CN105049726B - A kind of mobile terminal photographic method and mobile terminal - Google Patents
A kind of mobile terminal photographic method and mobile terminal Download PDFInfo
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- CN105049726B CN105049726B CN201510475192.6A CN201510475192A CN105049726B CN 105049726 B CN105049726 B CN 105049726B CN 201510475192 A CN201510475192 A CN 201510475192A CN 105049726 B CN105049726 B CN 105049726B
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Abstract
The embodiment of the invention discloses a kind of mobile terminal photographic method and mobile terminal, method therein may include:Receive the photographing instruction of user's triggering;The face brightness value and background value of the shooting personage presented in shooting preview picture are obtained according to the photographing instruction;Judged whether to need to adjust the light exposure for shooting personage according to the face brightness value and/or the background value;If judging to need to adjust the light exposure for shooting personage, face brightness value and/or the background value of the shooting personage is adjusted to adjust the light exposure of the shooting personage;The shooting personage is shot according to the light exposure of the shooting personage after adjustment.Using the present invention, the face brightness value and background value of shooting personage can be automatically adjusted, and then adjust the light exposure of shooting personage, the image for comparing good quality is shot with this.
Description
Technical field
It takes pictures field more particularly to a kind of mobile terminal photographic method and mobile terminal the present invention relates to mobile terminal.
Background technology
With the diversification of intelligent mobile terminal function, user is also higher and higher to the experience requirements taken pictures, mobile terminal
Camera function increasingly paid attention to.With popularizing for smart mobile phone, the front camera in smart mobile phone is commonly used in people
Self-timer is carried out, is at present not configure flash lamp in terms of front camera the considerations of for cost or technique etc.,
Therefore, user needs to carry out in the case where light is relatively good, can just take the figure for comparing good quality in this way when carrying out self-timer
Picture.When user carries out self-timer using front camera, if the head portrait zonal ray of user is dark, and the background scape that user is in
Object is excessively bright, shoots the image come in this way and will appear over-exposed (i.e. overexposure) situation, causes picture quality poor.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provides a kind of mobile terminal photographic method and mobile end
End can automatically adjust the face brightness value and background value of shooting personage, and then adjust the light exposure of shooting personage, with this
To shoot the image for comparing good quality.
In a first aspect, an embodiment of the present invention provides a kind of mobile terminal photographic methods, including:
Receive the photographing instruction of user's triggering;
Face brightness value and the background that the shooting personage presented in shooting preview picture is obtained according to the photographing instruction are bright
Angle value;
Judged whether to need to adjust the exposure for shooting personage according to the face brightness value and/or the background value
Light quantity;
If judging to need to adjust the light exposure for shooting personage, the face brightness value of the shooting personage is adjusted
And/or background value is to adjust the light exposure of the shooting personage;
The shooting personage is shot according to the light exposure of the shooting personage after adjustment.
With reference to first aspect, described according to the face brightness in the first possible realization method of first aspect
Value and/or the background value judge whether to need to adjust the light exposure of the shooting personage, including:
Judge whether the face brightness value is less than predetermined luminance threshold value;
If judging, the face brightness value is less than the predetermined luminance threshold value, and the result judged is described in needs adjustment
Shoot the light exposure of personage;
The face brightness value and/or background value of the adjustment shooting personage is to adjust the exposure of the shooting personage
Light quantity, including:
The face brightness value of the shooting personage is turned up to promote the light exposure of the shooting personage.
With reference to first aspect, described according to the face brightness in second of possible realization method of first aspect
Value and/or the background value judge whether to need to adjust the light exposure of the shooting personage, including:
Judge whether the face brightness value is less than the background value;
If judging, the face brightness value is less than the background value, and the result judged is needs to adjust the bat
Take the photograph the light exposure of personage;
The face brightness value and/or background value of the adjustment shooting personage is to adjust the exposure of the shooting personage
Light quantity, including:
The face brightness value of the shooting personage is turned up, and turns down the background value to promote the shooting personage
Light exposure.
With reference to first aspect, in the third possible realization method of first aspect, the adjustment shooting personage
Face brightness value and/or background value with adjust it is described shooting personage light exposure, including:
Prompt message is exported, to prompt the user to adjust the face brightness value and/or background luminance of the shooting personage
Value;
The face brightness value of the shooting personage is turned up according to the setting instruction for the setting instruction for receiving the user,
The background value is turned down to promote the light exposure of the shooting personage.
With reference to first aspect, in the 4th kind of possible realization method of first aspect, institute in the shooting preview picture
It includes at least two to state shooting personage, described to obtain the shooting personage's presented in shooting preview picture according to the photographing instruction
Face brightness value and background value, including:
The maximum shooting personage of human face region in at least two shooting personage is obtained according to the photographing instruction
The face brightness value and the background value.
