CN110493510A - A kind of image processing method and terminal device - Google Patents
A kind of image processing method and terminal device Download PDFInfo
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- CN110493510A CN110493510A CN201910615789.4A CN201910615789A CN110493510A CN 110493510 A CN110493510 A CN 110493510A CN 201910615789 A CN201910615789 A CN 201910615789A CN 110493510 A CN110493510 A CN 110493510A
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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
- H04N23/80—Camera processing pipelines; Components thereof
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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
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
- H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
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Abstract
The embodiment of the present invention provides a kind of image processing method and terminal device, is applied to the communications field, and to solve the problems, such as the photo shot, there are colour cast phenomenons.The terminal device includes first camera component and second camera component, includes colour atla in first camera component, this method comprises: acquiring the first image by first camera component；According to the second parameter of the first parameter of the first image and colour atla, calibration parameter is calculated；The second image is acquired by second camera component；According to the third parameter of calibration parameter and the second image, the 4th parameter is calculated；It is target image by the second image calibration according to the 4th parameter；Wherein, first parameter is used to indicate the color of the first image, and the second parameter is used to indicate the color of colour atla, and the first image and the second image are the image acquired under identical light environment, third parameter is used to indicate the color of the second image, and the 4th parameter is used to indicate the color of target image.This method is applied in the scene of terminal device shooting image.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of image processing methods and terminal device.
Background technique
When user's using terminal equipment is taken pictures, it usually needs terminal device is shot under various light environments.So
And due to the difference of the light source color temperature under different light environments, there are different for the photo for causing terminal device to be shot
Colour cast phenomenon.For example, terminal device shoots blank sheet of paper under sunlight, the photo taken will be partially yellow, i.e., can not accurate reproduction it is white
The color of paper.In this way, there are colour cast phenomenons to become urgent problem to be solved for the photo of shooting.
Summary of the invention
The embodiment of the present invention provides a kind of image processing method and terminal device, and with the photo that solves shooting, that there are colour casts is existing
As the problem of.
In order to solve the above-mentioned technical problem, the embodiments of the present invention are implemented as follows:
In a first aspect, the embodiment of the present invention provides a kind of image processing method, it is applied to terminal device, the terminal device packet
First camera component and second camera component are included, includes colour atla in first camera component, which can pass through the light of all colours
Line, this method comprises: acquiring the first image by first camera component；According to the second of the first parameter of the first image and colour atla
Parameter calculates calibration parameter；The second image is acquired by second camera component；Joined according to calibration parameter and the third of the second image
Number calculates the 4th parameter；It is target image by the second image calibration according to the 4th parameter；Wherein, the first parameter is used to indicate
The color of one image, the second parameter are used to indicate the color of colour atla, and the first image and the second image are to adopt under identical light environment
The image of collection, third parameter are used to indicate the color of the second image, and the 4th parameter is used to indicate the color of target image.
Second aspect, the embodiment of the invention also provides a kind of terminal device, which includes first camera component
It include colour atla in first camera component with second camera component, colour atla can pass through the light of all colours, which also wraps
It includes: acquisition module, computing module and calibration module；Acquisition module, for acquiring the first image by first camera component；It calculates
Module, the first parameter of the first image for being acquired according to acquisition module and the second parameter of colour atla calculate calibration parameter；It adopts
Collect module, is also used to acquire the second image by second camera component；Computing module is also used to the school calculated according to computing module
The third parameter of quasi- parameter and the second image of acquisition module acquisition, calculates the 4th parameter；Calibration module, for according to calculating mould
The 4th parameter that block calculates, the second image calibration by acquisition module acquisition are target image；Wherein, the first parameter is used to indicate
The color of first image, the second parameter are used to indicate the color of colour atla, and the first image and the second image are under identical light environment
The image of acquisition, third parameter are used to indicate the color of the second image, and the 4th parameter is used to indicate the color of target image.
Optionally, the shape of colour atla is hemispherical, and light enters colour atla from the outer surface of colour atla.
Optionally, colour atla is grey and translucent component.
Optionally, first camera component and second camera component are located at the different positions on the same outer surface of terminal device
It sets.
The third aspect the embodiment of the invention provides a kind of terminal device, including processor, memory and is stored in this and deposits
On reservoir and the computer program that can run on the processor, such as first is realized when which is executed by the processor
The step of image processing method described in aspect.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage medium, the computer-readable storage mediums
Computer program is stored in matter, and image processing method as described in relation to the first aspect is realized when which is executed by processor
The step of.
In embodiments of the present invention, the first image can be acquired by first camera component；And according to the of the first image
Second parameter of one parameter and colour atla calculates calibration parameter；The second image is acquired by second camera component again；To, according to
The third parameter of calibration parameter and the second image calculates the 4th parameter；In turn, according to the 4th parameter, it is by the second image calibration
Target image；Wherein, the first parameter is used to indicate the color of the first image, and the second parameter is used to indicate the color of colour atla, and first
Image and the second image are the image acquired under identical light environment, and third parameter is used to indicate the color of the second image, the 4th
Parameter is used to indicate the color of target image.Based on this scheme, due to the opposite position of the camera lens in colour atla and first camera component
Set fixation, as long as therefore terminal device image is acquired and shot by first camera component, the first of colour atla can be collected
Image.To quickly and accurately obtain the photo of colour atla when being conducive to terminal device calibration photo.In turn, be conducive to terminal
Equipment is convenient, the photo of user's shooting is rapidly calibrated according to calibration parameter, that is, solving the photo of shooting, there are colour cast phenomenons
The problem of.
