CN106484257A - Camera control method, device and electronic equipment - Google Patents
Camera control method, device and electronic equipment Download PDFInfo
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- CN106484257A CN106484257A CN201610844608.1A CN201610844608A CN106484257A CN 106484257 A CN106484257 A CN 106484257A CN 201610844608 A CN201610844608 A CN 201610844608A CN 106484257 A CN106484257 A CN 106484257A
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- brightness
- target area
- area
- preview image
- adjustment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04847—Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
Abstract
The present invention proposes a kind of camera control method, device and electronic equipment, wherein, the camera control method, comprise the following steps：Receive user is operated to the regional choice of present preview image；Determine the target area for needing that brightness adjustment is carried out in the preview image according to regional choice operation；Determine the brightness adjustment parameter of the target area；The brightness of the target area is adjusted according to the brightness adjustment parameter, and photo is generated according to the image after adjustment.Embodiments of the invention, can individually be adjusted, it is to avoid the problem of darker or lighter or even overexposure occur by the region segmentation for needing to adjust brightness out.
Description
Technical field
The present invention relates to shooting technology field, more particularly to a kind of camera control method, device and electronic equipment.
Background technology
At present, the Exposure mode that commonly uses during taking pictures is mainly overall exposing, that is to say the time for exposure of entire image
It is all identical.However, overall exposing has a problem that：If determine the exposure of entire image according to bright area in image
Between, then in entire image, the brightness of bright area can be controlled, but dark areas arise that under exposed problem；If root
The time for exposure of entire image is determined according to dark areas in image, then in entire image, dark areas brightness can be raised up, but
Bright area occurs the situation of overexposure.That is, the overall exposing mode for adopting at present deposits local luminance dynamic in the picture
The inadequate problem of scope, causes the image level for shooting not enough to enrich.
Content of the invention
It is contemplated that at least solving above-mentioned technical problem to a certain extent.
For this purpose, first purpose of the present invention is to propose a kind of camera control method, will can need to adjust brightness
Region segmentation out, is individually adjusted, it is to avoid the problem of darker or lighter or even overexposure occur.
Second object of the present invention is to propose a kind of photographing control device.
Third object of the present invention is to propose a kind of electronic equipment.
For reaching above-mentioned purpose, embodiment proposes a kind of camera control method according to a first aspect of the present invention, including following
Step：
Receive user is operated to the regional choice of present preview image；
Determine the target area for needing that brightness adjustment is carried out in the preview image according to regional choice operation；
Determine the brightness adjustment parameter of the target area；
The brightness of the target area is adjusted according to the brightness adjustment parameter, and is given birth to according to the image after adjustment
Become photo.
Camera control method according to embodiments of the present invention, can also be with following additional technical feature：
In one embodiment of the invention, the regional choice operation is touch operation, described according to region choosing
Select operation determine the target area that brightness adjustment is needed to carry out in the preview image, including：
According to the corresponding image-region of the touch operation, based on default Rule of Region-growth, first area is generated, and
Using the first area as the target area；
Or,
According to the corresponding image-region of the touch operation and the depth of view information of the present preview image, determine with described
The first area that the corresponding reference object of touch operation is located, and using the first area as the target area.
In one embodiment of the invention, the regional choice operation is frame selection operation, described according to region choosing
Select operation determine the target area that brightness adjustment is needed to carry out in the preview image, including：
Determine the selected first area of the frame selection operation, and using the first area as the target area.
In one embodiment of the invention, using the first area as before the target area, also include：
Judge whether the brightness of the first area is more than predetermined threshold value with the difference of the brightness of the present preview image；
Wherein, it is more than predetermined threshold value in the brightness of the first area with the difference of the brightness of the present preview image
When, determine the first area for the target area.
In one embodiment of the invention, the brightness adjustment parameter for determining the target area, including：
Brightness adjustment option is provided；
Operation of the user to the brightness adjustment option is received, and determines the corresponding brightness adjustment ginseng of the operation
Number.
In one embodiment of the invention, the adjusting parameter includes adjustment modes and adjusted value, described in the determination
The brightness adjustment parameter of target area, including：
If more than the brightness of the present preview image, the adjustment modes are for dimming for the brightness of the target area
Pattern；
If less than the brightness of the present preview image, the adjustment modes are for lightening for the brightness of the target area
Pattern；
Brightness according to the target area determines corresponding adjusted value with the difference of the brightness of the present preview image.
In one embodiment of the invention, also include：
If the corresponding reference object in the target area is kept in motion, object is carried out to the reference object and is chased after
Track, so that, in the motion process of the reference object, Mobile state tune is entered in the brightness to the corresponding image-region of the reference object
Whole.
Second aspect present invention embodiment provides a kind of photographing control device, including：
Receiver module, operates to the regional choice of present preview image for receive user；
First determining module, needs to carry out brightness tune in the preview image for being determined according to regional choice operation
Whole target area；
Second determining module, for determining the brightness adjustment parameter of the target area；
Adjusting module, for being adjusted to the brightness of the target area according to the brightness adjustment parameter；
Generation module, for generating photo according to the image after adjustment.
