CN107249105A - Exposure compensation, device and terminal device - Google Patents
Exposure compensation, device and terminal device Download PDFInfo
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- CN107249105A CN107249105A CN201710469143.0A CN201710469143A CN107249105A CN 107249105 A CN107249105 A CN 107249105A CN 201710469143 A CN201710469143 A CN 201710469143A CN 107249105 A CN107249105 A CN 107249105A
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- destination object
- exposure
- present image
- determined
- brightness value
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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
- H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
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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
- H04N23/71—Circuitry for evaluating the brightness variation
Abstract
The invention discloses a kind of exposure compensation, device and terminal device, wherein, this method includes：When it is determined that including destination object in present image, the corresponding monochrome information of the destination object is obtained；According to the corresponding monochrome information of the destination object and target brightness value, exposure bias value is determined；According to the exposure bias value, the light exposure of the present image is adjusted.Hereby it is achieved that the monochrome information and target brightness value of destination object in present image, are exposed compensation, optimize the visual effect of image, improve picture quality.
Description
Technical field
The present invention relates to camera technology field, more particularly to a kind of exposure compensation, device and terminal device.
Background technology
With the development of science and technology, the camera device such as camera, video camera be widely used in daily life, work,
In study, role is more and more important in people live.During using camera device shooting image, in order that image clearly
It is distinguishable, it is necessary to which that the light exposure to image is controlled.
Existing camera device, generally with interior light measuring function.In most cases, camera device is according to photometric data
Image taking is carried out, the image of correct exposure is just can obtain.However, correct exposure and it is not equal to optimum exposure, especially for
During the prevailing picture of white or bright object, the photometric data merely provided by camera device is shot, may
Image can be made obvious deviation occur.For example, when shooting snow scenes, because picture is brighter, camera device may be according to light-metering
Data, are shot with less exposure value automatically, and the image frame obtained which results in shooting is dark.
Therefore, how compensation is exposed in shooting image, the visual effect for improving image improves the matter of image
Amount, plays the role of particularly important.
The content of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technical problem to a certain extent.
Therefore, first purpose of the application is to propose a kind of exposure compensation, realize according in present image
Destination object monochrome information and target brightness value, be exposed compensation, optimize the visual effect of image, improve image
Quality.
Second purpose of the application is to propose a kind of exposure compensating device.
The 3rd purpose of the application is to propose a kind of terminal device.
The 4th purpose of the application is to propose a kind of computer-readable recording medium.
In order to solve the above problems, the application first aspect proposes a kind of exposure compensation, and methods described includes：
When it is determined that including destination object in present image, the corresponding monochrome information of the destination object is obtained；
According to the corresponding monochrome information of the destination object and target brightness value, exposure bias value is determined；
According to the exposure bias value, the light exposure of the present image is adjusted.
The exposure compensation that the embodiment of the present application is provided, first when it is determined that including destination object in present image, is obtained
The corresponding monochrome information of destination object is taken, then according to the corresponding monochrome information of destination object and target brightness value, it is determined that exposure
Offset, finally according to exposure bias value, adjusts the light exposure of present image.Hereby it is achieved that the mesh in present image
The monochrome information and target brightness value of object are marked, compensation is exposed, optimizes the visual effect of image, improve image matter
Amount.
In order to solve the above problems, the application second aspect proposes a kind of exposure compensating device, wherein, the exposure compensating
Device includes：
Acquisition module, for when it is determined that including destination object in present image, obtaining the destination object corresponding bright
Spend information；
Determining module, for according to the corresponding monochrome information of the destination object and target brightness value, determining exposure compensating
Value；
Processing module, for according to the exposure bias value, adjusting the light exposure of the present image.
The exposure compensating device that the embodiment of the present application is provided, first when it is determined that including destination object in present image, is obtained
The corresponding monochrome information of destination object is taken, then according to the corresponding monochrome information of destination object and target brightness value, it is determined that exposure
Offset, finally according to exposure bias value, adjusts the light exposure of present image.Hereby it is achieved that the mesh in present image
The monochrome information and target brightness value of object are marked, compensation is exposed, optimizes the visual effect of image, improve image matter
Amount.