Second aspect, an embodiment of the present invention provides a kind of mobile terminals, including:
Receiving module, the photographing instruction for receiving user's triggering;
Acquisition module, the face for obtaining the shooting personage presented in shooting preview picture according to the photographing instruction are bright
Angle value and background value;
Judgment module, for judging whether to need to adjust institute according to the face brightness value and/or the background value
State the light exposure of shooting personage;
Module is adjusted, if for judging to need to adjust the light exposure for shooting personage, adjusts the shooting personage
Face brightness value and/or background value with adjust it is described shooting personage light exposure;
Taking module, for being shot to the shooting personage according to the light exposure of the shooting personage after adjustment.
In conjunction with second aspect, in the first possible realization method of second aspect, the judgment module is specifically used for
Judge whether the face brightness value is less than predetermined luminance threshold value;
If judging, the face brightness value is less than the predetermined luminance threshold value, and the result judged is described in needs adjustment
Shoot the light exposure of personage;
If the adjustment module is specifically used for judging to need to adjust the light exposure of the shooting personage, the shooting is turned up
The face brightness value of personage is to promote the light exposure of the shooting personage.
In conjunction with second aspect, in second of possible realization method of second aspect, the judgment module is specifically used for
Judge whether the face brightness value is less than the background value;
If judging, the face brightness value is less than the background value, and the result judged is needs to adjust the bat
Take the photograph the light exposure of personage;
If the adjustment module is specifically used for judging to need to adjust the light exposure of the shooting personage, the shooting is turned up
The face brightness value of personage, and the background value is turned down to promote the light exposure of the shooting personage.
In conjunction with second aspect, in the third possible realization method of second aspect, the adjustment module includes:
Output unit, for exporting prompt message, to prompt the user to adjust the face brightness value of the shooting personage
And/or background value;
Receiving unit, the setting for receiving the user instruct, and the shooting personage is turned up according to setting instruction
Face brightness value, turn down the background value with promoted it is described shooting personage light exposure.
In conjunction with second aspect, in the 4th kind of possible realization method of second aspect, institute in the shooting preview picture
It includes at least two to state shooting personage, and the acquisition module is specifically used for obtaining at least two bat according to the photographing instruction
Take the photograph the face brightness value of the maximum shooting personage of human face region in personage and the background value.
By implementing the embodiment of the present invention, in acquisition for mobile terminal shooting preview picture the face brightness value of shooting personage and
Background value, if detecting, the face brightness value is less than predetermined luminance threshold value, and the face brightness value, Huo Zheruo is turned up
It detects that the face brightness value is less than the background value, then the face brightness value is turned up, and it is bright to turn down the background
Angle value promotes the light exposure of shooting personage with this.And user can be independently arranged, the face brightness value of adjustment shooting personage
And background value, final mobile terminal shoot shooting personage according to the light exposure of the shooting personage after adjustment, with
So that the light exposure of shooting personage is adjusted, shoots the image for comparing good quality.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the flow diagram of the first embodiment of mobile terminal photographic method provided in an embodiment of the present invention;
Fig. 2 is the flow diagram of the second embodiment of mobile terminal photographic method provided in an embodiment of the present invention;
Fig. 3 is the flow diagram of the 3rd embodiment of mobile terminal photographic method provided in an embodiment of the present invention;
Fig. 4 is the interface schematic diagram of shooting preview picture provided in an embodiment of the present invention;
Fig. 5 is the structural schematic diagram of the first embodiment of mobile terminal provided in an embodiment of the present invention;
Fig. 6 is the structural schematic diagram of the adjustment module of mobile terminal provided in an embodiment of the present invention;
Fig. 7 is the structural schematic diagram of the second embodiment of mobile terminal provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that the term used in embodiments of the present invention is the mesh only merely for description specific embodiment
, it is not intended to limit the invention." the one of the embodiment of the present invention and singulative used in the attached claims
Kind ", " described " and "the" are also intended to including most forms, unless context clearly shows that other meanings.It is also understood that this
Term "and/or" used herein refers to and includes one or more any or all possible group of list items purposes mutually bound
It closes.
An embodiment of the present invention provides a kind of mobile terminal photographic method and mobile terminals, can automatically adjust shooting personage
Face brightness value and background value, and then adjust the light exposure of shooting personage, the figure for comparing good quality shot with this
Picture.Embodiment to facilitate the understanding of the present invention is below first described the mobile terminal photographic method of the embodiment of the present invention.
Fig. 1 is referred to, is the flow signal of the first embodiment of mobile terminal photographic method provided in an embodiment of the present invention
Figure, the mobile terminal photographic method of the embodiment of the present invention can include but is not limited to following steps.
S101 receives the photographing instruction of user's triggering.
In the embodiment of the present invention, mobile terminal receives the photographing instruction of user's triggering, to execute process of taking pictures.The shifting
Dynamic terminal shows shooting preview picture, and the face and background of shooting personage are shown in the shooting preview picture.Specifically
Ground, the photographing instruction can be the self-timer instruction for the front camera of the mobile terminal, when the mobile terminal connects
When receiving the self-timer instruction, the mobile terminal shows the shooting preview picture, is shown in the shooting preview picture
It is shown with the face and background of shooting personage.Wherein, the mobile terminal can include but is not limited to:Smart mobile phone is (such as
Android phone, iOS mobile phones etc.), mobile internet device (MID, Mobile Internet Devices) or wearable intelligence
Energy equipment etc. has the mobile device of camera function.For example, when user is taken pictures using the camera function on mobile terminal, then
By touching take pictures button or imaging icon in terminal, the photographing instruction is sent to the mobile terminal.
