CN107241555A - Luminance regulating method, device, TV and the storage medium of composograph - Google Patents
Luminance regulating method, device, TV and the storage medium of composograph Download PDFInfo
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- CN107241555A CN107241555A CN201710563515.6A CN201710563515A CN107241555A CN 107241555 A CN107241555 A CN 107241555A CN 201710563515 A CN201710563515 A CN 201710563515A CN 107241555 A CN107241555 A CN 107241555A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of luminance regulating method of composograph, image synthesizer, TV and computer-readable recording medium, wherein, the luminance regulating method of the composograph includes step：The selection of user is responded, scenic picture corresponding with the selection of user is obtained, and acquisition environment picture is shot by starting camera；Obtain the first object brightness value of environment picture and the second target brightness value of scenic picture；According to first object brightness value and the second target brightness value, supplement brightness value is obtained；The target picture of the image to be synthesized shot by camera is obtained, and brightness adjustment is carried out to target picture according to supplement brightness value；Target picture after brightness adjustment is synthesized in scenic picture, composograph is obtained.Technical scheme proposed by the present invention make it that the luminance difference between target picture and environment picture is smaller, when target picture is synthesized into environment picture, will not feel that target picture is very lofty, lifts the display effect of composograph.
Description
Technical field
The present invention relates to TV technology, more particularly to a kind of luminance regulating method of composograph, image synthesis dress
Put, TV and computer-readable recording medium.
Background technology
With the development of the smart machines such as intelligent television, the function that smart machine possesses is gradually diversified, such as reality increases
Strong technology.For example, in intelligent television, increasing powerful intelligent television with reality can realize that image is synthesized, and specifically will
The target picture that camera is shot is synthesized in the scenic picture chosen from intelligent television, such as, and user uses TV reality
When enhanced scenic spot is applied, the first step opens scenic spot selection, has selected the photo in Mount Huang, second step, subscriber station is carried out before TV
Photograph, the 3rd step is clicked on and checks that user synthesizes the composograph on the photo in Mount Huang.But it is due to the mesh captured by camera
The brightness for marking picture and scenic picture is different, causes the effect of composograph not good, such as, and the photo in Mount Huang is in itself very
Bright, the family that user takes pictures is very black, causes to shoot that the user picture come is very black, and the lightness in user picture and Mount Huang is not taken
Match somebody with somebody so that user can not merge with scenery.
The content of the invention
It is a primary object of the present invention to provide a kind of luminance regulating method of composograph, image synthesizer, TV
And computer-readable recording medium, it is intended to solve in the prior art due to the target picture captured by camera and scenic picture
Brightness is different, causes the problem of effect of composograph is not good.
To achieve the above object, a kind of luminance regulating method for composograph that the present invention is provided, comprises the following steps：
The scenic picture of image to be synthesized is obtained, and acquisition environment picture is shot by starting camera；
Obtain the first object brightness value of the environment picture and the second target brightness value of the scenic picture；
According to the first object brightness value and second target brightness value, supplement brightness value is obtained；
The target picture of the image to be synthesized shot by the camera is obtained, and according to the supplement brightness value to described
Target picture carries out brightness adjustment；
The target picture after brightness adjustment is synthesized in the scenic picture, composograph is obtained.
Preferably, the first object brightness value for obtaining the environment picture includes step：
Obtain the minimum luminance value and maximum brightness value of pixel in the environment picture；
Brightness range between the minimum luminance value and the maximum brightness value is divided into N number of decile N number of to be formed
Brightness section；
The most brightness section of pixel accounting in the environment picture is chosen, and it is interval to set it to object brightness；
The maximum brightness value in the object brightness interval is obtained, the first object brightness value is set it to.
Preferably, second target brightness value for obtaining the scenic picture includes step：
Obtain the color gamut of the scenic picture；
The color gamut is divided into M decile to form M color region；
The most color region of pixel accounting in the scenic picture is chosen, and sets it to color of object region；
The maximum brightness value of the pixel in the color of object region is obtained, and sets it to the second target brightness value.
Preferably, it is described according to the first object brightness value and second target brightness value, obtain supplement brightness value
Including step：
Calculate the average value of the first object brightness value and second target brightness value；
The average value is set as to augment brightness value.
Preferably, it is described that step is included to target picture progress brightness adjustment according to the supplement brightness value：
It is the supplement brightness value by the brightness adjustment of the target picture.
Preferably, it is described to include step by starting camera shooting acquisition environment picture：
By starting camera every preset time shooting acquisition environment picture.
