CN107770454A - A kind of image processing method, terminal and computer-readable recording medium - Google Patents
A kind of image processing method, terminal and computer-readable recording medium Download PDFInfo
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- CN107770454A CN107770454A CN201710792719.7A CN201710792719A CN107770454A CN 107770454 A CN107770454 A CN 107770454A CN 201710792719 A CN201710792719 A CN 201710792719A CN 107770454 A CN107770454 A CN 107770454A
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- target image
- light source
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
Abstract
The invention discloses a kind of image processing method, terminal and computer-readable recording medium, wherein, the image processing method determines physical location of the analog light source in the virtual location in shooting space and subject in space is shot based on target image, then relative position of the analog light source with subject is determined according to virtual location and physical location, analog light source is then determined to the light filling effect of subject based on relative position and the target image through simulating light filling processing is shown.The present invention also provides a kind of terminal and computer-readable recording medium, when carrying out light filling processing to target image, the light filling of analog light source make use of to act on mainly for subject this point, consider the relative position between subject and analog light source, equivalent to corresponding to virtual location " setting " light source in space is shot, allow the target image after image procossing to possess the light supply effect of specialty, improve Consumer's Experience.
Description
Technical field
The present invention relates to image processing field, more particularly to a kind of image processing method, terminal and computer-readable storage
Medium.
Background technology
With the development of terminal technology, fused increasing function in terminal, wherein surely belonging to than more prominent
The shoot function of terminal.For example, in order to allow user to obtain preferably shooting experience by mobile terminal, in the last few years, respectively
Huge improvement has been done in terms of the shooting effect of camera by the manufacturer of big mobile terminal, therefore, present mobile terminal
Shooting ability can compare favourably with part camera.Just because of this, people increasingly get used to using popularity rate it is high and
The mobile terminal of good portability shoots photo, and friend meets, travels outdoors, even shares the moment such as family is daily of oneself
It will use and arrive mobile terminal.
But user's specialty shooting experience of desired acquisition in shooting not only requires the capture apparatus of specialty, in addition to specially
The photographed scene of industry, photographed scene referred to herein include the shooting atmosphere built by modes such as polishings.It is well known that carry out
During shooting, shooting light influences significantly on shooting effect, and good light environment can not only rightly show Target Photo
The readability of middle details, but also the creation idea of photographer can be expressed.Although brightness regulation work(is provided in existing terminal
Can, user is allowed in shooting or after shooting completion, and brightness of image ginseng is carried out to preview screen or the picture for having shot completion
Number adjustment, so as to lift the overall brightness of image, but the light in Professional Photography is not merely integrally bright in order to lift picture
Degree, but wished to embody photographer by the ratio of bright areas on subject and shadow region, position, scope etc.
The details for hoping spectators really focus on.But, for domestic consumer, light controller of specialty etc. can not possibly be configured at any time substantially,
So no matter how the shooting pixel of terminal etc. improves, user is difficult to obtain perfect shooting experience, shooting gained picture all the time
Also the difficult shooting idea for really embodying user.
Therefore, need badly now and a kind of image procossing scheme is provided, to allow domestic consumer can be whenever and wherever possible using eventually
End obtains professional photography experience, creates the photographs that can express oneself shooting idea.
The content of the invention
The technical problem to be solved in the present invention can only integrally carry out brightness in conventional images processing scheme for image
Regulation, processing gained image is caused not possess the desired light filling effect of user, Consumer's Experience is low, for the technical problem, there is provided
A kind of image processing method, terminal and computer-readable recording medium.
In order to solve the above technical problems, the present invention provides a kind of image processing method, described image processing method includes：
Determine virtual location and subject of the analog light source in space is shot in the shooting based on target image
Physical location in space；
Determine the analog light source with the relative of the subject according to the virtual location and the physical location
Position；
Light filling effect of the analog light source to the subject is determined based on the relative position；
Target image after simulation light filling processing is shown according to the light filling effect.
Optionally, it is described that light filling effect of the analog light source to the subject is determined based on the relative position
Before, in addition to：
Setting instruction based on user determines light direction, light extraction type and the amount of light of the analog light source；
It is described to determine that the analog light source includes to the light filling effect of the subject based on the relative position：
Determine to need to carry out brightness enhancing in the target image according to light extraction type, light direction and the relative position
Light filling region；
Determined according to the amount of light of the analog light source enhanced to each pixel progress brightness in the light filling region
Pixel value.
Optionally, it is described that light filling effect of the analog light source to the subject is determined based on the relative position
Including also including：
Determine to need to carry out shade in the target image according to the light extraction type, light direction and the relative position
The shadow region of processing；
After being determined according to the amount of light of the analog light source to each pixel carries out brightness deterioration in the shadow region
Pixel value.
Optionally, it is described to show that the target image after simulation light filling processing includes according to the light filling effect：
Target image after simulation light filling processing and the target image without simulation light filling processing are subjected to split screen display available.
Optionally, it is described according to target image determine subject it is described shooting space in physical location before,
Also include：
The subject in the target image is determined according to the instruction of the object of user；
Or,
Subject is identified in the target image based on image recognition technology.
Optionally, it is described according to the light filling effect show through simulation light filling processing after target image after, in addition to：
Receive the feedback information for the target image that user is directed to after simulation light filling processing；
If the feedback information, which characterizes currently processed obtained target image, meets user's expection, but user needs to do it
When further simulating light filling processing, the current target image is temporarily stored, and deleted at last simulation light filling
The target image kept in during reason；
When the feedback information characterizes currently processed obtained target image and do not meet user's expection, the last time is simulated
Temporary target image is as the target image simulated when light filling is handled next time during light filling processing；
The feedback information characterize user be satisfied with it is currently processed obtain target image when, to the current target figure
As being stored.
