CN105049726A - Mobile terminal shooting method and mobile terminal - Google Patents

Mobile terminal shooting method and mobile terminal Download PDF

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Publication number
CN105049726A
CN105049726A CN201510475192.6A CN201510475192A CN105049726A CN 105049726 A CN105049726 A CN 105049726A CN 201510475192 A CN201510475192 A CN 201510475192A CN 105049726 A CN105049726 A CN 105049726A
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China
Prior art keywords
shooting
exposure
personage
brightness value
value
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CN201510475192.6A
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Chinese (zh)
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CN105049726B (en
Inventor
李小朋
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广东欧珀移动通信有限公司
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Publication of CN105049726A publication Critical patent/CN105049726A/en
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Abstract

The embodiment of the invention discloses a mobile terminal shooting method and a mobile terminal. The method can comprise the following steps: receiving a shooting command triggered by a user; acquiring the face brightness value and background brightness value of a shot person presented in a shooting preview picture according to the shooting command; judging whether or not the exposure of the shot person needs to be adjusted according to the face brightness value and/or the background brightness value; if a judgment result indicates that the exposure of the shot person needs to be adjusted, adjusting the face brightness value/or the background brightness value of the shot person in order to adjust the exposure of the shot person; and shooting the shot person according to the adjusted exposure of the shot person. Through adoption of the mobile terminal shooting method and the mobile terminal, the face brightness value and the background brightness value of the shot person can be adjusted automatically in order to adjust the exposure of the shot person, so that a high-quality image can be shot.

Description

A kind of mobile terminal photographic method and mobile terminal

Technical field

The present invention relates to mobile terminal to take pictures field, particularly relate to a kind of mobile terminal photographic method and mobile terminal.

Background technology

Along with the variation of intelligent mobile terminal function, user is also more and more higher to the experience requirements of taking pictures, and the camera function of mobile terminal is more and more paid attention to.Along with popularizing of smart mobile phone, people often use the front-facing camera in smart mobile phone to autodyne, for the consideration of the aspect such as cost or technique, do not configure photoflash lamp in front-facing camera at present, therefore, user, when autodyning, needs to carry out in the reasonable situation of light, so just can take the image of relatively good quality.When user uses front-facing camera to autodyne, if the head portrait zonal ray of user is comparatively dark, and the background scenery that user is in is excessively bright, and shooting image out there will be over-exposed (i.e. overexposure) situation like this, causes picture quality poor.

Summary of the invention

Embodiment of the present invention technical problem to be solved is, a kind of mobile terminal photographic method and mobile terminal are provided, automatically face brightness value and the background value of shooting personage can be regulated, and then the exposure of adjustment shooting personage, the image of relatively good quality is shot with this.

First aspect, embodiments provides a kind of mobile terminal photographic method, comprising:

Receive the photographing instruction that user triggers;

Face brightness value and the background value of the shooting personage presented in shooting preview picture is obtained according to described photographing instruction;

The exposure needing to adjust described shooting personage is judged whether according to described face brightness value and/or described background value;

Need to adjust the exposure of described shooting personage if judge, then adjust the face brightness value of described shooting personage and/or background value to adjust the exposure of described shooting personage;

Exposure according to the described shooting personage after adjustment is taken described shooting personage.

In conjunction with first aspect, in the first possible implementation of first aspect, the described exposure judging whether to need to adjust described shooting personage according to described face brightness value and/or described background value, comprising:

Judge whether described face brightness value is less than predetermined luminance threshold value;

If judge, described face brightness value is less than described predetermined luminance threshold value, then the result judged is the exposure needing to adjust described shooting personage;

The face brightness value of described adjustment described shooting personage and/or background value, to adjust the exposure of described shooting personage, comprising:

Heighten the face brightness value of described shooting personage to promote the exposure of described shooting personage.

In conjunction with first aspect, in the implementation that the second of first aspect is possible, the described exposure judging whether to need to adjust described shooting personage according to described face brightness value and/or described background value, comprising:

Judge whether described face brightness value is less than described background value;

If judge, described face brightness value is less than described background value, then the result judged is the exposure needing to adjust described shooting personage;

The face brightness value of described adjustment described shooting personage and/or background value, to adjust the exposure of described shooting personage, comprising:

Heighten the face brightness value of described shooting personage, and turn down described background value to promote the exposure of described shooting personage.

In conjunction with first aspect, in the third possible implementation of first aspect, the face brightness value of described adjustment described shooting personage and/or background value, to adjust the exposure of described shooting personage, comprising:

Export information, the face brightness value adjusting described shooting personage to point out described user and/or background value;

What receive described user arranges instruction, arranges according to described the face brightness value that described shooting personage is heightened in instruction, turns down described background value to promote the exposure of described shooting personage.