Preferably, the target picture for obtaining the image to be synthesized shot by the camera, and according to the supplement
Brightness value carries out brightness adjustment to the target picture includes step：
When obtaining the target picture of the image to be synthesized shot by the camera, the supplement brightness of newest acquisition is obtained
Value；
According to the supplement brightness value of the newest acquisition, brightness adjustment is carried out to the target picture.
To achieve the above object, a kind of image synthesizer that the present invention is provided, including：
Camera module, environment picture and target picture are obtained for shooting；
Micro treatment module, the scenic picture for obtaining image to be synthesized, and shoot acquisition by starting camera
Environment picture；
Obtain the first object brightness value of the environment picture and the second target brightness value of the scenic picture；
According to the first object brightness value and second target brightness value, supplement brightness value is obtained；
The target picture of the image to be synthesized shot by the camera is obtained, and according to the supplement brightness value to described
Target picture carries out brightness adjustment；
The target picture after brightness adjustment is synthesized in the scenic picture, composograph is obtained.
To achieve the above object, a kind of TV that the present invention is provided, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, above-mentioned composite diagram is realized described in the computing device during computer program
The step of luminance regulating method of picture.
To achieve the above object, the computer-readable recording medium that the present invention is provided, is stored thereon with computer program, should
The step of luminance regulating method of above-mentioned composograph is realized when computer program is executed by processor.
The scenic picture that the environment picture shot in technical scheme proposed by the present invention to camera and user select
Brightness is compared, and obtains a supplement brightness value, using target picture of the supplement brightness value to the follow-up shooting of camera, than
As user enters the photo of mirror, progress brightness adjustment so that the luminance difference between target picture and environment picture is smaller, by target
It when picture is synthesized into environment picture, will not feel that target picture is very lofty, lift the display effect of composograph.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the luminance regulating method first embodiment of composograph of the present invention；
Fig. 2 is obtains the first mesh of the environment picture in the luminance regulating method second embodiment of composograph of the present invention
Mark the refinement schematic flow sheet of brightness value step；
Fig. 3 is obtains the second mesh of the scenic picture in the luminance regulating method 3rd embodiment of composograph of the present invention
Mark the schematic flow sheet of brightness value step；
Fig. 4 is the schematic flow sheet of the luminance regulating method fourth embodiment of composograph of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
Fig. 1 is refer to, Fig. 1 is the luminance regulating method for the composograph that first embodiment of the invention is proposed.In the implementation
In example, the luminance regulating method of the composograph includes：
Step S100, obtains the scenic picture of image to be synthesized, and shoot acquisition environment picture by starting camera
Face.
It should be noted that any terminal that can be handled image can be for realizing conjunction proposed by the present invention
Into the luminance regulating method of image.In the present embodiment, scheme is illustrated by taking television terminal as an example.When user starts TV
Reality enhancing function when, user can select one scenic picture from video screen, and the mode of selection has a variety of, such as logical
Cross remote control and send control signal, the remote control can be that entity remote control can also be the mobile terminal being connected with compunlcation
On virtual remote controller；Or the selection by clicking on video screen progress scenic picture etc., a frame of the scenic picture is protected
It is stored in memory.Concrete implementation mode is shown in following citing：
TochEvent (x1)=1//click event, picture is chosen successfully.
Frame_Pg (x1)=1//frame 1024x768 are saved in memory 11.
It is appreciated that the acquisition modes of scenic picture can have a variety of, such as default image set in advance, when user opens
During the display enhancing function of dynamic TV, the scenic picture of acquiescence is transferred automatically, and carry out the analysis of brightness value.
Moreover, when user starts the reality enhancing function of TV, camera is activated, and the camera is arranged on TV
On, if it is built-in, where all can freely designing for TV be built in, in order to simplify TV structure, it will can take the photograph
As head is built in the center of TV upper side frame.After camera is activated, the picture of televising field of front vision obtains environment and drawn
Face.
Step S200, the first object brightness value of the acquisition environment picture and the second target of the scenic picture are bright
Angle value.
Specifically, in order to reach effect that the target picture that scenic picture and camera are shot is blended, can first it obtain
The brightness of the representative pixel for the environment picture that scenic picture and camera are shot.This, which represents pixel, to be color accounting maximum
All colors constitute a color gamut in pixel most bright in set of pixels, such as picture, and the color gamut is divided into five etc.
