of second aspect, the determining module includes：
3rd acquiring unit, the first characteristics of image for obtaining the picture material that first picture region includes；
4th acquiring unit, the second characteristics of image of each picture material that the second picture for acquisition includes；
Second determining unit, for being determined and described first image feature the second image of identical from the second picture
Feature；
5th acquiring unit, the second characteristics of image that the determination is included for being obtained from the second picture is corresponding
The second picture region of picture material.
In a kind of possible implementation of second aspect, the determining module includes：
6th acquiring unit, the boundary coordinate for obtaining first picture region from first picture；
7th acquiring unit, for the boundary coordinate according to first picture region, is obtained by default transformation model
Take the boundary coordinate in first picture region corresponding second picture region in the second picture；
Extraction unit, for the boundary coordinate according to the second picture region, extracts described from the second picture
Second picture region.
In a kind of possible implementation of second aspect, second display module includes：
Floating unit, for the display window that suspended on first picture, the shape and area of the window respectively with
The shape in the second picture region is identical with area；
Display unit, for showing the second picture region in the window.
The third aspect is there is provided a kind of computer-readable recording medium, including instruction, when the instruction is in endpoint device
During operation so that the endpoint device performs first aspect or any possible possible implementation of implementation of first aspect
In method instruction.
The beneficial effect for the technical scheme that the present invention is provided is：
When user selected in the first picture need amplify the first picture region when, by from second picture obtain with
The subject image identical second picture region that first picture region includes, the subject image included due to second picture region
Definition and image area are all higher than the definition and image area for the subject image that the first picture region includes, so display the
Two picture regions can show larger and content clearly subject image to user, so as to provide the user with clearly image
Hold.
Brief description of the drawings
Fig. 1 is the coverage schematic diagram of the first camera provided in an embodiment of the present invention and second camera；
Fig. 2 is the first picture schematic diagram provided in an embodiment of the present invention；
Fig. 3 is second picture schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of method flow diagram in mobile terminal amplification picture region that the embodiment of the present invention 1 is provided；
Fig. 5 is a kind of method flow diagram in mobile terminal amplification picture region that the embodiment of the present invention 2 is provided；
Fig. 6 is the schematic diagram that the first picture region is obtained on the first picture that the embodiment of the present invention 2 is provided；
Fig. 7 is the schematic diagram that second picture region is shown on the first picture that the embodiment of the present invention 2 is provided；
Fig. 8 is a kind of method flow diagram in mobile terminal amplification picture region that the embodiment of the present invention 3 is provided；
Fig. 9 is the coverage schematic diagram for the camera that the embodiment of the present invention 3 is provided；
Figure 10 is a kind of apparatus structure schematic diagram in mobile terminal amplification picture region that the embodiment of the present invention 4 is provided；
Figure 11 is a kind of apparatus structure schematic diagram in mobile terminal amplification picture region that the embodiment of the present invention 5 is provided.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
The mobile terminal that the present embodiment is provided can realize dual camera technology, including the first camera and the second shooting
Head, the first camera and second camera are located at the same side of mobile terminal.For example, the first camera and the equal position of second camera
In the front or the back side of mobile terminal.
The shooting wide-angle of first camera is more than the shooting wide-angle of second camera, and the shooting focal length of the first camera is less than
The shooting focal length of second camera.The coverage of such first camera is more than the coverage of second camera, by the
One camera and second camera are shot to object simultaneously when, the shooting for the first picture that the first camera is collected is wide
Angle is more than the shooting wide-angle for the second picture that second camera is collected.The picture material that first picture includes is more than second
The definition of each subject image in the picture material that picture includes, but the first picture is less than each object figure in second picture
The definition of picture, the area of same object corresponding subject image in the first picture is less than the corresponding object in second picture
The area of image.
For example, with reference to Fig. 1, the first camera on mobile terminal shoot wide-angle A be more than second camera shooting it is wide
Angle B, the coverage of the first camera is more than the coverage of second camera.First camera, which is shot, to be obtained as shown in Figure 2
The first picture, second camera collects second picture as shown in Figure 3, and the picture material that the first picture includes is more than
The picture material that second picture includes, but definition of the definition less than second picture of the first picture.And same object is
Corresponding subject image is less than the corresponding subject image in second picture in one picture.
Current mobile terminal is collecting the first picture and second simultaneously using the first camera and second camera
During picture, mobile terminal can show the first picture of the first camera collection on a display screen.Due to the definition of the first picture
Not high, user can click on the picture region for needing to amplify display in the first picture, then pass through following any embodiment pair
The picture region is amplified, and shows the picture region after amplification.
