CN105049716B - A kind of preview image processing method and user terminal - Google Patents
A kind of preview image processing method and user terminal Download PDFInfo
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- CN105049716B CN105049716B CN201510383411.8A CN201510383411A CN105049716B CN 105049716 B CN105049716 B CN 105049716B CN 201510383411 A CN201510383411 A CN 201510383411A CN 105049716 B CN105049716 B CN 105049716B
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Abstract
The embodiment of the invention discloses a kind of preview image processing method and user terminal.Wherein, this method includes：User terminal is when obtaining the characteristic information of preview image of big visual angle camera collection, can be according to this feature information, identify the preview image works as front-distortion grade, when deserving front-distortion grade more than default distortion grade, target shooting visual angle can be determined according to front-distortion grade is deserved, wherein, when the shooting visual angle of the big visual angle camera is the target shooting visual angle, the distortion grade of the image of the big visual angle camera collection is less than the default distortion grade, and the target shooting visual angle is shown in preview image.It can be seen that, user terminal can be when preview image produces larger distortion, display target shooting visual angle, to prompt the distortion that the picture that shooting visual angle is adjusted to shoot after target shooting is actual occurs user smaller, enable a user to disposably shoot satisfied picture, improve shooting efficiency.
Description
Technical field
The present invention relates to technical field of image processing, and in particular to a kind of preview image processing method and user terminal.
Background technology
Present user terminal such as mobile phone, tablet personal computer, notebook computer etc. are equipped with camera, and user can pass through
Camera is shot or imaged.People often like more people to take a group photo during taking pictures, but existing common camera
Coverage is than relatively limited, and if necessary to shoot the picture of large viewing, user may be clapped using big visual angle camera
Take the photograph.Found in practice, when being shot using big visual angle camera, user needs after finding that reference object produces distortion
Slowly to adjust big visual angle camera and shoot the shooting picture of high quality to find suitable acquisition parameters.It can be seen that use
The higher shooting picture of big visual angle camera shooting mass, cumbersome, shooting efficiency is relatively low.
The content of the invention
The embodiment of the invention discloses a kind of preview image processing method and user terminal, can be produced in preview image abnormal
Prompting needs the shooting visual angle adjusted in the case of change, improves shooting efficiency.
First aspect of the embodiment of the present invention discloses a kind of preview image processing method, including：
Obtain the characteristic information of the preview image of big visual angle camera collection；
According to the characteristic information, identify the preview image works as front-distortion grade；
When described when front-distortion grade is more than default distortion grade, according to described when front-distortion grade determines that target is shot
Visual angle, wherein, when the shooting visual angle of the big visual angle camera is the target shooting visual angle, the big visual angle camera collection
The distortion grade of image be less than the default distortion grade；
The Viewing-angle information of the target shooting visual angle is shown in the preview image.
With reference to the embodiment of the present invention in a first aspect, first aspect of the embodiment of the present invention the first possible implementation
In, described according to the characteristic information, identify the preview image works as front-distortion grade, including：
According to the characteristic information, at least one distorted region in the preview image is identified；
According to the distortion information of target distorted region at least one distorted region, the target distorted region is determined
Distortion grade；
Work as front-distortion grade using the distortion grade of the target distorted region as the preview image.
With reference to the first possible implementation of first aspect of the embodiment of the present invention, in first aspect of the embodiment of the present invention
Second of possible implementation in, it is described according at least one distorted region target distorted region distortion believe
Breath, the distortion grade of the target distorted region is determined, including：
For each distorted region, judge in the distorted region with the presence or absence of default reference object；
If the default reference object in the distorted region be present, the distorted region is defined as target distorted region；
According to the distortion information of the target distorted region, the distortion grade of the target distorted region is determined.
With reference to second of possible implementation of first aspect of the embodiment of the present invention, in first aspect of the embodiment of the present invention
The third possible implementation in, the distortion information according to the target distorted region, determine target distortion
The distortion grade in region, including：
The characteristic information of the target distorted region is contrasted with default characteristic information, obtains the target distortion area
The distortion information in domain；
It is corresponding with the distortion information that the target distorted region is obtained in distortion hierarchical relationship from default distortion information
Distort grade.
Second of the first possible implementation, first aspect with reference to first aspect of the embodiment of the present invention is possible
The possible implementation of the third of implementation or first aspect, the 4th kind in first aspect of the embodiment of the present invention are possible
In implementation, methods described also includes：
Obtain positional information of the target distorted region in the preview image；
Using the positional information and the front-distortion grade of working as foundation, believe with reference to the inquiry of preset relation table with the position
Breath works as front-distortion grade corresponding shooting visual angle simultaneously with described；
The shooting visual angle is defined as to the current shooting visual angle of the big visual angle camera；
The Viewing-angle information that the target shooting visual angle is shown in the preview image, including：
The Viewing-angle information of the target shooting visual angle and the current shooting visual angle are shown in the preview image
Viewing-angle information.
With reference to the 4th kind of possible implementation of first aspect of the embodiment of the present invention, in first aspect of the embodiment of the present invention
The 5th kind of possible implementation in, methods described also includes：
The current shooting visual angle of the big visual angle camera is adjusted to the target shooting visual angle；
Control the big visual angle camera to be shot with the target shooting visual angle, obtain shooting picture；
The target shooting visual angle is shot in picture added to described.
With reference to the 4th kind of possible implementation of first aspect of the embodiment of the present invention, in first aspect of the embodiment of the present invention
The 6th kind of possible implementation in, methods described also includes：
The distortion information of the target distorted region is shown on the target distorted region of the preview image.
Accordingly, second aspect of the embodiment of the present invention discloses a kind of user terminal, including：
Acquisition module, the characteristic information of the preview image for obtaining big visual angle camera collection；
Identification module, for according to the characteristic information, identify the preview image to work as front-distortion grade；
Determining module, for, when front-distortion grade is more than default distortion grade, working as front-distortion etc. according to described when described
Level determines target shooting visual angle, wherein, it is described big when the shooting visual angle of the big visual angle camera is the target shooting visual angle
The distortion grade of the image of visual angle camera collection is less than the default distortion grade；
Display module, for showing the Viewing-angle information of the target shooting visual angle in the preview image.
With reference to second aspect of the embodiment of the present invention, in the first possible implementation of second aspect of the embodiment of the present invention
In, the identification module includes recognition unit, the first determining unit and execution unit, wherein：
The recognition unit, for the characteristic information got according to the acquisition module, identify in the preview image
At least one distorted region；
First determining unit, believe for the distortion according to target distorted region at least one distorted region
Breath, determine the distortion grade of the target distorted region；
The execution unit, for using the distortion grade of the target distorted region as the current abnormal of the preview image
Become grade.
With reference to the first possible implementation of second aspect of the embodiment of the present invention, in second aspect of the embodiment of the present invention
Second of possible implementation in, first determining unit includes judgment sub-unit, determination subelement and performs son
Unit, wherein：
The judgment sub-unit, for for each distorted region, judging to clap with the presence or absence of default in the distorted region
Take the photograph object；
The determination subelement, for the default shooting be present in judging the distorted region in the judgment sub-unit
During object, the distorted region is defined as target distorted region；
The execution subelement, for the distortion information according to the target distorted region, determine the target distortion area
The distortion grade in domain.
With reference to second of possible implementation of second aspect of the embodiment of the present invention, in second aspect of the embodiment of the present invention
The third possible implementation in, it is described execution subelement according to the distortion information of the target distorted region, determine institute
The concrete mode for stating the distortion grade of target distorted region is：
The characteristic information of the target distorted region is contrasted with default characteristic information, obtains the target distortion area
The distortion information in domain；
It is corresponding with the distortion information that the target distorted region is obtained in distortion hierarchical relationship from default distortion information
Distort grade.
Second of the first possible implementation, second aspect with reference to second aspect of the embodiment of the present invention is possible
The possible implementation of the third of implementation or second aspect, in the 4th kind of possible reality of inventive embodiments second aspect
In existing mode,
The acquisition module, it is additionally operable to obtain positional information of the target distorted region in the preview image；
The user terminal also includes：
Enquiry module, what the positional information and the identification module for being got with the acquisition module identified
It is described when front-distortion grade is foundation, with reference to the inquiry of preset relation table and the positional information and it is described when front-distortion grade simultaneously
Corresponding shooting visual angle；
The determining module, the current shooting for being additionally operable to the shooting visual angle being defined as the big visual angle camera regard
Angle；
The display module shows the concrete mode of the Viewing-angle information of the target shooting visual angle in the preview image
For：
The Viewing-angle information of the target shooting visual angle and the current shooting visual angle are shown in the preview image
Viewing-angle information.
With reference to the 4th kind of possible implementation of second aspect of the embodiment of the present invention, in inventive embodiments second aspect
In 5th kind of possible implementation, the user terminal also includes：
Adjusting module, regarded for the current shooting visual angle of the big visual angle camera to be adjusted into the target shooting
Angle；
Control module, for controlling the big visual angle camera to be shot with the target shooting visual angle, shot
Picture；
Add module, for the target shooting visual angle to be shot in picture added to described.
With reference to the 4th kind of possible implementation of second aspect of the embodiment of the present invention, in inventive embodiments second aspect
In 6th kind of possible implementation,
The display module, it is additionally operable to show the target distortion on the target distorted region of the preview image
The distortion information in region.