Optionally, it is described that virtual location of the analog light source in space is shot is determined based on target image, including：
The icon specification of analog light source described in instruction and the same depth of field of icon specification prestored are set according to user
The corresponding relation of distance determines the depth of field distance of the analog light source, and the depth of field distance is the same object of reference of the analog light source
Distance on depth of field direction, camera or the subject of the object of reference for the shooting target image；
The mould is determined according to the position for setting the icon of analog light source described in instruction on the target image
Intend light source in the plan-position for being taken plane；
Determine that the analog light source is virtual in the shooting space according to the plan-position and depth of field distance
Position.
Optionally, it is described that virtual location of the analog light source in space is shot is determined based on target image, including：
Using subject as object of reference, structure is directed to the three-dimensional system of coordinate in the space that is taken in the target image；
Described according to where position of the icon of the analog light source on the target image determines the analog light source
Virtual location in three-dimensional system of coordinate, the position of the icon of the analog light source on the target image is according to the setting of user
Instruction determines.
Further, present invention also offers a kind of terminal, the terminal to include processor, memory and communication bus；
The communication bus is used to realize the connection communication between processor and memory；
The processor is used to perform one or more program stored in memory, to realize described in as above any one
Image processing method the step of.
Further, present invention also offers a kind of computer-readable recording medium, the computer-readable recording medium
It is stored with one or more program, one or more of programs can be by one or more computing device, to realize
As above the step of image processing method described in any one.
Beneficial effect
The present invention provides a kind of image processing method, terminal and computer-readable recording medium, wherein, this method base first
Actual bit of the analog light source in the virtual location in shooting space and subject in space is shot is determined in target image
Put, relative position of the analog light source with subject is then determined according to virtual location and physical location, based on relative position
Light filling effect of the analog light source to subject is determined, and the target figure after simulation light filling processing is shown according to light filling effect
Picture.This method make use of the light filling of analog light source to act on mainly for being taken pair when carrying out light filling processing to target image
As this point, the processing mode for integrally carrying out brightness enhancing in existing scheme to target image has been abandoned, it is contemplated that be taken pair
As the relative position between analog light source, equivalent to the light for virtual location " setting " is corresponded in space is shot being used for light filling
Source, allows simulation light filling processing to have specific aim so that the light that the target image obtained through simulating light filling processing possesses specialty is mended
Effect is repaid, the cost for allowing user to bear enjoys the photography achievement of specialty anywhere or anytime, improves Consumer's Experience.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is a kind of flow chart for the image processing method that first embodiment of the invention provides；
Fig. 2 is a kind of alternatively target image schematic diagram in various embodiments of the present invention；
Fig. 3 is a kind of User Interface schematic diagram that first embodiment of the invention provides；
Fig. 4 is another User Interface schematic diagram that first embodiment of the invention provides；
Fig. 5 is a kind of display interface schematic diagram of terminal in various embodiments of the present invention；
Fig. 6 is a kind of flow chart for the image processing method that second embodiment of the invention provides；
Fig. 7 is a kind of optional analog light source icon schematic diagram in various embodiments of the present invention；
Fig. 8 is a kind of hardware architecture diagram for the terminal that third embodiment of the invention provides；
Fig. 9 is the hardware architecture diagram for the optional mobile terminal that third embodiment of the invention provides.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
First embodiment：
Image procossing scheme can only integrally carry out brightness regulation to target image in order to solve in the prior art, can not be to quilt
Reference object carries out targetedly light filling and handled, and the problem of causing Consumer's Experience not high, the present embodiment is provided at a kind of image
Reason method, refers to Fig. 1：
S102, based on target image determine that virtual location and subject of the analog light source in space is shot are being shot
Physical location in space.
Target image mentioned here can completed by the shooting of various equipment, stored with form of digital information
Picture, for example, being finished and stored in the photo in smart mobile phone memory by smart mobile phone shooting, user can open mobile phone
Any one pictures and target image of the terminal using the picture as pending image procossing is allowed in photograph album；In another example target figure
Seem the picture from network, be the picture shared by friend by user by being obtained in social networks.But, except
Shooting and digitize beyond the picture of storage through completion, the signified target image of the present embodiment, which can also be, to be shot, but still
The image of completion, such as the image for being gathered by camera and being presented in real time in terminal preview screen are not shot, as shown in Figure 2.
User can be in the subject in Fig. 2 --- and when personage 21 shoots, control terminal-pair is performed in the present embodiment
Image processing method carries out light filling processing to the personage 21 being taken in preview screen.So at image in the present embodiment
Reason device can carry out image procossing to the picture for having been taken completing, and preview image can also be carried out in shooting process
Processing.
Simple illustration is done to " the shooting space " in the present embodiment below：Although target image is plane, mesh
Subject is necessarily in locus in logo image, so in other words, shooting space is exactly in subject
When being imaged in the target image, the space residing for subject.Shooting space includes the space of imaging in the target image, but
Not merely it is to be made up of the space that is taken.Because among common shooting, light source, the reflector of light controller's setting, with
And the equipment such as air blower of field work is all without entering mirror, but these equipment are all in shooting space, and more or less from difference
Aspect impacts to the imaging effect in the space that is taken residing for subject.So similarly, the mould in the present embodiment
Intend the virtual location residing for light source and be also not necessarily some visible position in target image, but the light of analog light source " sending "
The visible space that is taken in target image can be influenceed.
Terminal carries out light filling processing using analog light source to subject in target image in the present embodiment, is substantially
Assuming that setting light source on some locus in space is shot, and calculate when light source be present on the locus, the light
Optical effect when source is imaged to subject, so as to simulate corresponding optical effect.But in fact, really to being clapped
When taking the photograph object and being shot, on additional space position and light source is not present, so the present embodiment will be used to determine optical effect, mould
The light source for intending optical effect is referred to as " analog light source ".