Embodiment 1
Referring to Fig. 4, the embodiments of the invention provide a kind of method in mobile terminal amplification picture region, including：
Step 101：The camera of mobile terminal first gathers the first picture, second camera collection second picture；First takes the photograph
Picture head and second camera are located on the same face of mobile terminal, and the wide-angle that shoots of the first camera is more than second camera
Wide-angle is shot, the shooting focal length of the first camera is less than the shooting focal length of second camera.
Step 102：The first picture is shown on a display screen.
Step 103：When receiving selection region instruction, the selection region is obtained from the first picture and instructs corresponding treat
First picture region of amplification.
Step 104：Second picture region is determined in second picture.
Wherein, the picture material that the first picture region includes is identical with the picture material that second picture region includes.
Step 105：Show second picture region.
In embodiments of the present invention, when user selects the first picture region for needing to amplify in the first picture, pass through
The subject image identical second picture region included with the first picture region is obtained from second picture, due to second picture area
The definition and image area for the subject image that domain includes be all higher than the subject image that the first picture region includes definition and
Image area, so display second picture region is to user, can show larger and content clearly subject image to user.
Embodiment 2
Referring to Fig. 5, the embodiments of the invention provide a kind of method in mobile terminal amplification picture region, the present embodiment is held
Row main body can be mobile terminal, including：
Step 201：The selected use pattern of acquisition for mobile terminal, use pattern includes local window amplification mode and double
Take the photograph two kinds of pattern.
Mobile terminal can be for mobile phone, tablet personal computer or notebook computer etc., and mobile terminal includes the first camera and the
Two cameras, the first camera and second camera are respectively positioned on the same face of mobile terminal.
Mobile terminal defines two kinds of use patterns, and respectively local window amplification mode takes the photograph pattern with double.Opened in user
During the camera that dynamic mobile terminal includes, mobile terminal shows startup interface, and the startup interface includes local window amplification mould
The corresponding first triggering interface of formula triggers interface with double patterns corresponding second of taking the photograph.If user needs to use local window to amplify
Pattern, clicks directly on the corresponding first triggering interface of local window amplification mode, if user need to use it is double take the photograph pattern, directly
Click on double patterns corresponding second of taking the photograph and trigger interface.
Wherein, triggering interface can be the forms such as button, choice box.
This step can be：Acquisition for mobile terminal is determined corresponding to the clicking operation to the clicking operation of triggering interface
Interface is triggered, if the first triggering interface, then it is the corresponding local window of the first triggering interface to obtain selected use pattern
Mouth amplification mode, if the second triggering interface, then obtains selected use pattern and is taken the photograph for the second corresponding pair of triggering interface
Pattern.
Step 202：When the use pattern is local window amplification mode, the of the first camera collection of mobile terminal
One picture, the second picture of second camera collection, and the first picture of the first camera collection is shown on a display screen.
The definition of first picture is less than the definition of second picture, so mobile terminal is shown after the first picture, if
User needs to be amplified some subject image in the first picture, and user can click on the subject image, and triggering is mobile eventually
End performs the operation of step 203.
Step 203：When detecting the selection region instruction to the first picture, acquisition for mobile terminal selection region instruction
The corresponding position on the first picture, determines the subject image where the position, and acquisition includes the first picture of the subject image
Region.
Selection region instruction can be click on operation, and mobile terminal can detect the point that user clicks on the first picture
Operation is hit, and obtains the corresponding click location of the clicking operation, the object figure where the click location is determined from the first picture
Picture, acquisition includes the picture region of the subject image, is used as the first picture region to be amplified.
First picture region can be the forms such as rectangular area, border circular areas or delta-shaped region.It is assumed that the first picture region
Domain is rectangular area, and mobile terminal can be extracted from the first picture includes the minimum rectangular area of the subject image, will extract
Rectangular area be used as the first picture region to be amplified.
For example, mobile terminal collects the first picture as shown in Figure 2 by the first camera and taken the photograph by second
Collected as head after second picture as shown in Figure 3, display the first picture as shown in Figure 2.If user wants amplification the
Automobile image in one picture, user can use finger to be clicked on the automobile image in the first picture, as shown in Figure 6.Phase
Answer, mobile terminal can detect the clicking operation, obtain the corresponding click location of the clicking operation for position C, determine a little
Subject image where hitting position C is an automobile image, obtains the minimum rectangular area for including the automobile image as to be amplified
The first picture region.
Step 204：First characteristics of image of the picture material that the picture region of acquisition for mobile terminal first includes, and obtain
Take the second characteristics of image of each picture material that second picture includes.