Implement the embodiment of the present invention, have the advantages that：
In the embodiment of the present invention, user terminal when obtaining the characteristic information of preview image of big visual angle camera collection,
Can be according to this feature information, identify the preview image works as front-distortion grade, is more than default distortion etc. when deserving front-distortion grade
During level, the user terminal can determine target shooting visual angle according to front-distortion grade is deserved, wherein, the shooting of the big visual angle camera
When visual angle is the target shooting visual angle, the distortion grade of the image of the big visual angle camera collection is less than the default distortion grade,
And the target shooting visual angle is shown in preview image.By the embodiment of the present invention, user terminal can produce in preview image
During larger distortion, display target shooting visual angle, to prompt user to be adjusted to shoot after target shooting is actual by shooting visual angle
Picture occur distortion it is smaller, enable a user to disposably shoot satisfied picture, improve shooting efficiency.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of schematic flow sheet of preview image processing method disclosed in the embodiment of the present invention；
Fig. 2 is the schematic flow sheet of another preview image processing method disclosed in the embodiment of the present invention；
Fig. 3 is a kind of structural representation of user terminal disclosed in the embodiment of the present invention；
Fig. 4 is the structural representation of another user terminal disclosed in the embodiment of the present invention.
Embodiment
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
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of preview image processing method and user terminal, can be produced in preview image abnormal
Prompting needs the shooting visual angle adjusted in the case of change, improves shooting efficiency.It is described in detail individually below.
Referring to Fig. 1, Fig. 1 is a kind of schematic flow sheet of preview image processing method disclosed in the embodiment of the present invention.Its
In, the method shown in Fig. 1 can apply to smart mobile phone (such as Android phone, iOS mobile phones), tablet personal computer, palm PC
And mobile internet device (Mobile Internet Devices, MID), personal digital assistant (Personal Digital
Assistant, PDA), media player, intelligent television, intelligent watch, intelligent glasses, the user terminal such as Intelligent bracelet, wherein,
The user terminal is configured with big visual angle camera.As shown in figure 1, this method may comprise steps of：
S101, user terminal obtain the characteristic information of the preview image of big visual angle camera collection.
In the embodiment of the present invention, big visual angle camera refers to the angle of camera lens, that is, the scope irradiated, angle lenses
Bigger, visual range is bigger, while effectively visual range is smaller.Angle lenses refer to the bottom of video camera range of exposures to most
Angle degree of the upper end using camera lens as a segment angle of centre point.Wherein, the visual angle of big visual angle camera is more than mark
Quasi- camera, focal length phrase standard camera head, and visual angle are less than fish-eye camera, focal length length and fish-eye camera.Big visual angle is taken the photograph
As head is relatively adapted to clap the photo that scene is larger, visual angle is wider, such as building, landscape, more people group photo.
In the embodiment of the present invention, before controlling big visual angle camera to be shot, it is big that the user terminal can gather this
Reference object in the camera angular field of view of visual angle, the preview image in big visual angle camera imaging region is obtained, and obtain and be somebody's turn to do
The characteristic information of preview image.Wherein, the characteristic information of the preview image can include but is not limited to the shape of image, image slices
Geometric position information of the location distribution information of vegetarian refreshments, the size of image and image etc..
According to this feature information, identify the preview image works as front-distortion grade for S102, the user terminal.
, can be with passing through mark after user terminal gets the characteristic information of the preview image in the embodiment of the present invention
The characteristic information of the picture of quasi- camera shooting is contrasted, so as to identify the distortion degree of the preview image, multiple distortion
The corresponding distortion grade of degree.Therefore, the user terminal can determine the preview according to the distortion degree of the preview image
Image works as front-distortion grade.Distortion grade as corresponding to distortion degree is 60%~75% is four.
Optionally, the user terminal can be when front-distortion grade according to what this feature information identified the preview image：Choosing
Target distorted region is taken, and identifies the distortion grade of target distorted region, regard the distortion grade of the target distorted region as this
Work as front-distortion grade with preview image.It can also be：According to this feature information, the feature with the picture of standard camera head shooting
Information is contrasted, and the region being distorted so as to obtain whole preview image accounts for the area of the preview image, works as occupied area
During more than certain threshold value, the distortion degree of distorted region being distorted just is identified, ask the distortion degree of regional to be averaged
Value, as the distortion degree of the preview image, then determines the current abnormal of the preview image further according to the distortion degree
Become grade.
As a kind of feasible embodiment, the user terminal identifies the current of the preview image according to this feature information
Distortion grade may comprise steps of：
Step 11) identifies at least one distorted region in the preview image according to this feature information.
In the specific implementation, when using big visual angle camera collection image, when reference object exceedes the big visual angle camera
During one critical visual angle, the image collected can produce distortion.Wherein, distortion is the same bat shot relative to standard camera head
Take the photograph for object.For example, the true form of a reference object is triangle, when shooting the reference object using standard camera head
Also be triangle, and using big visual angle camera shoot the reference object when may be changing to quadrangle or irregular component
Shape.
In the specific implementation, more than the critical visual angle and the reference object more remote away from the critical visual angle, in the pre- of imaging region
Caused distortion in image of looking at is bigger, more unrepairable；Opposite, more than the critical visual angle and away from the nearer bat in the critical visual angle
Object is taken the photograph, caused distortion is just smaller in the preview image of imaging region, in the prior art to the possibility of the distortion reparation
Property is bigger.
In the specific implementation, after user terminal gets the characteristic information of the preview image, the user terminal will root
The distorted region in the preview image is identified according to this feature information, the distorted region can be one or multiple, each
Area shared by distorted region can not be equal or not etc., and the embodiment of the present invention does not limit.
Optionally, the user terminal identifies the side of at least one distorted region in the preview image according to this feature information
Formula can be：
According to the picture shape of the preview image, each reference object in the preview image is separated, and identifies
Go out the type of each reference object, such as people, animal, landscape, building, article.Then further according to each bat prestored
The location distribution information of the pixel of object type is taken the photograph, judges the position of the pixel of each reference object in the preview image
Whether distribution is different with the position distribution of the pixel of the reference object prestored, if it is, just by the reference object
The different region of pixel position distribution of reference object of the pixel position distribution from prestoring be defined as distorted region.
For example, when identifying that the reference object is behaved, the face and body of people can be readily recognized
The design feature at each position, accordingly, it is possible to by preview image, the face of the reference object and each position of body
The pixel of the location distribution information of pixel and the design feature of the people prestored on pixel is shown in the preview image
Point location distribution information is compared, and sees if there is difference, such as left and right face asymmetry, the shape of arm and the shape of normal arm
Have differences, head, body, the ratio of leg have exceeded normal range (NR) etc..If there is difference, these will be had differences
Region is defined as distorted region.
Optionally, the user terminal identifies the side of at least one distorted region in the preview image according to this feature information
Formula can also be：
In the photo that standard camera head according to prestoring is shot, the position distribution situation of each pixel, such as pixel
Spacing distance between point and pixel, the gray-value variation trend between pixel etc., picture shape.Then by the preview graph
The position distribution situation of pixel of the location distribution information with prestoring is contrasted between pixel as in, if difference surpasses
Predetermined threshold value is crossed, then the region is defined as distorted region.
Optionally, the user terminal identifies the side of at least one distorted region in the preview image according to this feature information
Formula can also be：
User terminal has prestored the acquisition parameters of the big visual angle camera, if reference object is the 2/3 of preview image
Place will not produce distortion in central area, and slight distortion can be produced in the annular region between 2/3 to 4/5, and 4/5 to
More serious distortion can be produced in annular region between 8/9, and can be produced in 8/9 to 1 annular region even more serious
Distortion.Therefore, the user terminal can identify the regional of preview image according to such as above-mentioned area distribution information, in removing
Region of the heart district domain such as at 2/3 beyond central area is defined as distorted region, and is further divided into according to distortion degree more
Individual distorted region.
In the specific implementation, the mode of identification distorted region can also include：According to the histogram of the gray value of pixel point
The central point of cloth identification, the distribution of the shape in each region, pixel and the preview image carries out contrasting identification etc., the embodiment of the present invention
Do not limit.
Step 12) determines that the target distorts according to the distortion information of target distorted region at least one distorted region
The distortion grade in region.
In the specific implementation, distortion information refers to that the distorted region and non-distorted region compare the distortion calculated afterwards
The distortion degree in region, or distorted position account for percentage of the distorted region etc..Wherein, distortion degree is in image is shown
Distortion level can be turned into, such as cross-color, shape distortion, the embodiment of the present invention do not limit.
In the specific implementation, after user terminal identifies at least one distorted region, can be from least one distortion area
Target distorted region is chosen in domain, and calculates the distortion information of the target distorted region, then further according to target distortion area
The distortion information in domain determines the distortion grade of the target distorted region.Wherein, the quantity of target distorted region can be one,
Can also be multiple；When the target distorted region is multiple, the area of each target distorted region can be with equal, can also not
Deng；It can be the corresponding distortion grade of polytype distortion information, can also be a type of distortion information corresponding one
Individual distortion grade, the embodiment of the present invention do not limit.