S103 obtains the face brightness value and the back of the body of the shooting personage presented in shooting preview picture according to the photographing instruction
Scape brightness value.
In the embodiment of the present invention, the mobile terminal is obtained in the shooting preview picture according to the photographing instruction and is presented
Shooting personage face brightness value and background value, wherein the shooting personage is shown in the shooting preview picture
Face and background, the face can be collected by face recognition technology by the mobile terminal, the background be user clap
According to when residing external environment, including other regions in the shooting preview picture in addition to the face.The face brightness
The size of value depends on the power for ambient, and when ambient is stronger, then the face brightness value is larger;Work as ambient light
When line is weaker, then the face brightness value is smaller.The size of the background value depends on background color and/or light is strong
It is weak.For example, when the size of the background value depends on background color, when background color is cool tone, then background is bright
Angle value is smaller;When background color is warm tones, then background value is larger.
Further, if it includes at least two to shoot personage described in the shooting preview picture, the mobile terminal root
The face of the maximum shooting personage of human face region in at least two shooting personage is obtained according to the photographing instruction
Brightness value and the background value.Using the region of maximum this face of the human face region detected as photometry region, in this way
It can guarantee that main body exposure is accurate.
S105 judges whether to need to adjust the shooting people according to the face brightness value and/or the background value
The light exposure of object.
In the embodiment of the present invention, the face brightness value and/or the background luminance that the mobile terminal root is got
Value judges whether that the light exposure to the shooting personage is needed to be adjusted, if judging to need to adjust the exposure for shooting personage
Light quantity, then the mobile terminal adjusts the light exposure of the shooting personage, if judging to adjust the shooting personage's
Light exposure, then the mobile terminal do not adjust it is described shooting personage light exposure.
Specifically, the mobile terminal judge whether to need to adjust the judgment mode of the light exposure of the shooting personage can be with
For:Judge whether the face brightness value is less than predetermined luminance threshold value.If it is described default to judge that the face brightness value is less than
Luminance threshold, the then result judged are the light exposure for needing to adjust the shooting personage;If judging, the face brightness value is big
In or be equal to the predetermined luminance threshold value, then the result judged be need not adjust it is described shoot personage light exposure.The shifting
Dynamic terminal judges whether that the judgment mode for needing to adjust the light exposure of the shooting personage can also be:Judge the face brightness
Whether value is less than the background value.If judging, the face brightness value is less than the background value, the knot judged
Fruit is the light exposure for needing to adjust the shooting personage;If judging, the face brightness value is greater than or equal to the background luminance
Value, then the result judged be need not adjust it is described shoot personage light exposure.It is understood, however, that above-mentioned according to institute
It states face brightness value and/or the background value judges whether to need to adjust the judgment mode of the light exposure of the shooting personage
Only two of which form is not intended to limit the invention, such as can also by the shooting preview picture image it is clear
It spends to judge whether need to adjust the light exposure for shooting personage under current photo environment, if the clarity of image is not high,
The result then judged is the light exposure for needing to adjust the shooting personage;If the clarity of image is high, the result judged is
The light exposure of the shooting personage need not be adjusted.
S107, if judging to need to adjust the light exposure for shooting personage, the face for adjusting the shooting personage is bright
Angle value and/or background value are to adjust the light exposure of the shooting personage.
In the embodiment of the present invention, if the mobile terminal is judged to need to adjust the light exposure of the shooting personage, adjust
The face brightness value and/or background value of the whole shooting personage is to adjust the light exposure of the shooting personage, to ensure to clap
Take out the image for comparing good quality.
Specifically, the face brightness value and/or background value of the adjustment shooting personage is to adjust the shooting
The adjustment mode of the light exposure of personage can be:The face brightness value of the shooting personage is turned up to promote the shooting personage's
Light exposure, or the face brightness value of the shooting personage is turned down to reduce the light exposure of the shooting personage.The adjustment institute
It states face brightness value and/or the background value of shooting personage and may be used also with the adjustment mode for adjusting the light exposure of the shooting personage
Think:The face brightness value of the shooting personage is turned up, and turns down the background value to promote the shooting personage's
Light exposure, or the face brightness value of the shooting personage is turned down, and the background value is turned up to reduce the shooting
The light exposure of personage.It is understood, however, that the face brightness value and/or background luminance of the above-mentioned adjustment shooting personage
The adjustment mode of light exposure of the value to adjust the shooting personage is to be not intended to limit the invention in the form of two of which.
S109 shoots the shooting personage according to the light exposure of the shooting personage after adjustment.
In the embodiment of the present invention, when the mobile terminal has adjusted the face brightness value and/or background of the shooting personage
Brightness value, after the light exposure for shooting personage, using the light exposure of the shooting personage after adjustment to institute
It states shooting personage to shoot, it is preferable to shoot the picture quality come in this way.