Characteristics of image is relevant with picture material, for reacting picture material.The characteristics of image of different picture materials is different.
So the first characteristics of image can uniquely reflect the picture material in the first picture region, and the second characteristics of image can be only
One reflects the picture material in second picture.
Step 205：Mobile terminal determined from second picture respectively with each second figure of each first characteristics of image identical
As feature.
, wherein it is desired to which explanation is：Because the picture material that second picture includes is the parts of images that the first picture includes
Content, user, which clicks on, needs the subject image for amplifying display may not be in second picture, so may be really from second picture
It can not determine and the second characteristics of image of each first characteristics of image identical.
If can not determine in this step with the second characteristics of image of each first characteristics of image identical, can point out
The picture region of user first can not amplify.
Step 206：Mobile terminal obtains the corresponding picture material of the second characteristics of image for including determining from second picture
Second picture region.
Because the first characteristics of image of the first picture region and second characteristics of image in second picture region are identical, so the
The subject image included in one picture region is identical with the subject image included in second picture region.Again due to second picture area
The definition of subject image in domain is more than in the definition of the subject image in the first picture region and second picture region
The area of subject image is more than the area of the subject image in the first picture region, it is possible to directly make in second picture region
For the magnification region of the first picture region.
For example, mobile terminal is obtained from the second picture shown in Fig. 3 includes the second picture region of automobile image,
The area and definition of the automobile image included in two picture regions are all higher than the automobile image included in the first picture region
Area and definition, thus using second picture region as the first picture region magnification region.
Step 207：Mobile terminal shows second picture region, terminates.
Specifically, suspend display window on the first picture, the shape and area of the window respectively with second picture region
Shape it is identical with area；Second picture region is shown in the window.
For example, with reference to Fig. 7, suspended on the first picture and show a window, then by second picture region, i.e., by automobile figure
As being shown in the window.
Step 208：The use pattern for it is double take the photograph pattern when, the first picture of the first camera collection of mobile terminal and
The second picture of second camera collection.
When user needs to shoot high definition picture, user can select to take the photograph pattern using double.When using it is double take the photograph pattern when, move
Dynamic terminal starts the first camera and second camera, and same object is entered simultaneously using the first camera and second camera
Row is shot, and is obtained the first picture of the first camera collection and obtained the second picture of second camera collection.
Step 209：First picture and second picture are synthesized a high definition picture by mobile terminal.
This step can be realized by following two steps, including：
(1)：Mobile terminal calculates the depth of view information of the first picture and each pixel in second picture.
Because the first picture and second picture are that the first camera and second camera are adopted to object with different view
Collect obtained picture, so the pixel that the first picture includes may correspond to a pixel in second picture.
For any one pixel in the first picture, referred to as the first pixel for convenience of description, in the first picture
The first visual angle of the first pixel is obtained, if there is corresponding second pixel of the first pixel in second picture,
The second visual angle of the second pixel is obtained in two pictures, according to the first visual angle and the second visual angle, subtense angle is calculated, is regarded according to this
The distance between angular difference and the first camera and second camera, calculate the depth of view information of the first pixel.
(2)：The depth of view information of each first pixel of the mobile terminal in the first picture, by the first picture and second
Picture synthesizes a high definition picture.
Can according to the depth of view information of each first pixel, by default picture composition algorithm, by the first picture and
Second picture synthesizes a high definition picture.Wherein, default picture composition algorithm can be super-resolution reconstruction.
Synthesis is obtained after a high definition picture, can be shown the preview high definition picture, be referred in the preservation for receiving user
The Zhang Gaoqing pictures are stored in the photograph album of mobile terminal when making.
In embodiments of the present invention, when user selects the first picture region for needing to amplify in the first picture, obtain
Each first characteristics of image for the picture material that first picture region includes, obtains each picture material that second picture includes
Each second characteristics of image, is obtained and the second characteristics of image of each first characteristics of image identical from second picture, from second
In picture obtain include the second picture region of the corresponding picture material of each second characteristics of image, so get including thing
Body image and the first picture region identical second picture region, due to the definition for the subject image that second picture region includes
The definition and image area of the subject image that the first picture region includes are all higher than with image area, so display second picture
Region can show larger and content clearly subject image to user to user.
Embodiment 3
Referring to Fig. 8, the embodiments of the invention provide a kind of method in mobile terminal amplification picture region, the present embodiment is held
Row main body can be mobile terminal, including：
Step 301：The selected use pattern of acquisition for mobile terminal, use pattern includes local window amplification mode and double
Take the photograph two kinds of pattern.