Point, including five color regions of A, B, C, D and E, if the pixel quantity positioned at a-quadrant is most, then choose bright from a-quadrant
Maximum pixel is spent, the pixel is to represent pixel, and it is target brightness value that this, which represents the corresponding brightness of pixel,；This represents pixel
It can be pixel most bright in the maximum set of pixels of brightness accounting, such as obtain the maximum and minimum of the brightness of pixel in picture
Value, is divided into five deciles, including five brightness sections of a, b, c, d and e by the scope between maximum and minimum value, if positioned at a
The pixel quantity in region is most, then the maximum pixel of brightness is chosen from a regions, the pixel is to represent pixel, the representative
The corresponding brightness of pixel is target brightness value.
It should be noted that environment picture and scenic picture can be obtained from identical or different method and represent pixel,
Obtain corresponding target brightness value.
Step S300, according to the first object brightness value and second target brightness value, obtains supplement brightness value；
Step S400, obtains the target picture of the image to be synthesized shot by the camera, and bright according to the supplement
Angle value carries out brightness adjustment to the target picture；
Specifically, supplement brightness value can be the difference of first object brightness value and the second target brightness value, should utilizing
It is specifically that the brightness of each pixel in target picture is subtracted into the difference when augmenting brightness value to target picture progress brightness adjustment
Value, it is to be understood that the brightness of each pixel in scenic picture can also be added into the difference simultaneously.
Supplement brightness value can also be the average value of first object brightness value and the second target brightness value, utilize the supplement
When brightness value carries out brightness adjustment to target picture, specifically by the brightness adjustment of each pixel in target picture to the average value,
It is understood that can also be simultaneously by the brightness adjustment of each pixel in scenic picture to the average value.
It should be noted that target picture can be environment picture in itself or user issues to TV and instructed, make
Camera shoots the picture in front of the TV of acquisition in addition, such as user wants to shoot oneself, and then oneself synthesis exists
When in scenic picture, camera is set to shoot oneself by clicking on specific button, TV recognizes that the picture is drawn for target
Face.
Step S500, the target picture after brightness adjustment is synthesized in the scenic picture, obtains composograph.
Specifically, after being adjusted to the brightness of target picture, the brightness of target picture and scenic picture is more or less the same, from
And the image synthesized seems very natural.
The scenic picture that the environment picture shot in technical scheme proposed by the present invention to camera and user select
Brightness is compared, and obtains a supplement brightness value, using target picture of the supplement brightness value to the follow-up shooting of camera, than
As user enters the photo of mirror, progress brightness adjustment so that the luminance difference between target picture and environment picture is smaller, by target
It when picture is synthesized into environment picture, will not feel that target picture is very lofty, lift the display effect of composograph.
Fig. 2 is refer to, is the second embodiment of the luminance regulating method of composograph of the present invention, based on composite diagram of the present invention
The step of first embodiment of the luminance regulating method of picture, first object brightness value of the acquisition environment picture, includes：
Step S211, obtains the minimum luminance value and maximum brightness value of pixel in the environment picture；
Specifically, environment picture is made up of multiple pixels, and each pixel has corresponding brightness value, such as environment picture is parlor
Picture, during daytime, the brightness close to window is very possible bigger than the brightness at sofa place.
Step S212, N number of decile is divided into by the brightness range between the minimum luminance value and the maximum brightness value
To form N number of brightness section；
Step S213, chooses the most brightness section of pixel accounting in the environment picture, and it is bright to set it to target
Degree is interval.
Specifically, brightness range can be divided into by multiple deciles according to concrete conditions such as the sizes of brightness range, such as
Five deciles (N=5), so as to by the most brightness section of pixel accounting in selection environment picture, can understand in environment picture
Which gray scale accounts for larger area, and then knows the bright dark situation of whole environment.
Step S214, obtains the maximum brightness value in the object brightness interval, sets it to the first object bright
Angle value.
Specifically, when getting the most brightness section of pixel accounting, the maximum brightness value in the brightness section is chosen,
As the target brightness value of environment picture, it is compared for the brightness value with scenic picture.
Concrete example is as follows：
Gray scale accounts for maximum area (60%) in RGB_5_1 (r1, g1, b1)={ 182,182,182 } // environment picture, red,
It is green, blue corresponding color yield value：182.
In the present embodiment, the maximum brightness value in the brightness section most by obtaining pixel accounting, to know environment
The bright dark situation of entirety of picture, is easy to the brightness value subsequently with scenic picture to be compared.