Optionally, the user terminal is according to the distortion information of target distorted region at least one distorted region, it is determined that
The concrete mode of the distortion grade of the target distorted region may comprise steps of：
For each distorted region, judge in the distorted region with the presence or absence of default reference object；
When the default reference object in the distorted region be present, the distorted region is defined as target distorted region；
According to the distortion information of the target distorted region, the distortion grade of the target distorted region is determined.
Specifically, user terminal can preset some reference objects as important reference object, such as personage, move
Thing, building, sun etc..After the user terminal identifies at least one distorted region, the user terminal can be directed to each
Distorted region, judge with the presence or absence of the default reference object in the distorted region, if it does, indicating that the target distorted region
Included in reference object be important reference object, or be main reference object, the distorted region be just defined as target
Distorted region.
Specifically, after user terminal determines target distorted region, can be believed according to the distortion of the target distorted region
Cease to determine the distortion grade of the target distorted region.
As an example it is assumed that default distortion grade is three, even if photo is shot in distorted region of the distortion grade less than three,
The distorted region can be repaired by later stage software, and the grade that distorts is more than or equal to three distorted region, and the later stage is very
Hardly possible is repaired to it.Therefore, after the characteristic information of preview image is got, the user terminal can be according to this feature information
Multiple distorted regions are identified, then the user terminal can be judged for each distorted region, judge the distorted region
Whether the reference object included matches with reference object set in advance such as personage, animal, if it is determined that goes out the shooting pair
As for personage when, the distorted region is just defined as target distorted region by the user terminal.Then will be distorted according to the target
The distortion grade that the distortion information in region calculates the target distorted region is four.
Optionally, the user terminal determines the abnormal of the target distorted region according to the distortion information of the target distorted region
The concrete mode for becoming grade can be into：The characteristic information of the target distorted region is contrasted with default characteristic information, obtained
The distortion information of the target distorted region；From default distortion information with obtaining the target distorted region in distortion hierarchical relationship
Distortion grade corresponding to distortion information.
In the specific implementation, after user terminal determines target distorted region from least one distorted region, meeting
Further the characteristic information of the target distorted region and default characteristic information are contrasted, obtain the target distorted region
Distortion degree, has such as distorted 20%, each in still distorted 50%, or even distorted 90%, and the target distorted region
The percentage of the target distorted region shared by distorted position.Then further according to the distortion information prestored and distortion hierarchical relationship
The middle distortion grade for determining the target distorted region.
As an example it is assumed that the reference object that the distorted region includes is part personage's head portrait, and part personage's head
The pixel distributed intelligence of picture and the pixel distributed intelligence phase of the human head picture collected by standard camera head prestored
Than showing that personage's head portrait distortion degree in the part is 45% in the target distorted region, in distortion information and distortion hierarchical relationship
In, the distortion grade corresponding to 1%~30% distortion degree is one, and the distortion corresponding to 31%~50% distortion degree
Grade is two, and the distortion grade corresponding to 51%~65% distortion degree is three.Therefore, the user terminal can be believed from distortion
The distortion grade found in breath and distortion hierarchical relationship corresponding to 45% distortion degree is two.
Step 13) works as front-distortion grade using the distortion grade of the target distorted region as the preview image.
In the specific implementation, after user terminal determines the distortion grade of target distorted region, can be by the distortion etc.
What level was defined as the preview image works as front-distortion grade.Include default reference object that is, working as in distorted region, or
During default reference object type identical reference object (as personage), the distortion grade of the distorted region can be regard as this
Preview image works as front-distortion grade.It will be apparent that the distortion grade including the distorted region for presetting reference object completely can be with
The distortion grade of whole preview image is represented, works as front-distortion grade determine the preview image in this way, not only may be used
To save user terminal calculation resources, computational efficiency is improved.Can also just it be reached in adjustment by adjusting this fractional distortion region
To the effect for adjusting whole preview image, the regulated efficiency of user terminal is equally also improved.
When S103, the grade that distorts in this prior are more than default distortion grade, the user terminal is according to should front-distortion grade
Determine target shooting visual angle.
In the embodiment of the present invention, when user terminal identify the preview image when front-distortion grade after, the user is whole
End determines whether preset distortion grade when whether front-distortion grade is more than, if it does, just true according to front-distortion grade is deserved
Set the goal shooting visual angle, if it is lower, just being shot with deserving shooting visual angle corresponding to front-distortion grade.Wherein, preset abnormal
Become grade can be understood as：Distortion below the default distortion grade, can carry out school to these distortion in the prior art
Just；And the distortion more than the default distortion grade, it can not be temporarily corrected in the prior art, then, in preview
After image reaches more than default distortion grade, only just it is avoided that by adjusting the acquisition parameters of big visual angle camera.
In the embodiment of the present invention, it is Target To Film Distance that the big visual angle camera presets the distance between reference object with this
When, the distortion grade of the image of the big visual angle camera collection is less than default distortion grade.
In the embodiment of the present invention, user terminal can slowly adjust when front-distortion grade is more than default distortion grade
Shooting visual angle, such as slowly increase shooting visual angle, regarding for distortion will not be produced in big visual angle camera by falling the default reference object
In angular region.Can find in this way can make the less shooting visual angle of distortion grade of preview image, as target
Shooting visual angle.User terminal will can also currently adjust obtained shooting visual angle and distortion grade while store, with after an action of the bowels
Continue and directly find out suitable shooting visual angle from the shooting visual angle of storage and distortion hierarchical relationship when needs.
Optionally, the target shooting visual angle can refer to a visual angle angle, it is generally the case that in the abnormal of the preview image
Become grade to be more than after default distortion grade, want to make the distortion grade be less than default distortion grade, needed the big visual angle
The current shooting visual angle of camera increases certain visual angle angle, and therefore, the target shooting visual angle is generally higher than current shooting
Visual angle；The target shooting visual angle can also refer at the current shooting visual angle for gathering the preview image of the big visual angle camera
On the basis of, it is necessary to which the visual angle difference of adjustment, the embodiment of the present invention do not limit.For convenience, should in follow-up description
Target shooting visual angle refers in particular to visual angle angle, rather than visual angle difference.
S104, the user terminal show the Viewing-angle information of the target shooting visual angle in the preview image.
In the embodiment of the present invention, after user terminal determines the target shooting visual angle, the user terminal is just being shown
During preview image, the Viewing-angle information of the target shooting visual angle is shown in the preview image.Under normal circumstances, it is necessary to large viewing
During shooting, the coverage of camera shooting is smaller.Assuming that the user terminal is determined when shooting visual angle is 160, in advance
The distortion grade of image of looking at is more than default distortion grade three, and therefore, the user terminal will determine mesh according to the distortion grade
When mark shooting visual angle is 180, the distortion grade of obtained preview image is less than default distortion grade, then, the user
Terminal will be by the presentation of information of the target shooting visual angle 180 in the preview image.User can be given straight in this way
Information is seen, allows the user to include in the clear preview image for being adjusted to obtain after target shooting visual angle by shooting visual angle
The distortion in the region of default reference object will disappear or be reduced to by software correction can come.
For example, when user needs to shoot a building, user terminal can obtain big visual angle camera to this first
Building is acquired the pixel distribution situation of obtained preview image, then identifies this further according to pixel distribution situation
Distorted region in preview image, the preview image is determined according to the characteristic information for all distorted regions for including the building
Be assumed to be four when front-distortion grade, and judge that deserving front-distortion grade four is more than default distortion grade two.Therefore, the user
Terminal can determine that target shooting shooting visual angle is 190 degree according to front-distortion grade is deserved, should under 190 degree of shooting visual angle
The distortion grade of the image of big visual angle camera collection can be less than default distortion grade two.Finally, the user terminal can be by the mesh
190 degree of shooting visual angle of mark is shown on preview image.Therefore, user's can is apparent from adjusting shooting visual angle to 190
When spending, the distortion can for the building shot is avoided or corrected by software mode.
It can be seen that in the method described by Fig. 1, spy of the user terminal in the preview image for obtaining big visual angle camera collection
, can be according to this feature information when reference ceases, identify the preview image works as front-distortion grade, is more than in advance when deserving front-distortion grade
If during the grade that distorts, the user terminal can determine target shooting visual angle according to front-distortion grade is deserved, wherein, the big visual angle shooting
When the shooting visual angle of head is the target shooting visual angle, the distortion grade of the image of the big visual angle camera collection is default abnormal less than this
Become grade, and the target shooting visual angle is shown in preview image.By the embodiment of the present invention, user terminal can be in preview graph
During as producing larger distortion, display target shooting visual angle, to prompt user that shooting visual angle is adjusted to after target shooting visual angle
The distortion that the picture shot occurs is smaller, enables a user to disposably shoot satisfied picture, improves shooting effect
Rate.
Referring to Fig. 2, Fig. 2 is the schematic flow sheet of another preview image processing method disclosed in the embodiment of the present invention.
Wherein, the method shown in Fig. 2 can apply to smart mobile phone (such as Android phone, iOS mobile phones), tablet personal computer, palm electricity
Brain and mobile internet device (Mobile Internet Devices, MID), personal digital assistant (Personal
Digital Assistant, PDA), media player, intelligent television, intelligent watch, intelligent glasses, the user such as Intelligent bracelet it is whole
End, wherein, the user terminal is configured with big visual angle camera.As shown in Fig. 2 this method may comprise steps of：
S201, user terminal obtain the characteristic information of the preview image of big visual angle camera collection.