Mobile terminal can be for mobile phone, tablet personal computer or notebook computer etc., and mobile terminal includes the first camera and the
Two cameras, the first camera and second camera are respectively positioned on the same face of mobile terminal.
Mobile terminal defines two kinds of use patterns, and respectively local window amplification mode takes the photograph pattern with double.Opened in user
During the camera that dynamic mobile terminal includes, mobile terminal shows startup interface, and the startup interface includes local window amplification mould
The corresponding first triggering interface of formula triggers interface with double patterns corresponding second of taking the photograph.If user needs to use local window to amplify
Pattern, clicks directly on the corresponding first triggering interface of local window amplification mode, if user need to use it is double take the photograph pattern, directly
Click on double patterns corresponding second of taking the photograph and trigger interface.
Wherein, triggering interface can be the forms such as button, choice box.
This step can be：Acquisition for mobile terminal is determined corresponding to the clicking operation to the clicking operation of triggering interface
Interface is triggered, if the first triggering interface, then it is the corresponding local window of the first triggering interface to obtain selected use pattern
Mouth amplification mode, if the second triggering interface, then obtains selected use pattern and is taken the photograph for the second corresponding pair of triggering interface
Pattern.
Step 302：When the use pattern is local window amplification mode, the of the first camera collection of mobile terminal
One picture, the second picture of second camera collection, and the first picture of the first camera collection is shown on a display screen.
The definition of first picture is less than the definition of second picture, so mobile terminal is shown after the first picture, if
User needs to be amplified some subject image in the first picture, and user can click on the subject image, and triggering is mobile eventually
End performs the operation of step 203.
Step 303：When detecting the selection region instruction to the first picture, acquisition for mobile terminal selection region instruction
The corresponding position on the first picture, determines the subject image where the position, and acquisition includes the first picture of the subject image
Region.
Selection region instruction can be click on operation, and mobile terminal can detect the point that user clicks on the first picture
Operation is hit, and obtains the corresponding click location of the clicking operation, the object figure where the click location is determined from the first picture
Picture, acquisition includes the picture region of the subject image, is used as the first picture region to be amplified.
First picture region can be the forms such as rectangular area, border circular areas or delta-shaped region.It is assumed that the first picture region
Domain is rectangular area, and mobile terminal can be extracted from the first picture includes the minimum rectangular area of the subject image, will extract
Rectangular area be used as the first picture region to be amplified.
For example, mobile terminal collects the first picture as shown in Figure 2 by the first camera and taken the photograph by second
Collected as head after second picture as shown in Figure 3, display the first picture as shown in Figure 2.If user wants amplification the
Automobile image in one picture, user can use finger to be clicked on the automobile image in the first picture, accordingly, mobile whole
End can detect the clicking operation, obtain the corresponding click location of the clicking operation for position C, determine click location C places
Subject image be an automobile image, obtaining includes the minimum rectangular area of the automobile image as the first picture region to be amplified
Domain.
Step 304：Mobile terminal obtains the boundary coordinate of the first picture region from the first picture.
Because the first picture region can be rectangular area, so can obtain in the first picture region in this step
The coordinate of two angle steel joints on any diagonal as the first picture region boundary coordinate.
Step 305：Mobile terminal obtains first according to the boundary coordinate of the first picture region by default transformation model
The boundary coordinate in picture region corresponding second picture region in second picture.
The boundary coordinate of first picture region includes the coordinate of two angle steel joints on the first picture region diagonal, respectively
For (x1, y1) and (x2, y2)。
This step can be：The length X1 and width Y1 of the picture of acquisition for mobile terminal first, as follows (1) calculate the
The length X2 and width Y2 of two pictures；
In formula (1), a and b are the coefficient pre-established.
According to the length X1 and width Y1 of the first picture, and second picture length X2 and width Y2, coordinates computed is former
Point coordinates is ((X1-X2)/2, (Y1-Y2)/2)；
According to coordinate (x1, y1) and origin of coordinates coordinate ((X1-X2)/2, (Y1-Y2)/2), calculating the first middle coordinate is
(x'1,y'1), wherein, x'1=x1- (X1-X2)/2, y'1=y1-(Y1-Y2)/2；
According to coordinate (x2, y2) and origin of coordinates coordinate ((X1-X2)/2, (Y1-Y2)/2), calculating the second middle coordinate is
(x'2,y'2), wherein, x'2=x2- (X1-X2)/2, y'2=y2-(Y1-Y2)/2；
The photo resolution X3 and Y3 of second picture are obtained, according to the first middle coordinate (x'1,y'1), the second middle coordinate
(x'2,y'2), the length X2 of second picture, width Y2, photo resolution X3 and Y3, as follows (2), calculate second picture
Two boundary coordinates in region, respectively coordinate (x3, y3) and coordinate (x4, y4)；
Because the boundary coordinate of the first picture region obtained in step 304 is on a pair of linea angulata of the first picture region
Two angle steel joints coordinate, so the coordinate (x obtained in this step3, y3) and coordinate (x4, y4) also it is second picture area
The coordinate of two angle steel joints on a pair of linea angulatas on domain.
