CN106101666A - The method of a kind of image color reservation and mobile terminal - Google Patents
The method of a kind of image color reservation and mobile terminal Download PDFInfo
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- CN106101666A CN106101666A CN201610515312.5A CN201610515312A CN106101666A CN 106101666 A CN106101666 A CN 106101666A CN 201610515312 A CN201610515312 A CN 201610515312A CN 106101666 A CN106101666 A CN 106101666A
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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
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
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Abstract
Embodiments provide a kind of method that image color retains, it is applied to mobile terminal, including, obtain original image, receive user's Colour selection request for described original image, object color component scope is determined according to the request of described Colour selection, according to described object color component scope, original image is carried out color reservation, original image after output color reservation, pass through the embodiment of the present invention, can realize carrying out during shooting the live preview of color reservation, solve current user when shooting, color can not be carried out and retain selection, the problem of live preview color retention, the shooting that improve user is experienced.
Description
Technical field
The present invention relates to technical field of image processing, particularly relate to method and mobile terminal that a kind of image color retains.
Background technology
At present, using intelligent mobile terminal to carry out shooting more and more popular to people, people use intelligent mobile terminal to clap
Take the photograph the scene in daily life, and mobile terminal also provides various exposal model, to meet people to shooting effect
Requirement, such as monochrome, black and white, isotype of missing old times or old friends.
In existing image procossing, people, in order to highlight the main body of shooting, the most only retain in image and shoot main body
Color, other color is all converted to black and white gray scale.
The principle of color reservation process is to retain the color specified, and other color conversion is black and white gray scale.Existing
Having in technology, the color information of a pixel on coloured image, is the colored CCD (Charge of colour imagery shot
Coupled Device, Charge Coupled Device (CCD) imageing sensor) information of four adjacent for pixel pixels is synthesized
Obtain, four pixels that a pixel of such coloured image is accomplished by colored CCD, and black for black and white photographic head
White CCD, a pixel on black-white CCD is exactly a pixel of black white image, so under equal conditions, by cromogram
Being black and white gray scale as carrying out color conversion, the image obtained not as black and white photographic head in the details of black and white gray portion enriches,
And the image color reservation method in actual application, can only use image processing software, to the colour photographed after the picture is taken
Image or video carry out later stage color reservation process, can not carry out the live preview of color reservation when shooting, reduce
User shoots experience.
Summary of the invention
The embodiment of the present invention provides method and the mobile terminal of a kind of image color reservation, to solve current user in shooting
Time, it is impossible to the problem carrying out the live preview of color reservation.
First aspect, it is provided that a kind of method that image color retains, is applied to mobile terminal, and described method includes:
Obtain original image；
Receive user's Colour selection request for described original image；
Object color component scope is determined according to the request of described Colour selection；
According to described object color component scope, original image is carried out color reservation；
Original image after output color reservation.
Second aspect, additionally provides a kind of mobile terminal, including:
Original image acquisition module, is used for obtaining original image；
Colour selection request module, for receiving user's Colour selection request for described original image；
Object color component range determination module, for determining object color component scope according to the request of described Colour selection；
Color reservation module, for carrying out color reservation according to described object color component scope to original image；
Image output module, the original image after output color retains.
The embodiment of the present invention includes advantages below:
In the embodiment of the present invention, by shooting time, receive user for shooting image Colour selection request, according to
The Colour selection request at family determines object color component scope, according to described object color component scope, original image is carried out color reservation,
Original image after output color reservation, therefore, passes through the embodiment of the present invention, it is possible to achieve carry out the reality of color reservation during shooting
Time preview, solve current user shooting time, it is impossible to carry out color retain select, asking of live preview color retention
Topic, the shooting that improve user is experienced.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by institute in the description to the embodiment of the present invention
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the flow chart of the method for a kind of image color reservation of first embodiment of the invention；
Fig. 2 is the flow chart of the method for a kind of image color reservation of second embodiment of the invention；
Fig. 3 is the flow chart of the method for a kind of image color reservation of third embodiment of the invention；
Fig. 4 is the structured flowchart of the mobile terminal of one embodiment of the invention；
Fig. 5 is the block diagram of the object color component range determination module in the mobile terminal embodiment of the present invention；
Fig. 6 is the block diagram of the original image acquisition module in the mobile terminal embodiment of the present invention；
Fig. 7 is the block diagram of the color reservation module in the mobile terminal embodiment of the present invention；
Fig. 8 is the block diagram of the image output module in the mobile terminal embodiment of the present invention；
Fig. 9 is the structured flowchart of the mobile terminal of another embodiment of the present invention；
Figure 10 is the structured flowchart of the mobile terminal of further embodiment of this invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
First embodiment
The flow chart of the method that a kind of image color that Fig. 1 provides for the embodiment of the present invention retains.
With reference to Fig. 1, the method that the image color that the embodiment of the present invention provides retains, it is applied to mobile terminal, described method
Including:
Step 101, obtains original image.