In the embodiment of the present invention, user terminal obtain the preview image of big visual angle camera collection characteristic information it
Before, it can also carry out following steps：
Step 21) obtains the environmental information for being presently in environment.
In the specific implementation, environmental information includes environment bright angle value, uitraviolet intensity value, reference object, shooting background etc.,
The embodiment of the present invention does not limit.
In the specific implementation, after user terminal enters camera camera application, the user terminal can obtain it and work as first
The environmental information of preceding local environment, to judge to be shot using big visual angle camera or using the shooting of standard camera head.
Step 22) judges to whether there is the environmental information in the history environment information of the big visual angle camera of startup.
In the specific implementation, after getting the user terminal and being presently in the environmental information of environment, the user terminal meeting
It whether there is the environmental information in the history environment information for the big visual angle camera of startup for judging to prestore, if it does, just
Start big visual angle camera to be shot；If it does not, the user terminal does not do any operation.
For example, the shooting background of its local environment got when user terminal is a certain scenery or building type
When, the user terminal can judge whether include the scenery, Huo Zhecun in the scenery of the big visual angle camera of former startup of storage
Whether include building classification in the reference object of the big visual angle camera of former startup of storage, if it is, the user terminal is just
Big visual angle camera can be started to be shot.
And as an example it is assumed that after user terminal gets the brightness values of current environment, the user terminal can judge
Whether current brightness values are more than the brightness threshold value prestored, are clapped if it does, just starting big visual angle camera
Take the photograph, if it is lower, being shot with regard to starting standard camera head.Can also judge current environment bright angle value whether with depositing
One of brightness values in the history environment information of the big visual angle camera shooting of startup of storage are same or like, if it is,
Shot with regard to starting big visual angle camera.
Step 23) starts big when the environmental information in the history environment information for judging to start big visual angle camera be present
Visual angle camera is shot.
In the specific implementation, when the ring being present in the history environment information that the user terminal is judged to start big visual angle camera
Environment information, then the user terminal will start big visual angle camera and be shot.Shot starting big visual angle camera
Before, the user terminal can control the big visual angle camera to gather the reference object in its angular field of view, and in the user terminal
Display interface on show the preview image collected.
According to this feature information, identify the preview image works as front-distortion grade for S202, the user terminal.
When S203, the grade that distorts in this prior are more than default distortion grade, the user terminal is according to should front-distortion grade
Determine target shooting visual angle.
As a kind of feasible embodiment, the user terminal identify the preview image when front-distortion grade it
Afterwards, the current shooting visual angle of the big visual angle camera can also be determined according to front-distortion grade is deserved, its concrete mode can wrap
Include following steps：
Step 31) obtains positional information of the target distorted region in the preview image.
In the specific implementation, after user terminal determines the target distorted region of the preview image, the target can be obtained
Positional information of the distorted region in the preview image.Wherein, the positional information can account for the preview including the target distorted region
The area percentage of image, the distance and orientation of the central point of the target distorted region away from the preview image etc., the present invention are real
Example is applied not limit.Such as, the target distorted region is at the upper left side 4cm of the preview image, or the target distorted region exists
At the lower right 4.3cm of the preview image, these can be referred to as positional information of the target distorted region in the preview image.
Step 32) is believed using the positional information and when front-distortion grade is foundation, with reference to the inquiry of preset relation table with the position
Cease and deserve front-distortion grade corresponding shooting visual angle simultaneously.
In the specific implementation, user terminal can prestore the relation table of distortion grade, positional information and shooting visual angle,
After the user terminal gets positional information of the target distorted region in preview image, the preview image can be combined
(i.e. the target distorted region) works as front-distortion grade, finds out while with the positional information and when front-distortion grade is corresponding
Shooting visual angle.
For example, the target distorted region is at the upper left side 4cm of the preview image, the distortion of the target distorted region
Grade be the preview image when front-distortion grade be four, found from table with the positional information and deserve front-distortion grade it is same
When corresponding shooting visual angle be 140 degree.
The shooting visual angle is defined as the current shooting visual angle of the big visual angle camera by step 33).
In the specific implementation, when find with the positional information and deserve front-distortion grade simultaneously corresponding shooting visual angle, this
The shooting visual angle can be defined as the current shooting visual angle of the visual angle camera by user terminal.
As another feasible embodiment, the user terminal determines that the big visual angle images according to front-distortion grade is deserved
The concrete mode at current shooting visual angle of head can also be：
Because the positional information of the target distorted region can determine the preview image shared by the target distorted region
Ratio, you can determine that reference object and the central point of plane where the big visual angle camera are formed in the target distorted region
Angle.If the distortion bigger grade of the target distorted region, illustrate the reference object of the target distorted region closer to this
The critical point of the maximum shooting visual angle of big visual angle camera.And the distortion grade of the target distorted region is smaller, illustrate the target
Maximum shooting visual angle of the reference object of distorted region away from the big visual angle camera is more remote.Therefore, the user terminal can basis
The distortion grade (i.e. the preview image work as front-distortion grade) of the target distorted region and the target distorted region are pre- at this
The positional information of image of looking at calculates the current shooting visual angle of the big visual angle camera.
Optionally, the user terminal determines that the concrete mode at the current shooting visual angle of big visual angle camera can also be：
Laser is launched to different angle using laser focusing, the CMOS in big visual angle camera is partly led
The above-mentioned big visual angle shooting of laser identification that body (Complementary Metal-Oxide-Semiconductor, CMOS) receives
Used current shooting visual angle when head is acquired to reference object.
Can be specifically that in running order angle is judged according to the CMOS laser received, and will be in running order
Angle gathers shooting visual angle used in the preview image as above-mentioned big visual angle camera, wherein, in running order angle
Degree is the angle that the laser of transmitting can be received by CMOS.
Optionally, the step of current shooting visual angle of the big visual angle camera of above-mentioned determination, can also include：
Reference object is dodged using flash lamp when being acquired using above-mentioned big visual angle camera to reference object
Light, according to the current shooting visual angle for being determined above-mentioned big visual angle camera in preview image by the region of flash fire.
Above-mentioned reference object can specifically be glistened using flash lamp, and identified in preview image by flash fire
Region, the current shooting visual angle of above-mentioned big visual angle camera is determined according to the region.Because flash lamp is fixed angle, this
If in sample preview image by flash fire region extremely at the edge of image, illustrate above-mentioned big visual angle camera collection
Shooting visual angle used in preview image is less than or equal to the angle of flash lamp, when in preview image by flash fire extremely
Region illustrates that shooting visual angle used in above-mentioned big visual angle camera collection preview image is more than and dodged at the intermediate region of image
The angle of light lamp.
Optionally, the step of current shooting visual angle of the big visual angle camera of above-mentioned determination, can also include：
The current shooting of big visual angle camera is determined according to the corresponding relation of adjusting parameter set in advance and shooting visual angle
Visual angle.
Can be specifically the corresponding relation that parameter and shooting visual angle are adjusted by experiment, such as：Measure in advance
When which adjusting parameter big visual angle camera be in, measure the shooting visual angle of big visual angle camera, so as to generate adjusting parameter and
The corresponding relation of shooting visual angle.So understand that the current shooting for determining the big visual angle camera regards according to the corresponding relation can
Angle.Furthermore it is also possible to the adjustment interface using shooting visual angle as display data is shown in the adjustment interface of big visual angle camera,
So as to which user can rapidly adjust shooting visual angle in the interface.
S204, the user terminal show the Viewing-angle information of the target shooting visual angle in the preview image.
As a kind of feasible embodiment, the user terminal shows regarding for the target shooting visual angle in the preview image
During angle information, the Viewing-angle information at the big visual angle camera current shooting visual angle can also be shown.User can so be facilitated
To understand current viewing angles information, while it is also knows about needing the viewing angles information adjusted so that user is to photographing information
Becoming apparent from so that can be selection current shooting viewing angles or selection target as needed when user shoots next time again
Shooting visual angle is shot, and lifts Consumer's Experience.
As another feasible embodiment, the user terminal can also be in the target distorted region of the preview image
Show the distortion information of the target distorted region.
In the specific implementation, when the user terminal determine to distort grade reach default distortion grade target distorted region it
Afterwards, the user terminal can also show the distortion letter of the distorted region in its preview image on corresponding target distorted region
Breath, it that is to say the distortion degree for showing the target distorted region.So user can be facilitated to understand each distorted region at any time
Distortion situation so that user targetedly adjusts the acquisition parameters of big visual angle camera, more filled it up with so as to shoot
The photo of meaning.
The current shooting visual angle of the big visual angle camera is adjusted to target shooting visual angle by S205, the user terminal.
In the embodiment of the present invention, when user terminal determines the current shooting visual angle of the big visual angle camera, and determination
After needing the target shooting visual angle that adjusts, the current shooting visual angle of the big visual angle camera can be adjusted to mesh by the user terminal
Mark shooting visual angle.
S206, the user terminal control the big visual angle camera to be shot with the target shooting visual angle, obtain shooting figure
Piece.
In the embodiment of the present invention, when user terminal by the shooting visual angle of big visual angle camera be adjusted to target shooting visual angle it
Afterwards, the user terminal can controls the big visual angle camera to be shot with the target shooting visual angle, so as to obtain one
Open shooting picture.