It can be set up in advance by operating as follows for coefficient a and b, be respectively：
3051：Obtain the horizontal shooting angle α of the first camera1With vertical shooting angle β1, and obtain second camera
Horizontal shooting angle α2With vertical shooting angle β2。
Referring to Fig. 9, camera itself can have horizontal shooting angle α and vertical shooting angle β, shoot subject image
When, camera determines coverage according to horizontal shooting angle α and vertical shooting angle β, then to the thing in the coverage
Body is shot.
3052：According to the horizontal shooting angle α of the first camera1With vertical shooting angle β1(3) calculate the as follows
The imaging width W of one camera1With image height H1。
Wherein f1It is the focal length of the first camera.
3053：According to the horizontal shooting angle α of second camera2With vertical shooting angle β2(4) calculate the as follows
The imaging width W of two cameras2With image height H2。
Wherein f2It is the focal length of second camera.
3054：According to the imaging width W of the first camera1With the imaging width W of second camera2Design factor a=W2/
W1, and according to the image height H of the first camera1With the image height H of second camera2Design factor b=H2/H1。
, wherein it is desired to which explanation is：Because the picture material that second picture includes is the parts of images that the first picture includes
Content, user, which clicks on, needs the subject image for amplifying display may not be in second picture, so may obtain in this step
Less than the boundary coordinate in second picture region.
If obtain the boundary coordinate less than second picture region in this step, user first can be pointed out picture
Region can not amplify.
Step 306：Mobile terminal extracts second picture area according to the boundary coordinate in second picture region from second picture
Domain.
The boundary coordinate in second picture region is the coordinate of two angle steel joints on a pair of linea angulatas in second picture region, root
The second picture region of rectangle can be determined on second picture according to the coordinate of two angle steel joints.I.e. according to (x3, y3) and sit
Mark (x4, y4), the second picture region of rectangle is determined and extracted from second picture.
The subject image included in first picture region is identical with the subject image included in second picture region.And due to
The definition of subject image in second picture region is more than the definition and the second figure of the subject image in the first picture region
The area of subject image in panel region is more than the area of the subject image in the first picture region, it is possible to by second picture
Magnification region of the region directly as the first picture region.
For example, mobile terminal is obtained from the second picture shown in Fig. 3 includes the second picture region of automobile image,
The area and definition of the automobile image included in two picture regions are all higher than the automobile image included in the first picture region
Area and definition, thus using second picture region as the first picture region magnification region.
Step 307：Mobile terminal shows second picture region, terminates.
Specifically, suspend display window on the first picture, the shape and area of the window respectively with second picture region
Shape it is identical with area；Second picture region is shown in the window.
For example, with reference to Fig. 7, suspended on the first picture and show a window, then by second picture region, i.e., by automobile figure
As being shown in the window.
Step 308：The use pattern for it is double take the photograph pattern when, the first picture of the first camera collection of mobile terminal,
The second picture of second camera collection.
When user needs to shoot high definition picture, user can select to take the photograph pattern using double.When using it is double take the photograph pattern when, move
Dynamic terminal starts the first camera and second camera, and same object is entered simultaneously using the first camera and second camera
Row collection, and obtain the first picture of the first camera collection and obtain the second picture of second camera collection.
Step 309：First picture and second picture are synthesized a high definition picture by mobile terminal.
This step can be realized by following two steps, including：
(1)：Mobile terminal calculates the depth of view information of the first picture and each pixel in second picture.
Because the first picture and second picture are that the first camera and second camera enter to same object with different view
The picture that row is collected, so the pixel that the first picture includes is identical with the pixel that second picture includes.
For any one pixel in the first picture, referred to as the first pixel for convenience of description, in the first picture
The first visual angle of the first pixel is obtained, if there is corresponding second pixel of the first pixel in second picture,
The second visual angle of the second pixel is obtained in two pictures, according to the first visual angle and the second visual angle, subtense angle is calculated, is regarded according to this
The distance between angular difference and the first camera and second camera, calculate the depth of view information of the first pixel.
(2)：The depth of view information of each first pixel of the mobile terminal in the first picture, by the first picture and second
Picture synthesizes a high definition picture.