Mobile terminal is when shooting, and the CCD of the colour imagery shot of mobile terminal finds a view, then the coloured silk obtained
Color image signal obtains rgb image data after color separation, respectively amplification correction, then obtains luminance signal through matrixer
Y and two carrier chrominance signals U and V, brightness and three signals of colourity are encoded, with image data frame by last transmitting terminal respectively
Mode sends, and carries out preview on mobile terminals and shows.The method for expressing of this image color is exactly that YUV color space represents,
Use the importance of YUV color space to be its luminance signal Y and carrier chrominance signal U, V are to separate.In the embodiment of the present invention, can
Being to obtain the current frame image data frame of mobile terminal as original image.The data of original image can also be RGB lattice
Formula, for rgb format, can be changed by below equation:
R=Y+1.14V
G=Y-0.39U-0.58V
B=Y+2.03U
In embodiments of the present invention, illustrate with raw image data form for YUV, when raw image data form is
During RGB, can change according to above-mentioned formula.
Step 102, receives user's Colour selection request for described original image.
During shooting, in order to highlight the main body of shooting, user can need the color of reservation by Colour selection request selecting.
In the preview screen of shooting, user can be by selecting some region of color on the image in mobile terminal current preview picture
The color color retained as needs, mobile terminal captures this selection operation, obtains the color information selecting region, such as, obtain color
Color monochrome information Y value, chrominance information U value and V-value, user can also be by directly inputting Y value, U value, V in arranging menu
Color in value or the YUV color space model that ejected by click pre-sets the color needing to retain, and Colour selection please
Ask and include arranging object color component and the color tolerance that needs retain.
Step 103, determines object color component scope according to the request of described Colour selection.
In reality, user selects the color needing to retain to have monochrome information Y value, chrominance information U value and the V-value determined,
On original image, the color in some region and the color needing reservation are to have trickle, the impalpable difference of vision, but should
The color that the Y value of the color in region, U value and V-value and needs retain is likely to be unequal, in order to avoid these are the most difficult
Carry out color reservation process with the similar color identified, need the color that user selects need to retain that one color is set
Tolerance, is i.e. calculated by the color tolerance of user setup, determines object color component scope.Such as, the region that user specifies
Color information be (Y', U', V'), according to the tolerance Δ U and Δ V of user setup, object color component scope is U ∈ (U'-Δ U, U'
+ Δ U), V ∈ (V'-Δ V, V'+ Δ V).
Step 104, carries out color reservation according to described object color component scope to original image.
In real image color reservation process, processor obtains the color information of the pixel of original image one by one, sentences
Whether the chrominance information U value of this pixel disconnected and V-value be in the range of object color component, extraneous in object color component to U value and V-value
Pixel, is set to 0 by chrominance information U value and the V of this pixel, will the color conversion of pixel be black and white gray-scale map.
In shooting process, processor can be that the original image obtained is carried out color reservation process, it is also possible to is
According to user's target setting Color Range, the image to camera collection, carry out color reservation process in real time.
Step 105, the original image after output color reservation.
After each pixel of original image is carried out color reservation process, generate the original image after color retains,
And export to mobile terminal screen, after display color retains, original image carries out preview.
In the embodiment of the present invention, mobile terminal, when shooting, is asked for the Colour selection of original image by reception user
Ask, ask to determine object color component scope according to the Colour selection of user, according to described object color component scope, original image is carried out
Color retains, and the original image after output color reservation is to mobile terminal screen, therefore, by the embodiment of the present invention, Ke Yishi
When now shooting, carrying out color and retain selection, live preview color retention, the shooting that improve user is experienced.
Second embodiment
The flow chart of the method that a kind of image color that Fig. 2 provides for the embodiment of the present invention retains.
With reference to Fig. 2, the method that the image color that the embodiment of the present invention provides retains, it is applied to mobile terminal, described method
Including:
Step 201, obtains original image.
When mobile terminal shoots, photographic head continuous acquisition image, send to process by the way of image data frame
On screen, live preview is carried out after device.In the embodiment of the present invention, can be that the frame image data frame obtaining mobile terminal is made
For original image.
Step 202, receives user's Colour selection request for described original image.
In the embodiment of the present invention, user can be by selecting a certain region on the image in mobile terminal current preview picture
Color as need retain color, it is also possible to by directly inputting Y value, U value, V-value in arranging menu or passing through a little
Hitting the color in the YUV color space model of ejection and pre-set the color needing to retain, Colour selection request includes arranging to be needed
Object color component to be retained and color tolerance.
Step 203, determines object color component scope according to the request of described Colour selection.
In the embodiment of the present invention, the color information (Y', U', V') in the region can specified according to user, set in conjunction with user
The tolerance Δ U put and Δ V, determines that object color component scope is U ∈ (U'-Δ U, U'+ Δ U), V ∈ (V'-Δ V, V'+ Δ V).
Step 204, obtains the chromatic value of the pixel of original image one by one.
In view data is YUV image data, the color of a pixel has monochrome information Y value, the colourity determined
Information U value and V-value, wherein U value and V-value are the chromatic value of color, describe colors of image and saturation, for the color of specified pixel
Color；Y value is the brightness value of color, namely grey decision-making.In the embodiment of the present invention, according to chromatic value judge color whether with mesh
Mark color is similar to.In implementing, processor obtains the chromatic value of the pixel of original image one by one, i.e. obtains picture element point chromatic
U value and V-value, in actual applications, original image is that (Image Signal Processing, at figure signal by ISP
Reason) process after export YUV image data in processor or storage medium, processor can obtain original from view data
The monochrome information Y value of each pixel, chrominance information U value and V-value on image.
Step 205, it is judged that whether the chromatic value of described pixel is in the chromatic value of object color component scope；The most then return
Return step 204；Otherwise, then step 206 is performed.