Fig. 3 is refer to, is the 3rd embodiment of the luminance regulating method of composograph of the present invention, based on composite diagram of the present invention
The first or second embodiments of the luminance regulating method of picture, the second target brightness value of the acquisition scenic picture includes：
Step S221, obtains the color gamut of the scenic picture.
Specifically, there is multiple color in scenic picture, different colors can be determined by rgb value, while rgb value is also right
Answer different brightness.Rgb value refers to red (Red), green (Green), blue (Blue) composition in certain color.RGB's is how much so-called
Just refer to brightness, and represented using integer.RGB respectively has 256 grades of brightness, with numeral 0,1,2 ... 255.
Step S222, the color gamut is divided into M decile to form M color region；
Step S223, chooses the most color region of pixel accounting in the scenic picture, and set it to target face
Color region.
Specifically, color gamut can be divided into by multiple deciles according to concrete conditions such as the sizes of color gamut, such as
Five deciles (M=5), so as to by choosing the most color region of pixel accounting in scenic picture, can understand in scenic picture
Which gray scale accounts for larger area, and then knows the bright dark situation of whole scene.
Step S224, obtains the maximum brightness value of the pixel in the color of object region, and sets it to the second mesh
Mark brightness value.
Specifically, when getting the most color region of pixel accounting, the maximum brightness value in the color region is chosen,
As the target brightness value of scenic picture, it is compared for the brightness value with environment picture.
Concrete example is as follows：
Gray scale accounts for maximum area, brightness value size in MenRGB (r1, g1, b1)={ 140,140,140 } // scenic picture：
140。
In the present embodiment, the maximum brightness value in the color region most by obtaining pixel accounting, to know scene
The bright dark situation of entirety of picture, is easy to the brightness value with environment picture to be compared.
Fig. 4 is refer to, is the fourth embodiment of the luminance regulating method of composograph of the present invention, based on composite diagram of the present invention
The first of the luminance regulating method of picture is to the 3rd any embodiment, the step S300, according to the first object brightness value and
Second target brightness value, obtaining supplement brightness value includes：
Step S301, calculates the average value of the first object brightness value and second target brightness value；
Step S302, the average value is set as to augment brightness value.
Concrete example is as follows：
Enhance_RGB (r1, g1, b1)=(RGB_5_1 (r1, g1, b1)+MenRGB (r1, g1, b1))/2
={ 322,322,322 }/2={ 161,161,161 } // supplement brightness value is 161.
Further, it is described that step is included to target picture progress brightness adjustment according to the supplement brightness value：
It is the supplement brightness value by the brightness adjustment of the target picture.
It is appreciated that the brightness of scenic picture can also be adjusted to the supplement brightness value.
Specifically, the scenic picture after the target picture after brightness adjustment can not adjusted with brightness is synthesized,
Scenic picture after target picture and brightness adjustment after brightness adjustment can be synthesized, or by the unregulated mesh of brightness
Mark picture is synthesized with the scenic picture after brightness adjustment, and this several ways can make the bright of target picture and scenic picture
Degree is equalized, so that the effect of composograph is preferable.
Preferably, it is described to include step by starting camera shooting acquisition environment picture：
By starting camera every preset time shooting acquisition environment picture.
Specifically, camera shoots every preset time, such as half an hour and obtains environment picture, to know environment
The supplement brightness value that brightness and acquisition are obtained after being compared with scenic picture.On the one hand, when user shoots image to be synthesized at any time
Target picture when, brightness adjustment can be carried out to target picture and/or scenic picture immediately；On the other hand, with Internet of Things
Development, when augment brightness value it is smaller when, can to mobile terminal send shoot remind, to remind user appropriate in brightness
In the environment of to synthesis target shoot.
The target picture for obtaining the image to be synthesized shot by the camera, and according to the supplement brightness value pair
The target picture, which carries out brightness adjustment, includes step：
When obtaining the target picture of the image to be synthesized shot by the camera, the supplement brightness of newest acquisition is obtained
Value；
According to the supplement brightness value of the newest acquisition, brightness adjustment is carried out to the target picture.
Specifically, camera is being started on the premise of preset time shoots and obtains environment picture, it is to be synthesized when obtaining
During the target picture of image, obtain the environment picture of closest time acquisition and augment brightness value accordingly, according to the supplement
Brightness value, brightness adjustment is carried out to target picture.