Can according to the depth of view information of each first pixel, by default picture composition algorithm, by the first picture and
Second picture synthesizes a high definition picture.Wherein, default picture composition algorithm can be super-resolution reconstruction.
Synthesis is obtained after a high definition picture, can be shown the preview high definition picture, be referred in the preservation for receiving user
The Zhang Gaoqing pictures are stored in the photograph album of mobile terminal when making.
In embodiments of the present invention, when user selects the first picture region for needing to amplify in the first picture, from the
The boundary coordinate of the first picture region is obtained in one picture, according to the boundary coordinate of the first picture region, the first picture region is obtained
The boundary coordinate in domain corresponding second picture region in second picture, according to the boundary coordinate in second picture region, from second
Second picture region is extracted in picture, the subject image phase for obtaining and including with the first picture region from second picture is so realized
Same second picture region.In addition, second picture region is got by the way of coordinate transform, and the mode of coordinate transform is calculated
Method realizes that simply computational complexity is relatively low, can improve the efficiency for obtaining second picture region.Because second picture region includes
Subject image definition and image area be all higher than the definition and image surface of the subject image that the first picture region includes
Product, so display second picture region can show larger and content clearly subject image to user to user.
Following is disclosure device embodiment, can be used for performing method of disclosure embodiment.It is real for disclosure device
The details not disclosed in example is applied, method of disclosure embodiment is refer to.
Figure 10 is a kind of block diagram of the device in mobile terminal amplification picture region according to an exemplary embodiment
400, it can include：
Acquisition module 401, for gathering the first picture, second camera collection second by the camera of mobile terminal first
Picture；First camera and the second camera are located on the same face of the mobile terminal, first shooting
The shooting wide-angle of head is more than the shooting wide-angle of the second camera, and the shooting focal length of first camera is less than described second
The shooting focal length of camera；
First display module 402, for showing the first picture on a display screen；
Acquisition module 403, for when receiving selection region instruction, the selection area to be obtained from first picture
Domain instructs corresponding first picture region to be amplified；
Determining module 404, for determining second picture region, the figure that first picture region includes in second picture
As content is identical with the picture material that the second picture region includes；
Second display module 405, for showing the second picture region on first picture.
Optionally, the acquisition module 403 includes：
First acquisition unit, for obtaining selection region instruction corresponding position on first picture；
First determining unit, for determining the subject image where the position；
Second acquisition unit, includes the first picture region of the subject image for obtaining.
Optionally, the determining module 404 includes：
3rd acquiring unit, the first characteristics of image for obtaining the picture material that first picture region includes；
4th acquiring unit, the second characteristics of image of each picture material that the second picture for acquisition includes；
Second determining unit, for being determined and described first image feature the second image of identical from the second picture
Feature；
5th acquiring unit, the second characteristics of image that the determination is included for being obtained from the second picture is corresponding
The second picture region of picture material.
Optionally, the determining module 404 includes：
6th acquiring unit, the boundary coordinate for obtaining first picture region from first picture；
7th acquiring unit, for the boundary coordinate according to first picture region, is obtained by default transformation model
Take the boundary coordinate in first picture region corresponding second picture region in the second picture；
Extraction unit, for the boundary coordinate according to the second picture region, extracts described from the second picture
Second picture region.
Optionally, second display module 405 includes：
Floating unit, for the display window that suspended on first picture, the shape and area of the window respectively with
The shape in the second picture region is identical with area；
Display unit, for showing the second picture region in the window.
In embodiments of the present invention, when user selects the first picture region for needing to amplify in the first picture, from the
The subject image identical second picture region included with the first picture region is obtained in two pictures, due to second picture region bag
The definition and image area of the subject image included are all higher than the definition and image for the subject image that the first picture region includes
Area, so display second picture region can show larger and content clearly subject image to user to user.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Figure 11 is a kind of frame of the device 500 in mobile terminal amplification picture region according to an exemplary embodiment
Figure.For example, device 500 can be mobile phone, mobile phone, computer, digital broadcast terminal, messaging devices, game control
Platform, tablet device, Medical Devices, body-building equipment, personal digital assistant etc..
Reference picture 11, device 500 can include following one or more assemblies：Processing assembly 502, memory 504, power supply
Component 506, multimedia groupware 508, audio-frequency assembly 510, the interface 512 of input/output (I/O), sensor cluster 514, and
Communication component 516.
The integrated operation of the usual control device 500 of processing assembly 502, such as with display, call, data communication, phase
Machine operates the operation associated with record operation.Processing assembly 502 can refer to including one or more processors 520 to perform
Order, to complete all or part of step of above-mentioned method.In addition, processing assembly 502 can include one or more modules, just
Interaction between processing assembly 502 and other assemblies.For example, processing assembly 502 can include multi-media module, it is many to facilitate
Interaction between media component 508 and processing assembly 502.