In order to solve the above problems, the application third aspect proposes a kind of terminal device, including：Housing, processor, storage
Device, circuit board and power circuit, 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 or device for the terminal device
Power supply；The memory is used to store executable program code；What the processor was stored by reading in the memory can
Configuration processor code, to run program corresponding with the executable program code, for performing as described in relation to the first aspect
Exposure compensation.
The terminal device that the embodiment of the present application is provided, first when it is determined that including destination object in present image, obtains mesh
The corresponding monochrome information of object is marked, then according to the corresponding monochrome information of destination object and target brightness value, exposure compensating is determined
Value, finally according to exposure bias value, adjusts the light exposure of present image.Hereby it is achieved that the target pair in present image
The monochrome information and target brightness value of elephant, are exposed compensation, optimize the visual effect of image, improve picture quality.
In order to solve the above problems, the application fourth aspect proposes a kind of computer-readable recording medium, is stored thereon with
Computer program, it is characterised in that exposure compensation as described in relation to the first aspect is realized when the program is executed by processor.
The computer-readable recording medium that the embodiment of the present application is provided, first it is determined that including destination object in present image
When, the corresponding monochrome information of destination object is obtained, then according to the corresponding monochrome information of destination object and target brightness value, it is determined that
Exposure bias value, finally according to exposure bias value, adjusts the light exposure of present image.Hereby it is achieved that according in present image
Destination object monochrome information and target brightness value, be exposed compensation, optimize the visual effect of image, improve image
Quality.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 is the flow chart of the exposure compensation of the application one embodiment；
Fig. 2 is the flow chart of the exposure compensation of the application another embodiment；
Fig. 3 is the structure chart of the exposure compensating device of the application one embodiment；
Fig. 4 is the structure chart of the exposure compensating device of the application another embodiment；
Fig. 5 is the structure chart of the terminal device of the application one embodiment.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
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, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings the exposure compensation, device and terminal device of the embodiment of the present invention described.
Various embodiments of the present invention are directed to existing camera device, when carrying out image taking according to photometric data, may make
There is obvious deviation in image, the problem of influenceing the visual effect of image, poor image quality, proposes a kind of exposure compensation.
Exposure compensation provided in an embodiment of the present invention, when it is determined that including destination object in present image, obtains destination object pair
The monochrome information answered, then according to the corresponding monochrome information of destination object and target brightness value, determines exposure bias value, so that root
According to exposure bias value, the light exposure of present image is adjusted.It is achieved thereby that the brightness letter of the destination object in present image
Breath and target brightness value, are exposed compensation, optimize the visual effect of image, improve picture quality.
The exposure compensation of the embodiment of the present application is illustrated with reference to Fig. 1.
Fig. 1 is the flow chart of the exposure compensation of the application one embodiment.
As shown in figure 1, this method includes：
Step 101, when it is determined that including destination object in present image, the corresponding brightness letter of the destination object is obtained
Breath.
Wherein, exposure compensation provided in an embodiment of the present invention, can be by exposure compensating provided in an embodiment of the present invention
Device is performed.Specifically, the exposure compensating device, can be configured in any terminal device with image camera function.
Wherein, the type of terminal device is a lot, can need to be selected according to application, for example：Mobile phone, computer, camera etc..
Wherein, preview image during present image fingering row image taking.It is probably portrait image, it is also possible to scenery
Image etc., the present embodiment is not limited this.
Destination object refers to the object in present image with fixed colour system.Such as, for portrait image, due to tooth
Tooth or the white of the eye, belong to white color system object, and the usual affiliated colour system such as hair and skin is not fixed, such as people may be by hair
A variety of colors is dyed, therefore, it can selected tooth or the white of the eye is destination object.
Specifically, can determine to include destination object in present image by following steps 101a- step 101c.
Step 101a, recognition of face is carried out to the present image, determines to include human face region in the present image.