In the embodiment of the present invention, face brightness value and the background that personage is shot in acquisition for mobile terminal shooting preview picture are bright
Angle value judges whether the light exposure for needing to adjust the shooting personage according to the face brightness value and background value, if needing
It adjusts, then the mobile terminal adjusts the face brightness value for shooting personage and/or background value to adjust the bat
The light exposure of personage is taken the photograph, and then the shooting personage is shot using the light exposure of the shooting personage after adjustment, with
Shoot the preferable image of mass.
Fig. 2 is referred to, is the flow signal of the second embodiment of mobile terminal photographic method provided in an embodiment of the present invention
Figure, the mobile terminal photographic method of the embodiment of the present invention can include but is not limited to following steps.
S201 receives the photographing instruction of user's triggering.
In the embodiment of the present invention, mobile terminal receives the photographing instruction of user's triggering, to execute process of taking pictures.The shifting
Dynamic terminal shows shooting preview picture, and the face and background of shooting personage are shown in the shooting preview picture.Specifically
Ground, the photographing instruction can be the self-timer instruction for the front camera of the mobile terminal, when the mobile terminal connects
When receiving the self-timer instruction, the mobile terminal shows the shooting preview picture, is shown in the shooting preview picture
It is shown with the face and background of shooting personage.Wherein, the mobile terminal can include but is not limited to:Smart mobile phone is (such as
Android phone, iOS mobile phones etc.), mobile internet device (MID, Mobile Internet Devices) or wearable intelligence
Energy equipment etc. has the mobile device of camera function.For example, when user is taken pictures using the camera function on mobile terminal, then
By touching take pictures button or imaging icon in terminal, the photographing instruction is sent to the mobile terminal.
S203 obtains the face brightness value and the back of the body of the shooting personage presented in shooting preview picture according to the photographing instruction
Scape brightness value.
In the embodiment of the present invention, the mobile terminal is obtained in the shooting preview picture according to the photographing instruction and is presented
Shooting personage face brightness value and background value, wherein the shooting personage is shown in the shooting preview picture
Face and background, the face can be collected by face recognition technology by the mobile terminal, the background be user clap
According to when residing external environment, including other regions in the shooting preview picture in addition to the face.The face brightness
The size of value depends on the power for ambient, and when ambient is stronger, then the face brightness value is larger;Work as ambient light
When line is weaker, then the face brightness value is smaller.The size of the background value depends on background color and/or light is strong
It is weak.For example, when the size of the background value depends on background color, when background color is cool tone, then background is bright
Angle value is smaller;When background color is warm tones, then background value is larger.
Further, if it includes at least two to shoot personage described in the shooting preview picture, the mobile terminal root
The face of the maximum shooting personage of human face region in at least two shooting personage is obtained according to the photographing instruction
Brightness value and the background value.Using the region of maximum this face of the human face region detected as photometry region, in this way
It can guarantee that main body exposure is accurate.
S205, judges whether the face brightness value is less than the background value.
In the embodiment of the present invention, the mobile terminal judges whether the face brightness value of the shooting personage is less than the back of the body
Scape brightness value, if judging, the face brightness value is less than the background value, step S207 is executed, if judging the people
Face brightness value is more than or equal to the background value, terminates this flow.
S207, is turned up the face brightness value of the shooting personage, and turns down the background value to promote the bat
Take the photograph the light exposure of personage.
In the embodiment of the present invention, if the mobile terminal judges that the face brightness value is less than the background value,
Then the mobile terminal needs the face brightness value that the shooting personage is turned up, and adjust to realize preferable shooting effect
The low background value, to ensure that the face brightness value of the shooting personage is more than or equal to the background value, into
And the light exposure of the shooting personage is promoted, to ensure to shoot the image for comparing good quality.
S209 shoots the shooting personage according to the light exposure of the shooting personage after adjustment.
In the embodiment of the present invention, when the mobile terminal has adjusted the face brightness value and/or background of the shooting personage
Brightness value, after the light exposure for shooting personage, using the light exposure of the shooting personage after adjustment to institute
It states shooting personage to shoot, it is preferable to shoot the picture quality come in this way.
Fig. 3 is referred to, is the flow signal of the 3rd embodiment of mobile terminal photographic method provided in an embodiment of the present invention
Figure, the mobile terminal photographic method of the embodiment of the present invention can include but is not limited to following steps.
S301 receives the photographing instruction of user's triggering.
In the embodiment of the present invention, mobile terminal receives the photographing instruction of user's triggering, to execute process of taking pictures.The shifting
Dynamic terminal shows shooting preview picture, and the face and background of shooting personage are shown in the shooting preview picture.Specifically
Ground, the photographing instruction can be the self-timer instruction for the front camera of the mobile terminal, when the mobile terminal connects
When receiving the self-timer instruction, the mobile terminal shows the shooting preview picture, is shown in the shooting preview picture
It is shown with the face and background of shooting personage.Wherein, the mobile terminal can include but is not limited to:Smart mobile phone is (such as
Android phone, iOS mobile phones etc.), mobile internet device (MID, Mobile Internet Devices) or wearable intelligence
Energy equipment etc. has the mobile device of camera function.For example, when user is taken pictures using the camera function on mobile terminal, then
By touching take pictures button or imaging icon in terminal, the photographing instruction is sent to the mobile terminal.