Detailed description of the invention
Fig. 1 is a kind of configuration diagram of possible Android operation system provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram of image processing method provided in an embodiment of the present invention；
Fig. 3 is a kind of position view of photomoduel provided in an embodiment of the present invention on the terminal device；
Fig. 4 is a kind of structural schematic diagram of photomoduel provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of possible terminal device provided in an embodiment of the present invention；
Fig. 6 is a kind of hardware structural diagram of terminal device provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It should be noted that "/" herein indicate or the meaning, for example, A/B can indicate A or B；Herein
"and/or" is only a kind of incidence relation for describing affiliated partner, indicates may exist three kinds of relationships, for example, A and/or B, it can
To indicate: individualism A exists simultaneously A and B, these three situations of individualism B." multiple " refer to two or more.
It should be noted that in the embodiment of the present invention, " illustrative " or " such as " etc. words make example, example for indicating
Card or explanation.Be described as in the embodiment of the present invention " illustrative " or " such as " any embodiment or design scheme do not answer
It is interpreted than other embodiments or design scheme more preferably or more advantage.Specifically, " illustrative " or " example are used
Such as " word is intended to that related notion is presented in specific ways.
Term " first " and " second " in description and claims of this specification etc. are for distinguishing different pairs
As, rather than it is used for the particular order of description object.For example, the first image and the second image etc. are for distinguishing different figures
Picture, rather than the particular order for describing image.
Image processing method and terminal device provided in an embodiment of the present invention, terminal device include first camera component and
Two photomoduels, include colour atla in first camera component, and colour atla can pass through the light of all colours.Specifically, can be passed through
One photomoduel acquires the first image；And according to the second parameter of the first parameter of the first image and colour atla, calibration parameter is calculated；
The second image is acquired by second camera component again；To calculate the 4th according to the third parameter of calibration parameter and the second image
Parameter；It in turn, is target image by the second image calibration according to the 4th parameter；Wherein, the first parameter is used to indicate the first image
Color, the second parameter is used to indicate the color of colour atla, and the first image and the second image are the figure acquired under identical light environment
Picture, third parameter are used to indicate the color of the second image, and the 4th parameter is used to indicate the color of target image.Based on this scheme,
Since the relative position of colour atla and the camera lens in first camera component is fixed, as long as terminal device passes through first camera component
Image is acquired and shot, the first image of colour atla can be collected.To, when being conducive to terminal device calibration photo, quickly,
Accurately obtain the photo of colour atla.In turn, be conducive to terminal device it is convenient, rapidly according to calibration parameter calibrate user shooting
Photo, that is, solving the problems, such as the photo of shooting, there are colour cast phenomenons.
Terminal device in the embodiment of the present invention can be mobile terminal device, or immobile terminal equipment.It moves
Dynamic terminal device can be mobile phone, tablet computer, laptop, palm PC, car-mounted terminal, wearable device, super shifting
Dynamic personal computer (ultra-mobile personal computer, UMPC), net book or personal digital assistant
(personal digital assistant, PDA) etc.；Immobile terminal equipment can be personal computer (personal
Computer, PC), television set (television, TV), automatic teller machine or self-service machine etc.；The embodiment of the present invention does not limit specifically
It is fixed.
It should be noted that image processing method provided in an embodiment of the present invention, executing subject can be terminal device, or
Person is used in the central processing unit (Central Processing Unit, CPU) of the terminal device or the terminal device
Execute the control module of image processing method.In the embodiment of the present invention by taking terminal device executes image processing method as an example, explanation
Image processing method provided in an embodiment of the present invention.
Terminal device in the embodiment of the present invention can be the terminal device with operating system.The operating system can be
Android (Android) operating system can be ios operating system, can also be other possible operating systems, and the present invention is implemented
Example is not especially limited.
Below by taking Android operation system as an example, introduce applied by image processing method provided in an embodiment of the present invention
Software environment.
As shown in Figure 1, being a kind of configuration diagram of possible Android operation system provided in an embodiment of the present invention.Scheming
In 1, the framework of Android operation system includes 4 layers, be respectively as follows: application layer, application framework layer, system Runtime Library layer and
Inner nuclear layer (is specifically as follows Linux inner core).
Wherein, application layer includes each application program (including system application and in Android operation system
Tripartite's application program).
Application framework layer is the frame of application program, and developer can be in the exploitation for the frame for abiding by application program
In the case where principle, some application programs are developed based on application framework layer.For example, system setting application, system chat are answered
With with system camera application etc. application programs.Third party is arranged application, third party's camera applications and third party's chat application etc. and answers
Use program.
System Runtime Library layer includes library (also referred to as system library) and Android operation system running environment.Library is mainly Android behaviour
As system it is provided needed for all kinds of resources.Android operation system running environment is used to provide software loop for Android operation system
Border.