Step 101b, according to default human face five-sense-organ model, determines first where the organ belonging to the destination object
Region.
Specifically, can by template matching method, inlay drawing method, geometry construction method, neural net method etc.
A variety of methods, Face datection is carried out to present image, to determine to include human face region in present image, and according to default face
Face model, carries out local feature region comparison, to determine the first area where the organ belonging to destination object to human face region.
Step 101c, in the first area, including brightness value is when meeting the region of preparatory condition, it is determined that described to work as
Destination object is included in preceding image.
It is understood that according to default human face five-sense-organ model, it is determined that destination object belonging to organ where
One region, potentially includes multiple regions with different brightness values.Such as, first area be eyes where region when, due to
Eyes include eyeball, the white of the eye, eyelashes etc..Both the less area of brightness value where eyeball had been included in region i.e. where eyes
Domain, and include larger region of the brightness value where the white of the eye, etc..Therefore, in embodiments of the present invention, can be according to the firstth area
Brightness value in domain, determines whether include destination object in present image.
Specifically, step 101c can include：
Judge in the first area, if be more than the target area of first threshold including brightness value；
If, it is determined that whether the three primary colors value of the target area meets default relation；
If, it is determined that destination object is included in the present image.
It is understood that according only to brightness value, judging destination object whether is included in present image, judged result may
Can be inaccurate.Such as, when destination object is the white of the eye, the color of destination object is usually white, and brightness value is more than first threshold
Target area, potentially include multiple color.So, in embodiments of the present invention, can in order to obtain more accurately judged result
It is common to judge whether include destination object in present image to combine brightness value and three primary colors value.
Wherein, first threshold, can be arranged as required to.Such as, can rule of thumb, the attribute of destination object etc. carries out
Set.
Default relation, the three primary colors value that can refer to target area is in certain proportionate relationship, in one kind preferably
In way of realization, the three primary colors value of target area should meet 1:1:1 relation.
If specifically, in first area, including brightness value is more than the target area of first threshold, and the three of target area are former
Color value meets default relation, then can determine to include destination object in present image.Wherein, target area is target pair
As the region at place.
Step 102, according to the corresponding monochrome information of the destination object and target brightness value, exposure bias value is determined.
It is understood that for shooting portrait image, portrait is the main body of whole image, and existing exposure control
Method processed, generally general image brilliance control in some setting value, which results under the special screnes such as strong backlight, main body
The loss of information.
Therefore, the destination object when shooting portrait image, it is necessary in present image, is used as unified reference pair
As exposure bias value being determined, to be exposed compensation to present image.
It is understood that hair color, colour of skin due to human body etc. is typically different, if according to human body in present image
The monochrome information of hair, skin etc., determines exposure bias value, then preferable effect may be still unable to reach by shooting obtained image
Really.And the color of the white of the eye, tooth due to human body is generally more or less the same, therefore, in embodiments of the present invention, destination object can
To be the white of the eye, tooth, so that according to the white of the eye, the corresponding monochrome information of tooth and target brightness value, exposure bias value is determined, with right
Present image is exposed compensation.
Wherein, target brightness value, can pre-set, and can also be needed to be adjusted according to user.Such as, user
When wishing to shoot the image of higher light exposure, target brightness value can be set to larger value；User wishes to shoot relatively low exposure
During the image of light quantity, target brightness value can be set to less value.
Step 103, according to the exposure bias value, the light exposure of the present image is adjusted.
Specifically, if it is determined that can then be corresponded in present image comprising destination object according to destination object in present image
Monochrome information and target brightness value, exposure bias value is determined, to adjust the light exposure of present image.
, can be by changing the parameters such as aperture, shutter, to adjust the light exposure of present image when implementing.
For example, if the brightness value of destination object is more than target brightness value, exposure compensating is negative sense exposure compensating, this
When, the light exposure of present image can be turned down by reducing f-number, improving the methods such as shutter speed；If destination object
When brightness value is less than target brightness value, then exposure compensating is positive exposure compensating, at this point it is possible to by increasing f-number, reduction
The methods such as shutter speed, the light exposure of present image is tuned up.