S303 obtains the face brightness value and the back of the body of the shooting personage presented in shooting preview picture according to the photographing instruction
Scape brightness value.
In the embodiment of the present invention, the mobile terminal is obtained in the shooting preview picture according to the photographing instruction and is presented
Shooting personage face brightness value and background value, wherein the shooting personage is shown in the shooting preview picture
Face and background, the face can be collected by face recognition technology by the mobile terminal, the background be user clap
According to when residing external environment, including other regions in the shooting preview picture in addition to the face.The face brightness
The size of value depends on the power for ambient, and when ambient is stronger, then the face brightness value is larger;Work as ambient light
When line is weaker, then the face brightness value is smaller.The size of the background value depends on background color and/or light is strong
It is weak.For example, when the size of the background value depends on background color, when background color is cool tone, then background is bright
Angle value is smaller;When background color is warm tones, then background value is larger.
Further, if it includes at least two to shoot personage described in the shooting preview picture, the mobile terminal root
The face of the maximum shooting personage of human face region in at least two shooting personage is obtained according to the photographing instruction
Brightness value and the background value.Using the region of maximum this face of the human face region detected as photometry region, in this way
It can guarantee that main body exposure is accurate.
S305 judges whether to need to adjust the shooting people according to the face brightness value and/or the background value
The light exposure of object.
In the embodiment of the present invention, the face brightness value and/or the background luminance that the mobile terminal root is got
Value judges whether that the light exposure to the shooting personage is needed to be adjusted, if judging to need to adjust the exposure for shooting personage
Light quantity, then the mobile terminal adjusts the light exposure of the shooting personage, if judging to adjust the shooting personage's
Light exposure, then the mobile terminal do not adjust it is described shooting personage light exposure.If judging to need to adjust the shooting personage
Light exposure, enter step S307, otherwise terminate this flow.
Specifically, the mobile terminal judge whether to need to adjust the judgment mode of the light exposure of the shooting personage can be with
For:Judge whether the face brightness value is less than predetermined luminance threshold value.If it is described default to judge that the face brightness value is less than
Luminance threshold, the then result judged are the light exposure for needing to adjust the shooting personage;If judging, the face brightness value is big
In or be equal to the predetermined luminance threshold value, then the result judged be need not adjust it is described shoot personage light exposure.The shifting
Dynamic terminal judges whether that the judgment mode for needing to adjust the light exposure of the shooting personage can also be:Judge the face brightness
Whether value is less than the background value.If judging, the face brightness value is less than the background value, the knot judged
Fruit is the light exposure for needing to adjust the shooting personage;If judging, the face brightness value is greater than or equal to the background luminance
Value, then the result judged be need not adjust it is described shoot personage light exposure.It is understood, however, that above-mentioned according to institute
It states face brightness value and/or the background value judges whether to need to adjust the judgment mode of the light exposure of the shooting personage
Only two of which form is not intended to limit the invention, such as can also by the shooting preview picture image it is clear
It spends to judge whether need to adjust the light exposure for shooting personage under current photo environment, if the clarity of image is not high,
The result then judged is the light exposure for needing to adjust the shooting personage;If the clarity of image is high, the result judged is
The light exposure of the shooting personage need not be adjusted.
S307 exports prompt message, to prompt the user to adjust the face brightness value and/or background of the shooting personage
Brightness value.
It is described if the mobile terminal is judged to need to adjust the light exposure of the shooting personage in the embodiment of the present invention
Mobile terminal exports prompt message in the shooting preview picture, to prompt the user right in the shooting preview picture
The face brightness value and/or background value of the shooting personage is adjusted.Specifically, the exhibition method of the prompt message
It can be slider bar exhibition method, can also be the exhibition method that text prompt mode or slider bar are combined with file, this
Inventive embodiments are not especially limited.Wherein, the slider bar can carry out brightness regulation, and the user can be in the shooting
The frame choosing in region is carried out in preview screen, the region chosen by way of frame choosing is the region for needing to adjust brightness value, institute
It states user and slides the slider bar to carry out the brightness in the region from main regulation, the exhibition method of the frame choosing can be to appoint
Meaning geometric figure.For example, when user carries out self-timer, mobile terminal detects the light exposure for needing to adjust the shooting personage,
Then the mobile terminal shows the slider bar in the shooting preview picture, if the user wants to protrude people in self-timer
Face, can by way of rectangle frame face making region, it is bright draw human face region to slide the slider bar.Specifically
Ground is the interface schematic diagram of shooting preview picture provided in an embodiment of the present invention, wherein mark 401 reference can be made to shown in Fig. 4
Rectangle frame indicates that the brightness of the background area can be adjusted, and mark 403 is the slider bar, and mark 405 is human face region, described
After mobile terminal receives the photographing instruction of the user, detect that face brightness value is less than background value, in order to avoid clapping
Go out over-exposed image, the mobile terminal output character prompt message prompts user to carry out brightness regulation, and user passes through cunning
The slider bar is moved, 401 background area brightness is dragged down, the brightness of face can be protruded in this way and ignore the bright of scenery below
Degree, to avoid image overexposure, and user can be as needed from main regulation face brightness value and background value, to meet difference
The demand of user, this mode is more suitable for the self-timer in scenic spot, very useful.It should be noted that the embodiment of the present invention be with
The mobile terminal is judged to need to adjust the prompt message exported after light exposure after receiving photographing instruction,
In some other executable scheme, user is before triggering photographing instruction, can also be certainly in the shooting preview picture
Face brightness value and the background value described in main modulation meet different user to realize different shooting effects with this
Shooting demand.