Photographing control device according to embodiments of the present invention, can also be with following additional technical feature：
In one embodiment of the invention, the regional choice operation is touch operation, and first determining module is used
In：
According to the corresponding image-region of the touch operation, based on default Rule of Region-growth, first area is generated, and
Using the first area as the target area；
Or,
According to the corresponding image-region of the touch operation and the depth of view information of the present preview image, determine with described
The first area that the corresponding reference object of touch operation is located, and using the first area as the target area.
In one embodiment of the invention, the regional choice operation is frame selection operation, and first determining module is used
In：
Determine the selected first area of the frame selection operation, and using the first area as the target area.
In one embodiment of the invention, also include：
Judge module, for judge the brightness of the first area and the brightness of the present preview image difference whether
More than predetermined threshold value；
Wherein, first determining module is used for the brightness of the brightness in the first area and the present preview image
Difference more than predetermined threshold value when, determine the first area for the target area.
In one embodiment of the invention, second determining module is used for：
Brightness adjustment option is provided；
Operation of the user to the brightness adjustment option is received, and determines the corresponding brightness adjustment ginseng of the operation
Number.
In one embodiment of the invention, the adjusting parameter includes adjustment modes and adjusted value, and described second determines
Module is used for：
If more than the brightness of the present preview image, the adjustment modes are for dimming for the brightness of the target area
Pattern；
If less than the brightness of the present preview image, the adjustment modes are for lightening for the brightness of the target area
Pattern；
Brightness according to the target area determines corresponding adjusted value with the difference of the brightness of the present preview image.
In one embodiment of the invention, also include：
Tracing module is for when the corresponding reference object in the target area is kept in motion, right to the shooting
As carrying out object tracking, with the motion process of the reference object, to the bright of the corresponding image-region of the reference object
Spend into Mobile state and adjust.
Third aspect present invention embodiment provides a kind of electronic equipment, including following one or more assemblies：Circuit board,
Housing, processor, memory, power circuit, multimedia groupware, audio-frequency assembly, the interface of input/output (I/O), sensor group
Part, communication component and antenna；Wherein, the circuit board is placed in the interior volume that the housing is surrounded, the processor and
The memory is arranged on the circuit board；The power circuit, for each circuit for the mobile terminal or device
Power supply；The memory is used for storing executable program code；The processor can by stored in the reading memory
Configuration processor code running program corresponding with the executable program code, for executing following steps：
Receive user is operated to the regional choice of present preview image；
Determine the target area for needing that brightness adjustment is carried out in the preview image according to regional choice operation；
Determine the brightness adjustment parameter of the target area；
The brightness of the target area is adjusted according to the brightness adjustment parameter, and is given birth to according to the image after adjustment
Become photo.
The camera control method of the embodiment of the present invention, device and electronic equipment, according to area of the user to present preview image
Domain selection operation determines the target area for needing to carry out brightness adjustment, and determines the brightness adjustment parameter of the target area, according to
The adjusting parameter is adjusted to the brightness in current region, and generates photo according to the view data after adjustment, will can be needed
The region segmentation of adjustment brightness out, is individually adjusted, and does not affect brightness and the exposure in other regions, consequently facilitating user
Brightness and exposure adjustment are carried out according to demand, to obtain the photo with preferable dynamic range, it is to avoid darker or lighter occur
Or even the problem of overexposure, solve the problems, such as that highlighted compacting and low-light level lifting have contradiction in current automatic exposure, that is to say solution
Determined at present highlighted low-light level problem also can cannot have been lifted well while accomplishing to suppress well.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment
Substantially and easy to understand, wherein：
Fig. 1 is the flow chart of the camera control method according to one embodiment of the invention；
Fig. 2 is the flow chart of the camera control method according to another embodiment of the present invention；
Fig. 3 is the structural representation of the photographing control device according to one embodiment of the invention；
Fig. 4 is the structural representation of the photographing control device according to another embodiment of the present invention；
Fig. 5 is the structural representation of the photographing control device according to another embodiment of the present invention；
Fig. 6 is the block diagram of electronic equipment according to an embodiment of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings camera control method according to embodiments of the present invention, device and electronic equipment are described.
It should be noted that embodiments of the invention can be applicable to the tool such as mobile terminal, Intelligent worn device, smart camera
There is the equipment of camera function.For example, such as in the electronic equipment with camera function such as mobile phone, panel computer.
Fig. 1 is the flow chart of the camera control method according to one embodiment of the invention.
As shown in figure 1, camera control method according to embodiments of the present invention, including：
S101, receive user are operated to the regional choice of present preview image.
Present preview image refers to the image obtained under current light-metering state.Wherein, current light-metering state can be
Light-metering state after acquiescence light-metering state, user preset light-metering state, or last adjustment.
In one embodiment of the invention, present preview image can be obtained under current light-metering state, and pass through image
Preview interface shows user.If the brightness in the one or more regions in present preview image is unsatisfactory for user's requirement, use
This kind of region can be selected by regional choice operation in family, to be adjusted to this kind of region, so which meets the requirement of user.