Inner nuclear layer is the operating system layer of Android operation system, belongs to the bottom of Android operation system software level.It is interior
Stratum nucleare provides core system service and hardware-related driver based on linux kernel for Android operation system.
By taking Android operation system as an example, in the embodiment of the present invention, developer can be based on above-mentioned Android as shown in Figure 1
The software program of image processing method provided in an embodiment of the present invention is realized in the system architecture of operating system, exploitation, so that
The image processing method can be run based on Android operation system as shown in Figure 1.I.e. processor or terminal device can lead to
It crosses and runs software program realization image processing method provided in an embodiment of the present invention in Android operation system.
Below with reference to the flow chart of image processing method shown in Fig. 2 to image processing method provided in an embodiment of the present invention
It is described in detail.Wherein, although showing patrolling for image processing method provided in an embodiment of the present invention in method flow diagram
Sequence is collected, but in some cases, it can be with the steps shown or described are performed in an order that is different from the one herein.For example, Fig. 2
Shown in image processing method may include S201-S205:
S201, terminal device acquire the first image by first camera component.
Wherein, terminal device provided in an embodiment of the present invention includes first camera component and second camera component, the first phase
It include colour atla in thermomechanical components, which can pass through the light of all colours.
It is understood that colour atla is fixed in first camera component in the embodiment of the present invention, i.e. colour atla and first
Camera lens in photomoduel is fixed.Namely the relative position of colour atla and terminal device is fixed.
It should be noted that including camera lens in first camera component and second camera component, to support terminal device to clap
Take the photograph image.For example, the camera lens in second camera component is main lens, the camera lens in first camera component is attachment lens.
Specifically, terminal device can shoot the image (also referred to as photo or picture) of colour atla by first camera component, lead to
Cross the image of second camera component shooting user's actual need, such as image comprising certain personages or still life.
It is emphasized that terminal device can pass through first camera component and second under same light environment respectively
Photomoduel shoots image.
It is understood that in different light environments, the parameters such as the position of light source and colour temperature are different.In this way, with object
The color of the variation of locating light environment, the object showed changes, i.e. the color of the image of the object becomes
Change.For example, in light environment the colour temperature of light source it is higher, the color of the image of the object in the light environment is more yellow；Light
The colour temperature of light source is lower in environment, and the color of the image of the object in the light environment is more blue.
Optionally, first camera component and second camera component are located at the different positions on the same outer surface of terminal device
It sets.In this way, make the view direction of the camera lens of first camera component consistent with the view direction of second camera component, so that
Terminal device can shoot the image under same light environment respectively by first camera component and second camera component.
Illustratively, first camera component and second camera component can be set in the back side of terminal device.
In addition, first camera component and second camera component can be arranged in the first of terminal device by related technical personnel
On two positions being closer on outer surface, to realize through first camera component and second camera component in same light ring
Image is shot under border.For example, the upper left side at the back side of terminal device is arranged in second camera component, the setting of first camera component exists
The lower section of second camera component on the back side.
Illustratively, as shown in figure 3, being a kind of position of photomoduel provided in an embodiment of the present invention on the terminal device
Schematic diagram.Wherein, the view that (a) in Fig. 3 is shown is the rearview of terminal device, and the view that (b) in Fig. 3 is shown is terminal
The side view (such as left view) of equipment, the positive view where the screen of corresponding terminal device are the forward sight of terminal device
Figure.Specifically, the upper left side on the back side of terminal device is arranged in second camera component 31, and first camera component 32 is arranged
In the lower section of second camera component 31 on the back side.
Specifically, in the embodiment of the present invention, after terminal device acquires the first image by first camera component, Ke Yibao
The first image (shoot and save the first image) is deposited, such as saves the first image into the picture library application program of terminal device.
It should be noted that terminal device can execute the step by first camera component the first image of acquisition on backstage
Suddenly.At this point, the shooting preview interfaces such as the view-finder of first camera component acquisition image can not be shown on the screen of terminal device,
It does not need preview and shows the first image yet.It is understood that being equipped with camera application program in terminal device, user can be touched
Camera application program is opened and run to hair terminal device, such as shoots image or shows the image of preview on the screen.Specifically, In
When running camera application program, terminal device live preview can be shown through second camera component terminal device on the screen
The image of acquisition shows the image acquired by first camera component (the i.e. image of colour atla, such as first without live preview
Image).
It should be noted that terminal device can execute the step by first camera component the first image of acquisition on backstage
Suddenly.At this point, the shooting preview interfaces such as the view-finder of first camera component acquisition image can not be shown on the screen of terminal device,
It does not need preview and shows the first image yet.
Optionally, terminal device can start to enable first camera component and second when opening camera application program
Photomoduel so that terminal device, which begins through first camera component, acquires the first image, and begins through second camera group
Part acquires image.
It optionally, further include camera lens and blocking parts in first camera component, camera lens, blocking parts and colour atla are along first
Direction is set gradually；Wherein, first direction is the direction of the first outer surface vertical and far from terminal device, into colour atla
Light enters camera lens by blocking parts.Wherein, the camera lens, the blocking parts and the colour atla can be sequentially connected, such as adhesion.