S309 receives the setting instruction of the user, and the face that the shooting personage is turned up according to the setting instruction is bright
Angle value turns down the background value to promote the light exposure of the shooting personage.
In the embodiment of the present invention, the mobile terminal receives the setting that the user inputs in the shooting preview picture
Instruction instructs according to the setting and face brightness value is turned up, and turns down the background value to promote the exposure of the shooting personage
Light quantity.Specifically, if the prompting mode is slider bar mode, the setting instruction as refers to for the sliding of the slider bar
It enabling, the face brightness value for shooting personage is turned up in the amplitude that the mobile terminal slides the slider bar according to the user,
The background value is turned down to promote the light exposure of the shooting personage.The embodiment of the present invention is so that the shooting personage is turned up
Face brightness value, background value explanation for making for promoting the light exposure of the shooting personage is turned down, at other
In some executable schemes, the mobile terminal can also turn down the people of the shooting personage according to the setting instruction of the user
The background value is turned up to reduce the light exposure of the shooting personage in face brightness value.Meet the shooting of different user with this
Demand.
S311 shoots the shooting personage according to the light exposure of the shooting personage after adjustment.
In the embodiment of the present invention, when the mobile terminal has adjusted the face brightness value and/or background of the shooting personage
Brightness value, after the light exposure for shooting personage, using the light exposure of the shooting personage after adjustment to institute
It states shooting personage to shoot, it is preferable to shoot the picture quality come in this way.
The above-mentioned method for illustrating the embodiment of the present invention, following for convenient for preferably implementing the embodiment of the present invention
Said program is correspondingly also provided below for coordinating the associated terminal for implementing said program.
Fig. 5 is referred to, is the structural schematic diagram of the first embodiment of mobile terminal provided in an embodiment of the present invention, it is mobile whole
End 50 includes:Receiving module 501, acquisition module 503, judgment module 505, adjustment module 507 and taking module 509, wherein
Receiving module 501, the photographing instruction for receiving user's triggering.
Acquisition module 503, the people for obtaining the shooting personage presented in shooting preview picture according to the photographing instruction
Face brightness value and background value.
Further, if it includes at least two to shoot personage described in the shooting preview picture, acquisition module 503 is specific
Institute for obtaining the maximum shooting personage of human face region in at least two shooting personage according to the photographing instruction
State face brightness value and the background value.
Judgment module 505, for judging whether to need to adjust according to the face brightness value and/or the background value
The light exposure of the shooting personage.
Further, judgment module 505 is specifically used for judging whether the face brightness value is less than predetermined luminance threshold value;
If judging, the face brightness value is less than the predetermined luminance threshold value, and the result judged is described in needs adjustment
Shoot the light exposure of personage.
Further, judgment module 505 is specifically used for judging whether the face brightness value is less than the background luminance
Value;
If judging, the face brightness value is less than the background value, and the result judged is needs to adjust the bat
Take the photograph the light exposure of personage.
Module 507 is adjusted, if for judging to need to adjust the light exposure for shooting personage, adjusts the shooting people
The face brightness value and/or background value of object are to adjust the light exposure of the shooting personage.
Further, it if adjustment module 507 is specifically used for judging to need to adjust the light exposure of the shooting personage, is turned up
The face brightness value of the shooting personage is to promote the light exposure of the shooting personage.
Further, it if adjustment module 507 is specifically used for judging to need to adjust the light exposure of the shooting personage, adjusts
The face brightness value of the high shooting personage, and the background value is turned down to promote the light exposure of the shooting personage.
Taking module 509, for being clapped the shooting personage according to the light exposure of the shooting personage after adjustment
It takes the photograph.
It will be appreciated that the function of each functional unit of the mobile terminal 50 of the present embodiment can be according to above-mentioned Fig. 1 or the side Fig. 2
The method of method embodiment implements, and details are not described herein again.
Further, Fig. 6 is referred to, is that the structure of the adjustment module 507 of mobile terminal provided in an embodiment of the present invention is shown
It is intended to.The adjustment module 507 includes:Output unit 5071 and receiving unit 5073, wherein
Output unit 5071, for exporting prompt message, to prompt the face that the user adjusts the shooting personage bright
Angle value and/or background value.
Receiving unit 5073, the setting for receiving the user instruct, and the shooting is turned up according to setting instruction
The face brightness value of personage turns down the background value to promote the light exposure of the shooting personage.