For example, when preview image has situations below, user is believed which is unsatisfactory for requiring：
The too dark brightness in one or more regions, leads to not distinguish scene outline or shape；
The brightness in one or more regions is excessively bright, causes this kind of field color to be turned white, even completely white, it is impossible to show scenery.
There is above-mentioned situation, can be to user with dynamic range of images deficiency, not abundant enough the visual effect of image level.Cause
This, in this case, user is directed to the above-mentioned region input area selection operation for being unsatisfactory for and requiring, to be implemented by the present invention
In example, subsequent step carries out brightness adjustment, so that the brightness in this kind of region disclosure satisfy that human eye vision discrimination requirement.
If present preview image meets user's requirement, can directly be taken pictures, be generated photo.
In an embodiment of the present invention, regional choice operation may include but be not limited to touch operation (as clicking operation, slip
Operation), frame selection operation etc..
S102, determines the target area for needing to carry out brightness adjustment in the preview image according to regional choice operation
Domain.
In an embodiment of the present invention, in several ways the preview image can be determined according to regional choice operation
The middle target area for needing to carry out brightness adjustment.For example, can through but not limited to according to different regional choice operations, no
Same image information (such as monochrome information, depth of view information) etc. determines above-mentioned target area.
Illustrative to the specific implementation of step S102 below by following several ways.
Mode one
If the regional choice operation of user input is touch operation, can be according to the corresponding image district of the touch operation
Domain, based on default Rule of Region-growth, generates first area, and using the first area as the target area.
Wherein, the basic thought of region growing is that the pixel set of the property of will have like gets up to constitute region.
Specifically, can be first using corresponding for touch operation image-region as sub-pixel, i.e., as the starting point of growth, so
Afterwards, will there is same or analogous pixel (can be given birth to according to predetermined region in sub-pixel surrounding neighbors with sub-pixel
Grow rule or similarity criterion to determine) it is merged in sub-pixel region.By in the region for adding after these new pixels
Pixel proceed process above as new sub-pixel, until the pixel for not meeting condition again is incorporated,
The process of region growing terminates, and obtains first area, and as target area.
Wherein, Rule of Region-growth or similarity criterion can be configured according to monochrome information.
For example, if the brightness value of the pixel in neighborhood is differed less than preset value with the brightness value of sub-pixel,
Then it is believed that the pixel in neighborhood is the similar pixel of sub-pixel.
Mode two
If the regional choice operation of user input is touch operation, can be according to the corresponding image district of the touch operation
Domain and the depth of view information of the present preview image, determine the firstth area that reference object corresponding with the touch operation is located
Domain, and using the first area as the target area.
In shooting process, due to depth of view information of the same scenery in the image for collecting relatively, therefore, can lead to
The comparison of the depth of view information of each pixel of present preview image is crossed, determines the depth of field letter of image-region corresponding with touch operation
Breath pixel relatively, and constitute first area by these pixels, and as target area.
Mode three
If the regional choice operation of user input is frame selection operation, the frame selection operation selected first is can determine that
Region, and using the first area as the target area.
Thus, can be based on region growing method or depth of view information, will be current according to the region rotation process of user input
The target area for carrying out brightness adjustment is needed to split in preview image, subsequently to carry out brightness tune for the target area
Whole, and do not affect the brightness in other regions.
Further, in one embodiment of the invention, using the first area as before the target area,
May also include：Judge the brightness of the first area with the difference of the brightness of the present preview image whether more than default threshold
Value；Wherein, when the brightness of the first area is more than predetermined threshold value with the difference of the brightness of the present preview image, determine
The first area is the target area.
In some embodiments of the invention, the brightness of present preview image can be can reflect overall brightness average
Brightness.
That is, after determination first area is operated according to the regional choice of user, can also be by the first area
Brightness is contrasted with the overall brightness of present preview image, if the brightness of first area is excessively bright (as surpassed higher than overall brightness
Cross predetermined threshold value) or excessively dark (exceeding predetermined threshold value less than overall brightness), then and the brightness of first area is unsatisfactory for brightness requirement,
Can be using first area as needing to carry out the target area of brightness adjustment.
Need to carry out brightness adjustment target area so as to more accurately determine, to carry out brightness adjustment.
S103, determines the brightness adjustment parameter of the target area.
In one embodiment of the invention, adjusting parameter may include that whole parameter includes adjustment modes and adjusted value.Adjustment
Parameter can be by user's self-defining or setting, also dependent on the brightness contrast result of brightness and the present preview image of target area
It is configured.
Illustrative to the brightness adjustment parameter for determining target area below by the following manner：
One user's definition mode of mode：
Brightness adjustment option, operation of the receive user to the brightness adjustment option are provided, and determine that the operation is corresponded to
Brightness adjustment parameter.
In an embodiment of the present invention, the concrete form to brightness adjustment option is not limited, for example, can be but not limited to defeated
Enter frame, progress bar, slide etc..