Different with the illusory existing property of analog light source, the subject in the present embodiment is carrying out target image shooting
When be really be it is existing, and subject be in be taken in space, from target image." quilt in the present embodiment
Reference object " is primarily referred to as the agent object in target image because in the target image, while pictaresque object have it is multiple,
From broadly, these objects all should be subject, but in fact, the light filling in the present embodiment is handled only for mesh
Agent object in logo image.The location of subject is referred to as " physical location ", and no matter target image is to have been taken
The picture of completion, shooting is still not yet completed, the image being in preview picture frame, physical location can be by terminal according to quilt
The dimension scale shared in the target image of reference object and the resolution ratio of target image etc. are calculated.If for example, terminal
Determine that the resolution ratio of target image is equal to original resolution, then illustrate the target image without reducing, it is possible to direct basis
Scale of the subject in this target image, calculated with reference to the relation between object distance in optical imagery and imaging size
Go out object distance, i.e. distance of the subject apart from camera.It should be appreciated that the position for three dimensions is, it is necessary to three
Coordinate value just can determine that, and subject is apart from the coordinate value that the distance of camera is actually on depth of field direction, for quilt
The coordinate of reference object in the horizontal and vertical directions, it can be determined based on the position of subject in the target image.
And for shooting but not yet completing the preview screen of shooting, determine the physical location of subject
When, it can not only be counted according to the dimension scale shared in the target image of subject and the resolution ratio of target image etc.
Calculate and obtain, but also can be determined by infrared distance measurement technology or supersonic sounding technology.In a kind of example of the present embodiment
Central, all target image, either shooting complete what is still not yet completed, and infrared survey can be first passed through during shooting
Physical location is now determined away from technology or supersonic sounding technology, and the physical location and target image are associated storage,
Ensure that terminal when carrying out image procossing to target image, can be directly obtained the physical location of subject.
It is unambiguously to determine subject before physical location in shooting space, terminal should be determined first
Which subject is in target image.The present embodiment provides such two ways so that terminal determines from target image
Subject.The first, issues object instruction, to inform being taken pair in terminal current target image from user to terminal
As if which.This mode is suitable for working as the situation for having multiple objects in target image.Such as Fig. 3, the target image is mainly
In order to protrude personage 31, but there are many other incoherent people in the behind of personage 31 in activity.In this case, terminal
It is the personage that is taken for needing to carry out image procossing that possibly can not accurately determine which personage, so, user can pass through end
The user input unit at end issues object instruction to terminal, for example, the mode in user's reference picture 3 is carried out to the face of personage 31
Striking, to inform that personage 31 is subject.
Among another example of the present embodiment, terminal directly can be from target image by image recognition technology
Subject is identified, this mode, which is used between subject and image background, distinguishes obvious situation.Pass through this
Kind mode, user need not specify subject manually, and terminal can automatically identify subject, more intelligently, use
Family experience can also improve therewith.
Among a kind of example of the present embodiment, terminal, can be by above two side it is determined that when subject
Formula is combined, i.e., when distinguishing obvious between subject and background, automatically identifies subject；But if terminal
It is difficult that subject is distinguished from background image by judging to determine, then directly user can be asked manually to refer to
Determine subject, terminal can refer to Fig. 4 User Interface and ask object instruction to user, and user is seeing that terminal passes through
After prompting shown in display panel, touch-control clicking operation can be carried out to the subject in target image according to prompting.
For the virtual location of analog light source, can be determined by terminal oneself：For example, terminal can be true by preset algorithm
Making which region of subject in target image needs to carry out light filling processing, and carrying out corresponding light filling processing needs at which
Locus sets analog light source., can be by the position of User Defined analog light source but under more situations.For example,
Among some examples of the present embodiment, terminal determines that analog light source is virtual in space is shot according to the setting instruction of user
Position.Because target image is to imaging of the space in plane that be taken, so in follow-up statement, imaging plane is referred to as
" be taken plane ".User when to terminal instruction simulation light source virtual location, can by directly by pull etc. in a manner of will
The icon of analog light source is placed in the target image, and such analog light source is (i.e. target image width) and vertical in the horizontal direction
Nogata is to the position can direct basis analog light source icon position in the target image of (i.e. the length direction of target image)
Put and determine, namely analog light source is the plan-position for the plane that is taken can its position in the target image be true with direct basis
It is fixed.But position of the analog light source in space is shot is a three-dimensional position, so, terminal also needs to further determine that simulated light
Position of the source on depth of field direction, i.e. distance of the analog light source apart from camera.In the present embodiment, user can pass through simulation
The size of light source icon, shape etc. characterize position of the analog light source on depth of field direction.For example it is assumed that the icon of analog light source
It is circular, and circular diagram target size can characterize analog light source on depth of field direction apart from the depth of field distance of camera.Example
Such as among a kind of example of the present embodiment, terminal storage has corresponding relation of the depth of field distance with icon radius, as shown in table 1：
Table 1
| Icon radius (mm) | Depth of field distance (m) |
| 3~10 | 1 |
| 10~20 | 2 |
| 20~30 | 3 |
| …… | …… |
Among table 1, the depth of field distance of analog light source is characterized by the icon size of analog light source, but in the present embodiment
Other examples among, the form of storage can also be the corresponding relation between other specifications parameters of icon and depth of field distance,
Such as color, icon shape or the Icon Color of icon are combined with icon shape.For other icon specifications parameters and the depth of field
Corresponding relation between distance, is repeated no more here.