The Viewing-angle information of the target shooting visual angle is added in the shooting picture by S207, the user terminal.
In the embodiment of the present invention, when user terminal controls big visual angle camera to be shot with the target shooting visual angle
After picture, the Viewing-angle information that can will shoot the target shooting visual angle of the big visual angle camera of the shooting picture is added to the shooting
In picture, during so that user checking the shooting picture in the later stage, current photographing information can be apparent from.It can also use
When the shooting picture is shared away, other users are apparent from its photographing information at family, so as to enter according to the photographing information
Row shooting.
As a kind of feasible embodiment, if some regions of the shooting picture also have distortion, the user is whole
The distortion information in the region can also be added in the shooting picture by end.If the effect of the shooting picture is fine, then should
After user or other users when being shot using big visual angle camera, acquisition parameters can be targetedly adjusted,
So as to reach identical shooting effect.Be advantageous to photo to share.
It can be seen that in the method described by Fig. 2, user terminal can also show that this is abnormal in the distorted region of preview image
Become the distortion information in region, user can be made to be apparent from current distortion when checking acquisition parameters in preview image
Information, so as to select suitable acquisition parameters or suitable distortion effect to reach more preferable shooting effect.And use
Family views current shooting visual angle in preview image and knows that needs adjust bat with what after target shooting visual angle, can be will be apparent that
The direction of parameter is taken the photograph, so as to shoot satisfied picture faster, improves shooting efficiency.Further, user terminal exists
Shooting visual angle information is added among the picture shot, the Information Sharing can be gone out, other users can be in the bat
Take the photograph under visual angle and shoot the picture of same effect.
Referring to Fig. 3, Fig. 3 is a kind of structural representation of user terminal disclosed in the embodiment of the present invention, for execution
State preview image processing method.Wherein, the user terminal 300 can include but is not limited to smart mobile phone (such as Android phone,
IOS mobile phones etc.), tablet personal computer, palm PC and mobile internet device (Mobile Internet Devices, MID),
Personal digital assistant (Personal Digital Assistant, PDA), media player, intelligent television, intelligent watch, intelligence
Energy glasses, Intelligent bracelet etc., and the user terminal 300 is configured with big visual angle camera.As shown in figure 3, the user terminal 300 can
With including：
Acquisition module 301, the characteristic information of the preview image for obtaining big visual angle camera collection.
In the embodiment of the present invention, big visual angle camera refers to the angle of camera lens, that is, the scope irradiated, angle lenses
Bigger, visual range is bigger, while effectively visual range is smaller.Angle lenses refer to the bottom of video camera range of exposures to most
Angle degree of the upper end using camera lens as a segment angle of centre point.Wherein, the visual angle of big visual angle camera is more than mark
Quasi- camera, focal length phrase standard camera head, and visual angle are less than fish-eye camera, focal length length and fish-eye camera.Big visual angle is taken the photograph
As head is relatively adapted to clap the photo that scene is larger, visual angle is wider, such as building, landscape, more people group photo.
In the embodiment of the present invention, before controlling big visual angle camera to be shot, it is big that acquisition module 301 can gather this
Reference object in the camera angular field of view of visual angle, the preview image in big visual angle camera imaging region is obtained, and obtain and be somebody's turn to do
The characteristic information of preview image.Wherein, the characteristic information of the preview image can include but is not limited to the shape of image, image slices
Geometric position information of the location distribution information of vegetarian refreshments, the size of image and image etc..
Identification module 302, for this feature information obtained according to above-mentioned acquisition module 301, identify the preview image
When front-distortion grade.
In the embodiment of the present invention, after acquisition module 301 gets the characteristic information of the preview image, identification module
302 can be contrasted with the characteristic information of the picture shot by standard camera head, so as to identify the abnormal of the preview image
Change degree, the corresponding distortion grade of multiple distortion degrees.Therefore, identification module 302 can be according to the distortion of the preview image
Degree works as front-distortion grade determine the preview image.Distortion grade as corresponding to distortion degree is 60%~75% is
Four.
Optionally, identification module 302 can be when front-distortion grade according to what this feature information identified the preview image：Choosing
Target distorted region is taken, and identifies the distortion grade of target distorted region, regard the distortion grade of the target distorted region as this
Work as front-distortion grade with preview image.It can also be：According to this feature information, the feature with the picture of standard camera head shooting
Information is contrasted, and the region being distorted so as to obtain whole preview image accounts for the area of the preview image, works as occupied area
During more than certain threshold value, the distortion degree of distorted region being distorted just is identified, ask the distortion degree of regional to be averaged
Value, as the distortion degree of the preview image, then determines the current abnormal of the preview image further according to the distortion degree
Become grade.
Determining module 303, distortion grade is preset when front-distortion grade is more than for what above-mentioned identification module 302 identified
When, determine target shooting visual angle according to front-distortion grade is deserved.
In the embodiment of the present invention, when identification module 302 identify the preview image when front-distortion grade after, determine mould
Block 303 determines whether to work as whether front-distortion grade is more than default distortion grade, if it does, just basis deserves front-distortion grade
Target shooting visual angle is determined, if it is lower, just being shot to deserve shooting visual angle corresponding to front-distortion grade.Wherein, preset
Distortion grade can be understood as：Distortion below the default distortion grade, can be carried out to these distortion in the prior art
Correction；And the distortion more than the default distortion grade, it can not be temporarily corrected in the prior art, then, pre-
After image of looking at reaches more than default distortion grade, only just it is avoided that by adjusting the acquisition parameters of big visual angle camera.
In the embodiment of the present invention, it is Target To Film Distance that the big visual angle camera presets the distance between reference object with this
When, the distortion grade of the image of the big visual angle camera collection is less than default distortion grade.
In the embodiment of the present invention, determining module 303 can slowly be adjusted when front-distortion grade is more than default distortion grade
Whole shooting visual angle, such as slowly increase shooting visual angle, distortion will not be produced in big visual angle camera by falling the default reference object
In angular field of view.Can find in this way can make the less shooting visual angle of distortion grade of preview image, as mesh
Mark shooting visual angle.Determining module 303 will can also currently adjust obtained shooting visual angle and distortion grade while store, with
Continue after an action of the bowels and directly find out suitable shooting visual angle from the shooting visual angle of storage and distortion hierarchical relationship when needs.
Optionally, the target shooting visual angle can refer to a visual angle angle, it is generally the case that in the abnormal of the preview image
Become grade to be more than after default distortion grade, want to make the distortion grade be less than default distortion grade, needed the big visual angle
The current shooting visual angle of camera increases certain visual angle angle, and therefore, the target shooting visual angle is generally higher than current shooting
Visual angle；The target shooting visual angle can also refer at the current shooting visual angle for gathering the preview image of the big visual angle camera
On the basis of, it is necessary to which the visual angle difference of adjustment, the embodiment of the present invention do not limit.For convenience, should in follow-up description
Target shooting visual angle refers in particular to visual angle angle, rather than visual angle difference.
Display module 304, for showing the Viewing-angle information of the target shooting visual angle in the preview image.
In the embodiment of the present invention, after determining module 303 determines the target shooting visual angle, display module 304 just exists
When showing preview image, the Viewing-angle information of the target shooting visual angle is shown in the preview image.It is under normal circumstances, it is necessary to larger
During viewing angles, the coverage of camera shooting is smaller.Assuming that determining module 303 is determined when shooting visual angle is 160
Wait, the distortion grade of preview image is more than default distortion grade three, accordingly, it is determined that module 303 will be true according to the distortion grade
Make target shooting visual angle for 180 when, the distortion grade of obtained preview image is less than default distortion grade, then,
Display module 304 will be by the presentation of information of the target shooting visual angle 180 in the preview image.It can give in this way
User's visual information, allows the user to clear shooting visual angle is adjusted in the preview image that target shooting visual angle obtains afterwards
Including the distortion in the region of default reference object will disappear or be reduced to by software correction can come.
For example, when user needs to shoot a building, acquisition module 301 can obtain big visual angle camera pair first
The building is acquired the pixel distribution situation of obtained preview image, is then identified further according to pixel distribution situation
Distorted region in the preview image, identification module 302 are believed further according to the feature for all distorted regions for including the building
What breath determined the preview image is assumed to be four when front-distortion grade, and judges to deserve front-distortion grade four and be more than default distort etc.
Level two.Accordingly, it is determined that module 303 can determine that target shooting shooting visual angle is 190 degree according to front-distortion grade is deserved, 190
Under the shooting visual angle of degree, the distortion grade of the image of the big visual angle camera collection can be less than default distortion grade two.Finally, show
Show that module 304 can be by 190 degree of the target shooting visual angle including on preview image.Therefore, user's can be apparent from by
When shooting visual angle is adjusted to 190 degree, the distortion can for the building shot is avoided or corrected by software mode.