In progress bar mode as an example, after user input area selection operation, it is possible to provide progress bar.Progress bar has slip
Button, user can be by dragging the sliding button to change the progress of progress bar.Different progress bars represents different adjusted values,
Different drawing directions represents different adjustment modes.For example, first direction is for dimming pattern, and contrary with first direction second
Method is for lightening pattern.Sliding button place diverse location corresponds to different brightness adjustment values.
Mode two is arranged with the brightness contrast result of present preview image automatically according to the brightness of target area：
Adjustment modes can be determined according to the brightness size of the relatively current preview image in target area：If the target area
Brightness more than the present preview image brightness, then the adjustment modes are for dimming pattern；If the target area
Less than the brightness of the present preview image, then the adjustment modes are for lightening pattern for brightness；
Brightness according to the target area determines corresponding adjusted value with the difference of the brightness of the present preview image.
Specifically, the corresponding relation of luminance difference and adjusted value can be preset.And then determining the bright of target area
Spend with after the difference of the brightness of the present preview image, corresponding adjusted value can be inquired about according to the difference.
S104, is adjusted to the brightness of the target area according to the brightness adjustment parameter, and according to adjustment after
Image generates photo.
For example, in terminal device, the camera preview interface of such as mobile phone, if the dynamic model of present preview image
Enclose and meet user's requirement, then can take current photo.If the dynamic range of present preview image is unsatisfactory for user's requirement, use
Family can determine that the exposure in which region needs adjustment, and need adjustment region point to touch or select in exposure.Further, can according to
The dynamic point at family touches, select or preview image in scenery the information such as the depth of field, detect certain regional luminance concrete thing in other words
The brightness of body region, by the regional luminance and overall light-metering brightness contrast, if the regional luminance is too low or excessively dark, right
The regional luminance is adjusted.Specifically, it is possible to provide exposure adjustment progress bar, user can select adjustment by slip progress bar
The brightness size of target area, until the brightness of target area meets user's requirement, can be taken pictures, and generate and meet user's requirement
Photo.
The photograph control method of the embodiment of the present invention, determines needs according to user to the regional choice operation of present preview image
Carry out the target area of brightness adjustment, and determine the brightness adjustment parameter of the target area, according to the adjusting parameter to current area
The brightness in domain is adjusted, and generates photo according to the view data after adjustment, will can need to adjust the region segmentation of brightness
Out, be individually adjusted, and do not affect brightness and the exposure in other regions, consequently facilitating user carry out according to demand brightness and
Exposure adjustment, to obtain the photo with preferable dynamic range, it is to avoid the problem of darker or lighter or even overexposure occur, solves
At present in automatic exposure there is contradiction in highlighted compacting and low-light level lifting, that is to say that solve at present cannot be while accomplish
Can suppress well and highlighted also can lift low-light level problem well.
It should be noted that the region if necessary to adjustment is multiple, then can be selected for multiple regions respectively, and
Carry out brightness adjustment.
Fig. 2 is the flow chart of the camera control method according to another embodiment of the present invention.
As shown in Fig. 2 camera control method according to embodiments of the present invention, comprises the following steps S201-S205.
Wherein, step S201-S204 can refer to step S101-S104 in embodiment illustrated in fig. 1.
S205, if the corresponding reference object in the target area is kept in motion, is carried out to the reference object
Object tracking, so that, in the motion process of the reference object, the brightness to the corresponding image-region of the reference object is carried out
Dynamic adjustment.
Wherein, in the motion process of the reference object, the brightness to the corresponding image-region of the reference object is entered
Mobile state is adjusted, can be identical with the implementation of step S201-S204.
The camera control method of the embodiment of the present invention, need to be to the corresponding image-region of the reference object that is kept in motion
When brightness adjustment is carried out, object tracking can be carried out to the reference object, so as to reference object being made moderate in user's adjustment
In the range of, until completing to take pictures, realize the brightness adjustment in dynamic shooting process, convenient, intelligence.
Corresponding with above-mentioned camera control method embodiment, the present invention also proposes a kind of photographing control device.
Fig. 3 is the structural representation of the photographing control device according to one embodiment of the invention.
As shown in figure 3, photographing control device according to embodiments of the present invention, including：Receiver module 10, the first determining module
20th, the second determining module 30, adjusting module 40 and generation module 50.
Specifically, receiver module 10 is used for regional choice operation of the receive user to present preview image.
Present preview image refers to the image obtained under current light-metering state.Wherein, current light-metering state can be
Light-metering state after acquiescence light-metering state, user preset light-metering state, or last adjustment.
In one embodiment of the invention, present preview image can be obtained under current light-metering state, and pass through image
Preview interface shows user.If the brightness in the one or more regions in present preview image is unsatisfactory for user's requirement, use
This kind of region can be selected by regional choice operation in family, to be adjusted to this kind of region, so which meets the requirement of user.
For example, when preview image has situations below, user is believed which is unsatisfactory for requiring：
The too dark brightness in one or more regions, leads to not distinguish scene outline or shape；
The brightness in one or more regions is excessively bright, causes this kind of field color to be turned white, even completely white, it is impossible to show scenery.