Analog light source is obtained in the depth of field on depth of field direction of the plan-position for the plane that is taken and analog light source apart from it
Afterwards, terminal can determine the virtual location of analog light source.
S104, relative position of the analog light source with subject is determined according to virtual location and physical location.
Terminal is determined after the virtual location of analog light source and the physical location of subject, it may be determined that goes out simulation
Among relative position between light source and subject, such as a kind of example, terminal determines that analog light source is arranged on and clapped
Take the photograph object two direction, the distance apart from subject is 2m, and the setting height and subject of analog light source
Vertical facial dimension it is equal.
It should be appreciated that the physical location of subject and the virtual location of analog light source are calculated in above-mentioned example
When, it is that reference origin is used as using the camera of photographic subjects image.But in fact, among some examples of the present embodiment,
Terminal can also be using the physical location where subject as reference origin, it is then determined that the virtual location of analog light source.
Under this situation, terminal can also obtain the physical location of subject, but the D coordinates value of the physical location is
(0,0,0).Certainly, if terminal storage analog light source specifications parameter is the same as the corresponding relation between depth of field distance, the scape
Deep distance should be the same reference origin of analog light source --- the distance between subject, and is no longer that analog light source is same and images
Depth of field distance between head.So under this situation, may also there are the value more than 0 and the value less than 0 in depth of field distance.
S106, light filling effect of the analog light source to subject is determined based on relative position.
It should be appreciated that when carrying out polishing to a certain object, the direction of polishing, the brightness of light source, light source the application
The factor such as poly- scattered degree can all influence final light filling effect.So it is determined that before light filling effect, terminal should be determined first
Go out these parameter values.Obtain analog light source relative to subject relative position and analog light source light direction, go out
After the parameter such as light type and amount of light, terminal can determine light filling effect of the analog light source to reference object.In this implementation
Among a kind of example of example, which terminal is assured that out in target image according to light direction, light extraction type and relative position
A little regions are the light filling regions for needing to carry out light filling processing, and the pixel in light filling region is then calculated according to the amount of light of analog light source
Value, and then determine light filling effect of the light filling region after light filling is handled.
Among a kind of example of the present embodiment.The parameter values such as the light direction of analog light source, light extraction type, amount of light are all
It is fixed, for example, there is the light extraction that Terminal Design personnel first set out acquiescence in the production design phase according to substantial amounts of empirical value
The parameter values such as direction, light extraction type, amount of light.But more implementing among example, above-mentioned parameter can be by user by setting
Instruction is put to be indicated to terminal, that is to say, that the light direction of analog light source, light extraction type, amount of light etc. can by with
The self-defined setting in family.
For example, the light direction for analog light source：The icon of each analog light source carries a sign light extraction
The arrow in direction, user can while analog light source virtual location is set rotary simulation light source light direction so that mould
The light direction for intending light source reaches the expection of oneself.In addition, user also can also input to go out expected from oneself by other means
Light direction, such as directly input to characterize angle value of light direction etc..User is by way of input angle angle value to terminal
In the scheme of instruction simulation light source light direction, more accurate light direction can be obtained, and will to light direction in user
In the case of asking not strict, it can bring user using the mode of Rotating icon and more intuitively experience.
In addition, user can select the different analog light source of degree of concentration come mould according to oneself current image processing requirements
Intend polishing, while be also an option that the different analog light source of amount of light to carry out light filling processing to subject.This just as
Light controller's lamp that power, degree of concentration etc. can be selected different in shooting team come for subject polishing it is the same.At this
Among example, light extraction type, light direction, amount of light and its analog light source distance that analog light source is obtained when terminal are taken
After relative position between object, terminal can determine need in target image according to light extraction type, light direction and relative position
The light filling region of brightness enhancing is carried out, is then determined to carry out brightness enhancing to each pixel in light filling region according to amount of light
Pixel value afterwards.
S108, according to light filling effect show through simulation light filling processing after target image.
, can will be through according to light filling effect after terminal determines to carry out the light filling effect of light filling processing for subject
Target image after light filling processing is shown, so that user understands the result of present image processing.Moreover, in this implementation
In example, user current target image can also be further processed according to the light filling effect shown, such as readjust
The virtual location of analog light source, the light extraction type for reselecting analog light source, light direction, amount of light etc., until drawing user
Untill the processing result image of oneself satisfaction.
Among a kind of example of the present embodiment, terminal can show the target image after light filling is handled to user
Meanwhile the original target image without light filling processing also is shown to user, allow user to understand the difference before and after image procossing, so as to
Can be more targeted in subsequent processes.Original target image and target image through processing can be by the way of split screens
It has been shown that, as shown in figure 5, original target image is shown on the top of terminal display screen, and the bottom of display screen is shown
The target image obtained after treatment.Certainly, if terminal has multiple display screens, can also show on different display screens
Show the target image in different disposal stage.
The image processing method that the present embodiment provides, under the situation of unprofessional light processing, by way of simulation
" setting " analog light source at the virtual location in shooting space, and the analog light source is simulated to subject in target image
Optical effect, so as to obtain the optical effect as during with really setting respective sources, allow user can be big without expending
Professional image taking effect is obtained while the human cost and fund cost of amount, improves Consumer's Experience.
Second embodiment：
The present embodiment will continue that the image processing method in first embodiment is introduced, below it is shown in Figure 6
The flow chart gone out：
S602, terminal receive the object instruction of user, and determine the subject in target image.
First, it is assumed that the target image for needing to carry out simulating light filling processing in the present embodiment is the figure for having been taken completing
Piece.After user selects the picture as target image, object instruction letter can be issued to terminal by user input unit
Breath, to inform that terminal simulation light filling handles targeted object.User can by touch panel or other input equipments to
Terminal issues object instruction.Certainly, terminal can also be as first embodiment be introduced, by image recognition technology come really
Determine subject.