The present invention also provides a kind of image synthesizer, and in one embodiment, the image synthesizer includes：
Camera module, environment picture and target picture are obtained for shooting；
Micro treatment module, the selection for responding user obtains scenic picture corresponding with the selection of user, and pass through
Start camera and shoot acquisition environment picture；
Obtain the first object brightness value of the environment picture and the second target brightness value of the scenic picture；
According to the first object brightness value and second target brightness value, supplement brightness value is obtained；
The target picture of the image to be synthesized shot by the camera is obtained, and according to the supplement brightness value to described
Target picture carries out brightness adjustment；
The target picture after brightness adjustment is synthesized in the scenic picture, composograph is obtained.
The scenic picture that the environment picture shot in technical scheme proposed by the present invention to camera and user select
Brightness is compared, and obtains a supplement brightness value, using target picture of the supplement brightness value to the follow-up shooting of camera, than
As user enters the photo of mirror, progress brightness adjustment so that the luminance difference between target picture and environment picture is smaller, by target
When picture is synthesized into environment picture, it will not feel that target picture is very lofty, synthetic effect is preferable.
The present invention also provides a kind of TV, and the TV includes memory, processor and stores on a memory and can locate
The computer program that runs on reason device, realizes the conjunction in any of the above-described embodiment during computer program described in the computing device
Into image luminance regulating method the step of.
Specifically, it is used to realize following steps during computer program described in the computing device：
Step S100, responds the selection of user, obtains scenic picture corresponding with the selection of user, and take the photograph by starting
Environment picture is obtained as head is shot；
Step S200, the first object brightness value of the acquisition environment picture and the second target of the scenic picture are bright
Angle value；
Step S300, according to the first object brightness value and second target brightness value, obtains supplement brightness value；
Step S400, obtains the target picture of the image to be synthesized shot by the camera, and bright according to the supplement
Angle value carries out brightness adjustment to the target picture；
Step S500, the target picture after brightness adjustment is synthesized in the scenic picture, obtains composograph.
The brightness of environment picture and the scenic picture of user's selection that TV in the present invention is shot to camera is carried out
Compare, obtain a supplement brightness value, using target picture of the supplement brightness value to the follow-up shooting of camera, such as user enters
The photo of mirror, carries out brightness adjustment so that the luminance difference between target picture and environment picture is smaller, and target picture is synthesized
It when entering environment picture, will not feel that target picture is very lofty, lift the display effect of composograph.
Further, the processor is when performing the computer program, and the first of the acquisition environment picture
Target brightness value includes：
Step S211, obtains the minimum luminance value and maximum brightness value of pixel in the environment picture；
Step S212, N number of decile is divided into by the brightness range between the minimum luminance value and the maximum brightness value
To form N number of brightness section；
Step S213, chooses the most brightness section of pixel accounting in the environment picture, and it is bright to set it to target
Degree is interval；
Step S214, obtains the maximum brightness value in the object brightness interval, sets it to the first object bright
Angle value.
Further, the processor is when performing the computer program, and the second of the acquisition scenic picture
Target brightness value includes：
Step S221, obtains the color gamut of the scenic picture；
Step S222, the color gamut is divided into M decile to form M color region；
Step S223, chooses the most color region of pixel accounting in the scenic picture, and set it to target face
Color region；
Step S224, obtains the maximum brightness value of the pixel in the color of object region, and sets it to the second mesh
Mark brightness value.
Further, the processor is when performing the computer program, the step S300, according to first mesh
Brightness value and second target brightness value are marked, obtaining supplement brightness value includes：
Step S301, calculates the average value of the first object brightness value and second target brightness value；
Step S302, the average value is set as to augment brightness value.
Further, it is described that step is included to target picture progress brightness adjustment according to the supplement brightness value：
It is the supplement brightness value by the brightness adjustment of the target picture.
Preferably, it is described to include step by starting camera shooting acquisition environment picture：
By starting camera every preset time shooting acquisition environment picture.
The target picture for obtaining the image to be synthesized shot by the camera, and according to the supplement brightness value pair
The target picture, which carries out brightness adjustment, includes step：
When obtaining the target picture of the image to be synthesized shot by the camera, the supplement brightness of newest acquisition is obtained
Value；
According to the supplement brightness value of the newest acquisition, brightness adjustment is carried out to the target picture.
The present invention also provides a kind of computer-readable recording medium, is stored thereon with computer program, the computer program
The step of luminance regulating method of composograph in any of the above-described embodiment is realized when being executed by processor.