Exposure compensation provided in an embodiment of the present invention, first when it is determined that including destination object in present image, is obtained
The corresponding monochrome information of destination object is taken, then according to the corresponding monochrome information of destination object and target brightness value, it is determined that exposure
Offset, finally according to exposure bias value, adjusts the light exposure of present image.Hereby it is achieved that the mesh in present image
The monochrome information and target brightness value of object are marked, compensation is exposed, optimizes the visual effect of image, improve image matter
Amount.
By above-mentioned analysis, the monochrome information of destination object that can be in present image, and target brightness value,
It is exposed compensation.When implementing, target brightness value can be configured according to the attribute information of destination object, be tied below
Fig. 2 is closed, exposure compensation provided in an embodiment of the present invention is further described.
Fig. 2 is the flow chart of the exposure compensation of the application another embodiment.
As shown in Fig. 2 this method includes：
Step 201, recognition of face is carried out to present image, determines to include human face region in the present image.
Step 202, according to default human face five-sense-organ model, the firstth area where the organ belonging to the destination object is determined
Domain.
Step 203, in the first area, including brightness value is when meeting the region of preparatory condition, it is determined that described to work as
Destination object is included in preceding image.
Step 204, the corresponding monochrome information of the destination object is obtained.
Step 205, according to the attribute of the destination object, the target brightness value is determined.
Wherein, the attribute of destination object, can include the information such as type, color, the brightness of destination object.
Specifically, can be according to information such as type, the common colors of destination object, by the desired level value of destination object
It is used as target brightness value.Such as, if destination object is the white of the eye, when corresponding brightness value is 248, effect can be obtained and preferably schemed
Picture, then corresponding target brightness value could be arranged to 248.
When implementing, the attribute of destination object can be pre-set, the mapping relations with target brightness value, so that true
Set the goal after the attribute of object, target brightness value can be determined according to mapping relations.
Such as, it is assumed that when destination object is the white of the eye, corresponding target brightness value is 248；When destination object is tooth, correspondence
Target brightness value be 250.Then if it is determined that when the destination object included in present image is tooth, object brightness can be set
For 250.
It is understood that the color of the white of the eye, tooth due to different human body etc. there may be fine difference, accordingly,
Shoot different people as when, it may be necessary to different target brightness values are set, to obtain preferably portrait image.So, in this hair
In bright embodiment, target brightness value can also be adjusted according to the attribute of destination object.
As an example it is assumed that the destination object in present image is the white of the eye, and the brightness value of the Asian white of the eye is 248；
The brightness value of the European white of the eye is 245.When then the portrait in present image is Asian, then it can determine that target brightness value is
248。
Step 206, according to the corresponding monochrome information of the destination object and target brightness value, exposure bias value is determined.
Step 207, according to the exposure bias value, the light exposure of the present image is adjusted.
Wherein, above-mentioned steps 201- steps 207 implement process and principle, are referred to step in above-described embodiment
The detailed description of 101- steps 103, here is omitted.
The exposure compensation that the embodiment of the present application is provided, it is first determined destination object is included in present image, is then obtained
The corresponding monochrome information of destination object is taken, further according to the corresponding monochrome information of destination object and target brightness value, it is determined that exposure is mended
Value is repaid, finally according to exposure bias value, the light exposure of present image is adjusted.Hereby it is achieved that the target in present image
The monochrome information and target brightness value of object, are exposed compensation, optimize the visual effect of image, improve picture quality.
Fig. 3 is the structure chart of the exposure compensating device of the application one embodiment.
As shown in figure 3, the exposure compensating device includes：
Acquisition module 31, for when it is determined that including destination object in present image, obtaining the destination object corresponding
Monochrome information；
First determining module 32, for according to the corresponding monochrome information of the destination object and target brightness value, it is determined that exposing
Light offset；
Processing module 33, for according to the exposure bias value, adjusting the light exposure of the present image.