In conjunction with first aspect, in the 4th kind of possible implementation of first aspect, take personage described in described shooting preview picture and comprise at least two, described face brightness value and the background value obtaining the shooting personage presented in shooting preview picture according to described photographing instruction, comprising:

The described face brightness value of a maximum shooting personage of human face region in personages and described background value is taken at least two described in obtaining according to described photographing instruction.

Second aspect, embodiments provides a kind of mobile terminal, comprising:

Receiver module, for receiving the photographing instruction that user triggers;

Acquisition module, for obtaining face brightness value and the background value of the shooting personage presented in shooting preview picture according to described photographing instruction;

Judge module, for judging whether the exposure needing to adjust described shooting personage according to described face brightness value and/or described background value;

Adjusting module, if for judging to need the exposure adjusting described shooting personage, then adjusts the face brightness value of described shooting personage and/or background value to adjust the exposure of described shooting personage;

Taking module, for taking described shooting personage according to the exposure of the described shooting personage after adjustment.

In conjunction with second aspect, in the first possible implementation of second aspect, described judge module is specifically for judging whether described face brightness value is less than predetermined luminance threshold value;

If judge, described face brightness value is less than described predetermined luminance threshold value, then the result judged is the exposure needing to adjust described shooting personage;

If described adjusting module is specifically for judging the exposure needing to adjust described shooting personage, heighten the face brightness value of described shooting personage to promote the exposure of described shooting personage.

In conjunction with second aspect, in the implementation that the second of second aspect is possible, described judge module is specifically for judging whether described face brightness value is less than described background value;

If judge, described face brightness value is less than described background value, then the result judged is the exposure needing to adjust described shooting personage;

If described adjusting module, specifically for judging the exposure needing to adjust described shooting personage, heightens the face brightness value of described shooting personage, and turn down described background value to promote the exposure of described shooting personage.

In conjunction with second aspect, in the third possible implementation of second aspect, described adjusting module comprises:

Output unit, for exporting information, the face brightness value adjusting described shooting personage to point out described user and/or background value;

Receiving element, arranges instruction for what receive described user, arranges according to described the face brightness value that described shooting personage is heightened in instruction, turns down described background value to promote the exposure of described shooting personage.

In conjunction with second aspect, in the 4th kind of possible implementation of second aspect, take personage described in described shooting preview picture and comprise at least two, described acquisition module is specifically for the described face brightness value of the maximum shooting personage of human face region at least two shooting personages described in obtaining according to described photographing instruction and described background value.

By implementing the embodiment of the present invention, face brightness value and the background value of personage is taken in acquisition for mobile terminal shooting preview picture, if detect, described face brightness value is lower than predetermined luminance threshold value, then heighten described face brightness value, if or detect that described face brightness value is lower than described background value, then heighten described face brightness value, and turn down described background value, promote the exposure of shooting personage with this.And user can independently be arranged, the face brightness value of adjustment shooting personage and background value, final mobile terminal is taken shooting personage according to the exposure of the shooting personage after adjustment, to make the exposure of shooting personage adjust, shoots the image of relatively good quality.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the schematic flow sheet of the first embodiment of the mobile terminal photographic method that the embodiment of the present invention provides;

Fig. 2 is the schematic flow sheet of the second embodiment of the mobile terminal photographic method that the embodiment of the present invention provides;

Fig. 3 is the schematic flow sheet of the 3rd embodiment of the mobile terminal photographic method that the embodiment of the present invention provides;

Fig. 4 is the interface schematic diagram of the shooting preview picture that the embodiment of the present invention provides;

Fig. 5 is the structural representation of the first embodiment of the mobile terminal that the embodiment of the present invention provides;

Fig. 6 is the structural representation of the adjusting module of the mobile terminal that the embodiment of the present invention provides;

Fig. 7 is the structural representation of the second embodiment of the mobile terminal that the embodiment of the present invention provides.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

It should be noted that, the term used in embodiments of the present invention is only for the object describing specific embodiment, and not intended to be limiting the present invention." one ", " described " and " being somebody's turn to do " of the singulative used in the embodiment of the present invention and appended claims is also intended to comprise most form, unless context clearly represents other implications.It is also understood that term "and/or" used herein refer to and comprise one or more project of listing of binding mutually any or all may combine.

Embodiments provide a kind of mobile terminal photographic method and mobile terminal, automatically can regulate face brightness value and the background value of shooting personage, and then the exposure of adjustment shooting personage, the image of relatively good quality is shot with this.For the ease of understanding the embodiment of the present invention, first the mobile terminal photographic method of the embodiment of the present invention is described below.

Refer to Fig. 1, be the schematic flow sheet of the first embodiment of the mobile terminal photographic method that the embodiment of the present invention provides, the mobile terminal photographic method of the embodiment of the present invention can include but not limited to following steps.