S604, terminal receive user and set instruction, and determine the relevant parameter of analog light source.
After user issues object instruction to terminal, setting instruction can be sent to terminal, to inform that terminal should incite somebody to action
Which position analog light source is arranged on, from light direction of what type of analog light source and analog light source etc..It should manage
These relevant parameters of analog light source can be carried and be handed down to terminal in a setting instruction by solution, user, can also
Different relevant parameters is indicated to terminal by different setting instructions.
Alternatively, the instruction in the present embodiment to analog light source light direction is still using the side of rotary simulation light source icon
Formula is carried out.In addition, also include the light extraction type of analog light source in the setting instruction that user issues to terminal, such as gathering for analog light source
Light path degree, the amount of light of analog light source.Because the light source of different-colour has different optical effects to subject, therefore,
In the present embodiment, user goes out light color temperature to what the setting instruction that terminal issues also can indicate that analog light source, so as to terminal more
Accurately calculate after " polishing " of the analog light source, the pixel value of each pixel of subject in target image.Refer to
Fig. 7.A kind of icon of analog light source is shown in Fig. 7, in the icon, the signified direction of arrow is the light extraction side of analog light source
To；The characterization of the icon analog light source goes out light color temperature；The size of icon then characterizes the degree of concentration of analog light source,
Icon is smaller, and sign degree of concentration is better, conversely, icon is bigger, then illustrates that the degree of concentration of analog light source is poorer；In addition, this
Embodiment can also characterize amount of light by the shape of icon, i.e., icon of different shapes characterizes different amount of lights.Certainly,
Beyond all doubt, the sign of amount of light also can also by other means, for example, the icon of all analog light sources all has phase
Same shape, user can directly input corresponding light extraction value, then in this case, the icon of same shape may be right
Answer different size of amount of light.
For the determination mode of the virtual location where analog light source, the present embodiment will use a kind of different from the first implementation
The scheme of example is carried out：In the first embodiment, the position of analog light source icon in the target image can only characterize analog light source and exist
Be taken plane terminal two-dimensional position, as position of the analog light source on depth of field direction, it is necessary to rely on analog light source icon
Specifications parameter is determined, but in the present embodiment, terminal directly will be determined to simulate according to the position of analog light source icon
Virtual location of the light source in space is shot.
Terminal can using subject as object of reference, structure be sat for the three-dimensional of the space that is taken in the target image
Mark system, that is to say, that the position where subject is arranged to reference origin.Then, terminal is according to the icon of analog light source
Virtual location in three-dimensional system of coordinate where position on target image determines analog light source.It should be appreciated that it is taken
Imaging is unlikely to be a point to object in the target image, and should be a region for having shape, having size, so,
When needing to establish three-dimensional system of coordinate, the position that terminal can need to carry out light filling processing according to subject is determined
One origin of coordinates.For example, in the case where subject is personage, because that usually require progress light filling processing is user
Face, so, terminal can be established as reference origin using some point of subject face in selection target image
Three-dimensional system of coordinate.
Among the scheme of the present embodiment, terminal without specially obtain subject physical location, this mainly by
In for determining that the three-dimensional system of coordinate of analog light source virtual location is established based on subject position, institute
So that physical location of the subject in the three-dimensional system of coordinate is exactly origin.Therefore, intrinsically, terminal still obtains
The physical location of subject is got.
S606, terminal determine the light filling effect to target image according to the relevant parameter of analog light source.
In the present embodiment, terminal can not only determine light filling region with reference to the introduction in first embodiment, and combine simulated light
The amount of light in source and go out the parameters such as light color temperature and determine the pixel value of each pixel in light filling region, but also can determine whether shadow region
Domain, and in computational shadowgraph region each pixel pixel value.It is understood that in some positions progress to subject
After simulating light filling processing, necessarily there are some regions in target image because have received " light " of compensation, brightness occurs
The effect of enhancing.But meanwhile also cause to occur in target image because some objects block in analog light source and target image
The shadow of corresponding objects, so as to form shade.For example, if analog light source is arranged on the left front of the character face that is taken by user
Side, then occur the projection of its wing of nose in the subregion of the right face of the personage.So in the present embodiment, terminal not only can be true
Light filling region and light filling region are determined through the enhanced pixel value of brightness, but also can be determined according to optics rule because simulating light filling
The shadow region for handling and occurring, and pixel value of each pixel after brightness deterioration in shadow region.
S608, terminal show the target image after simulation light filling processing according to light filling effect.
In the present embodiment, terminal is referred to the introduction of first embodiment, is being shown to user after simulation light filling processing
Target image while, also by original target image split screen display available to user, or, terminal by this simulation light filling handle it
Preceding target image is shown to user with the target image after this simulation light filling processing.
S610, terminal receive feedback information of the user to simulation light filling processing.
, can be according to the result and oneself after user sees the result of terminal-pair target image by display screen
Expected Results to terminal send feedback information, to inform whether terminal oneself is satisfied with to current processing result image.
S612, terminal judge whether user is satisfied with the simulation light filling processing to target image.
After if terminal determined that user has been satisfied by the result to target image according to the feedback information of user, terminal
Currently processed obtained target image can be stored according to the instruction of user, perform S614；Otherwise terminal continues executing with
S602。
S614, terminal are stored current target image.
It should be appreciated that if target image is not the picture for having been taken completing, but adopted in real time by camera
The preview screen collected, the then after feedback information of user, which characterizes user, to be satisfied with to the result of target image, at terminal-pair
Target image after reason is preserved, and the shooting of " actual situation combination " is actually namely carried out to the picture in current preview frame.