Specifically, light enters the camera lens in first camera component by the colour atla in first camera component.
Wherein, the front of the camera lens in first camera component is arranged in colour atla, and the light into colour atla is passed through
Blocking parts enters the camera lens.In this way, being conducive to light preferably enters camera lens, and will not be logical from colour atla to the camera lens
The excessive loss in road, so that the image quality of the first image acquired by first camera component is preferable.
Optionally, the second surface of blocking parts is opaque, camera lens, colour atla in the second surface and first camera component
It does not contact.I.e. second surface is the table in blocking parts in addition to the surface contacted with camera lens (i.e. attachment lens) and colour atla
Face.Specifically, blocking parts can be hollow cylinder-like structure, the second surface of blocking parts can be the cylinder of blocking parts
The outer surface of shape structure and/or inner surface.
Specifically, the second surface of blocking parts be tubular outer surface in the case where, blocking parts be colour atla with it is auxiliary
The sealing area between camera lens is helped, can prevent light from entering attachment lens from the region except colour atla, that is, avoid light from screening
Stopper part enters attachment lens.
Wherein, blocking parts can be the light-proof material of black.Light-proof material is specially which kind of material can basis
Actual use demand determines that the present invention is not especially limit this.
Optionally, the shape of colour atla is hemispherical, and light enters colour atla from the outer surface of colour atla.I.e. light from colour atla half
Spherical outer surface enters the attachment lens of first camera component.Wherein, it is more can to support that colour atla enters for hemispheric colour atla
Light is adopted to be conducive to raising subsequent terminal equipment by first camera component so that attachment lens enters more light
The quality of first image of collection.
Illustratively, as shown in (b) in Fig. 3, the outside of first camera component 32 is hemispheric colour atla.Specifically,
In conjunction with Fig. 3, as shown in figure 4, being a kind of structure composition schematic diagram of photomoduel.Fig. 4 has shown the structure of first camera component 32,
First camera component 32 includes attachment lens 41, blocking parts 42 and colour atla 43, it is clear that colour atla 43 is hemispheric structure.
S202, terminal device calculate calibration parameter according to the first parameter of the first image and the second parameter of colour atla.
Wherein, the first parameter is used to indicate the color of the first image, and the second parameter is used to indicate the color of colour atla, calibration ginseng
The image that number is acquired for calibrating terminal equipment by second camera component.
In the embodiment of the present invention, colour atla can be translucent component, to support light to enter (penetrating) colour atla.Such as
This, may be implemented terminal device by first camera component and shoot the first image, and know the color of first image, that is, obtain
First parameter of the first image.
Optionally, the material of colour atla can be glass or plastics or paper or colour filter etc., specifically can basis
Actual use demand determines that the present invention is not especially limit this.For example, colour atla can be saturating by translucent glass
Mirror is realized.
Optionally, colour atla is grey and translucent component.That is, the colour atla in the embodiment of the present invention can be quasi- for gray scales
Card.
It is understood that the color of colour atla be it is known, predefined by related technical personnel.That is the second ginseng of colour atla
Known to number.
Wherein, since grey can penetrate all colors, i.e. grey is consistent the projection of all colours, therefore ash
Color and translucent colour atla allow the light in environment to enter colour atla.
It should be noted that characteristic, i.e. form and aspect there are three color tools, lightness and saturation degree.Three characteristics of color and its
Correlation can be with illustrating for the color in three-dimensional space.
Wherein, terminal device can record various colors by color mode, i.e., various colors is shown as digital form
Model.Specifically, color mode can be divided into R-G-B (red-green-blue, RGB) mode, cyan-magenta-Huang
Color-black (cyan-magenta-yellow-black INK, CMYK) mode, form and aspect-saturation degree-brightness (hues-
Saturation-brightness, HSB) mode, Lab color mode (Lab color model), bitmap (Bitmap) mode,
Gray scale (Grayscale) mode, indexed color (Indexed Color) mode, duotone (Duotone) mode and multichannel
(Multichannel) mode etc..
It is understood that the color of an image, is characterized under different color modes by different components.
Specifically, indicate the parameter of the color of an image in the embodiment of the present invention, can the image color at certain
Component under color mode.Such as, the first parameter of the first image is point of the color of the first image under certain color mode
Amount.
For example, the color of image indicates the S of saturation degree by including H (hues) component for indicating form and aspect under HSB mode
(saturation) component indicates brightness B (brightness) component characterization.Body, in HSB mode, the S in the first parameter divides
The numerical value that amount and B component are presented is higher, illustrates that the saturation degree of the first image, brightness are higher.Such as, in the first parameter of the first image
H component including the first image, S component and B component.
For example, the color of image passes through R (RED) component, G (GREEN) component and B (BLUE) subscale under RGB mode
Sign.It such as, include the R component of the first image, G component and B component in the first parameter of the first image.
For example, the color of image passes through C (CYAN) component, M (MAGENTA) component, Y (Yellow) under CMYK mode
Component, K (BLACK) component characterization.It such as, include the C component of the first image, M component, Y-component in the first parameter of the first image
With K component.