S101, receives the photographing instruction that user triggers.

In the embodiment of the present invention, mobile terminal receives the photographing instruction that user triggers, thus performs process of taking pictures.Described mobile terminal shows shooting preview picture, shows face and the background of shooting personage in described shooting preview picture.Particularly, described photographing instruction can be the auto heterodyne instruction of the front-facing camera for described mobile terminal, when described mobile terminal receives described auto heterodyne instruction, described mobile terminal shows described shooting preview picture, shows face and the background of shooting personage in described shooting preview picture.Wherein, described mobile terminal can include but not limited to: smart mobile phone (as Android phone, iOS mobile phone etc.), mobile internet device (MID, MobileInternetDevices) or wearable intelligent equipment etc. possess the mobile device of camera function.Such as, when user uses the camera function on mobile terminal to take pictures, then by take pictures button or the imaging icon in touching terminal, described photographing instruction is sent to described mobile terminal.

S103, obtains face brightness value and the background value of the shooting personage presented in shooting preview picture according to described photographing instruction.

In the embodiment of the present invention, described mobile terminal obtains face brightness value and the background value of the shooting personage presented in described shooting preview picture according to described photographing instruction, wherein, face and the background of described shooting personage is shown in described shooting preview picture, described face can be collected by face recognition technology by described mobile terminal, described background is the external environment residing when taking pictures of user, comprises other regions except described face in described shooting preview picture.The size of described face brightness value depends on the power for extraneous light, and when extraneous light is stronger, then described face brightness value is larger; When extraneous light is more weak, then described face brightness value is less.The size of described background value depends on background color and/or light intensity.Such as, when the size of described background value depends on background color, when background color is cool tone, then background value is less; When background color is warm tones, then background value is larger.

Further, if take personage described in described shooting preview picture to comprise at least two, described in described mobile terminal obtains according to described photographing instruction, take the described face brightness value of a maximum shooting personage of human face region in personages and described background value at least two.With the region of maximum this face of the human face region detected for photometry region, main body exposure can be ensured so accurately.

S105, judges whether the exposure needing to adjust described shooting personage according to described face brightness value and/or described background value.

In the embodiment of the present invention, the described face brightness value that described mobile terminal root gets and/or described background value judge whether to need the exposure to described shooting personage to adjust, the exposure adjusting described shooting personage is needed if judge, the then exposure of described mobile terminal adjustment described shooting personage, do not need the exposure adjusting described shooting personage if judge, then described mobile terminal does not adjust the exposure of described shooting personage.

Particularly, described mobile terminal judges whether to need to adjust the described judgment mode taking the exposure of personage and can be: judge whether described face brightness value is less than predetermined luminance threshold value.If judge, described face brightness value is less than described predetermined luminance threshold value, then the result judged is the exposure needing to adjust described shooting personage; If judge, described face brightness value is more than or equal to described predetermined luminance threshold value, then the result judged is the exposure not needing to adjust described shooting personage.Described mobile terminal judges whether to need to adjust the described judgment mode taking the exposure of personage: judge whether described face brightness value is less than described background value.If judge, described face brightness value is less than described background value, then the result judged is the exposure needing to adjust described shooting personage; If judge, described face brightness value is more than or equal to described background value, then the result judged is the exposure not needing to adjust described shooting personage.But, be understandable that, the above-mentioned judgment mode judging whether to need the exposure adjusting described shooting personage according to described face brightness value and/or described background value just wherein two kinds of forms, not in order to limit the present invention, as can also by as described in shooting preview picture the definition of image judge under current photo environment the need of the described exposure of taking personage of adjustment, if the definition of image is not high, then the result judged is the exposure needing to adjust described shooting personage; If the definition of image is high, then the result judged is the exposure not needing to adjust described shooting personage.

S107, needs to adjust the exposure of described shooting personage if judge, then adjust the face brightness value of described shooting personage and/or background value to adjust the exposure of described shooting personage.

In the embodiment of the present invention, if described mobile terminal judges the exposure needing to adjust described shooting personage, then adjust the described shooting face brightness value of personage and/or background value to adjust the exposure of described shooting personage, to ensure the image shooting relatively good quality.

Particularly, the described adjustment described shooting face brightness value of personage and/or background value to adjust the adjustment mode of the exposure of described shooting personage can be: heighten the face brightness value of described shooting personage to promote the exposure of described shooting personage, or the face brightness value turning down described shooting personage is to reduce the exposure of described shooting personage.The face brightness value of described adjustment described shooting personage and/or background value to adjust the adjustment mode of the exposure of described shooting personage can also be: the face brightness value heightening described shooting personage, and turn down described background value to promote the exposure of described shooting personage, or turn down the face brightness value of described shooting personage, and heighten described background value to reduce the exposure of described shooting personage.But, be understandable that, the above-mentioned adjustment described shooting face brightness value of personage and/or background value with the adjustment mode adjusting the exposure of described shooting personage just wherein two kinds of forms, not in order to limit the present invention.