Certainly, among other examples of the present embodiment, when terminal determines user to target image processing according to the feedback information of user
After satisfaction, the operation such as network sharing can also be directly carried out to the target image after processing.
The image processing method that the present embodiment provides, employs the mode different from first embodiment to determine simulated light
Source is with the relative position between subject, compared to needing to obtain virtual location and physical location in first embodiment simultaneously
Way, the scheme that the present embodiment provides are simpler.Meanwhile terminal is carrying out simulating light filling processing to target image in the present embodiment
When, further account for shade caused by the processing of analog light source light filling so that the effect of simulation light filling processing is more true to nature, Consumer's Experience
More preferably.
3rd embodiment：
The present embodiment provides a kind of computer-readable recording medium first, and one is stored in the computer-readable recording medium
Or multiple computer programs for being available for memory to read, compile or perform, wherein just including image processing program, the image procossing
Program is available for computing device so as to realize the image processing method provided in first or second embodiments.
Meanwhile the present embodiment also provides a kind of terminal, refers to Fig. 8：Terminal 80 include processor 81, memory 82 and
For connecting the communication bus 83 of processor 81 and memory 82, wherein memory 82 can be stored with Web conference journey to be foregoing
The computer-readable recording medium of sequence.Processor 81 can perform the image processing program in memory 82, so as to realize correspondingly
Image processing method.
The process that is handled target image of image processing program in memory 82 is performed for processor 81, due to the
More detailed introduction has been done in one embodiment and second embodiment, so the present embodiment repeats no more, can directly have been joined
See foregoing teachings.Aforementioned terminals 80 are introduced mainly in combination with specific example below：
Terminal 80 can be implemented in a variety of manners.For example, terminal 80 described in the present invention can include such as mobile phone,
Tablet personal computer, notebook computer, palm PC, personal digital assistant (Personal Digital Assistant, PDA), just
Prompt formula media player (Portable Media Player, PMP), guider, wearable device, Intelligent bracelet, pedometer
Deng mobile terminal, and the fixed terminal such as digital TV, desktop computer.It will be carried out in subsequent descriptions by taking mobile terminal as an example
Illustrate, it will be appreciated by those skilled in the art that in addition to being used in particular for moving the element of purpose, according to the implementation of the present invention
The construction of mode can also apply to the terminal of fixed type.
In follow-up description, the suffix using such as " module ", " part " or " unit " for representing element is only
Be advantageous to the explanation of the present invention, itself there is no a specific meaning.Therefore, " module ", " part " or " unit " can mix
Ground uses.
Referring to Fig. 9, its hardware architecture diagram for a kind of mobile terminal of each embodiment of the realization present invention, the shifting
Dynamic terminal 900 can include：RF (Radio Frequency, radio frequency) unit 901, WiFi module 902, A/V (audio/video)
The parts such as input block 903, sensor 904, display unit 905, user input unit 906, memory 907, processor 908.
It will be understood by those skilled in the art that the mobile terminal structure shown in Fig. 9 does not form the restriction to mobile terminal, it is mobile whole
End can be included than illustrating more or less parts, either combine some parts or different parts arrangement.For example, to the greatest extent
Pipe Fig. 9 is not shown, and mobile terminal 900 can also include bluetooth module, interface unit etc., will not be repeated here.
The all parts of mobile terminal are specifically introduced with reference to Fig. 9：
Radio frequency unit 901 can be used for receiving and sending messages or communication process in, the reception and transmission of signal, specifically, by base station
Downlink information receive after, handled to processor 908；In addition, up data are sent to base station.Generally, radio frequency unit 901
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrate
Frequency unit 901 can also be communicated by radio communication with network and other equipment.Above-mentioned radio communication can use any communication
Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, WCDMA), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, FDD Long Term Evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex Long Term Evolution) etc..
WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 902
Sub- mail, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 9 shows
Go out WiFi module 902, but it is understood that, it is simultaneously not belonging to must be configured into for mobile terminal, completely can be according to need
To be omitted in the essential scope for do not change invention.
A/V input blocks 903 are used to receive audio or video signal.A/V input blocks 903 can include graphics processor
(Graphics Processing Unit, GPU) 9031 and microphone 9032, graphics processor 9031 is in video acquisition mode
Or the static images or the view data of video obtained in image capture mode by image capture apparatus (such as camera) are carried out
Reason.Picture frame after processing may be displayed on display unit 905.Picture frame after the processing of graphics processor 9031 can be deposited
Storage is transmitted in memory 907 (or other storage mediums) or via radio frequency unit 901 or WiFi module 902.Mike
Wind 9032 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 9032
Quiet down sound (voice data), and can be voice data by such acoustic processing.Audio (voice) data after processing can
To be converted to the form output that mobile communication base station can be sent to via radio frequency unit 901 in the case of telephone calling model.
Microphone 9032 can implement various types of noises and eliminate (or suppression) algorithm to eliminate (or suppression) in reception and send sound
Caused noise or interference during frequency signal.
Mobile terminal 900 also includes at least one sensor 904, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 9051, and proximity transducer can close when mobile terminal 900 is moved in one's ear
Display panel 9051 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axles) size of acceleration, size and the direction of gravity are can detect that when static, the application available for identification mobile phone posture
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared ray sensor, will not be repeated here.In the present embodiment, mobile terminal 900
Sonac, infrared sensor etc. can be equipped with to determine distance of the subject apart from camera.
Display unit 905 is used for the information for showing the information inputted by user or being supplied to user.Display unit 905 can wrap
Display panel 9051 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configures display panel 9051.