In the embodiment of the present invention, the color of image, can be true according to actual use demand using which kind of color mode record
Fixed, the present invention is not especially limit this.
S203, terminal device acquire the second image by second camera component.
Wherein, the first image and the second image are the image acquired under identical light environment.
Optionally, the second image is that terminal device currently passes through the image that second camera component is acquired and shot, Huo Zhetong
The acquisition of second camera component and the on the screen current frame image of preview are crossed, or by second camera component in background acquisition
Image.
It should be noted that terminal device executes above-mentioned S201 and the sequence of S203 is not construed as limiting, as terminal device can be with
It first carries out S201 and executes S203 again.But terminal device is at the time of execute S201 and difference is smaller at the time of S203, to guarantee the
One image and the second image are the image under same light scene.
Specifically, the camera of user's active using terminal equipment removes shooting image, the main lens of camera are triggered this when
Shoot photo.If camera is in preview mode, then the image for the present frame that terminal device capture main lens acquire.
It is understood that due to the light source in photographed scene there may be different-colour, in the light of different-colour
Under the irradiation of source, the picture that the main lens of camera take can have different degrees of color offset, such as shine in the light source of high color temperature
It penetrates down, image content is generally partially yellow, and under the light source irradiation of low color temperature, image content is generally partially blue.Therefore under normal circumstances,
All there is certain colour cast phenomenon in the photo that ordinary user shoots.
It is understood that the second parameter of colour atla is the true colors of colour atla, the first parameter of the first image is current
The image of colour cast occurs for colour atla under light environment.In this way, can determine current light ring by the first parameter and the second parameter
The degree of colour cast occurs for image to get calibration parameter is arrived under border.
Specifically, since the scene that grey calibration card and main lens are shot can be under the lighting environment of same colour temperature, because
The color displacement of grey calibration card and the color displacement of photographed scene under this same light source are consistent.It is calibrated by grey
The image of main lens shooting can be corrected to true picture by blocking calculated calibration parameter.
S204, terminal device calculate the 4th parameter according to the third parameter of calibration parameter and the second image.
Wherein, third parameter is used to indicate the color of the second image, and the 4th parameter is used to indicate the color of target image.
It is understood that the second image with third parameter is under current light environment, terminal device passes through second
The image of colour cast occurs for the possibility of photomoduel acquisition.Wherein, since the first image and the second image are under same light environment
Image, therefore the first image and the second image occur colour cast degree it is identical so that calibration parameter is to the second figure
The third parameter of picture is adjusted, the 4th parameter after being adjusted.
Second image calibration is target image according to the 4th parameter by S205, terminal device.
It is understood that the target image with the 4th parameter is the image of true color.
Specifically, after terminal device gets the image there are color displacement from main lens, it can calculated calibration ginseng
The image that number amendment main lens take.
Illustratively, if the second image is under the light source irradiation of high color temperature, image content is generally partially yellow, then can pass through school
Quasi- parameter, the partially yellow degree of calibration image content, obtains the preferable target image of image content.To realize terminal device
Color rendition is carried out to the image of acquisition.
It should be noted that by above-mentioned S205, the image that terminal device shoots main lens completes primary calibration.When
When user control terminal equipment shoots image, then the image after color calibration is stored into terminal device.If at main lens
In preview mode, then continued to calibrate next frame image according to above-mentioned process.
Optionally, terminal device can will save current alignment parameter.It is subsequent to recalculate primary school at regular intervals
Quasi- parameter, and update the calibration parameter saved in terminal device.
It is understood that terminal device can automatically snap in the scene of user control terminal equipment shooting image
First image, automatically to obtain the calibration parameter under current light environment；And by the calibration parameter to the acquired in real time
Two images are calibrated, with the target image after being calibrated.In this way, user, which can manually control terminal device, shoots the second figure
Picture does not need to manually control terminal device the first image of shooting, but can shoot the first figure on backstage with triggering terminal equipment
Picture.To simplify the operation of user during terminal device calibration photo, and improve Man machine interaction.
It should be noted that image processing method provided in an embodiment of the present invention, can be acquired by first camera component
First image；And according to the second parameter of the first parameter of the first image and colour atla, calibration parameter is calculated；Pass through second camera again
Component acquires the second image；To calculate the 4th parameter according to the third parameter of calibration parameter and the second image；In turn, foundation
Second image calibration is target image by the 4th parameter；Wherein, the first parameter is used to indicate the color of the first image, the second ginseng
Number is used to indicate the color of colour atla, and the first image and the second image are the image acquired under identical light environment, and third parameter is used
In the color for indicating the second image, the 4th parameter is used to indicate the color of target image.Based on this scheme, due to colour atla and first
The relative position of camera lens in photomoduel is fixed, as long as therefore terminal device is acquired by first camera component and shooting figure
Picture can collect the first image of colour atla.To quickly and accurately obtain color when being conducive to terminal device calibration photo
The photo of card.In turn, be conducive to terminal device it is convenient, rapidly according to calibration parameter calibrate user shooting photo, that is, solve
There is colour cast phenomenon in the photo of shooting.