There is above-mentioned situation, can be to user with dynamic range of images deficiency, not abundant enough the visual effect of image level.Cause
This, in this case, user is directed to the above-mentioned region input area selection operation for being unsatisfactory for and requiring, to be implemented by the present invention
In example, subsequent step carries out brightness adjustment, so that the brightness in this kind of region disclosure satisfy that human eye vision discrimination requirement.
If present preview image meets user's requirement, can directly be taken pictures, be generated photo.
In an embodiment of the present invention, regional choice operation may include but be not limited to touch operation (as clicking operation, slip
Operation), frame selection operation etc..
First determining module 20 is used for being determined according to regional choice operation to be needed to carry out brightness in the preview image
The target area of adjustment.
In an embodiment of the present invention, the first determining module 20 can be true according to regional choice operation in several ways
The target area for carrying out brightness adjustment is needed in the fixed preview image.For example, the first determining module 20 can by but not
It is limited to determine above-mentioned target according to different regional choice operations, different image informations (such as monochrome information, depth of view information) etc.
Region.
Illustrative to 20 specific implementation of the first determining module below by following several ways.
Mode one
If the regional choice operation of user input is touch operation, the first determining module 20 can be used to be touched according to described
Touch the corresponding image-region of operation, based on default Rule of Region-growth, generate first area, and using the first area as
The target area.
Wherein, the basic thought of region growing is that the pixel set of the property of will have like gets up to constitute region.
Specifically, the first determining module 20 can be made first using corresponding for touch operation image-region as sub-pixel
For grow starting point, then, (can be according to pre- by having same or analogous pixel in sub-pixel surrounding neighbors with sub-pixel
The Rule of Region-growth that first determines or similarity criterion are determining) it is merged in sub-pixel region.These new pictures will be added
The pixel in region after element proceeds process above as new sub-pixel, until not meeting the picture of condition again
Element is incorporated, and the process of region growing terminates, and obtains first area, and as target area.
Wherein, Rule of Region-growth or similarity criterion can be configured according to monochrome information.
For example, if the brightness value of the pixel in neighborhood is differed less than preset value with the brightness value of sub-pixel,
Then it is believed that the pixel in neighborhood is the similar pixel of sub-pixel.
Mode two
If the regional choice operation of user input is touch operation, the first determining module 20 can be used to be touched according to described
The depth of view information for operating corresponding image-region and the present preview image is touched, determines shooting corresponding with the touch operation
The first area that object is located, and using the first area as the target area.
In shooting process, due to depth of view information of the same scenery in the image for collecting relatively, therefore, first
Determining module 20 can determine figure corresponding with touch operation by the comparison of the depth of view information of each pixel of present preview image
The depth of view information in picture region pixel relatively, and constitute first area by these pixels, and as target area.
Mode three
If the regional choice operation of user input is frame selection operation, the first determining module 20 can be used to determine the frame
The selected first area of selection operation, and using the first area as the target area.
Thus, the first determining module 20 can be based on region growing method or depth of view information, according to the region of user input
The target area for needing to carry out brightness adjustment in present preview image is split by rotation process, to be subsequently directed to the target
Region carries out brightness adjustment, and does not affect the brightness in other regions.
Second determining module 30 is used for determining the brightness adjustment parameter of the target area.
In one embodiment of the invention, adjusting parameter may include that whole parameter includes adjustment modes and adjusted value.Adjustment
Parameter can be by user's self-defining or setting, also dependent on the brightness contrast result of brightness and the present preview image of target area
It is configured.
The brightness adjustment parameter that the second determining module 30 determines target area is carried out below by the following manner exemplary
Explanation：
One user's definition mode of mode：
Second determining module 30 is used for：Offer brightness adjustment option, operation of the receive user to the brightness adjustment option,
And determine the corresponding brightness adjustment parameter of the operation.
In an embodiment of the present invention, the concrete form to brightness adjustment option is not limited, for example, can be but not limited to defeated
Enter frame, progress bar, slide etc..
In progress bar mode as an example, after user input area selection operation, it is possible to provide progress bar.Progress bar has slip
Button, user can be by dragging the sliding button to change the progress of progress bar.Different progress bars represents different adjusted values,
Different drawing directions represents different adjustment modes.For example, first direction is for dimming pattern, and contrary with first direction second
Method is for lightening pattern.Sliding button place diverse location corresponds to different brightness adjustment values.
Mode two is arranged with the brightness contrast result of present preview image automatically according to the brightness of target area：
Second determining module 30 can be used to determine adjustment mould according to the brightness size of the relatively current preview image in target area
Formula：If more than the brightness of the present preview image, the adjustment modes are for dimming pattern for the brightness of the target area；
If less than the brightness of the present preview image, the adjustment modes are for lightening pattern for the brightness of the target area；
Brightness according to the target area determines corresponding adjusted value with the difference of the brightness of the present preview image.