In this step, by the chromatic value of the pixel of acquisition, i.e. U value and V-value compare with object color component scope, sentence
Whether disconnected U value belongs to (U'-Δ U, U'+ Δ U), and whether V-value belongs to (V'-Δ V, V'+ Δ V), if U value belongs to (U'-Δ U, U'
+ Δ U) and V-value belong to (V'-Δ V, V'+ Δ V), then illustrate that the color of this pixel is similar with object color component, this picture element point chromatic
It is to need to retain, does not processes, return step 204, continue to obtain the chromatic value of next pixel；If U value is not belonging to
(U'-Δ U, U'+ Δ U) and V-value are not belonging to (V'-Δ V, V'+ Δ V), then color and the object color component difference of this pixel are described
Bigger, it not user's color of needing to retain, need to carry out the color of this pixel color reservation process, perform step
206。
Step 206, will be set to default value at the chromatic value of the extraneous described pixel of object color component.
In embodiments of the present invention, need to carry out color reservation process, Ke Yishi at the extraneous pixel of object color component
The chromatic value of this pixel is set to default value, and brightness value does not processes.In actual applications, color is needed in order to prominent
The color main body retained, accordingly it will usually be desirable to reservation color outside pixel show with black and white gray-scale map, the embodiment of the present invention
In, U value and V-value can be set to U=0, V=0, monochrome information Y value does not processes, will the color of this pixel with black and white
Gray-scale map shows.
Step 207, the original image after output color reservation.
After all pixels of original image are carried out color reservation process, regenerate the original graph after color retains
Picture, the screen of output to mobile terminal shows, user can carry out preview, in embodiments of the present invention, when user terminates
During preview, continuing to obtain next frame image and carry out color reservation process, the image after the reservation of real-time output color is to mobile terminal
Screen.
In the embodiment of the present invention, mobile terminal, when shooting, is asked for the Colour selection of original image by reception user
Ask, determine object color component scope, obtain the chromatic value of the pixel of original image one by one, by chromatic value outside object color component scope
Pixel carry out color reservation process, output color retain after original image to mobile terminal screen, therefore, by this
Bright embodiment, it is possible to achieve during shooting, carries out color and retains selection, in real time original image is carried out color reservation process, output
Original image after color retains carries out preview to mobile terminal screen, and the shooting that improve user is experienced.
3rd embodiment
The flow chart of the method that a kind of image color that Fig. 3 provides for the embodiment of the present invention retains.
With reference to Fig. 3, the method that the image color that the embodiment of the present invention provides retains, it is applied to mobile terminal, described movement
Terminal includes that the first photographic head and second camera, described method include:
Step 301, based on described first photographic head shooting coloured image, shoots artwork master based on described second camera
Picture.
In the embodiment of the present invention, mobile terminal includes that the first photographic head and second camera, the first photographic head can be color
Color photographic head is used for shooting coloured image, second camera can be black and white photographic head for shooting black white image, first shooting
Head and second camera synchronization are found a view, and obtain coloured image and black white image, and the frame obtaining the first camera collection is color
Color image is as needing to carry out the original image of color reservation.Concrete, the first photographic head and second camera have independent
ISP, exports coloured image and black white image respectively by two ISP, can obtain a frame figure of the ISP output of the first photographic head
As data, i.e. one color image frame is as original image.
Step 302, receives user's Colour selection request for described original image.
In the embodiment of the present invention, user can be by selecting a certain region on the image in mobile terminal current preview picture
Color as need retain color, it is also possible to by directly inputting Y value, U value, V-value in arranging menu or passing through a little
Hitting the color in the YUV color space model of ejection and pre-set the color needing to retain, Colour selection request includes arranging to be needed
Object color component to be retained and color tolerance.
Step 303, determines object color component scope according to the request of described Colour selection.
(Y', U', V') and the color tolerance Δ U and Δ V of the color area that object color component scope can be specified according to user,
Object color component scope may determine that as U ∈ (U'-Δ U, U'+ Δ U), V ∈ (V'-Δ V, V'+ Δ V).
Step 304, obtains chromatic value and the brightness value of the pixel of the coloured image of described first photographic head shooting one by one.
In implementing, processor obtains the color information of the pixel of the coloured image of the first photographic head shooting one by one,
I.e. obtaining the monochrome information Y value of picture element point chromatic, chrominance information U value and V-value, wherein U value and V-value are the chromatic value of pixel,
Colors of image and saturation are described, for the color of specified pixel；Y value is the brightness value of color, namely grey decision-making.In reality
In application, coloured image is that after being processed by ISP (Image Signal Processing, image signal processing), output YUV schemes
As, in data to processor or storage medium, processor can obtain each pixel on coloured image from view data
Monochrome information Y value, chrominance information U value and V-value.
Step 305, it is judged that whether the chromatic value of the pixel of described coloured image is in the chromatic value of object color component scope；
If so, perform step 306, otherwise, perform step 307.