In one possible implementation, image processing method provided in an embodiment of the present invention, above-mentioned S202 can lead to
S202a and S202b is crossed to realize:
S202a, terminal device calculate the ratio of the first parameter and the second parameter, obtain the first ratio.
S202b, terminal device calculate the product of the first ratio and the first sensitivity parameter, obtain calibration parameter.
Wherein, the first sensitivity parameter is used to indicate the luminous sensitivity of the camera lens in first camera component.
Specifically, terminal device uses p (λ)=O1 (λ)/R1 × c1, calibration parameter is calculated.
Wherein, λ indicates that light environment locating for terminal device, p (λ) indicate calibration parameter, and O1 (λ) indicates the first parameter,
R1 indicates the second parameter, and c1 indicates the luminous sensitivity of the camera lens in first camera component.O1 (λ)/R1 is the first ratio, and c1 is
First sensitivity.
Specifically, O1 (λ) indicates that terminal device takes the first of colour atla by attachment lens under the light environment of λ
The color of image.R1 indicates that true colors of the terminal device by colour atla, p (λ) indicate the calibration ginseng under the light environment of λ
Number.
Wherein, the value of λ changes with the variation of current light environment.In turn, with the variation of λ, p (λ) and O1 (λ)
It changes.
Luminous sensitivity of the same camera lens under different light environments is consistent.Camera lens in first camera component
First luminous sensitivity c1 is determining numerical value.
Correspondingly, above-mentioned S204 can be realized by S204a and S204b:
S204a, terminal device calculate the ratio of third parameter and calibration parameter, obtain the second ratio.
S204b, terminal device calculate the product of the second ratio and the second sensitivity parameter, obtain the 4th parameter.
Wherein, the second sensitivity parameter is used to indicate the luminous sensitivity of the camera lens in second camera component.
Specifically, terminal device can use R2=O2 (λ)/p (λ) × c2, the 4th parameter is calculated.
Wherein, O2 (λ) indicates third parameter, and R2 indicates the 4th parameter, and c2 indicates the sense of the camera lens in second camera component
Luminous sensitivity.Specifically, O2 (λ)/p (λ) is the second ratio, c2 is the second luminous sensitivity.
It is understood that the luminous sensitivity of the camera lens of usually same brand or same model is identical, such as above-mentioned c1
It is identical as c2.
Specifically, O2 (λ) indicates second image that by main lens takes of the terminal device under the light environment of λ
Color.R1 indicates the true colors for the second image that terminal device is shot by main lens.
It should be noted that terminal device can determine under current light environment in real time in the embodiment of the present invention, pass through
The calibration parameter of the image of the main lens acquisition of two photomoduels, so that the image is calibrated by the calibration parameter, to obtain picture
The preferable image of face quality.
As shown in figure 5, being a kind of structural schematic diagram of terminal device provided in an embodiment of the present invention.Terminal shown in Fig. 5
Equipment 50 includes first camera component 51 and second camera component 52, includes colour atla 511, colour atla 511 in first camera component 51
It can pass through the light of all colours, terminal device further include: acquisition module 53, computing module 54 and calibration module 55；Acquire mould
Block 53, for acquiring the first image by first camera component 51；Computing module 54, for being acquired according to acquisition module 53
First parameter of one image and the second parameter of colour atla 511 calculate calibration parameter；Acquisition module 53 is also used to through the second phase
Thermomechanical components 52 acquire the second image；Computing module 54, the calibration parameter for being also used to be calculated according to computing module 54 and acquisition module
The third parameter of second image of 53 acquisitions, calculates the 4th parameter；Calibration module 55, for being calculated according to computing module 54
Four parameters, the second image calibration that acquisition module 53 is acquired are target image；Wherein, the first parameter is used to indicate the first image
Color, the second parameter is used to indicate the color of colour atla 511, acquires under the first image and the identical light environment of the second image
Image, third parameter are used to indicate the color of the second image, and the 4th parameter is used to indicate the color of target image.
Optionally, computing module 54 obtain the first ratio specifically for calculating the ratio of the first parameter and the second parameter；
The product for calculating the first ratio and the first sensitivity parameter, obtains calibration parameter；Wherein, the first sensitivity parameter is for indicating the
The luminous sensitivity of camera lens in one photomoduel 51.
Optionally, computing module 54 obtain the second ratio specifically for calculating the ratio of third parameter and calibration parameter；
The product for calculating the second ratio and the second sensitivity parameter obtains the 4th parameter；Wherein, the second sensitivity parameter is for indicating the
The luminous sensitivity of camera lens in two photomoduels 52.
It optionally, further include camera lens and blocking parts, 511 edge of camera lens, blocking parts and colour atla in first camera component 51
First direction set gradually；Wherein, first direction is the direction of the first outer surface vertical and far from terminal device, is entered
The light of colour atla 511 enters camera lens by blocking parts.
Optionally, the second surface of blocking parts is opaque, and second surface does not contact with camera lens and colour atla 511.
Terminal device 50 provided in an embodiment of the present invention can be realized terminal device in above method embodiment realize it is each
A process, to avoid repeating, which is not described herein again.