It can be seen that in the user terminal described by Fig. 3, user terminal is obtaining the preview image of big visual angle camera collection
Characteristic information when, can be according to this feature information, identify the preview image work as front-distortion grade, when should front-distortion grade it is big
When default distortion grade, the user terminal can determine target shooting visual angle according to front-distortion grade is deserved, wherein, the big visual angle
When the shooting visual angle of camera is the target shooting visual angle, the distortion grade of the image of the big visual angle camera collection is pre- less than this
If distorting grade, and the target shooting visual angle is shown in preview image.By the embodiment of the present invention, user terminal can be pre-
When image of looking at produces larger distortion, display target shooting visual angle, to prompt user that shooting visual angle is adjusted into target shooting visual angle
The distortion that the picture shot afterwards occurs is smaller, enables a user to disposably shoot satisfied picture, improves and claps
Take the photograph efficiency.
Referring to Fig. 4, Fig. 4 is the structural representation of another user terminal disclosed in the embodiment of the present invention.Wherein, Fig. 4
Shown user terminal 300 is to optimize to obtain on the basis of the user terminal 300 shown in Fig. 3.As shown in figure 4, the user
Terminal 300 can also include：
Adjusting module 305, for the current shooting visual angle of the big visual angle camera to be adjusted into target shooting visual angle.
In the embodiment of the present invention, when user terminal 300 determines the current shooting visual angle of the big visual angle camera, and really
After cover half block 303 determines the target shooting visual angle that needs adjust, adjusting module 305 can be by the current bat of the big visual angle camera
Take the photograph visual angle and be adjusted to target shooting visual angle.
Control module 306, for controlling the big visual angle camera to be shot with the target shooting visual angle, obtain shooting figure
Piece.
In the embodiment of the present invention, regarded when the shooting visual angle of big visual angle camera is adjusted to target shooting by adjusting module 305
After angle, the can of control module 306 controls the big visual angle camera to be shot with the target shooting visual angle, so as to
To a shooting picture.
Add module 307, for the Viewing-angle information of the target shooting visual angle to be added in the shooting picture.
In the embodiment of the present invention, when control module 306 controls big visual angle camera to shoot to obtain with the target shooting visual angle
After shooting picture, add module 307 can be by the visual angle of the target shooting visual angle for the big visual angle camera for shooting the shooting picture
Information is added in the shooting picture, during so that user checking the shooting picture in the later stage, can be apparent from current bat
Take the photograph information.User can also be made, and when the shooting picture is shared away, other users are apparent from its photographing information, so as to
Shot according to the photographing information.
As a kind of feasible embodiment, if some regions of the shooting picture also have distortion, add module
307 can also be added to the distortion information in the region in the shooting picture.If the effect of the shooting picture is fine, then should
After user or other users when being shot using big visual angle camera, acquisition parameters can be targetedly adjusted,
So as to reach identical shooting effect.Be advantageous to photo to share.
In the embodiment of the present invention, above-mentioned identification module 302 can include recognition unit 3021, the first determining unit 3022 with
And execution unit 3023, wherein：
Recognition unit 3021, for the characteristic information got according to acquisition module 301, identify in the preview image at least
One distorted region.
In the specific implementation, when using big visual angle camera collection image, when reference object exceedes the big visual angle camera
During one critical visual angle, the image collected can produce distortion.Wherein, distortion is the same bat shot relative to standard camera head
Take the photograph for object.For example, the true form of a reference object is triangle, when shooting the reference object using standard camera head
Also be triangle, and using big visual angle camera shoot the reference object when may be changing to quadrangle or irregular component
Shape.
In the specific implementation, more than the critical visual angle and the reference object more remote away from the critical visual angle, in the pre- of imaging region
Caused distortion in image of looking at is bigger, more unrepairable；Opposite, more than the critical visual angle and away from the nearer bat in the critical visual angle
Object is taken the photograph, caused distortion is just smaller in the preview image of imaging region, in the prior art to the possibility of the distortion reparation
Property is bigger.
In the specific implementation, after acquisition module 301 gets the characteristic information of the preview image, recognition unit 3021 is just
It can identify distorted region in the preview image according to this feature information, the distorted region can be one or multiple,
Area shared by each distorted region can not be equal or not etc., and the embodiment of the present invention does not limit.
Optionally, recognition unit 3021 identifies at least one distorted region in the preview image according to this feature information
Mode can be：
According to the picture shape of the preview image, each reference object in the preview image is separated, and identifies
Go out the type of each reference object, such as people, animal, landscape, building, article.Then further according to each bat prestored
The location distribution information of the pixel of object type is taken the photograph, judges the position of the pixel of each reference object in the preview image
Whether distribution is different with the position distribution of the pixel of the reference object prestored, if it is, just by the reference object
The different region of pixel position distribution of reference object of the pixel position distribution from prestoring be defined as distorted region.
For example, when identifying that the reference object is behaved, the face and body of people can be readily recognized
The design feature at each position, accordingly, it is possible to by preview image, the face of the reference object and each position of body
The pixel of the location distribution information of pixel and the design feature of the people prestored on pixel is shown in the preview image
Point location distribution information is compared, and sees if there is difference, such as left and right face asymmetry, the shape of arm and the shape of normal arm
Have differences, head, body, the ratio of leg have exceeded normal range (NR) etc..If there is difference, these will be had differences
Region is defined as distorted region.
Optionally, recognition unit 3021 identifies at least one distorted region in the preview image according to this feature information
Mode can also be：
In the photo that standard camera head according to prestoring is shot, the position distribution situation of each pixel, such as pixel
Spacing distance between point and pixel, the gray-value variation trend between pixel etc., picture shape.Then by the preview graph
The position distribution situation of pixel of the location distribution information with prestoring is contrasted between pixel as in, if difference surpasses
Predetermined threshold value is crossed, then the region is defined as distorted region.
Optionally, recognition unit 3021 identifies at least one distorted region in the preview image according to this feature information
Mode can also be：
User terminal 300 has prestored the acquisition parameters of the big visual angle camera, such as reference object in preview image
Distortion will not be produced at 2/3 in central area, and slight distortion can be produced in the annular region between 2/3 to 4/5, and 4/
More serious distortion can be produced in annular region between 5 to 8/9, and can be produced in 8/9 to 1 annular region more tight
The distortion of weight.Therefore, recognition unit 3021 can be according to the regional that preview image is identified such as above-mentioned area distribution information, will
Region in addition to central area at central area such as 2/3 is defined as distorted region, and is further divided according to distortion degree
For multiple distorted regions.
In the specific implementation, the mode of identification distorted region can also include：According to the histogram of the gray value of pixel point
The central point of cloth identification, the distribution of the shape in each region, pixel and the preview image carries out contrasting identification etc., the embodiment of the present invention
Do not limit.
First determining unit 3022, for the distortion information according to target distorted region at least one distorted region,
Determine the distortion grade of the target distorted region.
In the specific implementation, distortion information refers to that the distorted region and non-distorted region compare the distortion calculated afterwards
The distortion degree in region, or distorted position account for percentage of the distorted region etc..Wherein, distortion degree is in image is shown
Distortion level can be turned into, such as cross-color, shape distortion, the embodiment of the present invention do not limit.
In the specific implementation, after recognition unit 3021 identifies at least one distorted region, the first determining unit 3022
Target distorted region can be chosen from least one distorted region, and calculates the distortion information of the target distorted region, so
The distortion grade of the target distorted region is determined further according to the distortion information of the target distorted region afterwards.Wherein, target distorts
The quantity in region can be one, or multiple；When the target distorted region is multiple, each target distorted region
Area be able to can not also be waited with equal；It can be the corresponding distortion grade of polytype distortion information, can also be a kind of
The corresponding distortion grade of the distortion information of type, the embodiment of the present invention do not limit.
Execution unit 3023, the distortion grade of the target distorted region for the first determining unit 3022 to be determined are made
Work as front-distortion grade for the preview image.
In the specific implementation, after the first determining unit 3022 determines the distortion grade of target distorted region, list is performed
What the distortion grade can be defined as the preview image by member 3023 works as front-distortion grade.That is, work as distorted region Zhong Bao
Include default reference object, or during default reference object type identical reference object (as personage), execution unit
3023 can work as front-distortion grade using the distortion grade of the distorted region as the preview image.It is it will be apparent that default including this
The distortion grade of the distorted region of reference object can represent the distortion grade of whole preview image completely, come in this way
Determine the preview image works as front-distortion grade, can not only save user terminal calculation resources, improves computational efficiency.Can be with
In adjustment, just reached by adjusting this fractional distortion region and adjust the effect of whole preview image, equally also improve user
The regulated efficiency of terminal 300.
As a kind of feasible embodiment, above-mentioned first determining unit 3022 can include judgment sub-unit 30221, really
Stator unit 30222 and execution subelement 30223, wherein：
Judgment sub-unit 30221, for for each distorted region, judging to clap with the presence or absence of default in the distorted region
Take the photograph object.
Determination subelement 30222, for default in the presence of this in judging the distorted region in above-mentioned judgment sub-unit 30221
During reference object, the distorted region is defined as target distorted region.
Subelement 30223 is performed, for the distortion information according to the target distorted region, determines the target distorted region
Distort grade.
Specifically, user terminal 300 can preset some reference objects as important reference object, as personage,
Animal, building, sun etc..After recognition unit 3021 identifies at least one distorted region, judgment sub-unit 30221 can pin
To each distorted region, judge with the presence or absence of the default reference object in the distorted region, if it does, indicating that the target
Reference object included in distorted region is important reference object, or is main reference object, and determination subelement 30222 is just
The distorted region is defined as target distorted region.