In the embodiment of the present invention, by the chromatic value of the pixel of coloured image, i.e. U value and V-value enter with object color component scope
Row compares, it is judged that whether U value belongs to (U'-Δ U, U'+ Δ U), and whether V-value belongs to (V'-Δ V, V'+ Δ V), if U value belongs to
(U'-Δ U, U'+ Δ U) and V-value belong to (V'-Δ V, V'+ Δ V), then illustrate that the color of this pixel is similar with object color component, should
Picture element point chromatic is to need to retain, and performs step 306；
If U value is not belonging to (U'-Δ U, U'+ Δ U) and V-value is not belonging to (V'-Δ V, V'+ Δ V), then this pixel is described
Color and object color component comparison in difference big, be not user's color of needing to retain, need the color of this pixel is carried out color
Color reservation process, performs step 307.
Step 306, is set to the brightness value of corresponding pixel points on black white image by the brightness value of described pixel；
U value belongs to (U'-Δ U, U'+ Δ U) and V-value belongs to (V'-Δ V, V'+ Δ V), then illustrate this pixel color and
Object color component is similar to, and this picture element point chromatic is to need to retain, then the brightness value Y value of this pixel is set to black white image pair
The brightness value of the pixel answered.In embodiments of the present invention, described first photographic head and the shooting of second camera synchronization take
Obtain coloured image and black white image, after independent ISP processor processes, preserve brightness value and the colourity of each pixel
Value, owing to black white image details is more, is set to the brightness value Y of the pixel needing color to retain by the brightness value of black white image
Value.
Step 307, will be set to default value at the chromatic value of the extraneous described pixel of object color component, and by described picture
The brightness value of vegetarian refreshments is set to the brightness value of corresponding pixel points on black white image.
The U value of pixel is not belonging to (U'-Δ U, U'+ Δ U) and V-value is not belonging to (V'-Δ V, V'+ Δ V), then this picture is described
The color of vegetarian refreshments and object color component comparison in difference are big, are not user's colors of needing to retain, can the colourity of this pixel be set
It is set to default value, in actual applications, for the prominent main body needing color to retain, accordingly it will usually be desirable to outside the color of reservation
Color be set to black and white gray scale and show, in the embodiment of the present invention, U value and V-value can be set to U=0, V=0, will should
Pixel shows with black and white gray-scale map, meanwhile, the brightness value Y value of this pixel is set to pixel corresponding to black white image
Brightness value.
In practice, the information of a pixel in the colored CCD of colour imagery shot, by four pixels near pixel
Point composition, by color separation filter realize light photosensitive.One pixel of this sampled images is accomplished by four pixels of colored CCD
Point.And the black-white CCD of black and white photographic head, it is not necessary to color separation filter gathers colouring information, and above black-white CCD, a pixel is permissible
Obtaining monochrome information, it is possible to make under equal conditions, the light-inletting quantity of black-white CCD is bigger than colored CCD light-inletting quantity, gets picture
Element details is more.Therefore, the brightness value Y value of coloured image is set to the brightness value of pixel corresponding to black white image, permissible
The black and white gray portion after conversion is made to obtain the details of more horn of plenty.
Step 308, the original image after being retained by described color exports to mobile terminal screen.
After all pixels of original image are carried out color reservation process, regenerate the original graph after color retains
Picture, the screen of output to mobile terminal shows, user can carry out live preview, in embodiments of the present invention, works as user
When terminating preview, continuing to obtain next frame image and carry out color reservation process, the image after real-time output color retains is the most mobile
Terminal screen.
In the embodiment of the present invention, mobile terminal includes the first photographic head and second camera, is shot by the first photographic head
Coloured image, second camera shooting black white image, obtain first photographic head shooting coloured image be original image, according to
Family is asked for the Colour selection of coloured image, determines object color component scope, obtains the colourity of the pixel of original image one by one
Value, by chromatic value, pixel in the range of object color component does not carries out color reservation process, and by the pixel of black white image
Brightness value is set to the brightness value of the pixel of original image, output color retain after shooting image to mobile terminal screen,
Therefore, pass through the embodiment of the present invention, it is possible to achieve during shooting, carry out color and retain selection, in real time preview image is carried out color
Reservation process, the shooting image after output color retains carries out preview to mobile terminal screen, and the shooting that improve user is experienced,
It addition, the monochrome information of black white image is set to the monochrome information of original image by the embodiment of the present invention, it is possible to obtain details is more
The color of horn of plenty retains image.
4th embodiment
Fig. 4 is the block diagram of the mobile terminal of one embodiment of the invention.Mobile terminal 400 shown in Fig. 4 includes original graph
As acquisition module 401, Colour selection request module 402, object color component range determination module 403, color reservation module 404, figure
As output module 405.
Original image acquisition module 401, is used for obtaining original image；
Colour selection request module 402, for receiving user's Colour selection request for described original image；
Object color component range determination module 403, for determining object color component scope according to the request of described Colour selection；
Color reservation module 404, for carrying out color reservation according to described object color component scope to original image；
Image output module 405, the original image after output color retains.
In one preferred embodiment of the invention, with reference to the block diagram of the object color component range determination module shown in Fig. 5, institute
State object color component range determination module 403 and farther include object color component scope generation submodule 4031.
Object color component scope generates submodule 4031, for according to described object color component and color tolerance, generates aim colour
Color scope.
In one preferred embodiment of the invention, with reference to the block diagram of the original image acquisition module shown in Fig. 6, described shifting
Dynamic terminal 400 includes that the first photographic head and second camera, described original image acquisition module 401 farther include following submodule
Block:
Coloured image obtains submodule 4011, for based on described first photographic head shooting coloured image；
Black white image obtains submodule 4012, for shooting black white image based on described second camera.