Terminal device provided in an embodiment of the present invention can acquire the first image by first camera component；And according to
First parameter of one image and the second parameter of colour atla calculate calibration parameter；The second image is acquired by second camera component again；
To calculate the 4th parameter according to the third parameter of calibration parameter and the second image；In turn, according to the 4th parameter, by the second figure
As being calibrated to target image；Wherein, the first parameter is used to indicate the color of the first image, and the second parameter is used to indicate the face of colour atla
Color, the first image and the second image are the image acquired under identical light environment, and third parameter is used to indicate the face of the second image
Color, the 4th parameter are used to indicate the color of target image.Based on this scheme, due to the camera lens in colour atla and first camera component
Relative position is fixed, as long as therefore terminal device image is acquired and shot by first camera component, colour atla can be collected
The first image.To quickly and accurately obtain the photo of colour atla when being conducive to terminal device calibration photo.In turn, favorably
Photo convenient in terminal device, that user's shooting is rapidly calibrated according to calibration parameter, that is, the photo for solving shooting exist partially
The problem of color phenomenon.
Fig. 6 is a kind of hardware structural diagram of terminal device provided in an embodiment of the present invention, which includes
But be not limited to: radio frequency unit 101, network module 102, audio output unit 103, input unit 104, sensor 105, display are single
The components such as member 106, user input unit 107, interface unit 108, memory 109, processor 110 and power supply 111.Ability
Field technique personnel are appreciated that terminal device structure shown in Fig. 6 does not constitute the restriction to terminal device, and terminal device can
To include perhaps combining certain components or different component layouts than illustrating more or fewer components.Implement in the present invention
In example, terminal device includes but is not limited to mobile phone, tablet computer, laptop, palm PC, vehicle-mounted terminal equipment, can wear
Wear equipment and pedometer etc..
Wherein, processor 110, for acquiring the first image by first camera component；For according to the of the first image
Second parameter of one parameter and colour atla calculates calibration parameter；The second image is acquired by second camera component；According to calibration parameter
With the third parameter of the second image, the 4th parameter is calculated；It is target image by the second image calibration according to the 4th parameter；Wherein,
First parameter is used to indicate the color of the first image, and the second parameter is used to indicate the color of colour atla, the first image and the second image
For the image acquired under identical light environment, third parameter is used to indicate the color of the second image, and the 4th parameter is used to indicate mesh
The color of logo image.
Terminal device provided in an embodiment of the present invention can acquire the first image by first camera component；And according to
First parameter of one image and the second parameter of colour atla calculate calibration parameter；The second image is acquired by second camera component again；
To calculate the 4th parameter according to the third parameter of calibration parameter and the second image；In turn, according to the 4th parameter, by the second figure
As being calibrated to target image；Wherein, the first parameter is used to indicate the color of the first image, and the second parameter is used to indicate the face of colour atla
Color, the first image and the second image are the image acquired under identical light environment, and third parameter is used to indicate the face of the second image
Color, the 4th parameter are used to indicate the color of target image.Based on this scheme, due to the camera lens in colour atla and first camera component
Relative position is fixed, as long as therefore terminal device image is acquired and shot by first camera component, colour atla can be collected
The first image.To quickly and accurately obtain the photo of colour atla when being conducive to terminal device calibration photo.In turn, favorably
Photo convenient in terminal device, that user's shooting is rapidly calibrated according to calibration parameter, that is, the photo for solving shooting exist partially
The problem of color phenomenon.
It should be understood that the embodiment of the present invention in, radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 110 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 101 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 101 can also by wireless communication system and network and other set
Standby communication.
Terminal device provides wireless broadband internet by network module 102 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 103 can be received by radio frequency unit 101 or network module 102 or in memory 109
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 103 can also provide and end
The relevant audio output of specific function that end equipment 100 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 103 includes loudspeaker, buzzer and receiver etc..
Input unit 104 is for receiving audio or video signal.Input unit 104 may include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or network module 102.Mike
Wind 1042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 101 is converted in the case where telephone calling model.
Terminal device 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when terminal device 100 is moved in one's ear
Display panel 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify terminal device posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 105 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061.
User input unit 107 can be used for receiving the number or character information of input, and generate the use with terminal device
Family setting and the related key signals input of function control.Specifically, user input unit 107 include touch panel 1071 and
Other input equipments 1072.Touch panel 1071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 1071 or in touch panel 1071
Neighbouring operation).Touch panel 1071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 110, receiving area
It manages the order that device 110 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 1071.In addition to touch panel 1071, user input unit 107 can also include other input equipments
1072.Specifically, other input equipments 1072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 1071 can be covered on display panel 1061, when touch panel 1071 is detected at it
On or near touch operation after, send processor 110 to determine the type of touch event, be followed by subsequent processing device 110 according to touching
The type for touching event provides corresponding visual output on display panel 1061.Although in Fig. 6, touch panel 1071 and display
Panel 1061 is the function that outputs and inputs of realizing terminal device as two independent components, but in some embodiments
In, can be integrated by touch panel 1071 and display panel 1061 and realize the function that outputs and inputs of terminal device, it is specific this
Place is without limitation.