Memory 504 is configured as storing various types of data supporting the operation in device 500.These data are shown
Example includes the instruction of any application program or method for operating on device 500, and contact data, telephone book data disappears
Breath, picture, video etc..Memory 504 can be by any kind of volatibility or non-volatile memory device or their group
Close and realize, such as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM) is erasable to compile
Journey read-only storage (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 506 provides electric power for the various assemblies of device 500.Power supply module 506 can include power management system
System, one or more power supplys, and other components associated with generating, managing and distributing electric power for device 500.
Multimedia groupware 508 is included in the screen of one output interface of offer between described device 500 and user.One
In a little embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch-screen, to receive the input signal from user.Touch panel includes one or more touch sensings
Device is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or sliding action
Border, but also detection touches or slide related duration and pressure with described.In certain embodiments, many matchmakers
Body component 508 includes a front camera and/or rear camera.When device 500 be in operator scheme, such as screening-mode or
During video mode, front camera and/or rear camera can receive the multi-medium data of outside.Each front camera and
Rear camera can be a fixed optical lens system or with focusing and optical zoom capabilities.
Audio-frequency assembly 510 is configured as output and/or input audio signal.For example, audio-frequency assembly 510 includes a Mike
Wind (MIC), when device 500 be in operator scheme, when such as call model, logging mode and speech recognition mode, microphone by with
It is set to reception external audio signal.The audio signal received can be further stored in memory 504 or via communication set
Part 516 is sent.In certain embodiments, audio-frequency assembly 510 also includes a loudspeaker, for exports audio signal.
I/O interfaces 512 is provide interface between processing assembly 502 and peripheral interface module, above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor cluster 514 includes one or more sensors, and the state for providing various aspects for device 500 is commented
Estimate.For example, sensor cluster 514 can detect opening/closed mode of device 500, the relative positioning of component is for example described
Component is the display and keypad of device 500, and sensor cluster 514 can be with 500 1 components of detection means 500 or device
Position change, the existence or non-existence that user contacts with device 500, the orientation of device 500 or acceleration/deceleration and device 500
Temperature change.Sensor cluster 514 can include proximity transducer, be configured to detect in not any physical contact
The presence of neighbouring object.Sensor cluster 514 can also include optical sensor, such as CMOS or ccd image sensor, for into
As being used in application.In certain embodiments, the sensor cluster 514 can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 516 is configured to facilitate the communication of wired or wireless way between device 500 and other equipment.Device
500 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.In an exemplary implementation
In example, communication component 516 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 516 also includes near-field communication (NFC) module, to promote junction service.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 500 can be believed by one or more application specific integrated circuits (ASIC), numeral
Number processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for performing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memory 504 of instruction, above-mentioned instruction can be performed to complete the above method by the processor 520 of device 500.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is by the processing of device 500
When device is performed so that device 500 is able to carry out a kind of method in amplification picture region, and methods described includes：
The camera of mobile terminal first gathers the first picture, second camera collection second picture；First camera
On the same face for being located at the mobile terminal with the second camera, the shooting wide-angle of first camera is more than described
The shooting wide-angle of second camera, the shooting focal length of first camera is less than the shooting focal length of the second camera；
The first picture is shown on a display screen；
When receiving selection region instruction, obtain that selection region instruction is corresponding to be waited to put from first picture
The first big picture region；
Second picture region, the picture material and described second that first picture region includes are determined in second picture
The picture material that picture region includes is identical；
The second picture region is shown on first picture.
Optionally, it is described that corresponding first picture to be amplified of the selection region instruction is obtained from first picture
Region, including：
Obtain selection region instruction corresponding position on first picture；
Determine the subject image where the position；
Acquisition includes the first picture region of the subject image.
Optionally, the determination second picture region in second picture, including：
Obtain the first characteristics of image of the picture material that first picture region includes；
Second characteristics of image of each picture material that the second picture obtained includes；
Determined and described first image feature the second characteristics of image of identical from the second picture；
The second figure of the corresponding picture material of the second characteristics of image for including the determination is obtained from the second picture
Panel region.
Optionally, the determination second picture region in second picture, including：
The boundary coordinate of first picture region is obtained from first picture；
According to the boundary coordinate of first picture region, first picture region is obtained by default transformation model
The boundary coordinate in corresponding second picture region in the second picture；
According to the boundary coordinate in the second picture region, the second picture region is extracted from the second picture.