S109, the exposure according to the described shooting personage after adjustment is taken described shooting personage.

In the embodiment of the present invention, when described mobile terminal have adjusted face brightness value and/or the background value of described shooting personage, thus after have adjusted the exposure of described shooting personage, adopt the exposure of the described shooting personage after adjustment to take described shooting personage, shooting picture quality is out better like this.

In the embodiment of the present invention, face brightness value and the background value of personage is taken in acquisition for mobile terminal shooting preview picture, the exposure needing to adjust described shooting personage is judged whether according to described face brightness value and background value, if desired adjust, then the face brightness value of described mobile terminal adjustment described shooting personage and/or background value are to adjust the exposure of described shooting personage, and then adopt the exposure of the described shooting personage after adjustment to take described shooting personage, to shoot the good image of quality.

Refer to Fig. 2, be the schematic flow sheet of the second embodiment of the mobile terminal photographic method that the embodiment of the present invention provides, the mobile terminal photographic method of the embodiment of the present invention can include but not limited to following steps.

S201, receives the photographing instruction that user triggers.

In the embodiment of the present invention, mobile terminal receives the photographing instruction that user triggers, thus performs process of taking pictures.Described mobile terminal shows shooting preview picture, shows face and the background of shooting personage in described shooting preview picture.Particularly, described photographing instruction can be the auto heterodyne instruction of the front-facing camera for described mobile terminal, when described mobile terminal receives described auto heterodyne instruction, described mobile terminal shows described shooting preview picture, shows face and the background of shooting personage in described shooting preview picture.Wherein, described mobile terminal can include but not limited to: smart mobile phone (as Android phone, iOS mobile phone etc.), mobile internet device (MID, MobileInternetDevices) or wearable intelligent equipment etc. possess the mobile device of camera function.Such as, when user uses the camera function on mobile terminal to take pictures, then by take pictures button or the imaging icon in touching terminal, described photographing instruction is sent to described mobile terminal.

S203, obtains face brightness value and the background value of the shooting personage presented in shooting preview picture according to described photographing instruction.

In the embodiment of the present invention, described mobile terminal obtains face brightness value and the background value of the shooting personage presented in described shooting preview picture according to described photographing instruction, wherein, face and the background of described shooting personage is shown in described shooting preview picture, described face can be collected by face recognition technology by described mobile terminal, described background is the external environment residing when taking pictures of user, comprises other regions except described face in described shooting preview picture.The size of described face brightness value depends on the power for extraneous light, and when extraneous light is stronger, then described face brightness value is larger; When extraneous light is more weak, then described face brightness value is less.The size of described background value depends on background color and/or light intensity.Such as, when the size of described background value depends on background color, when background color is cool tone, then background value is less; When background color is warm tones, then background value is larger.

Further, if take personage described in described shooting preview picture to comprise at least two, described in described mobile terminal obtains according to described photographing instruction, take the described face brightness value of a maximum shooting personage of human face region in personages and described background value at least two.With the region of maximum this face of the human face region detected for photometry region, main body exposure can be ensured so accurately.

S205, judges whether described face brightness value is less than described background value.

In the embodiment of the present invention, described mobile terminal judges whether the face brightness value of described shooting personage is less than described background value, if judge, described face brightness value is less than described background value, perform step S207, if judge, described face brightness value is greater than or equal to described background value, process ends.

S207, heightens the face brightness value of described shooting personage, and turns down described background value to promote the exposure of described shooting personage.

In the embodiment of the present invention, if described mobile terminal judges that described face brightness value is less than described background value, then described mobile terminal is in order to realize good shooting effect, need the face brightness value heightening described shooting personage, and turn down described background value, to guarantee that the face brightness value of described shooting personage is greater than or equal to described background value, and then promote the exposure of described shooting personage, to ensure the image shooting relatively good quality.

S209, the exposure according to the described shooting personage after adjustment is taken described shooting personage.

In the embodiment of the present invention, when described mobile terminal have adjusted face brightness value and/or the background value of described shooting personage, thus after have adjusted the exposure of described shooting personage, adopt the exposure of the described shooting personage after adjustment to take described shooting personage, shooting picture quality is out better like this.

Refer to Fig. 3, be the schematic flow sheet of the 3rd embodiment of the mobile terminal photographic method that the embodiment of the present invention provides, the mobile terminal photographic method of the embodiment of the present invention can include but not limited to following steps.

S301, receives the photographing instruction that user triggers.