Specifically, the second determining module 30 can preset the corresponding relation of luminance difference and adjusted value.And then true
After the brightness in region and the difference of the brightness of the present preview image of setting the goal, corresponding adjustment can be inquired about according to the difference
Value.
Adjusting module 40 is used for being adjusted the brightness of the target area according to the brightness adjustment parameter.
Generation module 50 is used for generating photo according to the image after adjustment.
For example, in terminal device, the camera preview interface of such as mobile phone, if the dynamic model of present preview image
Enclose and meet user's requirement, then can take current photo.If the dynamic range of present preview image is unsatisfactory for user's requirement, use
Family can determine that the exposure in which region needs adjustment, and need adjustment region point to touch or select in exposure.Further, can according to
The dynamic point at family touches, select or preview image in scenery the information such as the depth of field, detect certain regional luminance concrete thing in other words
The brightness of body region, by the regional luminance and overall light-metering brightness contrast, if the regional luminance is too low or excessively dark, right
The regional luminance is adjusted.Specifically, it is possible to provide exposure adjustment progress bar, user can select adjustment by slip progress bar
The brightness size of target area, until the brightness of target area meets user's requirement, can be taken pictures, and generate and meet user's requirement
Photo.
The photographing control device of the embodiment of the present invention, determines need according to user to the regional choice operation of present preview image
The target area of brightness adjustment to be carried out, and determine the brightness adjustment parameter of the target area, according to the adjusting parameter to current
The brightness in region is adjusted, and generates photo according to the view data after adjustment, can divide the region for needing to adjust brightness
Cut out, be individually adjusted, and brightness and the exposure in other regions is not affected, consequently facilitating user carries out brightness according to demand
With exposure adjustment, to obtain the photo with preferable dynamic range, it is to avoid the problem of darker or lighter or even overexposure occur, solution
Certainly at present in automatic exposure there is contradiction in highlighted compacting and low-light level lifting, that is to say that solve at present cannot be while do
Highlighted low-light level problem also can be lifted well to suppressing well.
As shown in figure 4, on the basis of shown in Fig. 3, can also further include judge module 60.
Judge module 60 is used for judging that the brightness of the first area with the difference of the brightness of the present preview image is
No more than predetermined threshold value.Wherein, the first determining module 20 can be used for brightness and the current preview figure in the first area
When the difference of the brightness of picture is more than predetermined threshold value, determine the first area for the target area.
In some embodiments of the invention, the brightness of present preview image can be can reflect overall brightness average
Brightness.
That is, after determination first area is operated according to the regional choice of user, can also pass through judge module 60
Overall brightness of the brightness of the first area with present preview image is contrasted, if the brightness of first area is excessively bright (such as
Exceed predetermined threshold value higher than overall brightness) or excessively dark (exceeding predetermined threshold value less than overall brightness), the then brightness of first area
Brightness requirement is unsatisfactory for, can be using first area as needing to carry out the target area of brightness adjustment.
Need to carry out brightness adjustment target area so as to more accurately determine, to carry out brightness adjustment.
Fig. 5 is the structural representation of the photographing control device according to another embodiment of the present invention.
As shown in figure 5, photographing control device according to embodiments of the present invention, including：Receiver module 10, the first determining module
20th, the second determining module 30, adjusting module 40, generation module 50, judge module 60 and tracing module 70.
Wherein, receiver module 10, the first determining module 20, the second determining module 30, adjusting module 40,50 and of generation module
Judge module 60 can refer to embodiment illustrated in fig. 4.
Tracing module 70 is used for when the corresponding reference object in the target area is kept in motion, right to the shooting
As carrying out object tracking, with the motion process of the reference object, to the bright of the corresponding image-region of the reference object
Spend into Mobile state and adjust.
The present invention also proposes a kind of electronic equipment.
Fig. 6 is the block diagram of electronic equipment according to an embodiment of the invention 600.For example, electronic equipment 600 can be moved
Mobile phone, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building equipment, individual number
Word assistant, smart camera etc..
With reference to Fig. 6, electronic equipment 600 can include following one or more assemblies：Process assembly 602, memory 604,
Power supply module 606, multimedia groupware 608, audio-frequency assembly 610, the interface 612 of input/output (I/O), sensor cluster 614,
And communication component 616.
The integrated operation of 602 usual control electronics 600 of process assembly, such as with display, call, data are led to
The associated operation of letter, camera operation and record operation.Process assembly 602 can include one or more processors 620 to hold
Row instruction, to complete all or part of step of above-mentioned method.Additionally, process assembly 602 can include one or more moulds
Block, the interaction being easy between process assembly 602 and other assemblies.For example, process assembly 602 can include multi-media module, with
Facilitate the interaction between multimedia groupware 608 and process assembly 602.
Memory 604 is configured to store various types of data to support the operation in equipment 600.The showing of these data
Example includes the instruction of any application program for operating on electronic equipment 600 or method, contact data, telephone directory number
According to, message, picture, video etc..Memory 604 can by any kind of volatibility or non-volatile memory device or they
Combination realize, such as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), erasable
Programmable read only memory (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, quick flashing
Memory, disk or CD.