Specifically, after determination subelement 30222 determines target distorted region, performing subelement 30223 can basis
The distortion information of the target distorted region determines the distortion grade of the target distorted region.
As an example it is assumed that default distortion grade is three, even if photo is shot in distorted region of the distortion grade less than three,
The distorted region can be repaired by later stage software, and the grade that distorts is more than or equal to three distorted region, and the later stage is very
Hardly possible is repaired to it.Therefore, after acquisition module 301 gets the characteristic information of preview image, the meeting of recognition unit 3021
Multiple distorted regions are identified according to this feature information, then judgment sub-unit 30221 can be directed to each distorted region and carry out
Judge, whether the reference object that judging the distorted region includes matches with reference object set in advance such as personage, animal,
If it is determined that when the reference object is personage, the distorted region is just defined as target distorted region by determination subelement 30222.
Then the distortion of the target distorted region will be calculated according to the distortion information of the target distorted region by performing subelement 30223
Grade is four.
Optionally, subelement 30223 is performed according to the distortion information of the target distorted region, determines the target distorted region
The concrete mode of distortion grade can be：The characteristic information of the target distorted region is contrasted with default characteristic information,
Obtain the distortion information of the target distorted region；From default distortion information with obtaining target distortion area in distortion hierarchical relationship
Distortion grade corresponding to the distortion information in domain.
In the specific implementation, when determination subelement 30222 determines target distorted region from least one distorted region
Afterwards, performing subelement 30223 further can be carried out the characteristic information of the target distorted region and default characteristic information pair
Than, the distortion degree of the target distorted region is obtained, has such as distorted 20%, has still distorted 50%, or even distorted 90%, with
And in the target distorted region target distorted region shared by each distorted position percentage.Then further according to prestoring
Distortion information and the distortion grade that the target distorted region is determined in distortion hierarchical relationship.
As an example it is assumed that the reference object that the distorted region includes is part personage's head portrait, and part personage's head
The pixel distributed intelligence of picture and the pixel distributed intelligence phase of the human head picture collected by standard camera head prestored
Than showing that personage's head portrait distortion degree in the part is 45% in the target distorted region, in distortion information and distortion hierarchical relationship
In, the distortion grade corresponding to 1%~30% distortion degree is one, and the distortion corresponding to 31%~50% distortion degree
Grade is two, and the distortion grade corresponding to 51%~65% distortion degree is three.Therefore, performing subelement 30223 can be from
The distortion grade found in distortion information and distortion hierarchical relationship corresponding to 45% distortion degree is two.
In the embodiment of the present invention, above-mentioned acquisition module 301 is additionally operable to obtain the target distorted region in the preview image
Positional information.
In the specific implementation, when the determination subelement 30222 of the first determining unit 3022 in identification module 302 determines that this is pre-
Look at after the target distorted region of image, acquisition module 301 can obtain the target distorted region to be believed in the position of the preview image
Breath.Wherein, the positional information can include the area percentage that the target distorted region accounts for the preview image, target distortion area
Distance and orientation of central point of the domain away from the preview image etc., the embodiment of the present invention does not limit.Such as, the target distorted region
At the upper left side 4cm of the preview image, or the target distorted region is at the lower right 4.3cm of the preview image, these
Positional information of the target distorted region in the preview image can be referred to as.
In the embodiment of the present invention, the user terminal 300 can also include：
Enquiry module 308, what positional information and identification module 302 for being got with acquisition module 301 identified works as
Front-distortion grade is foundation, with reference to preset relation table inquiry with the positional information and deserve front-distortion grade and meanwhile it is corresponding shoot
Visual angle.
In the specific implementation, user terminal 300 can prestore the relation of distortion grade, positional information and shooting visual angle
Table, after acquisition module 301 gets positional information of the target distorted region in preview image, the preview graph can be combined
Work as front-distortion grade as (i.e. the target distorted region), find out while with the positional information and when front-distortion grade is corresponding
Shooting visual angle.
For example, the target distorted region is at the upper left side 4cm of the preview image, the distortion of the target distorted region
Grade be the preview image when front-distortion grade be four, found from table with the positional information and deserve front-distortion grade it is same
When corresponding shooting visual angle be 140 degree.
In the embodiment of the present invention, the shooting visual angle that above-mentioned determining module 303 is additionally operable to inquire enquiry module 308 determines
For the current shooting visual angle of the big visual angle camera.
In the specific implementation, when enquiry module 308 find with the positional information and deserve front-distortion grade simultaneously it is corresponding
The shooting visual angle can be defined as the current shooting visual angle of the visual angle camera by shooting visual angle, determining module 303.
In the embodiment of the present invention, determining module 303 determines the concrete mode at the current shooting visual angle of the big visual angle camera
Can also be：
Because the positional information of the target distorted region can determine the preview image shared by the target distorted region
Ratio, you can determine that reference object and the central point of plane where the big visual angle camera are formed in the target distorted region
Angle.If the distortion bigger grade of the target distorted region, illustrate the reference object of the target distorted region closer to this
The critical point of the maximum shooting visual angle of big visual angle camera.And the distortion grade of the target distorted region is smaller, illustrate the target
Maximum shooting visual angle of the reference object of distorted region away from the big visual angle camera is more remote.Accordingly, it is determined that module 303 can basis
The distortion grade (i.e. the preview image work as front-distortion grade) of the target distorted region and the target distorted region are pre- at this
The positional information of image of looking at calculates the current shooting visual angle of the big visual angle camera.
Optionally, determining module 303 determines that the concrete mode at the current shooting visual angle of big visual angle camera can also be：
Laser is launched to different angle using laser focusing, the CMOS in big visual angle camera is partly led
The above-mentioned big visual angle shooting of laser identification that body (Complementary Metal-Oxide-Semiconductor, CMOS) receives
Used current shooting visual angle when head is acquired to reference object.
Can be specifically that in running order angle is judged according to the CMOS laser received, and will be in running order
Angle gathers shooting visual angle used in the preview image as above-mentioned big visual angle camera, wherein, in running order angle
Degree is the angle that the laser of transmitting can be received by CMOS.
Optionally, the step of current shooting visual angle of the big visual angle camera of above-mentioned determination, can also include：
Reference object is dodged using flash lamp when being acquired using above-mentioned big visual angle camera to reference object
Light, according to the current shooting visual angle for being determined above-mentioned big visual angle camera in preview image by the region of flash fire.
Above-mentioned reference object can specifically be glistened using flash lamp, and identified in preview image by flash fire
Region, the current shooting visual angle of above-mentioned big visual angle camera is determined according to the region.Because flash lamp is fixed angle, this
If in sample preview image by flash fire region extremely at the edge of image, illustrate above-mentioned big visual angle camera collection
Shooting visual angle used in preview image is less than or equal to the angle of flash lamp, when in preview image by flash fire extremely
Region illustrates that shooting visual angle used in above-mentioned big visual angle camera collection preview image is more than and dodged at the intermediate region of image
The angle of light lamp.
Optionally, the step of current shooting visual angle of the big visual angle camera of above-mentioned determination, can also include：
The current shooting of big visual angle camera is determined according to the corresponding relation of adjusting parameter set in advance and shooting visual angle
Visual angle.
Can be specifically the corresponding relation that parameter and shooting visual angle are adjusted by experiment, such as：Measure in advance
When which adjusting parameter big visual angle camera be in, measure the shooting visual angle of big visual angle camera, so as to generate adjusting parameter and
The corresponding relation of shooting visual angle.The current shooting of the big visual angle camera is so determined clearly according to the corresponding relation can
Visual angle.Furthermore it is also possible to adjustment circle using shooting visual angle as display data is shown in the adjustment interface of big visual angle camera
Face, so as to which user can rapidly adjust shooting visual angle in the interface.
In the embodiment of the present invention, above-mentioned display module 305 shows the visual angle of the target shooting visual angle in the preview image
During information, the Viewing-angle information at the big visual angle camera current shooting visual angle can also be shown.Can so it facilitate user can
Understand current viewing angles information, while be also knows about needing the viewing angles information that adjusts so that user to photographing information more
Add sharpening so that can be that selection current shooting viewing angles or selection target are clapped as needed when user shoots next time again
Viewing angles are taken the photograph, lift Consumer's Experience.
In the embodiment of the present invention, above-mentioned display module 305 is additionally operable to show in the target distorted region of the preview image
The distortion information of the target distorted region.
In the specific implementation, when determination subelement 30222 determines that distortion grade reaches the target distortion of default distortion grade
After region, display module 305 can also show the distorted region in its preview image on corresponding target distorted region
Distortion information, it that is to say the distortion degree for showing the target distorted region.User can be so facilitated to understand each at any time abnormal
Become the distortion situation in region, so that user targetedly adjusts the acquisition parameters of big visual angle camera, so as to shoot
More satisfied photo.
In the embodiment of the present invention, acquisition module 301 is acquired what is obtained in the big visual angle camera of acquisition to reference object
Before the characteristic information of preview image, the user terminal 300 can also carry out following operation：
Obtain the environmental information for being presently in environment.
In the specific implementation, environmental information includes environment bright angle value, uitraviolet intensity value, reference object, shooting background etc.,
The embodiment of the present invention does not limit.
In the specific implementation, after user terminal 300 enters camera camera application, the user terminal 300 can obtain first
It is taken to be presently in the environmental information of environment, to judge being to shoot using big visual angle camera or clapped using standard camera head
Take the photograph.