In the embodiment of the present invention, mobile terminal receives the photographing instruction that user triggers, thus performs process of taking pictures.Described mobile terminal shows shooting preview picture, shows face and the background of shooting personage in described shooting preview picture.Particularly, described photographing instruction can be the auto heterodyne instruction of the front-facing camera for described mobile terminal, when described mobile terminal receives described auto heterodyne instruction, described mobile terminal shows described shooting preview picture, shows face and the background of shooting personage in described shooting preview picture.Wherein, described mobile terminal can include but not limited to: smart mobile phone (as Android phone, iOS mobile phone etc.), mobile internet device (MID, MobileInternetDevices) or wearable intelligent equipment etc. possess the mobile device of camera function.Such as, when user uses the camera function on mobile terminal to take pictures, then by take pictures button or the imaging icon in touching terminal, described photographing instruction is sent to described mobile terminal.

S303, obtains face brightness value and the background value of the shooting personage presented in shooting preview picture according to described photographing instruction.

In the embodiment of the present invention, described mobile terminal obtains face brightness value and the background value of the shooting personage presented in described shooting preview picture according to described photographing instruction, wherein, face and the background of described shooting personage is shown in described shooting preview picture, described face can be collected by face recognition technology by described mobile terminal, described background is the external environment residing when taking pictures of user, comprises other regions except described face in described shooting preview picture.The size of described face brightness value depends on the power for extraneous light, and when extraneous light is stronger, then described face brightness value is larger; When extraneous light is more weak, then described face brightness value is less.The size of described background value depends on background color and/or light intensity.Such as, when the size of described background value depends on background color, when background color is cool tone, then background value is less; When background color is warm tones, then background value is larger.

Further, if take personage described in described shooting preview picture to comprise at least two, described in described mobile terminal obtains according to described photographing instruction, take the described face brightness value of a maximum shooting personage of human face region in personages and described background value at least two.With the region of maximum this face of the human face region detected for photometry region, main body exposure can be ensured so accurately.

S305, judges whether the exposure needing to adjust described shooting personage according to described face brightness value and/or described background value.

In the embodiment of the present invention, the described face brightness value that described mobile terminal root gets and/or described background value judge whether to need the exposure to described shooting personage to adjust, the exposure adjusting described shooting personage is needed if judge, the then exposure of described mobile terminal adjustment described shooting personage, do not need the exposure adjusting described shooting personage if judge, then described mobile terminal does not adjust the exposure of described shooting personage.Need the exposure adjusting described shooting personage if judge, enter step S307, otherwise process ends.

Particularly, described mobile terminal judges whether to need to adjust the described judgment mode taking the exposure of personage and can be: judge whether described face brightness value is less than predetermined luminance threshold value.If judge, described face brightness value is less than described predetermined luminance threshold value, then the result judged is the exposure needing to adjust described shooting personage; If judge, described face brightness value is more than or equal to described predetermined luminance threshold value, then the result judged is the exposure not needing to adjust described shooting personage.Described mobile terminal judges whether to need to adjust the described judgment mode taking the exposure of personage: judge whether described face brightness value is less than described background value.If judge, described face brightness value is less than described background value, then the result judged is the exposure needing to adjust described shooting personage; If judge, described face brightness value is more than or equal to described background value, then the result judged is the exposure not needing to adjust described shooting personage.But, be understandable that, the above-mentioned judgment mode judging whether to need the exposure adjusting described shooting personage according to described face brightness value and/or described background value just wherein two kinds of forms, not in order to limit the present invention, as can also by as described in shooting preview picture the definition of image judge under current photo environment the need of the described exposure of taking personage of adjustment, if the definition of image is not high, then the result judged is the exposure needing to adjust described shooting personage; If the definition of image is high, then the result judged is the exposure not needing to adjust described shooting personage.

S307, exports information, the face brightness value adjusting described shooting personage to point out described user and/or background value.

In the embodiment of the present invention, if described mobile terminal judges the exposure needing to adjust described shooting personage, described mobile terminal exports information in described shooting preview picture, adjusts in described shooting preview picture to point out described user to the face brightness value of described shooting personage and/or background value.Particularly, the exhibition method of described information can be slider bar exhibition method, also can be text prompt mode, or the exhibition method that slider bar combines with file, and the embodiment of the present invention does not do concrete restriction.Wherein, described slider bar can carry out brightness regulation, described user can carry out the frame choosing in region in described shooting preview picture, the region that the mode selected by frame is chosen is the region needing to adjust brightness value, described user slides described slider bar to carry out from main regulation the brightness in described region, and the exhibition method of described frame choosing can be any geometric figure.Such as, when user autodynes, mobile terminal detects the exposure needing to adjust described shooting personage, then described mobile terminal shows described slider bar in described shooting preview picture, if described user wants to give prominence to face when autodyning, can by the mode face making region of rectangle frame, the described slider bar that slides is bright to be carried out by human face region drawing.Particularly, can be shown in Figure 4, it is the interface schematic diagram of the shooting preview picture that the embodiment of the present invention provides, wherein, the rectangle frame of mark 401 represents that the brightness of this background area can regulate, mark 403 is described slider bar, mark 405 is human face region, after described mobile terminal receives the photographing instruction of described user, detect that face brightness value is lower than background value, in order to avoid taking over-exposed image, described mobile terminal output character information, prompting user carries out brightness regulation, user is by the described slider bar that slides, the background area brightness of 401 is dragged down, the brightness of face can be given prominence to like this and ignore the brightness of scenery below, to avoid image overexposure, and user can independently regulate face brightness value and background value as required, to meet the demand of different user, this mode is more suitable for the auto heterodyne in scenic spot, very practical.It should be noted that, the embodiment of the present invention be with described mobile terminal after receiving photographing instruction, and the described information exported after judging to need to adjust exposure, in some other executable scheme, user, before triggering photographing instruction, in described shooting preview picture, also independently can adjust described face brightness value and described background value, thus realize different shooting effects, the shooting demand of different user is met with this.