It will be appreciated that the function of each functional unit of the adjustment module 507 of the present embodiment can be according to above-mentioned Fig. 3 methods reality
The method specific implementation of example is applied, details are not described herein again.
Fig. 7 is referred to, is the structural schematic diagram of the second embodiment of mobile terminal provided by the invention.Wherein, such as Fig. 7 institutes
Show, mobile terminal 70 may include:At least one processor 701, such as CPU, at least one bus 702, at least one input
Device 703 and at least one output device 704, memory 705.Wherein, bus 702 is for realizing the communication between these components
Connection;The touch panel of the concretely terminal of input unit 703, including touch screen and touch screen are used for detection terminal touch surface
Operational order on plate;Output device 704 may include the display screen (Display) of terminal, for export, show image or
Data;Memory 705 can be high-speed RAM display, can also be non-labile display (non-volatile
Memory), a for example, at least disk display, memory 705 optionally can also be at least one and be located remotely from aforementioned place
Manage the display device of device 701.As shown in fig. 7, as may include operation system in a kind of memory 705 of Computer display medium
System, network communication module, Subscriber Interface Module SIM and camera program.
In mobile terminal 70 shown in Fig. 7, journey that processor 701 can be used for storing in run memory 705 take pictures
Sequence, and execute following operation:
The photographing instruction of user's triggering is received by input unit 703;
Face brightness value and the background that the shooting personage presented in shooting preview picture is obtained according to the photographing instruction are bright
Angle value;
Judged whether to need to adjust the exposure for shooting personage according to the face brightness value and/or the background value
Light quantity;
If judging to need to adjust the light exposure for shooting personage, the face brightness value of the shooting personage is adjusted
And/or background value is to adjust the light exposure of the shooting personage;
The shooting personage is shot according to the light exposure of the shooting personage after adjustment.
Further, processor 701 execute it is described according to the face brightness value and/or the background value judgement be
The step of no light exposure for needing to adjust the shooting personage is specially:
Judge whether the face brightness value is less than predetermined luminance threshold value;
If judging, the face brightness value is less than the predetermined luminance threshold value, and the result judged is described in needs adjustment
Shoot the light exposure of personage;
Processor 701 executes the adjustment face brightness value for shooting personage and/or background value to adjust
State shooting personage light exposure the step of be specially:
The face brightness value of the shooting personage is turned up to promote the light exposure of the shooting personage.
Further, processor 701 executes described judges according to the face brightness value and/or the background value
The step of light exposure for whether needing to adjust the shooting personage is specially:Judge whether the face brightness value is less than the back of the body
Scape brightness value;
If judging, the face brightness value is less than the background value, and the result judged is needs to adjust the bat
Take the photograph the light exposure of personage;
Processor 701 executes the adjustment face brightness value for shooting personage and/or background value to adjust
State shooting personage light exposure the step of be specially:
The face brightness value of the shooting personage is turned up, and turns down the background value to promote the shooting personage
Light exposure.
Further, processor 701 executes the face brightness value and/or background luminance of the adjustment shooting personage
Value is specifically included with adjusting the step of the light exposure for shooting personage:
Prompt message is exported, to prompt the user to adjust the face brightness value and/or background luminance of the shooting personage
Value;
The face brightness value of the shooting personage is turned up according to the setting instruction for the setting instruction for receiving the user,
The background value is turned down to promote the light exposure of the shooting personage.
Further, it includes at least two that personage is shot described in the shooting preview picture, and processor 701 executes institute
State the face brightness value and background value that the shooting personage presented in shooting preview picture is obtained according to the photographing instruction
Step is specially:
The maximum shooting personage of human face region in at least two shooting personage is obtained according to the photographing instruction
The face brightness value and the background value.
It will be appreciated that for details, reference can be made in described in Fig. 1 or Fig. 2 or Fig. 3 embodiments for the execution step of processor 701
Hold, which is not described herein again.
It should be noted that above-mentioned mobile terminal can include but is not limited to:Smart mobile phone (such as Android phone, iOS
Mobile phone etc.), mobile internet device (MID, Mobile Internet Devices) or wearable intelligent equipment etc. have and take pictures
The mobile device of function.
In conclusion by implementing the embodiment of the present invention, the people of personage is shot in acquisition for mobile terminal shooting preview picture
Face brightness value and background value, if detecting, the face brightness value is less than predetermined luminance threshold value, and it is bright that the face is turned up
Angle value, if detecting that less than the background value, the face brightness value is turned up, and turn down in the face brightness value
The background value promotes the light exposure of shooting personage with this.And user can be independently arranged, adjustment shooting personage's
Face brightness value and background value, final mobile terminal according to after adjustment shooting personage light exposure to shooting personage into
Row shooting shoots the image for comparing good quality so that the light exposure of shooting personage can adjust.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
It is above disclosed to be only a preferred embodiment of the present invention, the power of the present invention cannot be limited with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and is weighed according to the present invention
Equivalent variations made by profit requirement, still belong to the scope covered by the invention.