In one preferred embodiment of the invention, with reference to the block diagram of the color reservation module of Fig. 7, described color retains mould
Block 404 farther includes: the first chromatic value obtains submodule 4041, and the first chromatic value judges submodule 4042, the first chromatic value
Arranging module 4043, the second chromatic value obtains submodule 4044, and the second chromatic value judges that submodule 4045, the second chromatic value are arranged
Submodule 4046, tertiary color angle value arranges submodule 4047.
First chromatic value obtains submodule 4041, for obtaining the chromatic value of the pixel of original image one by one；
First chromatic value judges submodule 4042, for judging that whether the chromatic value of described pixel is in object color component scope
Chromatic value in；
First chromatic value arranges module 4043, for by the chromatic value described pixel outside object color component scope chromatic value
Chromatic value be set to default value；
Second chromatic value obtains submodule 4044, based on described first photographic head shooting coloured image for obtaining one by one
The chromatic value of pixel and brightness value；
Second chromatic value judges submodule 4045, for judging that whether the chromatic value of the pixel of described coloured image is at mesh
In the chromatic value of mark Color Range；
Second chromatic value arranges submodule 4046, for by chromatic value pixel in object color component scope chromatic value
Brightness value is set to the brightness value of corresponding pixel points on black white image；
Tertiary color angle value arranges submodule 4047, for being set to pre-at the chromatic value of the extraneous pixel of object color component
If numerical value, and the brightness value of described pixel is set to the brightness value of corresponding pixel points on black white image.
In one preferred embodiment of the invention, with reference to the block diagram of the image output module shown in Fig. 8, described image is defeated
Go out module 405 and farther include preview image output sub-module 4051.
Preview image output sub-module 4051, the original image after being retained by described color exports as preview image
To mobile terminal screen.
Mobile terminal 400 is capable of each process that in the embodiment of the method for Fig. 1 and Fig. 3, mobile terminal realizes, for keeping away
Exempt to repeat, repeat no more here.
In embodiments of the present invention, mobile terminal includes the first photographic head and second camera, is clapped by the first photographic head
Take the photograph coloured image, second camera shooting black white image, by receiving user's Colour selection request for coloured image, determine
Object color component scope, obtains the chromatic value of the pixel of current taken image one by one, by chromatic value in the range of object color component outside
Pixel carry out color reservation process, and the brightness value of the pixel of black white image is set to the pixel of coloured image
Brightness value, the shooting image after output color reservation is to mobile terminal screen, it is possible to achieve during shooting, carries out color and retains choosing
Selecting, preview image carries out color reservation process in real time, the shooting image after output color retains is carried out to mobile terminal screen
Preview, the shooting that improve user is experienced, and retains it addition, the monochrome information of black white image is set to color by the embodiment of the present invention
After monochrome information, it is possible to obtain the color of details more horn of plenty retains image.
5th embodiment
Fig. 9 is the block diagram of the mobile terminal of another embodiment of the present invention.Mobile terminal 1000 shown in Fig. 9 includes: extremely
A few processor 1001, memorizer 1002, at least one network interface 1004 and user interface 1003, assembly 1006 of taking pictures.
Each assembly in mobile terminal 1000 is coupled by bus system 1005.It is understood that bus system 1005 is for real
Connection communication between these assemblies existing.Bus system 1005, in addition to including data/address bus, also includes power bus, always controls
Line and status signal bus in addition.But for the sake of understanding explanation, in fig .9 various buses are all designated as bus system 1005, clap
The first photographic head, second camera is included according to assembly 1006；Wherein, the first photographic head is colour imagery shot, is used for shooting colour
Image, second camera is black and white photographic head, is used for shooting black white image.
User interface 1003 can include display, keyboard or pointing device (such as, mouse, trace ball
(trackball), touch-sensitive plate or touch screen etc..
The memorizer 1002 being appreciated that in the embodiment of the present invention can be volatile memory or non-volatile memories
Device, maybe can include volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read only memory
(Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only
Read memorizer (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM,
Or flash memory EEPROM).Volatile memory can be random access memory (Random Access Memory, RAM), and it is used
Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static random-access
Memorizer (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random-access
Memorizer (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data
Rate SDRAM, DDRSDRAM), enhancement mode Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronize
Connect dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory
(Direct Rambus RAM, DRRAM).The memorizer 1002 of system and method that the embodiment of the present invention describes be intended to include but
It is not limited to these and the memorizer of other applicable type any.
In some embodiments, memorizer 1002 stores following element, executable module or data structure, or
Their subset of person, or their superset: operating system 10021 and application program 10022.
Wherein, operating system 10021, comprise various system program, such as ccf layer, core library layer, driving layer etc., be used for
Realize various basic business and process hardware based task.Application program 10022, comprises various application program, such as according to
Camera application program, media player (Media Player), browser (Browser) etc., be used for realizing various applied business.
The program realizing embodiment of the present invention method may be embodied in application program 10022.
In embodiments of the present invention, by calling program or the instruction of memorizer 1002 storage, concrete, can be application
The program of storage or instruction in program 10022, processor 1001 for when shooting, obtaining original image, receive user for
The Colour selection request of shooting image, asks to determine object color component scope, according to described aim colour according to the Colour selection of user
Color scope carries out color reservation, the original image after output color reservation to original image.