S309, what receive described user arranges instruction, arranges according to described the face brightness value that described shooting personage is heightened in instruction, turns down described background value to promote the exposure of described shooting personage.

In the embodiment of the present invention, what described mobile terminal received that described user inputs in described shooting preview picture arranges instruction, arranges instruction and heightens face brightness value, turn down described background value to promote the exposure of described shooting personage according to described.Particularly, if described prompting mode is slider bar mode, describedly instruction is set is slip instruction for described slider bar, described mobile terminal heightens the face brightness value of described shooting personage according to the slide amplitude of described slider bar of described user, turns down described background value to promote the exposure of described shooting personage.The embodiment of the present invention heightens the face brightness value of described shooting personage, turn down the explanation that described background value is done for the exposure promoting described shooting personage, in some other executable scheme, described mobile terminal also can turn down the described face brightness value taking personage according to the instruction that arranges of described user, heightens described background value to reduce the exposure of described shooting personage.The shooting demand of different user is met with this.

S311, the exposure according to the described shooting personage after adjustment is taken described shooting personage.

In the embodiment of the present invention, when described mobile terminal have adjusted face brightness value and/or the background value of described shooting personage, thus after have adjusted the exposure of described shooting personage, adopt the exposure of the described shooting personage after adjustment to take described shooting personage, shooting picture quality is out better like this.

The above-mentioned method illustrating the embodiment of the present invention, below for the ease of implementing the such scheme of the embodiment of the present invention better, correspondingly, is also provided for coordinating the associated terminal implementing such scheme below.

Refer to Fig. 5, be the structural representation of the first embodiment of the mobile terminal that the embodiment of the present invention provides, mobile terminal 50 comprises: receiver module 501, acquisition module 503, judge module 505, adjusting module 507 and taking module 509, wherein,

Receiver module 501, for receiving the photographing instruction that user triggers.

Acquisition module 503, for obtaining face brightness value and the background value of the shooting personage presented in shooting preview picture according to described photographing instruction.

Further, if take personage described in described shooting preview picture to comprise at least two, acquisition module 503 is specifically for the described face brightness value of the maximum shooting personage of human face region at least two shooting personages described in obtaining according to described photographing instruction and described background value.

Judge module 505, for judging whether the exposure needing to adjust described shooting personage according to described face brightness value and/or described background value.

Further, judge module 505 is specifically for judging whether described face brightness value is less than predetermined luminance threshold value;

If judge, described face brightness value is less than described predetermined luminance threshold value, then the result judged is the exposure needing to adjust described shooting personage.

Further, judge module 505 is specifically for judging whether described face brightness value is less than described background value;

If judge, described face brightness value is less than described background value, then the result judged is the exposure needing to adjust described shooting personage.

Adjusting module 507, if for judging to need the exposure adjusting described shooting personage, then adjusts the face brightness value of described shooting personage and/or background value to adjust the exposure of described shooting personage.

Further, if adjusting module 507 is specifically for judging the exposure needing to adjust described shooting personage, the face brightness value of described shooting personage is heightened to promote the exposure of described shooting personage.

Further, if adjusting module 507 is specifically for judging the exposure needing to adjust described shooting personage, heighten the face brightness value of described shooting personage, and turn down described background value to promote the exposure of described shooting personage.

Taking module 509, for taking described shooting personage according to the exposure of the described shooting personage after adjustment.

Will be understood that, the function of each functional unit of the mobile terminal 50 of the present embodiment according to the method specific implementation of above-mentioned Fig. 1 or Fig. 2 embodiment of the method, can repeat no more herein.

Further, referring to Fig. 6, is the structural representation of the adjusting module 507 of the mobile terminal that the embodiment of the present invention provides.This adjusting module 507 comprises: output unit 5071 and receiving element 5073, wherein,

Output unit 5071, for exporting information, the face brightness value adjusting described shooting personage to point out described user and/or background value.