Claims (8)
1. a kind of mobile terminal photographic method, which is characterized in that including:
Receive the photographing instruction of user's triggering;
The face brightness value and background value of the shooting personage presented in shooting preview picture are obtained according to the photographing instruction;
Judged whether to need to adjust the exposure for shooting personage according to the face brightness value and/or the background value
Amount;
If judging to need to adjust the light exposure of the shooting personage, adjust the shooting personage face brightness value and/or
Background value with adjust it is described shooting personage light exposure, including:Prompt message is exported, to prompt described in user's adjustment
Shoot the face brightness value and/or background value of personage;Wherein, the exhibition method of the prompt message includes slider bar displaying
Mode, the slider bar is for carrying out brightness regulation;It responds shooting personage of the user in the shooting preview picture and carries out area
The frame in domain selects, and determines that the region chosen by way of frame choosing is to shoot personage to need to adjust the region of brightness value, and response
User slides the brightness in the region chosen described in the slip instruction adjustment of the slider bar and adjusts the exposure for shooting personage
Amount;
The shooting personage is shot according to the light exposure of the shooting personage after adjustment.
2. the method as described in claim 1, which is characterized in that described bright according to the face brightness value and/or the background
Angle value judges whether to need to adjust the light exposure of the shooting personage, including:
Judge whether the face brightness value is less than predetermined luminance threshold value;
If judging, the face brightness value is less than the predetermined luminance threshold value, and the result judged is needs to adjust the shooting
The light exposure of personage;
The face brightness value and/or background value of the adjustment shooting personage is to adjust the exposure of the shooting personage
Amount, including:
The face brightness value of the shooting personage is turned up to promote the light exposure of the shooting personage.
3. the method as described in claim 1, which is characterized in that described bright according to the face brightness value and/or the background
Angle value judges whether to need to adjust the light exposure of the shooting personage, including:
Judge whether the face brightness value is less than the background value;
If judging, the face brightness value is less than the background value, and the result judged is needs to adjust the shooting people
The light exposure of object;
The face brightness value and/or background value of the adjustment shooting personage is to adjust the exposure of the shooting personage
Amount, including:
The face brightness value of the shooting personage is turned up, and turns down the background value to promote the exposure of the shooting personage
Light quantity.
4. the method as described in claim 1, which is characterized in that it includes at least to shoot personage described in the shooting preview picture
Two, the face brightness value that the shooting personage presented in shooting preview picture is obtained according to the photographing instruction and background are bright
Angle value, including:
The institute of the maximum shooting personage of human face region in at least two shooting personage is obtained according to the photographing instruction
State face brightness value and the background value.
5. a kind of mobile terminal, which is characterized in that including:
Receiving module, the photographing instruction for receiving user's triggering;
Acquisition module, the face brightness value for obtaining the shooting personage presented in shooting preview picture according to the photographing instruction
And background value;
Judgment module, for judging whether to need to adjust the bat according to the face brightness value and/or the background value
Take the photograph the light exposure of personage;
Module is adjusted, if for judging to need to adjust the light exposure for shooting personage, adjusts the people of the shooting personage
Face brightness value and/or background value are to adjust the light exposure of the shooting personage, wherein the adjustment module includes that output is single
Member and receiving unit, the output unit is for exporting prompt message, to prompt the user to adjust the people of the shooting personage
Face brightness value and/or background value, wherein the exhibition method of the prompt message includes slider bar exhibition method, the cunning
Dynamic item is for carrying out brightness regulation;The receiving unit for respond shooting personage of the user in the shooting preview picture into
The frame in row region selects, and determines that the region chosen by way of frame choosing is the region for shooting personage and needing adjustment brightness value, and
The brightness in the region chosen described in the slip instruction adjustment of the slider bar is slided in response to user and adjusts the shooting personage's
Light exposure;
Taking module, for being shot to the shooting personage according to the light exposure of the shooting personage after adjustment.
6. mobile terminal as claimed in claim 5, which is characterized in that the judgment module is specifically used for judging that the face is bright
Whether angle value is less than predetermined luminance threshold value;
If judging, the face brightness value is less than the predetermined luminance threshold value, and the result judged is needs to adjust the shooting
The light exposure of personage;
If the adjustment module is specifically used for judging to need to adjust the light exposure of the shooting personage, the shooting personage is turned up
Face brightness value with promoted it is described shooting personage light exposure.
7. mobile terminal as claimed in claim 5, which is characterized in that the judgment module is specifically used for judging that the face is bright
Whether angle value is less than the background value;
If judging, the face brightness value is less than the background value, and the result judged is needs to adjust the shooting people
The light exposure of object;
If the adjustment module is specifically used for judging to need to adjust the light exposure of the shooting personage, the shooting personage is turned up
Face brightness value, and turn down the background value with promoted it is described shooting personage light exposure.
8. mobile terminal as claimed in claim 5, which is characterized in that shooting personage described in the shooting preview picture includes
At least two, the acquisition module is specifically used for obtaining face area in at least two shooting personage according to the photographing instruction
The face brightness value and the background value of the maximum shooting personage in domain.
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