The method that the invention described above embodiment discloses can apply in processor 1001, or real by processor 1001
Existing.Processor 1001 is probably a kind of IC chip, has the disposal ability of signal.During realizing, said method
Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1001 or software form.Above-mentioned
Processor 1001 can be general processor, digital signal processor (Digital Signal Processor, DSP), special
Integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components.Can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General
The processor etc. that processor can be microprocessor or this processor can also be any routine.In conjunction with embodiment of the present invention institute
The step of disclosed method can be embodied directly in hardware decoding processor and perform, or with the hardware in decoding processor
And software module combination execution completes.Software module may be located at random access memory, and flash memory, read only memory are able to programme read-only
In the storage medium that this areas such as memorizer or electrically erasable programmable memorizer, depositor are ripe.This storage medium is positioned at
Memorizer 1002, processor 1001 reads the information in memorizer 1002, completes the step of said method in conjunction with its hardware.
It is understood that the embodiment of the present invention describe these embodiments can use hardware, software, firmware, middleware,
Microcode or a combination thereof realize.Realizing for hardware, processing unit can be implemented in one or more special IC
(Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal
Processing, DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable
Logic Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general place
Reason device, controller, microcontroller, microprocessor, for performing in other electronic unit or a combination thereof of herein described function.
Software is realized, can come by performing the module (such as process, function etc.) of function described in the embodiment of the present invention
Realize the technology described in the embodiment of the present invention.Software code is storable in performing in memorizer and by processor.Memorizer can
Within a processor or to realize outside processor.
Alternatively, processor 1001 is additionally operable to: according to described object color component and color tolerance, generates object color component scope.
Alternatively, processor 1001 is additionally operable to: obtain the chromatic value of the pixel of original image one by one；
Judge that the chromatic value of described pixel is whether in the chromatic value of object color component scope；The most then obtain the next one
The chromatic value of pixel；If it is not, then default value will be set at the chromatic value of the extraneous described pixel of object color component.
Alternatively, processor 1001 is additionally operable to: based on described first photographic head shooting coloured image；Take the photograph based on described second
As head shoots black white image.
Alternatively, processor 1001 is additionally operable to: obtain the pixel of the coloured image of described first photographic head shooting one by one
Chromatic value and brightness value；Judge that the chromatic value of pixel of described coloured image is whether at the chromatic value of object color component scope
In；The most then the brightness value of described pixel is set to the brightness value of corresponding pixel points on black white image；If it is not, will be at mesh
The chromatic value of the described pixel outside mark Color Range is set to default value, and the brightness value of described pixel is set to artwork master
Brightness value as upper corresponding pixel points.
Alternatively, processor 1001 is additionally operable to: the original image after being retained by described color exports to mobile terminal screen.
Mobile terminal 1000 is capable of each process that in previous embodiment, mobile terminal realizes, for avoiding repeating, this
In repeat no more.
In embodiments of the present invention, mobile terminal includes the first photographic head and second camera, is clapped by the first photographic head
Take the photograph coloured image, second camera shooting black white image, receive user's Colour selection request for coloured image, determine target
Color Range, obtains the chromatic value of the pixel of original image one by one, the not pixel in the range of object color component by chromatic value
Carry out color reservation process, and the brightness value of the pixel of black white image be set to the brightness value of the pixel of original image,
Shooting image after output color reservation is to mobile terminal screen, it is possible to achieve during shooting, carries out color and retains selection, the most right
Preview image carries out color reservation process, and original image to the mobile terminal screen after output color retains carries out preview, improves
The shooting of user is experienced, it addition, the embodiment of the present invention monochrome information of black white image is set to after color retains original
Image luminance information, it is possible to obtain the color of details more horn of plenty retains image.
Sixth embodiment
Figure 10 is the structural representation of the mobile terminal of one embodiment of the invention.Specifically, the mobile terminal in Figure 10
1100 can be mobile phone, panel computer, personal digital assistant (Personal Digital Assistant, PDA) or vehicle mounted electric
Brain etc..
Mobile terminal 1100 in Figure 10 include radio frequency (Radio Frequency, RF) circuit 1101, memorizer 1102,
Input block 1103, display unit 1104, processor 1106, voicefrequency circuit 1107, WiFi (Wireless Fidelity) module
1108, power supply 1109 and assembly 1105 of taking pictures.
Wherein, input block 1103 can be used for receiving numeral or the character information of user's input, and produce and move eventually
The user setup of end 1100 and function control relevant signal input.Specifically, in the embodiment of the present invention, this input block
1103 can include contact panel 11031.Contact panel 11031, also referred to as touch screen, can collect user thereon or neighbouring
Touch operation (such as user uses any applicable object such as finger, stylus or adnexa operation on contact panel 11031),
And drive corresponding attachment means according to formula set in advance.Optionally, contact panel 11031 can include touch detecting apparatus
With two parts of touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect what touch operation brought
Signal, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and it is changed
Become contact coordinate, then give this processor 1106, and order that processor 1106 sends can be received and performed.Additionally, can
To use the polytypes such as resistance-type, condenser type, infrared ray and surface acoustic wave to realize contact panel 11031.Except touch surface
Plate 11031, input block 1103 can also include other input equipments 11032, other input equipments 11032 can include but not
It is limited to the one in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
Or it is multiple.