User input unit 906 can be used for the numeral or character information for receiving input, and produce the use with mobile terminal
The key signals input that family is set and function control is relevant.Specifically, user input unit 906 may include contact panel 9061 with
And other input equipments 9062.Contact panel 9061, also referred to as touch-screen, collect touch operation of the user on or near it
(for example user uses any suitable objects or annex such as finger, stylus on contact panel 9061 or in contact panel 9061
Neighbouring operation), and corresponding attachment means are driven according to formula set in advance.Contact panel 9061 may include touch detection
Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it
Contact coordinate is converted into, then gives processor 908, and the order sent of reception processing device 908 and can be performed.In addition, can
To realize contact panel 9061 using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except contact panel
9061, user input unit 906 can also include other input equipments 9062.Specifically, other input equipments 9062 can wrap
Include but be not limited to physical keyboard, in function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
One or more, do not limit herein specifically.
Further, contact panel 9061 can cover display panel 9051, detect thereon when contact panel 9061 or
After neighbouring touch operation, processor 908 is sent to determine the type of touch event, is followed by subsequent processing device 908 according to touch thing
The type of part provides corresponding visual output on display panel 9051.Although in Fig. 1, contact panel 9061 and display panel
9051 be the part independent as two to realize the input of mobile terminal and output function, but in certain embodiments, can
Input and the output function of mobile terminal are realized so that contact panel 9061 and display panel 9051 is integrated, is not done herein specifically
Limit.
Memory 907 can be used for storage software program and various data.Memory 907 can mainly include storing program area
And storage data field, wherein, storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as
Voice data, phone directory etc.) etc..In addition, memory 907 can include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 908 is the control centre of mobile terminal, utilizes each of various interfaces and the whole mobile terminal of connection
Individual part, by running or performing the software program and/or module that are stored in memory 907, and call and be stored in storage
Data in device 907, the various functions and processing data of mobile terminal are performed, so as to carry out integral monitoring to mobile terminal.Place
Reason device 908 may include one or more processing units；Preferably, processor 908 can integrate application processor and modulatedemodulate is mediated
Device is managed, wherein, application processor mainly handles operating system, user interface and application program etc., and modem processor is main
Handle radio communication.It is understood that above-mentioned modem processor can not also be integrated into processor 908.
For the ease of understanding the present invention, the process of image procossing is described in detail with reference to the mobile terminal 900：
Processing to target image, mainly by the control of processor 908 and processor 908 to miscellaneous part come real
It is existing.The target image that processor 908 is handled in the present embodiment can be from net by radio frequency unit 901 or WiFi module 902
The picture of acquisition is downloaded in network or is photographed and is stored in memory 907 by the camera of A/V input blocks 903
Picture, can also be the image that camera currently collects in real time, but not yet digitlization storage is to the preview in memory 907
Picture.
During image procossing is carried out, processor 908 can be obtained currently processed in real time with control display unit 905
Target image be shown on display panel 9051.User can send object by user input unit 906 to processor 908
Configured information, for example, user directly informs the subject in the target image of processor 908 by striking contact panel 9061
Which is.Other user can also determine the relevant parameter information of analog light source by contact panel 9061, such as pull mould
Intend the icon of light source, so as to set the virtual location of analog light source；The icon of rotary simulation light source, so as to adjust analog light source
Light direction；And amount of light is realized by other means and goes out the setting of light color temperature.Processor 908 is in the setting according to user
Instruction is determined after the relevant parameter information of analog light source, it may be determined that under " irradiation " of analog light source, in Target Photo
Subject will be by which kind of optical effect.
On this basis, the control display unit 905 of processor 908 is shown through simulating at light filling according to corresponding light filling effect
Target image after reason.In the present embodiment, mobile terminal 900 only has a display panel, so processor 908 can control
By the target image split screen display available before and after this simulation light filling processor on display panel 9051.Among other examples, eventually
End possesses the display screen of two and the above, then processor 908, which can control, includes the target image of different phase different
On display screen, without being shown with carrying out subregion on a display screen.
User can be inputted certainly after the target image by simulation light filling processing is seen by user input unit 906
Oneself feedback information.The feedback information of user is mainly to characterize attitude of the user to currently processed obtained target image, and
One kind, user think that " perfection " need not be handled further target image；Second, it is believed that although current result
Meet expection, but still need to further handle；The third, user thinks that current simulation light filling is handled and does not meet expection, such as because
Cause the target image that this processing obtains still not as target image when being handled without this for reasons such as operational errors.For
Currently processed gained can be that is to say that newest target image is carried out at storage by the first feedback information, processor 908
Reason.During then, the target image of storage can also be shared according to the instruction of user.If the user thinks that work as
Preceding result meets expection, but when still needing to further handle, it to target image can also simulate at light filling again
Reason.The present embodiment does not limit number of processes of the user to a target image, does not limit user yet and " sets in the target image
Put " number of analog light source, user can be handled according to oneself demand completely.
In addition, among some examples of the present embodiment, currently processed obtained target image symbol is characterized in feedback information
Family expection is shared, but when user thinks to also need to continue that it is carried out to simulate light filling processing, processor 908 can control storage
Device 907 caches to user to the target image of this simulation light filling processing gained.For example, user is current to target
Image carries out N wheel model quasi-complement light processings, and N-1 treatment effect is all to meet expection before, but further processing of still needing, then
The target image that should be stored with memory 907 after the simulation light filling processing of the N-1 times.User is at n-th simulation light filling
Manage after terminating, the feedback information issued may have so several：
First, user thinks that the target image that n-th obtains after handling is perfect, it is not necessary to further processing, then deposits
Storage can directly store the target image of n-th, while delete the target image of the N-1 times interim storage.