In the description of this specification, reference term " embodiment ", " another embodiment ", " other embodiment " or "
The description of one embodiment~X embodiments " etc. mean to combine the specific features that the embodiment or example describe, structure, material or
Person's feature is contained at least one embodiment of the present invention or example.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material, method and step or the spy of description
Point can in an appropriate manner be combined in any one or more embodiments or example.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property is included, so that process, method, article or device including a series of key elements not only include those key elements, and
And also including other key elements being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in process, method, article or the device of key element.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Understood based on such, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are to cause a station terminal (can be mobile phone, computer, service
Device, air conditioner, or network equipment etc.) perform method described in each of the invention embodiment.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
1. a kind of luminance regulating method of composograph, it is characterised in that comprise the following steps：
The scenic picture of image to be synthesized is obtained, and acquisition environment picture is shot by starting camera；
Obtain the first object brightness value of the environment picture and the second target brightness value of the scenic picture；
According to the first object brightness value and second target brightness value, supplement brightness value is obtained；
The target picture of the image to be synthesized shot by the camera is obtained, and according to the supplement brightness value to the target
Picture carries out brightness adjustment；
The target picture after brightness adjustment is synthesized in the scenic picture, composograph is obtained.
2. the luminance regulating method of composograph as claimed in claim 1, it is characterised in that the acquisition environment picture
First object brightness value include step：
Obtain the minimum luminance value and maximum brightness value of pixel in the environment picture；
Brightness range between the minimum luminance value and the maximum brightness value is divided into N number of decile to form N number of brightness
It is interval；
The most brightness section of pixel accounting in the environment picture is chosen, and it is interval to set it to object brightness；
The maximum brightness value in the object brightness interval is obtained, the first object brightness value is set it to.
3. the luminance regulating method of composograph as claimed in claim 1, it is characterised in that the acquisition scenic picture
The second target brightness value include step：
Obtain the color gamut of the scenic picture；
The color gamut is divided into M decile to form M color region；
The most color region of pixel accounting in the scenic picture is chosen, and sets it to color of object region；
The maximum brightness value of the pixel in the color of object region is obtained, and sets it to the second target brightness value.
4. the luminance regulating method of the composograph as described in claim any one of 1-3, it is characterised in that described in the basis
First object brightness value and second target brightness value, obtaining supplement brightness value includes step：
Calculate the average value of the first object brightness value and second target brightness value；
The average value is set as to augment brightness value.
5. the luminance regulating method of composograph as claimed in claim 4, it is characterised in that described according to the supplement brightness
Value carries out brightness adjustment to the target picture includes step：
It is the supplement brightness value by the brightness adjustment of the target picture.
6. the luminance regulating method of the composograph as described in claim any one of 1-3, it is characterised in that described by starting
Camera, which shoots acquisition environment picture, includes step：
By starting camera every preset time shooting acquisition environment picture.
7. the luminance regulating method of composograph as claimed in claim 6, it is characterised in that the acquisition is by the camera
The target picture of the image to be synthesized shot, and target picture progress brightness adjustment is included according to the supplement brightness value
Step：
When obtaining the target picture of the image to be synthesized shot by the camera, the supplement brightness value of newest acquisition is obtained；
According to the supplement brightness value of the newest acquisition, brightness adjustment is carried out to the target picture.
8. a kind of image synthesizer, it is characterised in that including：
Camera module, environment picture and target picture are obtained for shooting；
Micro treatment module, the scenic picture for obtaining image to be synthesized, and shoot acquisition environment by starting camera
Picture；
Obtain the first object brightness value of the environment picture and the second target brightness value of the scenic picture；
According to the first object brightness value and second target brightness value, supplement brightness value is obtained；
The target picture of the image to be synthesized shot by the camera is obtained, and according to the supplement brightness value to the target
Picture carries out brightness adjustment；
The target picture after brightness adjustment is synthesized in the scenic picture, composograph is obtained.
9. a kind of TV, including memory, processor and storage are on a memory and the computer journey that can run on a processor
Sequence, it is characterised in that realized described in the computing device during computer program as any one of claim 1 to 7
The step of luminance regulating method of composograph.
10. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the computer program quilt
During computing device the step of the luminance regulating method of composograph of the realization as any one of claim 1 to 7.
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| CN111541937A (en) * | 2020-04-16 | 2020-08-14 | 深圳Tcl数字技术有限公司 | Image quality adjusting method, television device and computer storage medium |
| CN114187216A (en) * | 2021-11-17 | 2022-03-15 | 海南乾唐视联信息技术有限公司 | Image processing method and device, terminal equipment and storage medium |
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