Wherein, display unit 1104 can be used for showing the information inputted by user or the information being supplied to user and movement
The various menu interfaces of terminal 1100.Display unit 1104 can include display floater 11041, optionally, can use LCD or have
The forms such as machine light emitting diode (Organic Light-Emitting Diode, OLED) configure display floater 11041.
It should be noted that contact panel 11031 can cover display floater 11041, formed and touch display screen, when this touch shows
Screen detects thereon or after neighbouring touch operation, sends processor 1106 to determine the type of touch event, locates subsequently
Reason device 1106 provides corresponding visual output according to the type of touch event on touch display screen.
Touch display screen and include Application Program Interface viewing area and conventional control viewing area.This Application Program Interface viewing area
And the arrangement mode of this conventional control viewing area does not limit, can be arranged above and below, left-right situs etc. can be distinguished two and show
Show the arrangement mode in district.This Application Program Interface viewing area is displayed for the interface of application program.Each interface is permissible
The interface elements such as the icon and/or the widget desktop control that comprise at least one application program.This Application Program Interface viewing area
It can also be the empty interface not comprising any content.This conventional control viewing area is for showing the control that utilization rate is higher, such as,
The application icons etc. such as settings button, interface numbering, scroll bar, phone directory icon.
Assembly 1105 of taking pictures includes the first photographic head, second camera, and wherein processor 1106 is mobile terminal 1100
Control centre, utilizes various interface and the various piece of the whole mobile phone of connection, is stored in first is deposited by operation or execution
Software program in reservoir 11021 and/or module, and call the data being stored in second memory 11022, perform movement
The various functions of terminal 1100 and process data, thus mobile terminal 1100 is carried out integral monitoring.Optionally, processor 1106
One or more processing unit can be included.
In embodiments of the present invention, by calling the software program and/or module stored in this first memory 11021
And/or the data in this second memory 11022, processor 1106 is for, when in shooting, controlling the first camera collection color
Color image, second camera gathers black white image, receives user's Colour selection request for original image, according to the color of user
Color selection is selected request and is determined object color component scope, according to described object color component scope, original image is carried out color reservation, exports color
Original image after color reservation.
Alternatively, processor 1160 is additionally operable to: according to described object color component and color tolerance, generates object color component scope.
Alternatively, processor 1160 is additionally operable to obtain one by one the chromatic value of the pixel of original image；Judge described pixel
Whether the chromatic value of point is in the chromatic value of object color component scope；The most then obtain the chromatic value of next pixel；If it is not,
Then the chromatic value of described pixel is set to default value.
Alternatively, processor 1160 is additionally operable to based on described first photographic head shooting coloured image；Take the photograph based on described second
As head shoots black white image.
Alternatively, processor 1160 is additionally operable to: obtain the pixel of the coloured image of described first photographic head shooting one by one
Chromatic value and brightness value；Judge that the chromatic value of pixel of described coloured image is whether at the chromatic value of object color component scope
In；If so, the brightness value of described pixel is set to the brightness value of corresponding pixel points on black white image；If it is not, will be in target
The chromatic value of the described pixel outside Color Range is set to default value, and by the extraneous described pixel of object color component
Brightness value is set to the brightness value of corresponding pixel points on black white image.
Alternatively, processor 1160 is additionally operable to: the original image after being retained by described color exports extremely as preview image
Mobile terminal screen.
Visible, in embodiments of the present invention, mobile terminal includes the first photographic head and second camera, by the first shooting
Head shooting coloured image, second camera shooting black white image, receive user's Colour selection request for coloured image, determine
Object color component scope, obtains chromatic value and the brightness value of the pixel of original image one by one, by chromatic value not at object color component model
Enclose interior pixel and carry out color reservation process, and the brightness value of the pixel of black white image is set to the pixel of original image
The brightness value of point, the shooting image after output color reservation is to mobile terminal screen, it is possible to achieve during shooting, carry out color reservation
Selecting, preview image carries out color reservation process in real time, the shooting image after output color retains enters to mobile terminal screen
Row preview, the shooting that improve user is experienced, and protects it addition, the monochrome information of black white image is set to color by the embodiment of the present invention
The monochrome information of the original image after staying, it is possible to obtain the color of details more horn of plenty retains image.
For mobile terminal embodiment, due to itself and embodiment of the method basic simlarity, so describe is fairly simple,
Relevant part sees the part of embodiment of the method and illustrates.
Each embodiment in this specification all uses the mode gone forward one by one to describe, what each embodiment stressed is with
The difference of other embodiments, between each embodiment, identical similar part sees mutually.
Those skilled in the art are it should be appreciated that the embodiment of the embodiment of the present invention can be provided as method, device or calculate
Machine program product.Therefore, the embodiment of the present invention can use complete hardware embodiment, complete software implementation or combine software and
The form of the embodiment of hardware aspect.And, the embodiment of the present invention can use one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) of program code
The form of the computer program implemented.
The embodiment of the present invention is with reference to method, terminal unit (system) and computer program according to embodiments of the present invention
The flow chart of product and/or block diagram describe.It should be understood that can be by computer program instructions flowchart and/or block diagram
In each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.These can be provided
Computer program instructions sets to general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that held by the processor of computer or other programmable data processing terminal equipment
The instruction of row produces for realizing in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame
The device of the function specified.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing terminal equipment
In the computer-readable memory worked in a specific way so that the instruction being stored in this computer-readable memory produces bag
Including the manufacture of command device, this command device realizes in one flow process of flow chart or multiple flow process and/or one side of block diagram
The function specified in frame or multiple square frame.