Second, the target image that user thinks to obtain after n-th processing meets expection, but needs further light filling processing
When, the target image of the N-1 times interim storage can be deleted, while the target image of n-th is temporarily stored.
Second, obtained target image does not meet expection after user thinks n-th processing, then processor 908 is from memory
The N-1 times target image for simulating light filling processing is extracted in 907 as the target image of the N+1 times, and deletes n-th simulation
The target image of light filling processing gained.
This scheme provides a user the chance gone back on one's word, and avoids user because of one in simulating light filling processing procedure in n times
Individual operation error and needing re-starts image procossing on the basis of returning to original target image.
The mobile terminal that the present embodiment provides, the light of light filling to be used for by corresponding to virtual location " setting " in space is shot
Source, the target image obtained after image procossing is allowed to possess the light supply effect of specialty so that user is by that can bear
Cost enjoys the photography achievement of specialty anywhere or anytime, improves Consumer's Experience.
Further, mobile terminal can also provide a user what is gone back on one's word in the simulation light filling processing procedure of target image
Chance, avoids processing result image because of an operation error and all that has been achieved is spoiled, influences Consumer's Experience.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Other identical element also be present in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal (can be mobile phone, computer, service
Device, air conditioner, or network equipment etc.) perform method described in each embodiment of the present invention.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
- A kind of 1. image processing method, it is characterised in that including：Determine virtual location and subject of the analog light source in space is shot in the shooting space based on target image In physical location；Relative position of the analog light source with the subject is determined according to the virtual location and the physical location；Light filling effect of the analog light source to the subject is determined based on the relative position；Target image after simulation light filling processing is shown according to the light filling effect.
- 2. image processing method as claimed in claim 1, it is characterised in that described that the mould is determined based on the relative position Before intending light source to the light filling effect of the subject, in addition to：Setting instruction based on user determines light direction, light extraction type and the amount of light of the analog light source；It is described to determine that the analog light source includes to the light filling effect of the subject based on the relative position：Determined to need the benefit for carrying out brightness enhancing in the target image according to light extraction type, light direction and the relative position Light region；Determined to carry out the enhanced pixel of brightness to each pixel in the light filling region according to the amount of light of the analog light source Value.
- 3. image processing method as claimed in claim 2, it is characterised in that described that the mould is determined based on the relative position Intend light source includes also including to the light filling effect of the subject：Determine to need to carry out Shadows Processing in the target image according to the light extraction type, light direction and the relative position Shadow region；Determined to carry out each pixel in the shadow region pixel after brightness deterioration according to the amount of light of the analog light source Value.
- 4. image processing method as claimed in claim 1, it is characterised in that described to be shown according to the light filling effect through simulation Target image after light filling processing includes：Target image after simulation light filling processing and the target image without simulation light filling processing are subjected to split screen display available.
- 5. image processing method as claimed in claim 1, it is characterised in that described that subject is determined according to target image Before physical location in the shooting space, in addition to：The subject in the target image is determined according to the instruction of the object of user；Or,Subject is identified in the target image based on image recognition technology.
- 6. image processing method as claimed in claim 1, it is characterised in that described to be shown according to the light filling effect through simulation After target image after light filling processing, in addition to：Receive the feedback information for the target image that user is directed to after simulation light filling processing；If the feedback information, which characterizes currently processed obtained target image, meets user's expection, but user needs to do it into one During step simulation light filling processing, when temporarily being stored to the current target image, and deleting last simulation light filling processing Temporary target image；When the feedback information characterizes currently processed obtained target image and do not meet user's expection, the last time is simulated into light filling The target image kept in during processing is as the target image simulated when light filling is handled next time；The feedback information characterize user be satisfied with it is currently processed obtain target image when, the current target image is entered Row storage.
- 7. the image processing method as described in claim any one of 1-6, it is characterised in that described that mould is determined based on target image Intend virtual location of the light source in space is shot, including：The icon specification of analog light source described in instruction and the icon specification prestored are set with depth of field distance according to user Corresponding relation determine the depth of field distance of the analog light source, the depth of field distance is for the analog light source with object of reference in scape Distance on deep direction, camera or the subject of the object of reference for the shooting target image；The simulated light is determined according to the position for setting the icon of analog light source described in instruction on the target image Source is in the plan-position for being taken plane；Virtual location of the analog light source in the shooting space is determined according to the plan-position and depth of field distance.
- 8. the image processing method as described in claim any one of 1-6, it is characterised in that described that mould is determined based on target image Intend virtual location of the light source in space is shot, including：Using subject as object of reference, structure is directed to the three-dimensional system of coordinate in the space that is taken in the target image；The three-dimensional according to where position of the icon of the analog light source on the target image determines the analog light source Virtual location in coordinate system, the position of the icon of the analog light source on the target image indicate according to the setting of user It is determined that.
- 9. a kind of terminal, it is characterised in that the terminal includes processor, memory and communication bus；The communication bus is used to realize the connection communication between processor and memory；The processor is used to perform one or more program stored in memory, to realize as appointed in claim 1 to 8 The step of image processing method described in one.
- A kind of 10. computer-readable recording medium, it is characterised in that the computer-readable recording medium storage have one or Multiple programs, one or more of programs can be by one or more computing devices, to realize such as claim 1 to 8 Any one of image processing method the step of.
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| CN113727011A (en) * | 2020-05-26 | 2021-11-30 | 杭州海康威视数字技术股份有限公司 | Video monitoring method, image acquisition system, electronic device and storage medium |
| CN112040596A (en) * | 2020-08-18 | 2020-12-04 | 张雪媛 | Virtual space light control method, computer readable storage medium and system |
| CN113840086A (en) * | 2021-09-06 | 2021-12-24 | 联想(北京)有限公司 | Information processing method and electronic equipment |
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