Receiving element 5073, arranges instruction for what receive described user, arranges according to described the face brightness value that described shooting personage is heightened in instruction, turns down described background value to promote the exposure of described shooting personage.

Will be understood that, the function of each functional unit of the adjusting module 507 of the present embodiment according to the method specific implementation of above-mentioned Fig. 3 embodiment of the method, can repeat no more herein.

Referring to Fig. 7, is the structural representation of the second embodiment of mobile terminal provided by the invention.Wherein, as shown in Figure 7, mobile terminal 70 can comprise: at least one processor 701, such as CPU, at least one bus 702, at least one input unit 703 and at least one output device 704, memory 705.Wherein, bus 702 is for realizing the communication connection between these assemblies; Input unit 703 specifically can be the contact panel of terminal, comprises touch-screen and touch screen, the operational order on sense terminals contact panel; Output device 704 can comprise the display screen (Display) of terminal, for exporting, showing image or data; Memory 705 can be high-speed RAM display, also can be non-labile display (non-volatilememory), such as at least one disk display, memory 705 can also be optionally that at least one is positioned at the display unit away from aforementioned processor 701.As shown in Figure 7, operating system, network communication module, Subscriber Interface Module SIM and program of taking pictures can be comprised in the memory 705 as a kind of Computer display medium.

In the mobile terminal 70 shown in Fig. 7, processor 701 may be used for the program of taking pictures stored in run memory 705, and performs following operation:

The photographing instruction of user's triggering is received by input unit 703;

Face brightness value and the background value of the shooting personage presented in shooting preview picture is obtained according to described photographing instruction;

The exposure needing to adjust described shooting personage is judged whether according to described face brightness value and/or described background value;

Need to adjust the exposure of described shooting personage if judge, then adjust the face brightness value of described shooting personage and/or background value to adjust the exposure of described shooting personage;

Exposure according to the described shooting personage after adjustment is taken described shooting personage.

Further, processor 701 performs the described step judging whether to need to adjust the exposure of described shooting personage according to described face brightness value and/or described background value and is specially:

Judge whether described face brightness value is less than predetermined luminance threshold value;

If judge, described face brightness value is less than described predetermined luminance threshold value, then the result judged is the exposure needing to adjust described shooting personage;

Processor 701 performs the described adjustment described shooting face brightness value of personage and/or background value is specially with the step of the exposure adjusting described shooting personage:

Heighten the face brightness value of described shooting personage to promote the exposure of described shooting personage.

Further, processor 701 performs the described step judging whether to need to adjust the exposure of described shooting personage according to described face brightness value and/or described background value and is specially: judge whether described face brightness value is less than described background value;

If judge, described face brightness value is less than described background value, then the result judged is the exposure needing to adjust described shooting personage;

Processor 701 performs the described adjustment described shooting face brightness value of personage and/or background value is specially with the step of the exposure adjusting described shooting personage:

Heighten the face brightness value of described shooting personage, and turn down described background value to promote the exposure of described shooting personage.

Further, processor 701 performs the described adjustment described shooting face brightness value of personage and/or background value specifically comprises with the step of the exposure adjusting described shooting personage:

Export information, the face brightness value adjusting described shooting personage to point out described user and/or background value;

What receive described user arranges instruction, arranges according to described the face brightness value that described shooting personage is heightened in instruction, turns down described background value to promote the exposure of described shooting personage.

Further, take personage and comprise at least two described in described shooting preview picture, processor 701 performs and describedly obtains according to described photographing instruction the face brightness value of shooting personage that presents in shooting preview picture and the step of background value is specially:

The described face brightness value of a maximum shooting personage of human face region in personages and described background value is taken at least two described in obtaining according to described photographing instruction.

Will be understood that, the execution step of processor 701 specifically see the content described in Fig. 1 or Fig. 2 or Fig. 3 embodiment, can repeat no more here.

It should be noted that, above-mentioned mobile terminal can include but not limited to: smart mobile phone (as Android phone, iOS mobile phone etc.), mobile internet device (MID, MobileInternetDevices) or wearable intelligent equipment etc. possess the mobile device of camera function.

In sum, by implementing the embodiment of the present invention, face brightness value and the background value of personage is taken in acquisition for mobile terminal shooting preview picture, if detect, described face brightness value is lower than predetermined luminance threshold value, then heighten described face brightness value, if or detect that described face brightness value is lower than described background value, then heighten described face brightness value, and turn down described background value, the exposure of shooting personage is promoted with this.And user can independently be arranged, the face brightness value of adjustment shooting personage and background value, final mobile terminal is taken shooting personage according to the exposure of the shooting personage after adjustment, to make the exposure of shooting personage adjust, shoots the image of relatively good quality.