Optionally, the display second picture region, including：
Suspend display window on first picture, the shape and area of the window respectively with the second picture area
The shape in domain is identical with area；
The second picture region is shown in the window.
In embodiments of the present invention, when user selects the first picture region for needing to amplify in the first picture, from the
The subject image identical second picture region included with the first picture region is obtained in two pictures, due to second picture region bag
The definition and image area of the subject image included are all higher than the definition and image for the subject image that the first picture region includes
Area, so display second picture region can show larger and content clearly subject image to user to user.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware
To complete, the hardware of correlation can also be instructed to complete by program, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of method in mobile terminal amplification picture region, it is characterised in that methods described includes：
The camera of mobile terminal first gathers the first picture, second camera collection second picture；First camera and institute
Second camera is stated on the same face of the mobile terminal, the shooting wide-angle of first camera is more than described second
The shooting wide-angle of camera, the shooting focal length of first camera is less than the shooting focal length of the second camera；
The first picture is shown on a display screen；
When receiving selection region instruction, the selection region instruction is obtained from first picture corresponding to be amplified
First picture region；
Second picture region is determined in second picture, the picture material that first picture region includes and the second picture
The picture material that region includes is identical；
Show the second picture region.
2. the method as described in claim 1, it is characterised in that described to obtain the selection region from first picture and refer to
Corresponding first picture region to be amplified is made, including：
Obtain selection region instruction corresponding position on first picture；
Determine the subject image where the position；
Acquisition includes the first picture region of the subject image.
3. the method as described in claim 1, it is characterised in that the determination second picture region in second picture, including：
Obtain the first characteristics of image of the picture material that first picture region includes；
Second characteristics of image of each picture material that the second picture obtained includes；
Determined and described first image feature the second characteristics of image of identical from the second picture；
The second picture area for the corresponding picture material of the second characteristics of image for including the determination is obtained from the second picture
Domain.
4. the method as described in claim 1, it is characterised in that the determination second picture region in second picture, including：
The boundary coordinate of first picture region is obtained from first picture；
According to the boundary coordinate of first picture region, first picture region is obtained corresponding in the second picture
The boundary coordinate in second picture region；
According to the boundary coordinate in the second picture region, the second picture region is extracted from the second picture.
5. the method as described in any one of Claims 1-4 claim, it is characterised in that the display second picture
Region, including：
Suspend display window on first picture, the shape and area of the window respectively with the second picture region
Shape is identical with area；
The second picture region is shown in the window.
6. a kind of device in mobile terminal amplification picture region, it is characterised in that described device includes：
Acquisition module, for gathering the first picture, second camera collection second picture by the camera of mobile terminal first；Institute
State the first camera and the second camera is located on the same face of the mobile terminal, the shooting of first camera
Wide-angle is more than the shooting wide-angle of the second camera, and the shooting focal length of first camera is less than the second camera
Shooting focal length；
First display module, for showing the first picture on a display screen；
Acquisition module, for when receiving selection region instruction, the selection region instruction to be obtained from first picture
Corresponding first picture region to be amplified；
Determining module, for determining second picture region, the picture material that first picture region includes in second picture
It is identical with the picture material that the second picture region includes；
Second display module, for showing the second picture region.
7. device as claimed in claim 6, it is characterised in that the acquisition module includes：
First acquisition unit, for obtaining selection region instruction corresponding position on first picture；
First determining unit, for determining the subject image where the position；
Second acquisition unit, includes the first picture region of the subject image for obtaining.
8. device as claimed in claim 6, it is characterised in that the determining module includes：
3rd acquiring unit, the first characteristics of image for obtaining the picture material that first picture region includes；
4th acquiring unit, the second characteristics of image of each picture material that the second picture for acquisition includes；
Second determining unit, it is special with the second image of described first image feature identical for being determined from the second picture
Levy；
5th acquiring unit, includes the corresponding image of the second characteristics of image of the determination for being obtained from the second picture
The second picture region of content.
9. device as claimed in claim 6, it is characterised in that the determining module includes：
6th acquiring unit, the boundary coordinate for obtaining first picture region from first picture；
7th acquiring unit, for the boundary coordinate according to first picture region, obtains first picture region in institute
State the boundary coordinate in corresponding second picture region in second picture；
Extraction unit, for the boundary coordinate according to the second picture region, extracts described second from the second picture
Picture region.
10. the device as described in any one of claim 6 to 9 claim, it is characterised in that the second display module bag
Include：
Floating unit, for the display window that suspended on first picture, the shape and area of the window respectively with it is described
The shape in second picture region is identical with area；
Display unit, for showing the second picture region in the window.
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Application publication date: 20171020 |