Judge to whether there is the environmental information in the history environment information of the big visual angle camera of startup.
In the specific implementation, after getting the user terminal and being presently in the environmental information of environment, the user terminal 300
It whether there is the environmental information in the history environment information for the big visual angle camera of startup that can judge to prestore, if it does,
Shot with regard to starting big visual angle camera；If it does not, the user terminal does not do any operation.
For example, the shooting background of its local environment got when user terminal 300 is a certain scenery or building
During type, the user terminal 300 can judge whether include the scenery in the scenery of the big visual angle camera of former startup of storage,
Or whether include building classification in the reference object of the big visual angle camera of former startup of storage, if it is, the user
Terminal 300 will start big visual angle camera and be shot.
Again as an example it is assumed that after user terminal 300 gets the brightness values of current environment, the user terminal 300
It can judge whether current brightness values are more than the brightness threshold value prestored, if it does, just starting big visual angle camera
Shot, if it is lower, being shot with regard to starting standard camera head.Can also judge that current environment bright angle value is
One of brightness values in the history environment information of the big visual angle camera shooting of the no startup with storage are same or like, such as
Fruit is just to start big visual angle camera to be shot.
When the environmental information in the history environment information for judging to start big visual angle camera be present, start big visual angle shooting
Head is shot.
In the specific implementation, exist when in the history environment information that the user terminal 300 is judged to start big visual angle camera
The environmental information, then the user terminal 300 will start big visual angle camera and be shot.Enter starting big visual angle camera
Before row shooting, the user terminal 300 can control the big visual angle camera to gather the reference object in its angular field of view, and at this
The preview image collected is shown on the display interface of user terminal 300.
It can be seen that in the user terminal described by Fig. 4, user terminal can also be shown in the distorted region of preview image
The distortion information of the distorted region, user can be made to be apparent from when checking acquisition parameters in preview image current
Distortion information, so as to select suitable acquisition parameters or suitable distortion effect to reach more preferable shooting effect.And
And current shooting visual angle is viewed in preview image by user and after target shooting visual angle, knowing for can will be apparent that needs to adjust
The direction of whole acquisition parameters, so as to shoot satisfied picture faster, improve shooting efficiency.Further, user is whole
End is added among the picture shot by shooting visual angle information, and the Information Sharing can be gone out, and other users can be
The picture of same effect is shot under the shooting visual angle.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly
Enclose, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (12)
- A kind of 1. preview image processing method, it is characterised in that including：Obtain the characteristic information of the preview image of big visual angle camera collection；According to the characteristic information, at least one distorted region in the preview image is identified；It is described at least one distorted region in the preview image is identified according to the characteristic information, according to prestore The acquisition parameters of the big visual angle camera identify the regional of the preview image, determine distorted region, and according to abnormal The distorted region is further divided at least one distorted region by change degree；Target distorted region is chosen from least one distorted region；According to the distortion information of target distorted region at least one distorted region, the abnormal of the target distorted region is determined Become grade；Work as front-distortion grade using the distortion grade of the target distorted region as the preview image；When described when front-distortion grade is more than default distortion grade, according to described when front-distortion grade determines that target shooting regards Angle, wherein, when the shooting visual angle of the big visual angle camera is the target shooting visual angle, the big visual angle camera collection The distortion grade of image is less than the default distortion grade；The Viewing-angle information of the target shooting visual angle is shown in the preview image.
- 2. according to the method for claim 1, it is characterised in that described abnormal according to target at least one distorted region Become the distortion information in region, determine the distortion grade of the target distorted region, including：For each distorted region, judge in the distorted region with the presence or absence of default reference object；If the default reference object in the distorted region be present, the distorted region is defined as target distorted region；According to the distortion information of the target distorted region, the distortion grade of the target distorted region is determined.
- 3. according to the method for claim 2, it is characterised in that the distortion information according to the target distorted region, The distortion grade of the target distorted region is determined, including：The characteristic information of the target distorted region is contrasted with default characteristic information, obtains the target distorted region Distortion information；From the distortion corresponding with the distortion information that the target distorted region is obtained in distortion hierarchical relationship of default distortion information Grade.
- 4. according to the method described in any one of claims 1 to 3, it is characterised in that methods described also includes：Obtain positional information of the target distorted region in the preview image；Using the positional information and it is described when front-distortion grade as foundation, with reference to preset relation table inquiry with the positional information and It is described to work as front-distortion grade corresponding shooting visual angle simultaneously；The shooting visual angle is defined as to the current shooting visual angle of the big visual angle camera；The Viewing-angle information that the target shooting visual angle is shown in the preview image, including：The Viewing-angle information of the target shooting visual angle and the visual angle at the current shooting visual angle are shown in the preview image Information.
- 5. according to the method for claim 4, it is characterised in that methods described also includes：The current shooting visual angle of the big visual angle camera is adjusted to the target shooting visual angle；Control the big visual angle camera to be shot with the target shooting visual angle, obtain shooting picture；The target shooting visual angle is shot in picture added to described.
- 6. according to the method for claim 4, it is characterised in that methods described also includes：The distortion information of the target distorted region is shown on the target distorted region of the preview image.
- A kind of 7. user terminal, it is characterised in that including：Acquisition module, the characteristic information of the preview image for obtaining big visual angle camera collection；Identification module, for according to the characteristic information, identify the preview image to work as front-distortion grade；The identification module includes recognition unit, the first determining unit and execution unit, wherein：The recognition unit, for the characteristic information got according to the acquisition module, identify in the preview image at least One distorted region；The characteristic information got according to the acquisition module, identify at least one in the preview image The acquisition parameters of the big visual angle camera prestored according to distorted region identify each area of the preview image Domain, distorted region is determined, and the distorted region is further divided into by least one distorted region according to distortion degree；From institute State and target distorted region is chosen at least one distorted region；First determining unit, for the distortion information according to target distorted region at least one distorted region, really The distortion grade of the fixed target distorted region；The execution unit, for working as front-distortion etc. using the distortion grade of the target distorted region as the preview image Level；Determining module, for when described when front-distortion grade is more than default distortion grade, according to described when front-distortion grade is true Set the goal shooting visual angle, wherein, when the shooting visual angle of the big visual angle camera is the target shooting visual angle, the big visual angle The distortion grade of the image of camera collection is less than the default distortion grade；Display module, for showing the Viewing-angle information of the target shooting visual angle in the preview image.
- 8. user terminal according to claim 7, it is characterised in that first determining unit include judgment sub-unit, Determination subelement and execution subelement, wherein：The judgment sub-unit, for for each distorted region, judging in the distorted region with the presence or absence of default shooting pair As；The determination subelement, for the default reference object be present in judging the distorted region in the judgment sub-unit When, the distorted region is defined as target distorted region；The execution subelement, for the distortion information according to the target distorted region, determine the target distorted region Distort grade.
- 9. user terminal according to claim 8, it is characterised in that the execution subelement is according to target distortion area The distortion information in domain, the concrete mode for determining the distortion grade of the target distorted region are：The characteristic information of the target distorted region is contrasted with default characteristic information, obtains the target distorted region Distortion information；From the distortion corresponding with the distortion information that the target distorted region is obtained in distortion hierarchical relationship of default distortion information Grade.
- 10. according to the user terminal described in any one of claim 7~9, it is characterised in thatThe acquisition module, it is additionally operable to obtain positional information of the target distorted region in the preview image；The user terminal also includes：Enquiry module, described in the positional information and the identification module for being got with the acquisition module identify When front-distortion grade is foundation, with reference to the inquiry of preset relation table and the positional information and described when front-distortion grade while corresponding Shooting visual angle；The determining module, it is additionally operable to the shooting visual angle being defined as the current shooting visual angle of the big visual angle camera；The display module shows that the concrete mode of the Viewing-angle information of the target shooting visual angle is in the preview image：The Viewing-angle information of the target shooting visual angle and the visual angle at the current shooting visual angle are shown in the preview image Information.
- 11. user terminal according to claim 10, it is characterised in that the user terminal also includes：Adjusting module, for the current shooting visual angle of the big visual angle camera to be adjusted into the target shooting visual angle；Control module, for controlling the big visual angle camera to be shot with the target shooting visual angle, obtain shooting picture；Add module, for the target shooting visual angle to be shot in picture added to described.
- 12. user terminal according to claim 10, it is characterised in thatThe display module, it is additionally operable to show the target distorted region on the target distorted region of the preview image Distortion information.
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| CN107862230B (en) * | 2017-11-14 | 2020-12-22 | 安徽虚境科技有限公司 | Grade determining and inputting method |
| CN109120854B (en) * | 2018-10-09 | 2020-10-23 | 北京旷视科技有限公司 | Image processing method, image processing device, electronic equipment and storage medium |
| CN111093022A (en) * | 2018-10-24 | 2020-05-01 | 西安中兴新软件有限责任公司 | Image shooting method, device, terminal and computer storage medium |
| CN111898436A (en) * | 2020-06-29 | 2020-11-06 | 北京大学 | Multi-target tracking processing optimization method based on visual signals |
| CN111898438A (en) * | 2020-06-29 | 2020-11-06 | 北京大学 | Multi-target tracking method and system for monitoring scene |
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