Wherein, the exposure compensating device that the present embodiment is provided, can perform exposure compensating side provided in an embodiment of the present invention
Method.Specifically, the exposure compensating device, can be configured in any terminal device with image camera function.Wherein, eventually
The type of end equipment is a lot, can need to be selected according to application, for example：Mobile phone, computer, camera etc..
In a kind of possible way of realization of the present embodiment, one in above-mentioned destination object, including following arbitrary objects
Or it is multiple：The white of the eye, tooth.
In the alternatively possible way of realization of the present embodiment, above-mentioned acquisition module 31, specifically for：
Recognition of face is carried out to the present image, determines to include human face region in the present image；
According to default human face five-sense-organ model, the first area where the organ belonging to the destination object is determined；
In the first area, including brightness value is when meeting the region of preparatory condition, it is determined that in the present image
Include destination object.
Further, above-mentioned acquisition module 31, is additionally operable to：
Judge in the first area, if be more than the target area of first threshold including brightness value；
If, it is determined that whether the three primary colors value of the target area meets default relation；
If, it is determined that destination object is included in the present image.
It should be noted that being also applied for the implementation to the explanation of exposure compensation embodiment in previous embodiment
The exposure compensating device of example, here is omitted.
The exposure compensating device that the embodiment of the present application is provided, first when it is determined that including destination object in present image, is obtained
The corresponding monochrome information of destination object is taken, then according to the corresponding monochrome information of destination object and target brightness value, it is determined that exposure
Offset, finally according to exposure bias value, adjusts the light exposure of present image.Hereby it is achieved that the mesh in present image
The monochrome information and target brightness value of object are marked, compensation is exposed, optimizes the visual effect of image, improve image matter
Amount.
Fig. 4 is the structure chart of the exposure compensating device of the application another embodiment.
As shown in figure 4, on the basis of shown in Fig. 3, the exposure compensating device, in addition to：
Second determining module 41, for the attribute according to the destination object, determines the target brightness value.
It should be noted that being also applied for the implementation to the explanation of exposure compensation embodiment in previous embodiment
The exposure compensating device of example, here is omitted.
The exposure compensating device that the embodiment of the present application is provided, first when it is determined that including destination object in present image, is obtained
The corresponding monochrome information of destination object is taken, then according to the corresponding monochrome information of destination object and target brightness value, it is determined that exposure
Offset, finally according to exposure bias value, adjusts the light exposure of present image.Hereby it is achieved that the mesh in present image
The monochrome information and target brightness value of object are marked, compensation is exposed, optimizes the visual effect of image, improve image matter
Amount.
Further aspect of the present invention embodiment also proposes a kind of terminal device.
Fig. 5 is the structure chart for the terminal device that the application one embodiment is provided.
Wherein, the type of terminal device is a lot, can need to be selected according to application, for example：Mobile phone, computer, camera
Deng.Fig. 5 is illustrated by mobile phone of terminal device.
As shown in figure 5, the terminal device includes：Housing 501, processor 502, memory 503, circuit board 504 and power supply
Circuit 505, wherein, the circuit board 504 is placed in the interior volume that the housing 501 is surrounded, the processor 502 and described
Memory 503 is arranged on the circuit board 604；The power circuit 505, for each circuit for the terminal device or
Device is powered；The memory 503 is used to store executable program code；The processor 502 is by reading the memory
The executable program code stored in 503, to run program corresponding with the executable program code, for performing as before
State the exposure compensation in embodiment.
It should be noted that the foregoing explanation to exposure compensation embodiment is also applied for the terminal of the embodiment
Equipment, its realization principle is similar, and here is omitted.
The terminal device that the embodiment of the present application is provided, first when it is determined that including destination object in present image, obtains mesh
The corresponding monochrome information of object is marked, then according to the corresponding monochrome information of destination object and target brightness value, exposure compensating is determined
Value, finally according to exposure bias value, adjusts the light exposure of present image.Hereby it is achieved that the target pair in present image
The monochrome information and target brightness value of elephant, are exposed compensation, optimize the visual effect of image, improve picture quality.