Interface unit 108 is the interface that external device (ED) is connect with terminal device 100.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 108 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in terminal device 100 or can be used in 100 He of terminal device
Data are transmitted between external device (ED).
Memory 109 can be used for storing software program and various data.Memory 109 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, it 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 110 is the control centre of terminal device, utilizes each of various interfaces and the entire terminal device of connection
A part by running or execute the software program and/or module that are stored in memory 109, and calls and is stored in storage
Data in device 109 execute the various functions and processing data of terminal device, to carry out integral monitoring to terminal device.Place
Managing device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Terminal device 100 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, terminal device 100 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of terminal device, including processor 110, and memory 109 is stored in
On memory 109 and the computer program that can run on the processor 110, the computer program are executed by processor 110
Each process of Shi Shixian above method embodiment, and identical technical effect can be reached, it is no longer superfluous here to avoid repeating
It states.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, realizes each process of above method embodiment when which is executed by processor, and can reach identical
Technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as read-only memory
(Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk
Deng.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes
Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (10)
1. a kind of image processing method is applied to terminal device, the terminal device includes first camera component and second camera
Component, includes colour atla in the first camera component, and the colour atla can pass through the light of all colours, which is characterized in that described
Method includes:
The first image is acquired by the first camera component；
According to the second parameter of the first parameter of the first image and the colour atla, calibration parameter is calculated；
The second image is acquired by the second camera component；
According to the third parameter of the calibration parameter and second image, the 4th parameter is calculated；
It is target image by second image calibration according to the 4th parameter；
Wherein, first parameter is used to indicate the color of the first image, and second parameter is used to indicate the colour atla
Color, the first image and second image are the image acquired under identical light environment, and the third parameter is used for
Indicate that the color of second image, the 4th parameter are used to indicate the color of the target image.
2. the method according to claim 1, wherein first parameter according to the first image and described
Second parameter of colour atla calculates calibration parameter, comprising:
The ratio for calculating first parameter Yu second parameter, obtains the first ratio；
The product for calculating first ratio and the first sensitivity parameter, obtains the calibration parameter；
Wherein, first sensitivity parameter is used to indicate the luminous sensitivity of the camera lens in the first camera component.
3. according to the method described in claim 2, it is characterized in that, described according to the calibration parameter and second image
Third parameter calculates the 4th parameter, comprising:
The ratio for calculating the third parameter and the calibration parameter, obtains the second ratio；
The product for calculating second ratio and the second sensitivity parameter, obtains the 4th parameter；
Wherein, second sensitivity parameter is used to indicate the luminous sensitivity of the camera lens in the second camera component.
4. a kind of terminal device, the terminal device includes first camera component and second camera component, the first camera group
It include colour atla in part, the colour atla can pass through the light of all colours, which is characterized in that the terminal device further include: acquisition
Module, computing module and calibration module；
The acquisition module, for acquiring the first image by the first camera component；
The computing module, the first parameter of the first image for being acquired according to the acquisition module and the colour atla
Second parameter calculates calibration parameter；
The acquisition module is also used to acquire the second image by the second camera component；
The computing module, the calibration parameter for being also used to be calculated according to the computing module and acquisition module acquisition
The third parameter of second image calculates the 4th parameter；
The calibration module, the 4th parameter for calculating according to the computing module, the acquisition module is acquired
Second image calibration is target image；
Wherein, first parameter is used to indicate the color of the first image, and second parameter is used to indicate the colour atla
Color, the first image and second image are the image acquired under identical light environment, and the third parameter is used for
Indicate that the color of second image, the 4th parameter are used to indicate the color of the target image.
5. terminal device according to claim 4, which is characterized in that the computing module is specifically used for calculating described the
The ratio of one parameter and second parameter, obtains the first ratio；Calculate multiplying for first ratio and the first sensitivity parameter
Product, obtains the calibration parameter；
Wherein, first sensitivity parameter is used to indicate the luminous sensitivity of the camera lens in the first camera component.
6. terminal device according to claim 5, which is characterized in that the computing module is specifically used for calculating described the
The ratio of three parameters and the calibration parameter obtains the second ratio；Calculate multiplying for second ratio and the second sensitivity parameter
Product, obtains the 4th parameter；
Wherein, second sensitivity parameter is used to indicate the luminous sensitivity of the camera lens in the second camera component.
7. the terminal device according to any one of claim 4 to 6, which is characterized in that in the first camera component
It further include camera lens and blocking parts, the camera lens, the blocking parts and the colour atla are set gradually along a first direction；
Wherein, the first direction is the direction of the first outer surface vertical and far from the terminal device, into the colour atla
Light by the blocking parts enter the camera lens.
8. terminal device according to claim 7, which is characterized in that the second surface of the blocking parts is opaque, institute
Second surface is stated not contact with the camera lens, the colour atla.
9. a kind of terminal device, which is characterized in that including processor, memory and be stored on the memory and can be described
The computer program run on processor is realized when the computer program is executed by the processor as in claims 1 to 3
The step of described in any item image processing methods.
10. a kind of computer readable storage medium, which is characterized in that store computer journey on the computer readable storage medium
Sequence, the computer program realize image processing method as claimed any one in claims 1 to 3 when being executed by processor
Step.
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