These computer program instructions also can be loaded on computer or other programmable data processing terminal equipment so that
On computer or other programmable terminal equipment, execution sequence of operations step is to produce computer implemented process, thus
The instruction performed on computer or other programmable terminal equipment provides for realizing in one flow process of flow chart or multiple flow process
And/or the step of the function specified in one square frame of block diagram or multiple square frame.
Although having been described for the preferred embodiment of the embodiment of the present invention, but those skilled in the art once knowing base
This creativeness concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to
The all changes including preferred embodiment and falling into range of embodiment of the invention and amendment.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operation
Between exist any this reality relation or order.And, art+language " includes ", " comprising " or its any other variant
It is intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or terminal unit not only
Including those key elements, but also include other key elements being not expressly set out, or also include for this process, method, thing
Product or the intrinsic key element of terminal unit.In the case of there is no more restriction, statement " including ... " limit
Key element, it is not excluded that there is also other identical want in including the process of described key element, method, article or terminal unit
Element.
Claims (12)
1. the method that image color retains, is applied to mobile terminal, it is characterised in that described method includes:
Obtain original image；
Receive user's Colour selection request for described original image；
Object color component scope is determined according to the request of described Colour selection；
According to described object color component scope, original image is carried out color reservation；
Original image after output color reservation.
Method the most according to claim 1, it is characterised in that the request of described Colour selection includes object color component and color
Tolerance, described according to described Colour selection request determine that the step of object color component scope includes:
According to described object color component and color tolerance, generate object color component scope.
Method the most according to claim 1 and 2, it is characterised in that described according to described object color component scope to original graph
Include as carrying out the step of color reservation process:
Obtain the chromatic value of the pixel of original image one by one；
Judge that the chromatic value of described pixel is whether in the chromatic value of object color component scope；
The most then obtain the chromatic value of next pixel；
If it is not, then default value will be set at the chromatic value of the extraneous described pixel of object color component.
Method the most according to claim 1, it is characterised in that described mobile terminal includes the first photographic head and the second shooting
Head, the step of described acquisition original image includes:
Based on described first photographic head shooting coloured image；
Black white image is shot based on described second camera.
Method the most according to claim 4, it is characterised in that described according to described object color component scope, original image is entered
The step of row color reservation process includes:
Obtain chromatic value and the brightness value of the pixel of the coloured image of described first photographic head shooting one by one；
Judge that the chromatic value of pixel of described coloured image is whether in the chromatic value of object color component scope；
If so, the brightness value of described pixel is set to the brightness value of corresponding pixel points on black white image；
If it is not, the chromatic value at the extraneous described pixel of object color component is set to default value, and will be at object color component model
The brightness value enclosing outer described pixel is set to the brightness value of corresponding pixel points on black white image.
Method the most according to claim 1, it is characterised in that the step bag of the original image after the reservation of described output color
Include:
Original image after being retained by described color exports to mobile terminal screen as preview image.
7. a mobile terminal, it is characterised in that described mobile terminal includes:
Original image acquisition module, is used for obtaining original image；
Colour selection request module, for receiving user's Colour selection request for described original image；
Object color component range determination module, for determining object color component scope according to the request of described Colour selection；
Color reservation module, for carrying out color reservation according to described object color component scope to original image；
Image output module, the original image after output color retains.
Mobile terminal the most according to claim 7, it is characterised in that described Colour selection request include object color component and
Color tolerance, described object color component range determination module includes:
Object color component scope generates submodule, for according to described object color component and color tolerance, generates object color component scope.
9. according to the mobile terminal described in claim 7 or 8, it is characterised in that described color reservation module includes:
First chromatic value obtains submodule, for obtaining the chromatic value of the pixel of original image one by one；
First chromatic value judges submodule, for judging that the chromatic value of described pixel is whether at the chromatic value of object color component scope
In；
First chromatic value arranges module, for being set to present count at the chromatic value of the extraneous described pixel of object color component
Value.
Mobile terminal the most according to claim 7, it is characterised in that described mobile terminal includes the first photographic head and
Two photographic head, original image acquisition module includes:
Coloured image obtains submodule, for based on described first photographic head shooting coloured image；
Black white image obtains submodule, for shooting black white image based on described second camera.
11. mobile terminals according to claim 10, it is characterised in that described color reservation module includes:
Second chromatic value obtains submodule, for obtaining pixel based on described first photographic head shooting coloured image one by one
Chromatic value and brightness value；
Second chromatic value judges submodule, for judging that whether the chromatic value of the pixel of described coloured image is at object color component model
In the chromatic value enclosed；
Second chromatic value arranges submodule, for being set to black by the brightness value of the pixel in object color component scope chromatic value
The brightness value of corresponding pixel points on white image；
Tertiary color angle value arranges submodule, for being set to present count at the chromatic value of the extraneous described pixel of object color component
Value, and the brightness value of corresponding pixel points on black white image will be set at the brightness value of the extraneous described pixel of object color component.
12. mobile terminals according to claim 7, it is characterised in that described image output module includes:
Preview image output sub-module, the original image after being retained by described color is as preview image output to moving eventually
End screen.
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