For up to above-mentioned purpose, the embodiment of the present application proposes a kind of computer-readable recording medium, calculating is stored thereon with
Machine program, is realized such as the exposure compensation in previous embodiment when the program is executed by processor.
For up to above-mentioned purpose, the embodiment of the present application proposes a kind of computer program product, when computer program production
When instruction processing unit in product is performed, perform such as the exposure compensation in previous embodiment.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Represent in flow charts or logic and/or step described otherwise above herein, for example, being considered use
In the order list for the executable instruction for realizing logic function, it may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress for combining these instruction execution systems, device or equipment and using
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wirings
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, can even is that can be in the paper of printing described program thereon or other are suitable for computer-readable medium
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
It should be noted that in the description of this specification, reference term " one embodiment ", " some embodiments ", " show
The description of example ", " specific example " or " some examples " etc. mean to combine the specific features of the embodiment or example description, structure,
Material or feature are contained at least one embodiment of the present invention or example.In this manual, above-mentioned term is shown
The statement of meaning property is necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can in an appropriate manner be combined in any one or more embodiments or example.In addition, in the case of not conflicting,
Those skilled in the art can be by the not be the same as Example or example and non-be the same as Example described in this specification or example
Feature is combined and combined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of exposure compensation, it is characterised in that including：
When it is determined that including destination object in present image, the corresponding monochrome information of the destination object is obtained；
According to the corresponding monochrome information of the destination object and target brightness value, exposure bias value is determined；
According to the exposure bias value, the light exposure of the present image is adjusted.
2. the method as described in claim 1, it is characterised in that one in the destination object, including following arbitrary objects
Or it is multiple：The white of the eye, tooth.
3. method as claimed in claim 2, it is characterised in that destination object is included in the determination present image, including：
Recognition of face is carried out to the present image, determines to include human face region in the present image；
According to default human face five-sense-organ model, the first area where the organ belonging to the destination object is determined；
In the first area, including brightness value is when meeting the region of preparatory condition, it is determined that included in the present image
Destination object.
4. method as claimed in claim 3, it is characterised in that in the first area, including brightness value meets preparatory condition
Region when, it is determined that in the present image include destination object, including：
Judge in the first area, if be more than the target area of first threshold including brightness value；
If, it is determined that whether the three primary colors value of the target area meets default relation；
If, it is determined that destination object is included in the present image.
5. the method as described in claim 1-4 is any, it is characterised in that described to be believed according to the corresponding brightness of the destination object
Breath and target brightness value, before determining exposure bias value, in addition to：
According to the attribute of the destination object, the target brightness value is determined.
6. a kind of exposure compensating device, it is characterised in that including：
Acquisition module, for when it is determined that including destination object in present image, obtaining the corresponding brightness letter of the destination object
Breath；
Determining module, for according to the corresponding monochrome information of the destination object and target brightness value, determining exposure bias value；
Processing module, for according to the exposure bias value, adjusting the light exposure of the present image.
7. device as claimed in claim 6, it is characterised in that one in the destination object, including following arbitrary objects
Or it is multiple：The white of the eye, tooth.
8. device as claimed in claim 7, it is characterised in that the acquisition module, specifically for：
Recognition of face is carried out to the present image, determines to include human face region in the present image；
According to default human face five-sense-organ model, the first area where the organ belonging to the destination object is determined；
In the first area, including brightness value is when meeting the region of preparatory condition, it is determined that included in the present image
Destination object.
9. a kind of terminal device, it is characterised in that including：Housing, processor, memory, circuit board and power circuit, wherein,
The circuit board is placed in the interior volume that the housing is surrounded, and the processor and the memory are arranged on the circuit board
On；The power circuit, for being powered for each circuit or device of the terminal device；The memory is used to store and can hold
Line program code；The processor by reading the executable program code stored in the memory, come run with it is described can
The corresponding program of configuration processor code, for performing the exposure compensation as described in any in claim 1-5.
10. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is by processor
The exposure compensation as described in any in claim 1-5 is realized during execution.
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