Power supply module 606 provides electric power for the various assemblies of electronic equipment 600.Power supply module 606 can include power supply pipe
Reason system, one or more power supplys, and other generate, manage and distribute, with for electronic equipment 600, the component that electric power is associated.
Multimedia groupware 608 includes the screen of one output interface of offer between the electronic equipment 600 and user.
In certain embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch surface
Plate, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel includes one or more touches
Sensor is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or slip
The border of action, but also detect the duration related to the touch or slide and pressure.In certain embodiments,
Multimedia groupware 608 includes a front-facing camera and/or post-positioned pick-up head.When equipment 600 is in operator scheme, mould is such as shot
When formula or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each preposition shooting
Head and post-positioned pick-up head can be the optical lens systems of a fixation or with focusing and optical zoom capabilities.
Audio-frequency assembly 610 is configured to output and/or input audio signal.For example, audio-frequency assembly 610 includes a Mike
Wind (MIC), when electronic equipment 600 is in operator scheme, such as call model, logging mode and speech recognition mode, microphone
It is configured to receive external audio signal.The audio signal for being received can be further stored in memory 604 or via logical
Letter component 616 sends.In certain embodiments, audio-frequency assembly 610 also includes a loudspeaker, for exports audio signal.
I/O interface 612 is to provide interface between process assembly 602 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor cluster 614 includes one or more sensors, for providing the state of various aspects for electronic equipment 600
Assessment.For example, sensor cluster 614 can detect/the closed mode of opening of electronic equipment 600, the relative positioning of component, example
If the component is the display of electronic equipment 600 and keypad, sensor cluster 614 can also detect electronic equipment 600 or
The position of 600 1 components of electronic equipment changes, and user is presence or absence of with what electronic equipment 600 was contacted, electronic equipment 600
Orientation or the temperature change of acceleration/deceleration and electronic equipment 600.Sensor cluster 614 can include proximity transducer, be configured
It is used for the presence of object near detection when without any physical contact.Sensor cluster 614 can also include optical sensor,
As CMOS or ccd image sensor, for used in imaging applications.In certain embodiments, the sensor cluster 614 may be used also
To include acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 616 is configured to facilitate the communication of wired or wireless way between electronic equipment 600 and other equipment.
Electronic equipment 600 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.Show at one
In example property embodiment, communication component 616 receives broadcast singal or the broadcast from external broadcasting management system via broadcast channel
Relevant information.In one exemplary embodiment, the communication component 616 also includes near-field communication (NFC) module, short to promote
Cheng Tongxin.For example, RF identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra broadband can be based in NFC module
(UWB) technology, bluetooth (BT) technology and other technologies are realizing.
In the exemplary embodiment, electronic equipment 600 can be by one or more application specific integrated circuits (ASIC), number
Word signal processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing said method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memory 604 for instructing, above-mentioned instruction can be executed by the processor 620 of electronic equipment 600 to complete said method.Example
Such as, the non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, soft
Disk and optical data storage devices etc..
Those skilled in the art will readily occur to its of the present invention after considering specification and putting into practice invention disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the precision architecture for being described above and being shown in the drawings is the invention is not limited in, and
And various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (15)
1. a kind of camera control method, it is characterised in that comprise the following steps：
Receive user is operated to the regional choice of present preview image；
Determine the target area for needing that brightness adjustment is carried out in the preview image according to regional choice operation；
Determine the brightness adjustment parameter of the target area；
The brightness of the target area is adjusted according to the brightness adjustment parameter, and photograph is generated according to the image after adjustment
Piece.
2. the method for claim 1, it is characterised in that the regional choice operation is touch operation, described according to institute
State regional choice operation determine the target area that brightness adjustment is needed to carry out in the preview image, including：
According to the corresponding image-region of the touch operation, based on default Rule of Region-growth, first area is generated, and by institute
First area is stated as the target area；
Or,
According to the corresponding image-region of the touch operation and the depth of view information of the present preview image, determine and the touch
The first area for operating corresponding reference object to be located, and using the first area as the target area.
3. the method for claim 1, it is characterised in that the regional choice operation is frame selection operation, described according to institute
State regional choice operation determine the target area that brightness adjustment is needed to carry out in the preview image, including：
Determine the selected first area of the frame selection operation, and using the first area as the target area.
4. method as claimed in claim 2 or claim 3, it is characterised in that using the first area as the target area it
Before, also include：
Judge whether the brightness of the first area is more than predetermined threshold value with the difference of the brightness of the present preview image；
Wherein, when the brightness of the first area is more than predetermined threshold value with the difference of the brightness of the present preview image, really
The fixed first area is the target area.
5. the method for claim 1, it is characterised in that the brightness adjustment parameter of the determination target area, bag
Include：
Brightness adjustment option is provided；
Operation of the user to the brightness adjustment option is received, and determines the corresponding brightness adjustment parameter of the operation.