One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.

Above disclosedly be only a kind of preferred embodiment of the present invention, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are done, still belong to the scope that invention is contained.

Claims (10)

1. a mobile terminal photographic method, is characterized in that, comprising:
Receive the photographing instruction that user triggers;
Face brightness value and the background value of the shooting personage presented in shooting preview picture is obtained according to described photographing instruction;
The exposure needing to adjust described shooting personage is judged whether according to described face brightness value and/or described background value;
Need to adjust the exposure of described shooting personage if judge, then adjust the face brightness value of described shooting personage and/or background value to adjust the exposure of described shooting personage;
Exposure according to the described shooting personage after adjustment is taken described shooting personage.
2. the method for claim 1, is characterized in that, the described exposure judging whether to need to adjust described shooting personage according to described face brightness value and/or described background value, comprising:
Judge whether described face brightness value is less than predetermined luminance threshold value;
If judge, described face brightness value is less than described predetermined luminance threshold value, then the result judged is the exposure needing to adjust described shooting personage;
The face brightness value of described adjustment described shooting personage and/or background value, to adjust the exposure of described shooting personage, comprising:
Heighten the face brightness value of described shooting personage to promote the exposure of described shooting personage.
3. the method for claim 1, is characterized in that, the described exposure judging whether to need to adjust described shooting personage according to described face brightness value and/or described background value, comprising:
Judge whether described face brightness value is less than described background value;
If judge, described face brightness value is less than described background value, then the result judged is the exposure needing to adjust described shooting personage;
The face brightness value of described adjustment described shooting personage and/or background value, to adjust the exposure of described shooting personage, comprising:
Heighten the face brightness value of described shooting personage, and turn down described background value to promote the exposure of described shooting personage.
4. the method for claim 1, is characterized in that, the face brightness value of described adjustment described shooting personage and/or background value, to adjust the exposure of described shooting personage, comprising:
Export information, the face brightness value adjusting described shooting personage to point out described user and/or background value;
What receive described user arranges instruction, arranges according to described the face brightness value that described shooting personage is heightened in instruction, turns down described background value to promote the exposure of described shooting personage.
5. the method for claim 1, it is characterized in that, take personage described in described shooting preview picture and comprise at least two, described face brightness value and the background value obtaining the shooting personage presented in shooting preview picture according to described photographing instruction, comprising:
The described face brightness value of a maximum shooting personage of human face region in personages and described background value is taken at least two described in obtaining according to described photographing instruction.
6. a mobile terminal, is characterized in that, comprising:
Receiver module, for receiving the photographing instruction that user triggers;
Acquisition module, for obtaining face brightness value and the background value of the shooting personage presented in shooting preview picture according to described photographing instruction;
Judge module, for judging whether the exposure needing to adjust described shooting personage according to described face brightness value and/or described background value;
Adjusting module, if for judging to need the exposure adjusting described shooting personage, then adjusts the face brightness value of described shooting personage and/or background value to adjust the exposure of described shooting personage;
Taking module, for taking described shooting personage according to the exposure of the described shooting personage after adjustment.
7. mobile terminal as claimed in claim 6, it is characterized in that, described judge module is specifically for judging whether described face brightness value is less than predetermined luminance threshold value;
If judge, described face brightness value is less than described predetermined luminance threshold value, then the result judged is the exposure needing to adjust described shooting personage;
If described adjusting module is specifically for judging the exposure needing to adjust described shooting personage, heighten the face brightness value of described shooting personage to promote the exposure of described shooting personage.
8. mobile terminal as claimed in claim 6, it is characterized in that, described judge module is specifically for judging whether described face brightness value is less than described background value;
If judge, described face brightness value is less than described background value, then the result judged is the exposure needing to adjust described shooting personage;
If described adjusting module, specifically for judging the exposure needing to adjust described shooting personage, heightens the face brightness value of described shooting personage, and turn down described background value to promote the exposure of described shooting personage.
9. mobile terminal as claimed in claim 6, it is characterized in that, described adjusting module comprises:
Output unit, for exporting information, the face brightness value adjusting described shooting personage to point out described user and/or background value;
Receiving element, arranges instruction for what receive described user, arranges according to described the face brightness value that described shooting personage is heightened in instruction, turns down described background value to promote the exposure of described shooting personage.
10. mobile terminal as claimed in claim 6, it is characterized in that, take personage described in described shooting preview picture and comprise at least two, described acquisition module is specifically for the described face brightness value of the maximum shooting personage of human face region at least two shooting personages described in obtaining according to described photographing instruction and described background value.
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CN108174088A (en) * 2017-12-26 2018-06-15 上海展扬通信技术有限公司 A kind of brightness adjusting method, device, terminal and computer readable storage medium
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