6. the method as described in any one of claim 1-5, it is characterised in that the adjusting parameter includes adjustment modes and adjustment
Value, the brightness adjustment parameter for determining the target area, including：
If more than the brightness of the present preview image, the adjustment modes are for dimming mould for the brightness of the target area
Formula；
If less than the brightness of the present preview image, the adjustment modes are for lightening mould for the brightness of the target area
Formula；
Brightness according to the target area determines corresponding adjusted value with the difference of the brightness of the present preview image.
7. the method as described in any one of claim 1-6, it is characterised in that also include：
If the corresponding reference object in the target area is kept in motion, object tracking is carried out to the reference object,
So that, in the motion process of the reference object, Mobile state adjustment is entered in the brightness to the corresponding image-region of the reference object.
8. a kind of photographing control device, it is characterised in that include：
Receiver module, operates to the regional choice of present preview image for receive user；
First determining module, needs to carry out brightness adjustment in the preview image for being determined according to regional choice operation
Target area；
Second determining module, for determining the brightness adjustment parameter of the target area；
Adjusting module, for being adjusted to the brightness of the target area according to the brightness adjustment parameter；
Generation module, for generating photo according to the image after adjustment.
9. device as claimed in claim 8, it is characterised in that the regional choice operation is touch operation, and described first is true
Cover half block is used for：
According to the corresponding image-region of the touch operation, based on default Rule of Region-growth, first area is generated, and by institute
First area is stated as the target area；
Or,
According to the corresponding image-region of the touch operation and the depth of view information of the present preview image, determine and the touch
The first area for operating corresponding reference object to be located, and using the first area as the target area.
10. device as claimed in claim 8, it is characterised in that the regional choice operation is frame selection operation, and described first is true
Cover half block is used for：
Determine the selected first area of the frame selection operation, and using the first area as the target area.
11. devices as described in claim 9 or 10, it is characterised in that also include：
Judge module, for judging whether the brightness of the first area and the difference of the brightness of the present preview image are more than
Predetermined threshold value；
Wherein, first determining module is used for the difference of the brightness in the first area and the brightness of the present preview image
When value is more than predetermined threshold value, determine the first area for the target area.
12. devices as claimed in claim 8, it is characterised in that second determining module is used for：
Brightness adjustment option is provided；
Operation of the user to the brightness adjustment option is received, and determines the corresponding brightness adjustment parameter of the operation.
13. devices as described in any one of claim 8-12, it is characterised in that the adjusting parameter includes adjustment modes and tune
Whole value, second determining module are used for：
If more than the brightness of the present preview image, the adjustment modes are for dimming mould for the brightness of the target area
Formula；
If less than the brightness of the present preview image, the adjustment modes are for lightening mould for the brightness of the target area
Formula；
Brightness according to the target area determines corresponding adjusted value with the difference of the brightness of the present preview image.
14. devices as described in any one of claim 8-13, it is characterised in that also include：
Tracing module, for when the corresponding reference object in the target area is kept in motion, entering to the reference object
Row object tracking, so that, in the motion process of the reference object, the brightness to the corresponding image-region of the reference object is entered
Mobile state is adjusted.
15. a kind of electronic equipments, it is characterised in that including following one or more assemblies：Circuit board, housing, processor, storage
Device, power circuit, multimedia groupware, audio-frequency assembly, the interface of input/output (I/O), sensor cluster, communication component and
Antenna；Wherein, the circuit board is placed in the interior volume that the housing is surrounded, and the processor and the memory are arranged on
On the circuit board；The power circuit, for being that each circuit of the mobile terminal or device are powered；The memory is used
In storage executable program code；The processor is run by reading the executable program code stored in the memory
Program corresponding with the executable program code, for executing following steps：
Receive user is operated to the regional choice of present preview image；
Determine the target area for needing that brightness adjustment is carried out in the preview image according to regional choice operation；
Determine the brightness adjustment parameter of the target area；
The brightness of the target area is adjusted according to the brightness adjustment parameter, and photograph is generated according to the image after adjustment
Piece.
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|---|---|---|---|
| CN201610844608.1A CN106484257A (en) | 2016-09-22 | 2016-09-22 | Camera control method, device and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844608.1A CN106484257A (en) | 2016-09-22 | 2016-09-22 | Camera control method, device and electronic equipment |
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| CN106484257A true CN106484257A (en) | 2017-03-08 |
Family
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| CN201610844608.1A Pending CN106484257A (en) | 2016-09-22 | 2016-09-22 | Camera control method, device and electronic equipment |
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| CN111629146A (en) * | 2020-05-27 | 2020-09-04 | 腾讯科技（深圳）有限公司 | Shooting parameter adjusting method, shooting parameter adjusting device, shooting parameter adjusting equipment and storage medium |
| CN111629146B (en) * | 2020-05-27 | 2021-08-24 | 腾讯科技（深圳）有限公司 | Shooting parameter adjusting method, shooting parameter adjusting device, shooting parameter adjusting equipment and storage medium |
| CN114143453A (en) * | 2021-11-24 | 2022-03-04 | 维沃移动通信有限公司 | Light supplementing method and device, electronic equipment and storage medium |
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